diff options
Diffstat (limited to 'lib/util/util_getent.c')
-rw-r--r-- | lib/util/util_getent.c | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/lib/util/util_getent.c b/lib/util/util_getent.c deleted file mode 100644 index b9b2658f59..0000000000 --- a/lib/util/util_getent.c +++ /dev/null @@ -1,283 +0,0 @@ -/* - Unix SMB/CIFS implementation. - Samba utility functions - Copyright (C) Simo Sorce 2001 - Copyright (C) Jeremy Allison 2001 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. -*/ - -#include "includes.h" - - -/**************************************************************** - Returns a single linked list of group entries. - Use grent_free() to free it after use. -****************************************************************/ - -struct sys_grent * getgrent_list(void) -{ - struct sys_grent *glist; - struct sys_grent *gent; - struct group *grp; - - gent = malloc_p(struct sys_grent); - if (gent == NULL) { - DEBUG (0, ("Out of memory in getgrent_list!\n")); - return NULL; - } - memset(gent, '\0', sizeof(struct sys_grent)); - glist = gent; - - setgrent(); - grp = getgrent(); - if (grp == NULL) { - endgrent(); - SAFE_FREE(glist); - return NULL; - } - - while (grp != NULL) { - int i,num; - - if (grp->gr_name) { - if ((gent->gr_name = strdup(grp->gr_name)) == NULL) - goto err; - } - if (grp->gr_passwd) { - if ((gent->gr_passwd = strdup(grp->gr_passwd)) == NULL) - goto err; - } - gent->gr_gid = grp->gr_gid; - - /* number of strings in gr_mem */ - for (num = 0; grp->gr_mem[num]; num++) - ; - - /* alloc space for gr_mem string pointers */ - if ((gent->gr_mem = malloc_array_p(char *, num+1)) == NULL) - goto err; - - memset(gent->gr_mem, '\0', (num+1) * sizeof(char *)); - - for (i=0; i < num; i++) { - if ((gent->gr_mem[i] = strdup(grp->gr_mem[i])) == NULL) - goto err; - } - gent->gr_mem[num] = NULL; - - grp = getgrent(); - if (grp) { - gent->next = malloc_p(struct sys_grent); - if (gent->next == NULL) - goto err; - gent = gent->next; - memset(gent, '\0', sizeof(struct sys_grent)); - } - } - - endgrent(); - return glist; - - err: - - endgrent(); - DEBUG(0, ("Out of memory in getgrent_list!\n")); - grent_free(glist); - return NULL; -} - -/**************************************************************** - Free the single linked list of group entries made by - getgrent_list() -****************************************************************/ - -void grent_free (struct sys_grent *glist) -{ - while (glist) { - struct sys_grent *prev; - - SAFE_FREE(glist->gr_name); - SAFE_FREE(glist->gr_passwd); - if (glist->gr_mem) { - int i; - for (i = 0; glist->gr_mem[i]; i++) - SAFE_FREE(glist->gr_mem[i]); - SAFE_FREE(glist->gr_mem); - } - prev = glist; - glist = glist->next; - SAFE_FREE(prev); - } -} - -/**************************************************************** - Returns a single linked list of passwd entries. - Use pwent_free() to free it after use. -****************************************************************/ - -struct sys_pwent * getpwent_list(void) -{ - struct sys_pwent *plist; - struct sys_pwent *pent; - struct passwd *pwd; - - pent = malloc_p(struct sys_pwent); - if (pent == NULL) { - DEBUG (0, ("Out of memory in getpwent_list!\n")); - return NULL; - } - plist = pent; - - setpwent(); - pwd = getpwent(); - while (pwd != NULL) { - memset(pent, '\0', sizeof(struct sys_pwent)); - if (pwd->pw_name) { - if ((pent->pw_name = strdup(pwd->pw_name)) == NULL) - goto err; - } - if (pwd->pw_passwd) { - if ((pent->pw_passwd = strdup(pwd->pw_passwd)) == NULL) - goto err; - } - pent->pw_uid = pwd->pw_uid; - pent->pw_gid = pwd->pw_gid; - if (pwd->pw_gecos) { - if ((pent->pw_name = strdup(pwd->pw_gecos)) == NULL) - goto err; - } - if (pwd->pw_dir) { - if ((pent->pw_name = strdup(pwd->pw_dir)) == NULL) - goto err; - } - if (pwd->pw_shell) { - if ((pent->pw_name = strdup(pwd->pw_shell)) == NULL) - goto err; - } - - pwd = getpwent(); - if (pwd) { - pent->next = malloc_p(struct sys_pwent); - if (pent->next == NULL) - goto err; - pent = pent->next; - } - } - - endpwent(); - return plist; - - err: - - endpwent(); - DEBUG(0, ("Out of memory in getpwent_list!\n")); - pwent_free(plist); - return NULL; -} - -/**************************************************************** - Free the single linked list of passwd entries made by - getpwent_list() -****************************************************************/ - -void pwent_free (struct sys_pwent *plist) -{ - while (plist) { - struct sys_pwent *prev; - - SAFE_FREE(plist->pw_name); - SAFE_FREE(plist->pw_passwd); - SAFE_FREE(plist->pw_gecos); - SAFE_FREE(plist->pw_dir); - SAFE_FREE(plist->pw_shell); - - prev = plist; - plist = plist->next; - SAFE_FREE(prev); - } -} - -/**************************************************************** - Add the individual group users onto the list. -****************************************************************/ - -static struct sys_userlist *add_members_to_userlist(struct sys_userlist *list_head, const struct group *grp) -{ - size_t num_users, i; - - /* Count the number of users. */ - for (num_users = 0; grp->gr_mem[num_users]; num_users++) - ; - - for (i = 0; i < num_users; i++) { - struct sys_userlist *entry = malloc_p(struct sys_userlist); - if (entry == NULL) { - free_userlist(list_head); - return NULL; - } - entry->unix_name = (char *)strdup(grp->gr_mem[i]); - if (entry->unix_name == NULL) { - SAFE_FREE(entry); - free_userlist(list_head); - return NULL; - } - DLIST_ADD(list_head, entry); - } - return list_head; -} - -/**************************************************************** - Get the list of UNIX users in a group. - We have to enumerate the /etc/group file as some UNIX getgrnam() - calls won't do that for us (notably Tru64 UNIX). -****************************************************************/ - -struct sys_userlist *get_users_in_group(const char *gname) -{ - struct sys_userlist *list_head = NULL; - struct group *gptr; - -#if !defined(BROKEN_GETGRNAM) - if ((gptr = (struct group *)getgrnam(gname)) == NULL) - return NULL; - return add_members_to_userlist(list_head, gptr); -#else - /* BROKEN_GETGRNAM - True64 */ - setgrent(); - while((gptr = getgrent()) != NULL) { - if (strequal(gname, gptr->gr_name)) { - list_head = add_members_to_userlist(list_head, gptr); - if (list_head == NULL) - return NULL; - } - } - endgrent(); - return list_head; -#endif -} - -/**************************************************************** - Free list allocated above. -****************************************************************/ - -void free_userlist(struct sys_userlist *list_head) -{ - while (list_head) { - struct sys_userlist *old_head = list_head; - DLIST_REMOVE(list_head, list_head); - SAFE_FREE(old_head->unix_name); - SAFE_FREE(old_head); - } -} |