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path: root/src/conn-tools/s6-ipcserver-access.c
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Diffstat (limited to 'src/conn-tools/s6-ipcserver-access.c')
-rw-r--r--src/conn-tools/s6-ipcserver-access.c211
1 files changed, 0 insertions, 211 deletions
diff --git a/src/conn-tools/s6-ipcserver-access.c b/src/conn-tools/s6-ipcserver-access.c
deleted file mode 100644
index 183f56c..0000000
--- a/src/conn-tools/s6-ipcserver-access.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/* ISC license. */
-
-#include <unistd.h>
-#include <errno.h>
-#include <skalibs/gccattributes.h>
-#include <skalibs/uint.h>
-#include <skalibs/strerr2.h>
-#include <skalibs/sgetopt.h>
-#include <skalibs/cdb.h>
-#include <skalibs/env.h>
-#include <skalibs/djbunix.h>
-#include <skalibs/webipc.h>
-#include <execline/config.h>
-#include <s6-networking/accessrules.h>
-
-#define USAGE "s6-ipcserver-access [ -v verbosity ] [ -e | -E ] [ -l localname ] [ -i rulesdir | -x rulesfile ] prog..."
-
-static unsigned int verbosity = 1 ;
-
- /* Utility functions */
-
-static inline void dieusage (void) gccattr_noreturn ;
-static inline void dieusage ()
-{
- strerr_dieusage(100, USAGE) ;
-}
-
-static inline void dienomem (void) gccattr_noreturn ;
-static inline void dienomem ()
-{
- strerr_diefu1sys(111, "update environment") ;
-}
-
-static inline void X (void) gccattr_noreturn ;
-static inline void X ()
-{
- strerr_dief1x(101, "internal inconsistency. Please submit a bug-report.") ;
-}
-
-
- /* Logging */
-
-static void logit (unsigned int pid, unsigned int uid, unsigned int gid, int h)
-{
- char fmtpid[UINT_FMT] ;
- char fmtuid[UINT_FMT] ;
- char fmtgid[UINT_FMT] ;
- fmtpid[uint_fmt(fmtpid, pid)] = 0 ;
- fmtuid[uint_fmt(fmtuid, uid)] = 0 ;
- fmtgid[uint_fmt(fmtgid, gid)] = 0 ;
- if (h) strerr_warni7x("allow", " pid ", fmtpid, " uid ", fmtuid, " gid ", fmtgid) ;
- else strerr_warni7sys("deny", " pid ", fmtpid, " uid ", fmtuid, " gid ", fmtgid) ;
-}
-
-static inline void log_accept (unsigned int pid, unsigned int uid, unsigned int gid)
-{
- logit(pid, uid, gid, 1) ;
-}
-
-static inline void log_deny (unsigned int pid, unsigned int uid, unsigned int gid)
-{
- logit(pid, uid, gid, 0) ;
-}
-
-
- /* Checking */
-
-static s6net_accessrules_result_t check_cdb (unsigned int uid, unsigned int gid, char const *file, s6net_accessrules_params_t *params)
-{
- struct cdb c = CDB_ZERO ;
- int fd = open_readb(file) ;
- register s6net_accessrules_result_t r ;
- if (fd < 0) return -1 ;
- if (cdb_init(&c, fd) < 0) strerr_diefu2sys(111, "cdb_init ", file) ;
- r = s6net_accessrules_uidgid_cdb(uid, gid, &c, params) ;
- cdb_free(&c) ;
- fd_close(fd) ;
- return r ;
-}
-
-static inline int check (s6net_accessrules_params_t *params, char const *rules, unsigned int rulestype, unsigned int uid, unsigned int gid)
-{
- char const *x = "" ;
- s6net_accessrules_result_t r ;
- switch (rulestype)
- {
- case 0 :
- if (verbosity >= 2) strerr_warnw1x("invoked without a ruleset!") ;
- return 1 ;
- case 1 :
- r = s6net_accessrules_uidgid_fs(uid, gid, rules, params) ;
- x = "fs" ;
- break ;
- case 2 :
- r = check_cdb(uid, gid, rules, params) ;
- x = "cdb" ;
- break ;
- default : X() ;
- }
- switch (r)
- {
- case S6NET_ACCESSRULES_ERROR : strerr_diefu4sys(111, "check ", x, " ruleset in ", rules) ;
- case S6NET_ACCESSRULES_ALLOW : return 1 ;
- case S6NET_ACCESSRULES_DENY : return (errno = EACCES, 0) ;
- case S6NET_ACCESSRULES_NOTFOUND : return (errno = ENOENT, 0) ;
- default : X() ;
- }
-}
-
-
-int main (int argc, char const *const *argv, char const *const *envp)
-{
- s6net_accessrules_params_t params = S6NET_ACCESSRULES_PARAMS_ZERO ;
- char const *rules = 0 ;
- char const *localname = 0 ;
- char const *proto ;
- unsigned int protolen ;
- unsigned int uid = 0, gid = 0 ;
- unsigned int rulestype = 0 ;
- int doenv = 1 ;
- PROG = "s6-ipcserver-access" ;
- {
- subgetopt_t l = SUBGETOPT_ZERO ;
- for (;;)
- {
- register int opt = subgetopt_r(argc, argv, "v:Eel:i:x:", &l) ;
- if (opt == -1) break ;
- switch (opt)
- {
- case 'v' : if (!uint0_scan(l.arg, &verbosity)) dieusage() ; break ;
- case 'E' : doenv = 0 ; break ;
- case 'e' : doenv = 1 ; break ;
- case 'l' : localname = l.arg ; break ;
- case 'i' : rules = l.arg ; rulestype = 1 ; break ;
- case 'x' : rules = l.arg ; rulestype = 2 ; break ;
- default : dieusage() ;
- }
- }
- argc -= l.ind ; argv += l.ind ;
- }
- if (!argc) dieusage() ;
- if (!*argv[0]) dieusage() ;
-
- proto = env_get2(envp, "PROTO") ;
- if (!proto) strerr_dienotset(100, "PROTO") ;
- protolen = str_len(proto) ;
-
- {
- char const *x ;
- char tmp[protolen + 11] ;
- byte_copy(tmp, protolen, proto) ;
- byte_copy(tmp + protolen, 11, "REMOTEEUID") ;
- x = env_get2(envp, tmp) ;
- if (!x) strerr_dienotset(100, tmp) ;
- if (!uint0_scan(x, &uid)) strerr_dieinvalid(100, tmp) ;
- tmp[protolen + 7] = 'G' ;
- x = env_get2(envp, tmp) ;
- if (!x) strerr_dienotset(100, tmp) ;
- if (!uint0_scan(x, &gid)) strerr_dieinvalid(100, tmp) ;
- }
-
- if (!check(&params, rules, rulestype, uid, gid))
- {
- if (verbosity >= 2) log_deny(getpid(), uid, gid) ;
- return 1 ;
- }
- if (verbosity) log_accept(getpid(), uid, gid) ;
-
- if (doenv)
- {
- char tmp[protolen + 10] ;
- byte_copy(tmp, protolen, proto) ;
- byte_copy(tmp + protolen, 10, "LOCALPATH") ;
- if (localname)
- {
- if (!env_addmodif(&params.env, tmp, localname)) dienomem() ;
- }
- else
- {
- char curname[IPCPATH_MAX+1] ;
- int dummy ;
- if (ipc_local(0, curname, IPCPATH_MAX+1, &dummy) < 0)
- strerr_diefu1sys(111, "ipc_local") ;
- if (!env_addmodif(&params.env, tmp, curname)) dienomem() ;
- }
- }
- else
- {
- char tmp[protolen + 11] ;
- byte_copy(tmp, protolen, proto) ;
- byte_copy(tmp + protolen, 11, "REMOTEEUID") ;
- if (!env_addmodif(&params.env, "PROTO", 0)) dienomem() ;
- if (!env_addmodif(&params.env, tmp, 0)) dienomem() ;
- tmp[protolen + 7] = 'G' ;
- if (!env_addmodif(&params.env, tmp, 0)) dienomem() ;
- byte_copy(tmp + protolen + 6, 5, "PATH") ;
- if (!env_addmodif(&params.env, tmp, 0)) dienomem() ;
- byte_copy(tmp + protolen, 10, "LOCALPATH") ;
- if (!env_addmodif(&params.env, tmp, 0)) dienomem() ;
- }
-
- if (params.exec.len)
- {
- char *specialargv[4] = { EXECLINE_EXTBINPREFIX "execlineb", "-c", params.exec.s, 0 } ;
- pathexec_r((char const *const *)specialargv, envp, env_len(envp), params.env.s, params.env.len) ;
- strerr_dieexec(111, specialargv[0]) ;
- }
-
- pathexec_r(argv, envp, env_len(envp), params.env.s, params.env.len) ;
- strerr_dieexec(111, argv[0]) ;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-20 17:52:16 +0000