diff options
Diffstat (limited to 'source3/lib/util_getent.c')
-rw-r--r-- | source3/lib/util_getent.c | 56 |
1 files changed, 35 insertions, 21 deletions
diff --git a/source3/lib/util_getent.c b/source3/lib/util_getent.c index 2e76121aae..5d2fcd7652 100644 --- a/source3/lib/util_getent.c +++ b/source3/lib/util_getent.c @@ -21,27 +21,6 @@ #include "includes.h" -#if 0 -static void print_grent_list(struct sys_grent *glist) -{ - DEBUG(100, ("print_grent_list: %x\n", glist )); - while (glist) { - DEBUG(100,("glist: %x ", glist)); - if (glist->gr_name) - DEBUG(100,(": gr_name = (%x) %s ", glist->gr_name, glist->gr_name)); - if (glist->gr_passwd) - DEBUG(100,(": gr_passwd = (%x) %s ", glist->gr_passwd, glist->gr_passwd)); - if (glist->gr_mem) { - int i; - for (i = 0; glist->gr_mem[i]; i++) - DEBUG(100,(" : gr_mem[%d] = (%x) %s ", i, glist->gr_mem[i], glist->gr_mem[i])); - } - DEBUG(100,(": gr_next = %x\n", glist->next )); - glist = glist->next; - } - DEBUG(100,("FINISHED !\n\n")); -} -#endif /**************************************************************** Returns a single linked list of group entries. @@ -320,3 +299,38 @@ void free_userlist(struct sys_userlist *list_head) SAFE_FREE(old_head); } } + + +/* + return a full list of groups for a user + + returns the number of groups the user is a member of. The return will include the + users primary group. + + remember to free the resulting gid_t array + + NOTE! you must be root to call this function on some systems +*/ +int getgroups_user(const char *user, gid_t **groups) +{ + struct passwd *pwd; + int ngrp, max_grp; + + pwd = getpwnam(user); + if (!pwd) return -1; + + max_grp = groups_max(); + (*groups) = (gid_t *)malloc(sizeof(gid_t) * max_grp); + if (! *groups) { + errno = ENOMEM; + return -1; + } + + ngrp = getgrouplist(user, pwd->pw_gid, *groups, &max_grp); + if (ngrp <= 0) { + free(*groups); + return ngrp; + } + + return ngrp; +} |