summaryrefslogtreecommitdiffstats
path: root/libmisc/prefix_flag.c
diff options
context:
space:
mode:
Diffstat (limited to 'libmisc/prefix_flag.c')
-rw-r--r--libmisc/prefix_flag.c340
1 files changed, 0 insertions, 340 deletions
diff --git a/libmisc/prefix_flag.c b/libmisc/prefix_flag.c
deleted file mode 100644
index 4eb5154..0000000
--- a/libmisc/prefix_flag.c
+++ /dev/null
@@ -1,340 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2011 , Julian Pidancet
- * SPDX-FileCopyrightText: 2011 , Nicolas François
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <config.h>
-
-#ident "$Id$"
-
-#include <stdio.h>
-#include <assert.h>
-#include "defines.h"
-#include "prototypes.h"
-/*@-exitarg@*/
-#include "exitcodes.h"
-#include "groupio.h"
-#include "pwio.h"
-#ifdef SHADOWGRP
-#include "sgroupio.h"
-#endif
-#include "shadowio.h"
-#ifdef ENABLE_SUBIDS
-#include "subordinateio.h"
-#endif /* ENABLE_SUBIDS */
-#include "getdef.h"
-#include "shadowlog.h"
-
-static char *passwd_db_file = NULL;
-static char *spw_db_file = NULL;
-static char *group_db_file = NULL;
-static char *sgroup_db_file = NULL;
-static char *suid_db_file = NULL;
-static char *sgid_db_file = NULL;
-static char *def_conf_file = NULL;
-static FILE* fp_pwent = NULL;
-static FILE* fp_grent = NULL;
-
-/*
- * process_prefix_flag - prefix all paths if given the --prefix option
- *
- * This shall be called before accessing the passwd, group, shadow,
- * gshadow, useradd's default, login.defs files (non exhaustive list)
- * or authenticating the caller.
- *
- * The audit, syslog, or locale files shall be open before
- */
-extern const char* process_prefix_flag (const char* short_opt, int argc, char **argv)
-{
- /*
- * Parse the command line options.
- */
- int i;
- const char *prefix = NULL, *val;
-
- for (i = 0; i < argc; i++) {
- val = NULL;
- if ( (strcmp (argv[i], "--prefix") == 0)
- || ((strncmp (argv[i], "--prefix=", 9) == 0)
- && (val = argv[i] + 9))
- || (strcmp (argv[i], short_opt) == 0)) {
- if (NULL != prefix) {
- fprintf (log_get_logfd(),
- _("%s: multiple --prefix options\n"),
- log_get_progname());
- exit (E_BAD_ARG);
- }
-
- if (val) {
- prefix = val;
- } else if (i + 1 == argc) {
- fprintf (log_get_logfd(),
- _("%s: option '%s' requires an argument\n"),
- log_get_progname(), argv[i]);
- exit (E_BAD_ARG);
- } else {
- prefix = argv[++ i];
- }
- }
- }
-
-
-
- if (prefix != NULL) {
- if ( prefix[0] == '\0' || !strcmp(prefix, "/"))
- return ""; /* if prefix is "/" then we ignore the flag option */
- /* should we prevent symbolic link from being used as a prefix? */
-
- if ( prefix[0] != '/') {
- fprintf (log_get_logfd(),
- _("%s: prefix must be an absolute path\n"),
- log_get_progname());
- exit (E_BAD_ARG);
- }
- size_t len;
- len = strlen(prefix) + strlen(PASSWD_FILE) + 2;
- passwd_db_file = xmalloc(len);
- snprintf(passwd_db_file, len, "%s/%s", prefix, PASSWD_FILE);
- pw_setdbname(passwd_db_file);
-
- len = strlen(prefix) + strlen(GROUP_FILE) + 2;
- group_db_file = xmalloc(len);
- snprintf(group_db_file, len, "%s/%s", prefix, GROUP_FILE);
- gr_setdbname(group_db_file);
-
-#ifdef SHADOWGRP
- len = strlen(prefix) + strlen(SGROUP_FILE) + 2;
- sgroup_db_file = xmalloc(len);
- snprintf(sgroup_db_file, len, "%s/%s", prefix, SGROUP_FILE);
- sgr_setdbname(sgroup_db_file);
-#endif
-#ifdef USE_NIS
- __setspNIS(0); /* disable NIS for now, at least until it is properly supporting a "prefix" */
-#endif
-
- len = strlen(prefix) + strlen(SHADOW_FILE) + 2;
- spw_db_file = xmalloc(len);
- snprintf(spw_db_file, len, "%s/%s", prefix, SHADOW_FILE);
- spw_setdbname(spw_db_file);
-
-#ifdef ENABLE_SUBIDS
- len = strlen(prefix) + strlen("/etc/subuid") + 2;
- suid_db_file = xmalloc(len);
- snprintf(suid_db_file, len, "%s/%s", prefix, "/etc/subuid");
- sub_uid_setdbname(suid_db_file);
-
- len = strlen(prefix) + strlen("/etc/subgid") + 2;
- sgid_db_file = xmalloc(len);
- snprintf(sgid_db_file, len, "%s/%s", prefix, "/etc/subgid");
- sub_gid_setdbname(sgid_db_file);
-#endif
-
-#ifdef USE_ECONF
- setdef_config_file(prefix);
-#else
- len = strlen(prefix) + strlen("/etc/login.defs") + 2;
- def_conf_file = xmalloc(len);
- snprintf(def_conf_file, len, "%s/%s", prefix, "/etc/login.defs");
- setdef_config_file(def_conf_file);
-#endif
- }
-
- if (prefix == NULL)
- return "";
- return prefix;
-}
-
-
-extern struct group *prefix_getgrnam(const char *name)
-{
- if (group_db_file) {
- FILE* fg;
- struct group * grp = NULL;
-
- fg = fopen(group_db_file, "rt");
- if (!fg)
- return NULL;
- while ((grp = fgetgrent(fg)) != NULL) {
- if (!strcmp(name, grp->gr_name))
- break;
- }
- fclose(fg);
- return grp;
- }
-
- return getgrnam(name);
-}
-
-extern struct group *prefix_getgrgid(gid_t gid)
-{
- if (group_db_file) {
- FILE* fg;
- struct group * grp = NULL;
-
- fg = fopen(group_db_file, "rt");
- if (!fg)
- return NULL;
- while ((grp = fgetgrent(fg)) != NULL) {
- if (gid == grp->gr_gid)
- break;
- }
- fclose(fg);
- return grp;
- }
-
- return getgrgid(gid);
-}
-
-extern struct passwd *prefix_getpwuid(uid_t uid)
-{
- if (passwd_db_file) {
- FILE* fg;
- struct passwd *pwd = NULL;
-
- fg = fopen(passwd_db_file, "rt");
- if (!fg)
- return NULL;
- while ((pwd = fgetpwent(fg)) != NULL) {
- if (uid == pwd->pw_uid)
- break;
- }
- fclose(fg);
- return pwd;
- }
- else {
- return getpwuid(uid);
- }
-}
-extern struct passwd *prefix_getpwnam(const char* name)
-{
- if (passwd_db_file) {
- FILE* fg;
- struct passwd *pwd = NULL;
-
- fg = fopen(passwd_db_file, "rt");
- if (!fg)
- return NULL;
- while ((pwd = fgetpwent(fg)) != NULL) {
- if (!strcmp(name, pwd->pw_name))
- break;
- }
- fclose(fg);
- return pwd;
- }
- else {
- return getpwnam(name);
- }
-}
-extern struct spwd *prefix_getspnam(const char* name)
-{
- if (spw_db_file) {
- FILE* fg;
- struct spwd *sp = NULL;
-
- fg = fopen(spw_db_file, "rt");
- if (!fg)
- return NULL;
- while ((sp = fgetspent(fg)) != NULL) {
- if (!strcmp(name, sp->sp_namp))
- break;
- }
- fclose(fg);
- return sp;
- }
- else {
- return getspnam(name);
- }
-}
-
-extern void prefix_setpwent(void)
-{
- if (!passwd_db_file) {
- setpwent();
- return;
- }
- if (fp_pwent)
- fclose (fp_pwent);
-
- fp_pwent = fopen(passwd_db_file, "rt");
- if (!fp_pwent)
- return;
-}
-extern struct passwd* prefix_getpwent(void)
-{
- if (!passwd_db_file) {
- return getpwent();
- }
- if (!fp_pwent) {
- return NULL;
- }
- return fgetpwent(fp_pwent);
-}
-extern void prefix_endpwent(void)
-{
- if (!passwd_db_file) {
- endpwent();
- return;
- }
- if (fp_pwent)
- fclose(fp_pwent);
- fp_pwent = NULL;
-}
-
-extern void prefix_setgrent(void)
-{
- if (!group_db_file) {
- setgrent();
- return;
- }
- if (fp_grent)
- fclose (fp_grent);
-
- fp_grent = fopen(group_db_file, "rt");
- if (!fp_grent)
- return;
-}
-extern struct group* prefix_getgrent(void)
-{
- if (!group_db_file) {
- return getgrent();
- }
- return fgetgrent(fp_grent);
-}
-extern void prefix_endgrent(void)
-{
- if (!group_db_file) {
- endgrent();
- return;
- }
- if (fp_grent)
- fclose(fp_grent);
- fp_grent = NULL;
-}
-
-extern struct group *prefix_getgr_nam_gid(const char *grname)
-{
- long long int gid;
- char *endptr;
- struct group *g;
-
- if (NULL == grname) {
- return NULL;
- }
-
- if (group_db_file) {
- errno = 0;
- gid = strtoll (grname, &endptr, 10);
- if ( ('\0' != *grname)
- && ('\0' == *endptr)
- && (ERANGE != errno)
- && (gid == (gid_t)gid)) {
- return prefix_getgrgid ((gid_t) gid);
- }
- g = prefix_getgrnam (grname);
- return g ? __gr_dup(g) : NULL;
- }
- else
- return getgr_nam_gid(grname);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-16 11:56:03 +0000