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/*
* Copyright (c) 2022 Omar Polo <op@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "got_compat.h"
int parse(FILE *, const char *);
int nodebug;
static void __dead
usage(void)
{
fprintf(stderr, "usage: %s [-G] [-o out] [file ...]\n", getprogname());
exit(1);
}
int
main(int argc, char **argv)
{
FILE *fp = stdout;
const char *out = NULL;
int ch, i;
while ((ch = getopt(argc, argv, "Go:")) != -1) {
switch (ch) {
case 'G':
nodebug = 1;
break;
case 'o':
out = optarg;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (out && (fp = fopen(out, "w")) == NULL)
err(1, "can't open %s", out);
if (out && unveil(out, "wc") == -1)
err(1, "unveil %s", out);
if (unveil("/", "r") == -1)
err(1, "unveil /");
if (pledge(out ? "stdio rpath cpath" : "stdio rpath", NULL) == -1)
err(1, "pledge");
if (argc == 0) {
nodebug = 1;
if (parse(fp, "/dev/stdin") == -1)
goto err;
} else {
for (i = 0; i < argc; ++i)
if (parse(fp, argv[i]) == -1)
goto err;
}
if (ferror(fp))
goto err;
if (fclose(fp) == -1) {
fp = NULL;
goto err;
}
return (0);
err:
if (fp)
fclose(fp);
if (out && unlink(out) == -1)
err(1, "unlink %s", out);
return (1);
}
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