diff options
Diffstat (limited to 'src')
146 files changed, 4675 insertions, 0 deletions
diff --git a/src/include/grp.h b/src/include/grp.h new file mode 100644 index 0000000..4516a19 --- /dev/null +++ b/src/include/grp.h @@ -0,0 +1,27 @@ +/* ISC license. */ + +/* + This file is part of the nsss package. + See https://skarnet.org/software/nsss/ +*/ + +#ifndef GRP_H +#define GRP_H + +#include <nsss/grp.h> + +#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) +#include <sys/types.h> +extern int getgrouplist (char const *, gid_t, gid_t *, int *) ; +extern int setgroups (size_t, gid_t const *) ; +extern int initgroups (char const *, gid_t) ; +#endif + +#ifdef _GNU_SOURCE +#include <stdio.h> +extern struct group *fgetgrent (FILE *) ; +extern int fgetgrent_r (FILE *, struct group *, char *, size_t, struct group **) ; +extern int putgrent (struct group const *, FILE *) ; +#endif + +#endif diff --git a/src/include/nsss/grp-all.h b/src/include/nsss/grp-all.h new file mode 100644 index 0000000..54ea213 --- /dev/null +++ b/src/include/nsss/grp-all.h @@ -0,0 +1,20 @@ +/* ISC license. */ + +#ifndef NSSS_GRP_ALL_H +#define NSSS_GRP_ALL_H + +#include <nsss/grp-def.h> + +/* switch then fallback on unix */ + +extern void nsss_all_setgrent (void) ; +extern struct group *nsss_all_getgrent (void) ; +extern int nsss_all_getgrent_r (struct group *, char *, size_t, struct group **) ; +extern void nsss_all_endgrent (void) ; + +extern struct group *nsss_all_getgrgid (gid_t) ; +extern struct group *nsss_all_getgrnam (char const *) ; +extern int nsss_all_getgrgid_r (gid_t, struct group *, char *, size_t, struct group **) ; +extern int nsss_all_getgrnam_r (char const *, struct group *, char *, size_t, struct group **) ; + +#endif diff --git a/src/include/nsss/grp-def.h b/src/include/nsss/grp-def.h new file mode 100644 index 0000000..0a6db50 --- /dev/null +++ b/src/include/nsss/grp-def.h @@ -0,0 +1,16 @@ +/* ISC license. */ + +#ifndef NSSS_GRP_DEF_H +#define NSSS_GRP_DEF_H + +#include <sys/types.h> + +struct group +{ + char *gr_name ; + char *gr_passwd ; + gid_t gr_gid ; + char **gr_mem ; +} ; + +#endif diff --git a/src/include/nsss/grp-switch.h b/src/include/nsss/grp-switch.h new file mode 100644 index 0000000..6a9ba10 --- /dev/null +++ b/src/include/nsss/grp-switch.h @@ -0,0 +1,20 @@ +/* ISC license. */ + +#ifndef NSSS_GRP_SWITCH_H +#define NSSS_GRP_SWITCH_H + +#include <nsss/grp-def.h> + + /* Group functions contacting the nsssd daemon */ + +extern void nsss_switch_setgrent (void) ; +extern struct group *nsss_switch_getgrent (void) ; +extern int nsss_switch_getgrent_r (struct group *, char *, size_t, struct group **) ; +extern void nsss_switch_endgrent (void) ; + +extern struct group *nsss_switch_getgrgid (gid_t) ; +extern struct group *nsss_switch_getgrnam (char const *) ; +extern int nsss_switch_getgrgid_r (gid_t, struct group *, char *, size_t, struct group **) ; +extern int nsss_switch_getgrnam_r (char const *, struct group *, char *, size_t, struct group **) ; + +#endif diff --git a/src/include/nsss/grp-unix.h b/src/include/nsss/grp-unix.h new file mode 100644 index 0000000..fe089f1 --- /dev/null +++ b/src/include/nsss/grp-unix.h @@ -0,0 +1,20 @@ +/* ISC license. */ + +#ifndef NSSS_GRP_UNIX_H +#define NSSS_GRP_UNIX_H + +#include <nsss/grp-def.h> + + /* /etc/group backend */ + +extern void nsss_unix_setgrent (void) ; +extern struct group *nsss_unix_getgrent (void) ; +extern int nsss_unix_getgrent_r (struct group *, char *, size_t, struct group **) ; +extern void nsss_unix_endgrent (void) ; + +extern struct group *nsss_unix_getgrgid (gid_t) ; +extern struct group *nsss_unix_getgrnam (char const *) ; +extern int nsss_unix_getgrgid_r (gid_t, struct group *, char *, size_t, struct group **) ; +extern int nsss_unix_getgrnam_r (char const *, struct group *, char *, size_t, struct group **) ; + +#endif diff --git a/src/include/nsss/grp.h b/src/include/nsss/grp.h new file mode 100644 index 0000000..ea963b6 --- /dev/null +++ b/src/include/nsss/grp.h @@ -0,0 +1,58 @@ +/* ISC license. */ + +#ifndef NSSS_GRP_H +#define NSSS_GRP_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef NSSS_DISABLE_SWITCH + +#include <nsss/grp-unix.h> + +#define setgrent nsss_unix_setgrent +#define getgrent nsss_unix_getgrent +#define getgrent_r nsss_unix_getgrent_r +#define endgrent nsss_unix_endgrent +#define getgrgid nsss_unix_getgrgid +#define getgrgid_r nsss_unix_getgrgid_r +#define getgrnam nsss_unix_getgrnam +#define getgrnam_r nsss_unix_getgrnam_r + +#else +#ifdef NSSS_DISABLE_UNIX + +#include <nsss/grp-switch.h> + +#define setgrent nsss_switch_setgrent +#define getgrent nsss_switch_getgrent +#define getgrent_r nsss_switch_getgrent_r +#define endgrent nsss_switch_endgrent +#define getgrgid nsss_switch_getgrgid +#define getgrgid_r nsss_switch_getgrgid_r +#define getgrnam nsss_switch_getgrnam +#define getgrnam_r nsss_switch_getgrnam_r + +#else + +#include <nsss/grp-all.h> + +#define setgrent nsss_all_setgrent +#define getgrent nsss_all_getgrent +#define getgrent_r nsss_all_getgrent_r +#define endgrent nsss_all_endgrent +#define getgrgid nsss_all_getgrgid +#define getgrgid_r nsss_all_getgrgid_r +#define getgrnam nsss_all_getgrnam +#define getgrnam_r nsss_all_getgrnam_r + +#endif +#endif + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/include/nsss/nsss-all.h b/src/include/nsss/nsss-all.h new file mode 100644 index 0000000..4530e97 --- /dev/null +++ b/src/include/nsss/nsss-all.h @@ -0,0 +1,10 @@ +/* ISC license. */ + +#ifndef NSSS_ALL_H +#define NSSS_ALL_H + +#include <nsss/pwd-all.h> +#include <nsss/grp-all.h> +#include <nsss/shadow-all.h> + +#endif diff --git a/src/include/nsss/nsss-switch.h b/src/include/nsss/nsss-switch.h new file mode 100644 index 0000000..1bfe50f --- /dev/null +++ b/src/include/nsss/nsss-switch.h @@ -0,0 +1,93 @@ +/* ISC license. */ + +#ifndef NSSS_SWITCH_H +#define NSSS_SWITCH_H + +#include <sys/types.h> +#include <limits.h> +#include <skalibs/tai.h> +#include <skalibs/buffer.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/pwd-switch.h> +#include <nsss/grp-switch.h> +#include <nsss/shadow-switch.h> + +#define NSSS_SWITCH_BUFSIZE 4096 +#define NSSS_SWITCH_NAME_MAXLEN LOGIN_NAME_MAX + +typedef struct nsss_switch_s nsss_switch_t, *nsss_switch_t_ref ; +struct nsss_switch_s +{ + unsigned int held ; + buffer b ; + char buf[NSSS_SWITCH_BUFSIZE] ; +} ; +#define NSSS_SWITCH_ZERO { .held = 0, .b = BUFFER_ZERO } + +#define NSSS_SWITCH_PWD 0 +#define NSSS_SWITCH_GRP 1 +#define NSSS_SWITCH_SHADOW 2 + +extern int nsss_switch_start (nsss_switch_t *, unsigned int, char const *, tain_t const *, tain_t *) ; +#define nsss_switch_start_g(a, what, s, deadline) nsss_switch_start(a, what, s, (deadline), &STAMP) +extern void nsss_switch_end (nsss_switch_t *, unsigned int) ; + + + /* Password */ + +#define NSSS_SWITCH_PWD_END '\0' +#define NSSS_SWITCH_PWD_REWIND '\001' +#define NSSS_SWITCH_PWD_GET '\002' +#define NSSS_SWITCH_PWD_GETBYNAME '\003' +#define NSSS_SWITCH_PWD_GETBYUID '\004' + +extern int nsss_switch_pwd_end (nsss_switch_t *, tain_t const *, tain_t *) ; +#define nsss_switch_pwd_end_g(a, deadline) nsss_switch_pwd_end(a, (deadline), &STAMP) +extern int nsss_switch_pwd_rewind (nsss_switch_t *, tain_t const *, tain_t *) ; +#define nsss_switch_pwd_rewind_g(a, deadline) nsss_switch_pwd_rewind(a, (deadline), &STAMP) +extern int nsss_switch_pwd_get (nsss_switch_t *, struct passwd *, stralloc *, tain_t const *, tain_t *) ; +#define nsss_switch_pwd_get_g(a, b, sa, deadline) nsss_switch_pwd_get(a, b, sa, (deadline), &STAMP) +extern int nsss_switch_pwd_getbyname (nsss_switch_t *, struct passwd *, stralloc *, char const *, tain_t const *, tain_t *) ; +#define nsss_switch_pwd_getbyname_g(a, b, sa, name, deadline) nsss_switch_pwd_getbyname(a, b, sa, name, (deadline), &STAMP) +extern int nsss_switch_pwd_getbyuid (nsss_switch_t *, struct passwd *, stralloc *, uid_t, tain_t const *, tain_t *) ; +#define nsss_switch_pwd_getbyuid_g(a, b, sa, u, deadline) nsss_switch_pwd_getbyuid(a, b, sa, u, (deadline), &STAMP) + + + /* Group */ + +#define NSSS_SWITCH_GRP_END '\020' +#define NSSS_SWITCH_GRP_REWIND '\021' +#define NSSS_SWITCH_GRP_GET '\022' +#define NSSS_SWITCH_GRP_GETBYNAME '\023' +#define NSSS_SWITCH_GRP_GETBYGID '\024' + +extern int nsss_switch_grp_end (nsss_switch_t *, tain_t const *, tain_t *) ; +#define nsss_switch_grp_end_g(a, deadline) nsss_switch_grp_end(a, (deadline), &STAMP) +extern int nsss_switch_grp_rewind (nsss_switch_t *, tain_t const *, tain_t *) ; +#define nsss_switch_grp_rewind_g(a, deadline) nsss_switch_grp_rewind(a, (deadline), &STAMP) +extern int nsss_switch_grp_get (nsss_switch_t *, struct group *, stralloc *, genalloc *, tain_t const *, tain_t *) ; +#define nsss_switch_grp_get_g(a, b, sa, ga, deadline) nsss_switch_grp_get(a, b, sa, ga, (deadline), &STAMP) +extern int nsss_switch_grp_getbyname (nsss_switch_t *, struct group *, stralloc *, genalloc *, char const *, tain_t const *, tain_t *) ; +#define nsss_switch_grp_getbyname_g(a, b, sa, ga, name, deadline) nsss_switch_grp_getbyname(a, b, sa, ga, name, (deadline), &STAMP) +extern int nsss_switch_grp_getbygid (nsss_switch_t *, struct group *, stralloc *, genalloc *, gid_t, tain_t const *, tain_t *) ; +#define nsss_switch_grp_getbygid_g(a, b, sa, ga, g, deadline) nsss_switch_grp_getbygid(a, b, sa, ga, g, (deadline), &STAMP) + + + /* Shadow */ + +#define NSSS_SWITCH_SHADOW_END '\040' +#define NSSS_SWITCH_SHADOW_REWIND '\041' +#define NSSS_SWITCH_SHADOW_GET '\042' +#define NSSS_SWITCH_SHADOW_GETBYNAME '\043' + +extern int nsss_switch_shadow_end (nsss_switch_t *, tain_t const *, tain_t *) ; +#define nsss_switch_shadow_end_g(a, deadline) nsss_switch_shadow_end(a, (deadline), &STAMP) +extern int nsss_switch_shadow_rewind (nsss_switch_t *, tain_t const *, tain_t *) ; +#define nsss_switch_shadow_rewind_g(a, deadline) nsss_switch_shadow_rewind(a, (deadline), &STAMP) +extern int nsss_switch_shadow_get (nsss_switch_t *, struct spwd *, stralloc *, tain_t const *, tain_t *) ; +#define nsss_switch_shadow_get_g(a, b, sa, deadline) nsss_switch_shadow_get(a, b, sa, (deadline), &STAMP) +extern int nsss_switch_shadow_getbyname (nsss_switch_t *, struct spwd *, stralloc *, char const *, tain_t const *, tain_t *) ; +#define nsss_switch_shadow_getbyname_g(a, b, sa, name, deadline) nsss_switch_shadow_getbyname(a, b, sa, name, (deadline), &STAMP) + +#endif diff --git a/src/include/nsss/nsss-unix.h b/src/include/nsss/nsss-unix.h new file mode 100644 index 0000000..786bf88 --- /dev/null +++ b/src/include/nsss/nsss-unix.h @@ -0,0 +1,61 @@ +/* ISC license. */ + +#ifndef NSSS_UNIX_H +#define NSSS_UNIX_H + +#include <sys/types.h> +#include <skalibs/buffer.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/pwd-unix.h> +#include <nsss/grp-unix.h> +#include <nsss/shadow-unix.h> + +#define NSSS_UNIX_BUFSIZE 4096 + +typedef struct nsss_unix_s nsss_unix_t, *nsss_unix_t_ref ; +struct nsss_unix_s +{ + buffer b ; + char buf[NSSS_UNIX_BUFSIZE] ; +} ; +#define NSSS_UNIX_ZERO { .b = BUFFER_ZERO } + +extern int nsss_unix_start (nsss_unix_t *, char const *) ; +extern int nsss_unix_maybe_start (nsss_unix_t *, char const *) ; +extern void nsss_unix_end (nsss_unix_t *) ; +extern int nsss_unix_rewind (nsss_unix_t *) ; + + + /* Password */ + +#define nsss_unix_pwd_start(a) nsss_unix_start(a, "/etc/passwd") +#define nsss_unix_pwd_maybe_start(a) nsss_unix_maybe_start(a, "/etc/passwd") +#define nsss_unix_pwd_end(a) nsss_unix_end(a) +#define nsss_unix_pwd_rewind(a) nsss_unix_rewind(a) +extern int nsss_unix_pwd_get (nsss_unix_t *, struct passwd *, stralloc *) ; +extern int nsss_unix_pwd_getbyname (nsss_unix_t *, struct passwd *, stralloc *, char const *) ; +extern int nsss_unix_pwd_getbyuid (nsss_unix_t *, struct passwd *, stralloc *, uid_t) ; + + + /* Group */ + +#define nsss_unix_grp_start(a) nsss_unix_start(a, "/etc/group") +#define nsss_unix_grp_maybe_start(a) nsss_unix_maybe_start(a, "/etc/group") +#define nsss_unix_grp_end(a) nsss_unix_end(a) +#define nsss_unix_grp_rewind(a) nsss_unix_rewind(a) +extern int nsss_unix_grp_get (nsss_unix_t *, struct group *, stralloc *, genalloc *) ; +extern int nsss_unix_grp_getbyname (nsss_unix_t *, struct group *, stralloc *, genalloc *, char const *) ; +extern int nsss_unix_grp_getbygid (nsss_unix_t *, struct group *, stralloc *, genalloc *, gid_t) ; + + + /* Shadow */ + +#define nsss_unix_shadow_start(a) nsss_unix_start(a, "/etc/shadow") +#define nsss_unix_shadow_maybe_start(a) nsss_unix_maybe_start(a, "/etc/shadow") +#define nsss_unix_shadow_end(a) nsss_unix_end(a) +#define nsss_unix_shadow_rewind(a) nsss_unix_rewind(a) +extern int nsss_unix_shadow_get (nsss_unix_t *, struct spwd *, stralloc *) ; +extern int nsss_unix_shadow_getbyname (nsss_unix_t *, struct spwd *, stralloc *, char const *) ; + +#endif diff --git a/src/include/nsss/nsss.h b/src/include/nsss/nsss.h new file mode 100644 index 0000000..56e7c08 --- /dev/null +++ b/src/include/nsss/nsss.h @@ -0,0 +1,10 @@ +/* ISC license. */ + +#ifndef NSSS_H +#define NSSS_H + +#include <nsss/nsss-unix.h> +#include <nsss/nsss-switch.h> +#include <nsss/nsss-all.h> + +#endif diff --git a/src/include/nsss/nsssd.h b/src/include/nsss/nsssd.h new file mode 100644 index 0000000..7649873 --- /dev/null +++ b/src/include/nsss/nsssd.h @@ -0,0 +1,84 @@ +/* ISC license. */ + +#ifndef NSSSD_H +#define NSSSD_H + +#include <sys/types.h> +#include <nsss/pwd-def.h> +#include <nsss/grp-def.h> +#include <nsss/shadow-def.h> + +#define NSSSD_EOF 255 + +typedef struct nsssd_passwd_s nsssd_passwd_t, *nsssd_passwd_t_ref ; +struct nsssd_passwd_s +{ + size_t pw_name ; + size_t pw_passwd ; + uid_t pw_uid ; + uid_t pw_gid ; + size_t pw_gecos ; + size_t pw_dir ; + size_t pw_shell ; +} ; + +typedef struct nsssd_group_s nsssd_group_t, *nsssd_group_t_ref ; +struct nsssd_group_s +{ + size_t gr_name ; + size_t gr_passwd ; + gid_t gr_gid ; + size_t gr_mem ; + size_t gr_mem_n ; +} ; + +typedef struct nsssd_spwd_s nsssd_spwd_t, *nsssd_spwd_t_ref ; +struct nsssd_spwd_s +{ + size_t sp_namp ; + size_t sp_pwdp ; + long sp_lstchg ; + long sp_min ; + long sp_max ; + long sp_warn ; + long sp_inact ; + long sp_expire ; + unsigned long sp_flag ; +} ; + + +/* Functions provided by libnsssd */ + +extern int nsssd_main (char const *const *, char const *const *) ; +extern void nsssd_passwd_convert (struct passwd *, nsssd_passwd_t const *, char const *) ; +extern void nsssd_group_convert (struct group *, char **, nsssd_group_t const *, char const *, size_t const *) ; +extern void nsssd_spwd_convert (struct spwd *, nsssd_spwd_t const *, char const *) ; + + +/* Functions that must be provided by the backend */ + +extern void *nsssd_handle_init (void) ; +extern int nsssd_handle_start (void *, char const *const *, char const *const *) ; +extern void nsssd_handle_end (void *) ; + +extern int nsssd_pwd_start (void *) ; +extern int nsssd_pwd_rewind (void *) ; +extern int nsssd_pwd_get (void *, struct passwd *) ; +extern int nsssd_pwd_getbyuid (void *, struct passwd *, uid_t) ; +extern int nsssd_pwd_getbyname (void *, struct passwd *, char const *) ; +extern void nsssd_pwd_end (void *) ; + +extern int nsssd_grp_start (void *) ; +extern int nsssd_grp_rewind (void *) ; +extern int nsssd_grp_get (void *, struct group *) ; +extern int nsssd_grp_getbygid (void *, struct group *, gid_t) ; +extern int nsssd_grp_getbyname (void *, struct group *, char const *) ; +extern void nsssd_grp_end (void *) ; + +extern int nsssd_shadow_start (void *) ; +extern int nsssd_shadow_rewind (void *) ; +extern int nsssd_shadow_get (void *, struct spwd *) ; +extern int nsssd_shadow_getbyname (void *, struct spwd *, char const *) ; +extern void nsssd_shadow_end (void *) ; + +#endif diff --git a/src/include/nsss/pwd-all.h b/src/include/nsss/pwd-all.h new file mode 100644 index 0000000..02d38a3 --- /dev/null +++ b/src/include/nsss/pwd-all.h @@ -0,0 +1,20 @@ +/* ISC license. */ + +#ifndef NSSS_PWD_ALL_H +#define NSSS_PWD_ALL_H + +#include <nsss/pwd-def.h> + + /* switch then fallback on unix */ + +extern void nsss_all_setpwent (void) ; +extern struct passwd *nsss_all_getpwent (void) ; +extern int nsss_all_getpwent_r (struct passwd *, char *, size_t, struct passwd **) ; +extern void nsss_all_endpwent (void) ; + +extern struct passwd *nsss_all_getpwuid (uid_t) ; +extern int nsss_all_getpwuid_r (uid_t, struct passwd *, char *, size_t, struct passwd **) ; +extern struct passwd *nsss_all_getpwnam (char const *) ; +extern int nsss_all_getpwnam_r (char const *, struct passwd *, char *, size_t, struct passwd **) ; + +#endif diff --git a/src/include/nsss/pwd-def.h b/src/include/nsss/pwd-def.h new file mode 100644 index 0000000..44a4538 --- /dev/null +++ b/src/include/nsss/pwd-def.h @@ -0,0 +1,19 @@ +/* ISC license. */ + +#ifndef NSSS_PWD_DEF_H +#define NSSS_PWD_DEF_H + +#include <sys/types.h> + +struct passwd +{ + char *pw_name ; + char *pw_passwd ; + uid_t pw_uid ; + gid_t pw_gid ; + char *pw_gecos ; + char *pw_dir ; + char *pw_shell ; +} ; + +#endif diff --git a/src/include/nsss/pwd-switch.h b/src/include/nsss/pwd-switch.h new file mode 100644 index 0000000..f9ac48c --- /dev/null +++ b/src/include/nsss/pwd-switch.h @@ -0,0 +1,20 @@ +/* ISC license. */ + +#ifndef NSSS_PWD_SWITCH_H +#define NSSS_PWD_SWITCH_H + +#include <nsss/pwd-def.h> + + /* Password functions contacting the nsssd daemon */ + +extern void nsss_switch_setpwent (void) ; +extern struct passwd *nsss_switch_getpwent (void) ; +extern int nsss_switch_getpwent_r (struct passwd *, char *, size_t, struct passwd **) ; +extern void nsss_switch_endpwent (void) ; + +extern struct passwd *nsss_switch_getpwuid (uid_t) ; +extern int nsss_switch_getpwuid_r (uid_t, struct passwd *, char *, size_t, struct passwd **) ; +extern struct passwd *nsss_switch_getpwnam (char const *) ; +extern int nsss_switch_getpwnam_r (char const *, struct passwd *, char *, size_t, struct passwd **) ; + +#endif diff --git a/src/include/nsss/pwd-unix.h b/src/include/nsss/pwd-unix.h new file mode 100644 index 0000000..9b1d60c --- /dev/null +++ b/src/include/nsss/pwd-unix.h @@ -0,0 +1,20 @@ +/* ISC license. */ + +#ifndef NSSS_PWD_UNIX_H +#define NSSS_PWD_UNIX_H + +#include <nsss/pwd-def.h> + + /* /etc/passwd backend */ + +extern void nsss_unix_setpwent (void) ; +extern struct passwd *nsss_unix_getpwent (void) ; +extern int nsss_unix_getpwent_r (struct passwd *, char *, size_t, struct passwd **) ; +extern void nsss_unix_endpwent (void) ; + +extern struct passwd *nsss_unix_getpwuid (uid_t) ; +extern int nsss_unix_getpwuid_r (uid_t, struct passwd *, char *, size_t, struct passwd **) ; +extern struct passwd *nsss_unix_getpwnam (char const *) ; +extern int nsss_unix_getpwnam_r (char const *, struct passwd *, char *, size_t, struct passwd **) ; + +#endif diff --git a/src/include/nsss/pwd.h b/src/include/nsss/pwd.h new file mode 100644 index 0000000..950a5ce --- /dev/null +++ b/src/include/nsss/pwd.h @@ -0,0 +1,58 @@ +/* ISC license. */ + +#ifndef NSSS_PWD_H +#define NSSS_PWD_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef NSSS_DISABLE_SWITCH + +#include <nsss/pwd-unix.h> + +#define setpwent nsss_unix_setpwent +#define getpwent nsss_unix_getpwent +#define getpwent_r nsss_unix_getpwent_r +#define endpwent nsss_unix_endpwent +#define getpwuid nsss_unix_getpwuid +#define getpwuid_r nsss_unix_getpwuid_r +#define getpwnam nsss_unix_getpwnam +#define getpwnam_r nsss_unix_getpwnam_r + +#else +#ifdef NSSS_DISABLE_UNIX + +#include <nsss/pwd-switch.h> + +#define setpwent nsss_switch_setpwent +#define getpwent nsss_switch_getpwent +#define getpwent_r nsss_switch_getpwent_r +#define endpwent nsss_switch_endpwent +#define getpwuid nsss_switch_getpwuid +#define getpwuid_r nsss_switch_getpwuid_r +#define getpwnam nsss_switch_getpwnam +#define getpwnam_r nsss_switch_getpwnam_r + +#else + +#include <nsss/pwd-all.h> + +#define setpwent nsss_all_setpwent +#define getpwent nsss_all_getpwent +#define getpwent_r nsss_all_getpwent_r +#define endpwent nsss_all_endpwent +#define getpwuid nsss_all_getpwuid +#define getpwuid_r nsss_all_getpwuid_r +#define getpwnam nsss_all_getpwnam +#define getpwnam_r nsss_all_getpwnam_r + +#endif +#endif + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/include/nsss/shadow-all.h b/src/include/nsss/shadow-all.h new file mode 100644 index 0000000..09da550 --- /dev/null +++ b/src/include/nsss/shadow-all.h @@ -0,0 +1,18 @@ +/* ISC license. */ + +#ifndef NSSS_SHADOW_ALL_H +#define NSSS_SHADOW_ALL_H + +#include <nsss/shadow-def.h> + +/* switch then fallback on unix */ + +extern void nsss_all_setspent (void) ; +extern struct spwd *nsss_all_getspent (void) ; +extern int nsss_all_getspent_r (struct spwd *, char *, size_t, struct spwd **) ; +extern void nsss_all_endspent (void) ; + +extern struct spwd *nsss_all_getspnam (char const *) ; +extern int nsss_all_getspnam_r (char const *, struct spwd *, char *, size_t, struct spwd **) ; + +#endif diff --git a/src/include/nsss/shadow-def.h b/src/include/nsss/shadow-def.h new file mode 100644 index 0000000..7b73b95 --- /dev/null +++ b/src/include/nsss/shadow-def.h @@ -0,0 +1,21 @@ +/* ISC license. */ + +#ifndef NSSS_SHADOW_DEF_H +#define NSSS_SHADOW_DEF_H + +#include <sys/types.h> + +struct spwd +{ + char *sp_namp ; + char *sp_pwdp ; + long sp_lstchg ; + long sp_min ; + long sp_max ; + long sp_warn ; + long sp_inact ; + long sp_expire ; + unsigned long sp_flag ; +} ; + +#endif diff --git a/src/include/nsss/shadow-switch.h b/src/include/nsss/shadow-switch.h new file mode 100644 index 0000000..0126125 --- /dev/null +++ b/src/include/nsss/shadow-switch.h @@ -0,0 +1,18 @@ +/* ISC license. */ + +#ifndef NSSS_SHADOW_SWITCH_H +#define NSSS_SHADOW_SWITCH_H + +#include <nsss/shadow-def.h> + + /* Shadow functions contacting the nsssd daemon */ + +extern void nsss_switch_setspent (void) ; +extern struct spwd *nsss_switch_getspent (void) ; +extern int nsss_switch_getspent_r (struct spwd *, char *, size_t, struct spwd **) ; +extern void nsss_switch_endspent (void) ; + +extern struct spwd *nsss_switch_getspnam (char const *) ; +extern int nsss_switch_getspnam_r (char const *, struct spwd *, char *, size_t, struct spwd **) ; + +#endif diff --git a/src/include/nsss/shadow-unix.h b/src/include/nsss/shadow-unix.h new file mode 100644 index 0000000..6b7a111 --- /dev/null +++ b/src/include/nsss/shadow-unix.h @@ -0,0 +1,18 @@ +/* ISC license. */ + +#ifndef NSSS_SHADOW_UNIX_H +#define NSSS_SHADOW_UNIX_H + +#include <nsss/shadow-def.h> + + /* /etc/shadow functions */ + +extern void nsss_unix_setspent (void) ; +extern struct spwd *nsss_unix_getspent (void) ; +extern int nsss_unix_getspent_r (struct spwd *, char *, size_t, struct spwd **) ; +extern void nsss_unix_endspent (void) ; + +extern struct spwd *nsss_unix_getspnam (char const *) ; +extern int nsss_unix_getspnam_r (char const *, struct spwd *, char *, size_t, struct spwd **) ; + +#endif diff --git a/src/include/nsss/shadow.h b/src/include/nsss/shadow.h new file mode 100644 index 0000000..c3357fd --- /dev/null +++ b/src/include/nsss/shadow.h @@ -0,0 +1,52 @@ +/* ISC license. */ + +#ifndef NSSS_SHADOW_H +#define NSSS_SHADOW_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef NSSS_DISABLE_SWITCH + +#include <nsss/shadow-unix.h> + +#define setspent nsss_unix_setspent +#define getspent nsss_unix_getspent +#define getspent_r nsss_unix_getspent_r +#define endspent nsss_unix_endspent +#define getspnam nsss_unix_getspnam +#define getspnam_r nsss_unix_getspnam_r + +#else +#ifdef NSSS_DISABLE_UNIX + +#include <nsss/shadow-switch.h> + +#define setspent nsss_switch_setspent +#define getspent nsss_switch_getspent +#define getspent_r nsss_switch_getspent_r +#define endspent nsss_switch_endspent +#define getspnam nsss_switch_getspnam +#define getspnam_r nsss_switch_getspnam_r + +#else + +#include <nsss/shadow-all.h> + +#define setspent nsss_all_setspent +#define getspent nsss_all_getspent +#define getspent_r nsss_all_getspent_r +#define endspent nsss_all_endspent +#define getspnam nsss_all_getspnam +#define getspnam_r nsss_all_getspnam_r + +#endif +#endif + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/include/pwd.h b/src/include/pwd.h new file mode 100644 index 0000000..6ad4faf --- /dev/null +++ b/src/include/pwd.h @@ -0,0 +1,20 @@ +/* ISC license. */ + +/* + This file is part of the nsss package. + See https://skarnet.org/software/nsss/ +*/ + +#ifndef PWD_H +#define PWD_H + +#include <nsss/pwd.h> + +#ifdef _GNU_SOURCE +#include <stdio.h> +extern struct passwd *fgetpwent (FILE *) ; +extern int fgetpwent_r (FILE *, struct passwd *, char *, size_t, struct passwd **) ; +extern int putpwent (struct passwd const *, FILE *) ; +#endif + +#endif diff --git a/src/include/shadow.h b/src/include/shadow.h new file mode 100644 index 0000000..00d1944 --- /dev/null +++ b/src/include/shadow.h @@ -0,0 +1,26 @@ +/* ISC license. */ + +/* + This file is part of the nsss package. + See https://skarnet.org/software/nsss/ +*/ + +#ifndef SHADOW_H +#define SHADOW_H + +#include <nsss/shadow.h> + +#include <stdio.h> + +extern struct spwd *fgetspent (FILE *) ; +extern struct spwd *sgetspent (char const *) ; +extern int putspent (struct spwd const *, FILE *) ; +extern int lckpwdf (void) ; +extern int ulckpwdf (void) ; + +#ifdef _DEFAULT_SOURCE +extern int fgetspent_r(FILE *, struct spwd *, char *, size_t, struct spwd **) ; +extern int sgetspent_r (char const *, struct spwd *, char *, size_t, struct spwd **) ; +#endif + +#endif diff --git a/src/libnsss/deps-lib/nsss b/src/libnsss/deps-lib/nsss new file mode 100644 index 0000000..6a51e6a --- /dev/null +++ b/src/libnsss/deps-lib/nsss @@ -0,0 +1,111 @@ +nsss_all_endgrent.o +nsss_all_endpwent.o +nsss_all_endspent.o +nsss_all_errno.o +nsss_all_getgrent.o +nsss_all_getgrent_r.o +nsss_all_getgrgid.o +nsss_all_getgrgid_r.o +nsss_all_getgrnam.o +nsss_all_getgrnam_r.o +nsss_all_getpwent.o +nsss_all_getpwent_r.o +nsss_all_getpwnam.o +nsss_all_getpwnam_r.o +nsss_all_getpwuid.o +nsss_all_getpwuid_r.o +nsss_all_getspent.o +nsss_all_getspent_r.o +nsss_all_getspnam.o +nsss_all_getspnam_r.o +nsss_all_setgrent.o +nsss_all_setpwent.o +nsss_all_setspent.o +nsss_grp_copy.o +nsss_grp_here.o +nsss_pwd_copy.o +nsss_pwd_here.o +nsss_shadow_copy.o +nsss_shadow_here.o +nsss_switch_end.o +nsss_switch_endgrent.o +nsss_switch_endpwent.o +nsss_switch_endspent.o +nsss_switch_getgrent.o +nsss_switch_getgrent_r.o +nsss_switch_getgrgid.o +nsss_switch_getgrgid_r.o +nsss_switch_getgrnam.o +nsss_switch_getgrnam_r.o +nsss_switch_getpwent.o +nsss_switch_getpwent_r.o +nsss_switch_getpwnam.o +nsss_switch_getpwnam_r.o +nsss_switch_getpwuid.o +nsss_switch_getpwuid_r.o +nsss_switch_getspent.o +nsss_switch_getspent_r.o +nsss_switch_getspnam.o +nsss_switch_getspnam_r.o +nsss_switch_grp_end.o +nsss_switch_grp_get.o +nsss_switch_grp_getbygid.o +nsss_switch_grp_getbyname.o +nsss_switch_grp_read.o +nsss_switch_grp_rewind.o +nsss_switch_here.o +nsss_switch_op.o +nsss_switch_pwd_end.o +nsss_switch_pwd_get.o +nsss_switch_pwd_getbyname.o +nsss_switch_pwd_getbyuid.o +nsss_switch_pwd_read.o +nsss_switch_pwd_rewind.o +nsss_switch_setgrent.o +nsss_switch_setpwent.o +nsss_switch_setspent.o +nsss_switch_shadow_end.o +nsss_switch_shadow_get.o +nsss_switch_shadow_getbyname.o +nsss_switch_shadow_read.o +nsss_switch_shadow_rewind.o +nsss_switch_start.o +nsss_unix_end.o +nsss_unix_endgrent.o +nsss_unix_endpwent.o +nsss_unix_endspent.o +nsss_unix_field.o +nsss_unix_getgrent.o +nsss_unix_getgrent_r.o +nsss_unix_getgrgid.o +nsss_unix_getgrgid_r.o +nsss_unix_getgrnam.o +nsss_unix_getgrnam_r.o +nsss_unix_getpwent.o +nsss_unix_getpwent_r.o +nsss_unix_getpwnam.o +nsss_unix_getpwnam_r.o +nsss_unix_getpwuid.o +nsss_unix_getpwuid_r.o +nsss_unix_getspent.o +nsss_unix_getspent_r.o +nsss_unix_getspnam.o +nsss_unix_getspnam_r.o +nsss_unix_grp_get.o +nsss_unix_grp_getbygid.o +nsss_unix_grp_getbyname.o +nsss_unix_grp_here.o +nsss_unix_maybe_start.o +nsss_unix_pwd_get.o +nsss_unix_pwd_getbyname.o +nsss_unix_pwd_getbyuid.o +nsss_unix_pwd_here.o +nsss_unix_rewind.o +nsss_unix_setgrent.o +nsss_unix_setpwent.o +nsss_unix_setspent.o +nsss_unix_shadow_get.o +nsss_unix_shadow_getbyname.o +nsss_unix_shadow_here.o +nsss_unix_start.o +-lskarnet diff --git a/src/libnsss/nsss-all-internal.h b/src/libnsss/nsss-all-internal.h new file mode 100644 index 0000000..91bd552 --- /dev/null +++ b/src/libnsss/nsss-all-internal.h @@ -0,0 +1,8 @@ +/* ISC license. */ + +#ifndef NSSS_ALL_INTERNAL_H +#define NSSS_ALL_INTERNAL_H + +extern int nsss_all_errno ; + +#endif diff --git a/src/libnsss/nsss-internal.h b/src/libnsss/nsss-internal.h new file mode 100644 index 0000000..f9dbeb3 --- /dev/null +++ b/src/libnsss/nsss-internal.h @@ -0,0 +1,35 @@ +/* ISC license. */ + +#ifndef NSSS_INTERNAL_H +#define NSSS_INTERNAL_H + +#include <sys/types.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/pwd-def.h> +#include <nsss/grp-def.h> +#include <nsss/shadow-def.h> + + + /* Password */ + +extern struct passwd nsss_pwd_here ; +extern stralloc nsss_pwd_sa_here ; +extern int nsss_pwd_copy (struct passwd *, char *, size_t, struct passwd const *, char const *, size_t) ; + + + /* Group */ + +extern struct group nsss_grp_here ; +extern stralloc nsss_grp_sa_here ; +extern genalloc nsss_grp_ga_here ; +extern int nsss_grp_copy (struct group *, char *, size_t, struct group const *, char const *, size_t, char *const *, size_t) ; + + + /* Shadow */ + +extern struct spwd nsss_shadow_here ; +extern stralloc nsss_shadow_sa_here ; +extern int nsss_shadow_copy (struct spwd *, char *, size_t, struct spwd const *, char const *, size_t) ; + +#endif diff --git a/src/libnsss/nsss-switch-internal.h b/src/libnsss/nsss-switch-internal.h new file mode 100644 index 0000000..e005ffc --- /dev/null +++ b/src/libnsss/nsss-switch-internal.h @@ -0,0 +1,21 @@ +/* ISC license. */ + +#ifndef NSSS_SWITCH_INTERNAL_H +#define NSSS_SWITCH_INTERNAL_H + +#include <skalibs/tai.h> +#include <skalibs/buffer.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/pwd-def.h> +#include <nsss/grp-def.h> +#include <nsss/shadow-def.h> +#include <nsss/nsss-switch.h> + +extern nsss_switch_t nsss_switch_here ; +extern int nsss_switch_op (nsss_switch_t *, char, tain_t const *, tain_t *) ; +extern int nsss_switch_pwd_read (buffer *, struct passwd *, stralloc *, tain_t const *, tain_t *) ; +extern int nsss_switch_grp_read (buffer *, struct group *, stralloc *, genalloc *, tain_t const *, tain_t *) ; +extern int nsss_switch_shadow_read (buffer *, struct spwd *, stralloc *, tain_t const *, tain_t *) ; + +#endif diff --git a/src/libnsss/nsss-unix-internal.h b/src/libnsss/nsss-unix-internal.h new file mode 100644 index 0000000..9413a3b --- /dev/null +++ b/src/libnsss/nsss-unix-internal.h @@ -0,0 +1,13 @@ +/* ISC license. */ + +#ifndef NSSS_UNIX_INTERNAL_H +#define NSSS_UNIX_INTERNAL_H + +#include <nsss/nsss-unix.h> + +extern int nsss_unix_field (char **, char **) ; +extern nsss_unix_t nsss_unix_pwd_here ; +extern nsss_unix_t nsss_unix_grp_here ; +extern nsss_unix_t nsss_unix_shadow_here ; + +#endif diff --git a/src/libnsss/nsss_all_endgrent.c b/src/libnsss/nsss_all_endgrent.c new file mode 100644 index 0000000..059eca4 --- /dev/null +++ b/src/libnsss/nsss_all_endgrent.c @@ -0,0 +1,17 @@ +/* ISC license. */ + +#include <nsss/grp-unix.h> +#include <nsss/grp-switch.h> +#include <nsss/grp-all.h> +#include "nsss-all-internal.h" + +void nsss_all_endgrent (void) +{ + if (nsss_all_errno) goto fallback ; + nsss_switch_endgrent() ; + return ; + + fallback: + nsss_unix_endgrent() ; + nsss_all_errno = 0 ; +} diff --git a/src/libnsss/nsss_all_endpwent.c b/src/libnsss/nsss_all_endpwent.c new file mode 100644 index 0000000..c3ce953 --- /dev/null +++ b/src/libnsss/nsss_all_endpwent.c @@ -0,0 +1,17 @@ +/* ISC license. */ + +#include <nsss/pwd-unix.h> +#include <nsss/pwd-switch.h> +#include <nsss/pwd-all.h> +#include "nsss-all-internal.h" + +void nsss_all_endpwent (void) +{ + if (nsss_all_errno) goto fallback ; + nsss_switch_endpwent() ; + return ; + + fallback: + nsss_unix_endpwent() ; + nsss_all_errno = 0 ; +} diff --git a/src/libnsss/nsss_all_endspent.c b/src/libnsss/nsss_all_endspent.c new file mode 100644 index 0000000..c5587cb --- /dev/null +++ b/src/libnsss/nsss_all_endspent.c @@ -0,0 +1,17 @@ +/* ISC license. */ + +#include <nsss/shadow-unix.h> +#include <nsss/shadow-switch.h> +#include <nsss/shadow-all.h> +#include "nsss-all-internal.h" + +void nsss_all_endspent (void) +{ + if (nsss_all_errno) goto fallback ; + nsss_switch_endspent() ; + return ; + + fallback: + nsss_unix_endspent() ; + nsss_all_errno = 0 ; +} diff --git a/src/libnsss/nsss_all_errno.c b/src/libnsss/nsss_all_errno.c new file mode 100644 index 0000000..8c50835 --- /dev/null +++ b/src/libnsss/nsss_all_errno.c @@ -0,0 +1,5 @@ +/* ISC license. */ + +#include "nsss-all-internal.h" + +int nsss_all_errno = 0 ; diff --git a/src/libnsss/nsss_all_getgrent.c b/src/libnsss/nsss_all_getgrent.c new file mode 100644 index 0000000..15b5894 --- /dev/null +++ b/src/libnsss/nsss_all_getgrent.c @@ -0,0 +1,28 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/genalloc.h> +#include <nsss/config.h> +#include <nsss/grp-unix.h> +#include <nsss/grp-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" +#include "nsss-switch-internal.h" +#include "nsss-all-internal.h" + +struct group *nsss_all_getgrent (void) +{ + int e = errno ; + if (nsss_all_errno) goto fallback ; + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) goto efallback ; + nsss_grp_sa_here.len = 0 ; + genalloc_setlen(char *, &nsss_grp_ga_here, 0) ; + if (!nsss_switch_grp_get(&nsss_switch_here, &nsss_grp_here, &nsss_grp_sa_here, &nsss_grp_ga_here, 0, 0)) return 0 ; + return &nsss_grp_here ; + + efallback: + nsss_all_errno = errno ; + errno = e ; + fallback: + return nsss_unix_getgrent() ; +} diff --git a/src/libnsss/nsss_all_getgrent_r.c b/src/libnsss/nsss_all_getgrent_r.c new file mode 100644 index 0000000..8cdcad6 --- /dev/null +++ b/src/libnsss/nsss_all_getgrent_r.c @@ -0,0 +1,44 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/config.h> +#include <nsss/grp-unix.h> +#include <nsss/grp-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" +#include "nsss-switch-internal.h" +#include "nsss-all-internal.h" + +int nsss_all_getgrent_r (struct group *gr, char *buf, size_t buflen, struct group **grp) +{ + struct group gr2 ; + stralloc sa = STRALLOC_ZERO ; + genalloc ga = GENALLOC_ZERO ; + int e = errno ; + if (nsss_all_errno) goto fallback ; + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) goto efallback ; + errno = 0 ; + if (!nsss_switch_grp_get(&nsss_switch_here, &gr2, &sa, &ga, 0, 0)) + { + *grp = 0 ; + if (!errno) errno = ENOENT ; + return errno ; + } + if (!nsss_grp_copy(gr, buf, buflen, &gr2, sa.s, sa.len, genalloc_s(char *, &ga), genalloc_len(char *, &ga))) + { + stralloc_free(&sa) ; + *grp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *grp = gr ; + return (errno = e, 0) ; + + efallback: + nsss_all_errno = errno ; + errno = e ; + fallback: + return nsss_unix_getgrent_r(gr, buf, buflen, grp) ; +} diff --git a/src/libnsss/nsss_all_getgrgid.c b/src/libnsss/nsss_all_getgrgid.c new file mode 100644 index 0000000..da67518 --- /dev/null +++ b/src/libnsss/nsss_all_getgrgid.c @@ -0,0 +1,29 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/genalloc.h> +#include <nsss/config.h> +#include <nsss/grp-unix.h> +#include <nsss/grp-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +struct group *nsss_all_getgrgid (gid_t gid) +{ + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + nsss_grp_sa_here.len = 0 ; + genalloc_setlen(char *, &nsss_grp_ga_here, 0) ; + if (!nsss_switch_grp_getbygid(&a, &nsss_grp_here, &nsss_grp_sa_here, &nsss_grp_ga_here, gid, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + return 0 ; + } + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + return &nsss_grp_here ; + + fallback: + errno = e ; + return nsss_unix_getgrgid(gid) ; +} diff --git a/src/libnsss/nsss_all_getgrgid_r.c b/src/libnsss/nsss_all_getgrgid_r.c new file mode 100644 index 0000000..bd48322 --- /dev/null +++ b/src/libnsss/nsss_all_getgrgid_r.c @@ -0,0 +1,41 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/config.h> +#include <nsss/grp-unix.h> +#include <nsss/grp-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +int nsss_all_getgrgid_r (gid_t gid, struct group *gr, char *buf, size_t buflen, struct group **grp) +{ + struct group gr2 ; + stralloc sa = STRALLOC_ZERO ; + genalloc ga = GENALLOC_ZERO ; + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + errno = 0 ; + if (!nsss_switch_grp_getbygid(&a, &gr2, &sa, &ga, gid, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + *grp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + if (!nsss_grp_copy(gr, buf, buflen, &gr2, sa.s, sa.len, genalloc_s(char *, &ga), genalloc_len(char *, &ga))) + { + stralloc_free(&sa) ; + *grp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *grp = gr ; + return (errno = e, 0) ; + + fallback: + errno = e ; + return nsss_unix_getgrgid_r(gid, gr, buf, buflen, grp) ; +} diff --git a/src/libnsss/nsss_all_getgrnam.c b/src/libnsss/nsss_all_getgrnam.c new file mode 100644 index 0000000..a729bff --- /dev/null +++ b/src/libnsss/nsss_all_getgrnam.c @@ -0,0 +1,29 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/genalloc.h> +#include <nsss/config.h> +#include <nsss/grp-unix.h> +#include <nsss/grp-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +struct group *nsss_all_getgrnam (char const *name) +{ + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + nsss_grp_sa_here.len = 0 ; + genalloc_setlen(char *, &nsss_grp_ga_here, 0) ; + if (!nsss_switch_grp_getbyname(&a, &nsss_grp_here, &nsss_grp_sa_here, &nsss_grp_ga_here, name, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + return 0 ; + } + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + return &nsss_grp_here ; + + fallback: + errno = e ; + return nsss_unix_getgrnam(name) ; +} diff --git a/src/libnsss/nsss_all_getgrnam_r.c b/src/libnsss/nsss_all_getgrnam_r.c new file mode 100644 index 0000000..d129d3c --- /dev/null +++ b/src/libnsss/nsss_all_getgrnam_r.c @@ -0,0 +1,41 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/config.h> +#include <nsss/grp-unix.h> +#include <nsss/grp-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +int nsss_all_getgrnam_r (char const *name, struct group *gr, char *buf, size_t buflen, struct group **grp) +{ + struct group gr2 ; + stralloc sa = STRALLOC_ZERO ; + genalloc ga = GENALLOC_ZERO ; + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + errno = 0 ; + if (!nsss_switch_grp_getbyname(&a, &gr2, &sa, &ga, name, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + *grp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + if (!nsss_grp_copy(gr, buf, buflen, &gr2, sa.s, sa.len, genalloc_s(char *, &ga), genalloc_len(char *, &ga))) + { + stralloc_free(&sa) ; + *grp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *grp = gr ; + return (errno = e, 0) ; + + fallback: + errno = e ; + return nsss_unix_getgrnam_r(name, gr, buf, buflen, grp) ; +} diff --git a/src/libnsss/nsss_all_getpwent.c b/src/libnsss/nsss_all_getpwent.c new file mode 100644 index 0000000..b68a4b3 --- /dev/null +++ b/src/libnsss/nsss_all_getpwent.c @@ -0,0 +1,26 @@ +/* ISC license. */ + +#include <errno.h> +#include <nsss/config.h> +#include <nsss/pwd-unix.h> +#include <nsss/pwd-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" +#include "nsss-switch-internal.h" +#include "nsss-all-internal.h" + +struct passwd *nsss_all_getpwent (void) +{ + int e = errno ; + if (nsss_all_errno) goto fallback ; + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) goto efallback ; + nsss_pwd_sa_here.len = 0 ; + if (!nsss_switch_pwd_get(&nsss_switch_here, &nsss_pwd_here, &nsss_pwd_sa_here, 0, 0)) return 0 ; + return &nsss_pwd_here ; + + efallback: + nsss_all_errno = errno ; + errno = e ; + fallback: + return nsss_unix_getpwent() ; +} diff --git a/src/libnsss/nsss_all_getpwent_r.c b/src/libnsss/nsss_all_getpwent_r.c new file mode 100644 index 0000000..08e69dc --- /dev/null +++ b/src/libnsss/nsss_all_getpwent_r.c @@ -0,0 +1,42 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/config.h> +#include <nsss/pwd-unix.h> +#include <nsss/pwd-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" +#include "nsss-switch-internal.h" +#include "nsss-all-internal.h" + +int nsss_all_getpwent_r (struct passwd *pw, char *buf, size_t buflen, struct passwd **pwp) +{ + struct passwd pw2 ; + stralloc sa = STRALLOC_ZERO ; + int e = errno ; + if (nsss_all_errno) goto fallback ; + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) goto efallback ; + errno = 0 ; + if (!nsss_switch_pwd_get(&nsss_switch_here, &pw2, &sa, 0, 0)) + { + *pwp = 0 ; + if (!errno) errno = ENOENT ; + return errno ; + } + if (!nsss_pwd_copy(pw, buf, buflen, &pw2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *pwp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *pwp = pw ; + return (errno = e, 0) ; + + efallback: + nsss_all_errno = errno ; + errno = e ; + fallback: + return nsss_unix_getpwent_r(pw, buf, buflen, pwp) ; +} diff --git a/src/libnsss/nsss_all_getpwnam.c b/src/libnsss/nsss_all_getpwnam.c new file mode 100644 index 0000000..db855d7 --- /dev/null +++ b/src/libnsss/nsss_all_getpwnam.c @@ -0,0 +1,27 @@ +/* ISC license. */ + +#include <errno.h> +#include <nsss/config.h> +#include <nsss/pwd-unix.h> +#include <nsss/pwd-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +struct passwd *nsss_all_getpwnam (char const *name) +{ + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + nsss_pwd_sa_here.len = 0 ; + if (!nsss_switch_pwd_getbyname(&a, &nsss_pwd_here, &nsss_pwd_sa_here, name, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + return 0 ; + } + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + return &nsss_pwd_here ; + + fallback: + errno = e ; + return nsss_unix_getpwnam(name) ; +} diff --git a/src/libnsss/nsss_all_getpwnam_r.c b/src/libnsss/nsss_all_getpwnam_r.c new file mode 100644 index 0000000..e3169b1 --- /dev/null +++ b/src/libnsss/nsss_all_getpwnam_r.c @@ -0,0 +1,39 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/config.h> +#include <nsss/pwd-unix.h> +#include <nsss/pwd-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +int nsss_all_getpwnam_r (char const *name, struct passwd *pw, char *buf, size_t buflen, struct passwd **pwp) +{ + struct passwd pw2 ; + stralloc sa = STRALLOC_ZERO ; + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + errno = 0 ; + if (!nsss_switch_pwd_getbyname(&a, &pw2, &sa, name, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + *pwp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + if (!nsss_pwd_copy(pw, buf, buflen, &pw2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *pwp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *pwp = pw ; + return (errno = e, 0) ; + + fallback: + errno = e ; + return nsss_unix_getpwnam_r(name, pw, buf, buflen, pwp) ; +} diff --git a/src/libnsss/nsss_all_getpwuid.c b/src/libnsss/nsss_all_getpwuid.c new file mode 100644 index 0000000..26f0e21 --- /dev/null +++ b/src/libnsss/nsss_all_getpwuid.c @@ -0,0 +1,27 @@ +/* ISC license. */ + +#include <errno.h> +#include <nsss/config.h> +#include <nsss/pwd-unix.h> +#include <nsss/pwd-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +struct passwd *nsss_all_getpwuid (uid_t uid) +{ + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + nsss_pwd_sa_here.len = 0 ; + if (!nsss_switch_pwd_getbyuid(&a, &nsss_pwd_here, &nsss_pwd_sa_here, uid, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + return 0 ; + } + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + return &nsss_pwd_here ; + + fallback: + errno = e ; + return nsss_unix_getpwuid(uid) ; +} diff --git a/src/libnsss/nsss_all_getpwuid_r.c b/src/libnsss/nsss_all_getpwuid_r.c new file mode 100644 index 0000000..2da32e1 --- /dev/null +++ b/src/libnsss/nsss_all_getpwuid_r.c @@ -0,0 +1,39 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/config.h> +#include <nsss/pwd-unix.h> +#include <nsss/pwd-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +int nsss_all_getpwuid_r (uid_t uid, struct passwd *pw, char *buf, size_t buflen, struct passwd **pwp) +{ + struct passwd pw2 ; + stralloc sa = STRALLOC_ZERO ; + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + errno = 0 ; + if (!nsss_switch_pwd_getbyuid(&a, &pw2, &sa, uid, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + *pwp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + if (!nsss_pwd_copy(pw, buf, buflen, &pw2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *pwp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *pwp = pw ; + return (errno = e, 0) ; + + fallback: + errno = e ; + return nsss_unix_getpwuid_r(uid, pw, buf, buflen, pwp) ; +} diff --git a/src/libnsss/nsss_all_getspent.c b/src/libnsss/nsss_all_getspent.c new file mode 100644 index 0000000..7ca5048 --- /dev/null +++ b/src/libnsss/nsss_all_getspent.c @@ -0,0 +1,26 @@ +/* ISC license. */ + +#include <errno.h> +#include <nsss/config.h> +#include <nsss/shadow-unix.h> +#include <nsss/shadow-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" +#include "nsss-switch-internal.h" +#include "nsss-all-internal.h" + +struct spwd *nsss_all_getspent (void) +{ + int e = errno ; + if (nsss_all_errno) goto fallback ; + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_SHADOW, NSSS_NSSSD_PATH, 0, 0)) goto efallback ; + nsss_shadow_sa_here.len = 0 ; + if (!nsss_switch_shadow_get(&nsss_switch_here, &nsss_shadow_here, &nsss_shadow_sa_here, 0, 0)) return 0 ; + return &nsss_shadow_here ; + + efallback: + nsss_all_errno = errno ; + errno = e ; + fallback: + return nsss_unix_getspent() ; +} diff --git a/src/libnsss/nsss_all_getspent_r.c b/src/libnsss/nsss_all_getspent_r.c new file mode 100644 index 0000000..ab3e531 --- /dev/null +++ b/src/libnsss/nsss_all_getspent_r.c @@ -0,0 +1,42 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/config.h> +#include <nsss/shadow-unix.h> +#include <nsss/shadow-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" +#include "nsss-switch-internal.h" +#include "nsss-all-internal.h" + +int nsss_all_getspent_r (struct spwd *sp, char *buf, size_t buflen, struct spwd **spp) +{ + struct spwd sp2 ; + stralloc sa = STRALLOC_ZERO ; + int e = errno ; + if (nsss_all_errno) goto fallback ; + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_SHADOW, NSSS_NSSSD_PATH, 0, 0)) goto efallback ; + errno = 0 ; + if (!nsss_switch_shadow_get(&nsss_switch_here, &sp2, &sa, 0, 0)) + { + *spp = 0 ; + if (!errno) errno = ENOENT ; + return errno ; + } + if (!nsss_shadow_copy(sp, buf, buflen, &sp2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *spp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *spp = sp ; + return (errno = e, 0) ; + + efallback: + nsss_all_errno = errno ; + errno = e ; + fallback: + return nsss_unix_getspent_r(sp, buf, buflen, spp) ; +} diff --git a/src/libnsss/nsss_all_getspnam.c b/src/libnsss/nsss_all_getspnam.c new file mode 100644 index 0000000..040d5e4 --- /dev/null +++ b/src/libnsss/nsss_all_getspnam.c @@ -0,0 +1,27 @@ +/* ISC license. */ + +#include <errno.h> +#include <nsss/config.h> +#include <nsss/shadow-unix.h> +#include <nsss/shadow-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +struct spwd *nsss_all_getspnam (char const *name) +{ + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_SHADOW, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + nsss_shadow_sa_here.len = 0 ; + if (!nsss_switch_shadow_getbyname(&a, &nsss_shadow_here, &nsss_shadow_sa_here, name, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_SHADOW) ; + return 0 ; + } + nsss_switch_end(&a, NSSS_SWITCH_SHADOW) ; + return &nsss_shadow_here ; + + fallback: + errno = e ; + return nsss_unix_getspnam(name) ; +} diff --git a/src/libnsss/nsss_all_getspnam_r.c b/src/libnsss/nsss_all_getspnam_r.c new file mode 100644 index 0000000..0cee461 --- /dev/null +++ b/src/libnsss/nsss_all_getspnam_r.c @@ -0,0 +1,39 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/config.h> +#include <nsss/shadow-unix.h> +#include <nsss/shadow-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +int nsss_all_getspnam_r (char const *name, struct spwd *sp, char *buf, size_t buflen, struct spwd **spp) +{ + struct spwd sp2 ; + stralloc sa = STRALLOC_ZERO ; + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_SHADOW, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + errno = 0 ; + if (!nsss_switch_shadow_getbyname(&a, &sp2, &sa, name, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_SHADOW) ; + *spp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_switch_end(&a, NSSS_SWITCH_SHADOW) ; + if (!nsss_shadow_copy(sp, buf, buflen, &sp2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *spp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *spp = sp ; + return (errno = e, 0) ; + + fallback: + errno = e ; + return nsss_unix_getspnam_r(name, sp, buf, buflen, spp) ; +} diff --git a/src/libnsss/nsss_all_setgrent.c b/src/libnsss/nsss_all_setgrent.c new file mode 100644 index 0000000..78fee56 --- /dev/null +++ b/src/libnsss/nsss_all_setgrent.c @@ -0,0 +1,22 @@ +/* ISC license. */ + +#include <errno.h> +#include <nsss/config.h> +#include <nsss/grp-unix.h> +#include <nsss/grp-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" +#include "nsss-all-internal.h" + +void nsss_all_setgrent (void) +{ + int e = errno ; + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + nsss_switch_grp_rewind(&nsss_switch_here, 0, 0) ; + return ; + + fallback: + nsss_all_errno = errno ; + errno = e ; + nsss_unix_setgrent() ; +} diff --git a/src/libnsss/nsss_all_setpwent.c b/src/libnsss/nsss_all_setpwent.c new file mode 100644 index 0000000..e22411a --- /dev/null +++ b/src/libnsss/nsss_all_setpwent.c @@ -0,0 +1,22 @@ +/* ISC license. */ + +#include <errno.h> +#include <nsss/config.h> +#include <nsss/pwd-unix.h> +#include <nsss/pwd-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" +#include "nsss-all-internal.h" + +void nsss_all_setpwent (void) +{ + int e = errno ; + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + nsss_switch_pwd_rewind(&nsss_switch_here, 0, 0) ; + return ; + + fallback: + nsss_all_errno = errno ; + errno = e ; + nsss_unix_setpwent() ; +} diff --git a/src/libnsss/nsss_all_setspent.c b/src/libnsss/nsss_all_setspent.c new file mode 100644 index 0000000..ab6c456 --- /dev/null +++ b/src/libnsss/nsss_all_setspent.c @@ -0,0 +1,22 @@ +/* ISC license. */ + +#include <errno.h> +#include <nsss/config.h> +#include <nsss/shadow-unix.h> +#include <nsss/shadow-all.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" +#include "nsss-all-internal.h" + +void nsss_all_setspent (void) +{ + int e = errno ; + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_SHADOW, NSSS_NSSSD_PATH, 0, 0)) goto fallback ; + nsss_switch_shadow_rewind(&nsss_switch_here, 0, 0) ; + return ; + + fallback: + nsss_all_errno = errno ; + errno = e ; + nsss_unix_setspent() ; +} diff --git a/src/libnsss/nsss_grp_copy.c b/src/libnsss/nsss_grp_copy.c new file mode 100644 index 0000000..684996e --- /dev/null +++ b/src/libnsss/nsss_grp_copy.c @@ -0,0 +1,27 @@ +/* ISC license. */ + +#include <stdint.h> +#include <string.h> +#include <errno.h> +#include "nsss-internal.h" + +int nsss_grp_copy (struct group *gr, char *buf, size_t buflen, struct group const *gr2, char const *s, size_t len, char *const *p, size_t n) +{ + char **q ; + size_t offset = (uintptr_t)buf % 16 ; + offset = offset ? 16 - offset : 0 ; + if (buflen < offset) return (errno = ERANGE, 0) ; + buf += offset ; buflen -= offset ; + offset = (n+1) * sizeof(char *) ; + if (buflen < offset || buflen - offset < len) return (errno = ERANGE, 0) ; + q = (char **)buf ; + gr->gr_mem = q ; + buf += offset ; + memcpy(buf, s, len) ; + for (size_t i = 0 ; i < n ; i++) q[i] = buf + (p[i] - s) ; + q[n] = 0 ; + gr->gr_name = buf + (gr2->gr_name - s) ; + gr->gr_passwd = buf + (gr2->gr_passwd - s) ; + gr->gr_gid = gr2->gr_gid ; + return 1 ; +} diff --git a/src/libnsss/nsss_grp_here.c b/src/libnsss/nsss_grp_here.c new file mode 100644 index 0000000..9b64ffd --- /dev/null +++ b/src/libnsss/nsss_grp_here.c @@ -0,0 +1,10 @@ +/* ISC license. */ + +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/grp-def.h> +#include "nsss-internal.h" + +struct group nsss_grp_here ; +stralloc nsss_grp_sa_here = STRALLOC_ZERO ; +genalloc nsss_grp_ga_here = GENALLOC_ZERO ; diff --git a/src/libnsss/nsss_pwd_copy.c b/src/libnsss/nsss_pwd_copy.c new file mode 100644 index 0000000..e163cf2 --- /dev/null +++ b/src/libnsss/nsss_pwd_copy.c @@ -0,0 +1,19 @@ +/* ISC license. */ + +#include <string.h> +#include <errno.h> +#include "nsss-internal.h" + +int nsss_pwd_copy (struct passwd *pw, char *buf, size_t buflen, struct passwd const *pw2, char const *s, size_t len) +{ + if (len > buflen) return (errno = ERANGE, 0) ; + memcpy(buf, s, len) ; + pw->pw_name = buf + (pw2->pw_name - s) ; + pw->pw_passwd = buf + (pw2->pw_passwd - s) ; + pw->pw_uid = pw2->pw_uid ; + pw->pw_gid = pw2->pw_gid ; + pw->pw_gecos = buf + (pw2->pw_gecos - s) ; + pw->pw_dir = buf + (pw2->pw_dir - s) ; + pw->pw_shell = buf + (pw2->pw_shell - s) ; + return 1 ; +} diff --git a/src/libnsss/nsss_pwd_here.c b/src/libnsss/nsss_pwd_here.c new file mode 100644 index 0000000..fdb95a4 --- /dev/null +++ b/src/libnsss/nsss_pwd_here.c @@ -0,0 +1,8 @@ +/* ISC license. */ + +#include <skalibs/stralloc.h> +#include <nsss/pwd-def.h> +#include "nsss-internal.h" + +struct passwd nsss_pwd_here ; +stralloc nsss_pwd_sa_here = STRALLOC_ZERO ; diff --git a/src/libnsss/nsss_shadow_copy.c b/src/libnsss/nsss_shadow_copy.c new file mode 100644 index 0000000..bb629db --- /dev/null +++ b/src/libnsss/nsss_shadow_copy.c @@ -0,0 +1,21 @@ +/* ISC license. */ + +#include <string.h> +#include <errno.h> +#include "nsss-internal.h" + +int nsss_shadow_copy (struct spwd *sp, char *buf, size_t buflen, struct spwd const *sp2, char const *s, size_t len) +{ + if (len > buflen) return (errno = ERANGE, 0) ; + memcpy(buf, s, len) ; + sp->sp_namp = buf + (sp2->sp_namp - s) ; + sp->sp_pwdp = buf + (sp2->sp_pwdp - s) ; + sp->sp_lstchg = sp2->sp_lstchg ; + sp->sp_min = sp2->sp_min ; + sp->sp_max = sp2->sp_max ; + sp->sp_warn = sp2->sp_warn ; + sp->sp_inact = sp2->sp_inact ; + sp->sp_expire = sp2->sp_expire ; + sp->sp_flag = sp2->sp_flag ; + return 1 ; +} diff --git a/src/libnsss/nsss_shadow_here.c b/src/libnsss/nsss_shadow_here.c new file mode 100644 index 0000000..ecf83c9 --- /dev/null +++ b/src/libnsss/nsss_shadow_here.c @@ -0,0 +1,8 @@ +/* ISC license. */ + +#include <skalibs/stralloc.h> +#include <nsss/shadow-def.h> +#include "nsss-internal.h" + +struct spwd nsss_shadow_here ; +stralloc nsss_shadow_sa_here = STRALLOC_ZERO ; diff --git a/src/libnsss/nsss_switch_end.c b/src/libnsss/nsss_switch_end.c new file mode 100644 index 0000000..3922721 --- /dev/null +++ b/src/libnsss/nsss_switch_end.c @@ -0,0 +1,17 @@ +/* ISC license. */ + +#include <skalibs/buffer.h> +#include <skalibs/djbunix.h> +#include <nsss/nsss-switch.h> + +static inline void nsss_switch_disconnect (nsss_switch_t *a) +{ + fd_close(buffer_fd(&a->b)) ; + a->b.fd = -1 ; +} + +void nsss_switch_end (nsss_switch_t *a, unsigned int what) +{ + a->held &= ~(1U << what) ; + if (!a->held) nsss_switch_disconnect(a) ; +} diff --git a/src/libnsss/nsss_switch_endgrent.c b/src/libnsss/nsss_switch_endgrent.c new file mode 100644 index 0000000..8ae43ea --- /dev/null +++ b/src/libnsss/nsss_switch_endgrent.c @@ -0,0 +1,10 @@ +/* ISC license. */ + +#include <nsss/grp-switch.h> +#include "nsss-switch-internal.h" + +void nsss_switch_endgrent (void) +{ + nsss_switch_grp_end(&nsss_switch_here, 0, 0) ; + nsss_switch_end(&nsss_switch_here, NSSS_SWITCH_GRP) ; +} diff --git a/src/libnsss/nsss_switch_endpwent.c b/src/libnsss/nsss_switch_endpwent.c new file mode 100644 index 0000000..8dbec92 --- /dev/null +++ b/src/libnsss/nsss_switch_endpwent.c @@ -0,0 +1,10 @@ +/* ISC license. */ + +#include <nsss/pwd-switch.h> +#include "nsss-switch-internal.h" + +void nsss_switch_endpwent (void) +{ + nsss_switch_pwd_end(&nsss_switch_here, 0, 0) ; + nsss_switch_end(&nsss_switch_here, NSSS_SWITCH_PWD) ; +} diff --git a/src/libnsss/nsss_switch_endspent.c b/src/libnsss/nsss_switch_endspent.c new file mode 100644 index 0000000..8527072 --- /dev/null +++ b/src/libnsss/nsss_switch_endspent.c @@ -0,0 +1,10 @@ +/* ISC license. */ + +#include <nsss/shadow-switch.h> +#include "nsss-switch-internal.h" + +void nsss_switch_endspent (void) +{ + nsss_switch_shadow_end(&nsss_switch_here, 0, 0) ; + nsss_switch_end(&nsss_switch_here, NSSS_SWITCH_SHADOW) ; +} diff --git a/src/libnsss/nsss_switch_getgrent.c b/src/libnsss/nsss_switch_getgrent.c new file mode 100644 index 0000000..6a6c8dc --- /dev/null +++ b/src/libnsss/nsss_switch_getgrent.c @@ -0,0 +1,17 @@ +/* ISC license. */ + +#include <skalibs/genalloc.h> +#include <nsss/config.h> +#include <nsss/grp-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" +#include "nsss-switch-internal.h" + +struct group *nsss_switch_getgrent (void) +{ + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) return 0 ; + nsss_grp_sa_here.len = 0 ; + genalloc_setlen(char *, &nsss_grp_ga_here, 0) ; + if (!nsss_switch_grp_get(&nsss_switch_here, &nsss_grp_here, &nsss_grp_sa_here, &nsss_grp_ga_here, 0, 0)) return 0 ; + return &nsss_grp_here ; +} diff --git a/src/libnsss/nsss_switch_getgrent_r.c b/src/libnsss/nsss_switch_getgrent_r.c new file mode 100644 index 0000000..97a7bbd --- /dev/null +++ b/src/libnsss/nsss_switch_getgrent_r.c @@ -0,0 +1,36 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/config.h> +#include <nsss/grp-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" +#include "nsss-switch-internal.h" + +int nsss_switch_getgrent_r (struct group *gr, char *buf, size_t buflen, struct group **grp) +{ + struct group gr2 ; + stralloc sa = STRALLOC_ZERO ; + genalloc ga = GENALLOC_ZERO ; + int e ; + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) return errno ; + e = errno ; + errno = 0 ; + if (!nsss_switch_grp_get(&nsss_switch_here, &gr2, &sa, &ga, 0, 0)) + { + *grp = 0 ; + if (!errno) errno = ENOENT ; + return errno ; + } + if (!nsss_grp_copy(gr, buf, buflen, &gr2, sa.s, sa.len, genalloc_s(char *, &ga), genalloc_len(char *, &ga))) + { + stralloc_free(&sa) ; + *grp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *grp = gr ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_switch_getgrgid.c b/src/libnsss/nsss_switch_getgrgid.c new file mode 100644 index 0000000..65dbeef --- /dev/null +++ b/src/libnsss/nsss_switch_getgrgid.c @@ -0,0 +1,22 @@ +/* ISC license. */ + +#include <skalibs/genalloc.h> +#include <nsss/config.h> +#include <nsss/grp-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +struct group *nsss_switch_getgrgid (gid_t gid) +{ + nsss_switch_t a = NSSS_SWITCH_ZERO ; + if (!nsss_switch_start(&a, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) return 0 ; + nsss_grp_sa_here.len = 0 ; + genalloc_setlen(char *, &nsss_grp_ga_here, 0) ; + if (!nsss_switch_grp_getbygid(&a, &nsss_grp_here, &nsss_grp_sa_here, &nsss_grp_ga_here, gid, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + return 0 ; + } + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + return &nsss_grp_here ; +} diff --git a/src/libnsss/nsss_switch_getgrgid_r.c b/src/libnsss/nsss_switch_getgrgid_r.c new file mode 100644 index 0000000..c87b57d --- /dev/null +++ b/src/libnsss/nsss_switch_getgrgid_r.c @@ -0,0 +1,36 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/config.h> +#include <nsss/grp-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +int nsss_switch_getgrgid_r (gid_t gid, struct group *gr, char *buf, size_t buflen, struct group **grp) +{ + struct group gr2 ; + stralloc sa = STRALLOC_ZERO ; + genalloc ga = GENALLOC_ZERO ; + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) return errno ; + errno = 0 ; + if (!nsss_switch_grp_getbygid(&a, &gr2, &sa, &ga, gid, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + *grp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + if (!nsss_grp_copy(gr, buf, buflen, &gr2, sa.s, sa.len, genalloc_s(char *, &ga), genalloc_len(char *, &ga))) + { + stralloc_free(&sa) ; + *grp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *grp = gr ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_switch_getgrnam.c b/src/libnsss/nsss_switch_getgrnam.c new file mode 100644 index 0000000..396f44e --- /dev/null +++ b/src/libnsss/nsss_switch_getgrnam.c @@ -0,0 +1,22 @@ +/* ISC license. */ + +#include <skalibs/genalloc.h> +#include <nsss/config.h> +#include <nsss/grp-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +struct group *nsss_switch_getgrnam (char const *name) +{ + nsss_switch_t a = NSSS_SWITCH_ZERO ; + if (!nsss_switch_start(&a, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) return 0 ; + nsss_grp_sa_here.len = 0 ; + genalloc_setlen(char *, &nsss_grp_ga_here, 0) ; + if (!nsss_switch_grp_getbyname(&a, &nsss_grp_here, &nsss_grp_sa_here, &nsss_grp_ga_here, name, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + return 0 ; + } + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + return &nsss_grp_here ; +} diff --git a/src/libnsss/nsss_switch_getgrnam_r.c b/src/libnsss/nsss_switch_getgrnam_r.c new file mode 100644 index 0000000..e6d00ec --- /dev/null +++ b/src/libnsss/nsss_switch_getgrnam_r.c @@ -0,0 +1,36 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/config.h> +#include <nsss/grp-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +int nsss_switch_getgrnam_r (char const *name, struct group *gr, char *buf, size_t buflen, struct group **grp) +{ + struct group gr2 ; + stralloc sa = STRALLOC_ZERO ; + genalloc ga = GENALLOC_ZERO ; + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) return errno ; + errno = 0 ; + if (!nsss_switch_grp_getbyname(&a, &gr2, &sa, &ga, name, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + *grp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_switch_end(&a, NSSS_SWITCH_GRP) ; + if (!nsss_grp_copy(gr, buf, buflen, &gr2, sa.s, sa.len, genalloc_s(char *, &ga), genalloc_len(char *, &ga))) + { + stralloc_free(&sa) ; + *grp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *grp = gr ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_switch_getpwent.c b/src/libnsss/nsss_switch_getpwent.c new file mode 100644 index 0000000..89cabfd --- /dev/null +++ b/src/libnsss/nsss_switch_getpwent.c @@ -0,0 +1,15 @@ +/* ISC license. */ + +#include <nsss/config.h> +#include <nsss/pwd-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" +#include "nsss-switch-internal.h" + +struct passwd *nsss_switch_getpwent (void) +{ + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) return 0 ; + nsss_pwd_sa_here.len = 0 ; + if (!nsss_switch_pwd_get(&nsss_switch_here, &nsss_pwd_here, &nsss_pwd_sa_here, 0, 0)) return 0 ; + return &nsss_pwd_here ; +} diff --git a/src/libnsss/nsss_switch_getpwent_r.c b/src/libnsss/nsss_switch_getpwent_r.c new file mode 100644 index 0000000..7795af0 --- /dev/null +++ b/src/libnsss/nsss_switch_getpwent_r.c @@ -0,0 +1,34 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/config.h> +#include <nsss/pwd-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" +#include "nsss-switch-internal.h" + +int nsss_switch_getpwent_r (struct passwd *pw, char *buf, size_t buflen, struct passwd **pwp) +{ + struct passwd pw2 ; + stralloc sa = STRALLOC_ZERO ; + int e ; + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) return errno ; + e = errno ; + errno = 0 ; + if (!nsss_switch_pwd_get(&nsss_switch_here, &pw2, &sa, 0, 0)) + { + *pwp = 0 ; + if (!errno) errno = ENOENT ; + return errno ; + } + if (!nsss_pwd_copy(pw, buf, buflen, &pw2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *pwp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *pwp = pw ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_switch_getpwnam.c b/src/libnsss/nsss_switch_getpwnam.c new file mode 100644 index 0000000..393503d --- /dev/null +++ b/src/libnsss/nsss_switch_getpwnam.c @@ -0,0 +1,20 @@ +/* ISC license. */ + +#include <nsss/config.h> +#include <nsss/pwd-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +struct passwd *nsss_switch_getpwnam (char const *name) +{ + nsss_switch_t a = NSSS_SWITCH_ZERO ; + if (!nsss_switch_start(&a, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) return 0 ; + nsss_pwd_sa_here.len = 0 ; + if (!nsss_switch_pwd_getbyname(&a, &nsss_pwd_here, &nsss_pwd_sa_here, name, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + return 0 ; + } + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + return &nsss_pwd_here ; +} diff --git a/src/libnsss/nsss_switch_getpwnam_r.c b/src/libnsss/nsss_switch_getpwnam_r.c new file mode 100644 index 0000000..e1c1e71 --- /dev/null +++ b/src/libnsss/nsss_switch_getpwnam_r.c @@ -0,0 +1,34 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/config.h> +#include <nsss/pwd-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +int nsss_switch_getpwnam_r (char const *name, struct passwd *pw, char *buf, size_t buflen, struct passwd **pwp) +{ + struct passwd pw2 ; + stralloc sa = STRALLOC_ZERO ; + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) return errno ; + errno = 0 ; + if (!nsss_switch_pwd_getbyname(&a, &pw2, &sa, name, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + *pwp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + if (!nsss_pwd_copy(pw, buf, buflen, &pw2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *pwp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *pwp = pw ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_switch_getpwuid.c b/src/libnsss/nsss_switch_getpwuid.c new file mode 100644 index 0000000..3d765bf --- /dev/null +++ b/src/libnsss/nsss_switch_getpwuid.c @@ -0,0 +1,20 @@ +/* ISC license. */ + +#include <nsss/config.h> +#include <nsss/pwd-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +struct passwd *nsss_switch_getpwuid (uid_t uid) +{ + nsss_switch_t a = NSSS_SWITCH_ZERO ; + if (!nsss_switch_start(&a, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) return 0 ; + nsss_pwd_sa_here.len = 0 ; + if (!nsss_switch_pwd_getbyuid(&a, &nsss_pwd_here, &nsss_pwd_sa_here, uid, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + return 0 ; + } + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + return &nsss_pwd_here ; +} diff --git a/src/libnsss/nsss_switch_getpwuid_r.c b/src/libnsss/nsss_switch_getpwuid_r.c new file mode 100644 index 0000000..8e63a75 --- /dev/null +++ b/src/libnsss/nsss_switch_getpwuid_r.c @@ -0,0 +1,34 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/config.h> +#include <nsss/pwd-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +int nsss_switch_getpwuid_r (uid_t uid, struct passwd *pw, char *buf, size_t buflen, struct passwd **pwp) +{ + struct passwd pw2 ; + stralloc sa = STRALLOC_ZERO ; + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) return errno ; + errno = 0 ; + if (!nsss_switch_pwd_getbyuid(&a, &pw2, &sa, uid, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + *pwp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_switch_end(&a, NSSS_SWITCH_PWD) ; + if (!nsss_pwd_copy(pw, buf, buflen, &pw2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *pwp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *pwp = pw ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_switch_getspent.c b/src/libnsss/nsss_switch_getspent.c new file mode 100644 index 0000000..65064a1 --- /dev/null +++ b/src/libnsss/nsss_switch_getspent.c @@ -0,0 +1,15 @@ +/* ISC license. */ + +#include <nsss/config.h> +#include <nsss/shadow-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" +#include "nsss-switch-internal.h" + +struct spwd *nsss_switch_getspent (void) +{ + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_SHADOW, NSSS_NSSSD_PATH, 0, 0)) return 0 ; + nsss_shadow_sa_here.len = 0 ; + if (!nsss_switch_shadow_get(&nsss_switch_here, &nsss_shadow_here, &nsss_shadow_sa_here, 0, 0)) return 0 ; + return &nsss_shadow_here ; +} diff --git a/src/libnsss/nsss_switch_getspent_r.c b/src/libnsss/nsss_switch_getspent_r.c new file mode 100644 index 0000000..118e095 --- /dev/null +++ b/src/libnsss/nsss_switch_getspent_r.c @@ -0,0 +1,34 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/config.h> +#include <nsss/shadow-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" +#include "nsss-switch-internal.h" + +int nsss_switch_getspent_r (struct spwd *sp, char *buf, size_t buflen, struct spwd **spp) +{ + struct spwd sp2 ; + stralloc sa = STRALLOC_ZERO ; + int e ; + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_SHADOW, NSSS_NSSSD_PATH, 0, 0)) return errno ; + e = errno ; + errno = 0 ; + if (!nsss_switch_shadow_get(&nsss_switch_here, &sp2, &sa, 0, 0)) + { + *spp = 0 ; + if (!errno) errno = ENOENT ; + return errno ; + } + if (!nsss_shadow_copy(sp, buf, buflen, &sp2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *spp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *spp = sp ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_switch_getspnam.c b/src/libnsss/nsss_switch_getspnam.c new file mode 100644 index 0000000..01184ec --- /dev/null +++ b/src/libnsss/nsss_switch_getspnam.c @@ -0,0 +1,20 @@ +/* ISC license. */ + +#include <nsss/config.h> +#include <nsss/shadow-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +struct spwd *nsss_switch_getspnam (char const *name) +{ + nsss_switch_t a = NSSS_SWITCH_ZERO ; + if (!nsss_switch_start(&a, NSSS_SWITCH_SHADOW, NSSS_NSSSD_PATH, 0, 0)) return 0 ; + nsss_shadow_sa_here.len = 0 ; + if (!nsss_switch_shadow_getbyname(&a, &nsss_shadow_here, &nsss_shadow_sa_here, name, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_SHADOW) ; + return 0 ; + } + nsss_switch_end(&a, NSSS_SWITCH_SHADOW) ; + return &nsss_shadow_here ; +} diff --git a/src/libnsss/nsss_switch_getspnam_r.c b/src/libnsss/nsss_switch_getspnam_r.c new file mode 100644 index 0000000..9c6b86f --- /dev/null +++ b/src/libnsss/nsss_switch_getspnam_r.c @@ -0,0 +1,34 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/config.h> +#include <nsss/shadow-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-internal.h" + +int nsss_switch_getspnam_r (char const *name, struct spwd *sp, char *buf, size_t buflen, struct spwd **spp) +{ + struct spwd sp2 ; + stralloc sa = STRALLOC_ZERO ; + nsss_switch_t a = NSSS_SWITCH_ZERO ; + int e = errno ; + if (!nsss_switch_start(&a, NSSS_SWITCH_SHADOW, NSSS_NSSSD_PATH, 0, 0)) return errno ; + errno = 0 ; + if (!nsss_switch_shadow_getbyname(&a, &sp2, &sa, name, 0, 0)) + { + nsss_switch_end(&a, NSSS_SWITCH_SHADOW) ; + *spp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_switch_end(&a, NSSS_SWITCH_SHADOW) ; + if (!nsss_shadow_copy(sp, buf, buflen, &sp2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *spp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *spp = sp ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_switch_grp_end.c b/src/libnsss/nsss_switch_grp_end.c new file mode 100644 index 0000000..3b25cdf --- /dev/null +++ b/src/libnsss/nsss_switch_grp_end.c @@ -0,0 +1,9 @@ +/* ISC license. */ + +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_grent_end (nsss_switch_t *a, tain_t const *deadline, tain_t *stamp) +{ + return nsss_switch_op(a, NSSS_SWITCH_GRP_END, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_grp_get.c b/src/libnsss/nsss_switch_grp_get.c new file mode 100644 index 0000000..4cfb67e --- /dev/null +++ b/src/libnsss/nsss_switch_grp_get.c @@ -0,0 +1,17 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/buffer.h> +#include <skalibs/unix-timed.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_grp_get (nsss_switch_t *a, struct group *gr, stralloc *sa, genalloc *ga, tain_t const *deadline, tain_t *stamp) +{ + char c = NSSS_SWITCH_GRP_GET ; + if (!ipc_timed_send(buffer_fd(&a->b), &c, 1, deadline, stamp)) return 0 ; + if (!buffer_timed_get(&a->b, &c, 1, deadline, stamp)) return 0 ; + if ((unsigned char)c == 255) return 0 ; + if (c) return (errno = c, 0) ; + return nsss_switch_grp_read(&a->b, gr, sa, ga, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_grp_getbygid.c b/src/libnsss/nsss_switch_grp_getbygid.c new file mode 100644 index 0000000..3b9802b --- /dev/null +++ b/src/libnsss/nsss_switch_grp_getbygid.c @@ -0,0 +1,19 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/uint32.h> +#include <skalibs/buffer.h> +#include <skalibs/unix-timed.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_grp_getbygid (nsss_switch_t *a, struct group *gr, stralloc *sa, genalloc *ga, gid_t gid, tain_t const *deadline, tain_t *stamp) +{ + char buf[5] = { NSSS_SWITCH_GRP_GETBYGID } ; + uint32_pack_big(buf + 1, gid) ; + if (!ipc_timed_send(buffer_fd(&a->b), buf, 5, deadline, stamp)) return 0 ; + if (!buffer_timed_get(&a->b, &buf[0], 1, deadline, stamp)) return 0 ; + if ((unsigned char)buf[0] == 255) return 0 ; + if (buf[0]) return (errno = buf[0], 0) ; + return nsss_switch_grp_read(&a->b, gr, sa, ga, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_grp_getbyname.c b/src/libnsss/nsss_switch_grp_getbyname.c new file mode 100644 index 0000000..2ece9d2 --- /dev/null +++ b/src/libnsss/nsss_switch_grp_getbyname.c @@ -0,0 +1,24 @@ +/* ISC license. */ + +#include <string.h> +#include <sys/uio.h> +#include <errno.h> +#include <skalibs/uint32.h> +#include <skalibs/buffer.h> +#include <skalibs/unix-timed.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_grp_getbyname (nsss_switch_t *a, struct group *gr, stralloc *sa, genalloc *ga, char const *name, tain_t const *deadline, tain_t *stamp) +{ + char buf[5] = { NSSS_SWITCH_GRP_GETBYNAME } ; + size_t len = strlen(name) ; + struct iovec v[2] = { { .iov_base = buf, .iov_len = 5 }, { .iov_base = (char *)name, .iov_len = len + 1 } } ; + if (len > NSSS_SWITCH_NAME_MAXLEN - 1) return (errno = EINVAL, 0) ; + uint32_pack_big(buf + 1, len + 1) ; + if (!ipc_timed_sendv(buffer_fd(&a->b), v, 2, deadline, stamp)) return 0 ; + if (!buffer_timed_get(&a->b, &buf[0], 1, deadline, stamp)) return 0 ; + if ((unsigned char)buf[0] == 255) return 0 ; + if (buf[0]) return (errno = buf[0], 0) ; + return nsss_switch_grp_read(&a->b, gr, sa, ga, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_grp_read.c b/src/libnsss/nsss_switch_grp_read.c new file mode 100644 index 0000000..6152484 --- /dev/null +++ b/src/libnsss/nsss_switch_grp_read.c @@ -0,0 +1,58 @@ +/* ISC license. */ + +#include <stdint.h> +#include <string.h> +#include <errno.h> +#include <skalibs/posixplz.h> +#include <skalibs/uint32.h> +#include <skalibs/error.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <skalibs/unix-timed.h> +#include <nsss/grp-def.h> +#include "nsss-switch-internal.h" + +/* + Expects: + 4 bytes gr_gid + 4 bytes total length of strings (including \0's) + 4 bytes number of strings in gr_mem (n) + \0-terminated gr_name + \0-terminated gr_passwd + sequence of n \0-terminated elements in gr_mem +*/ + +int nsss_switch_grp_read (buffer *b, struct group *gr, stralloc *sa, genalloc *ga, tain_t const *deadline, tain_t *stamp) +{ + struct group grtmp ; + uint32_t total, len, n, x ; + char **q ; + char *p ; + char buf[12] ; + if (!buffer_timed_get(b, buf, 12, deadline, stamp)) return 0 ; + uint32_unpack_big(buf, &x) ; grtmp.gr_gid = x ; + uint32_unpack_big(buf + 4, &total) ; + uint32_unpack_big(buf + 8, &n) ; + if (n >= 0x30000000u) return (errno = EPROTO, 0) ; + if (!stralloc_readyplus(sa, total)) return 0 ; + if (!genalloc_readyplus(char *, ga, n+1)) return 0 ; + if (!buffer_timed_get(b, sa->s + sa->len, total, deadline, stamp)) return 0 ; + if (sa->s[sa->len + total - 1]) return (errno = EPROTO, 0) ; + p = sa->s + sa->len ; len = total ; + q = genalloc_s(char *, ga) + genalloc_len(char *, ga) ; + grtmp.gr_mem = q ; + grtmp.gr_name = p ; x = strnlen(p, len) + 1 ; p += x ; len -= x ; + if (!len) return (errno = EPROTO, 0) ; + grtmp.gr_passwd = p ; x = strnlen(p, len) + 1 ; p += x ; len -= x ; + for (uint32_t i = 0 ; i < n ; i++) + { + if (!len) return (errno = EPROTO, 0) ; + q[i] = p ; x = strnlen(p, len) + 1 ; p += x ; len -= x ; + } + if (len) return (errno = EPROTO, 0) ; + q[n] = 0 ; + sa->len += total ; + genalloc_setlen(char *, ga, genalloc_len(char *, ga) + n + 1) ; + *gr = grtmp ; + return 1 ; +} diff --git a/src/libnsss/nsss_switch_grp_rewind.c b/src/libnsss/nsss_switch_grp_rewind.c new file mode 100644 index 0000000..347b071 --- /dev/null +++ b/src/libnsss/nsss_switch_grp_rewind.c @@ -0,0 +1,9 @@ +/* ISC license. */ + +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_grp_rewind (nsss_switch_t *a, tain_t const *deadline, tain_t *stamp) +{ + return nsss_switch_op(a, NSSS_SWITCH_GRP_REWIND, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_here.c b/src/libnsss/nsss_switch_here.c new file mode 100644 index 0000000..994974b --- /dev/null +++ b/src/libnsss/nsss_switch_here.c @@ -0,0 +1,6 @@ +/* ISC license. */ + +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +nsss_switch_t nsss_switch_here = NSSS_SWITCH_ZERO ; diff --git a/src/libnsss/nsss_switch_op.c b/src/libnsss/nsss_switch_op.c new file mode 100644 index 0000000..8b5bee3 --- /dev/null +++ b/src/libnsss/nsss_switch_op.c @@ -0,0 +1,16 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/buffer.h> +#include <skalibs/unix-timed.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_op (nsss_switch_t *a, char op, tain_t const *deadline, tain_t *stamp) +{ + char c ; + if (!ipc_timed_send(buffer_fd(&a->b), &op, 1, deadline, stamp)) return 0 ; + if (!buffer_timed_get(&a->b, &c, 1, deadline, stamp)) return 0 ; + if (c) return (errno = c, 0) ; + return 1 ; +} diff --git a/src/libnsss/nsss_switch_pwd_end.c b/src/libnsss/nsss_switch_pwd_end.c new file mode 100644 index 0000000..a082474 --- /dev/null +++ b/src/libnsss/nsss_switch_pwd_end.c @@ -0,0 +1,9 @@ +/* ISC license. */ + +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_pwd_end (nsss_switch_t *a, tain_t const *deadline, tain_t *stamp) +{ + return nsss_switch_op(a, NSSS_SWITCH_PWD_END, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_pwd_get.c b/src/libnsss/nsss_switch_pwd_get.c new file mode 100644 index 0000000..0c630f8 --- /dev/null +++ b/src/libnsss/nsss_switch_pwd_get.c @@ -0,0 +1,17 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/buffer.h> +#include <skalibs/unix-timed.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_pwd_get (nsss_switch_t *a, struct passwd *pw, stralloc *sa, tain_t const *deadline, tain_t *stamp) +{ + char c = NSSS_SWITCH_PWD_GET ; + if (!ipc_timed_send(buffer_fd(&a->b), &c, 1, deadline, stamp)) return 0 ; + if (!buffer_timed_get(&a->b, &c, 1, deadline, stamp)) return 0 ; + if ((unsigned char)c == 255) return 0 ; + if (c) return (errno = c, 0) ; + return nsss_switch_pwd_read(&a->b, pw, sa, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_pwd_getbyname.c b/src/libnsss/nsss_switch_pwd_getbyname.c new file mode 100644 index 0000000..a10d129 --- /dev/null +++ b/src/libnsss/nsss_switch_pwd_getbyname.c @@ -0,0 +1,24 @@ +/* ISC license. */ + +#include <string.h> +#include <sys/uio.h> +#include <errno.h> +#include <skalibs/uint32.h> +#include <skalibs/buffer.h> +#include <skalibs/unix-timed.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_pwd_getbyname (nsss_switch_t *a, struct passwd *pw, stralloc *sa, char const *name, tain_t const *deadline, tain_t *stamp) +{ + char buf[5] = { NSSS_SWITCH_PWD_GETBYNAME } ; + size_t len = strlen(name) ; + struct iovec v[2] = { { .iov_base = buf, .iov_len = 5 }, { .iov_base = (char *)name, .iov_len = len + 1 } } ; + if (len > NSSS_SWITCH_NAME_MAXLEN - 1) return (errno = EINVAL, 0) ; + uint32_pack_big(buf + 1, len + 1) ; + if (!ipc_timed_sendv(buffer_fd(&a->b), v, 2, deadline, stamp)) return 0 ; + if (!buffer_timed_get(&a->b, &buf[0], 1, deadline, stamp)) return 0 ; + if ((unsigned char)buf[0] == 255) return 0 ; + if (buf[0]) return (errno = buf[0], 0) ; + return nsss_switch_pwd_read(&a->b, pw, sa, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_pwd_getbyuid.c b/src/libnsss/nsss_switch_pwd_getbyuid.c new file mode 100644 index 0000000..b1d98cf --- /dev/null +++ b/src/libnsss/nsss_switch_pwd_getbyuid.c @@ -0,0 +1,19 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/uint32.h> +#include <skalibs/buffer.h> +#include <skalibs/unix-timed.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_pwd_getbyuid (nsss_switch_t *a, struct passwd *pw, stralloc *sa, uid_t uid, tain_t const *deadline, tain_t *stamp) +{ + char buf[5] = { NSSS_SWITCH_PWD_GETBYUID } ; + uint32_pack_big(buf + 1, uid) ; + if (!ipc_timed_send(buffer_fd(&a->b), buf, 5, deadline, stamp)) return 0 ; + if (!buffer_timed_get(&a->b, &buf[0], 1, deadline, stamp)) return 0 ; + if ((unsigned char)buf[0] == 255) return 0 ; + if (buf[0]) return (errno = buf[0], 0) ; + return nsss_switch_pwd_read(&a->b, pw, sa, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_pwd_read.c b/src/libnsss/nsss_switch_pwd_read.c new file mode 100644 index 0000000..936b0f4 --- /dev/null +++ b/src/libnsss/nsss_switch_pwd_read.c @@ -0,0 +1,53 @@ +/* ISC license. */ + +#include <stdint.h> +#include <string.h> +#include <errno.h> +#include <skalibs/posixplz.h> +#include <skalibs/uint32.h> +#include <skalibs/error.h> +#include <skalibs/stralloc.h> +#include <skalibs/unix-timed.h> +#include <nsss/pwd-def.h> +#include "nsss-switch-internal.h" + +/* + Expects: + 4 bytes pw_uid + 4 bytes pw_gid + 4 bytes total length of strings (including \0's) + \0-terminated pw_name + \0-terminated pw_passwd + \0-terminated pw_gecos + \0-terminated pw_dir + \0-terminated pw_shell +*/ + +int nsss_switch_pwd_read (buffer *b, struct passwd *pw, stralloc *sa, tain_t const *deadline, tain_t *stamp) +{ + struct passwd pwtmp ; + uint32_t total, len, x ; + char *p ; + char buf[12] ; + if (!buffer_timed_get(b, buf, 12, deadline, stamp)) return 0 ; + uint32_unpack_big(buf, &x) ; pwtmp.pw_uid = x ; + uint32_unpack_big(buf + 4, &x) ; pwtmp.pw_gid = x ; + uint32_unpack_big(buf + 8, &total) ; + if (!stralloc_readyplus(sa, total)) return 0 ; + if (!buffer_timed_get(b, sa->s + sa->len, total, deadline, stamp)) return 0 ; + if (sa->s[sa->len + total - 1]) return (errno = EPROTO, 0) ; + p = sa->s + sa->len ; len = total ; + pwtmp.pw_name = p ; x = strnlen(p, len) + 1 ; p += x ; len -= x ; + if (!len) return (errno = EPROTO, 0) ; + pwtmp.pw_passwd = p ; x = strnlen(p, len) + 1 ; p += x ; len -= x ; + if (!len) return (errno = EPROTO, 0) ; + pwtmp.pw_gecos = p ; x = strnlen(p, len) + 1 ; p += x ; len -= x ; + if (!len) return (errno = EPROTO, 0) ; + pwtmp.pw_dir = p ; x = strnlen(p, len) + 1 ; p += x ; len -= x ; + if (!len) return (errno = EPROTO, 0) ; + pwtmp.pw_shell = p ; x = strnlen(p, len) + 1 ; p += x ; len -= x ; + if (len) return (errno = EPROTO, 0) ; + sa->len += total ; + *pw = pwtmp ; + return 1 ; +} diff --git a/src/libnsss/nsss_switch_pwd_rewind.c b/src/libnsss/nsss_switch_pwd_rewind.c new file mode 100644 index 0000000..9920760 --- /dev/null +++ b/src/libnsss/nsss_switch_pwd_rewind.c @@ -0,0 +1,9 @@ +/* ISC license. */ + +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_pwd_rewind (nsss_switch_t *a, tain_t const *deadline, tain_t *stamp) +{ + return nsss_switch_op(a, NSSS_SWITCH_PWD_REWIND, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_setgrent.c b/src/libnsss/nsss_switch_setgrent.c new file mode 100644 index 0000000..a930568 --- /dev/null +++ b/src/libnsss/nsss_switch_setgrent.c @@ -0,0 +1,12 @@ +/* ISC license. */ + +#include <nsss/config.h> +#include <nsss/grp-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +void nsss_switch_setgrent (void) +{ + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_GRP, NSSS_NSSSD_PATH, 0, 0)) return ; + nsss_switch_grp_rewind(&nsss_switch_here, 0, 0) ; +} diff --git a/src/libnsss/nsss_switch_setpwent.c b/src/libnsss/nsss_switch_setpwent.c new file mode 100644 index 0000000..371423e --- /dev/null +++ b/src/libnsss/nsss_switch_setpwent.c @@ -0,0 +1,12 @@ +/* ISC license. */ + +#include <nsss/config.h> +#include <nsss/pwd-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +void nsss_switch_setpwent (void) +{ + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_PWD, NSSS_NSSSD_PATH, 0, 0)) return ; + nsss_switch_pwd_rewind(&nsss_switch_here, 0, 0) ; +} diff --git a/src/libnsss/nsss_switch_setspent.c b/src/libnsss/nsss_switch_setspent.c new file mode 100644 index 0000000..5f5ed8a --- /dev/null +++ b/src/libnsss/nsss_switch_setspent.c @@ -0,0 +1,12 @@ +/* ISC license. */ + +#include <nsss/config.h> +#include <nsss/shadow-switch.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +void nsss_switch_setspent (void) +{ + if (!nsss_switch_start(&nsss_switch_here, NSSS_SWITCH_SHADOW, NSSS_NSSSD_PATH, 0, 0)) return ; + nsss_switch_shadow_rewind(&nsss_switch_here, 0, 0) ; +} diff --git a/src/libnsss/nsss_switch_shadow_end.c b/src/libnsss/nsss_switch_shadow_end.c new file mode 100644 index 0000000..eb3454d --- /dev/null +++ b/src/libnsss/nsss_switch_shadow_end.c @@ -0,0 +1,9 @@ +/* ISC license. */ + +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_shadow_end (nsss_switch_t *a, tain_t const *deadline, tain_t *stamp) +{ + return nsss_switch_op(a, NSSS_SWITCH_SHADOW_END, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_shadow_get.c b/src/libnsss/nsss_switch_shadow_get.c new file mode 100644 index 0000000..e510232 --- /dev/null +++ b/src/libnsss/nsss_switch_shadow_get.c @@ -0,0 +1,17 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/buffer.h> +#include <skalibs/unix-timed.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_shadow_get (nsss_switch_t *a, struct spwd *sp, stralloc *sa, tain_t const *deadline, tain_t *stamp) +{ + char c = NSSS_SWITCH_SHADOW_GET ; + if (!ipc_timed_send(buffer_fd(&a->b), &c, 1, deadline, stamp)) return 0 ; + if (!buffer_timed_get(&a->b, &c, 1, deadline, stamp)) return 0 ; + if ((unsigned char)c == 255) return 0 ; + if (c) return (errno = c, 0) ; + return nsss_switch_shadow_read(&a->b, sp, sa, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_shadow_getbyname.c b/src/libnsss/nsss_switch_shadow_getbyname.c new file mode 100644 index 0000000..33fa426 --- /dev/null +++ b/src/libnsss/nsss_switch_shadow_getbyname.c @@ -0,0 +1,24 @@ +/* ISC license. */ + +#include <string.h> +#include <sys/uio.h> +#include <errno.h> +#include <skalibs/uint32.h> +#include <skalibs/buffer.h> +#include <skalibs/unix-timed.h> +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_shadow_getbyname (nsss_switch_t *a, struct spwd *sp, stralloc *sa, char const *name, tain_t const *deadline, tain_t *stamp) +{ + char buf[5] = { NSSS_SWITCH_SHADOW_GETBYNAME } ; + size_t len = strlen(name) ; + struct iovec v[2] = { { .iov_base = buf, .iov_len = 5 }, { .iov_base = (char *)name, .iov_len = len + 1 } } ; + if (len > NSSS_SWITCH_NAME_MAXLEN - 1) return (errno = EINVAL, 0) ; + uint32_pack_big(buf + 1, len + 1) ; + if (!ipc_timed_sendv(buffer_fd(&a->b), v, 2, deadline, stamp)) return 0 ; + if (!buffer_timed_get(&a->b, &buf[0], 1, deadline, stamp)) return 0 ; + if ((unsigned char)buf[0] == 255) return 0 ; + if (buf[0]) return (errno = buf[0], 0) ; + return nsss_switch_shadow_read(&a->b, sp, sa, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_shadow_read.c b/src/libnsss/nsss_switch_shadow_read.c new file mode 100644 index 0000000..1806c6d --- /dev/null +++ b/src/libnsss/nsss_switch_shadow_read.c @@ -0,0 +1,56 @@ +/* ISC license. */ + +#include <stdint.h> +#include <string.h> +#include <errno.h> +#include <skalibs/posixplz.h> +#include <skalibs/uint32.h> +#include <skalibs/uint64.h> +#include <skalibs/error.h> +#include <skalibs/stralloc.h> +#include <skalibs/unix-timed.h> +#include <nsss/shadow-def.h> +#include "nsss-switch-internal.h" + +/* + Expects: + 8 bytes sp_lstchg + 8 bytes sp_min + 8 bytes sp_max + 8 bytes sp_warn + 8 bytes sp_inact + 8 bytes sp_expire + 8 bytes sp_flag + 4 bytes total length of strings (including \0's) + \0-terminated sp_namp + \0-terminated sp_pwdp +*/ + +int nsss_switch_shadow_read (buffer *b, struct spwd *sp, stralloc *sa, tain_t const *deadline, tain_t *stamp) +{ + struct spwd sptmp ; + uint64_t x ; + uint32_t total, len ; + char *p ; + char buf[60] ; + if (!buffer_timed_get(b, buf, 60, deadline, stamp)) return 0 ; + uint64_unpack_big(buf, &x) ; sptmp.sp_lstchg = x ; + uint64_unpack_big(buf + 8, &x) ; sptmp.sp_min = x ; + uint64_unpack_big(buf + 16, &x) ; sptmp.sp_max = x ; + uint64_unpack_big(buf + 24, &x) ; sptmp.sp_warn = x ; + uint64_unpack_big(buf + 32, &x) ; sptmp.sp_inact = x ; + uint64_unpack_big(buf + 40, &x) ; sptmp.sp_expire = x ; + uint64_unpack_big(buf + 48, &x) ; sptmp.sp_flag = x ; + uint32_unpack_big(buf + 56, &total) ; + if (!stralloc_readyplus(sa, total)) return 0 ; + if (!buffer_timed_get(b, sa->s + sa->len, total, deadline, stamp)) return 0 ; + if (sa->s[sa->len + total - 1]) return (errno = EPROTO, 0) ; + p = sa->s + sa->len ; len = total ; + sptmp.sp_namp = p ; x = strnlen(p, len) + 1 ; p += x ; len -= x ; + if (!len) return (errno = EPROTO, 0) ; + sptmp.sp_pwdp = p ; x = strnlen(p, len) + 1 ; p += x ; len -= x ; + if (len) return (errno = EPROTO, 0) ; + sa->len += total ; + *sp = sptmp ; + return 1 ; +} diff --git a/src/libnsss/nsss_switch_shadow_rewind.c b/src/libnsss/nsss_switch_shadow_rewind.c new file mode 100644 index 0000000..449f25c --- /dev/null +++ b/src/libnsss/nsss_switch_shadow_rewind.c @@ -0,0 +1,9 @@ +/* ISC license. */ + +#include <nsss/nsss-switch.h> +#include "nsss-switch-internal.h" + +int nsss_switch_shadow_rewind (nsss_switch_t *a, tain_t const *deadline, tain_t *stamp) +{ + return nsss_switch_op(a, NSSS_SWITCH_SHADOW_REWIND, deadline, stamp) ; +} diff --git a/src/libnsss/nsss_switch_start.c b/src/libnsss/nsss_switch_start.c new file mode 100644 index 0000000..5d7a183 --- /dev/null +++ b/src/libnsss/nsss_switch_start.c @@ -0,0 +1,26 @@ +/* ISC license. */ + +#include <skalibs/buffer.h> +#include <skalibs/djbunix.h> +#include <skalibs/webipc.h> +#include <nsss/nsss-switch.h> + +static inline int nsss_switch_connect (nsss_switch_t *a, char const *path, tain_t const *deadline, tain_t *stamp) +{ + int fd = ipc_stream_nbcoe() ; + if (fd < 0) return 0 ; + if (!ipc_timed_connect(fd, path, deadline, stamp)) + { + fd_close(fd) ; + return 0 ; + } + buffer_init(&a->b, &buffer_read, fd, a->buf, NSSS_SWITCH_BUFSIZE) ; + return 1 ; +} + +int nsss_switch_start (nsss_switch_t *a, unsigned int what, char const *path, tain_t const *deadline, tain_t *stamp) +{ + if (!a->held && !nsss_switch_connect(a, path, deadline, stamp)) return 0 ; + a->held |= (1U << what) ; + return 1 ; +} diff --git a/src/libnsss/nsss_unix_end.c b/src/libnsss/nsss_unix_end.c new file mode 100644 index 0000000..1d6b867 --- /dev/null +++ b/src/libnsss/nsss_unix_end.c @@ -0,0 +1,11 @@ +/* ISC license. */ + +#include <skalibs/buffer.h> +#include <skalibs/djbunix.h> +#include <nsss/nsss-unix.h> + +void nsss_unix_end (nsss_unix_t *a) +{ + fd_close(buffer_fd(&a->b)) ; + a->b.fd = -1 ; +} diff --git a/src/libnsss/nsss_unix_endgrent.c b/src/libnsss/nsss_unix_endgrent.c new file mode 100644 index 0000000..58c2422 --- /dev/null +++ b/src/libnsss/nsss_unix_endgrent.c @@ -0,0 +1,9 @@ +/* ISC license. */ + +#include <nsss/grp-unix.h> +#include "nsss-unix-internal.h" + +void nsss_unix_endgrent (void) +{ + nsss_unix_grp_end(&nsss_unix_grp_here) ; +} diff --git a/src/libnsss/nsss_unix_endpwent.c b/src/libnsss/nsss_unix_endpwent.c new file mode 100644 index 0000000..c7d87af --- /dev/null +++ b/src/libnsss/nsss_unix_endpwent.c @@ -0,0 +1,9 @@ +/* ISC license. */ + +#include <nsss/pwd-unix.h> +#include "nsss-unix-internal.h" + +void nsss_unix_endpwent (void) +{ + nsss_unix_pwd_end(&nsss_unix_pwd_here) ; +} diff --git a/src/libnsss/nsss_unix_endspent.c b/src/libnsss/nsss_unix_endspent.c new file mode 100644 index 0000000..3e28e75 --- /dev/null +++ b/src/libnsss/nsss_unix_endspent.c @@ -0,0 +1,9 @@ +/* ISC license. */ + +#include <nsss/shadow-unix.h> +#include "nsss-unix-internal.h" + +void nsss_unix_endspent (void) +{ + nsss_unix_shadow_end(&nsss_unix_shadow_here) ; +} diff --git a/src/libnsss/nsss_unix_field.c b/src/libnsss/nsss_unix_field.c new file mode 100644 index 0000000..b77bb04 --- /dev/null +++ b/src/libnsss/nsss_unix_field.c @@ -0,0 +1,14 @@ +/* ISC license. */ + +#include <string.h> +#include "nsss-unix-internal.h" + +int nsss_unix_field (char **field, char **s) +{ + char *p = strchr(*s, ':') ; + if (!p) return 0 ; + *p++ = 0 ; + *field = *s ; + *s = p ; + return 1 ; +} diff --git a/src/libnsss/nsss_unix_getgrent.c b/src/libnsss/nsss_unix_getgrent.c new file mode 100644 index 0000000..e531510 --- /dev/null +++ b/src/libnsss/nsss_unix_getgrent.c @@ -0,0 +1,16 @@ +/* ISC license. */ + +#include <skalibs/genalloc.h> +#include <nsss/grp-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" +#include "nsss-unix-internal.h" + +struct group *nsss_unix_getgrent (void) +{ + if (!nsss_unix_grp_maybe_start(&nsss_unix_grp_here)) return 0 ; + nsss_grp_sa_here.len = 0 ; + genalloc_setlen(char *, &nsss_grp_ga_here, 0) ; + if (!nsss_unix_grp_get(&nsss_unix_grp_here, &nsss_grp_here, &nsss_grp_sa_here, &nsss_grp_ga_here)) return 0 ; + return &nsss_grp_here ; +} diff --git a/src/libnsss/nsss_unix_getgrent_r.c b/src/libnsss/nsss_unix_getgrent_r.c new file mode 100644 index 0000000..5ddc526 --- /dev/null +++ b/src/libnsss/nsss_unix_getgrent_r.c @@ -0,0 +1,35 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/grp-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" +#include "nsss-unix-internal.h" + +int nsss_unix_getgrent_r (struct group *gr, char *buf, size_t buflen, struct group **grp) +{ + struct group gr2 ; + stralloc sa = STRALLOC_ZERO ; + genalloc ga = GENALLOC_ZERO ; + int e ; + if (!nsss_unix_grp_maybe_start(&nsss_unix_grp_here)) return errno ; + e = errno ; + errno = 0 ; + if (!nsss_unix_grp_get(&nsss_unix_grp_here, &gr2, &sa, &ga)) + { + *grp = 0 ; + if (!errno) errno = ENOENT ; + return errno ; + } + if (!nsss_grp_copy(gr, buf, buflen, &gr2, sa.s, sa.len, genalloc_s(char *, &ga), genalloc_len(char *, &ga))) + { + stralloc_free(&sa) ; + *grp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *grp = gr ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_unix_getgrgid.c b/src/libnsss/nsss_unix_getgrgid.c new file mode 100644 index 0000000..e6d8979 --- /dev/null +++ b/src/libnsss/nsss_unix_getgrgid.c @@ -0,0 +1,21 @@ +/* ISC license. */ + +#include <skalibs/genalloc.h> +#include <nsss/grp-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" + +struct group *nsss_unix_getgrgid (gid_t gid) +{ + nsss_unix_t a = NSSS_UNIX_ZERO ; + if (!nsss_unix_grp_start(&a)) return 0 ; + nsss_grp_sa_here.len = 0 ; + genalloc_setlen(char *, &nsss_grp_ga_here, 0) ; + if (!nsss_unix_grp_getbygid(&a, &nsss_grp_here, &nsss_grp_sa_here, &nsss_grp_ga_here, gid)) + { + nsss_unix_grp_end(&a) ; + return 0 ; + } + nsss_unix_grp_end(&a) ; + return &nsss_grp_here ; +} diff --git a/src/libnsss/nsss_unix_getgrgid_r.c b/src/libnsss/nsss_unix_getgrgid_r.c new file mode 100644 index 0000000..5d3dbe5 --- /dev/null +++ b/src/libnsss/nsss_unix_getgrgid_r.c @@ -0,0 +1,35 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/grp-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" + +int nsss_unix_getgrgid_r (gid_t gid, struct group *gr, char *buf, size_t buflen, struct group **grp) +{ + struct group gr2 ; + stralloc sa = STRALLOC_ZERO ; + genalloc ga = GENALLOC_ZERO ; + nsss_unix_t a = NSSS_UNIX_ZERO ; + int e = errno ; + if (!nsss_unix_grp_start(&a)) return errno ; + errno = 0 ; + if (!nsss_unix_grp_getbygid(&a, &gr2, &sa, &ga, gid)) + { + nsss_unix_grp_end(&a) ; + *grp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_unix_grp_end(&a) ; + if (!nsss_grp_copy(gr, buf, buflen, &gr2, sa.s, sa.len, genalloc_s(char *, &ga), genalloc_len(char *, &ga))) + { + stralloc_free(&sa) ; + *grp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *grp = gr ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_unix_getgrnam.c b/src/libnsss/nsss_unix_getgrnam.c new file mode 100644 index 0000000..ca9d9b9 --- /dev/null +++ b/src/libnsss/nsss_unix_getgrnam.c @@ -0,0 +1,21 @@ +/* ISC license. */ + +#include <skalibs/genalloc.h> +#include <nsss/grp-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" + +struct group *nsss_unix_getgrnam (char const *name) +{ + nsss_unix_t a = NSSS_UNIX_ZERO ; + if (!nsss_unix_grp_start(&a)) return 0 ; + nsss_grp_sa_here.len = 0 ; + genalloc_setlen(char *, &nsss_grp_ga_here, 0) ; + if (!nsss_unix_grp_getbyname(&a, &nsss_grp_here, &nsss_grp_sa_here, &nsss_grp_ga_here, name)) + { + nsss_unix_grp_end(&a) ; + return 0 ; + } + nsss_unix_grp_end(&a) ; + return &nsss_grp_here ; +} diff --git a/src/libnsss/nsss_unix_getgrnam_r.c b/src/libnsss/nsss_unix_getgrnam_r.c new file mode 100644 index 0000000..bc63d78 --- /dev/null +++ b/src/libnsss/nsss_unix_getgrnam_r.c @@ -0,0 +1,35 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <nsss/grp-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" + +int nsss_unix_getgrnam_r (char const *name, struct group *gr, char *buf, size_t buflen, struct group **grp) +{ + struct group gr2 ; + stralloc sa = STRALLOC_ZERO ; + genalloc ga = GENALLOC_ZERO ; + nsss_unix_t a = NSSS_UNIX_ZERO ; + int e = errno ; + if (!nsss_unix_grp_start(&a)) return errno ; + errno = 0 ; + if (!nsss_unix_grp_getbyname(&a, &gr2, &sa, &ga, name)) + { + nsss_unix_grp_end(&a) ; + *grp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_unix_grp_end(&a) ; + if (!nsss_grp_copy(gr, buf, buflen, &gr2, sa.s, sa.len, genalloc_s(char *, &ga), genalloc_len(char *, &ga))) + { + stralloc_free(&sa) ; + *grp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *grp = gr ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_unix_getpwent.c b/src/libnsss/nsss_unix_getpwent.c new file mode 100644 index 0000000..4271f0b --- /dev/null +++ b/src/libnsss/nsss_unix_getpwent.c @@ -0,0 +1,14 @@ +/* ISC license. */ + +#include <nsss/pwd-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" +#include "nsss-unix-internal.h" + +struct passwd *nsss_unix_getpwent (void) +{ + if (!nsss_unix_pwd_maybe_start(&nsss_unix_pwd_here)) return 0 ; + nsss_pwd_sa_here.len = 0 ; + if (!nsss_unix_pwd_get(&nsss_unix_pwd_here, &nsss_pwd_here, &nsss_pwd_sa_here)) return 0 ; + return &nsss_pwd_here ; +} diff --git a/src/libnsss/nsss_unix_getpwent_r.c b/src/libnsss/nsss_unix_getpwent_r.c new file mode 100644 index 0000000..183bfd7 --- /dev/null +++ b/src/libnsss/nsss_unix_getpwent_r.c @@ -0,0 +1,33 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/pwd-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" +#include "nsss-unix-internal.h" + +int nsss_unix_getpwent_r (struct passwd *pw, char *buf, size_t buflen, struct passwd **pwp) +{ + struct passwd pw2 ; + stralloc sa = STRALLOC_ZERO ; + int e ; + if (!nsss_unix_pwd_maybe_start(&nsss_unix_pwd_here)) return errno ; + e = errno ; + errno = 0 ; + if (!nsss_unix_pwd_get(&nsss_unix_pwd_here, &pw2, &sa)) + { + *pwp = 0 ; + if (!errno) errno = ENOENT ; + return errno ; + } + if (!nsss_pwd_copy(pw, buf, buflen, &pw2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *pwp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *pwp = pw ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_unix_getpwnam.c b/src/libnsss/nsss_unix_getpwnam.c new file mode 100644 index 0000000..eb5d6b1 --- /dev/null +++ b/src/libnsss/nsss_unix_getpwnam.c @@ -0,0 +1,19 @@ +/* ISC license. */ + +#include <nsss/pwd-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" + +struct passwd *nsss_unix_getpwnam (char const *name) +{ + nsss_unix_t a = NSSS_UNIX_ZERO ; + if (!nsss_unix_pwd_start(&a)) return 0 ; + nsss_pwd_sa_here.len = 0 ; + if (!nsss_unix_pwd_getbyname(&a, &nsss_pwd_here, &nsss_pwd_sa_here, name)) + { + nsss_unix_pwd_end(&a) ; + return 0 ; + } + nsss_unix_pwd_end(&a) ; + return &nsss_pwd_here ; +} diff --git a/src/libnsss/nsss_unix_getpwnam_r.c b/src/libnsss/nsss_unix_getpwnam_r.c new file mode 100644 index 0000000..b41ce70 --- /dev/null +++ b/src/libnsss/nsss_unix_getpwnam_r.c @@ -0,0 +1,33 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/pwd-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" + +int nsss_unix_getpwnam_r (char const *name, struct passwd *pw, char *buf, size_t buflen, struct passwd **pwp) +{ + struct passwd pw2 ; + stralloc sa = STRALLOC_ZERO ; + nsss_unix_t a = NSSS_UNIX_ZERO ; + int e = errno ; + if (!nsss_unix_pwd_start(&a)) return errno ; + errno = 0 ; + if (!nsss_unix_pwd_getbyname(&a, &pw2, &sa, name)) + { + nsss_unix_pwd_end(&a) ; + *pwp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_unix_pwd_end(&a) ; + if (!nsss_pwd_copy(pw, buf, buflen, &pw2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *pwp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *pwp = pw ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_unix_getpwuid.c b/src/libnsss/nsss_unix_getpwuid.c new file mode 100644 index 0000000..35f019d --- /dev/null +++ b/src/libnsss/nsss_unix_getpwuid.c @@ -0,0 +1,19 @@ +/* ISC license. */ + +#include <nsss/pwd-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" + +struct passwd *nsss_unix_getpwuid (uid_t uid) +{ + nsss_unix_t a = NSSS_UNIX_ZERO ; + if (!nsss_unix_pwd_start(&a)) return 0 ; + nsss_pwd_sa_here.len = 0 ; + if (!nsss_unix_pwd_getbyuid(&a, &nsss_pwd_here, &nsss_pwd_sa_here, uid)) + { + nsss_unix_pwd_end(&a) ; + return 0 ; + } + nsss_unix_pwd_end(&a) ; + return &nsss_pwd_here ; +} diff --git a/src/libnsss/nsss_unix_getpwuid_r.c b/src/libnsss/nsss_unix_getpwuid_r.c new file mode 100644 index 0000000..0601008 --- /dev/null +++ b/src/libnsss/nsss_unix_getpwuid_r.c @@ -0,0 +1,33 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/pwd-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" + +int nsss_unix_getpwuid_r (uid_t uid, struct passwd *pw, char *buf, size_t buflen, struct passwd **pwp) +{ + struct passwd pw2 ; + stralloc sa = STRALLOC_ZERO ; + nsss_unix_t a = NSSS_UNIX_ZERO ; + int e = errno ; + if (!nsss_unix_pwd_start(&a)) return errno ; + errno = 0 ; + if (!nsss_unix_pwd_getbyuid(&a, &pw2, &sa, uid)) + { + nsss_unix_pwd_end(&a) ; + *pwp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_unix_pwd_end(&a) ; + if (!nsss_pwd_copy(pw, buf, buflen, &pw2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *pwp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *pwp = pw ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_unix_getspent.c b/src/libnsss/nsss_unix_getspent.c new file mode 100644 index 0000000..f442a40 --- /dev/null +++ b/src/libnsss/nsss_unix_getspent.c @@ -0,0 +1,14 @@ +/* ISC license. */ + +#include <nsss/shadow-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" +#include "nsss-unix-internal.h" + +struct spwd *nsss_unix_getspent (void) +{ + if (!nsss_unix_shadow_maybe_start(&nsss_unix_shadow_here)) return 0 ; + nsss_shadow_sa_here.len = 0 ; + if (!nsss_unix_shadow_get(&nsss_unix_shadow_here, &nsss_shadow_here, &nsss_shadow_sa_here)) return 0 ; + return &nsss_shadow_here ; +} diff --git a/src/libnsss/nsss_unix_getspent_r.c b/src/libnsss/nsss_unix_getspent_r.c new file mode 100644 index 0000000..6ae4f8a --- /dev/null +++ b/src/libnsss/nsss_unix_getspent_r.c @@ -0,0 +1,33 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/shadow-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" +#include "nsss-unix-internal.h" + +int nsss_unix_getspent_r (struct spwd *sp, char *buf, size_t buflen, struct spwd **spp) +{ + struct spwd sp2 ; + stralloc sa = STRALLOC_ZERO ; + int e ; + if (!nsss_unix_shadow_maybe_start(&nsss_unix_shadow_here)) return errno ; + e = errno ; + errno = 0 ; + if (!nsss_unix_shadow_get(&nsss_unix_shadow_here, &sp2, &sa)) + { + *spp = 0 ; + if (!errno) errno = ENOENT ; + return errno ; + } + if (!nsss_shadow_copy(sp, buf, buflen, &sp2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *spp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *spp = sp ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_unix_getspnam.c b/src/libnsss/nsss_unix_getspnam.c new file mode 100644 index 0000000..810d45f --- /dev/null +++ b/src/libnsss/nsss_unix_getspnam.c @@ -0,0 +1,19 @@ +/* ISC license. */ + +#include <nsss/shadow-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" + +struct spwd *nsss_unix_getspnam (char const *name) +{ + nsss_unix_t a = NSSS_UNIX_ZERO ; + if (!nsss_unix_shadow_start(&a)) return 0 ; + nsss_shadow_sa_here.len = 0 ; + if (!nsss_unix_shadow_getbyname(&a, &nsss_shadow_here, &nsss_shadow_sa_here, name)) + { + nsss_unix_shadow_end(&a) ; + return 0 ; + } + nsss_unix_shadow_end(&a) ; + return &nsss_shadow_here ; +} diff --git a/src/libnsss/nsss_unix_getspnam_r.c b/src/libnsss/nsss_unix_getspnam_r.c new file mode 100644 index 0000000..f0bfed4 --- /dev/null +++ b/src/libnsss/nsss_unix_getspnam_r.c @@ -0,0 +1,33 @@ +/* ISC license. */ + +#include <errno.h> +#include <skalibs/stralloc.h> +#include <nsss/shadow-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-internal.h" + +int nsss_unix_getspnam_r (char const *name, struct spwd *sp, char *buf, size_t buflen, struct spwd **spp) +{ + struct spwd sp2 ; + stralloc sa = STRALLOC_ZERO ; + nsss_unix_t a = NSSS_UNIX_ZERO ; + int e = errno ; + if (!nsss_unix_shadow_start(&a)) return errno ; + errno = 0 ; + if (!nsss_unix_shadow_getbyname(&a, &sp2, &sa, name)) + { + nsss_unix_shadow_end(&a) ; + *spp = 0 ; + return errno ? errno : (errno = e, 0) ; + } + nsss_unix_shadow_end(&a) ; + if (!nsss_shadow_copy(sp, buf, buflen, &sp2, sa.s, sa.len)) + { + stralloc_free(&sa) ; + *spp = 0 ; + return errno ; + } + stralloc_free(&sa) ; + *spp = sp ; + return (errno = e, 0) ; +} diff --git a/src/libnsss/nsss_unix_grp_get.c b/src/libnsss/nsss_unix_grp_get.c new file mode 100644 index 0000000..f7984a4 --- /dev/null +++ b/src/libnsss/nsss_unix_grp_get.c @@ -0,0 +1,62 @@ +/* ISC license. */ + +#include <string.h> +#include <pthread.h> +#include <skalibs/types.h> +#include <skalibs/genalloc.h> +#include <skalibs/skamisc.h> +#include <nsss/grp-def.h> +#include <nsss/nsss-unix.h> +#include "nsss-unix-internal.h" + +static inline char **grp_parsemem (char *s, genalloc *ga) +{ + char **grmem ; + char **p ; + size_t n = 0 ; + for (char *t = s ; *t ; t++) if (*t == ',') { n++ ; *t = 0 ; } ; + if (*s) n++ ; + if (!genalloc_readyplus(char *, ga, n+1)) return 0 ; + p = genalloc_s(char *, ga) + genalloc_len(char *, ga) ; + grmem = p ; + for (size_t i = 0 ; i < n ; i++) { *p++ = s ; s += strlen(s) + 1 ; } + *p++ = 0 ; + genalloc_setlen(char *, ga, genalloc_len(char *, ga) + n+1) ; + return grmem ; +} + +static inline int grp_parseline (struct group *gr, char *s, size_t max, genalloc *ga) +{ + struct group gr2 ; + char *p ; + s[max-1] = 0 ; + if (!nsss_unix_field(&gr2.gr_name, &s)) return 0 ; + if (!nsss_unix_field(&gr2.gr_passwd, &s)) return 0 ; + if (!nsss_unix_field(&p, &s)) return 0 ; + if (!gid0_scan(p, &gr2.gr_gid)) return 0 ; + gr2.gr_mem = grp_parsemem(s, ga) ; + if (!gr2.gr_mem) return 0 ; + *gr = gr2 ; + return 1 ; +} + +int nsss_unix_grp_get (nsss_unix_t *a, struct group *gr, stralloc *sa, genalloc *ga) +{ + int cs ; + pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs) ; + for (;;) + { + size_t sabase = sa->len ; + size_t gabase = genalloc_len(char *, ga) ; + if (skagetln_loose(&a->b, sa, '\n') <= 0) goto err ; + if (grp_parseline(gr, sa->s + sabase, sa->len - sabase, ga)) break ; + sa->len = sabase ; + genalloc_setlen(char *, ga, gabase) ; + } + pthread_setcancelstate(cs, 0) ; + return 1 ; + + err: + pthread_setcancelstate(cs, 0) ; + return 0 ; +} diff --git a/src/libnsss/nsss_unix_grp_getbygid.c b/src/libnsss/nsss_unix_grp_getbygid.c new file mode 100644 index 0000000..48cfecf --- /dev/null +++ b/src/libnsss/nsss_unix_grp_getbygid.c @@ -0,0 +1,22 @@ +/* ISC license. */ + +#include <sys/types.h> +#include <skalibs/genalloc.h> +#include <nsss/grp-def.h> +#include <nsss/nsss-unix.h> + +int nsss_unix_grp_getbygid (nsss_unix_t *a, struct group *gr, stralloc *sa, genalloc *ga, gid_t gid) +{ + struct group gr2 ; + for (;;) + { + size_t sabase = sa->len ; + size_t gabase = genalloc_len(char *, ga) ; + if (!nsss_unix_grp_get(a, &gr2, sa, ga)) return 0 ; + if (gid == gr2.gr_gid) break ; + sa->len = sabase ; + genalloc_setlen(char *, ga, gabase) ; + } + *gr = gr2 ; + return 1 ; +} diff --git a/src/libnsss/nsss_unix_grp_getbyname.c b/src/libnsss/nsss_unix_grp_getbyname.c new file mode 100644 index 0000000..0b8e3b8 --- /dev/null +++ b/src/libnsss/nsss_unix_grp_getbyname.c @@ -0,0 +1,22 @@ +/* ISC license. */ + +#include <string.h> +#include <skalibs/genalloc.h> +#include <nsss/grp-def.h> +#include <nsss/nsss-unix.h> + +int nsss_unix_grp_getbyname (nsss_unix_t *a, struct group *gr, stralloc *sa, genalloc *ga, char const *name) +{ + struct group gr2 ; + for (;;) + { + size_t sabase = sa->len ; + size_t gabase = genalloc_len(char *, ga) ; + if (!nsss_unix_grp_get(a, &gr2, sa, ga)) return 0 ; + if (!strcmp(name, gr2.gr_name)) break ; + sa->len = sabase ; + genalloc_setlen(char *, ga, gabase) ; + } + *gr = gr2 ; + return 1 ; +} diff --git a/src/libnsss/nsss_unix_grp_here.c b/src/libnsss/nsss_unix_grp_here.c new file mode 100644 index 0000000..b2adfe9 --- /dev/null +++ b/src/libnsss/nsss_unix_grp_here.c @@ -0,0 +1,5 @@ +/* ISC license. */ + +#include "nsss-unix-internal.h" + +nsss_unix_t nsss_unix_grp_here = NSSS_UNIX_ZERO ; diff --git a/src/libnsss/nsss_unix_maybe_start.c b/src/libnsss/nsss_unix_maybe_start.c new file mode 100644 index 0000000..9aad8d4 --- /dev/null +++ b/src/libnsss/nsss_unix_maybe_start.c @@ -0,0 +1,9 @@ +/* ISC license. */ + +#include <skalibs/buffer.h> +#include <nsss/nsss-unix.h> + +int nsss_unix_maybe_start (nsss_unix_t *a, char const *path) +{ + return buffer_fd(&a->b) >= 0 || nsss_unix_start(a, path) ; +} diff --git a/src/libnsss/nsss_unix_pwd_get.c b/src/libnsss/nsss_unix_pwd_get.c new file mode 100644 index 0000000..b0c1200 --- /dev/null +++ b/src/libnsss/nsss_unix_pwd_get.c @@ -0,0 +1,45 @@ +/* ISC license. */ + +#include <pthread.h> +#include <skalibs/types.h> +#include <skalibs/skamisc.h> +#include <nsss/pwd-def.h> +#include <nsss/nsss-unix.h> +#include "nsss-unix-internal.h" + +static inline int pwd_parseline (struct passwd *pw, char *s, size_t max) +{ + struct passwd pw2 ; + char *p ; + s[max-1] = 0 ; + if (!nsss_unix_field(&pw2.pw_name, &s)) return 0 ; + if (!nsss_unix_field(&pw2.pw_passwd, &s)) return 0 ; + if (!nsss_unix_field(&p, &s)) return 0 ; + if (!uid0_scan(p, &pw2.pw_uid)) return 0 ; + if (!nsss_unix_field(&p, &s)) return 0 ; + if (!gid0_scan(p, &pw2.pw_gid)) return 0 ; + if (!nsss_unix_field(&pw2.pw_gecos, &s)) return 0 ; + if (!nsss_unix_field(&pw2.pw_dir, &s)) return 0 ; + pw2.pw_shell = s ; + *pw = pw2 ; + return 1 ; +} + +int nsss_unix_pwd_get (nsss_unix_t *a, struct passwd *pw, stralloc *sa) +{ + int cs ; + pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs) ; + for (;;) + { + size_t base = sa->len ; + if (skagetln_loose(&a->b, sa, '\n') <= 0) goto err ; + if (pwd_parseline(pw, sa->s + base, sa->len - base)) break ; + sa->len = base ; + } + pthread_setcancelstate(cs, 0) ; + return 1 ; + + err: + pthread_setcancelstate(cs, 0) ; + return 0 ; +} diff --git a/src/libnsss/nsss_unix_pwd_getbyname.c b/src/libnsss/nsss_unix_pwd_getbyname.c new file mode 100644 index 0000000..4d60e8c --- /dev/null +++ b/src/libnsss/nsss_unix_pwd_getbyname.c @@ -0,0 +1,19 @@ +/* ISC license. */ + +#include <string.h> +#include <nsss/pwd-def.h> +#include <nsss/nsss-unix.h> + +int nsss_unix_pwd_getbyname (nsss_unix_t *a, struct passwd *pw, stralloc *sa, char const *name) +{ + struct passwd pw2 ; + for (;;) + { + size_t base = sa->len ; + if (!nsss_unix_pwd_get(a, &pw2, sa)) return 0 ; + if (!strcmp(name, pw2.pw_name)) break ; + sa->len = base ; + } + *pw = pw2 ; + return 1 ; +} diff --git a/src/libnsss/nsss_unix_pwd_getbyuid.c b/src/libnsss/nsss_unix_pwd_getbyuid.c new file mode 100644 index 0000000..4964cdd --- /dev/null +++ b/src/libnsss/nsss_unix_pwd_getbyuid.c @@ -0,0 +1,19 @@ +/* ISC license. */ + +#include <sys/types.h> +#include <nsss/pwd-def.h> +#include <nsss/nsss-unix.h> + +int nsss_unix_pwd_getbyuid (nsss_unix_t *a, struct passwd *pw, stralloc *sa, uid_t uid) +{ + struct passwd pw2 ; + for (;;) + { + size_t base = sa->len ; + if (!nsss_unix_pwd_get(a, &pw2, sa)) return 0 ; + if (uid == pw2.pw_uid) break ; + sa->len = base ; + } + *pw = pw2 ; + return 1 ; +} diff --git a/src/libnsss/nsss_unix_pwd_here.c b/src/libnsss/nsss_unix_pwd_here.c new file mode 100644 index 0000000..33aa911 --- /dev/null +++ b/src/libnsss/nsss_unix_pwd_here.c @@ -0,0 +1,5 @@ +/* ISC license. */ + +#include "nsss-unix-internal.h" + +nsss_unix_t nsss_unix_pwd_here = NSSS_UNIX_ZERO ; diff --git a/src/libnsss/nsss_unix_rewind.c b/src/libnsss/nsss_unix_rewind.c new file mode 100644 index 0000000..2b8c6b3 --- /dev/null +++ b/src/libnsss/nsss_unix_rewind.c @@ -0,0 +1,13 @@ +/* ISC license. */ + +#include <unistd.h> +#include <skalibs/buffer.h> +#include <nsss/nsss-unix.h> + +int nsss_unix_rewind (nsss_unix_t *a) +{ + int fd = buffer_fd(&a->b) ; + if (lseek(fd, 0, SEEK_SET) < 0) return 0 ; + buffer_init(&a->b, &buffer_read, fd, a->buf, NSSS_UNIX_BUFSIZE) ; + return 1 ; +} diff --git a/src/libnsss/nsss_unix_setgrent.c b/src/libnsss/nsss_unix_setgrent.c new file mode 100644 index 0000000..e01744f --- /dev/null +++ b/src/libnsss/nsss_unix_setgrent.c @@ -0,0 +1,11 @@ +/* ISC license. */ + +#include <nsss/grp-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-unix-internal.h" + +void nsss_unix_setgrent (void) +{ + if (!nsss_unix_grp_maybe_start(&nsss_unix_grp_here)) return ; + nsss_unix_grp_rewind(&nsss_unix_grp_here) ; +} diff --git a/src/libnsss/nsss_unix_setpwent.c b/src/libnsss/nsss_unix_setpwent.c new file mode 100644 index 0000000..666680b --- /dev/null +++ b/src/libnsss/nsss_unix_setpwent.c @@ -0,0 +1,11 @@ +/* ISC license. */ + +#include <nsss/pwd-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-unix-internal.h" + +void nsss_unix_setpwent (void) +{ + if (!nsss_unix_pwd_maybe_start(&nsss_unix_pwd_here)) return ; + nsss_unix_pwd_rewind(&nsss_unix_pwd_here) ; +} diff --git a/src/libnsss/nsss_unix_setspent.c b/src/libnsss/nsss_unix_setspent.c new file mode 100644 index 0000000..2b38e8d --- /dev/null +++ b/src/libnsss/nsss_unix_setspent.c @@ -0,0 +1,11 @@ +/* ISC license. */ + +#include <nsss/shadow-unix.h> +#include <nsss/nsss-unix.h> +#include "nsss-unix-internal.h" + +void nsss_unix_setspent (void) +{ + if (!nsss_unix_shadow_maybe_start(&nsss_unix_shadow_here)) return ; + nsss_unix_shadow_rewind(&nsss_unix_shadow_here) ; +} diff --git a/src/libnsss/nsss_unix_shadow_get.c b/src/libnsss/nsss_unix_shadow_get.c new file mode 100644 index 0000000..0d87088 --- /dev/null +++ b/src/libnsss/nsss_unix_shadow_get.c @@ -0,0 +1,52 @@ +/* ISC license. */ + +#include <pthread.h> +#include <skalibs/types.h> +#include <skalibs/skamisc.h> +#include <nsss/shadow-def.h> +#include <nsss/nsss-unix.h> +#include "nsss-unix-internal.h" + +static inline int shadow_parseline (struct spwd *sp, char *s, size_t max) +{ + struct spwd sp2 ; + char *p ; + s[max-1] = 0 ; + if (!nsss_unix_field(&sp2.sp_namp, &s)) return 0 ; + if (!nsss_unix_field(&sp2.sp_pwdp, &s)) return 0 ; + if (!nsss_unix_field(&p, &s)) return 0 ; + if (!ulong0_scan(p, (unsigned long *)&sp2.sp_lstchg)) return 0 ; + if (!nsss_unix_field(&p, &s)) return 0 ; + if (!ulong0_scan(p, (unsigned long *)&sp2.sp_min)) return 0 ; + if (!nsss_unix_field(&p, &s)) return 0 ; + if (!ulong0_scan(p, (unsigned long *)&sp2.sp_max)) return 0 ; + if (!nsss_unix_field(&p, &s)) return 0 ; + if (!ulong0_scan(p, (unsigned long *)&sp2.sp_warn)) return 0 ; + if (!nsss_unix_field(&p, &s)) return 0 ; + if (!ulong0_scan(p, (unsigned long *)&sp2.sp_inact)) return 0 ; + if (!nsss_unix_field(&p, &s)) return 0 ; + if (!ulong0_scan(p, (unsigned long *)&sp2.sp_expire)) return 0 ; + if (!nsss_unix_field(&p, &s)) return 0 ; + if (!ulong0_scan(p, &sp2.sp_flag)) return 0 ; + *sp = sp2 ; + return 1 ; +} + +int nsss_unix_shadow_get (nsss_unix_t *a, struct spwd *sp, stralloc *sa) +{ + int cs ; + pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs) ; + for (;;) + { + size_t base = sa->len ; + if (skagetln_loose(&a->b, sa, '\n') <= 0) goto err ; + if (shadow_parseline(sp, sa->s + base, sa->len - base)) break ; + sa->len = base ; + } + pthread_setcancelstate(cs, 0) ; + return 1 ; + + err: + pthread_setcancelstate(cs, 0) ; + return 0 ; +} diff --git a/src/libnsss/nsss_unix_shadow_getbyname.c b/src/libnsss/nsss_unix_shadow_getbyname.c new file mode 100644 index 0000000..154e5ec --- /dev/null +++ b/src/libnsss/nsss_unix_shadow_getbyname.c @@ -0,0 +1,19 @@ +/* ISC license. */ + +#include <string.h> +#include <nsss/shadow-def.h> +#include <nsss/nsss-unix.h> + +int nsss_unix_shadow_getbyname (nsss_unix_t *a, struct spwd *sp, stralloc *sa, char const *name) +{ + struct spwd sp2 ; + for (;;) + { + size_t base = sa->len ; + if (!nsss_unix_shadow_get(a, &sp2, sa)) return 0 ; + if (!strcmp(name, sp2.sp_namp)) break ; + sa->len = base ; + } + *sp = sp2 ; + return 1 ; +} diff --git a/src/libnsss/nsss_unix_shadow_here.c b/src/libnsss/nsss_unix_shadow_here.c new file mode 100644 index 0000000..2f500f4 --- /dev/null +++ b/src/libnsss/nsss_unix_shadow_here.c @@ -0,0 +1,5 @@ +/* ISC license. */ + +#include "nsss-unix-internal.h" + +nsss_unix_t nsss_unix_shadow_here = NSSS_UNIX_ZERO ; diff --git a/src/libnsss/nsss_unix_start.c b/src/libnsss/nsss_unix_start.c new file mode 100644 index 0000000..1f6c5df --- /dev/null +++ b/src/libnsss/nsss_unix_start.c @@ -0,0 +1,13 @@ +/* ISC license. */ + +#include <skalibs/buffer.h> +#include <skalibs/djbunix.h> +#include <nsss/nsss-unix.h> + +int nsss_unix_start (nsss_unix_t *a, char const *path) +{ + int fd = open_readb(path) ; + if (fd < 0) return 0 ; + buffer_init(&a->b, &buffer_read, fd, a->buf, NSSS_UNIX_BUFSIZE) ; + return 1 ; +} diff --git a/src/nsssd/deps-exe/nsssd-nslcd b/src/nsssd/deps-exe/nsssd-nslcd new file mode 100644 index 0000000..8a77503 --- /dev/null +++ b/src/nsssd/deps-exe/nsssd-nslcd @@ -0,0 +1,2 @@ +${LIBNSSSD} +-lskarnet diff --git a/src/nsssd/deps-exe/nsssd-unix b/src/nsssd/deps-exe/nsssd-unix new file mode 100644 index 0000000..deff087 --- /dev/null +++ b/src/nsssd/deps-exe/nsssd-unix @@ -0,0 +1,3 @@ +${LIBNSSS} +${LIBNSSSD} +-lskarnet diff --git a/src/nsssd/deps-lib/nsssd b/src/nsssd/deps-lib/nsssd new file mode 100644 index 0000000..7b2e85b --- /dev/null +++ b/src/nsssd/deps-lib/nsssd @@ -0,0 +1,3 @@ +nsssd_main.o +nsssd_convert.o +-lskarnet diff --git a/src/nsssd/nsssd-nslcd.c b/src/nsssd/nsssd-nslcd.c new file mode 100644 index 0000000..dd8fdce --- /dev/null +++ b/src/nsssd/nsssd-nslcd.c @@ -0,0 +1,583 @@ +/* ISC license. */ + +#include <skalibs/nonposix.h> +#include <sys/socket.h> +#include <sys/uio.h> +#include <stdint.h> +#include <errno.h> +#include <skalibs/posixplz.h> +#include <skalibs/error.h> +#include <skalibs/uint32.h> +#include <skalibs/sgetopt.h> +#include <skalibs/buffer.h> +#include <skalibs/strerr2.h> +#include <skalibs/stralloc.h> +#include <skalibs/genalloc.h> +#include <skalibs/webipc.h> +#include <skalibs/unix-timed.h> +#include <nsss/nsssd.h> +#include "nsssd-nslcd.h" + +#define USAGE "nsssd-nslcd [ -t timeout ] path-to-nslcd-socket" +#define dieusage() strerr_dieusage(100, USAGE) + +typedef struct nslcd_handle_s nslcd_handle_t, *nslcd_handle_t_ref ; +struct nslcd_handle_s +{ + char const *socketpath ; + genalloc entries[3] ; /* nsss_passwd_t, nsss_group_t, nsss_spwd_t */ + stralloc data[3] ; + size_t head[3] ; + genalloc grmemc ; /* size_t */ + genalloc grmem ; /* char * */ + size_t grhead ; + unsigned int needdata ; +} ; +#define NSLCD_HANDLE_ZERO \ +{ \ + .socketpath = 0, \ + .entries = { GENALLOC_ZERO, GENALLOC_ZERO, GENALLOC_ZERO }, \ + .data = { STRALLOC_ZERO, STRALLOC_ZERO, STRALLOC_ZERO }, \ + .head = { 0, 0, 0 }, \ + .grmemc = GENALLOC_ZERO, \ + .grmem = GENALLOC_ZERO, \ + .grhead = 0, \ + .needdata = 0 \ +} + +static tain_t tto = TAIN_INFINITE_RELATIVE ; + +void *nsssd_handle_init (void) +{ + static nslcd_handle_t a = NSLCD_HANDLE_ZERO ; + return &a ; +} + +int nsssd_handle_start (void *handle, char const *const *argv, char const *const *envp) +{ + nslcd_handle_t *a = handle ; + if (!argv[0]) strerr_dieusage(100, USAGE) ; + a->socketpath = argv[0] ; + return 1 ; +} + +void nsssd_handle_end (void *handle) +{ + static const nslcd_handle_t nslcd_handle_zero = NSLCD_HANDLE_ZERO ; + nslcd_handle_t *a = handle ; + genalloc_free(nsssd_passwd_t, &a->entries[0]) ; + genalloc_free(nsssd_group_t, &a->entries[1]) ; + genalloc_free(nsssd_spwd_t, &a->entries[2]) ; + stralloc_free(&a->data[0]) ; + stralloc_free(&a->data[1]) ; + stralloc_free(&a->data[2]) ; + genalloc_free(size_t, &a->grmemc) ; + genalloc_free(char *, &a->grmem) ; + *a = nslcd_handle_zero ; +} + +static int read_uint32 (buffer *b, uint32_t *x, tain_t const *deadline) +{ + char pack[4] ; + if (buffer_timed_get_g(b, pack, 4, deadline) < 4) return 0 ; + uint32_unpack_big(pack, x) ; + return 1 ; +} + +static int read_string (buffer *b, size_t *value, stralloc *sa, tain_t const *deadline) +{ + uint32_t len ; + if (!read_uint32(b, &len, deadline)) return 0 ; + if (!stralloc_readyplus(sa, len+1)) return 0 ; + if (buffer_timed_get_g(b, sa->s + sa->len, len, deadline) < len) return 0 ; + *value = sa->len ; + sa->len += len ; + sa->s[sa->len++] = 0 ; + return 1 ; +} + +static inline int read_stringlist (buffer *b, size_t *head, size_t *n, stralloc *sa, genalloc *ga, tain_t const *deadline) +{ + uint32_t i ; + size_t *p ; + if (!read_uint32(b, &i, deadline)) return 0 ; + if (!genalloc_readyplus(size_t, ga, i)) return 0 ; + *head = genalloc_len(size_t, ga) ; + p = genalloc_s(size_t, ga) + *head ; + *n = i ; + while (i--) if (!read_string(b, p++, sa, deadline)) return 0 ; + return 1 ; +} + +static inline int read_header (buffer *b, uint32_t action, tain_t const *deadline) +{ + uint32_t x ; + char pack[8] ; + if (buffer_timed_get_g(b, pack, 8, deadline) < 8) return 0 ; + uint32_unpack_big(pack, &x) ; + if (x != NSLCD_VERSION) return (errno = EPROTO, 0) ; + uint32_unpack_big(pack+4, &x) ; + if (x != action) return (errno = EPROTO, 0) ; + return 1 ; +} + +static int read_beginend (buffer *b, tain_t const *deadline) +{ + uint32_t x ; + if (!read_uint32(b, &x, deadline)) return -1 ; + switch (x) + { + case NSLCD_RESULT_BEGIN : return 1 ; + case NSLCD_RESULT_END : return 0 ; + default : return (errno = EPROTO, -1) ; + } +} + +static int read_eof (buffer *b, tain_t const *deadline) +{ + char c ; + ssize_t r = buffer_timed_get_g(b, &c, 1, deadline) ; + if (r < 0) return 0 ; + if (r) return (errno = EPROTO, 0) ; + return 1 ; +} + +static int read_endeof(buffer *b, tain_t const *deadline) +{ + int r = read_beginend(b, deadline) ; + if (r < 0) return 0 ; + if (r) return (errno = EPROTO, 0) ; + return read_eof(b, deadline) ; +} + +static int read_pw (buffer *b, nsssd_passwd_t *pw, stralloc *sa, tain_t const *deadline) +{ + uint32_t x ; + if (!read_string(b, &pw->pw_name, sa, deadline)) return 0 ; + if (!read_string(b, &pw->pw_passwd, sa, deadline)) return 0 ; + if (!read_uint32(b, &x, deadline)) return 0 ; + pw->pw_uid = x ; + if (!read_uint32(b, &x, deadline)) return 0 ; + pw->pw_gid = x ; + if (!read_string(b, &pw->pw_gecos, sa, deadline)) return 0 ; + if (!read_string(b, &pw->pw_dir, sa, deadline)) return 0 ; + if (!read_string(b, &pw->pw_shell, sa, deadline)) return 0 ; + return 1 ; +} + +static int read_gr (buffer *b, nsssd_group_t *gr, stralloc *sa, genalloc *ga, tain_t const *deadline) +{ + uint32_t x ; + if (!read_string(b, &gr->gr_name, sa, deadline)) return 0 ; + if (!read_string(b, &gr->gr_passwd, sa, deadline)) return 0 ; + if (!read_uint32(b, &x, deadline)) return 0 ; + gr->gr_gid = x ; + if (!read_stringlist(b, &gr->gr_mem, &gr->gr_mem_n, sa, ga, deadline)) return 0 ; + return 1 ; +} + +static int read_sp (buffer *b, nsssd_spwd_t *sp, stralloc *sa, tain_t const *deadline) +{ + uint32_t x ; + if (!read_string(b, &sp->sp_namp, sa, deadline)) return 0 ; + if (!read_string(b, &sp->sp_pwdp, sa, deadline)) return 0 ; + if (!read_uint32(b, &x, deadline)) return 0 ; + sp->sp_lstchg = x ; + if (!read_uint32(b, &x, deadline)) return 0 ; + sp->sp_min = x ; + if (!read_uint32(b, &x, deadline)) return 0 ; + sp->sp_max = x ; + if (!read_uint32(b, &x, deadline)) return 0 ; + sp->sp_warn = x ; + if (!read_uint32(b, &x, deadline)) return 0 ; + sp->sp_inact = x ; + if (!read_uint32(b, &x, deadline)) return 0 ; + sp->sp_expire = x ; + if (!read_uint32(b, &x, deadline)) return 0 ; + sp->sp_flag = x ; + return 1 ; +} + +static int nslcd_connect (nslcd_handle_t *a, uint32_t action, struct iovec const *v, unsigned int n, tain_t const *deadline) +{ + char pack[8] ; + int fd = ipc_stream_nbcoe() ; + struct iovec vv[n+1] ; + if (fd < 0) return 0 ; + vv[0].iov_base = pack ; + vv[0].iov_len = 8 ; + for (unsigned int i = 0 ; i < n ; i++) vv[i+1] = v[i] ; + if (!ipc_timed_connect_g(fd, a->socketpath, deadline)) goto err ; + uint32_pack_big(pack, NSLCD_VERSION) ; + uint32_pack_big(pack + 4, action) ; + if (!ipc_timed_sendv_g(fd, vv, n+1, deadline)) goto err ; + if (shutdown(fd, SHUT_WR) < 0) goto err ; + return fd ; + + err: + fd_close(fd) ; + return -1 ; +} + +int nsssd_pwd_start (void *handle) +{ + nslcd_handle_t *a = handle ; + a->head[0] = 0 ; + a->needdata |= 1 ; + return 1 ; +} + +int nsssd_pwd_rewind (void *handle) +{ + nslcd_handle_t *a = handle ; + a->head[0] = 0 ; + a->needdata |= 1 ; + return 1 ; +} + +static inline int pwd_getall (nslcd_handle_t *a) +{ + tain_t deadline ; + int fd ; + buffer b ; + char buf[8192] ; + tain_add_g(&deadline, &tto) ; + fd = nslcd_connect(a, NSLCD_ACTION_PASSWD_ALL, 0, 0, &deadline) ; + if (fd < 0) return 0 ; + buffer_init(&b, &buffer_read, fd, buf, 8192) ; + if (!read_header(&b, NSLCD_ACTION_PASSWD_ALL, &deadline)) goto err ; + genalloc_setlen(nsssd_passwd_t, &a->entries[0], 0) ; + a->data[0].len = 0 ; + for (;;) + { + int r = read_beginend(&b, &deadline) ; + if (r < 0) goto err ; + if (!r) break ; + if (!genalloc_readyplus(nsssd_passwd_t, &a->entries[0], 1)) goto err ; + if (!read_pw(&b, genalloc_s(nsssd_passwd_t, &a->entries[0]) + genalloc_len(nsssd_passwd_t, &a->entries[0]), &a->data[0], &deadline)) goto err ; + genalloc_setlen(nsssd_passwd_t, &a->entries[0], genalloc_len(nsssd_passwd_t, &a->entries[0]) + 1) ; + } + if (!read_eof(&b, &deadline)) goto err ; + fd_close(fd) ; + return 1 ; + + err: + fd_close(fd) ; + return 0 ; +} + +int nsssd_pwd_get (void *handle, struct passwd *pw) +{ + nslcd_handle_t *a = handle ; + if (a->needdata & 1) + { + if (!pwd_getall(a)) return 0 ; + a->needdata &= ~1 ; + } + if (a->head[0] >= genalloc_len(nsssd_passwd_t, &a->entries[0])) return 0 ; + nsssd_passwd_convert(pw, genalloc_s(nsssd_passwd_t, &a->entries[0]) + a->head[0]++, a->data[0].s) ; + return 1 ; +} + +int nsssd_pwd_getbyuid (void *handle, struct passwd *pw, uid_t uid) +{ + nslcd_handle_t *a = handle ; + nsssd_passwd_t pwc ; + tain_t deadline ; + int fd ; + buffer b ; + char buf[4096] ; + struct iovec v = { .iov_base = buf, .iov_len = 4 } ; + tain_add_g(&deadline, &tto) ; + uint32_pack_big(buf, uid) ; + fd = nslcd_connect(a, NSLCD_ACTION_PASSWD_BYUID, &v, 1, &deadline) ; + if (fd < 0) return 0 ; + buffer_init(&b, &buffer_read, fd, buf, 4096) ; + if (!read_header(&b, NSLCD_ACTION_PASSWD_BYUID, &deadline)) goto err ; + if (read_beginend(&b, &deadline) <= 0) goto err ; + a->data[0].len = 0 ; + if (!read_pw(&b, &pwc, &a->data[0], &deadline)) goto err ; + if (!read_endeof(&b, &deadline)) goto err ; + fd_close(fd) ; + nsssd_passwd_convert(pw, &pwc, a->data[0].s) ; + return 1 ; + + err: + fd_close(fd) ; + return 0 ; +} + +int nsssd_pwd_getbyname (void *handle, struct passwd *pw, char const *name) +{ + nslcd_handle_t *a = handle ; + nsssd_passwd_t pwc ; + tain_t deadline ; + int fd ; + buffer b ; + char buf[4096] ; + struct iovec v[2] = { { .iov_base = buf, .iov_len = 4 }, { .iov_base = (char *)name, .iov_len = strlen(name) } } ; + tain_add_g(&deadline, &tto) ; + fd = nslcd_connect(a, NSLCD_ACTION_PASSWD_BYNAME, v, 2, &deadline) ; + if (fd < 0) return 0 ; + buffer_init(&b, &buffer_read, fd, buf, 4096) ; + if (!read_header(&b, NSLCD_ACTION_PASSWD_BYNAME, &deadline)) goto err ; + if (read_beginend(&b, &deadline) <= 0) goto err ; + a->data[0].len = 0 ; + if (!read_pw(&b, &pwc, &a->data[0], &deadline)) goto err ; + if (!read_endeof(&b, &deadline)) goto err ; + fd_close(fd) ; + nsssd_passwd_convert(pw, &pwc, a->data[0].s) ; + return 1 ; + + err: + fd_close(fd) ; + return 0 ; +} + +void nsssd_pwd_end (void *handle) +{ +} + +int nsssd_grp_start (void *handle) +{ + nslcd_handle_t *a = handle ; + a->head[1] = 0 ; + a->grhead = 0 ; + a->needdata |= 2 ; + return 1 ; +} + +int nsssd_grp_rewind (void *handle) +{ + nslcd_handle_t *a = handle ; + a->head[1] = 0 ; + a->grhead = 0 ; + a->needdata |= 2 ; + return 1 ; +} + +static inline int grp_getall (nslcd_handle_t *a) +{ + tain_t deadline ; + int fd ; + buffer b ; + char buf[8192] ; + tain_add_g(&deadline, &tto) ; + fd = nslcd_connect(a, NSLCD_ACTION_GROUP_ALL, 0, 0, &deadline) ; + if (fd < 0) return 0 ; + buffer_init(&b, &buffer_read, fd, buf, 8192) ; + if (!read_header(&b, NSLCD_ACTION_GROUP_ALL, &deadline)) goto err ; + genalloc_setlen(nsssd_group_t, &a->entries[1], 0) ; + a->data[1].len = 0 ; + genalloc_setlen(size_t, &a->grmemc, 0) ; + for (;;) + { + int r = read_beginend(&b, &deadline) ; + if (r < 0) goto err ; + if (!r) break ; + if (!genalloc_readyplus(nsssd_group_t, &a->entries[1], 1)) goto err ; + if (!read_gr(&b, genalloc_s(nsssd_group_t, &a->entries[1]) + genalloc_len(nsssd_group_t, &a->entries[1]), &a->data[1], &a->grmemc, &deadline)) goto err ; + genalloc_setlen(nsssd_group_t, &a->entries[1], genalloc_len(nsssd_group_t, &a->entries[1]) + 1) ; + } + if (!read_eof(&b, &deadline)) goto err ; + fd_close(fd) ; + return 1 ; + + err: + fd_close(fd) ; + return 0 ; +} + +int nsssd_grp_get (void *handle, struct group *gr) +{ + nslcd_handle_t *a = handle ; + nsssd_group_t *grc ; + if (a->needdata & 2) + { + if (!grp_getall(a)) return 0 ; + a->needdata &= ~2 ; + } + if (a->head[1] >= genalloc_len(nsssd_group_t, &a->entries[1])) return 0 ; + grc = genalloc_s(nsssd_group_t, &a->entries[1]) + a->head[1]++ ; + if (!genalloc_ready(char *, &a->grmem, grc->gr_mem_n + 1)) return 0 ; + nsssd_group_convert(gr, genalloc_s(char *, &a->grmem), grc, a->data[1].s, genalloc_s(size_t, &a->grmemc) + a->grhead) ; + a->grhead += grc->gr_mem_n ; + return 1 ; +} + +int nsssd_grp_getbygid (void *handle, struct group *gr, gid_t gid) +{ + nslcd_handle_t *a = handle ; + nsssd_group_t grc ; + tain_t deadline ; + int fd ; + buffer b ; + char buf[4096] ; + struct iovec v = { .iov_base = buf, .iov_len = 4 } ; + tain_add_g(&deadline, &tto) ; + uint32_pack_big(buf, gid) ; + fd = nslcd_connect(a, NSLCD_ACTION_GROUP_BYGID, &v, 1, &deadline) ; + if (fd < 0) return 0 ; + buffer_init(&b, &buffer_read, fd, buf, 4096) ; + if (!read_header(&b, NSLCD_ACTION_GROUP_BYGID, &deadline)) goto err ; + if (read_beginend(&b, &deadline) <= 0) goto err ; + a->data[1].len = 0 ; + genalloc_setlen(size_t, &a->grmemc, 0) ; + if (!read_gr(&b, &grc, &a->data[1], &a->grmemc, &deadline)) goto err ; + if (!read_endeof(&b, &deadline)) goto err ; + fd_close(fd) ; + if (!genalloc_ready(char *, &a->grmem, grc.gr_mem_n + 1)) return 0 ; + nsssd_group_convert(gr, genalloc_s(char *, &a->grmem), &grc, a->data[1].s, genalloc_s(size_t, &a->grmemc)) ; + return 1 ; + + err: + fd_close(fd) ; + return 0 ; +} + +int nsssd_grp_getbyname (void *handle, struct group *gr, char const *name) +{ + nslcd_handle_t *a = handle ; + nsssd_group_t grc ; + tain_t deadline ; + int fd ; + buffer b ; + char buf[4096] ; + struct iovec v[2] = { { .iov_base = buf, .iov_len = 4 }, { .iov_base = (char *)name, .iov_len = strlen(name) } } ; + tain_add_g(&deadline, &tto) ; + fd = nslcd_connect(a, NSLCD_ACTION_GROUP_BYNAME, v, 2, &deadline) ; + if (fd < 0) return 0 ; + buffer_init(&b, &buffer_read, fd, buf, 4096) ; + if (!read_header(&b, NSLCD_ACTION_GROUP_BYNAME, &deadline)) goto err ; + if (read_beginend(&b, &deadline) <= 0) goto err ; + a->data[1].len = 0 ; + genalloc_setlen(size_t, &a->grmemc, 0) ; + if (!read_gr(&b, &grc, &a->data[1], &a->grmemc, &deadline)) goto err ; + if (!read_endeof(&b, &deadline)) goto err ; + fd_close(fd) ; + if (!genalloc_ready(char *, &a->grmem, grc.gr_mem_n + 1)) return 0 ; + nsssd_group_convert(gr, genalloc_s(char *, &a->grmem), &grc, a->data[1].s, genalloc_s(size_t, &a->grmem)) ; + return 1 ; + + err: + fd_close(fd) ; + return 0 ; +} + +void nsssd_grp_end (void *handle) +{ +} + +int nsssd_shadow_start (void *handle) +{ + nslcd_handle_t *a = handle ; + a->head[2] = 0 ; + a->needdata |= 4 ; + return 1 ; +} + +int nsssd_shadow_rewind (void *handle) +{ + nslcd_handle_t *a = handle ; + a->head[2] = 0 ; + a->needdata |= 4 ; + return 1 ; +} + +static inline int shadow_getall (nslcd_handle_t *a) +{ + tain_t deadline ; + int fd ; + buffer b ; + char buf[8192] ; + tain_add_g(&deadline, &tto) ; + fd = nslcd_connect(a, NSLCD_ACTION_SHADOW_ALL, 0, 0, &deadline) ; + if (fd < 0) return 0 ; + buffer_init(&b, &buffer_read, fd, buf, 8192) ; + if (!read_header(&b, NSLCD_ACTION_SHADOW_ALL, &deadline)) goto err ; + genalloc_setlen(nsssd_spwd_t, &a->entries[2], 0) ; + a->data[2].len = 0 ; + for (;;) + { + int r = read_beginend(&b, &deadline) ; + if (r < 0) goto err ; + if (!r) break ; + if (!genalloc_readyplus(nsssd_spwd_t, &a->entries[2], 1)) goto err ; + if (!read_sp(&b, genalloc_s(nsssd_spwd_t, &a->entries[2]) + genalloc_len(nsssd_spwd_t, &a->entries[2]), &a->data[2], &deadline)) goto err ; + genalloc_setlen(nsssd_spwd_t, &a->entries[2], genalloc_len(nsssd_spwd_t, &a->entries[2]) + 1) ; + } + if (!read_eof(&b, &deadline)) goto err ; + fd_close(fd) ; + return 1 ; + + err: + fd_close(fd) ; + return 0 ; +} + +int nsssd_shadow_get (void *handle, struct spwd *sp) +{ + nslcd_handle_t *a = handle ; + if (a->needdata & 4) + { + if (!shadow_getall(a)) return 0 ; + a->needdata &= ~4 ; + } + if (a->head[2] >= genalloc_len(nsssd_spwd_t, &a->entries[2])) return 0 ; + nsssd_spwd_convert(sp, genalloc_s(nsssd_spwd_t, &a->entries[2]) + a->head[2]++, a->data[2].s) ; + return 1 ; +} + +int nsssd_shadow_getbyname (void *handle, struct spwd *sp, char const *name) +{ + nslcd_handle_t *a = handle ; + nsssd_spwd_t spc ; + tain_t deadline ; + int fd ; + buffer b ; + char buf[4096] ; + struct iovec v[2] = { { .iov_base = buf, .iov_len = 4 }, { .iov_base = (char *)name, .iov_len = strlen(name) } } ; + tain_add_g(&deadline, &tto) ; + fd = nslcd_connect(a, NSLCD_ACTION_SHADOW_BYNAME, v, 2, &deadline) ; + if (fd < 0) return 0 ; + buffer_init(&b, &buffer_read, fd, buf, 4096) ; + if (!read_header(&b, NSLCD_ACTION_SHADOW_BYNAME, &deadline)) goto err ; + if (read_beginend(&b, &deadline) <= 0) goto err ; + a->data[2].len = 0 ; + if (!read_sp(&b, &spc, &a->data[2], &deadline)) goto err ; + if (!read_endeof(&b, &deadline)) goto err ; + fd_close(fd) ; + nsssd_spwd_convert(sp, &spc, a->data[2].s) ; + return 1 ; + + err: + fd_close(fd) ; + return 0 ; +} + +void nsssd_shadow_end (void *handle) +{ +} + +int main (int argc, char const *const *argv, char const *const *envp) +{ + PROG = "nsssd-nslcd" ; + { + subgetopt_t l = SUBGETOPT_ZERO ; + uint32_t t = 0 ; + for (;;) + { + int opt = subgetopt_r(argc, argv, "d", &l) ; + if (opt == -1) break ; + switch (opt) + { + case 't' : if (!uint320_scan(l.arg, &t)) dieusage() ; break ; + default : dieusage() ; + } + } + argc -= l.ind ; argv += l.ind ; + if (t) tain_from_millisecs(&tto, t) ; + } + + return nsssd_main(argv, envp) ; +} diff --git a/src/nsssd/nsssd-nslcd.h b/src/nsssd/nsssd-nslcd.h new file mode 100644 index 0000000..6980703 --- /dev/null +++ b/src/nsssd/nsssd-nslcd.h @@ -0,0 +1,26 @@ +/* ISC license. */ + +#ifndef NSSSD_NSLCD_H +#define NSSSD_NSLCD_H + + + /* Taken from nslcd.h */ + +#define NSLCD_VERSION 0x00000002 + +#define NSLCD_ACTION_PASSWD_BYNAME 0x00080001 +#define NSLCD_ACTION_PASSWD_BYUID 0x00080002 +#define NSLCD_ACTION_PASSWD_ALL 0x00080008 + +#define NSLCD_ACTION_GROUP_BYNAME 0x00040001 +#define NSLCD_ACTION_GROUP_BYGID 0x00040002 +#define NSLCD_ACTION_GROUP_BYMEMBER 0x00040006 +#define NSLCD_ACTION_GROUP_ALL 0x00040008 + +#define NSLCD_ACTION_SHADOW_BYNAME 0x000c0001 +#define NSLCD_ACTION_SHADOW_ALL 0x000c0008 + +#define NSLCD_RESULT_BEGIN 1 +#define NSLCD_RESULT_END 2 + +#endif diff --git a/src/nsssd/nsssd-unix.c b/src/nsssd/nsssd-unix.c new file mode 100644 index 0000000..e158c9f --- /dev/null +++ b/src/nsssd/nsssd-unix.c @@ -0,0 +1,170 @@ +/* ISC license. */ + +#include <skalibs/strerr2.h> +#include <nsss/pwd-unix.h> +#include <nsss/grp-unix.h> +#include <nsss/shadow-unix.h> +#include <nsss/nsssd.h> + +void *nsssd_handle_init (void) +{ + return 0 ; +} + +int nsssd_handle_start (void *handle, char const *const *argv, char const *const *envp) +{ + (void)handle ; + (void)argv ; + (void)envp ; + return 1 ; +} + +void nsssd_handle_end (void *handle) +{ + (void)handle ; +} + +int nsssd_pwd_start (void *handle) +{ + (void)handle ; + return 1 ; +} + +int nsssd_pwd_rewind (void *handle) +{ + nsss_unix_setpwent() ; + (void)handle ; + return 1 ; +} + +int nsssd_pwd_get (void *handle, struct passwd *pw) +{ + struct passwd *pw2 = nsss_unix_getpwent() ; + if (!pw2) return 0 ; + *pw = *pw2 ; + (void)handle ; + return 1 ; +} + +int nsssd_pwd_getbyuid (void *handle, struct passwd *pw, uid_t uid) +{ + struct passwd *pw2 = nsss_unix_getpwuid(uid) ; + if (!pw2) return 0 ; + *pw = *pw2 ; + (void)handle ; + return 1 ; +} + +int nsssd_pwd_getbyname (void *handle, struct passwd *pw, char const *name) +{ + struct passwd *pw2 = nsss_unix_getpwnam(name) ; + if (!pw2) return 0 ; + *pw = *pw2 ; + (void)handle ; + return 1 ; +} + +void nsssd_pwd_end (void *handle) +{ + nsss_unix_endpwent() ; + (void)handle ; +} + +void nsssd_grp_handle_init (void *handle) +{ + (void)handle ; +} + +int nsssd_grp_start (void *handle) +{ + (void)handle ; + return 1 ; +} + +int nsssd_grp_rewind (void *handle) +{ + nsss_unix_setgrent() ; + (void)handle ; + return 1 ; +} + +int nsssd_grp_get (void *handle, struct group *gr) +{ + struct group *gr2 = nsss_unix_getgrent() ; + if (!gr2) return 0 ; + *gr = *gr2 ; + (void)handle ; + return 1 ; +} + +int nsssd_grp_getbygid (void *handle, struct group *gr, gid_t gid) +{ + struct group *gr2 = nsss_unix_getgrgid(gid) ; + if (!gr2) return 0 ; + *gr = *gr2 ; + (void)handle ; + return 1 ; +} + +int nsssd_grp_getbyname (void *handle, struct group *gr, char const *name) +{ + struct group *gr2 = nsss_unix_getgrnam(name) ; + if (!gr2) return 0 ; + *gr = *gr2 ; + (void)handle ; + return 1 ; +} + +void nsssd_grp_end (void *handle) +{ + nsss_unix_endgrent() ; + (void)handle ; +} + +void nsssd_shadow_handle_init (void *handle) +{ + (void)handle ; +} + +int nsssd_shadow_start (void *handle) +{ + (void)handle ; + return 1 ; +} + +int nsssd_shadow_rewind (void *handle) +{ + nsss_unix_setspent() ; + (void)handle ; + return 1 ; +} + +int nsssd_shadow_get (void *handle, struct spwd *sp) +{ + struct spwd *sp2 = nsss_unix_getspent() ; + if (!sp2) return 0 ; + *sp = *sp2 ; + (void)handle ; + return 1 ; +} + +int nsssd_shadow_getbyname (void *handle, struct spwd *sp, char const *name) +{ + struct spwd *sp2 = nsss_unix_getspnam(name) ; + if (!sp2) return 0 ; + *sp = *sp2 ; + (void)handle ; + return 1 ; +} + +void nsssd_shadow_end (void *handle) +{ + nsss_unix_endspent() ; + (void)handle ; +} + +int main (int argc, char const *const *argv, char const *const *envp) +{ + PROG = "nsssd-unix" ; + return nsssd_main(argv+1, envp) ; +} diff --git a/src/nsssd/nsssd_convert.c b/src/nsssd/nsssd_convert.c new file mode 100644 index 0000000..2113c6e --- /dev/null +++ b/src/nsssd/nsssd_convert.c @@ -0,0 +1,41 @@ +/* ISC license. */ + +#include <string.h> +#include <nsss/pwd-def.h> +#include <nsss/grp-def.h> +#include <nsss/shadow-def.h> +#include <nsss/nsssd.h> + +void nsssd_passwd_convert (struct passwd *pw, nsssd_passwd_t const *p, char const *s) +{ + pw->pw_name = (char *)s + p->pw_name ; + pw->pw_passwd = (char *)s + p->pw_passwd ; + pw->pw_uid = p->pw_uid ; + pw->pw_gid = p->pw_gid ; + pw->pw_gecos = (char *)s + p->pw_gecos ; + pw->pw_dir = (char *)s + p->pw_dir ; + pw->pw_shell = (char *)s + p->pw_shell ; +} + +void nsssd_group_convert (struct group *gr, char **q, nsssd_group_t const *p, char const *s, size_t const *membase) +{ + gr->gr_name = (char *)s + p->gr_name ; + gr->gr_passwd = (char *)s + p->gr_passwd ; + gr->gr_gid = p->gr_gid ; + gr->gr_mem = q ; + for (size_t i = 0 ; i < p->gr_mem_n ; i++) *q++ = (char *)s + membase[p->gr_mem + i] ; + *q++ = 0 ; +} + +void nsssd_spwd_convert (struct spwd *sp, nsssd_spwd_t const *p, char const *s) +{ + sp->sp_namp = (char *)s + p->sp_namp ; + sp->sp_pwdp = (char *)s + p->sp_pwdp ; + sp->sp_lstchg = p->sp_lstchg ; + sp->sp_min = p->sp_min ; + sp->sp_max = p->sp_max ; + sp->sp_warn = p->sp_warn ; + sp->sp_inact = p->sp_inact ; + sp->sp_expire = p->sp_expire ; + sp->sp_flag = p->sp_flag ; +} diff --git a/src/nsssd/nsssd_main.c b/src/nsssd/nsssd_main.c new file mode 100644 index 0000000..8673df4 --- /dev/null +++ b/src/nsssd/nsssd_main.c @@ -0,0 +1,419 @@ +/* ISC license. */ + +#include <string.h> +#include <errno.h> +#include <skalibs/uint32.h> +#include <skalibs/uint64.h> +#include <skalibs/error.h> +#include <skalibs/buffer.h> +#include <skalibs/strerr2.h> +#include <skalibs/tai.h> +#include <skalibs/djbunix.h> +#include <skalibs/unix-timed.h> +#include <nsss/pwd-def.h> +#include <nsss/grp-def.h> +#include <nsss/shadow-def.h> +#include <nsss/nsss-switch.h> +#include <nsss/nsssd.h> + +static unsigned int initted = 0 ; + +static void get0 (char *s, size_t n) +{ + tain_t deadline ; + tain_ulong(&deadline, 30) ; + tain_add_g(&deadline, &deadline) ; + if (buffer_timed_get_g(buffer_0small, s, n, &deadline) < n) + strerr_diefu1sys(111, "read from stdin") ; +} + +static void put1 (char const *s, size_t n) +{ + size_t w = 0 ; + tain_t deadline ; + tain_ulong(&deadline, 30) ; + tain_add_g(&deadline, &deadline) ; + while (!buffer_putall(buffer_1, s, n, &w)) + { + if (!buffer_timed_flush_g(buffer_1, &deadline)) + strerr_diefu1sys(111, "write to stdout") ; + } +} + +static void flush1 (void) +{ + tain_t deadline ; + tain_ulong(&deadline, 2) ; + tain_add_g(&deadline, &deadline) ; + if (!buffer_timed_flush_g(buffer_1, &deadline)) + strerr_diefu1sys(111, "write to stdout") ; +} + +static void answer (int e) +{ + unsigned char c = e ; + buffer_putnoflush(buffer_1, (char *)&c, 1) ; + flush1() ; +} + +static inline void print_pw (struct passwd const *pw) +{ + size_t len, namelen, passwdlen, gecoslen, dirlen, shelllen ; + char pack[12] ; + namelen = strlen(pw->pw_name) + 1 ; + passwdlen = strlen(pw->pw_passwd) + 1 ; + gecoslen = strlen(pw->pw_gecos) + 1 ; + dirlen = strlen(pw->pw_dir) + 1 ; + shelllen = strlen(pw->pw_shell) + 1 ; + len = namelen + passwdlen + gecoslen + dirlen + shelllen ; + if (len > 0xffffffff) { answer(ENAMETOOLONG) ; return ; } + put1("", 1) ; + uint32_pack_big(pack, pw->pw_uid) ; + uint32_pack_big(pack + 4, pw->pw_gid) ; + uint32_pack_big(pack + 8, len) ; + put1(pack, 12) ; + put1(pw->pw_name, namelen) ; + put1(pw->pw_passwd, passwdlen) ; + put1(pw->pw_gecos, gecoslen) ; + put1(pw->pw_dir, dirlen) ; + put1(pw->pw_shell, shelllen) ; + flush1() ; +} + +static inline void print_gr (struct group const *gr) +{ + size_t len, namelen, passwdlen ; + size_t n = 0 ; + char pack[12] ; + namelen = strlen(gr->gr_name) + 1 ; + passwdlen = strlen(gr->gr_passwd) + 1 ; + len = namelen + passwdlen ; + for (char **p = gr->gr_mem ; *p ; n++, p++) len += strlen(*p) + 1 ; + if (len > 0xffffffffu || n > 0x30000000u) { answer(ENAMETOOLONG) ; return ; } + put1("", 1) ; + uint32_pack_big(pack, gr->gr_gid) ; + uint32_pack_big(pack, len) ; + uint32_pack_big(pack, n) ; + put1(pack, 12) ; + put1(gr->gr_name, namelen) ; + put1(gr->gr_passwd, passwdlen) ; + for (size_t i = 0 ; i < n ; i++) + put1(gr->gr_mem[i], strlen(gr->gr_mem[i]) + 1) ; + flush1() ; +} + +static inline void print_sp (struct spwd const *sp) +{ + size_t len, namplen, pwdplen ; + char pack[60] ; + namplen = strlen(sp->sp_namp) + 1 ; + pwdplen = strlen(sp->sp_pwdp) + 1 ; + len = namplen + pwdplen ; + if (len > 0xffffffff) { answer(ENAMETOOLONG) ; return ; } + put1("", 1) ; + uint64_pack_big(pack, sp->sp_lstchg) ; + uint64_pack_big(pack + 8, sp->sp_min) ; + uint64_pack_big(pack + 16, sp->sp_max) ; + uint64_pack_big(pack + 24, sp->sp_warn) ; + uint64_pack_big(pack + 32, sp->sp_inact) ; + uint64_pack_big(pack + 40, sp->sp_expire) ; + uint64_pack_big(pack + 48, sp->sp_flag) ; + uint32_pack_big(pack + 56, len) ; + put1(pack, 60) ; + put1(sp->sp_namp, namplen) ; + put1(sp->sp_pwdp, pwdplen) ; + flush1() ; +} + + +static inline void do_pwend (void *a) +{ + nsssd_pwd_end(a) ; + answer(0) ; +} + +static inline void do_pwrewind (void *a) +{ + if (!(initted & 1)) + { + if (!nsssd_pwd_start(a)) + { + answer(errno) ; + return ; + } + initted |= 1 ; + } + if (!nsssd_pwd_rewind(a)) + { + answer(errno) ; + return ; + } + answer(0) ; +} + +static inline void do_pwget (void *a) +{ + struct passwd pw ; + if (!(initted & 1)) + { + if (!nsssd_pwd_start(a)) + { + answer(errno ? errno : NSSSD_EOF) ; + return ; + } + initted |= 1 ; + } + if (!nsssd_pwd_get(a, &pw)) + { + answer(errno ? errno : NSSSD_EOF) ; + return ; + } + print_pw(&pw) ; +} + +static inline void do_pwnam (void *a) +{ + struct passwd pw ; + uint32_t len ; + char buf[4] ; + get0(buf, 4) ; + uint32_unpack_big(buf, &len) ; + if (!len || len > NSSS_SWITCH_NAME_MAXLEN - 1) + { + answer(EPROTO) ; + return ; + } + { + char name[len] ; + get0(name, len) ; + if (name[len-1]) + { + answer(EPROTO) ; + return ; + } + if (!nsssd_pwd_getbyname(a, &pw, name)) + { + answer(errno ? errno : NSSSD_EOF) ; + return ; + } + } + print_pw(&pw) ; +} + +static inline void do_pwuid (void *a) +{ + struct passwd pw ; + uint32_t uid ; + char buf[4] ; + get0(buf, 4) ; + uint32_unpack_big(buf, &uid) ; + if (!nsssd_pwd_getbyuid(a, &pw, uid)) + { + answer(errno ? errno : NSSSD_EOF) ; + return ; + } + print_pw(&pw) ; +} + +static inline void do_grend (void *a) +{ + nsssd_grp_end(a) ; + answer(0) ; +} + +static inline void do_grrewind (void *a) +{ + if (!(initted & 2)) + { + if (!nsssd_grp_start(a)) + { + answer(errno) ; + return ; + } + initted |= 2 ; + } + if (!nsssd_grp_rewind(a)) + { + answer(errno) ; + return ; + } + answer(0) ; +} + +static inline void do_grget (void *a) +{ + struct group gr ; + if (!(initted & 2)) + { + if (!nsssd_grp_start(a)) + { + answer(errno) ; + return ; + } + initted |= 2 ; + } + if (!nsssd_grp_get(a, &gr)) + { + answer(errno ? errno : NSSSD_EOF) ; + return ; + } + print_gr(&gr) ; +} + +static inline void do_grnam (void *a) +{ + struct group gr ; + uint32_t len ; + char buf[4] ; + get0(buf, 4) ; + uint32_unpack_big(buf, &len) ; + if (!len || len > NSSS_SWITCH_NAME_MAXLEN - 1) + { + answer(EPROTO) ; + return ; + } + { + char name[len] ; + get0(name, len) ; + if (name[len-1]) + { + answer(EPROTO) ; + return ; + } + if (!nsssd_grp_getbyname(a, &gr, name)) + { + answer(errno ? errno : NSSSD_EOF) ; + return ; + } + } + print_gr(&gr) ; +} + +static inline void do_grgid (void *a) +{ + struct group gr ; + uint32_t gid ; + char buf[4] ; + get0(buf, 4) ; + uint32_unpack_big(buf, &gid) ; + if (!nsssd_grp_getbygid(a, &gr, gid)) + { + answer(errno ? errno : NSSSD_EOF) ; + return ; + } + print_gr(&gr) ; +} + +static inline void do_spend (void *a) +{ + nsssd_shadow_end(a) ; + answer(0) ; +} + +static inline void do_sprewind (void *a) +{ + if (!(initted & 4)) + { + if (!nsssd_shadow_start(a)) + { + answer(errno) ; + return ; + } + initted |= 4 ; + } + if (!nsssd_shadow_rewind(a)) + { + answer(errno) ; + return ; + } + answer(0) ; +} + +static inline void do_spget (void *a) +{ + struct spwd sp ; + if (!(initted & 4)) + { + if (!nsssd_shadow_start(a)) + { + answer(errno) ; + return ; + } + initted |= 4 ; + } + if (!nsssd_shadow_get(a, &sp)) + { + answer(errno ? errno : NSSSD_EOF) ; + return ; + } + print_sp(&sp) ; +} +static inline void do_spnam (void *a) +{ + struct spwd sp ; + uint32_t len ; + char buf[4] ; + get0(buf, 4) ; + uint32_unpack_big(buf, &len) ; + if (!len || len > NSSS_SWITCH_NAME_MAXLEN - 1) + { + answer(EPROTO) ; + return ; + } + { + char name[len] ; + get0(name, len) ; + if (name[len-1]) + { + answer(EPROTO) ; + return ; + } + if (!nsssd_shadow_getbyname(a, &sp, name)) + { + answer(errno ? errno : NSSSD_EOF) ; + return ; + } + } + print_sp(&sp) ; +} + + +int nsssd_main (char const *const *argv, char const *const *envp) +{ + void *a = nsssd_handle_init() ; + if (ndelay_on(0) < 0) strerr_diefu1sys(111, "set stdin non-blocking") ; + tain_now_g() ; + if (!nsssd_handle_start(a, argv, envp)) + strerr_diefu1sys(111, "nsssd_handle_start") ; + + for (;;) + { + tain_t deadline ; + char c ; + tain_add_g(&deadline, &tain_infinite_relative) ; + if (!buffer_timed_get_g(buffer_0small, &c, 1, &deadline)) break ; + errno = 0 ; + switch (c) + { + case NSSS_SWITCH_PWD_END : do_pwend(a) ; break ; + case NSSS_SWITCH_PWD_REWIND : do_pwrewind(a) ; break ; + case NSSS_SWITCH_PWD_GET : do_pwget(a) ; break ; + case NSSS_SWITCH_PWD_GETBYNAME : do_pwnam(a) ; break ; + case NSSS_SWITCH_PWD_GETBYUID : do_pwuid(a) ; break ; + case NSSS_SWITCH_GRP_END : do_grend(a) ; break ; + case NSSS_SWITCH_GRP_REWIND : do_grrewind(a) ; break ; + case NSSS_SWITCH_GRP_GET : do_grget(a) ; break ; + case NSSS_SWITCH_GRP_GETBYNAME : do_grnam(a) ; break ; + case NSSS_SWITCH_GRP_GETBYGID : do_grgid(a) ; break ; + case NSSS_SWITCH_SHADOW_END : do_spend(a) ; break ; + case NSSS_SWITCH_SHADOW_REWIND : do_sprewind(a) ; break ; + case NSSS_SWITCH_SHADOW_GET : do_spget(a) ; break ; + case NSSS_SWITCH_SHADOW_GETBYNAME : do_spnam(a) ; break ; + default : + errno = EPROTO ; + strerr_diefu1sys(1, "interpret stdin") ; + } + } + nsssd_handle_end(a) ; + return 0 ; +} |