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authorStephen Gallagher <sgallagh@redhat.com>2010-06-17 09:50:01 -0400
committerStephen Gallagher <sgallagh@redhat.com>2010-06-17 15:40:13 -0400
commit6d65f4d78567cdcab9b0ab52e1f08ad054278cc7 (patch)
tree624e2e230b9db7891d7062cd7451573856d7b718 /src
parenta56cdc811fec8d2c0e69fce3970a1032d1e3d2a8 (diff)
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Honor filter_users in PAM
Diffstat (limited to 'src')
-rw-r--r--src/responder/pam/pamsrv.c31
-rw-r--r--src/responder/pam/pamsrv.h2
-rw-r--r--src/responder/pam/pamsrv_cmd.c24
3 files changed, 47 insertions, 10 deletions
diff --git a/src/responder/pam/pamsrv.c b/src/responder/pam/pamsrv.c
index c82f0fab1..61e7ce7a3 100644
--- a/src/responder/pam/pamsrv.c
+++ b/src/responder/pam/pamsrv.c
@@ -42,6 +42,7 @@
#include "monitor/monitor_interfaces.h"
#include "sbus/sbus_client.h"
#include "responder/pam/pamsrv.h"
+#include "responder/common/negcache.h"
#define SSS_PAM_SBUS_SERVICE_VERSION 0x0001
#define SSS_PAM_SBUS_SERVICE_NAME "pam"
@@ -125,7 +126,7 @@ static int pam_process_init(TALLOC_CTX *mem_ctx,
"PAM", &pam_dp_interface,
&pctx->rctx);
if (ret != EOK) {
- return ret;
+ goto done;
}
pctx->rctx->pvt_ctx = pctx;
@@ -138,7 +139,7 @@ static int pam_process_init(TALLOC_CTX *mem_ctx,
CONFDB_SERVICE_RECON_RETRIES, 3, &max_retries);
if (ret != EOK) {
DEBUG(0, ("Failed to set up automatic reconnection\n"));
- return ret;
+ goto done;
}
for (iter = pctx->rctx->be_conns; iter; iter = iter->next) {
@@ -146,7 +147,31 @@ static int pam_process_init(TALLOC_CTX *mem_ctx,
pam_dp_reconnect_init, iter);
}
- return EOK;
+ /* Set up the negative cache */
+ ret = confdb_get_int(cdb, pctx, CONFDB_NSS_CONF_ENTRY,
+ CONFDB_NSS_ENTRY_NEG_TIMEOUT, 15,
+ &pctx->neg_timeout);
+ if (ret != EOK) goto done;
+
+ ret = sss_ncache_init(pctx, &pctx->ncache);
+ if (ret != EOK) {
+ DEBUG(0, ("fatal error initializing negative cache\n"));
+ goto done;
+ }
+
+ ret = sss_ncache_prepopulate(pctx->ncache, cdb, pctx->rctx->names,
+ pctx->rctx->domains);
+ if (ret != EOK) {
+ goto done;
+ }
+
+ ret = EOK;
+
+done:
+ if (ret != EOK) {
+ talloc_free(pctx);
+ }
+ return ret;
}
int main(int argc, const char *argv[])
diff --git a/src/responder/pam/pamsrv.h b/src/responder/pam/pamsrv.h
index 689d78474..3ada4cfd8 100644
--- a/src/responder/pam/pamsrv.h
+++ b/src/responder/pam/pamsrv.h
@@ -33,6 +33,8 @@ typedef void (pam_dp_callback_t)(struct pam_auth_req *preq);
struct pam_ctx {
struct resp_ctx *rctx;
+ struct sss_nc_ctx *ncache;
+ int neg_timeout;
};
struct pam_auth_req {
diff --git a/src/responder/pam/pamsrv_cmd.c b/src/responder/pam/pamsrv_cmd.c
index 43da44bc4..7bfd0f249 100644
--- a/src/responder/pam/pamsrv_cmd.c
+++ b/src/responder/pam/pamsrv_cmd.c
@@ -26,6 +26,7 @@
#include "confdb/confdb.h"
#include "responder/common/responder_packet.h"
#include "responder/common/responder.h"
+#include "responder/common/negcache.h"
#include "providers/data_provider.h"
#include "responder/pam/pamsrv.h"
#include "db/sysdb.h"
@@ -580,6 +581,9 @@ static int pam_forwarder(struct cli_ctx *cctx, int pam_cmd)
uint8_t *body;
size_t blen;
int ret;
+ errno_t ncret;
+ struct pam_ctx *pctx =
+ talloc_get_type(cctx->rctx->pvt_ctx, struct pam_ctx);
uint32_t terminator = SSS_END_OF_PAM_REQUEST;
preq = talloc_zero(cctx, struct pam_auth_req);
if (!preq) {
@@ -640,13 +644,19 @@ static int pam_forwarder(struct cli_ctx *cctx, int pam_cmd)
for (dom = preq->cctx->rctx->domains; dom; dom = dom->next) {
if (dom->fqnames) continue;
-/* FIXME: need to support negative cache */
-#if HAVE_NEG_CACHE
- ncret = sss_ncache_check_user(nctx->ncache, nctx->neg_timeout,
- dom->name, cmdctx->name);
- if (ncret == ENOENT) break;
-#endif
- break;
+ ncret = sss_ncache_check_user(pctx->ncache, pctx->neg_timeout,
+ dom->name, pd->user);
+ if (ncret == ENOENT) {
+ /* User not found in the negative cache
+ * Proceed with PAM actions
+ */
+ break;
+ }
+
+ /* Try the next domain */
+ DEBUG(4, ("User [%s@%s] filtered out (negative cache). "
+ "Trying next domain.\n",
+ pd->user, dom->name));
}
if (!dom) {
ret = ENOENT;