search : delimiter in ipsec.secrets entries from the rear

src/charon/config/credentials/local_credential_store.c

@@ -18,6 +18,8 @@
  * 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.
+ *
+ * RCSID $Id$
  */
 
 #include <sys/stat.h>
@@ -1394,7 +1396,7 @@ static void load_secrets(private_local_credential_store_t *this, bool reload)
 			{
 				continue;
 			}
-			if (!extract_token(&ids, ':', &line))
+			if (!extract_last_token(&ids, ':', &line))
 			{
 				DBG1(DBG_CFG, "line %d: missing ':' separator", line_nr);
 				goto error;

src/libstrongswan/utils/lexparser.c

@@ -17,6 +17,8 @@
  * 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.
+ *
+ * RCSID $Id$
  */
 
 #include <string.h>
@@ -45,7 +47,7 @@ bool match(const char *pattern, const chunk_t *ch)
 }
 
 /**
- * extracts a token ending with a given termination symbol
+ * extracts a token ending with the first occurrence of a given termination symbol
  */
 bool extract_token(chunk_t *token, const char termination, chunk_t *src)
 {
@@ -70,6 +72,32 @@ bool extract_token(chunk_t *token, const char termination, chunk_t *src)
 	return TRUE;
 }
 
+/**
+ * extracts a token ending with the last occurrence of a given termination symbol
+ */
+bool extract_last_token(chunk_t *token, const char termination, chunk_t *src)
+{
+	u_char *eot = memrchr(src->ptr, termination, src->len);
+	
+	/* initialize empty token */
+	*token = chunk_empty;
+	
+	if (eot == NULL) /* termination symbol not found */
+	{
+		return FALSE;
+	}
+	
+	/* extract token */
+	token->ptr = src->ptr;
+	token->len = (u_int)(eot - src->ptr);
+	
+	/* advance src pointer after termination symbol */
+	src->ptr = eot + 1;
+	src->len -= (token->len + 1);
+	
+	return TRUE;
+}
+
 /**
  *  fetches a new line terminated by \n or \r\n
  */

src/libstrongswan/utils/lexparser.h

@@ -17,6 +17,8 @@
  * 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.
+ *
+ * RCSID $Id$
  */
 
 #include <library.h>
@@ -32,10 +34,15 @@ bool eat_whitespace(chunk_t *src);
 bool match(const char *pattern, const chunk_t *ch);
 
 /**
- * @brief Extracts a token ending with a given termination symbol
+ * @brief Extracts a token ending with the first occurence a given termination symbol
  */
 bool extract_token(chunk_t *token, const char termination, chunk_t *src);
 
+/**
+ * @brief Extracts a token ending with the last occurence a given termination symbol
+ */
+bool extract_last_token(chunk_t *token, const char termination, chunk_t *src);
+
 /**
  *  @brief Fetches a new text line terminated by \n or \r\n
  */