initial support for paramter type P_LIST

it will avoid problems with lists being longer than 1024 bytes
just now only ip list parameters have been converted to the new type
(hosts allow, hosts deny, ssl hosts, ssl hosts resign)
(This used to be commit e1572f85d6247b760db10825b2fa688d7ed50bd3)

1 files changed, 23 insertions, 43 deletions

diff --git a/source3/lib/access.c b/source3/lib/access.c
index df0585e959d..e391406d5f9 100644
--- a/source3/lib/access.c
+++ b/source3/lib/access.c
@@ -148,20 +148,11 @@ token '%s' in an allow/deny hosts line.\n", invalid_char, tok ));
 }
 
 /* list_match - match an item against a list of tokens with exceptions */
-/* (All modifications are marked with the initials "jkf") */
-static int list_match(char *list,char *item, int (*match_fn)(char *, char *))
+static int list_match(char **list,char *item, int (*match_fn)(char *, char *))
 {
-    char   *tok;
-    char   *listcopy;		/* jkf */
     int     match = False;
 
-    /*
-     * jkf@soton.ac.uk -- 31 August 1994 -- Stop list_match()
-     * overwriting the list given as its first parameter.
-     */
-
-    /* jkf -- can get called recursively with NULL list */
-    listcopy = (list == 0) ? (char *)0 : strdup(list);
+    if (!list) return False;
 
     /*
      * Process tokens one at a time. We have exhausted all possible matches
@@ -170,30 +161,30 @@ static int list_match(char *list,char *item, int (*match_fn)(char *, char *))
      * the match is affected by any exceptions.
      */
 
-    for (tok = strtok(listcopy, sep); tok ; tok = strtok(NULL, sep)) {
-	if (strcasecmp(tok, "EXCEPT") == 0)	/* EXCEPT: give up */
+    for (; *list ; list++) {
+	if (strcasecmp(*list, "EXCEPT") == 0)	/* EXCEPT: give up */
 	    break;
-	if ((match = (*match_fn) (tok, item)))	/* True or FAIL */
+	if ((match = (*match_fn) (*list, item)))	/* True or FAIL */
 	    break;
     }
     /* Process exceptions to True or FAIL matches. */
 
     if (match != False) {
-	while ((tok = strtok((char *) 0, sep)) && strcasecmp(tok, "EXCEPT"))
-	     /* VOID */ ;
-	if (tok == 0 || list_match((char *) 0, item, match_fn) == False) {
-	    if (listcopy != 0) free(listcopy); /* jkf */
-	    return (match);
+	while (*list  && strcasecmp(*list, "EXCEPT"))
+		list++;
+
+	for (; *list; list++) {
+		if ((*match_fn) (*list, item)) /* Exception Found */
+			return False;
 	}
     }
 
-    if (listcopy != 0) free(listcopy); /* jkf */
-    return (False);
+    return (match);
 }
 
 
 /* return true if access should be allowed */
-BOOL allow_access(char *deny_list,char *allow_list,
+BOOL allow_access(char **deny_list,char **allow_list,
 		  char *cname,char *caddr)
 {
 	char *client[2];
@@ -241,24 +232,22 @@ BOOL allow_access(char *deny_list,char *allow_list,
 
 /* return true if the char* contains ip addrs only.  Used to avoid 
 gethostbyaddr() calls */
-static BOOL only_ipaddrs_in_list(const char* list)
+static BOOL only_ipaddrs_in_list(char** list)
 {
 	BOOL 		only_ip = True;
-	char		*listcopy,
-			*tok;
+	
+	if (!list) return True;
 			
-	listcopy = strdup(list);
-
-	for (tok = strtok(listcopy, sep); tok ; tok = strtok(NULL, sep)) 
+	for (; *list ; list++) 
 	{
 		/* factor out the special strings */
-		if (!strcasecmp(tok, "ALL") || !strcasecmp(tok, "FAIL") || 
-		    !strcasecmp(tok, "EXCEPT"))
+		if (!strcasecmp(*list, "ALL") || !strcasecmp(*list, "FAIL") || 
+		    !strcasecmp(*list, "EXCEPT"))
 		{
 			continue;
 		}
 		
-		if (!is_ipaddress(tok))
+		if (!is_ipaddress(*list))
 		{
 			char *p;
 			/* 
@@ -266,30 +255,24 @@ static BOOL only_ipaddrs_in_list(const char* list)
 			 * was a network/netmask pair.  Only network/netmask pairs
 			 * have a '/' in them
 			 */
-			if ((p=strchr(tok, '/')) == NULL)
+			if ((p=strchr(*list, '/')) == NULL)
 			{
 				only_ip = False;
-				DEBUG(3,("only_ipaddrs_in_list: list [%s] has non-ip address %s\n", list, tok));
+				DEBUG(3,("only_ipaddrs_in_list: list has non-ip address (%s)\n", *list));
 				break;
 			}
 		}
 	}
 	
-	if (listcopy) 
-		free (listcopy);
-	
 	return only_ip;
 }
 
 /* return true if access should be allowed to a service for a socket */
-BOOL check_access(int sock, char *allow_list, char *deny_list)
+BOOL check_access(int sock, char **allow_list, char **deny_list)
 {
 	BOOL ret = False;
 	BOOL only_ip = False;
 	
-	if (deny_list) deny_list = strdup(deny_list);
-	if (allow_list) allow_list = strdup(allow_list);
-
 	if ((!deny_list || *deny_list==0) && (!allow_list || *allow_list==0)) 
 	{
 		ret = True;
@@ -325,8 +308,5 @@ BOOL check_access(int sock, char *allow_list, char *deny_list)
 		}
 	}
 
-	if (deny_list) free(deny_list);
-	if (allow_list) free(allow_list);
-	
 	return(ret);
 }