static void get_info_refs(char *arg)
{
const char *service_name = get_parameter("service");
struct strbuf buf = STRBUF_INIT;
hdr_nocache();
if (service_name) {
const char *argv[] = {NULL /* service name */,
"--stateless-rpc", "--advertise-refs",
".", NULL};
struct rpc_service *svc = select_service(service_name);
strbuf_addf(&buf, "application/x-git-%s-advertisement",
svc->name);
hdr_str(content_type, buf.buf);
end_headers();
packet_write(1, "# service=git-%s\n", svc->name);
packet_flush(1);
argv[0] = svc->name;
run_service(argv);
} else {
select_getanyfile();
for_each_namespaced_ref(show_text_ref, &buf);
send_strbuf("text/plain", &buf);
}
strbuf_release(&buf);
}
static void send_strbuf(const char *type, struct strbuf *buf)
{
hdr_int(content_length, buf->len);
hdr_str(content_type, type);
end_headers();
write_or_die(1, buf->buf, buf->len);
}
static void send_local_file(const char *the_type, const char *name)
{
const char *p = git_path("%s", name);
size_t buf_alloc = 8192;
char *buf = xmalloc(buf_alloc);
int fd;
struct stat sb;
fd = open(p, O_RDONLY);
if (fd < 0)
not_found("Cannot open '%s': %s", p, strerror(errno));
if (fstat(fd, &sb) < 0)
die_errno("Cannot stat '%s'", p);
hdr_int(content_length, sb.st_size);
hdr_str(content_type, the_type);
hdr_date(last_modified, sb.st_mtime);
end_headers();
for (;;) {
ssize_t n = xread(fd, buf, buf_alloc);
if (n < 0)
die_errno("Cannot read '%s'", p);
if (!n)
break;
write_or_die(1, buf, n);
}
close(fd);
free(buf);
}
static void hdr_cache_forever(void)
{
unsigned long now = time(NULL);
hdr_date("Date", now);
hdr_date("Expires", now + 31536000);
hdr_str("Cache-Control", "public, max-age=31536000");
}
static void hdr_cache_forever(struct strbuf *hdr)
{
unsigned long now = time(NULL);
hdr_date(hdr, "Date", now);
hdr_date(hdr, "Expires", now + 31536000);
hdr_str(hdr, "Cache-Control", "public, max-age=31536000");
}
static int bad_request(struct strbuf *hdr, const struct service_cmd *c)
{
const char *proto = getenv("SERVER_PROTOCOL");
if (proto && !strcmp(proto, "HTTP/1.1")) {
http_status(hdr, 405, "Method Not Allowed");
hdr_str(hdr, "Allow",
!strcmp(c->method, "GET") ? "GET, HEAD" : c->method);
} else
http_status(hdr, 400, "Bad Request");
hdr_nocache(hdr);
end_headers(hdr);
return 0;
}
static void service_rpc(char *service_name)
{
const char *argv[] = {NULL, "--stateless-rpc", ".", NULL};
struct rpc_service *svc = select_service(service_name);
struct strbuf buf = STRBUF_INIT;
strbuf_reset(&buf);
strbuf_addf(&buf, "application/x-git-%s-request", svc->name);
check_content_type(buf.buf);
hdr_nocache();
strbuf_reset(&buf);
strbuf_addf(&buf, "application/x-git-%s-result", svc->name);
hdr_str(content_type, buf.buf);
end_headers();
argv[0] = svc->name;
run_service(argv);
strbuf_release(&buf);
}
static void hdr_nocache(void)
{
hdr_str("Expires", "Fri, 01 Jan 1980 00:00:00 GMT");
hdr_str("Pragma", "no-cache");
hdr_str("Cache-Control", "no-cache, max-age=0, must-revalidate");
}
static void hdr_date(const char *name, unsigned long when)
{
const char *value = show_date(when, 0, DATE_RFC2822);
hdr_str(name, value);
}
int main(int argc, char **argv)
{
char *method = getenv("REQUEST_METHOD");
char *dir;
struct service_cmd *cmd = NULL;
char *cmd_arg = NULL;
int i;
git_setup_gettext();
git_extract_argv0_path(argv[0]);
set_die_routine(die_webcgi);
if (!method)
die("No REQUEST_METHOD from server");
if (!strcmp(method, "HEAD"))
method = "GET";
dir = getdir();
for (i = 0; i < ARRAY_SIZE(services); i++) {
struct service_cmd *c = &services[i];
regex_t re;
regmatch_t out[1];
if (regcomp(&re, c->pattern, REG_EXTENDED))
die("Bogus regex in service table: %s", c->pattern);
if (!regexec(&re, dir, 1, out, 0)) {
size_t n;
if (strcmp(method, c->method)) {
const char *proto = getenv("SERVER_PROTOCOL");
if (proto && !strcmp(proto, "HTTP/1.1")) {
http_status(405, "Method Not Allowed");
hdr_str("Allow", !strcmp(c->method, "GET") ?
"GET, HEAD" : c->method);
} else
http_status(400, "Bad Request");
hdr_nocache();
end_headers();
return 0;
}
cmd = c;
n = out[0].rm_eo - out[0].rm_so;
cmd_arg = xmemdupz(dir + out[0].rm_so + 1, n - 1);
dir[out[0].rm_so] = 0;
break;
}
regfree(&re);
}
if (!cmd)
not_found("Request not supported: '%s'", dir);
setup_path();
if (!enter_repo(dir, 0))
not_found("Not a git repository: '%s'", dir);
if (!getenv("GIT_HTTP_EXPORT_ALL") &&
access("git-daemon-export-ok", F_OK) )
not_found("Repository not exported: '%s'", dir);
git_config(http_config, NULL);
cmd->imp(cmd_arg);
return 0;
}
static void hdr_nocache(struct strbuf *hdr)
{
hdr_str(hdr, "Expires", "Fri, 01 Jan 1980 00:00:00 GMT");
hdr_str(hdr, "Pragma", "no-cache");
hdr_str(hdr, "Cache-Control", "no-cache, max-age=0, must-revalidate");
}
static void hdr_date(struct strbuf *hdr, const char *name, unsigned long when)
{
const char *value = show_date(when, 0, DATE_MODE(RFC2822));
hdr_str(hdr, name, value);
}
