#include "cache.h"
+#include "config.h"
#include "run-command.h"
#include "strbuf.h"
#include "gpg-interface.h"
void signature_check_clear(struct signature_check *sigc)
{
- free(sigc->payload);
- free(sigc->gpg_output);
- free(sigc->gpg_status);
- free(sigc->signer);
- free(sigc->key);
- sigc->payload = NULL;
- sigc->gpg_output = NULL;
- sigc->gpg_status = NULL;
- sigc->signer = NULL;
- sigc->key = NULL;
+ FREE_AND_NULL(sigc->payload);
+ FREE_AND_NULL(sigc->gpg_output);
+ FREE_AND_NULL(sigc->gpg_status);
+ FREE_AND_NULL(sigc->signer);
+ FREE_AND_NULL(sigc->key);
}
static struct {
{ 'B', "\n[GNUPG:] BADSIG " },
{ 'U', "\n[GNUPG:] TRUST_NEVER" },
{ 'U', "\n[GNUPG:] TRUST_UNDEFINED" },
+ { 'E', "\n[GNUPG:] ERRSIG "},
+ { 'X', "\n[GNUPG:] EXPSIG "},
+ { 'Y', "\n[GNUPG:] EXPKEYSIG "},
+ { 'R', "\n[GNUPG:] REVKEYSIG "},
};
void parse_gpg_output(struct signature_check *sigc)
/* The trust messages are not followed by key/signer information */
if (sigc->result != 'U') {
sigc->key = xmemdupz(found, 16);
- found += 17;
- next = strchrnul(found, '\n');
- sigc->signer = xmemdupz(found, next - found);
+ /* The ERRSIG message is not followed by signer information */
+ if (sigc-> result != 'E') {
+ found += 17;
+ next = strchrnul(found, '\n');
+ sigc->signer = xmemdupz(found, next - found);
+ }
}
}
}
fputs(output, stderr);
}
-/*
- * Look at GPG signed content (e.g. a signed tag object), whose
- * payload is followed by a detached signature on it. Return the
- * offset where the embedded detached signature begins, or the end of
- * the data when there is no such signature.
- */
-size_t parse_signature(const char *buf, unsigned long size)
+static int is_gpg_start(const char *line)
+{
+ return starts_with(line, PGP_SIGNATURE) ||
+ starts_with(line, PGP_MESSAGE);
+}
+
+size_t parse_signature(const char *buf, size_t size)
{
- char *eol;
size_t len = 0;
- while (len < size && !starts_with(buf + len, PGP_SIGNATURE) &&
- !starts_with(buf + len, PGP_MESSAGE)) {
+ size_t match = size;
+ while (len < size) {
+ const char *eol;
+
+ if (is_gpg_start(buf + len))
+ match = len;
+
eol = memchr(buf + len, '\n', size - len);
len += eol ? eol - (buf + len) + 1 : size - len;
}
- return len;
+ return match;
}
void set_signing_key(const char *key)
int git_gpg_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "user.signingkey")) {
+ if (!value)
+ return config_error_nonbool(var);
set_signing_key(value);
+ return 0;
}
+
if (!strcmp(var, "gpg.program")) {
if (!value)
return config_error_nonbool(var);
gpg_program = xstrdup(value);
+ return 0;
}
+
return 0;
}
return git_committer_info(IDENT_STRICT|IDENT_NO_DATE);
}
-/*
- * Create a detached signature for the contents of "buffer" and append
- * it after "signature"; "buffer" and "signature" can be the same
- * strbuf instance, which would cause the detached signature appended
- * at the end.
- */
int sign_buffer(struct strbuf *buffer, struct strbuf *signature, const char *signing_key)
{
struct child_process gpg = CHILD_PROCESS_INIT;
return 0;
}
-/*
- * Run "gpg" to see if the payload matches the detached signature.
- * gpg_output, when set, receives the diagnostic output from GPG.
- * gpg_status, when set, receives the status output from GPG.
- */
int verify_signed_buffer(const char *payload, size_t payload_size,
const char *signature, size_t signature_size,
struct strbuf *gpg_output, struct strbuf *gpg_status)
{
struct child_process gpg = CHILD_PROCESS_INIT;
- static struct tempfile temp;
- int fd, ret;
+ struct tempfile *temp;
+ int ret;
struct strbuf buf = STRBUF_INIT;
- fd = mks_tempfile_t(&temp, ".git_vtag_tmpXXXXXX");
- if (fd < 0)
+ temp = mks_tempfile_t(".git_vtag_tmpXXXXXX");
+ if (!temp)
return error_errno(_("could not create temporary file"));
- if (write_in_full(fd, signature, signature_size) < 0) {
+ if (write_in_full(temp->fd, signature, signature_size) < 0 ||
+ close_tempfile_gently(temp) < 0) {
error_errno(_("failed writing detached signature to '%s'"),
- temp.filename.buf);
+ temp->filename.buf);
delete_tempfile(&temp);
return -1;
}
- close(fd);
argv_array_pushl(&gpg.args,
gpg_program,
"--status-fd=1",
"--keyid-format=long",
- "--verify", temp.filename.buf, "-",
+ "--verify", temp->filename.buf, "-",
NULL);
if (!gpg_status)