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author | Simo Sorce <simo@redhat.com> | 2011-12-29 02:19:11 -0500 |
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committer | Stephen Gallagher <sgallagh@redhat.com> | 2012-03-19 09:45:25 -0400 |
commit | 6cb1a6e7c7517ab4ccb8ad37ade86f95b5c16a01 (patch) | |
tree | a995fb3e2eae8d2cd5dbc4ef9133bf727745b6fe /src/responder/nss/nsssrv_mmap_cache.c | |
parent | 24451a6231ea0b7fd0e98a9931e8254aa17bf4cf (diff) | |
download | sssd-6cb1a6e7c7517ab4ccb8ad37ade86f95b5c16a01.tar.gz sssd-6cb1a6e7c7517ab4ccb8ad37ade86f95b5c16a01.tar.xz sssd-6cb1a6e7c7517ab4ccb8ad37ade86f95b5c16a01.zip |
nsssrv: add handling of memory cache passwd map
Diffstat (limited to 'src/responder/nss/nsssrv_mmap_cache.c')
-rw-r--r-- | src/responder/nss/nsssrv_mmap_cache.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/responder/nss/nsssrv_mmap_cache.c b/src/responder/nss/nsssrv_mmap_cache.c index 2f90d826b..d1f639fd3 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 ***************************************************************************/ |