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authorJo-Philipp Wich <jow@openwrt.org>2012-07-13 17:10:56 +0000
committerJo-Philipp Wich <jow@openwrt.org>2012-07-13 17:10:56 +0000
commit00f1b1d62abc566e394d8b4dbf1d7580ffe3321f (patch)
tree718e7ab3e5f025f07db5100413597133928a7c38 /package/uhttpd/src
parentabc3d9493b23166714af2a3e592ff0edbb297495 (diff)
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uhttpd: various changes
- remove unused variables - simply ignore command line args which belong to not enabled features - resolve peer address at accept() time, should solve (#11850) - remove floating point operations where possible SVN-Revision: 32704
Diffstat (limited to 'package/uhttpd/src')
-rw-r--r--package/uhttpd/src/uhttpd-cgi.c32
-rw-r--r--package/uhttpd/src/uhttpd-file.c13
-rw-r--r--package/uhttpd/src/uhttpd-lua.c35
-rw-r--r--package/uhttpd/src/uhttpd-utils.c30
-rw-r--r--package/uhttpd/src/uhttpd-utils.h4
-rw-r--r--package/uhttpd/src/uhttpd.c123
-rw-r--r--package/uhttpd/src/uhttpd.h28
7 files changed, 126 insertions, 139 deletions
diff --git a/package/uhttpd/src/uhttpd-cgi.c b/package/uhttpd/src/uhttpd-cgi.c
index b46ebf2bdd..69af90db45 100644
--- a/package/uhttpd/src/uhttpd-cgi.c
+++ b/package/uhttpd/src/uhttpd-cgi.c
@@ -201,9 +201,10 @@ static bool uh_cgi_socket_cb(struct client *cl)
{
/* write status */
ensure_out(uh_http_sendf(cl, NULL,
- "HTTP/%.1f %03d %s\r\n"
+ "%s %03d %s\r\n"
"Connection: close\r\n",
- req->version, res->statuscode, res->statusmsg));
+ http_versions[req->version],
+ res->statuscode, res->statusmsg));
/* add Content-Type if no Location or Content-Type */
if (!uh_cgi_header_lookup(res, "Location") &&
@@ -214,7 +215,7 @@ static bool uh_cgi_socket_cb(struct client *cl)
}
/* if request was HTTP 1.1 we'll respond chunked */
- if ((req->version > 1.0) &&
+ if ((req->version > UH_HTTP_VER_1_0) &&
!uh_cgi_header_lookup(res, "Transfer-Encoding"))
{
ensure_out(uh_http_send(cl, NULL,
@@ -260,10 +261,11 @@ static bool uh_cgi_socket_cb(struct client *cl)
*/
ensure_out(uh_http_sendf(cl, NULL,
- "HTTP/%.1f 200 OK\r\n"
+ "%s 200 OK\r\n"
"Content-Type: text/plain\r\n"
"%s\r\n",
- req->version, (req->version > 1.0)
+ http_versions[req->version],
+ (req->version > UH_HTTP_VER_1_0)
? "Transfer-Encoding: chunked\r\n" : ""
));
@@ -427,26 +429,10 @@ bool uh_cgi_request(struct client *cl, struct path_info *pi,
}
/* http version */
- if (req->version > 1.0)
- setenv("SERVER_PROTOCOL", "HTTP/1.1", 1);
- else
- setenv("SERVER_PROTOCOL", "HTTP/1.0", 1);
+ setenv("SERVER_PROTOCOL", http_versions[req->version], 1);
/* request method */
- switch (req->method)
- {
- case UH_HTTP_MSG_GET:
- setenv("REQUEST_METHOD", "GET", 1);
- break;
-
- case UH_HTTP_MSG_HEAD:
- setenv("REQUEST_METHOD", "HEAD", 1);
- break;
-
- case UH_HTTP_MSG_POST:
- setenv("REQUEST_METHOD", "POST", 1);
- break;
- }
+ setenv("REQUEST_METHOD", http_methods[req->method], 1);
/* request url */
setenv("REQUEST_URI", req->url, 1);
diff --git a/package/uhttpd/src/uhttpd-file.c b/package/uhttpd/src/uhttpd-file.c
index 2e5914a3c0..0bafc2b38c 100644
--- a/package/uhttpd/src/uhttpd-file.c
+++ b/package/uhttpd/src/uhttpd-file.c
@@ -113,16 +113,16 @@ static int uh_file_response_ok_hdrs(struct client *cl, struct stat *s)
static int uh_file_response_200(struct client *cl, struct stat *s)
{
- ensure_ret(uh_http_sendf(cl, NULL, "HTTP/%.1f 200 OK\r\n",
- cl->request.version));
+ ensure_ret(uh_http_sendf(cl, NULL, "%s 200 OK\r\n",
+ http_versions[cl->request.version]));
return uh_file_response_ok_hdrs(cl, s);
}
static int uh_file_response_304(struct client *cl, struct stat *s)
{
- ensure_ret(uh_http_sendf(cl, NULL, "HTTP/%.1f 304 Not Modified\r\n",
- cl->request.version));
+ ensure_ret(uh_http_sendf(cl, NULL, "%s 304 Not Modified\r\n",
+ http_versions[cl->request.version]));
return uh_file_response_ok_hdrs(cl, s);
}
@@ -130,8 +130,9 @@ static int uh_file_response_304(struct client *cl, struct stat *s)
static int uh_file_response_412(struct client *cl)
{
return uh_http_sendf(cl, NULL,
- "HTTP/%.1f 412 Precondition Failed\r\n"
- "Connection: close\r\n", cl->request.version);
+ "%s 412 Precondition Failed\r\n"
+ "Connection: close\r\n",
+ http_versions[cl->request.version]);
}
static int uh_file_if_match(struct client *cl, struct stat *s, int *ok)
diff --git a/package/uhttpd/src/uhttpd-lua.c b/package/uhttpd/src/uhttpd-lua.c
index 94626bb56b..e113937399 100644
--- a/package/uhttpd/src/uhttpd-lua.c
+++ b/package/uhttpd/src/uhttpd-lua.c
@@ -66,7 +66,7 @@ static int uh_lua_recv(lua_State *L)
return 1;
}
-static int uh_lua_send_common(lua_State *L, int chunked)
+static int uh_lua_send_common(lua_State *L, bool chunked)
{
size_t length;
@@ -112,12 +112,12 @@ out:
static int uh_lua_send(lua_State *L)
{
- return uh_lua_send_common(L, 0);
+ return uh_lua_send_common(L, false);
}
static int uh_lua_sendc(lua_State *L)
{
- return uh_lua_send_common(L, 1);
+ return uh_lua_send_common(L, true);
}
static int uh_lua_str2str(lua_State *L, int (*xlate_func) (char *, int, const char *, int))
@@ -414,21 +414,7 @@ bool uh_lua_request(struct client *cl, lua_State *L)
lua_newtable(L);
/* request method */
- switch(req->method)
- {
- case UH_HTTP_MSG_GET:
- lua_pushstring(L, "GET");
- break;
-
- case UH_HTTP_MSG_HEAD:
- lua_pushstring(L, "HEAD");
- break;
-
- case UH_HTTP_MSG_POST:
- lua_pushstring(L, "POST");
- break;
- }
-
+ lua_pushstring(L, http_methods[req->method]);
lua_setfield(L, -2, "REQUEST_METHOD");
/* request url */
@@ -462,14 +448,10 @@ bool uh_lua_request(struct client *cl, lua_State *L)
}
/* http protcol version */
- lua_pushnumber(L, floor(req->version * 10) / 10);
+ lua_pushnumber(L, 0.9 + (req->version / 10.0));
lua_setfield(L, -2, "HTTP_VERSION");
- if (req->version > 1.0)
- lua_pushstring(L, "HTTP/1.1");
- else
- lua_pushstring(L, "HTTP/1.0");
-
+ lua_pushstring(L, http_versions[req->version]);
lua_setfield(L, -2, "SERVER_PROTOCOL");
@@ -529,12 +511,13 @@ bool uh_lua_request(struct client *cl, lua_State *L)
if (! err_str)
err_str = "Unknown error";
- printf("HTTP/%.1f 500 Internal Server Error\r\n"
+ printf("%s 500 Internal Server Error\r\n"
"Connection: close\r\n"
"Content-Type: text/plain\r\n"
"Content-Length: %i\r\n\r\n"
"Lua raised a runtime error:\n %s\n",
- req->version, 31 + strlen(err_str), err_str);
+ http_versions[req->version],
+ 31 + strlen(err_str), err_str);
break;
diff --git a/package/uhttpd/src/uhttpd-utils.c b/package/uhttpd/src/uhttpd-utils.c
index 50b10e6050..c8d3bb40f4 100644
--- a/package/uhttpd/src/uhttpd-utils.c
+++ b/package/uhttpd/src/uhttpd-utils.c
@@ -334,7 +334,7 @@ int uh_http_sendf(struct client *cl, struct http_request *req,
len = vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
- if ((req != NULL) && (req->version > 1.0))
+ if ((req != NULL) && (req->version > UH_HTTP_VER_1_0))
ensure_ret(uh_http_sendc(cl, buffer, len));
else if (len > 0)
ensure_ret(uh_tcp_send(cl, buffer, len));
@@ -348,7 +348,7 @@ int uh_http_send(struct client *cl, struct http_request *req,
if (len < 0)
len = strlen(buf);
- if ((req != NULL) && (req->version > 1.0))
+ if ((req != NULL) && (req->version > UH_HTTP_VER_1_0))
ensure_ret(uh_http_sendc(cl, buf, len));
else if (len > 0)
ensure_ret(uh_tcp_send(cl, buf, len));
@@ -865,13 +865,13 @@ int uh_auth_check(struct client *cl, struct http_request *req,
/* 401 */
uh_http_sendf(cl, NULL,
- "HTTP/%.1f 401 Authorization Required\r\n"
- "WWW-Authenticate: Basic realm=\"%s\"\r\n"
- "Content-Type: text/plain\r\n"
- "Content-Length: 23\r\n\r\n"
- "Authorization Required\n",
- req->version, cl->server->conf->realm
- );
+ "%s 401 Authorization Required\r\n"
+ "WWW-Authenticate: Basic realm=\"%s\"\r\n"
+ "Content-Type: text/plain\r\n"
+ "Content-Length: 23\r\n\r\n"
+ "Authorization Required\n",
+ http_versions[req->version],
+ cl->server->conf->realm);
return 0;
}
@@ -922,7 +922,8 @@ struct listener * uh_listener_lookup(int sock)
}
-struct client * uh_client_add(int sock, struct listener *serv)
+struct client * uh_client_add(int sock, struct listener *serv,
+ struct sockaddr_in6 *peer)
{
struct client *new = NULL;
socklen_t sl;
@@ -930,6 +931,7 @@ struct client * uh_client_add(int sock, struct listener *serv)
if ((new = (struct client *)malloc(sizeof(struct client))) != NULL)
{
memset(new, 0, sizeof(struct client));
+ memcpy(&new->peeraddr, peer, sizeof(new->peeraddr));
new->fd.fd = sock;
new->server = serv;
@@ -937,14 +939,8 @@ struct client * uh_client_add(int sock, struct listener *serv)
new->rpipe.fd = -1;
new->wpipe.fd = -1;
- /* get remote endpoint addr */
- sl = sizeof(struct sockaddr_in6);
- memset(&(new->peeraddr), 0, sl);
- getpeername(sock, (struct sockaddr *) &(new->peeraddr), &sl);
-
/* get local endpoint addr */
sl = sizeof(struct sockaddr_in6);
- memset(&(new->servaddr), 0, sl);
getsockname(sock, (struct sockaddr *) &(new->servaddr), &sl);
new->next = uh_clients;
@@ -988,7 +984,7 @@ void uh_client_remove(struct client *cl)
for (cur = uh_clients; cur; prv = cur, cur = cur->next)
{
- if ((cur == cl) || (!cl && cur->dead))
+ if (cur == cl)
{
if (prv)
prv->next = cur->next;
diff --git a/package/uhttpd/src/uhttpd-utils.h b/package/uhttpd/src/uhttpd-utils.h
index 31047f5554..9de9191948 100644
--- a/package/uhttpd/src/uhttpd-utils.h
+++ b/package/uhttpd/src/uhttpd-utils.h
@@ -115,7 +115,9 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url);
struct listener * uh_listener_add(int sock, struct config *conf);
struct listener * uh_listener_lookup(int sock);
-struct client * uh_client_add(int sock, struct listener *serv);
+struct client * uh_client_add(int sock, struct listener *serv,
+ struct sockaddr_in6 *peer);
+
struct client * uh_client_lookup(int sock);
#define uh_client_error(cl, code, status, ...) do { \
diff --git a/package/uhttpd/src/uhttpd.c b/package/uhttpd/src/uhttpd.c
index 9e5a574263..1efcbf0f51 100644
--- a/package/uhttpd/src/uhttpd.c
+++ b/package/uhttpd/src/uhttpd.c
@@ -35,6 +35,9 @@
#endif
+const char * http_methods[] = { "GET", "POST", "HEAD", };
+const char * http_versions[] = { "HTTP/0.9", "HTTP/1.0", "HTTP/1.1", };
+
static int run = 1;
static void uh_sigterm(int sig)
@@ -123,10 +126,9 @@ static void uh_config_parse(struct config *conf)
static void uh_listener_cb(struct uloop_fd *u, unsigned int events);
-static int uh_socket_bind(fd_set *serv_fds, int *max_fd,
- const char *host, const char *port,
- struct addrinfo *hints, int do_tls,
- struct config *conf)
+static int uh_socket_bind(const char *host, const char *port,
+ struct addrinfo *hints, int do_tls,
+ struct config *conf)
{
int sock = -1;
int yes = 1;
@@ -213,11 +215,8 @@ static int uh_socket_bind(fd_set *serv_fds, int *max_fd,
l->tls = do_tls ? conf->tls : NULL;
#endif
- /* add socket to server fd set */
- FD_SET(sock, serv_fds);
+ /* add socket to uloop */
fd_cloexec(sock);
- *max_fd = max(*max_fd, sock);
-
uh_ufd_add(&l->fd, uh_listener_cb, ULOOP_READ);
bound++;
@@ -268,29 +267,18 @@ static struct http_request * uh_http_header_parse(struct client *cl,
/* check method */
- if (strcmp(method, "GET") && strcmp(method, "HEAD") && strcmp(method, "POST"))
+ if (method && !strcmp(method, "GET"))
+ req->method = UH_HTTP_MSG_GET;
+ else if (method && !strcmp(method, "POST"))
+ req->method = UH_HTTP_MSG_POST;
+ else if (method && !strcmp(method, "HEAD"))
+ req->method = UH_HTTP_MSG_HEAD;
+ else
{
/* invalid method */
uh_http_response(cl, 405, "Method Not Allowed");
return NULL;
}
- else
- {
- switch(method[0])
- {
- case 'G':
- req->method = UH_HTTP_MSG_GET;
- break;
-
- case 'H':
- req->method = UH_HTTP_MSG_HEAD;
- break;
-
- case 'P':
- req->method = UH_HTTP_MSG_POST;
- break;
- }
- }
/* check path */
if (!path || !strlen(path))
@@ -305,22 +293,21 @@ static struct http_request * uh_http_header_parse(struct client *cl,
}
/* check version */
- if ((version == NULL) || (strcmp(version, "HTTP/0.9") &&
- strcmp(version, "HTTP/1.0") && strcmp(version, "HTTP/1.1")))
+ if (version && !strcmp(version, "HTTP/0.9"))
+ req->version = UH_HTTP_VER_0_9;
+ else if (version && !strcmp(version, "HTTP/1.0"))
+ req->version = UH_HTTP_VER_1_0;
+ else if (version && !strcmp(version, "HTTP/1.1"))
+ req->version = UH_HTTP_VER_1_1;
+ else
{
/* unsupported version */
uh_http_response(cl, 400, "Bad Request");
return NULL;
}
- else
- {
- req->version = strtof(&version[5], NULL);
- }
- D("SRV: %s %s HTTP/%.1f\n",
- (req->method == UH_HTTP_MSG_POST) ? "POST" :
- (req->method == UH_HTTP_MSG_GET) ? "GET" : "HEAD",
- req->url, req->version);
+ D("SRV: %s %s %s\n",
+ http_methods[req->method], req->url, http_versions[req->version]);
/* process header fields */
for (i = (int)(headers - buffer); i < buflen; i++)
@@ -522,6 +509,9 @@ static void uh_listener_cb(struct uloop_fd *u, unsigned int events)
struct client *cl;
struct config *conf;
+ struct sockaddr_in6 sa;
+ socklen_t sl = sizeof(sa);
+
serv = container_of(u, struct listener, fd);
conf = serv->conf;
@@ -530,12 +520,12 @@ static void uh_listener_cb(struct uloop_fd *u, unsigned int events)
return;
/* handle new connections */
- if ((new_fd = accept(u->fd, NULL, 0)) != -1)
+ if ((new_fd = accept(u->fd, (struct sockaddr *)&sa, &sl)) != -1)
{
D("SRV: Server(%d) accept => Client(%d)\n", u->fd, new_fd);
/* add to global client list */
- if ((cl = uh_client_add(new_fd, serv)) != NULL)
+ if ((cl = uh_client_add(new_fd, serv, &sa)) != NULL)
{
/* add client socket to global fdset */
uh_ufd_add(&cl->fd, uh_socket_cb, ULOOP_READ);
@@ -785,16 +775,13 @@ static inline int uh_inittls(struct config *conf)
int main (int argc, char **argv)
{
- /* master file descriptor list */
- fd_set serv_fds;
-
/* working structs */
struct addrinfo hints;
struct sigaction sa;
struct config conf;
/* maximum file descriptor number */
- int cur_fd, max_fd = 0;
+ int cur_fd = 0;
#ifdef HAVE_TLS
int tls = 0;
@@ -806,16 +793,14 @@ int main (int argc, char **argv)
/* args */
int opt;
- char bind[128];
+ char addr[128];
char *port = NULL;
-#ifdef HAVE_LUA
+#if defined(HAVE_LUA) || defined(HAVE_TLS) || defined(HAVE_UBUS)
/* library handle */
void *lib;
#endif
- FD_ZERO(&serv_fds);
-
/* handle SIGPIPE, SIGINT, SIGTERM */
sa.sa_flags = 0;
sigemptyset(&sa.sa_mask);
@@ -835,7 +820,6 @@ int main (int argc, char **argv)
/* parse args */
memset(&conf, 0, sizeof(conf));
- memset(bind, 0, sizeof(bind));
uloop_init();
@@ -847,14 +831,16 @@ int main (int argc, char **argv)
/* [addr:]port */
case 'p':
case 's':
+ memset(addr, 0, sizeof(addr));
+
if ((port = strrchr(optarg, ':')) != NULL)
{
if ((optarg[0] == '[') && (port > optarg) && (port[-1] == ']'))
- memcpy(bind, optarg + 1,
- min(sizeof(bind), (int)(port - optarg) - 2));
+ memcpy(addr, optarg + 1,
+ min(sizeof(addr), (int)(port - optarg) - 2));
else
- memcpy(bind, optarg,
- min(sizeof(bind), (int)(port - optarg)));
+ memcpy(addr, optarg,
+ min(sizeof(addr), (int)(port - optarg)));
port++;
}
@@ -880,11 +866,8 @@ int main (int argc, char **argv)
#endif
/* bind sockets */
- bound += uh_socket_bind(&serv_fds, &max_fd,
- bind[0] ? bind : NULL,
- port, &hints, (opt == 's'), &conf);
-
- memset(bind, 0, sizeof(bind));
+ bound += uh_socket_bind(addr[0] ? addr : NULL, port, &hints,
+ (opt == 's'), &conf);
break;
#ifdef HAVE_TLS
@@ -919,6 +902,13 @@ int main (int argc, char **argv)
}
break;
+#else
+ case 'C':
+ case 'K':
+ fprintf(stderr,
+ "Notice: TLS support not compiled, ignoring -%c\n",
+ opt);
+ break;
#endif
/* docroot */
@@ -991,6 +981,13 @@ int main (int argc, char **argv)
exit(1);
}
break;
+#else
+ case 'x':
+ case 'i':
+ fprintf(stderr,
+ "Notice: CGI support not compiled, ignoring -%c\n",
+ opt);
+ break;
#endif
#ifdef HAVE_LUA
@@ -1003,6 +1000,13 @@ int main (int argc, char **argv)
case 'L':
conf.lua_handler = optarg;
break;
+#else
+ case 'l':
+ case 'L':
+ fprintf(stderr,
+ "Notice: Lua support not compiled, ignoring -%c\n",
+ opt);
+ break;
#endif
#ifdef HAVE_UBUS
@@ -1015,6 +1019,13 @@ int main (int argc, char **argv)
case 'U':
conf.ubus_socket = optarg;
break;
+#else
+ case 'u':
+ case 'U':
+ fprintf(stderr,
+ "Notice: UBUS support not compiled, ignoring -%c\n",
+ opt);
+ break;
#endif
#if defined(HAVE_CGI) || defined(HAVE_LUA)
diff --git a/package/uhttpd/src/uhttpd.h b/package/uhttpd/src/uhttpd.h
index fe86b01d40..f6982db323 100644
--- a/package/uhttpd/src/uhttpd.h
+++ b/package/uhttpd/src/uhttpd.h
@@ -63,15 +63,8 @@
#define UH_LIMIT_MSGHEAD 4096
#define UH_LIMIT_HEADERS 64
-
#define UH_LIMIT_CLIENTS 64
-#define UH_HTTP_MSG_GET 0
-#define UH_HTTP_MSG_HEAD 1
-#define UH_HTTP_MSG_POST 2
-
-#define UH_SOCK_CLIENT 0
-#define UH_SOCK_SERVER 1
struct listener;
struct client;
@@ -128,9 +121,25 @@ struct config {
#endif
};
+enum http_method {
+ UH_HTTP_MSG_GET,
+ UH_HTTP_MSG_POST,
+ UH_HTTP_MSG_HEAD,
+};
+
+extern const char *http_methods[];
+
+enum http_version {
+ UH_HTTP_VER_0_9,
+ UH_HTTP_VER_1_0,
+ UH_HTTP_VER_1_1,
+};
+
+extern const char *http_versions[];
+
struct http_request {
- int method;
- float version;
+ enum http_method method;
+ enum http_version version;
int redirect_status;
char *url;
char *headers[UH_LIMIT_HEADERS];
@@ -167,7 +176,6 @@ struct client {
bool (*cb)(struct client *);
void *priv;
bool dispatched;
- bool dead;
struct {
char buf[UH_LIMIT_MSGHEAD];
char *ptr;