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Ignore HESIOD_CONFIG and HES_DOMAIN environmental variables for

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set-user-ID and set-group-ID programs.

Suggested by:	Danny Braniss <danny@cs.huji.ac.il>
This commit is contained in:
Jacques Vidrine 2000-09-29 12:56:33 +00:00
parent ce6da1a92a
commit b27eae53e9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=66451
1 changed files with 12 additions and 2 deletions
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14
lib/libc/net/hesiod.c
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@ -62,6 +62,7 @@ static char *rcsid = "$FreeBSD$";
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
struct hesiod_p {
char *lhs; /* normally ".ns" */
@ -87,11 +88,17 @@ hesiod_init(context)
{
struct hesiod_p *ctx;
const char *p, *configname;
int trust;
trust = geteuid() == getuid() && getegid() == getgid();
ctx = malloc(sizeof(struct hesiod_p));
if (ctx) {
*context = ctx;
configname = getenv("HESIOD_CONFIG");
if (trust)
configname = getenv("HESIOD_CONFIG");
else
configname = NULL;
if (!configname)
configname = _PATH_HESIOD_CONF;
if (read_config_file(ctx, configname) >= 0) {
@ -99,7 +106,10 @@ hesiod_init(context)
* The default rhs can be overridden by an
* environment variable.
*/
p = getenv("HES_DOMAIN");
if (trust)
p = getenv("HES_DOMAIN");
else
p = NULL;
if (p) {
if (ctx->rhs)
free(ctx->rhs);