X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust%2Fgetenv.c;h=25740a50c3b7f5e699141d886695a9594a11730e;hb=HEAD;hp=f2222ddbf5ab13dcf4a780fe09473a825dc96f59;hpb=864a1eda22ed99266509ac76451c6f27f91aa17e;p=lttng-ust.git

diff --git a/liblttng-ust/getenv.c b/liblttng-ust/getenv.c
deleted file mode 100644
index f2222ddb..00000000
--- a/liblttng-ust/getenv.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- * Copyright (C) 2017 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdbool.h>
-#include <stddef.h>
-#include <sys/types.h>
-#include <usterr-signal-safe.h>
-#include <ust-helper.h>
-#include "getenv.h"
-
-enum lttng_env_secure {
-	LTTNG_ENV_SECURE,
-	LTTNG_ENV_NOT_SECURE,
-};
-
-struct lttng_env {
-	const char *key;
-	enum lttng_env_secure secure;
-	char *value;
-};
-
-static struct lttng_env lttng_env[] = {
-	/*
-	 * LTTNG_UST_DEBUG is used directly by snprintf, because it
-	 * needs to be already set for ERR() used in
-	 * lttng_ust_getenv_init().
-	 */
-	{ "LTTNG_UST_DEBUG", LTTNG_ENV_NOT_SECURE, NULL, },
-
-	/* Env. var. which can be used in setuid/setgid executables. */
-	{ "LTTNG_UST_WITHOUT_BADDR_STATEDUMP", LTTNG_ENV_NOT_SECURE, NULL, },
-	{ "LTTNG_UST_REGISTER_TIMEOUT", LTTNG_ENV_NOT_SECURE, NULL, },
-
-	/* Env. var. which are not fetched in setuid/setgid executables. */
-	{ "LTTNG_UST_CLOCK_PLUGIN", LTTNG_ENV_SECURE, NULL, },
-	{ "LTTNG_UST_GETCPU_PLUGIN", LTTNG_ENV_SECURE, NULL, },
-	{ "LTTNG_UST_ALLOW_BLOCKING", LTTNG_ENV_SECURE, NULL, },
-	{ "HOME", LTTNG_ENV_SECURE, NULL, },
-	{ "LTTNG_HOME", LTTNG_ENV_SECURE, NULL, },
-};
-
-static
-int lttng_is_setuid_setgid(void)
-{
-	return geteuid() != getuid() || getegid() != getgid();
-}
-
-char *lttng_getenv(const char *name)
-{
-	size_t i;
-	struct lttng_env *e;
-	bool found = false;
-
-	for (i = 0; i < LTTNG_ARRAY_SIZE(lttng_env); i++) {
-		e = &lttng_env[i];
-
-		if (strcmp(e->key, name) == 0) {
-			found = true;
-			break;
-		}
-	}
-	if (!found) {
-		return NULL;
-	}
-	return e->value;
-}
-
-void lttng_ust_getenv_init(void)
-{
-	size_t i;
-
-	for (i = 0; i < LTTNG_ARRAY_SIZE(lttng_env); i++) {
-		struct lttng_env *e = &lttng_env[i];
-
-		if (e->secure == LTTNG_ENV_SECURE && lttng_is_setuid_setgid()) {
-			ERR("Getting environment variable '%s' from setuid/setgid binary refused for security reasons.",
-				e->key);
-			continue;
-		}
-		e->value = getenv(e->key);
-	}
-}