static const char *interpolated_path;
static int base_path_relaxed;
-/* Flag indicating client sent extra args. */
-static int saw_extended_args;
-
/* If defined, ~user notation is allowed and the string is inserted
* after ~user/. E.g. a request to git://host/~alice/frotz would
* go to /home/alice/pub_git/frotz with --user-path=pub_git.
static unsigned int timeout;
static unsigned int init_timeout;
-static struct strbuf hostname = STRBUF_INIT;
-static struct strbuf canon_hostname = STRBUF_INIT;
-static struct strbuf ip_address = STRBUF_INIT;
-static struct strbuf tcp_port = STRBUF_INIT;
-
-static int hostname_lookup_done;
+struct hostinfo {
+ struct strbuf hostname;
+ struct strbuf canon_hostname;
+ struct strbuf ip_address;
+ struct strbuf tcp_port;
+ unsigned int hostname_lookup_done:1;
+ unsigned int saw_extended_args:1;
+};
-static void lookup_hostname(void);
+static void lookup_hostname(struct hostinfo *hi);
-static const char *get_canon_hostname(void)
+static const char *get_canon_hostname(struct hostinfo *hi)
{
- lookup_hostname();
- return canon_hostname.buf;
+ lookup_hostname(hi);
+ return hi->canon_hostname.buf;
}
-static const char *get_ip_address(void)
+static const char *get_ip_address(struct hostinfo *hi)
{
- lookup_hostname();
- return ip_address.buf;
+ lookup_hostname(hi);
+ return hi->ip_address.buf;
}
static void logreport(int priority, const char *err, va_list params)
struct expand_path_context {
const char *directory;
+ struct hostinfo *hostinfo;
};
static size_t expand_path(struct strbuf *sb, const char *placeholder, void *ctx)
{
struct expand_path_context *context = ctx;
+ struct hostinfo *hi = context->hostinfo;
switch (placeholder[0]) {
case 'H':
- strbuf_addbuf(sb, &hostname);
+ strbuf_addbuf(sb, &hi->hostname);
return 1;
case 'C':
if (placeholder[1] == 'H') {
- strbuf_addstr(sb, get_canon_hostname());
+ strbuf_addstr(sb, get_canon_hostname(hi));
return 2;
}
break;
case 'I':
if (placeholder[1] == 'P') {
- strbuf_addstr(sb, get_ip_address());
+ strbuf_addstr(sb, get_ip_address(hi));
return 2;
}
break;
case 'P':
- strbuf_addbuf(sb, &tcp_port);
+ strbuf_addbuf(sb, &hi->tcp_port);
return 1;
case 'D':
strbuf_addstr(sb, context->directory);
return 0;
}
-static const char *path_ok(const char *directory)
+static const char *path_ok(const char *directory, struct hostinfo *hi)
{
static char rpath[PATH_MAX];
static char interp_path[PATH_MAX];
dir = rpath;
}
}
- else if (interpolated_path && saw_extended_args) {
+ else if (interpolated_path && hi->saw_extended_args) {
struct strbuf expanded_path = STRBUF_INIT;
struct expand_path_context context;
context.directory = directory;
+ context.hostinfo = hi;
if (*dir != '/') {
/* Allow only absolute */
static const char *access_hook;
-static int run_access_hook(struct daemon_service *service, const char *dir, const char *path)
+static int run_access_hook(struct daemon_service *service, const char *dir,
+ const char *path, struct hostinfo *hi)
{
struct child_process child = CHILD_PROCESS_INIT;
struct strbuf buf = STRBUF_INIT;
*arg++ = access_hook;
*arg++ = service->name;
*arg++ = path;
- *arg++ = hostname.buf;
- *arg++ = get_canon_hostname();
- *arg++ = get_ip_address();
- *arg++ = tcp_port.buf;
+ *arg++ = hi->hostname.buf;
+ *arg++ = get_canon_hostname(hi);
+ *arg++ = get_ip_address(hi);
+ *arg++ = hi->tcp_port.buf;
*arg = NULL;
child.use_shell = 1;
return -1;
}
-static int run_service(const char *dir, struct daemon_service *service)
+static int run_service(const char *dir, struct daemon_service *service,
+ struct hostinfo *hi)
{
const char *path;
int enabled = service->enabled;
return daemon_error(dir, "service not enabled");
}
- if (!(path = path_ok(dir)))
+ if (!(path = path_ok(dir, hi)))
return daemon_error(dir, "no such repository");
/*
* Optionally, a hook can choose to deny access to the
* repository depending on the phase of the moon.
*/
- if (access_hook && run_access_hook(service, dir, path))
+ if (access_hook && run_access_hook(service, dir, path, hi))
return -1;
/*
/*
* Read the host as supplied by the client connection.
*/
-static void parse_host_arg(char *extra_args, int buflen)
+static void parse_host_arg(struct hostinfo *hi, char *extra_args, int buflen)
{
char *val;
int vallen;
char *end = extra_args + buflen;
if (extra_args < end && *extra_args) {
- saw_extended_args = 1;
+ hi->saw_extended_args = 1;
if (strncasecmp("host=", extra_args, 5) == 0) {
val = extra_args + 5;
vallen = strlen(val) + 1;
char *host;
char *port;
parse_host_and_port(val, &host, &port);
- if (port) {
- strbuf_reset(&tcp_port);
- sanitize_client(&tcp_port, port);
- }
- strbuf_reset(&hostname);
- canonicalize_client(&hostname, host);
- hostname_lookup_done = 0;
+ if (port)
+ sanitize_client(&hi->tcp_port, port);
+ canonicalize_client(&hi->hostname, host);
+ hi->hostname_lookup_done = 0;
}
/* On to the next one */
/*
* Locate canonical hostname and its IP address.
*/
-static void lookup_hostname(void)
+static void lookup_hostname(struct hostinfo *hi)
{
- if (!hostname_lookup_done && hostname.len) {
+ if (!hi->hostname_lookup_done && hi->hostname.len) {
#ifndef NO_IPV6
struct addrinfo hints;
struct addrinfo *ai;
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_CANONNAME;
- gai = getaddrinfo(hostname.buf, NULL, &hints, &ai);
+ gai = getaddrinfo(hi->hostname.buf, NULL, &hints, &ai);
if (!gai) {
struct sockaddr_in *sin_addr = (void *)ai->ai_addr;
inet_ntop(AF_INET, &sin_addr->sin_addr,
addrbuf, sizeof(addrbuf));
- strbuf_reset(&ip_address);
- strbuf_addstr(&ip_address, addrbuf);
+ strbuf_addstr(&hi->ip_address, addrbuf);
- strbuf_reset(&canon_hostname);
if (ai->ai_canonname)
- sanitize_client(&canon_hostname,
+ sanitize_client(&hi->canon_hostname,
ai->ai_canonname);
else
- strbuf_addbuf(&canon_hostname, &ip_address);
+ strbuf_addbuf(&hi->canon_hostname,
+ &hi->ip_address);
freeaddrinfo(ai);
}
inet_ntop(hent->h_addrtype, &sa.sin_addr,
addrbuf, sizeof(addrbuf));
- strbuf_reset(&canon_hostname);
- sanitize_client(&canon_hostname, hent->h_name);
- strbuf_reset(&ip_address);
- strbuf_addstr(&ip_address, addrbuf);
+ sanitize_client(&hi->canon_hostname, hent->h_name);
+ strbuf_addstr(&hi->ip_address, addrbuf);
}
#endif
- hostname_lookup_done = 1;
+ hi->hostname_lookup_done = 1;
}
}
+static void hostinfo_init(struct hostinfo *hi)
+{
+ memset(hi, 0, sizeof(*hi));
+ strbuf_init(&hi->hostname, 0);
+ strbuf_init(&hi->canon_hostname, 0);
+ strbuf_init(&hi->ip_address, 0);
+ strbuf_init(&hi->tcp_port, 0);
+}
+
+static void hostinfo_clear(struct hostinfo *hi)
+{
+ strbuf_release(&hi->hostname);
+ strbuf_release(&hi->canon_hostname);
+ strbuf_release(&hi->ip_address);
+ strbuf_release(&hi->tcp_port);
+}
static int execute(void)
{
char *line = packet_buffer;
int pktlen, len, i;
char *addr = getenv("REMOTE_ADDR"), *port = getenv("REMOTE_PORT");
+ struct hostinfo hi;
+
+ hostinfo_init(&hi);
if (addr)
loginfo("Connection from %s:%s", addr, port);
pktlen--;
}
- strbuf_release(&hostname);
- strbuf_release(&canon_hostname);
- strbuf_release(&ip_address);
- strbuf_release(&tcp_port);
-
if (len != pktlen)
- parse_host_arg(line + len + 1, pktlen - len - 1);
+ parse_host_arg(&hi, line + len + 1, pktlen - len - 1);
for (i = 0; i < ARRAY_SIZE(daemon_service); i++) {
struct daemon_service *s = &(daemon_service[i]);
* Note: The directory here is probably context sensitive,
* and might depend on the actual service being performed.
*/
- return run_service(arg, s);
+ int rc = run_service(arg, s, &hi);
+ hostinfo_clear(&hi);
+ return rc;
}
}
+ hostinfo_clear(&hi);
logerror("Protocol error: '%s'", line);
return -1;
}
projects / thirdparty / git.git / blobdiff