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-rw-r--r--nsswitch/nsstest.c500
1 files changed, 500 insertions, 0 deletions
diff --git a/nsswitch/nsstest.c b/nsswitch/nsstest.c
new file mode 100644
index 0000000..45270cd
--- /dev/null
+++ b/nsswitch/nsstest.c
@@ -0,0 +1,500 @@
+/*
+ Unix SMB/CIFS implementation.
+ nss tester for winbindd
+ Copyright (C) Andrew Tridgell 2001
+ Copyright (C) Tim Potter 2003
+
+ 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 "replace.h"
+#include "nsswitch/nsstest.h"
+
+#define SAFE_FREE(x) do { if ((x) != NULL) {free(x); (x)=NULL;} } while(0)
+
+static const char *so_path = "/lib/libnss_winbind.so";
+static const char *nss_name = "winbind";
+static int nss_errno;
+static NSS_STATUS last_error;
+static int total_errors;
+
+static void *find_fn(const char *name)
+{
+ char *s;
+ static void *h;
+ void *res;
+
+ if (asprintf(&s, "_nss_%s_%s", nss_name, name) < 0) {
+ exit(1);
+ }
+
+ 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, s);
+ if (!res) {
+ printf("Can't find function %s\n", s);
+ total_errors++;
+ SAFE_FREE(s);
+ return NULL;
+ }
+ SAFE_FREE(s);
+ return res;
+}
+
+static void report_nss_error(const char *who, NSS_STATUS status)
+{
+ last_error = status;
+ total_errors++;
+ printf("ERROR %s: NSS_STATUS=%d %d (nss_errno=%d)\n",
+ who, status, NSS_STATUS_SUCCESS, nss_errno);
+}
+
+static struct passwd *nss_getpwent(void)
+{
+ NSS_STATUS (*_nss_getpwent_r)(struct passwd *, char *,
+ size_t , int *) =
+ (NSS_STATUS (*)(struct passwd *, char *,
+ size_t, int *))find_fn("getpwent_r");
+ static struct passwd pwd;
+ static char buf[1000];
+ NSS_STATUS status;
+
+ if (!_nss_getpwent_r)
+ return NULL;
+
+ status = _nss_getpwent_r(&pwd, buf, sizeof(buf), &nss_errno);
+ if (status == NSS_STATUS_NOTFOUND) {
+ return NULL;
+ }
+ if (status != NSS_STATUS_SUCCESS) {
+ report_nss_error("getpwent", 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 *) =
+ (NSS_STATUS (*)(const char *, struct passwd *, char *,
+ size_t, int *))find_fn("getpwnam_r");
+ static struct passwd pwd;
+ static char buf[1000];
+ NSS_STATUS status;
+
+ if (!_nss_getpwnam_r)
+ return NULL;
+
+ status = _nss_getpwnam_r(name, &pwd, buf, sizeof(buf), &nss_errno);
+ if (status == NSS_STATUS_NOTFOUND) {
+ return NULL;
+ }
+ if (status != NSS_STATUS_SUCCESS) {
+ report_nss_error("getpwnam", 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 *) =
+ (NSS_STATUS (*)(uid_t, struct passwd *, char *,
+ size_t, int *))find_fn("getpwuid_r");
+ static struct passwd pwd;
+ static char buf[1000];
+ NSS_STATUS status;
+
+ if (!_nss_getpwuid_r)
+ return NULL;
+
+ status = _nss_getpwuid_r(uid, &pwd, buf, sizeof(buf), &nss_errno);
+ if (status == NSS_STATUS_NOTFOUND) {
+ return NULL;
+ }
+ if (status != NSS_STATUS_SUCCESS) {
+ report_nss_error("getpwuid", status);
+ return NULL;
+ }
+ return &pwd;
+}
+
+static void samba_nss_setpwent(void)
+{
+ NSS_STATUS (*_nss_setpwent)(void) =
+ (NSS_STATUS(*)(void))find_fn("setpwent");
+ NSS_STATUS status;
+
+ if (!_nss_setpwent)
+ return;
+
+ status = _nss_setpwent();
+ if (status != NSS_STATUS_SUCCESS) {
+ report_nss_error("setpwent", status);
+ }
+}
+
+static void samba_nss_endpwent(void)
+{
+ NSS_STATUS (*_nss_endpwent)(void) =
+ (NSS_STATUS (*)(void))find_fn("endpwent");
+ NSS_STATUS status;
+
+ if (!_nss_endpwent)
+ return;
+
+ status = _nss_endpwent();
+ if (status != NSS_STATUS_SUCCESS) {
+ report_nss_error("endpwent", status);
+ }
+}
+
+
+static struct group *nss_getgrent(void)
+{
+ NSS_STATUS (*_nss_getgrent_r)(struct group *, char *,
+ size_t , int *) =
+ (NSS_STATUS (*)(struct group *, char *,
+ size_t, int *))find_fn("getgrent_r");
+ static struct group grp;
+ static char *buf;
+ static int buflen = 1024;
+ NSS_STATUS status;
+
+ if (!_nss_getgrent_r)
+ return NULL;
+
+ if (!buf)
+ buf = (char *)malloc(buflen);
+
+again:
+ status = _nss_getgrent_r(&grp, buf, buflen, &nss_errno);
+ if (status == NSS_STATUS_TRYAGAIN) {
+ char *oldbuf = buf;
+ buflen *= 2;
+ buf = (char *)realloc(buf, buflen);
+ if (!buf) {
+ SAFE_FREE(oldbuf);
+ return NULL;
+ }
+ goto again;
+ }
+ if (status == NSS_STATUS_NOTFOUND) {
+ SAFE_FREE(buf);
+ return NULL;
+ }
+ if (status != NSS_STATUS_SUCCESS) {
+ report_nss_error("getgrent", status);
+ SAFE_FREE(buf);
+ 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 *) =
+ (NSS_STATUS (*)(const char *, struct group *, char *,
+ size_t, int *))find_fn("getgrnam_r");
+ static struct group grp;
+ static char *buf;
+ static int buflen = 1000;
+ NSS_STATUS status;
+
+ if (!_nss_getgrnam_r)
+ return NULL;
+
+ if (!buf)
+ buf = (char *)malloc(buflen);
+again:
+ status = _nss_getgrnam_r(name, &grp, buf, buflen, &nss_errno);
+ if (status == NSS_STATUS_TRYAGAIN) {
+ char *oldbuf = buf;
+ buflen *= 2;
+ buf = (char *)realloc(buf, buflen);
+ if (!buf) {
+ SAFE_FREE(oldbuf);
+ return NULL;
+ }
+ goto again;
+ }
+ if (status == NSS_STATUS_NOTFOUND) {
+ SAFE_FREE(buf);
+ return NULL;
+ }
+ if (status != NSS_STATUS_SUCCESS) {
+ report_nss_error("getgrnam", status);
+ SAFE_FREE(buf);
+ 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 *) =
+ (NSS_STATUS (*)(gid_t, struct group *, char *,
+ size_t, int *))find_fn("getgrgid_r");
+ static struct group grp;
+ static char *buf;
+ static int buflen = 1000;
+ NSS_STATUS status;
+
+ if (!_nss_getgrgid_r)
+ return NULL;
+
+ if (!buf)
+ buf = (char *)malloc(buflen);
+
+again:
+ status = _nss_getgrgid_r(gid, &grp, buf, buflen, &nss_errno);
+ if (status == NSS_STATUS_TRYAGAIN) {
+ char *oldbuf = buf;
+ buflen *= 2;
+ buf = (char *)realloc(buf, buflen);
+ if (!buf) {
+ SAFE_FREE(oldbuf);
+ return NULL;
+ }
+ goto again;
+ }
+ if (status == NSS_STATUS_NOTFOUND) {
+ SAFE_FREE(buf);
+ return NULL;
+ }
+ if (status != NSS_STATUS_SUCCESS) {
+ report_nss_error("getgrgid", status);
+ SAFE_FREE(buf);
+ return NULL;
+ }
+ return &grp;
+}
+
+static void samba_nss_setgrent(void)
+{
+ NSS_STATUS (*_nss_setgrent)(void) =
+ (NSS_STATUS (*)(void))find_fn("setgrent");
+ NSS_STATUS status;
+
+ if (!_nss_setgrent)
+ return;
+
+ status = _nss_setgrent();
+ if (status != NSS_STATUS_SUCCESS) {
+ report_nss_error("setgrent", status);
+ }
+}
+
+static void samba_nss_endgrent(void)
+{
+ NSS_STATUS (*_nss_endgrent)(void) =
+ (NSS_STATUS (*)(void))find_fn("endgrent");
+ NSS_STATUS status;
+
+ if (!_nss_endgrent)
+ return;
+
+ status = _nss_endgrent();
+ if (status != NSS_STATUS_SUCCESS) {
+ report_nss_error("endgrent", status);
+ }
+}
+
+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 *) =
+ (NSS_STATUS (*)(char *, gid_t, long int *,
+ long int *, gid_t **,
+ long int, int *))find_fn("initgroups_dyn");
+ NSS_STATUS status;
+
+ if (!_nss_initgroups)
+ return NSS_STATUS_UNAVAIL;
+
+ status = _nss_initgroups(user, group, start, size, groups, 0, &nss_errno);
+ if (status != NSS_STATUS_SUCCESS) {
+ report_nss_error("initgroups", status);
+ }
+ return status;
+}
+
+static void print_passwd(struct passwd *pwd)
+{
+ printf("%s:%s:%lu:%lu:%s:%s:%s\n",
+ pwd->pw_name,
+ pwd->pw_passwd,
+ (unsigned long)pwd->pw_uid,
+ (unsigned long)pwd->pw_gid,
+ pwd->pw_gecos,
+ pwd->pw_dir,
+ pwd->pw_shell);
+}
+
+static void print_group(struct group *grp)
+{
+ int i;
+ printf("%s:%s:%lu:",
+ grp->gr_name,
+ grp->gr_passwd,
+ (unsigned long)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;
+ NSS_STATUS status;
+
+ groups = (gid_t *)malloc(sizeof(gid_t) * size);
+ if (groups == NULL) {
+ printf("Unable to allocate memory for groups\n");
+ return;
+ }
+ groups[0] = gid;
+
+ status = nss_initgroups(name, gid, &groups, &start, &size);
+ if (status == NSS_STATUS_UNAVAIL) {
+ printf("No initgroups fn\n");
+ return;
+ }
+
+ for (i=0; i<start-1; i++) {
+ printf("%lu, ", (unsigned long)groups[i]);
+ }
+ printf("%lu\n", (unsigned long)groups[i]);
+}
+
+
+static void nss_test_users(void)
+{
+ struct passwd *pwd;
+
+ samba_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_getpwuid(pwd->pw_uid);
+ if (!pwd) {
+ total_errors++;
+ printf("ERROR: can't getpwuid\n");
+ continue;
+ }
+ printf("getpwuid: "); print_passwd(pwd);
+ pwd = nss_getpwnam(pwd->pw_name);
+ if (!pwd) {
+ total_errors++;
+ printf("ERROR: can't getpwnam\n");
+ continue;
+ }
+ printf("getpwnam: "); print_passwd(pwd);
+ printf("initgroups: "); nss_test_initgroups(pwd->pw_name, pwd->pw_gid);
+ printf("\n");
+ }
+ samba_nss_endpwent();
+}
+
+static void nss_test_groups(void)
+{
+ struct group *grp;
+
+ samba_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);
+ if (!grp) {
+ total_errors++;
+ printf("ERROR: can't getgrnam\n");
+ continue;
+ }
+ printf("getgrnam: "); print_group(grp);
+ grp = nss_getgrgid(grp->gr_gid);
+ if (!grp) {
+ total_errors++;
+ printf("ERROR: can't getgrgid\n");
+ continue;
+ }
+ printf("getgrgid: "); print_group(grp);
+ printf("\n");
+ }
+ samba_nss_endgrent();
+}
+
+static void nss_test_errors(void)
+{
+ struct passwd *pwd;
+ struct group *grp;
+
+ pwd = getpwnam("nosuchname");
+ if (pwd || last_error != NSS_STATUS_NOTFOUND) {
+ total_errors++;
+ printf("ERROR Non existent user gave error %d\n", last_error);
+ }
+
+ pwd = getpwuid(0xFF00);
+ if (pwd || last_error != NSS_STATUS_NOTFOUND) {
+ total_errors++;
+ printf("ERROR Non existent uid gave error %d\n", last_error);
+ }
+
+ grp = getgrnam("nosuchgroup");
+ if (grp || last_error != NSS_STATUS_NOTFOUND) {
+ total_errors++;
+ printf("ERROR Non existent group gave error %d\n", last_error);
+ }
+
+ grp = getgrgid(0xFFF0);
+ if (grp || last_error != NSS_STATUS_NOTFOUND) {
+ total_errors++;
+ printf("ERROR Non existent gid gave error %d\n", last_error);
+ }
+}
+
+ int main(int argc, char *argv[])
+{
+ if (argc > 1) so_path = argv[1];
+ if (argc > 2) nss_name = argv[2];
+
+ nss_test_users();
+ nss_test_groups();
+ nss_test_errors();
+
+ printf("total_errors=%d\n", total_errors);
+
+ return total_errors;
+}
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