Fix malloc bug when config file does not exist

Bump PORTREVISION

PR:		30566
Submitted by:	maintainer

1 files changed, 104 insertions, 0 deletions

diff --git a/net/netatalk/files/patch-aj b/net/netatalk/files/patch-aj
new file mode 100644
index 000000000000..55fd7d40340c
--- /dev/null
+++ b/net/netatalk/files/patch-aj
@@ -0,0 +1,104 @@
+--- libatalk/util/getiface.c.orig	Thu Sep 13 00:28:21 2001
++++ libatalk/util/getiface.c	Thu Sep 13 00:28:30 2001
+@@ -43,13 +43,6 @@
+ {
+     /* if we've run out of room, allocate some more. just return
+      * the present list if we can't. */
+-     if (*i >= *length) {
+-      char **new = realloc(list, sizeof(char **)*(*length + IFACE_NUM));
+-       
+-      if (!new) /* just break if we can't allocate anything */
+-	return -1;
+-      *length += IFACE_NUM;
+-    }
+      
+     if ((list[*i] = strdup(name)) == NULL)
+       return -1;
+@@ -60,30 +53,32 @@
+ }
+ 
+ 
+-static int getifaces(const int sockfd, char **list, int *length)
++static int getifaces(const int sockfd, char ***list, int *length)
+ {
+ #ifdef HAVE_IFNAMEINDEX
+       struct if_nameindex *ifstart, *ifs;
+       int i = 0;
++	  char **new;
+   
+-      if (!list || *length < 1) 
+-	return 0;
+-
+       ifs = ifstart = if_nameindex();
++
++	  new = (char **) malloc((sizeof(ifs)/sizeof(struct if_nameindex) + 1) * sizeof(char *));
+       while (ifs && ifs->if_name) {
+ 	/* just bail if there's a problem */
+-	if (addname(list, &i, length, ifs->if_name) < 0)
++	if (addname(new, &i, length, ifs->if_name) < 0)
+ 	  break;
+ 	ifs++;
+       }
+ 
+       if_freenameindex(ifstart);
++	  *list = new;
+       return i;
+ 
+ #else
+     struct ifconf	ifc;
+     struct ifreq	ifrs[ 64 ], *ifr, *nextifr;
+     int			ifrsize, i = 0;
++	char **new;
+ 
+     if (!list || *length < 1)
+       return 0;
+@@ -96,6 +91,7 @@
+ 	return 0;
+     }
+ 
++	new = (char **) malloc((ifc.ifc_len/sizeof(struct ifreq) + 1) * sizeof(char *));
+     for ( ifr = ifc.ifc_req; ifc.ifc_len >= sizeof( struct ifreq );
+ 	    ifc.ifc_len -= ifrsize, ifr = nextifr ) {
+ #ifdef BSD4_4
+@@ -108,9 +104,10 @@
+ 	nextifr = (struct ifreq *)((caddr_t)ifr + ifrsize );
+ 
+ 	/* just bail if there's a problem */
+-	if (addname(list, &i, length, ifr->ifr_name) < 0)
++	if (addname(new, &i, length, ifr->ifr_name) < 0)
+ 	  break;
+     }
++	*list = new;
+     return i;
+ #endif
+ }
+@@ -122,17 +119,14 @@
+  */
+ char **getifacelist()
+ {
+-  char **list = (char **) malloc(sizeof(char **)*(IFACE_NUM + 1));
++  char **list;
+   char **new;
+-  int length = IFACE_NUM, i, fd;
++  int  length, i, fd;
+ 
+-  if (!list)
+-    return NULL;
+-      
+   if ((fd = socket(PF_INET, SOCK_STREAM, 0)) < 0)
+     return NULL;
+ 
+-  if ((i = getifaces(fd, list, &length)) == 0) {
++  if ((i = getifaces(fd, &list, &length)) == 0) {
+     free(list);
+     close(fd);
+     return NULL;
+@@ -140,7 +134,7 @@
+   close(fd);
+ 
+   if ((i < length) && 
+-      (new = (char **) realloc(list, sizeof(char **)*(i + 1))))
++      (new = (char **) realloc(list, (i + 1) *  sizeof(char *))))
+     return new;
+ 
+   return list;