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authorSimo Sorce <simo@redhat.com>2011-12-29 02:19:11 -0500
committerStephen Gallagher <sgallagh@redhat.com>2012-03-19 09:45:25 -0400
commit6cb1a6e7c7517ab4ccb8ad37ade86f95b5c16a01 (patch)
treea995fb3e2eae8d2cd5dbc4ef9133bf727745b6fe /src
parent24451a6231ea0b7fd0e98a9931e8254aa17bf4cf (diff)
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nsssrv: add handling of memory cache passwd map
Diffstat (limited to 'src')
-rw-r--r--src/responder/nss/nsssrv_cmd.c20
-rw-r--r--src/responder/nss/nsssrv_mmap_cache.c76
-rw-r--r--src/responder/nss/nsssrv_mmap_cache.h8
3 files changed, 101 insertions, 3 deletions
diff --git a/src/responder/nss/nsssrv_cmd.c b/src/responder/nss/nsssrv_cmd.c
index 1e9927c1..cda2e563 100644
--- a/src/responder/nss/nsssrv_cmd.c
+++ b/src/responder/nss/nsssrv_cmd.c
@@ -24,6 +24,7 @@
#include "responder/nss/nsssrv_private.h"
#include "responder/nss/nsssrv_netgroup.h"
#include "responder/nss/nsssrv_services.h"
+#include "responder/nss/nsssrv_mmap_cache.h"
#include "responder/common/negcache.h"
#include "confdb/confdb.h"
#include "db/sysdb.h"
@@ -294,7 +295,7 @@ static const char *get_shell_override(TALLOC_CTX *mem_ctx,
static int fill_pwent(struct sss_packet *packet,
struct sss_domain_info *dom,
struct nss_ctx *nctx,
- bool filter_users,
+ bool filter_users, bool pw_mmap_cache,
struct ldb_message **msgs,
int *count)
{
@@ -445,6 +446,17 @@ static int fill_pwent(struct sss_packet *packet,
rp += shell.len;
num++;
+
+ if (pw_mmap_cache) {
+ ret = sss_mmap_cache_pw_store(nctx->pwd_mc_ctx,
+ &fullname, &pwfield,
+ uid, gid,
+ &gecos, &homedir, &shell);
+ if (ret != EOK && ret != ENOMEM) {
+ DEBUG(1, ("Failed to store user %s(%s) in mmap cache!",
+ name.str, domain));
+ }
+ }
}
talloc_zfree(tmp_ctx);
@@ -479,9 +491,10 @@ static int nss_cmd_getpw_send_reply(struct nss_dom_ctx *dctx, bool filter)
return EFAULT;
}
i = dctx->res->count;
+
ret = fill_pwent(cctx->creq->out,
dctx->domain,
- nctx, filter,
+ nctx, filter, true,
dctx->res->msgs, &i);
if (ret) {
return ret;
@@ -1580,7 +1593,8 @@ static int nss_cmd_retpwent(struct cli_ctx *cctx, int num)
msgs = &(pdom->res->msgs[cctx->pwent_cur]);
- ret = fill_pwent(cctx->creq->out, pdom->domain, nctx, true, msgs, &n);
+ ret = fill_pwent(cctx->creq->out, pdom->domain, nctx,
+ true, false, msgs, &n);
cctx->pwent_cur += n;
}
diff --git a/src/responder/nss/nsssrv_mmap_cache.c b/src/responder/nss/nsssrv_mmap_cache.c
index 2f90d826..d1f639fd 100644
--- a/src/responder/nss/nsssrv_mmap_cache.c
+++ b/src/responder/nss/nsssrv_mmap_cache.c
@@ -348,6 +348,82 @@ static struct sss_mc_rec *sss_mc_get_record(struct sss_mc_ctx *mcc,
/***************************************************************************
+ * passwd map
+ ***************************************************************************/
+
+errno_t sss_mmap_cache_pw_store(struct sss_mc_ctx *mcc,
+ struct sized_string *name,
+ struct sized_string *pw,
+ uid_t uid, gid_t gid,
+ struct sized_string *gecos,
+ struct sized_string *homedir,
+ struct sized_string *shell)
+{
+ struct sss_mc_rec *rec;
+ struct sss_mc_pwd_data *data;
+ struct sized_string uidkey;
+ char uidstr[11];
+ size_t data_len;
+ size_t rec_len;
+ size_t pos;
+ int ret;
+
+ ret = snprintf(uidstr, 11, "%ld", (long)uid);
+ if (ret > 10) {
+ return EINVAL;
+ }
+ to_sized_string(&uidkey, uidstr);
+
+ data_len = name->len + pw->len + gecos->len + homedir->len + shell->len;
+ rec_len = sizeof(struct sss_mc_rec) +
+ sizeof(struct sss_mc_pwd_data) +
+ data_len;
+ if (rec_len > mcc->dt_size) {
+ return ENOMEM;
+ }
+
+ rec = sss_mc_get_record(mcc, rec_len, name);
+
+ data = (struct sss_mc_pwd_data *)rec->data;
+ pos = 0;
+
+ MC_RAISE_BARRIER(rec);
+
+ /* header */
+ rec->len = rec_len;
+ rec->expire = time(NULL) + mcc->valid_time_slot;
+ rec->hash1 = sss_mc_hash(mcc, name->str, name->len);
+ rec->hash2 = sss_mc_hash(mcc, uidkey.str, uidkey.len);
+
+ /* passwd struct */
+ data->name = MC_PTR_DIFF(data->strs, data);
+ data->uid = uid;
+ data->gid = gid;
+ data->strs_len = data_len;
+ memcpy(&data->strs[pos], name->str, name->len);
+ pos += name->len;
+ memcpy(&data->strs[pos], pw->str, pw->len);
+ pos += pw->len;
+ memcpy(&data->strs[pos], gecos->str, gecos->len);
+ pos += gecos->len;
+ memcpy(&data->strs[pos], homedir->str, homedir->len);
+ pos += homedir->len;
+ memcpy(&data->strs[pos], shell->str, shell->len);
+ pos += shell->len;
+
+ MC_LOWER_BARRIER(rec);
+
+ /* finally chain the rec in the hash table */
+ /* name hash first */
+ sss_mc_add_rec_to_chain(mcc, rec, rec->hash1);
+ /* then uid */
+ sss_mc_add_rec_to_chain(mcc, rec, rec->hash2);
+
+ return EOK;
+}
+
+
+/***************************************************************************
* initialization
***************************************************************************/
diff --git a/src/responder/nss/nsssrv_mmap_cache.h b/src/responder/nss/nsssrv_mmap_cache.h
index 6f49b8b7..fc99cdbb 100644
--- a/src/responder/nss/nsssrv_mmap_cache.h
+++ b/src/responder/nss/nsssrv_mmap_cache.h
@@ -34,4 +34,12 @@ errno_t sss_mmap_cache_init(TALLOC_CTX *mem_ctx, const char *name,
enum sss_mc_type type, size_t n_elem,
struct sss_mc_ctx **mcc);
+errno_t sss_mmap_cache_pw_store(struct sss_mc_ctx *mcc,
+ struct sized_string *name,
+ struct sized_string *pw,
+ uid_t uid, gid_t gid,
+ struct sized_string *gecos,
+ struct sized_string *homedir,
+ struct sized_string *shell);
+
#endif /* _NSSSRV_MMAP_CACHE_H_ */