summaryrefslogtreecommitdiff
path: root/usr.bin/sudo/sudo_setenv.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr.bin/sudo/sudo_setenv.c')
-rw-r--r--usr.bin/sudo/sudo_setenv.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/usr.bin/sudo/sudo_setenv.c b/usr.bin/sudo/sudo_setenv.c
new file mode 100644
index 00000000000..df55ac23b6b
--- /dev/null
+++ b/usr.bin/sudo/sudo_setenv.c
@@ -0,0 +1,95 @@
+/*
+ * 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 */
+}