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authorKai Blin <kai@samba.org>2008-11-23 17:11:09 +0100
committerKai Blin <kai@samba.org>2008-11-25 09:28:25 +0100
commit9d2c2a7a0e9e69c8fa2ce81af79007da0e32605b (patch)
tree03bc0283d5f411f25aabd07e416802d8f9f28456 /source3/nsswitch/libwbclient/wbc_pwd.c
parent5856364af6e074410d521a4cdab893df998a04bd (diff)
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libwbclient: Implement wbcGetgrent and wbcGetgrlist
Diffstat (limited to 'source3/nsswitch/libwbclient/wbc_pwd.c')
-rw-r--r--source3/nsswitch/libwbclient/wbc_pwd.c123
1 files changed, 121 insertions, 2 deletions
diff --git a/source3/nsswitch/libwbclient/wbc_pwd.c b/source3/nsswitch/libwbclient/wbc_pwd.c
index 87908bb5e7..d54a5af4fc 100644
--- a/source3/nsswitch/libwbclient/wbc_pwd.c
+++ b/source3/nsswitch/libwbclient/wbc_pwd.c
@@ -29,6 +29,11 @@
*/
#define MAX_GETPWENT_USERS 500
+/** @brief The maximum number of grent structs to get from winbindd
+ *
+ */
+#define MAX_GETGRENT_GROUPS 500
+
/**
*
**/
@@ -405,6 +410,21 @@ done:
return wbc_status;
}
+/** @brief Number of cached group structs
+ *
+ */
+static uint32_t gr_cache_size;
+
+/** @brief Position of the grent context
+ *
+ */
+static uint32_t gr_cache_idx;
+
+/** @brief Winbindd response containing the group structs
+ *
+ */
+static struct winbindd_response gr_response;
+
/** @brief Reset the group iterator
*
* @return #wbcErr
@@ -414,6 +434,15 @@ wbcErr wbcSetgrent(void)
{
wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+ if (gr_cache_size > 0) {
+ gr_cache_idx = gr_cache_size = 0;
+ if (gr_response.extra_data.data) {
+ free(gr_response.extra_data.data);
+ }
+ }
+
+ ZERO_STRUCT(gr_response);
+
wbc_status = wbcRequestResponse(WINBINDD_SETGRENT,
NULL, NULL);
BAIL_ON_WBC_ERROR(wbc_status);
@@ -431,6 +460,13 @@ wbcErr wbcEndgrent(void)
{
wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+ if (gr_cache_size > 0) {
+ gr_cache_idx = gr_cache_size = 0;
+ if (gr_response.extra_data.data) {
+ free(gr_response.extra_data.data);
+ }
+ }
+
wbc_status = wbcRequestResponse(WINBINDD_ENDGRENT,
NULL, NULL);
BAIL_ON_WBC_ERROR(wbc_status);
@@ -448,7 +484,51 @@ wbcErr wbcEndgrent(void)
wbcErr wbcGetgrent(struct group **grp)
{
- return WBC_ERR_NOT_IMPLEMENTED;
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+ struct winbindd_request request;
+ struct winbindd_gr *wb_gr;
+ uint32_t mem_ofs;
+
+ /* If there's a cached result, return that. */
+ if (gr_cache_idx < gr_cache_size) {
+ goto return_result;
+ }
+
+ /* Otherwise, query winbindd for some entries. */
+
+ gr_cache_idx = 0;
+
+ if (gr_response.extra_data.data) {
+ free(gr_response.extra_data.data);
+ ZERO_STRUCT(gr_response);
+ }
+
+ ZERO_STRUCT(request);
+ request.data.num_entries = MAX_GETGRENT_GROUPS;
+
+ wbc_status = wbcRequestResponse(WINBINDD_GETGRENT, &request,
+ &gr_response);
+
+ BAIL_ON_WBC_ERROR(wbc_status);
+
+ gr_cache_size = gr_response.data.num_entries;
+
+return_result:
+
+ wb_gr = (struct winbindd_gr *) gr_response.extra_data.data;
+
+ mem_ofs = wb_gr[gr_cache_idx].gr_mem_ofs +
+ gr_cache_size * sizeof(struct winbindd_gr);
+
+ *grp = copy_group_entry(&wb_gr[gr_cache_idx],
+ ((char *)gr_response.extra_data.data)+mem_ofs);
+
+ BAIL_ON_PTR_ERROR(*grp, wbc_status);
+
+ gr_cache_idx++;
+
+done:
+ return wbc_status;
}
/** @brief Return the next struct group* entry from the pwent iterator
@@ -462,7 +542,46 @@ wbcErr wbcGetgrent(struct group **grp)
wbcErr wbcGetgrlist(struct group **grp)
{
- return WBC_ERR_NOT_IMPLEMENTED;
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+ struct winbindd_request request;
+ struct winbindd_gr *wb_gr;
+
+ /* If there's a cached result, return that. */
+ if (gr_cache_idx < gr_cache_size) {
+ goto return_result;
+ }
+
+ /* Otherwise, query winbindd for some entries. */
+
+ gr_cache_idx = 0;
+
+ if (gr_response.extra_data.data) {
+ free(gr_response.extra_data.data);
+ ZERO_STRUCT(gr_response);
+ }
+
+ ZERO_STRUCT(request);
+ request.data.num_entries = MAX_GETGRENT_GROUPS;
+
+ wbc_status = wbcRequestResponse(WINBINDD_GETGRLST, &request,
+ &gr_response);
+
+ BAIL_ON_WBC_ERROR(wbc_status);
+
+ gr_cache_size = gr_response.data.num_entries;
+
+return_result:
+
+ wb_gr = (struct winbindd_gr *) gr_response.extra_data.data;
+
+ *grp = copy_group_entry(&wb_gr[gr_cache_idx], NULL);
+
+ BAIL_ON_PTR_ERROR(*grp, wbc_status);
+
+ gr_cache_idx++;
+
+done:
+ return wbc_status;
}
/** @brief Return the unix group array belonging to the given user