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Diffstat (limited to 'server/responder/common/responder_common.c')
-rw-r--r--server/responder/common/responder_common.c136
1 files changed, 110 insertions, 26 deletions
diff --git a/server/responder/common/responder_common.c b/server/responder/common/responder_common.c
index fa024d53..855c78a7 100644
--- a/server/responder/common/responder_common.c
+++ b/server/responder/common/responder_common.c
@@ -36,15 +36,15 @@
#include "dbus/dbus.h"
#include "sbus/sssd_dbus.h"
#include "util/btreemap.h"
-#include "responder/common/responder_common.h"
+#include "responder/common/responder.h"
#include "responder/common/responder_packet.h"
-#include "responder/common/responder_cmd.h"
-#include "responder/common/responder_dp.h"
#include "providers/data_provider.h"
#include "monitor/monitor_sbus.h"
#include "monitor/monitor_interfaces.h"
#include "sbus/sbus_client.h"
+#define NAMES_CONFIG "config/names"
+
static void set_nonblocking(int fd)
{
unsigned v;
@@ -487,6 +487,62 @@ done:
return retval;
}
+int sss_names_init(struct resp_ctx *rctx)
+{
+ struct sss_names_ctx *ctx;
+ const char *errstr;
+ int errval;
+ int errpos;
+ int ret;
+
+ ctx = talloc_zero(rctx, struct sss_names_ctx);
+ if (!ctx) return ENOMEM;
+
+ ret = confdb_get_string(rctx->cdb, ctx, NAMES_CONFIG,
+ "re-expression", NULL, &ctx->re_pattern);
+ if (ret != EOK) goto done;
+
+ if (!ctx->re_pattern) {
+ ctx->re_pattern = talloc_strdup(ctx,
+ "(?<name>[^@]+)@?(?<domain>[^@]*$)");
+ if (!ctx->re_pattern) {
+ ret = ENOMEM;
+ goto done;
+ }
+ }
+
+ ret = confdb_get_string(rctx->cdb, ctx, NAMES_CONFIG,
+ "full-name-format", NULL, &ctx->fq_fmt);
+ if (ret != EOK) goto done;
+
+ if (!ctx->fq_fmt) {
+ ctx->fq_fmt = talloc_strdup(ctx, "%1$s@%2$s");
+ if (!ctx->fq_fmt) {
+ ret = ENOMEM;
+ goto done;
+ }
+ }
+
+ ctx->re = pcre_compile2(ctx->re_pattern,
+ PCRE_DUPNAMES | PCRE_EXTENDED,
+ &errval, &errstr, &errpos, NULL);
+ if (!ctx->re) {
+ DEBUG(1, ("Invalid Regular Expression pattern at position %d."
+ " (Error: %d [%s])\n", errpos, errval, errstr));
+ ret = EFAULT;
+ goto done;
+ }
+
+ rctx->names = ctx;
+ ret = EOK;
+
+done:
+ if (ret != EOK) {
+ talloc_free(ctx);
+ }
+ return ret;
+}
+
int sss_process_init(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct confdb_ctx *cdb,
@@ -539,6 +595,12 @@ int sss_process_init(TALLOC_CTX *mem_ctx,
return ret;
}
+ ret = sss_names_init(rctx);
+ if (ret != EOK) {
+ DEBUG(0, ("fatal error initializing regex data\n"));
+ return ret;
+ }
+
/* after all initializations we are ready to listen on our socket */
ret = set_unix_socket(rctx);
if (ret != EOK) {
@@ -553,33 +615,55 @@ int sss_process_init(TALLOC_CTX *mem_ctx,
}
int sss_parse_name(TALLOC_CTX *memctx,
- const char *fullname,
- struct btreemap *domain_map,
- const char **domain, const char **name) {
- char *delim;
- struct btreemap *node;
- int ret;
+ struct sss_names_ctx *snctx,
+ const char *orig, char **domain, char **name)
+{
+ pcre *re = snctx->re;
+ const char *result;
+ int ovec[30];
+ int origlen;
+ int ret, strnum;
- if ((delim = strchr(fullname, SSS_DOMAIN_DELIM)) != NULL) {
-
- /* Check for registered domain */
- ret = btreemap_search_key(domain_map, (void *)(delim+1), &node);
- if (ret != BTREEMAP_FOUND) {
- /* No such domain was registered. Return EINVAL.
- * TODO: alternative approach?
- * Alternatively, we could simply fail down to
- * below, treating the entire construct as the
- * full name if the domain is unspecified.
- */
- return EINVAL;
- }
+ origlen = strlen(orig);
+
+ ret = pcre_exec(re, NULL, orig, origlen, 0, PCRE_NOTEMPTY, ovec, 30);
+ if (ret < 0) {
+ DEBUG(2, ("PCRE Matching error, %d\n", ret));
+ return EINVAL;
+ }
- *name = talloc_strndup(memctx, fullname, delim-fullname);
- *domain = talloc_strdup(memctx, delim+1);
+ if (ret == 0) {
+ DEBUG(1, ("Too many matches, the pattern is invalid.\n"));
}
- else {
- *name = talloc_strdup(memctx, fullname);
+
+ strnum = ret;
+
+ result = NULL;
+ ret = pcre_get_named_substring(re, orig, ovec, strnum, "name", &result);
+ if (ret < 0 || !result) {
+ DEBUG(2, ("Name not found!\n"));
+ return EINVAL;
+ }
+ *name = talloc_strdup(memctx, result);
+ pcre_free_substring(result);
+ if (!*name) return ENOMEM;
+
+
+ result = NULL;
+ ret = pcre_get_named_substring(re, orig, ovec, strnum, "domain", &result);
+ if (ret < 0 || !result) {
+ DEBUG(4, ("Domain not provided!\n"));
*domain = NULL;
+ } else {
+ /* ignore "" string */
+ if (*result) {
+ *domain = talloc_strdup(memctx, result);
+ pcre_free_substring(result);
+ if (!*domain) return ENOMEM;
+ } else {
+ pcre_free_substring(result);
+ *domain = NULL;
+ }
}
return EOK;