replace too unportable function strcasestr()

dnstracer/dnstracer.patch

@@ -1,6 +1,7 @@
---- dnstracer.c	2003-02-14 11:04:03.000000000 +0100
-+++ dnstracer.c	2003-07-28 20:40:03.000000000 +0200
-@@ -603,7 +603,11 @@
+Index: dnstracer.c
+--- dnstracer.c.orig	2004-07-08 13:17:59.000000000 +0200
++++ dnstracer.c	2004-10-08 13:46:54.091634581 +0200
+@@ -642,7 +642,11 @@
  				    get_resource(rr->type,session,rr->data,0));
  }
  
@@ -12,7 +13,7 @@
      struct dnsrr *answerrr;
      struct dnsrr *authorityrr;
      struct dnsrr *additionalrr;
-@@ -719,6 +723,7 @@
+@@ -758,6 +762,7 @@
  	exit(1);
      }
  
@@ -20,7 +21,7 @@
      if (global_source_address!=NULL) {
  	struct addrinfo hints,*src_res;
  	int error;
-@@ -745,6 +750,7 @@
+@@ -784,6 +789,7 @@
  	    exit(1);
  	}
      }
@@ -28,7 +29,33 @@
  
      return s;
  }
-@@ -1084,7 +1090,11 @@
+@@ -1048,6 +1054,25 @@
+ 
+ /*****************************************************************************/
+ 
++static char *my_strcasestr(const char *s, const char *find)
++{
++    char c, sc;
++    size_t len;
++
++    if ((c = *find++) != 0) {
++        c = tolower((unsigned char)c);
++        len = strlen(find);
++        do {
++            do {
++                if ((sc = *s++) == 0)
++                    return (NULL);
++            } while ((char)tolower((unsigned char)sc) != c);
++        } while (strncasecmp(s, find, len) != 0);
++        s--;
++    }
++    return ((char *)s);
++}
++
+ //
+ // The core of this program
+ //
+@@ -1123,7 +1148,11 @@
      // don't have to worry about packets received from previous sessions.
      //
      session=(struct dnssession *)calloc(1,sizeof(struct dnssession));
@@ -40,7 +67,16 @@
      session->ipv6=ipv6;
      session->server=strdup(server_ip);
      session->host=strdup(host);
-@@ -1246,7 +1256,11 @@
+@@ -1233,7 +1262,7 @@
+ 	}
+ 
+ 	if (server_authfor!=NULL && strcmp(server_authfor,".")!=0 &&
+-	    (unsigned char *)strcasestr(rrauth->domainname_string,server_authfor)!=rrauth->domainname_string+strlen(rrauth->domainname_string)-strlen(server_authfor)) {
++	    (unsigned char *)my_strcasestr(rrauth->domainname_string,server_authfor)!=rrauth->domainname_string+strlen(rrauth->domainname_string)-strlen(server_authfor)) {
+ 	    if (!refersbackwards++)
+ 		printf("Refers backwards ");
+ 	    rrauth=rrauth->next;
+@@ -1300,7 +1329,11 @@
  		    struct hostent *h;
  		    char **addr_list=NULL;
  
@@ -52,7 +88,7 @@
  		    if (h==NULL) continue;
  
  		    //
-@@ -1480,8 +1494,12 @@
+@@ -1540,8 +1573,12 @@
  
      {
  	struct hostent *h;

dnstracer/dnstracer.spec

@@ -34,7 +34,7 @@ Class:        PLUS
 Group:        DNS
 License:      BSD
 Version:      1.8
-Release:      20040709
+Release:      20041008
 
 #   list of sources
 Source0:      http://www.mavetju.org/download/dnstracer-%{version}.tar.gz