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/*
* Copyright (C) 2014-2023 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 "fbuilder.h"
int arg_debug = 0;
int arg_appimage = 0;
static const char *const usage_str =
"Firejail profile builder\n"
"Usage: firejail [--debug] --build[=profile-file] program-and-arguments\n";
static void usage(void) {
puts(usage_str);
}
int main(int argc, char **argv) {
#if 0
{
system("cat /proc/self/status");
int i;
for (i = 0; i < argc; i++)
printf("*%s* ", argv[i]);
printf("\n");
}
#endif
int i;
int prog_index = 0;
FILE *fp = stdout;
char *prof_file = NULL;
// parse arguments and extract program index
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0 || strcmp(argv[i], "-?") ==0) {
usage();
return 0;
}
else if (strcmp(argv[i], "--debug") == 0)
arg_debug = 1;
else if (strcmp(argv[i], "--appimage") == 0)
arg_appimage = 1;
else if (strcmp(argv[i], "--build") == 0)
; // do nothing, this is passed down from firejail
else if (strncmp(argv[i], "--build=", 8) == 0) {
// this option is only supported for non-root users
if (getuid() == 0) {
fprintf(stderr, "Error fbuild: --build=profile-name is not supported for root user.\n");
exit(1);
}
// don't run if the file exists
if (access(argv[i] + 8, F_OK) == 0) {
fprintf(stderr, "Error: the profile file already exists. Please use a different file name.\n");
exit(1);
}
// check file access
fp = fopen(argv[i] + 8, "w");
if (!fp) {
fprintf(stderr, "Error: cannot open profile file.\n");
exit(1);
}
prof_file = argv[i] + 8;
}
else {
if (*argv[i] == '-') {
fprintf(stderr, "Error: invalid program\n");
usage();
exit(1);
}
prog_index = i;
break;
}
}
if (prog_index == 0) {
fprintf(stderr, "Error : program and arguments required\n");
usage();
if (prof_file) {
fclose(fp);
int rv = unlink(prof_file);
(void) rv;
}
exit(1);
}
build_profile(argc, argv, prog_index, fp);
if (prof_file)
fclose(fp);
return 0;
}
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