92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
/*
|
|
* Builtin "git verify-tag"
|
|
*
|
|
* Copyright (c) 2007 Carlos Rica <jasampler@gmail.com>
|
|
*
|
|
* Based on git-verify-tag.sh
|
|
*/
|
|
#include "cache.h"
|
|
#include "builtin.h"
|
|
#include "tag.h"
|
|
#include "run-command.h"
|
|
#include <signal.h>
|
|
#include "parse-options.h"
|
|
#include "gpg-interface.h"
|
|
|
|
static const char * const verify_tag_usage[] = {
|
|
N_("git verify-tag [-v|--verbose] <tag>..."),
|
|
NULL
|
|
};
|
|
|
|
static int run_gpg_verify(const char *buf, unsigned long size, int verbose)
|
|
{
|
|
int len;
|
|
|
|
len = parse_signature(buf, size);
|
|
if (verbose)
|
|
write_in_full(1, buf, len);
|
|
|
|
if (size == len)
|
|
return error("no signature found");
|
|
|
|
return verify_signed_buffer(buf, len, buf + len, size - len, NULL, NULL);
|
|
}
|
|
|
|
static int verify_tag(const char *name, int verbose)
|
|
{
|
|
enum object_type type;
|
|
unsigned char sha1[20];
|
|
char *buf;
|
|
unsigned long size;
|
|
int ret;
|
|
|
|
if (get_sha1(name, sha1))
|
|
return error("tag '%s' not found.", name);
|
|
|
|
type = sha1_object_info(sha1, NULL);
|
|
if (type != OBJ_TAG)
|
|
return error("%s: cannot verify a non-tag object of type %s.",
|
|
name, typename(type));
|
|
|
|
buf = read_sha1_file(sha1, &type, &size);
|
|
if (!buf)
|
|
return error("%s: unable to read file.", name);
|
|
|
|
ret = run_gpg_verify(buf, size, verbose);
|
|
|
|
free(buf);
|
|
return ret;
|
|
}
|
|
|
|
static int git_verify_tag_config(const char *var, const char *value, void *cb)
|
|
{
|
|
int status = git_gpg_config(var, value, cb);
|
|
if (status)
|
|
return status;
|
|
return git_default_config(var, value, cb);
|
|
}
|
|
|
|
int cmd_verify_tag(int argc, const char **argv, const char *prefix)
|
|
{
|
|
int i = 1, verbose = 0, had_error = 0;
|
|
const struct option verify_tag_options[] = {
|
|
OPT__VERBOSE(&verbose, N_("print tag contents")),
|
|
OPT_END()
|
|
};
|
|
|
|
git_config(git_verify_tag_config, NULL);
|
|
|
|
argc = parse_options(argc, argv, prefix, verify_tag_options,
|
|
verify_tag_usage, PARSE_OPT_KEEP_ARGV0);
|
|
if (argc <= i)
|
|
usage_with_options(verify_tag_usage, verify_tag_options);
|
|
|
|
/* sometimes the program was terminated because this signal
|
|
* was received in the process of writing the gpg input: */
|
|
signal(SIGPIPE, SIG_IGN);
|
|
while (i < argc)
|
|
if (verify_tag(argv[i++], verbose))
|
|
had_error = 1;
|
|
return had_error;
|
|
}
|