Merged revisions 236184 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r236184 | tilghman | 2009-12-22 20:55:24 -0600 (Tue, 22 Dec 2009) | 4 lines

  If EXEC only gets a single argument, don't crash when the second is used.
  (closes issue #16504)
   Reported by: bklang
........

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@236186 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/res/res_agi.c b/res/res_agi.c
index 0a468f443f8a799660f3792bd2aaba5bf4f91742..fad66ce64a3d8e253cedcbde58b7dfba5c2bb0d9 100644 (file)
--- a/res/res_agi.c
+++ b/res/res_agi.c
@@ -2295,7 +2295,7 @@ static int handle_exec(struct ast_channel *chan, AGI *agi, int argc, const char
                if (ast_compat_res_agi && !ast_strlen_zero(argv[2])) {
                        char *compat = alloca(strlen(argv[2]) * 2 + 1), *cptr;
                        const char *vptr;
-                       for (cptr = compat, vptr = argv[2]; *vptr; vptr++) {
+                       for (cptr = compat, vptr = (argc == 2) ? "" : argv[2]; *vptr; vptr++) {
                                if (*vptr == ',') {
                                        *cptr++ = '\\';
                                        *cptr++ = ',';
@@ -2308,7 +2308,7 @@ static int handle_exec(struct ast_channel *chan, AGI *agi, int argc, const char
                        *cptr = '\0';
                        res = pbx_exec(chan, app_to_exec, compat);
                } else {
-                       res = pbx_exec(chan, app_to_exec, argv[2]);
+                       res = pbx_exec(chan, app_to_exec, argc == 2 ? "" : argv[2]);
                }
        } else {
                ast_log(LOG_WARNING, "Could not find application (%s)\n", argv[1]);