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Description: Do not pass null pointers to execvp().
Forwarded: https://stunnel.mirt.net/cgi-bin/bugzilla3/show_bug.cgi?id=2
Author: Peter Pentchev <roam@FreeBSD.org>
Last-Update: 2009-11-13
--- src/client.c.orig
+++ src/client.c
@@ -859,6 +859,14 @@
sigemptyset(&newmask);
sigprocmask(SIG_SETMASK, &newmask, NULL);
#endif
+ if (c->opt->execargs != NULL && c->opt->execargs[0] == NULL) {
+ free(c->opt->execargs);
+ c->opt->execargs = NULL;
+ }
+ if (c->opt->execargs == NULL) {
+ c->opt->execargs = calloc(2, sizeof(c->opt->execargs[0]));
+ c->opt->execargs[0] = c->opt->execname;
+ }
execvp(c->opt->execname, c->opt->execargs);
ioerror(c->opt->execname); /* execv failed */
_exit(1);
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