remove #ifdef HAVE_CGI
[project/uhttpd.git] / main.c
diff --git a/main.c b/main.c
index c0a6a82..160f932 100644 (file)
--- a/main.c
+++ b/main.c
@@ -17,6 +17,9 @@
  *  limitations under the License.
  */
 
+#define _BSD_SOURCE
+#define _GNU_SOURCE
+#define _XOPEN_SOURCE  700
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
@@ -29,7 +32,9 @@
 #include <libubox/usock.h>
 
 #include "uhttpd.h"
+#include "tls.h"
 
+char uh_buf[4096];
 
 static int run_server(void)
 {
@@ -79,20 +84,14 @@ static void uh_config_parse(void)
 
                        conf.error_handler = strdup(col1);
                }
-#ifdef HAVE_CGI
                else if ((line[0] == '*') && (strchr(line, ':') != NULL)) {
                        if (!(col1 = strchr(line, '*')) || (*col1++ = 0) ||
                                !(col2 = strchr(col1, ':')) || (*col2++ = 0) ||
                                !(eol = strchr(col2, '\n')) || (*eol++  = 0))
                                continue;
 
-                       if (!uh_interpreter_add(col1, col2))
-                               fprintf(stderr,
-                                               "Unable to add interpreter %s for extension %s: "
-                                               "Out of memory\n", col2, col1
-                               );
+                       uh_interpreter_add(col1, col2);
                }
-#endif
        }
 
        fclose(c);
@@ -141,13 +140,9 @@ static int usage(const char *name)
                "       -u string       URL prefix for HTTP/JSON handler\n"
                "       -U file         Override ubus socket path\n"
 #endif
-#ifdef HAVE_CGI
                "       -x string       URL prefix for CGI handler, default is '/cgi-bin'\n"
                "       -i .ext=path    Use interpreter at path for files with the given extension\n"
-#endif
-#if defined(HAVE_CGI) || defined(HAVE_LUA) || defined(HAVE_UBUS)
                "       -t seconds      CGI, Lua and UBUS script timeout in seconds, default is 60\n"
-#endif
                "       -T seconds      Network timeout in seconds, default is 30\n"
                "       -d string       URL decode given string\n"
                "       -r string       Specify basic auth realm\n"
@@ -161,9 +156,11 @@ static void init_defaults(void)
 {
        conf.script_timeout = 60;
        conf.network_timeout = 30;
-       conf.http_keepalive = 0; /* fixme */
+       conf.http_keepalive = 20;
        conf.max_requests = 3;
        conf.realm = "Protected Area";
+       conf.cgi_prefix = "/cgi-bin";
+       conf.cgi_path = "/sbin:/usr/sbin:/bin:/usr/bin";
 
        uh_index_add("index.html");
        uh_index_add("index.htm");
@@ -171,14 +168,34 @@ static void init_defaults(void)
        uh_index_add("default.htm");
 }
 
+static void fixup_prefix(char *str)
+{
+       int len;
+
+       if (!str || !str[0])
+               return;
+
+       len = strlen(str) - 1;
+
+       while (len > 0 && str[len] == '/')
+               len--;
+
+       str[len + 1] = 0;
+}
+
 int main(int argc, char **argv)
 {
+       const char *tls_key, *tls_crt;
        bool nofork = false;
        char *port;
        int opt, ch;
        int cur_fd;
        int bound = 0;
+       int n_tls = 0;
+
+       BUILD_BUG_ON(sizeof(uh_buf) < PATH_MAX);
 
+       uh_dispatch_add(&cgi_dispatch);
        init_defaults();
        signal(SIGPIPE, SIG_IGN);
 
@@ -187,6 +204,7 @@ int main(int argc, char **argv)
 
                switch(ch) {
                case 's':
+                       n_tls++;
                        tls = true;
                        /* fall through */
                case 'p':
@@ -194,11 +212,12 @@ int main(int argc, char **argv)
                        break;
 
                case 'h':
-                       if (!realpath(optarg, conf.docroot)) {
+                       if (!realpath(optarg, uh_buf)) {
                                fprintf(stderr, "Error: Invalid directory %s: %s\n",
                                                optarg, strerror(errno));
                                exit(1);
                        }
+                       conf.docroot = strdup(uh_buf);
                        break;
 
                case 'E':
@@ -235,6 +254,23 @@ int main(int argc, char **argv)
                        conf.max_requests = atoi(optarg);
                        break;
 
+               case 'x':
+                       fixup_prefix(optarg);
+                       conf.cgi_prefix = optarg;
+                       break;
+
+               case 'i':
+                       port = strchr(optarg, '=');
+                       if (optarg[0] != '.' || !port) {
+                               fprintf(stderr, "Error: Invalid interpreter: %s\n",
+                                               optarg);
+                               exit(1);
+                       }
+
+                       *port++ = 0;
+                       uh_interpreter_add(optarg, port);
+                       break;
+
                case 't':
                        conf.script_timeout = atoi(optarg);
                        break;
@@ -286,6 +322,13 @@ int main(int argc, char **argv)
                        conf.file = optarg;
                        break;
 
+               case 'C':
+                       tls_crt = optarg;
+                       break;
+
+               case 'K':
+                       tls_key = optarg;
+                       break;
                default:
                        return usage(argv[0]);
                }
@@ -298,6 +341,22 @@ int main(int argc, char **argv)
                return 1;
        }
 
+       if (n_tls) {
+               if (!tls_crt || !tls_key) {
+                       fprintf(stderr, "Please specify a certificate and "
+                                       "a key file to enable SSL support\n");
+                       return 1;
+               }
+
+#ifdef HAVE_TLS
+               if (uh_tls_init(tls_key, tls_crt))
+                   return 1;
+#else
+               fprintf(stderr, "Error: TLS support not compiled in.\n");
+               return 1;
+#endif
+       }
+
        /* fork (if not disabled) */
        if (!nofork) {
                switch (fork()) {