/* * Copyright (c) 1996, 1998, 1999 Todd C. Miller <Todd.Miller@courtesan.com> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * 4. Products derived from this software may not be called "Sudo" nor * may "Sudo" appear in their names without specific prior written * permission from the author. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include <stdio.h> #ifdef STDC_HEADERS #include <stdlib.h> #endif /* STDC_HEADERS */ #if defined(HAVE_MALLOC_H) && !defined(STDC_HEADERS) #include <malloc.h> #endif /* HAVE_MALLOC_H && !STDC_HEADERS */ #ifdef HAVE_UNISTD_H #include <unistd.h> #endif /* HAVE_UNISTD_H */ #include <sys/types.h> #include <sys/param.h> #include "sudo.h" #ifndef STDC_HEADERS #ifdef HAVE_PUTENV extern int putenv __P((const char *)); #endif /* HAVE_PUTENV */ #ifdef HAVE_SETENV extern int setenv __P((char *, char *, int)); #endif /* HAVE_SETENV */ #endif /* !STDC_HEADERS */ #ifndef lint static const char rcsid[] = "$Sudo: sudo_setenv.c,v 1.40 1999/07/31 16:19:48 millert Exp $"; #endif /* lint */ /* * Add a string of the form "var=val" to the environment. If we are unable * to expand the current environent, return -1, else return 0. */ int sudo_setenv(var, val) char *var; char *val; { #ifdef HAVE_SETENV return(setenv(var, val, 1)); #else char *envstring, *tmp; envstring = tmp = (char *) malloc(strlen(var) + strlen(val) + 2); if (envstring == NULL) return(-1); while ((*tmp++ = *var++)) ; *(tmp-1) = '='; while ((*tmp++ = *val++)) ; return(putenv(envstring)); #endif /* HAVE_SETENV */ }