honeyd/setenv.c

Wed, 08 Feb 2012 20:07:00 +0200

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 08 Feb 2012 20:07:00 +0200
changeset 588
300d43423c2e
permissions
-rw-r--r--

Update version, adapt patch, correct PID writing, correct build on newer
FreeBSD releases, and most importantly introduce new patch to try to
avoid segfault caused by multiple network interfaces with the same (or
no) address. This is common when configuring bridges and tunnels.

michael@574 1
michael@574 2 #ifndef HAVE_SETENV
michael@574 3 #ifdef HAVE_CONFIG_H
michael@574 4 #include "config.h"
michael@574 5 #endif
michael@574 6 #include <sys/types.h>
michael@574 7 #include <stdlib.h>
michael@574 8 #include <string.h>
michael@574 9
michael@574 10 int setenv(const char *kszName, const char *kszValue, int nOverwrite)
michael@574 11 {
michael@574 12 char *szPair = NULL;
michael@574 13
michael@574 14 if (nOverwrite == 0 && getenv(kszName) != 0)
michael@574 15 return 0;
michael@574 16 szPair = malloc(strlen(kszName) + 1 + strlen(kszValue) + 1);
michael@574 17 if (szPair == NULL)
michael@574 18 return -1;
michael@574 19 strcpy(szPair, kszName);
michael@574 20 strcat(szPair, "=");
michael@574 21 strcat(szPair, kszValue);
michael@574 22 putenv(szPair);
michael@574 23 return 0;
michael@574 24 }
michael@574 25 #endif /* !HAVE_SETENV */
michael@574 26

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