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-rw-r--r--source3/nsswitch/winbind_nss.c18
-rw-r--r--source3/torture/nsstest.c302
2 files changed, 312 insertions, 8 deletions
diff --git a/source3/nsswitch/winbind_nss.c b/source3/nsswitch/winbind_nss.c
index a2816bfdd3..462c791277 100644
--- a/source3/nsswitch/winbind_nss.c
+++ b/source3/nsswitch/winbind_nss.c
@@ -785,9 +785,9 @@ _nss_winbind_getgrgid_r(gid_t gid,
/* Initialise supplementary groups */
NSS_STATUS
-_nss_winbind_initgroups(char *user, gid_t group, long int *start,
- long int *size, gid_t *groups, long int limit,
- int *errnop)
+_nss_winbind_initgroups_dyn(char *user, gid_t group, long int *start,
+ long int *size, gid_t **groups, long int limit,
+ int *errnop)
{
NSS_STATUS ret;
struct winbindd_request request;
@@ -822,13 +822,15 @@ _nss_winbind_initgroups(char *user, gid_t group, long int *start,
/* Add to buffer */
if (*start == *size && limit <= 0) {
- groups = realloc(
- groups, 2 * (*size) * sizeof(*groups));
- if (!groups) goto done;
- *size *= 2;
+ (*groups) = realloc(
+ (*groups), (2 * (*size) + 1) * sizeof(**groups));
+ if (! *groups) goto done;
+ *size = 2 * (*size) + 1;
}
- groups[*start] = gid_list[i];
+ if (*start == *size) goto done;
+
+ (*groups)[*start] = gid_list[i];
*start += 1;
/* Filled buffer? */
diff --git a/source3/torture/nsstest.c b/source3/torture/nsstest.c
new file mode 100644
index 0000000000..baf5590816
--- /dev/null
+++ b/source3/torture/nsstest.c
@@ -0,0 +1,302 @@
+/*
+ Unix SMB/Netbios implementation.
+ Version 3.0
+ nss tester for winbindd
+ Copyright (C) Andrew Tridgell 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 2 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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+static char *so_path = "/usr/lib/libnss_winbind.so";
+static int nss_errno;
+
+static void *find_fn(const char *name)
+{
+ static void *h;
+ void *res;
+ if (!h) {
+ h = dlopen(so_path, RTLD_LAZY);
+ }
+ if (!h) {
+ printf("Can't open shared library %s\n", so_path);
+ exit(1);
+ }
+ res = dlsym(h, name);
+ if (!res) {
+ printf("Can't find function %s\n", name);
+ exit(1);
+ }
+ return res;
+}
+
+static void report_nss_error(NSS_STATUS status)
+{
+ if (status >= NSS_STATUS_SUCCESS) return;
+ printf("NSS_STATUS=%d %d\n", status, NSS_STATUS_SUCCESS);
+}
+
+static struct passwd *nss_getpwent(void)
+{
+ NSS_STATUS (*_nss_getpwent_r)(struct passwd *, char *,
+ size_t , int *) = find_fn("_nss_winbind_getpwent_r");
+ static struct passwd pwd;
+ static char buf[1000];
+ NSS_STATUS status;
+
+ status = _nss_getpwent_r(&pwd, buf, sizeof(buf), &nss_errno);
+ if (status == NSS_STATUS_NOTFOUND) {
+ return NULL;
+ }
+ if (status == NSS_STATUS_RETURN) {
+ report_nss_error(status);
+ return NULL;
+ }
+ return &pwd;
+}
+
+static struct passwd *nss_getpwnam(const char *name)
+{
+ NSS_STATUS (*_nss_getpwnam_r)(const char *, struct passwd *, char *,
+ size_t , int *) = find_fn("_nss_winbind_getpwnam_r");
+ static struct passwd pwd;
+ static char buf[1000];
+ NSS_STATUS status;
+
+ status = _nss_getpwnam_r(name, &pwd, buf, sizeof(buf), &nss_errno);
+ if (status == NSS_STATUS_NOTFOUND) {
+ return NULL;
+ }
+ if (status == NSS_STATUS_RETURN) {
+ report_nss_error(status);
+ return NULL;
+ }
+ return &pwd;
+}
+
+static struct passwd *nss_getpwuid(uid_t uid)
+{
+ NSS_STATUS (*_nss_getpwuid_r)(uid_t , struct passwd *, char *,
+ size_t , int *) = find_fn("_nss_winbind_getpwuid_r");
+ static struct passwd pwd;
+ static char buf[1000];
+ NSS_STATUS status;
+
+ status = _nss_getpwuid_r(uid, &pwd, buf, sizeof(buf), &nss_errno);
+ if (status == NSS_STATUS_NOTFOUND) {
+ return NULL;
+ }
+ if (status == NSS_STATUS_RETURN) {
+ report_nss_error(status);
+ return NULL;
+ }
+ return &pwd;
+}
+
+static void nss_setpwent(void)
+{
+ NSS_STATUS (*_nss_setpwent)(void) = find_fn("_nss_winbind_setpwent");
+
+ report_nss_error(_nss_setpwent());
+}
+
+static void nss_endpwent(void)
+{
+ NSS_STATUS (*_nss_endpwent)(void) = find_fn("_nss_winbind_endpwent");
+
+ report_nss_error(_nss_endpwent());
+}
+
+
+static struct group *nss_getgrent(void)
+{
+ NSS_STATUS (*_nss_getgrent_r)(struct group *, char *,
+ size_t , int *) = find_fn("_nss_winbind_getgrent_r");
+ static struct group grp;
+ static char buf[1000];
+ NSS_STATUS status;
+
+ status = _nss_getgrent_r(&grp, buf, sizeof(buf), &nss_errno);
+ if (status == NSS_STATUS_NOTFOUND) {
+ return NULL;
+ }
+ if (status == NSS_STATUS_RETURN) {
+ report_nss_error(status);
+ return NULL;
+ }
+ return &grp;
+}
+
+static struct group *nss_getgrnam(const char *name)
+{
+ NSS_STATUS (*_nss_getgrnam_r)(const char *, struct group *, char *,
+ size_t , int *) = find_fn("_nss_winbind_getgrnam_r");
+ static struct group grp;
+ static char buf[1000];
+ NSS_STATUS status;
+
+ status = _nss_getgrnam_r(name, &grp, buf, sizeof(buf), &nss_errno);
+ if (status == NSS_STATUS_NOTFOUND) {
+ return NULL;
+ }
+ if (status == NSS_STATUS_RETURN) {
+ report_nss_error(status);
+ return NULL;
+ }
+ return &grp;
+}
+
+static struct group *nss_getgrgid(gid_t gid)
+{
+ NSS_STATUS (*_nss_getgrgid_r)(gid_t , struct group *, char *,
+ size_t , int *) = find_fn("_nss_winbind_getgrgid_r");
+ static struct group grp;
+ static char buf[1000];
+ NSS_STATUS status;
+
+ status = _nss_getgrgid_r(gid, &grp, buf, sizeof(buf), &nss_errno);
+ if (status == NSS_STATUS_NOTFOUND) {
+ return NULL;
+ }
+ if (status == NSS_STATUS_RETURN) {
+ report_nss_error(status);
+ return NULL;
+ }
+ return &grp;
+}
+
+static void nss_setgrent(void)
+{
+ NSS_STATUS (*_nss_setgrent)(void) = find_fn("_nss_winbind_setgrent");
+
+ report_nss_error(_nss_setgrent());
+}
+
+static void nss_endgrent(void)
+{
+ NSS_STATUS (*_nss_endgrent)(void) = find_fn("_nss_winbind_endgrent");
+
+ report_nss_error(_nss_endgrent());
+}
+
+static int nss_initgroups(char *user, gid_t group, gid_t **groups, long int *start, long int *size)
+{
+ NSS_STATUS (*_nss_initgroups)(char *, gid_t , long int *,
+ long int *, gid_t **, long int , int *) =
+ find_fn("_nss_winbind_initgroups_dyn");
+ NSS_STATUS status;
+
+ status = _nss_initgroups(user, group, start, size, groups, 0, &nss_errno);
+ report_nss_error(status);
+ return status;
+}
+
+static void print_passwd(struct passwd *pwd)
+{
+ printf("%s:%s:%d:%d:%s:%s:%s\n",
+ pwd->pw_name,
+ pwd->pw_passwd,
+ pwd->pw_uid,
+ pwd->pw_gid,
+ pwd->pw_gecos,
+ pwd->pw_dir,
+ pwd->pw_shell);
+}
+
+static void print_group(struct group *grp)
+{
+ int i;
+ printf("%s:%s:%d: ",
+ grp->gr_name,
+ grp->gr_passwd,
+ grp->gr_gid);
+
+ if (!grp->gr_mem[0]) {
+ printf("\n");
+ return;
+ }
+
+ for (i=0; grp->gr_mem[i+1]; i++) {
+ printf("%s, ", grp->gr_mem[i]);
+ }
+ printf("%s\n", grp->gr_mem[i]);
+}
+
+static void nss_test_initgroups(char *name, gid_t gid)
+{
+ long int size = 16;
+ long int start = 1;
+ gid_t *groups = NULL;
+ int i;
+
+ groups = (gid_t *)malloc(size * sizeof(gid_t));
+ groups[0] = gid;
+
+ nss_initgroups(name, gid, &groups, &start, &size);
+ for (i=0; i<start-1; i++) {
+ printf("%d, ", groups[i]);
+ }
+ printf("%d\n", groups[i]);
+}
+
+
+static void nss_test_users(void)
+{
+ struct passwd *pwd;
+
+ nss_setpwent();
+ /* loop over all users */
+ while ((pwd = nss_getpwent())) {
+ printf("Testing user %s\n", pwd->pw_name);
+ printf("getpwent: "); print_passwd(pwd);
+ pwd = nss_getpwnam(pwd->pw_name);
+ printf("getpwnam: "); print_passwd(pwd);
+ pwd = nss_getpwuid(pwd->pw_uid);
+ printf("getpwuid: "); print_passwd(pwd);
+ printf("initgroups: "); nss_test_initgroups(pwd->pw_name, pwd->pw_gid);
+ printf("\n");
+ }
+ nss_endpwent();
+}
+
+static void nss_test_groups(void)
+{
+ struct group *grp;
+
+ nss_setgrent();
+ /* loop over all groups */
+ while ((grp = nss_getgrent())) {
+ printf("Testing group %s\n", grp->gr_name);
+ printf("getgrent: "); print_group(grp);
+ grp = nss_getgrnam(grp->gr_name);
+ printf("getgrnam: "); print_group(grp);
+ grp = nss_getgrgid(grp->gr_gid);
+ printf("getgrgid: "); print_group(grp);
+ printf("\n");
+ }
+ nss_endgrent();
+}
+
+
+ int main(int argc, char *argv[])
+{
+ if (argc > 1) so_path = argv[1];
+
+ nss_test_users();
+ nss_test_groups();
+
+ return 0;
+}
generated by cgit (git 2.34.1) at 2024-11-03 12:57:25 +0000