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From traw...@apache.org
Subject svn commit: r1510707 - in /httpd/httpd/trunk: CHANGES support/ab.c
Date Mon, 05 Aug 2013 20:24:39 GMT
Author: trawick
Date: Mon Aug  5 20:24:39 2013
New Revision: 1510707

URL: http://svn.apache.org/r1510707
Log:
ab: Fix potential buffer overflows when processing the T and X
    command-line options.

PR: 55360
Submitted by: Mike Rumph <mike.rumph oracle.com>
Reviewed by: trawick

Modified:
    httpd/httpd/trunk/CHANGES
    httpd/httpd/trunk/support/ab.c

Modified: httpd/httpd/trunk/CHANGES
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?rev=1510707&r1=1510706&r2=1510707&view=diff
==============================================================================
--- httpd/httpd/trunk/CHANGES [utf-8] (original)
+++ httpd/httpd/trunk/CHANGES [utf-8] Mon Aug  5 20:24:39 2013
@@ -1,6 +1,10 @@
                                                          -*- coding: utf-8 -*-
 Changes with Apache 2.5.0
 
+  *) ab: Fix potential buffer overflows when processing the T and X
+     command-line options.  PR 55360.
+     [Mike Rumph <mike.rumph oracle.com>]
+
   *) mod_unique_id: Use output of the PRNG rather than IP address and
      pid, avoiding sleep() call and possible DNS issues at startup,
      plus improving randomness for IPv6-only hosts.

Modified: httpd/httpd/trunk/support/ab.c
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/support/ab.c?rev=1510707&r1=1510706&r2=1510707&view=diff
==============================================================================
--- httpd/httpd/trunk/support/ab.c (original)
+++ httpd/httpd/trunk/support/ab.c Mon Aug  5 20:24:39 2013
@@ -282,22 +282,20 @@ char servername[1024];  /* name that ser
 char *hostname;         /* host name from URL */
 const char *host_field;       /* value of "Host:" header field */
 const char *path;             /* path name */
-char postfile[1024];    /* name of file containing post data */
 char *postdata;         /* *buffer containing data from postfile */
 apr_size_t postlen = 0; /* length of data to be POSTed */
-char content_type[1024];/* content type to put in POST header */
+char *content_type = NULL;     /* content type to put in POST header */
 const char *cookie,           /* optional cookie line */
            *auth,             /* optional (basic/uuencoded) auhentication */
            *hdrs;             /* optional arbitrary headers */
 apr_port_t port;        /* port number */
-char proxyhost[1024];   /* proxy host name */
+char *proxyhost = NULL; /* proxy host name */
 int proxyport = 0;      /* proxy port */
 const char *connecthost;
 const char *myhost;
 apr_port_t connectport;
 const char *gnuplot;          /* GNUplot file */
 const char *csvperc;          /* CSV Percentile file */
-char url[1024];
 const char *fullurl;
 const char *colonhost;
 int isproxy = 0;
@@ -1679,7 +1677,7 @@ static void test(void)
             keepalive ? "Connection: Keep-Alive\r\n" : "",
             cookie, auth,
             postlen,
-            (content_type[0]) ? content_type : "text/plain", hdrs);
+            (content_type != NULL) ? content_type : "text/plain", hdrs);
     }
     if (snprintf_res >= sizeof(_request)) {
         err("Request too long\n");
@@ -2073,7 +2071,7 @@ int main(int argc, const char * const ar
     tdstring = "bgcolor=white";
     cookie = "";
     auth = "";
-    proxyhost[0] = '\0';
+    proxyhost = "";
     hdrs = "";
 
     apr_app_initialize(&argc, &argv, NULL);
@@ -2178,7 +2176,7 @@ int main(int argc, const char * const ar
                                              * something */
                 break;
             case 'T':
-                strcpy(content_type, opt_arg);
+                content_type = apr_pstrdup(cntxt, opt_arg);
                 break;
             case 'C':
                 cookie = apr_pstrcat(cntxt, "Cookie: ", opt_arg, "\r\n", NULL);
@@ -2249,7 +2247,7 @@ int main(int argc, const char * const ar
                         p++;
                         proxyport = atoi(p);
                     }
-                    strcpy(proxyhost, opt_arg);
+                    proxyhost = apr_pstrdup(cntxt, opt_arg);
                     isproxy = 1;
                 }
                 break;



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