From 89da9d1a44aea4e12bcd9ee227bfa3580262243f Mon Sep 17 00:00:00 2001 From: Laurent Bercot Date: Fri, 17 Feb 2023 06:27:07 +0000 Subject: Add compat boilerplate Signed-off-by: Laurent Bercot --- .gitignore | 4 +-- Makefile | 1 - package/deps.mak | 8 +++--- src/compat/deps-lib/pamela-compat | 3 ++ src/compat/misc_conv.c | 59 +++++++++++++++++++++++++++++++++++++++ src/compat/pam_misc_drop_env.c | 17 +++++++++++ src/compat/pam_misc_paste_env.c | 14 ++++++++++ src/include/pamela/compat.h | 12 ++++++++ tools/gen-deps.sh | 11 ++++++-- 9 files changed, 120 insertions(+), 9 deletions(-) create mode 100644 src/compat/deps-lib/pamela-compat create mode 100644 src/compat/misc_conv.c create mode 100644 src/compat/pam_misc_drop_env.c create mode 100644 src/compat/pam_misc_paste_env.c create mode 100644 src/include/pamela/compat.h diff --git a/.gitignore b/.gitignore index 3d0b823..704b3d3 100644 --- a/.gitignore +++ b/.gitignore @@ -1,7 +1,7 @@ *.o *.lo +/lib*.a.xyzzy +/lib*.so.xyzzy /config.mak /src/include/pamela/config.h /pamelad -/libpamela.a.xyzzy -/libpamela.so.xyzzy diff --git a/Makefile b/Makefile index cd6c7f0..13fabde 100644 --- a/Makefile +++ b/Makefile @@ -16,7 +16,6 @@ CC = $(error Please use ./configure first) STATIC_LIBS := SHARED_LIBS := -INTERNAL_LIBS := EXTRA_TARGETS := LIB_DEFS := diff --git a/package/deps.mak b/package/deps.mak index aa9d239..7e33afd 100644 --- a/package/deps.mak +++ b/package/deps.mak @@ -2,6 +2,7 @@ # This file has been generated by tools/gen-deps.sh # +src/include/pamela/compat.h: src/include/pamela/pam.h src/include/pamela/pam.h: src/include/pamela/pamela.h src/include/pamela/pamela.h: src/include/pamela/common.h src/pamela/pamela-internal.h: src/include/pamela/pamela.h @@ -38,12 +39,10 @@ src/pamela/pamela_zero.o src/pamela/pamela_zero.lo: src/pamela/pamela_zero.c src src/pamela/pamelad.o src/pamela/pamelad.lo: src/pamela/pamelad.c src/include/pamela/common.h ifeq ($(strip $(STATIC_LIBS_ARE_PIC)),) -libpamela-compat.a.xyzzy: src/compat/ +libpamela-compat.a.xyzzy: src/compat/misc_conv.o src/compat/pam_misc_drop_env.o src/compat/pam_misc_paste_env.o else -libpamela-compat.a.xyzzy: src/compat/ +libpamela-compat.a.xyzzy: src/compat/misc_conv.lo src/compat/pam_misc_drop_env.lo src/compat/pam_misc_paste_env.lo endif -libpamela-compat.so.xyzzy: EXTRA_LIBS := -libpamela-compat.so.xyzzy: src/compat/ ifeq ($(strip $(STATIC_LIBS_ARE_PIC)),) libpamela.a.xyzzy: src/pamela/pam_acct_mgmt.o src/pamela/pam_authenticate.o src/pamela/pam_chauthtok.o src/pamela/pam_close_session.o src/pamela/pam_end.o src/pamela/pam_fail_delay.o src/pamela/pam_get_item.o src/pamela/pam_getenv.o src/pamela/pam_getenvlist.o src/pamela/pam_open_session.o src/pamela/pam_putenv.o src/pamela/pam_set_item.o src/pamela/pam_setcred.o src/pamela/pam_start.o src/pamela/pam_strerror.o src/pamela/pamela_end.o src/pamela/pamela_get_item.o src/pamela/pamela_getenvlist.o src/pamela/pamela_op.o src/pamela/pamela_pam_response_free.o src/pamela/pamela_query_string.o src/pamela/pamela_set_item.o src/pamela/pamela_set_item_internal.o src/pamela/pamela_set_itemv.o src/pamela/pamela_startf.o src/pamela/pamela_strerror.o src/pamela/pamela_zero.o else @@ -53,3 +52,4 @@ libpamela.so.xyzzy: EXTRA_LIBS := libpamela.so.xyzzy: src/pamela/pam_acct_mgmt.lo src/pamela/pam_authenticate.lo src/pamela/pam_chauthtok.lo src/pamela/pam_close_session.lo src/pamela/pam_end.lo src/pamela/pam_fail_delay.lo src/pamela/pam_get_item.lo src/pamela/pam_getenv.lo src/pamela/pam_getenvlist.lo src/pamela/pam_open_session.lo src/pamela/pam_putenv.lo src/pamela/pam_set_item.lo src/pamela/pam_setcred.lo src/pamela/pam_start.lo src/pamela/pam_strerror.lo src/pamela/pamela_end.lo src/pamela/pamela_get_item.lo src/pamela/pamela_getenvlist.lo src/pamela/pamela_op.lo src/pamela/pamela_pam_response_free.lo src/pamela/pamela_query_string.lo src/pamela/pamela_set_item.lo src/pamela/pamela_set_item_internal.lo src/pamela/pamela_set_itemv.lo src/pamela/pamela_startf.lo src/pamela/pamela_strerror.lo src/pamela/pamela_zero.lo pamelad: EXTRA_LIBS := -lskarnet ${PAM_LIB} pamelad: src/pamela/pamelad.o +INTERNAL_LIBS := libpamela-compat.a.xyzzy diff --git a/src/compat/deps-lib/pamela-compat b/src/compat/deps-lib/pamela-compat new file mode 100644 index 0000000..d6fbe42 --- /dev/null +++ b/src/compat/deps-lib/pamela-compat @@ -0,0 +1,3 @@ +misc_conv.o +pam_misc_drop_env.o +pam_misc_paste_env.o diff --git a/src/compat/misc_conv.c b/src/compat/misc_conv.c new file mode 100644 index 0000000..23d23fb --- /dev/null +++ b/src/compat/misc_conv.c @@ -0,0 +1,59 @@ +/* ISC license. */ + +#include +#include +#include +#include +#include +#include +#include + +/* +static void freeres (struct pam_response *res, unsigned int n) +{ + while (n--) free(res[n].resp) ; + free(res) ; +} +*/ + +static int getsa (int h, char const *msg, stralloc *sa) +{ + /* TODO: complete this */ + return 0 ; +} + +int misc_conv (int n, struct pam_message const **msg, struct pam_response **resp, void *aux) +{ + stralloc sa = STRALLOC_ZERO ; + struct pam_response *res ; + if (n <= 0) return PAM_CONV_ERR ; + res = malloc(n * sizeof(struct pam_response)) ; + if (!res) return PAM_CONV_ERR ; + for (unsigned int i = 0 ; i < n ; i++) + { + switch (msg[i]->msg_style) + { + case PAM_PROMPT_ECHO_OFF : + if (getsa(0, msg[i]->msg, &sa)) goto fail ; + break ; + case PAM_PROMPT_ECHO_ON : + if (getsa(1, msg[i]->msg, &sa)) goto fail ; + break ; + case PAM_ERROR_MSG : + strerr_warnw1x(msg[i]->msg) ; + break ; + case PAM_TEXT_INFO : + { + size_t len = strlen(msg[i]->msg) ; + if (allwrite(1, msg[i]->msg, len) < len) goto fail ; + break ; + } + case PAM_BINARY_PROMPT : /* TODO */ + break ; + } + } + return 0 ; + + fail: /* TODO: check */ + return -1 ; +} diff --git a/src/compat/pam_misc_drop_env.c b/src/compat/pam_misc_drop_env.c new file mode 100644 index 0000000..a8a7564 --- /dev/null +++ b/src/compat/pam_misc_drop_env.c @@ -0,0 +1,17 @@ +/* ISC license. */ + +#include +#include + +static inline void env_free (char **envp) +{ + char **p = envp ; + while (*p) free(*p++) ; + free(envp) ; +} + +char **pam_misc_drop_env (char **envp) +{ + env_free(envp) ; + return 0 ; +} diff --git a/src/compat/pam_misc_paste_env.c b/src/compat/pam_misc_paste_env.c new file mode 100644 index 0000000..b70fd58 --- /dev/null +++ b/src/compat/pam_misc_paste_env.c @@ -0,0 +1,14 @@ +/* ISC license. */ + +#include +#include + +int pam_misc_paste_env (pam_handle_t *pamh, char const *const *envp) +{ + for (; *envp ; envp++) + { + int e = pam_putenv(pamh, *envp) ; + if (e != PAM_SUCCESS) return e ; + } + return PAM_SUCCESS ; +} diff --git a/src/include/pamela/compat.h b/src/include/pamela/compat.h new file mode 100644 index 0000000..04f739d --- /dev/null +++ b/src/include/pamela/compat.h @@ -0,0 +1,12 @@ +/* ISC license. */ + +#ifndef PAMELA_COMPAT_H +#define PAMELA_COMPAT_H + +#include + +extern int misc_conv (int n, struct pam_message const **, struct pam_response **, void *) ; +extern char **pam_misc_drop_env (char **) ; +extern int pam_misc_paste_env (pam_handle_t *, char const *const *) ; + +#endif diff --git a/tools/gen-deps.sh b/tools/gen-deps.sh index 27e5b3e..befe021 100755 --- a/tools/gen-deps.sh +++ b/tools/gen-deps.sh @@ -7,6 +7,8 @@ echo '# This file has been generated by tools/gen-deps.sh' echo '#' echo +internal_libs= + for dir in src/include/${package} src/* ; do for file in $(ls -1 $dir | grep -- \\.h$) ; do { @@ -70,8 +72,12 @@ for dir in $(ls -1 src | grep -v ^include) ; do echo else echo "lib${file}.a.xyzzy:$(echo "$deps" | sed 's/\.o/.lo/g')" echo endif - echo "lib${file}.so.xyzzy: EXTRA_LIBS :=$libs" - echo "lib${file}.so.xyzzy:$(echo "$deps" | sed 's/\.o/.lo/g')" + if grep -E "^LIB_DEFS [+:]=" package/targets.mak | grep -qF "$file" ; then + echo "lib${file}.so.xyzzy: EXTRA_LIBS :=$libs" + echo "lib${file}.so.xyzzy:$(echo "$deps" | sed 's/\.o/.lo/g')" + else + internal_libs="$internal_libs lib${file}.a.xyzzy" + fi done for file in $(ls -1 src/$dir/deps-exe) ; do @@ -91,3 +97,4 @@ for dir in $(ls -1 src | grep -v ^include) ; do echo "$file: src/$dir/$file.o$deps" done done +echo "INTERNAL_LIBS :=$internal_libs" -- cgit v1.2.3