diff options
Diffstat (limited to 'src/providers/proxy/proxy_services.c')
| -rw-r--r-- | src/providers/proxy/proxy_services.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/providers/proxy/proxy_services.c b/src/providers/proxy/proxy_services.c new file mode 100644 index 000000000..184f4daf3 --- /dev/null +++ b/src/providers/proxy/proxy_services.c @@ -0,0 +1,199 @@ +/* + SSSD + + Authors: + Stephen Gallagher <sgallagh@redhat.com> + + Copyright (C) 2012 Red Hat + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "providers/proxy/proxy.h" +#include "util/util.h" +#include "util/strtonum.h" +#include "db/sysdb_services.h" + +#define BUFLEN 1024 + +errno_t +proxy_save_service(struct sysdb_ctx *sysdb, + struct servent *svc, + bool lowercase, + uint64_t cache_timeout) +{ + errno_t ret; + char *cased_name; + const char **protocols; + const char **cased_aliases; + TALLOC_CTX *tmp_ctx; + size_t num_aliases, i; + time_t now = time(NULL); + + tmp_ctx = talloc_new(NULL); + if (!tmp_ctx) return ENOMEM; + + cased_name = sss_get_cased_name(tmp_ctx, svc->s_name, !lowercase); + if (!cased_name) { + ret = ENOMEM; + goto done; + } + + protocols = talloc_array(tmp_ctx, const char *, 2); + if (!protocols) { + ret = ENOMEM; + goto done; + } + + protocols[0] = sss_get_cased_name(protocols, svc->s_proto, + !lowercase); + if (!protocols[0]) { + ret = ENOMEM; + goto done; + } + protocols[1] = NULL; + + /* Count the aliases */ + for(num_aliases = 0; svc->s_aliases[num_aliases]; num_aliases++); + + if (num_aliases >= 1) { + cased_aliases = talloc_array(tmp_ctx, const char *, num_aliases + 1); + if (!cased_aliases) { + ret = ENOMEM; + goto done; + } + + for (i = 0; i < num_aliases; i++) { + cased_aliases[i] = sss_get_cased_name(tmp_ctx, svc->s_aliases[i], + !lowercase); + if (!cased_aliases[i]) { + ret = ENOMEM; + goto done; + } + } + cased_aliases[num_aliases] = NULL; + } else { + cased_aliases = NULL; + } + + ret = sysdb_store_service(sysdb, + cased_name, + ntohs(svc->s_port), + cased_aliases, + protocols, + cache_timeout, + now); +done: + talloc_free(tmp_ctx); + return ret; +} + +errno_t +get_serv_byname(struct proxy_id_ctx *ctx, + struct sysdb_ctx *sysdb, + struct sss_domain_info *dom, + const char *name, + const char *protocol) +{ + errno_t ret; + enum nss_status status; + struct servent *result; + TALLOC_CTX *tmp_ctx; + char buffer[BUFLEN]; + + tmp_ctx = talloc_new(NULL); + if (!tmp_ctx) return ENOMEM; + + result = talloc_zero(tmp_ctx, struct servent); + if (!result) { + ret = ENOMEM; + goto done; + } + + status = ctx->ops.getservbyname_r(name, protocol, result, + buffer, BUFLEN, &ret); + if (status != NSS_STATUS_SUCCESS && status != NSS_STATUS_NOTFOUND) { + DEBUG(SSSDBG_MINOR_FAILURE, + ("getservbyname_r failed for service [%s].\n", name)); + return ret; + } + + if (status == NSS_STATUS_NOTFOUND) { + /* Make sure we remove it from the cache */ + ret = sysdb_svc_delete(sysdb, name, 0, protocol); + } else { + + /* Results found. Save them into the cache */ + ret = proxy_save_service(sysdb, result, + !dom->case_sensitive, + ctx->entry_cache_timeout); + } + +done: + talloc_free(tmp_ctx); + return ret; +} + +errno_t +get_serv_byport(struct proxy_id_ctx *ctx, + struct sysdb_ctx *sysdb, + struct sss_domain_info *dom, + const char *be_filter, + const char *protocol) +{ + errno_t ret; + enum nss_status status; + struct servent *result; + TALLOC_CTX *tmp_ctx; + uint16_t port; + char buffer[BUFLEN]; + + tmp_ctx = talloc_new(NULL); + if (!tmp_ctx) return ENOMEM; + + result = talloc_zero(tmp_ctx, struct servent); + if (!result) { + ret = ENOMEM; + goto done; + } + + errno = 0; + port = htons(strtouint16(be_filter, NULL, 0)); + if (errno) { + ret = errno; + goto done; + } + + status = ctx->ops.getservbyport_r(port, protocol, result, + buffer, BUFLEN, &ret); + if (status != NSS_STATUS_SUCCESS && status != NSS_STATUS_NOTFOUND) { + DEBUG(SSSDBG_MINOR_FAILURE, + ("getservbyport_r failed for service [%s].\n", be_filter)); + return ret; + } + + if (status == NSS_STATUS_NOTFOUND) { + /* Make sure we remove it from the cache */ + ret = sysdb_svc_delete(sysdb, NULL, port, protocol); + } else { + /* Results found. Save them into the cache */ + ret = proxy_save_service(sysdb, result, + !dom->case_sensitive, + ctx->entry_cache_timeout); + } + +done: + talloc_free(tmp_ctx); + return ret; +} |