int main(int argc, char *argv[])
{
int ret = EXIT_SUCCESS;
struct credential_operation const *try_op = credential_helper_ops;
struct credential cred = CREDENTIAL_INIT;
if (!argv[1]) {
usage(argv[0]);
exit(EXIT_FAILURE);
}
g_set_application_name("Git Credential Helper");
/* lookup operation callback */
while (try_op->name && strcmp(argv[1], try_op->name))
try_op++;
/* unsupported operation given -- ignore silently */
if (!try_op->name || !try_op->op)
goto out;
ret = credential_read(&cred);
if (ret)
goto out;
/* perform credential operation */
ret = (*try_op->op)(&cred);
credential_write(&cred);
out:
credential_clear(&cred);
return ret;
}
static int run_credential_helper(struct credential *c,
const char *cmd,
int want_output)
{
struct child_process helper = CHILD_PROCESS_INIT;
const char *argv[] = { NULL, NULL };
FILE *fp;
argv[0] = cmd;
helper.argv = argv;
helper.use_shell = 1;
helper.in = -1;
if (want_output)
helper.out = -1;
else
helper.no_stdout = 1;
if (start_command(&helper) < 0)
return -1;
fp = xfdopen(helper.in, "w");
sigchain_push(SIGPIPE, SIG_IGN);
credential_write(c, fp);
fclose(fp);
sigchain_pop(SIGPIPE);
if (want_output) {
int r;
fp = xfdopen(helper.out, "r");
r = credential_read(c, fp);
fclose(fp);
if (r < 0) {
finish_command(&helper);
return -1;
}
}
if (finish_command(&helper))
return -1;
return 0;
}
static int run_credential_helper(struct credential *c,
const char *cmd,
int want_output)
{
struct child_process helper;
const char *argv[] = { NULL, NULL };
FILE *fp;
memset(&helper, 0, sizeof(helper));
argv[0] = cmd;
helper.argv = argv;
helper.use_shell = 1;
helper.in = -1;
if (want_output)
helper.out = -1;
else
helper.no_stdout = 1;
if (start_command(&helper) < 0)
return -1;
fp = xfdopen(helper.in, "w");
credential_write(c, fp);
fclose(fp);
if (want_output) {
int r;
fp = xfdopen(helper.out, "r");
r = credential_read(c, fp);
fclose(fp);
if (r < 0) {
finish_command(&helper);
return -1;
}
}
if (finish_command(&helper))
return -1;
return 0;
}
int cmd_credential(int argc, const char **argv, const char *prefix)
{
const char *op;
struct credential c = CREDENTIAL_INIT;
op = argv[1];
if (!op)
usage(usage_msg);
if (credential_read(&c, stdin) < 0)
die("unable to read credential from stdin");
if (!strcmp(op, "fill")) {
credential_fill(&c);
credential_write(&c, stdout);
} else if (!strcmp(op, "approve")) {
credential_approve(&c);
} else if (!strcmp(op, "reject")) {
credential_reject(&c);
} else {
usage(usage_msg);
}
return 0;
}
