diff options
| author | nectar <nectar@FreeBSD.org> | 2000-09-29 12:56:33 +0000 |
|---|---|---|
| committer | nectar <nectar@FreeBSD.org> | 2000-09-29 12:56:33 +0000 |
| commit | b6189aae3275e10c2872ce44741ccac24324fbc8 (patch) | |
| tree | 547e5ddf61d5f6b7717f30c5eca89d42958b4067 /lib/libc/net/hesiod.c | |
| parent | 3985f458893cb9beccd77acd4bc6cfb155f7d5ca (diff) | |
| download | FreeBSD-src-b6189aae3275e10c2872ce44741ccac24324fbc8.zip FreeBSD-src-b6189aae3275e10c2872ce44741ccac24324fbc8.tar.gz | |
Ignore HESIOD_CONFIG and HES_DOMAIN environmental variables for
set-user-ID and set-group-ID programs.
Suggested by: Danny Braniss <danny@cs.huji.ac.il>
Diffstat (limited to 'lib/libc/net/hesiod.c')
| -rw-r--r-- | lib/libc/net/hesiod.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/libc/net/hesiod.c b/lib/libc/net/hesiod.c index f36757b..220244c 100644 --- a/lib/libc/net/hesiod.c +++ b/lib/libc/net/hesiod.c @@ -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); |
