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-rw-r--r--source3/nsswitch/winbind_nss_aix.c297
1 files changed, 169 insertions, 128 deletions
diff --git a/source3/nsswitch/winbind_nss_aix.c b/source3/nsswitch/winbind_nss_aix.c
index c06fbc7d4b..ba5332bf98 100644
--- a/source3/nsswitch/winbind_nss_aix.c
+++ b/source3/nsswitch/winbind_nss_aix.c
@@ -1,3 +1,27 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ AIX loadable authentication mmodule, providing identification
+ routines against Samba winbind/Windows NT Domain
+
+ Copyright (C) Tim Potter 2003
+ Copyright (C) Steve Roylance 2003
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this library; if not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
#include <stdlib.h>
#include <string.h>
@@ -8,70 +32,28 @@
#define MAX_GETPWENT_USERS 250
#define MAX_GETGRENT_USERS 250
-
-BOOL next_token(char **ptr,char *buff,char *sep, size_t bufsize)
-{
- char *s;
- BOOL quoted;
- size_t len=1;
-
- if (!ptr) return(False);
-
- s = *ptr;
-
- /* default to simple separators */
- if (!sep) sep = " \t\n\r";
-
- /* find the first non sep char */
- while (*s && strchr(sep,*s)) s++;
-
- /* nothing left? */
- if (! *s) return(False);
-
- /* copy over the token */
- for (quoted = False; len < bufsize && *s && (quoted || !strchr(sep,*s)); s++) {
- if (*s == '\"') {
- quoted = !quoted;
- } else {
- len++;
- *buff++ = *s;
- }
- }
-
- *ptr = (*s) ? s+1 : s;
- *buff = 0;
-
- return(True);
-}
+/* #define WB_AIX_DEBUG */
static struct passwd *fill_pwent(struct winbindd_pw *pw)
{
struct passwd *result;
- if (!(result = malloc(sizeof(struct passwd)))) {
- return NULL;
- }
- memset(result, 0, sizeof(struct passwd));
+ if (!(result = malloc(sizeof(struct passwd))))
+ goto out;
+
+ ZERO_STRUCTP(result);
/* User name */
- if ((result->pw_name = malloc(strlen(pw->pw_name) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NULL;
- }
+ if ((result->pw_name = malloc(strlen(pw->pw_name) + 1)) == NULL)
+ goto out;
strcpy(result->pw_name, pw->pw_name);
/* Password */
- if ((result->pw_passwd = malloc(strlen(pw->pw_passwd) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NULL;
- }
+ if ((result->pw_passwd = malloc(strlen(pw->pw_passwd) + 1)) == NULL)
+ goto out;
strcpy(result->pw_passwd, pw->pw_passwd);
@@ -82,38 +64,75 @@ static struct passwd *fill_pwent(struct winbindd_pw *pw)
/* GECOS */
- if ((result->pw_gecos = malloc(strlen(pw->pw_gecos) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NULL;
- }
+ if ((result->pw_gecos = malloc(strlen(pw->pw_gecos) + 1)) == NULL)
+ goto out;
strcpy(result->pw_gecos, pw->pw_gecos);
/* Home directory */
- if ((result->pw_dir = malloc(strlen(pw->pw_dir) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NULL;
- }
+ if ((result->pw_dir = malloc(strlen(pw->pw_dir) + 1)) == NULL)
+ goto out;
strcpy(result->pw_dir, pw->pw_dir);
/* Logon shell */
- if ((result->pw_shell = malloc(strlen(pw->pw_shell) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NULL;
- }
+ if ((result->pw_shell = malloc(strlen(pw->pw_shell) + 1)) == NULL)
+ goto out;
strcpy(result->pw_shell, pw->pw_shell);
-
+#ifdef WB_AIX_DEBUG
+ printf("wb_aix - returning filled pwent %s, %d\n", result->pw_name, result->pw_uid);
+#endif
return result;
+
+ /* A memory allocation failed, undo succesfull allocations and
+ return NULL */
+
+out:
+ SAFE_FREE(result->pw_dir);
+ SAFE_FREE(result->pw_gecos);
+ SAFE_FREE(result->pw_passwd);
+ SAFE_FREE(result->pw_name);
+ SAFE_FREE(result);
+
+ return NULL;
+}
+
+static BOOL next_token(char **ptr,char *buff,char *sep, size_t bufsize)
+{
+ char *s;
+ BOOL quoted;
+ size_t len=1;
+
+ if (!ptr) return(False);
+
+ s = *ptr;
+
+ /* default to simple separators */
+ if (!sep) sep = " \t\n\r";
+
+ /* find the first non sep char */
+ while (*s && strchr(sep,*s)) s++;
+
+ /* nothing left? */
+ if (! *s) return(False);
+
+ /* copy over the token */
+ for (quoted = False; len < bufsize && *s && (quoted || !strchr(sep,*s)); s++) {
+ if (*s == '\"') {
+ quoted = !quoted;
+ } else {
+ len++;
+ *buff++ = *s;
+ }
+ }
+
+ *ptr = (*s) ? s+1 : s;
+ *buff = 0;
+
+ return(True);
}
static struct group *fill_grent(struct winbindd_gr *gr, char *gr_mem)
@@ -123,30 +142,22 @@ static struct group *fill_grent(struct winbindd_gr *gr, char *gr_mem)
char *tst;
struct group *result;
- if (!(result = malloc(sizeof(struct group)))) {
- return NULL;
- }
- memset(result, 0, sizeof(struct group));
+ if (!(result = malloc(sizeof(struct group))))
+ goto out;
- /* Group name */
-
- if ((result->gr_name = malloc(strlen(gr->gr_name) + 1)) == NULL) {
+ ZERO_STRUCTP(result);
- /* Out of memory */
+ /* Group name */
- return NULL;
- }
+ if ((result->gr_name = malloc(strlen(gr->gr_name) + 1)) == NULL)
+ goto out;
strcpy(result->gr_name, gr->gr_name);
/* Password */
- if ((result->gr_passwd = malloc(strlen(gr->gr_passwd) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NULL;
- }
+ if ((result->gr_passwd = malloc(strlen(gr->gr_passwd) + 1)) == NULL)
+ goto out;
strcpy(result->gr_passwd, gr->gr_passwd);
@@ -168,12 +179,9 @@ static struct group *fill_grent(struct winbindd_gr *gr, char *gr_mem)
return result;
}
- if ((tst = malloc(((gr->num_gr_mem + 1) * sizeof(char *)))) == NULL) {
-
- /* Out of memory */
-
- return NULL;
- }
+ if ((tst = malloc(((gr->num_gr_mem + 1) * sizeof(char *)))) == NULL)
+ goto out;
+
result->gr_mem = (char **)tst;
/* Start looking at extra data */
@@ -186,10 +194,10 @@ static struct group *fill_grent(struct winbindd_gr *gr, char *gr_mem)
if (((result->gr_mem)[i] =
malloc(strlen(name) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NULL;
+ for ( i -= 1; i >= 0; i--)
+ SAFE_FREE((result->gr_mem)[i]);
+ goto out;
+
}
strcpy((result->gr_mem)[i], name);
@@ -200,7 +208,21 @@ static struct group *fill_grent(struct winbindd_gr *gr, char *gr_mem)
(result->gr_mem)[i] = NULL;
+#ifdef WB_AIX_DEBUG
+ printf("wb_aix - returning filled grent %s, %d\n", result->gr_name, result->gr_gid);
+#endif
return result;
+
+ /* A memory allocation failed, undo succesfull allocations and
+ return NULL */
+
+out:
+ SAFE_FREE(tst);
+ SAFE_FREE(result->gr_passwd);
+ SAFE_FREE(result->gr_name);
+ SAFE_FREE(result);
+
+ return NULL;
}
@@ -210,20 +232,25 @@ wb_aix_getgrgid (gid_t gid)
{
/* take a group id and return a filled struct group */
- NSS_STATUS ret;
struct winbindd_response response;
struct winbindd_request request;
ZERO_STRUCT(response);
ZERO_STRUCT(request);
+#ifdef WB_AIX_DEBUG
+ printf("wb_aix - getgrid for %d\n", gid);
+#endif
request.data.gid = gid;
- ret = winbindd_request(WINBINDD_GETGRGID, &request, &response);
-
- if (ret == NSS_STATUS_SUCCESS) {
+ if (winbindd_request(WINBINDD_GETGRGID, &request, &response)
+ == NSS_STATUS_SUCCESS) {
+#ifdef WB_AIX_DEBUG
+ printf("wb_aix - returned from winbind_request\n");
+#endif
return fill_grent(&response.data.gr, response.extra_data);
}
+
return NULL;
}
@@ -232,23 +259,29 @@ wb_aix_getgrnam (const char *name)
{
/* take a group name and return a filled struct group */
- NSS_STATUS ret;
struct winbindd_response response;
struct winbindd_request request;
ZERO_STRUCT(response);
ZERO_STRUCT(request);
+#ifdef WB_AIX_DEBUG
+ printf("wb_aix - getgrnam for %s\n", name);
+#endif
+
strncpy(request.data.groupname, name,
sizeof(request.data.groupname));
request.data.groupname
[sizeof(request.data.groupname) - 1] = '\0';
- ret = winbindd_request(WINBINDD_GETGRNAM, &request, &response);
- if (ret == NSS_STATUS_SUCCESS) {
+ if (winbindd_request(WINBINDD_GETGRNAM, &request, &response)
+ == NSS_STATUS_SUCCESS) {
+#ifdef WB_AIX_DEBUG
+ printf("wb_aix - returned from winbind_request\n");
+#endif
return fill_grent(&response.data.gr, response.extra_data);
- }
+ }
return NULL;
}
@@ -258,23 +291,28 @@ wb_aix_getgrset (const char *user)
/* take a username and return a string containing a comma-separated list of
group id numbers to which the user belongs */
- NSS_STATUS ret;
struct winbindd_response response;
struct winbindd_request request;
char *tmpbuf, *result;
int i, idx = 0;
-
+
+#ifdef WB_AIX_DEBUG
+ printf("wb_aix - getgrset for %s\n", user);
+#endif
strncpy(request.data.username, user,
sizeof(request.data.username) - 1);
request.data.username
[sizeof(request.data.username) - 1] = '\0';
- ret = winbindd_request(WINBINDD_GETGROUPS, &request, &response);
- if (ret == NSS_STATUS_SUCCESS) {
+ if (winbindd_request(WINBINDD_GETGROUPS, &request, &response)
+ == NSS_STATUS_SUCCESS) {
int num_gids = response.data.num_entries;
gid_t *gid_list = (gid_t *)response.extra_data;
+#ifdef WB_AIX_DEBUG
+ printf("wb_aix - returned from winbind_request\n");
+#endif
/* allocate a space large enough to contruct the string */
if (!(tmpbuf = malloc(num_gids*12))) {
@@ -293,7 +331,7 @@ wb_aix_getgrset (const char *user)
return tmpbuf;
}
strcpy(result, tmpbuf);
- free(tmpbuf);
+ SAFE_FREE(tmpbuf);
return result;
}
return NULL;
@@ -304,18 +342,23 @@ wb_aix_getpwuid (uid_t uid)
{
/* take a uid and return a filled struct passwd */
- NSS_STATUS ret;
struct winbindd_response response;
struct winbindd_request request;
ZERO_STRUCT(response);
ZERO_STRUCT(request);
+
+#ifdef WB_AIX_DEBUG
+ printf("wb_aix - getpwid for %d\n", uid);
+#endif
request.data.uid = uid;
-
- ret = winbindd_request(WINBINDD_GETPWUID, &request, &response);
-
- if (ret == NSS_STATUS_SUCCESS) {
+
+ if (winbindd_request(WINBINDD_GETPWUID, &request, &response)
+ == NSS_STATUS_SUCCESS) {
+#ifdef WB_AIX_DEBUG
+ printf("wb_aix - returned from winbind_request\n");
+#endif
return fill_pwent(&response.data.pw);
}
return NULL;
@@ -326,22 +369,26 @@ wb_aix_getpwnam (const char *name)
{
/* take a username and return a filled struct passwd */
- NSS_STATUS ret;
struct winbindd_response response;
struct winbindd_request request;
ZERO_STRUCT(response);
ZERO_STRUCT(request);
-
+#ifdef WB_AIX_DEBUG
+ printf("wb_aix - getpwnam for %s\n", name);
+#endif
strncpy(request.data.username, name,
sizeof(request.data.username) - 1);
request.data.username
[sizeof(request.data.username) - 1] = '\0';
- ret = winbindd_request(WINBINDD_GETPWNAM, &request, &response);
- if (ret == NSS_STATUS_SUCCESS) {
- return fill_pwent(&response.data.pw);
+ if (winbindd_request(WINBINDD_GETPWNAM, &request, &response)
+ == NSS_STATUS_SUCCESS) {
+#ifdef WB_AIX_DEBUG
+ printf("wb_aix - returned from winbind_request\n");
+#endif
+ return fill_pwent(&response.data.pw);
}
return NULL;
}
@@ -351,20 +398,14 @@ wb_aix_init (struct secmethod_table *methods)
{
memset(methods, 0, sizeof(*methods));
- /* identification methods */
+ /* identification methods, this is the minimum requried for a
+ working module */
methods->method_getgrgid = wb_aix_getgrgid;
methods->method_getgrnam = wb_aix_getgrnam;
methods->method_getgrset = wb_aix_getgrset;
methods->method_getpwnam = wb_aix_getpwnam;
methods->method_getpwuid = wb_aix_getpwuid;
-
- /* support methods
- methods->method_open = wb_aix_open;
- methods->method_close = wb_aix_close;
- */
-
+
return AUTH_SUCCESS;
}
-
-