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-rw-r--r--src/responder/nss/nsssrv.c9
-rw-r--r--src/responder/nss/nsssrv.h1
-rw-r--r--src/responder/nss/nsssrv_cmd.c16
-rw-r--r--src/responder/nss/nsssrv_mmap_cache.c70
-rw-r--r--src/responder/nss/nsssrv_mmap_cache.h6
-rw-r--r--src/util/mmap_cache.h10
6 files changed, 108 insertions, 4 deletions
diff --git a/src/responder/nss/nsssrv.c b/src/responder/nss/nsssrv.c
index 5ba91f3c3..f2c893033 100644
--- a/src/responder/nss/nsssrv.c
+++ b/src/responder/nss/nsssrv.c
@@ -316,7 +316,14 @@ int nss_process_init(TALLOC_CTX *mem_ctx,
50000,
&nctx->pwd_mc_ctx);
if (ret) {
- DEBUG(SSSDBG_CRIT_FAILURE, ("mmap cache is DISABLED"));
+ DEBUG(SSSDBG_CRIT_FAILURE, ("passwd mmap cache is DISABLED"));
+ }
+
+ ret = sss_mmap_cache_init(nctx, "group", SSS_MC_GROUP,
+ 50000,
+ &nctx->grp_mc_ctx);
+ if (ret) {
+ DEBUG(SSSDBG_CRIT_FAILURE, ("group mmap cache is DISABLED"));
}
/* Set up file descriptor limits */
diff --git a/src/responder/nss/nsssrv.h b/src/responder/nss/nsssrv.h
index ba52f5827..2871c2bf8 100644
--- a/src/responder/nss/nsssrv.h
+++ b/src/responder/nss/nsssrv.h
@@ -67,6 +67,7 @@ struct nss_ctx {
char *shell_fallback;
struct sss_mc_ctx *pwd_mc_ctx;
+ struct sss_mc_ctx *grp_mc_ctx;
};
struct nss_packet;
diff --git a/src/responder/nss/nsssrv_cmd.c b/src/responder/nss/nsssrv_cmd.c
index cda2e563f..4706e98b8 100644
--- a/src/responder/nss/nsssrv_cmd.c
+++ b/src/responder/nss/nsssrv_cmd.c
@@ -1676,7 +1676,7 @@ done:
static int fill_grent(struct sss_packet *packet,
struct sss_domain_info *dom,
struct nss_ctx *nctx,
- bool filter_groups,
+ bool filter_groups, bool gr_mmap_cache,
struct ldb_message **msgs,
int *count)
{
@@ -1917,6 +1917,16 @@ static int fill_grent(struct sss_packet *packet,
}
num++;
+
+ if (gr_mmap_cache) {
+ ret = sss_mmap_cache_gr_store(nctx->grp_mc_ctx,
+ &fullname, &pwfield, gid, memnum,
+ (char *)&body[rzero] + STRS_ROFFSET +
+ fullname.len + pwfield.len,
+ rsize - STRS_ROFFSET -
+ fullname.len - pwfield.len);
+ }
+
continue;
}
talloc_zfree(tmp_ctx);
@@ -1957,7 +1967,7 @@ static int nss_cmd_getgr_send_reply(struct nss_dom_ctx *dctx, bool filter)
i = dctx->res->count;
ret = fill_grent(cctx->creq->out,
dctx->domain,
- nctx, filter,
+ nctx, filter, true,
dctx->res->msgs, &i);
if (ret) {
return ret;
@@ -2824,7 +2834,7 @@ static int nss_cmd_retgrent(struct cli_ctx *cctx, int num)
ret = fill_grent(cctx->creq->out,
gdom->domain,
- nctx, true, msgs, &n);
+ nctx, true, false, msgs, &n);
cctx->grent_cur += n;
}
diff --git a/src/responder/nss/nsssrv_mmap_cache.c b/src/responder/nss/nsssrv_mmap_cache.c
index d1f639fd3..18fc8b1ce 100644
--- a/src/responder/nss/nsssrv_mmap_cache.c
+++ b/src/responder/nss/nsssrv_mmap_cache.c
@@ -424,6 +424,76 @@ errno_t sss_mmap_cache_pw_store(struct sss_mc_ctx *mcc,
/***************************************************************************
+ * group map
+ ***************************************************************************/
+
+int sss_mmap_cache_gr_store(struct sss_mc_ctx *mcc,
+ struct sized_string *name,
+ struct sized_string *pw,
+ gid_t gid, size_t memnum,
+ char *membuf, size_t memsize)
+{
+ struct sss_mc_rec *rec;
+ struct sss_mc_grp_data *data;
+ struct sized_string gidkey;
+ char gidstr[11];
+ size_t data_len;
+ size_t rec_len;
+ size_t pos;
+ int ret;
+
+ ret = snprintf(gidstr, 11, "%ld", (long)gid);
+ if (ret > 10) {
+ return EINVAL;
+ }
+ to_sized_string(&gidkey, gidstr);
+
+ data_len = name->len + pw->len + memsize;
+ rec_len = sizeof(struct sss_mc_rec) +
+ sizeof(struct sss_mc_grp_data) +
+ data_len;
+ if (rec_len > mcc->dt_size) {
+ return ENOMEM;
+ }
+
+ rec = sss_mc_get_record(mcc, rec_len, name);
+
+ data = (struct sss_mc_grp_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, gidkey.str, gidkey.len);
+
+ /* group struct */
+ data->name = MC_PTR_DIFF(data->strs, data);
+ data->gid = gid;
+ data->members = memnum;
+ 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], membuf, memsize);
+ pos += memsize;
+
+ 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 gid */
+ 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 fc99cdbbd..72fcf2206 100644
--- a/src/responder/nss/nsssrv_mmap_cache.h
+++ b/src/responder/nss/nsssrv_mmap_cache.h
@@ -42,4 +42,10 @@ errno_t sss_mmap_cache_pw_store(struct sss_mc_ctx *mcc,
struct sized_string *homedir,
struct sized_string *shell);
+errno_t sss_mmap_cache_gr_store(struct sss_mc_ctx *mcc,
+ struct sized_string *name,
+ struct sized_string *pw,
+ gid_t gid, size_t memnum,
+ char *membuf, size_t memsize);
+
#endif /* _NSSSRV_MMAP_CACHE_H_ */
diff --git a/src/util/mmap_cache.h b/src/util/mmap_cache.h
index 0a4044a71..b3dac6ee2 100644
--- a/src/util/mmap_cache.h
+++ b/src/util/mmap_cache.h
@@ -111,6 +111,16 @@ struct sss_mc_pwd_data {
* string is zero terminated ordered as follows:
* name, passwd, gecos, dir, shell */
};
+
+struct sss_mc_grp_data {
+ rel_ptr_t name; /* ptr to name string, rel. to struct base addr */
+ uint32_t gid;
+ uint32_t members; /* number of members in strs */
+ uint32_t strs_len; /* length of strs */
+ char strs[0]; /* concatenation of all group strings, each
+ * string is zero terminated ordered as follows:
+ * name, passwd, member1, member2, ... */
+};
#pragma pack()
generated by cgit (git 2.34.1) at 2024-11-11 18:53:12 +0000