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author | Simo Sorce <simo@redhat.com> | 2012-01-03 00:46:41 -0500 |
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committer | Simo Sorce <simo@redhat.com> | 2012-01-09 13:29:20 -0500 |
commit | a096f75242bb612b7a1ae126c8e960934dc85fd4 (patch) | |
tree | c8bc3cfdbaef017fbb77187af1e102cf1f5a5cad /src/responder/nss/nsssrv_cmd.c | |
parent | 056a1ab1cc926e8d09d50b11e5f681c9b367e8e7 (diff) | |
download | sssd-a096f75242bb612b7a1ae126c8e960934dc85fd4.tar.gz sssd-a096f75242bb612b7a1ae126c8e960934dc85fd4.tar.bz2 sssd-a096f75242bb612b7a1ae126c8e960934dc85fd4.zip |
nsssrv: use sized_string in fill_grent
Diffstat (limited to 'src/responder/nss/nsssrv_cmd.c')
-rw-r--r-- | src/responder/nss/nsssrv_cmd.c | 83 |
1 files changed, 48 insertions, 35 deletions
diff --git a/src/responder/nss/nsssrv_cmd.c b/src/responder/nss/nsssrv_cmd.c index 96c6a1aa..abed7a88 100644 --- a/src/responder/nss/nsssrv_cmd.c +++ b/src/responder/nss/nsssrv_cmd.c @@ -1767,12 +1767,13 @@ static int fill_grent(struct sss_packet *packet, uint8_t *body; size_t blen; uint32_t gid; + const char *tmpstr; const char *orig_name; - char *name; - size_t nsize; + struct sized_string name; + struct sized_string pwfield; + struct sized_string fullname; size_t delim; size_t dom_len; - size_t pwlen; int i = 0; int j = 0; int ret, num, memnum; @@ -1790,8 +1791,9 @@ static int fill_grent(struct sss_packet *packet, dom_len = 0; } + to_sized_string(&pwfield, nctx->pwfield); + num = 0; - pwlen = strlen(nctx->pwfield) + 1; /* first 2 fields (len and reserved), filled up later */ ret = sss_packet_grow(packet, 2*sizeof(uint32_t)); @@ -1838,18 +1840,17 @@ static int fill_grent(struct sss_packet *packet, } } - name = sss_get_cased_name(tmp_ctx, orig_name, dom->case_sensitive); - if (name == NULL) { + tmpstr = sss_get_cased_name(tmp_ctx, orig_name, dom->case_sensitive); + if (tmpstr == NULL) { DEBUG(SSSDBG_CRIT_FAILURE, ("sss_get_cased_name failed, skipping\n")); continue; } - - nsize = strlen(name) + 1; /* includes terminating \0 */ - if (add_domain) nsize += delim + dom_len; + to_sized_string(&name, tmpstr); /* fill in gid and name and set pointer for number of members */ - rsize = STRS_ROFFSET + nsize + pwlen; /* name\0x\0 */ + rsize = STRS_ROFFSET + name.len + pwfield.len; /* name\0x\0 */ + if (add_domain) rsize += delim + dom_len; ret = sss_packet_grow(packet, rsize); if (ret != EOK) { @@ -1867,10 +1868,11 @@ static int fill_grent(struct sss_packet *packet, /* 8-X: sequence of strings (name, passwd, mem..) */ if (add_domain) { ret = snprintf((char *)&body[rzero+STRS_ROFFSET], - nsize, namefmt, name, domain); - if (ret >= nsize) { + name.len + delim + dom_len, + namefmt, name.str, domain); + if (ret >= (name.len + delim + dom_len)) { /* need more space, got creative with the print format ? */ - int t = ret - nsize + 1; + int t = ret - (name.len + delim + dom_len) + 1; ret = sss_packet_grow(packet, t); if (ret != EOK) { num = 0; @@ -1879,16 +1881,16 @@ static int fill_grent(struct sss_packet *packet, sss_packet_get_body(packet, &body, &blen); rsize += t; delim += t; - nsize += t; /* retry */ ret = snprintf((char *)&body[rzero+STRS_ROFFSET], - nsize, namefmt, name, domain); + name.len + delim + dom_len, + namefmt, name.str, domain); } - if (ret != nsize-1) { + if (ret != name.len + delim + dom_len - 1) { DEBUG(1, ("Failed to generate a fully qualified name for" - " group [%s] in [%s]! Skipping\n", name, domain)); + " group [%s] in [%s]! Skipping\n", name.str, domain)); /* reclaim space */ ret = sss_packet_shrink(packet, rsize); if (ret != EOK) { @@ -1899,36 +1901,41 @@ static int fill_grent(struct sss_packet *packet, continue; } } else { - memcpy(&body[rzero+STRS_ROFFSET], name, nsize); + memcpy(&body[rzero+STRS_ROFFSET], name.str, name.len); } + to_sized_string(&fullname, (const char *)&body[rzero+STRS_ROFFSET]); /* group passwd field */ - memcpy(&body[rzero + rsize -pwlen], nctx->pwfield, pwlen); + memcpy(&body[rzero+STRS_ROFFSET + fullname.len], + pwfield.str, pwfield.len); el = ldb_msg_find_element(msg, SYSDB_MEMBERUID); if (el) { memnum = 0; for (j = 0; j < el->num_values; j++) { - name = (char *)el->values[j].data; + tmpstr = (char *)el->values[j].data; if (nctx->filter_users_in_groups) { ret = sss_ncache_check_user(nctx->ncache, nctx->neg_timeout, - dom, name); + dom, tmpstr); if (ret == EEXIST) { DEBUG(6, ("Group [%s] member [%s@%s] filtered out!" " (negative cache)\n", (char *)&body[rzero+STRS_ROFFSET], - name, domain)); + tmpstr, domain)); continue; } } - nsize = strlen(name) + 1; /* includes terminating \0 */ - if (add_domain) nsize += delim + dom_len; + to_sized_string(&name, tmpstr); - ret = sss_packet_grow(packet, nsize); + if (add_domain) { + ret = sss_packet_grow(packet, name.len + delim + dom_len); + } else { + ret = sss_packet_grow(packet, name.len); + } if (ret != EOK) { num = 0; goto done; @@ -1937,11 +1944,12 @@ static int fill_grent(struct sss_packet *packet, if (add_domain) { ret = snprintf((char *)&body[rzero + rsize], - nsize, namefmt, name, domain); - if (ret >= nsize) { + name.len + delim + dom_len, + namefmt, name, domain); + if (ret >= (name.len + delim + dom_len)) { /* need more space, * got creative with the print format ? */ - int t = ret - nsize + 1; + int t = ret - name.len + delim + dom_len + 1; ret = sss_packet_grow(packet, t); if (ret != EOK) { num = 0; @@ -1949,20 +1957,21 @@ static int fill_grent(struct sss_packet *packet, } sss_packet_get_body(packet, &body, &blen); delim += t; - nsize += t; /* retry */ ret = snprintf((char *)&body[rzero + rsize], - nsize, namefmt, name, domain); + name.len + delim + dom_len, + namefmt, name, domain); } - if (ret != nsize-1) { + if (ret != name.len + delim + dom_len - 1) { DEBUG(1, ("Failed to generate a fully qualified name" " for member [%s@%s] of group [%s]!" - " Skipping\n", name, domain, + " Skipping\n", name.str, domain, (char *)&body[rzero+STRS_ROFFSET])); /* reclaim space */ - ret = sss_packet_shrink(packet, nsize); + ret = sss_packet_shrink(packet, + name.len + delim + dom_len); if (ret != EOK) { num = 0; goto done; @@ -1971,10 +1980,14 @@ static int fill_grent(struct sss_packet *packet, } } else { - memcpy(&body[rzero + rsize], name, nsize); + memcpy(&body[rzero + rsize], name.str, name.len); } - rsize += nsize; + if (add_domain) { + rsize += name.len + delim + dom_len; + } else { + rsize += name.len; + } memnum++; } |