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authorSimo Sorce <ssorce@redhat.com>2010-03-20 19:55:15 -0400
committerStephen Gallagher <sgallagh@redhat.com>2010-04-12 09:22:16 -0400
commit88e7576d8bf00bfd0eaed8731b7eee1d6b6e05a1 (patch)
tree425d71e756b90a12358662e1f36c0b7d311b3545 /src/responder/nss
parentfa362558a3f89644dab60debfbc423fe31a39f00 (diff)
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sysdb: convert sysdb_enumgrent
Diffstat (limited to 'src/responder/nss')
-rw-r--r--src/responder/nss/nsssrv_cmd.c267
1 files changed, 106 insertions, 161 deletions
diff --git a/src/responder/nss/nsssrv_cmd.c b/src/responder/nss/nsssrv_cmd.c
index 32ee2988..4bd08e4b 100644
--- a/src/responder/nss/nsssrv_cmd.c
+++ b/src/responder/nss/nsssrv_cmd.c
@@ -2004,97 +2004,108 @@ done:
*/
static int nss_cmd_getgrent_immediate(struct nss_cmd_ctx *cmdctx);
-static void nss_cmd_setgr_dp_callback(uint16_t err_maj, uint32_t err_min,
- const char *err_msg, void *ptr);
+static void nss_cmd_getgrent_dp_callback(uint16_t err_maj, uint32_t err_min,
+ const char *err_msg, void *ptr);
-static void nss_cmd_setgrent_callback(void *ptr, int status,
- struct ldb_result *res)
+static int nss_cmd_getgrent_search(struct nss_dom_ctx *dctx)
{
- struct nss_dom_ctx *dctx = talloc_get_type(ptr, struct nss_dom_ctx);
struct nss_cmd_ctx *cmdctx = dctx->cmdctx;
+ struct sss_domain_info *dom = dctx->domain;
struct cli_ctx *cctx = cmdctx->cctx;
- struct sss_domain_info *dom;
struct sysdb_ctx *sysdb;
+ struct ldb_result *res;
struct getent_ctx *gctx;
struct nss_ctx *nctx;
int timeout;
int ret;
- if (status != LDB_SUCCESS) {
- ret = nss_cmd_send_error(cmdctx, ENOENT);
- if (ret != EOK) {
- NSS_CMD_FATAL_ERROR(cctx);
- }
- sss_cmd_done(cctx, cmdctx);
- return;
- }
-
nctx = talloc_get_type(cctx->rctx->pvt_ctx, struct nss_ctx);
gctx = nctx->gctx;
if (gctx == NULL) {
gctx = talloc_zero(nctx, struct getent_ctx);
if (!gctx) {
- ret = nss_cmd_send_error(cmdctx, ENOMEM);
- if (ret != EOK) {
- NSS_CMD_FATAL_ERROR(cctx);
- }
- sss_cmd_done(cctx, cmdctx);
- return;
+ return ENOMEM;
}
nctx->gctx = gctx;
}
- gctx->doms = talloc_realloc(gctx, gctx->doms, struct dom_ctx, gctx->num +1);
- if (!gctx->doms) NSS_CMD_FATAL_ERROR(cctx);
+ while (dom) {
+ while (dom && dom->enumerate == 0) {
+ dom = dom->next;
+ }
- gctx->doms[gctx->num].domain = dctx->domain;
- gctx->doms[gctx->num].res = talloc_steal(gctx->doms, res);
- gctx->doms[gctx->num].cur = 0;
+ if (!dom) break;
- gctx->num++;
+ if (dom != dctx->domain) {
+ /* make sure we reset the check_provider flag when we check
+ * a new domain */
+ if (cmdctx->enum_cached) {
+ dctx->check_provider = false;
+ } else {
+ dctx->check_provider = NEED_CHECK_PROVIDER(dom->provider);
+ }
+ }
- /* do not reply until all domain searches are done */
- for (dom = dctx->domain->next; dom; dom = dom->next) {
- if (dom->enumerate != 0) break;
- }
- dctx->domain = dom;
+ /* make sure to update the dctx if we changed domain */
+ dctx->domain = dom;
- if (dctx->domain != NULL) {
- if (cmdctx->enum_cached) {
- dctx->check_provider = false;
- } else {
- dctx->check_provider = NEED_CHECK_PROVIDER(dctx->domain->provider);
+ DEBUG(4, ("Requesting info for domain [%s]\n", dom->name));
+
+ ret = sysdb_get_ctx_from_list(cctx->rctx->db_list, dom, &sysdb);
+ if (ret != EOK) {
+ DEBUG(0, ("Fatal: Sysdb CTX not found for this domain!\n"));
+ return EIO;
}
+ /* if this is a caching provider (or if we haven't checked the cache
+ * yet) then verify that the cache is uptodate */
if (dctx->check_provider) {
+ dctx->check_provider = false;
timeout = SSS_CLI_SOCKET_TIMEOUT;
ret = sss_dp_send_acct_req(cctx->rctx, cmdctx,
- nss_cmd_setgr_dp_callback, dctx,
+ nss_cmd_getgrent_dp_callback, dctx,
timeout, dom->name, true,
SSS_DP_GROUP, NULL, 0);
- } else {
- ret = sysdb_get_ctx_from_list(cctx->rctx->db_list,
- dctx->domain, &sysdb);
- if (ret != EOK) {
- DEBUG(0, ("Fatal: Sysdb CTX not found for this domain!\n"));
- NSS_CMD_FATAL_ERROR(cctx);
+ if (ret == EOK) {
+ return ret;
+ } else {
+ DEBUG(2, ("Enum Cache refresh for domain [%s] failed."
+ " Trying to return what we have in cache!\n",
+ dom->name));
}
- ret = sysdb_enumgrent(dctx, sysdb,
- dctx->domain,
- nss_cmd_setgrent_callback, dctx);
}
+
+ ret = sysdb_enumgrent(dctx, sysdb, dctx->domain, &res);
if (ret != EOK) {
- /* FIXME: shutdown ? */
- DEBUG(1, ("Failed to send enumeration request for domain [%s]!\n",
+ DEBUG(1, ("Enum from cache failed, skipping domain [%s]\n",
dom->name));
+ dom = dom->next;
+ continue;
+ }
- ret = nss_cmd_send_error(cmdctx, ret);
- if (ret != EOK) {
- NSS_CMD_FATAL_ERROR(cctx);
- }
- sss_cmd_done(cctx, cmdctx);
+ if (res->count == 0) {
+ DEBUG(4, ("Domain [%s] has no groups, skipping.\n", dom->name));
+ dom = dom->next;
+ continue;
}
- return;
+
+
+ gctx->doms = talloc_realloc(gctx, gctx->doms,
+ struct dom_ctx, gctx->num +1);
+ if (!gctx->doms) {
+ talloc_free(gctx);
+ nctx->gctx = NULL;
+ return ENOMEM;
+ }
+
+ gctx->doms[gctx->num].domain = dctx->domain;
+ gctx->doms[gctx->num].res = talloc_steal(gctx->doms, res);
+ gctx->doms[gctx->num].cur = 0;
+
+ gctx->num++;
+
+ /* do not reply until all domain searches are done */
+ dom = dom->next;
}
/* set cache mark */
@@ -2103,28 +2114,25 @@ static void nss_cmd_setgrent_callback(void *ptr, int status,
if (cmdctx->immediate) {
/* this was a getgrent call w/o setgrent,
* return immediately one result */
- ret = nss_cmd_getgrent_immediate(cmdctx);
- if (ret != EOK) NSS_CMD_FATAL_ERROR(cctx);
- return;
+ return nss_cmd_getgrent_immediate(cmdctx);
}
/* create response packet */
ret = sss_packet_new(cctx->creq, 0,
sss_packet_get_cmd(cctx->creq->in),
&cctx->creq->out);
- if (ret != EOK) {
- NSS_CMD_FATAL_ERROR(cctx);
+ if (ret == EOK) {
+ sss_cmd_done(cctx, cmdctx);
}
- sss_cmd_done(cctx, cmdctx);
+ return ret;
}
-static void nss_cmd_setgr_dp_callback(uint16_t err_maj, uint32_t err_min,
- const char *err_msg, void *ptr)
+static void nss_cmd_getgrent_dp_callback(uint16_t err_maj, uint32_t err_min,
+ const char *err_msg, void *ptr)
{
struct nss_dom_ctx *dctx = talloc_get_type(ptr, struct nss_dom_ctx);
struct nss_cmd_ctx *cmdctx = dctx->cmdctx;
struct cli_ctx *cctx = cmdctx->cctx;
- struct sysdb_ctx *sysdb;
int ret;
if (err_maj) {
@@ -2134,37 +2142,20 @@ static void nss_cmd_setgr_dp_callback(uint16_t err_maj, uint32_t err_min,
(unsigned int)err_maj, (unsigned int)err_min, err_msg));
}
- ret = sysdb_get_ctx_from_list(cctx->rctx->db_list,
- dctx->domain, &sysdb);
- if (ret != EOK) {
- DEBUG(0, ("Fatal: Sysdb CTX not found for this domain!\n"));
- NSS_CMD_FATAL_ERROR(cctx);
- }
- ret = sysdb_enumgrent(dctx, sysdb,
- dctx->domain,
- nss_cmd_setgrent_callback, dctx);
- if (ret != EOK) {
- DEBUG(1, ("Failed to make request to our cache!\n"));
+ ret = nss_cmd_getgrent_search(dctx);
- ret = nss_cmd_send_error(cmdctx, ret);
- if (ret != EOK) {
- NSS_CMD_FATAL_ERROR(cctx);
- }
- sss_cmd_done(cctx, cmdctx);
+ if (ret) {
+ NSS_CMD_FATAL_ERROR(cctx);
}
}
static int nss_cmd_setgrent_ext(struct cli_ctx *cctx, bool immediate)
{
struct sss_domain_info *dom;
- struct sysdb_ctx *sysdb;
struct nss_cmd_ctx *cmdctx;
struct nss_dom_ctx *dctx;
struct nss_ctx *nctx;
time_t now = time(NULL);
- int timeout;
- uint8_t *body;
- size_t blen;
int ret;
DEBUG(4, ("Requesting info for all groups\n"));
@@ -2189,8 +2180,7 @@ static int nss_cmd_setgrent_ext(struct cli_ctx *cctx, bool immediate)
/* do not query backends if we have a recent enumeration */
if (nctx->enum_cache_timeout) {
- if (nctx->last_group_enum +
- nctx->enum_cache_timeout > now) {
+ if (nctx->last_group_enum + nctx->enum_cache_timeout > now) {
cmdctx->enum_cached = true;
}
}
@@ -2203,71 +2193,25 @@ static int nss_cmd_setgrent_ext(struct cli_ctx *cctx, bool immediate)
if (dctx->domain == NULL) {
DEBUG(2, ("Enumeration disabled on all domains!\n"));
- ret = ENOENT;
+ if (cmdctx->immediate) {
+ ret = ENOENT;
+ } else {
+ ret = sss_packet_new(cctx->creq, 0,
+ sss_packet_get_cmd(cctx->creq->in),
+ &cctx->creq->out);
+ if (ret == EOK) {
+ sss_cmd_done(cctx, cmdctx);
+ }
+ }
goto done;
}
- if (cmdctx->enum_cached) {
- dctx->check_provider = false;
- } else {
- dctx->check_provider = NEED_CHECK_PROVIDER(dctx->domain->provider);
- }
-
- if (dctx->check_provider) {
- timeout = SSS_CLI_SOCKET_TIMEOUT;
- ret = sss_dp_send_acct_req(cctx->rctx, cmdctx,
- nss_cmd_setgr_dp_callback, dctx,
- timeout, dom->name, true,
- SSS_DP_GROUP, NULL, 0);
- } else {
- ret = sysdb_get_ctx_from_list(cctx->rctx->db_list,
- dctx->domain, &sysdb);
- if (ret != EOK) {
- DEBUG(0, ("Fatal: Sysdb CTX not found for this domain!\n"));
- ret = EFAULT;
- goto done;
- }
- ret = sysdb_enumgrent(dctx, sysdb,
- dctx->domain,
- nss_cmd_setgrent_callback, dctx);
- }
- if (ret != EOK) {
- /* FIXME: shutdown ? */
- DEBUG(1, ("Failed to send enumeration request for domain [%s]!\n",
- dom->name));
- }
+ dctx->check_provider = NEED_CHECK_PROVIDER(dctx->domain->provider);
+ /* ok, start the searches */
+ ret = nss_cmd_getgrent_search(dctx);
done:
- if (ret != EOK) {
- if (ret == ENOENT) {
- if (cmdctx->immediate) {
- /* we do not have any entry to return */
- ret = sss_packet_new(cctx->creq, 2*sizeof(uint32_t),
- sss_packet_get_cmd(cctx->creq->in),
- &cctx->creq->out);
- if (ret == EOK) {
- sss_packet_get_body(cctx->creq->out, &body, &blen);
- ((uint32_t *)body)[0] = 0; /* 0 results */
- ((uint32_t *)body)[1] = 0; /* reserved */
- }
- }
- else {
- /* create response packet */
- ret = sss_packet_new(cctx->creq, 0,
- sss_packet_get_cmd(cctx->creq->in),
- &cctx->creq->out);
- }
- }
- if (ret != EOK) {
- ret = nss_cmd_send_error(cmdctx, ret);
- }
- if (ret == EOK) {
- sss_cmd_done(cctx, cmdctx);
- }
- return ret;
- }
-
- return EOK;
+ return nss_cmd_done(cmdctx, ret);
}
static int nss_cmd_setgrent(struct cli_ctx *cctx)
@@ -2282,13 +2226,15 @@ static int nss_cmd_retgrent(struct cli_ctx *cctx, int num)
struct ldb_message **msgs = NULL;
struct dom_ctx *gdom = NULL;
int n = 0;
- int ret;
+ int ret = ENOENT;
nctx = talloc_get_type(cctx->rctx->pvt_ctx, struct nss_ctx);
+ if (!nctx->gctx) goto none;
+
gctx = nctx->gctx;
- do {
- if (gctx->cur >= gctx->num) goto none;
+ while (ret == ENOENT) {
+ if (gctx->cur >= gctx->num) break;
gdom = &gctx->doms[gctx->cur];
@@ -2299,24 +2245,26 @@ static int nss_cmd_retgrent(struct cli_ctx *cctx, int num)
n = gdom->res->count - gdom->cur;
}
- if (!n) goto none;
+ if (!n) break;
+
+ if (n > num) n = num;
msgs = &(gdom->res->msgs[gdom->cur]);
- ret = fill_grent(cctx->creq->out, gdom->domain, nctx, true, msgs, num, &n);
+ ret = fill_grent(cctx->creq->out,
+ gdom->domain,
+ nctx, true, msgs, n, &n);
gdom->cur += n;
-
- } while(ret == ENOENT);
-
- return ret;
+ }
none:
- return fill_empty(cctx->creq->out);
+ if (ret == ENOENT) {
+ ret = fill_empty(cctx->creq->out);
+ }
+ return ret;
}
-/* used only if a process calls getpwent() without first calling setpwent()
- */
static int nss_cmd_getgrent_immediate(struct nss_cmd_ctx *cmdctx)
{
struct cli_ctx *cctx = cmdctx->cctx;
@@ -2359,9 +2307,6 @@ static int nss_cmd_getgrent(struct cli_ctx *cctx)
/* see if we need to trigger an implicit setpwent() */
if (nctx->gctx == NULL) {
- nctx->gctx = talloc_zero(nctx, struct getent_ctx);
- if (!nctx->gctx) return ENOMEM;
-
return nss_cmd_setgrent_ext(cctx, true);
}