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/*
* Copyright (C) 2014, 2015 Firejail Authors
*
* This file is part of firejail project
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "firejail.h"
typedef struct env_t {
struct env_t *next;
char *name;
char *value;
} Env;
static Env *envlist = NULL;
static void env_add(Env *env) {
env->next = envlist;
envlist = env;
}
// parse and store the environment setting
void env_store(const char *str) {
assert(str);
// some basic checking
if (*str == '\0')
goto errexit;
char *ptr = strchr(str, '=');
if (!ptr)
goto errexit;
ptr++;
if (*ptr == '\0')
goto errexit;
// build list entry
Env *env = malloc(sizeof(Env));
if (!env)
errExit("malloc");
memset(env, 0, sizeof(Env));
env->name = strdup(str);
if (env->name == NULL)
errExit("strdup");
char *ptr2 = strchr(env->name, '=');
assert(ptr2);
*ptr2 = '\0';
env->value = ptr2 + 1;
// add entry to the list
env_add(env);
return;
errexit:
fprintf(stderr, "Error: invalid --env setting\n");
exit(1);
}
// set env variables in the new sandbox process
void env_apply(void) {
Env *env = envlist;
while (env) {
setenv(env->name, env->value, 1);
env = env->next;
}
}
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