add a -y parameter for cgi-bin redirects

[oweals/uhttpd.git] / main.c

diff --git a/main.c b/main.c
index ed47486840347e82bf4c956f7319652a2b5d256f..ae54b69d468fae99cbb7ca6222c50658bdb13215 100644 (file)
--- a/main.c
+++ b/main.c
@@ -155,6 +155,7 @@ static int usage(const char *name)
                "       -X              Enable CORS HTTP headers on JSON-RPC api\n"
 #endif
                "       -x string       URL prefix for CGI handler, default is '/cgi-bin'\n"
+               "       -y alias[=path] URL alias handle\n"
                "       -i .ext=path    Use interpreter at path for files with the given extension\n"
                "       -t seconds      CGI, Lua and UBUS script timeout in seconds, default is 60\n"
                "       -T seconds      Network timeout in seconds, default is 30\n"
@@ -177,6 +178,7 @@ static void init_defaults_pre(void)
        conf.realm = "Protected Area";
        conf.cgi_prefix = "/cgi-bin";
        conf.cgi_path = "/sbin:/usr/sbin:/bin:/usr/bin";
+       INIT_LIST_HEAD(&conf.cgi_alias);
 }
 
 static void init_defaults_post(void)
@@ -188,9 +190,11 @@ static void init_defaults_post(void)
 
        if (conf.cgi_prefix) {
                char *str = malloc(strlen(conf.docroot) + strlen(conf.cgi_prefix) + 1);
+
                strcpy(str, conf.docroot);
                strcat(str, conf.cgi_prefix);
                conf.cgi_docroot_path = str;
+               conf.cgi_prefix_len = strlen(conf.cgi_prefix);
        };
 }
 
@@ -211,12 +215,12 @@ static void fixup_prefix(char *str)
 
 int main(int argc, char **argv)
 {
+       struct alias *alias;
        bool nofork = false;
        char *port;
        int opt, ch;
        int cur_fd;
        int bound = 0;
-
 #ifdef HAVE_TLS
        int n_tls = 0;
        const char *tls_key = NULL, *tls_crt = NULL;
@@ -228,7 +232,7 @@ int main(int argc, char **argv)
        init_defaults_pre();
        signal(SIGPIPE, SIG_IGN);
 
-       while ((ch = getopt(argc, argv, "afqSDRXC:K:E:I:p:s:h:c:l:L:d:r:m:n:N:x:i:t:k:T:A:u:U:")) != -1) {
+       while ((ch = getopt(argc, argv, "afqSDRXC:K:E:I:p:s:h:c:l:L:d:r:m:n:N:x:y:i:t:k:T:A:u:U:")) != -1) {
                switch(ch) {
 #ifdef HAVE_TLS
                case 'C':
@@ -312,6 +316,19 @@ int main(int argc, char **argv)
                        conf.cgi_prefix = optarg;
                        break;
 
+               case 'y':
+                       alias = calloc(1, sizeof(*alias));
+                       if (!alias) {
+                               fprintf(stderr, "Error: failed to allocate alias\n");
+                               exit(1);
+                       }
+                       alias->alias = strdup(optarg);
+                       alias->path = strchr(alias->alias, '=');
+                       if (alias->path)
+                               *alias->path++ = 0;
+                       list_add(&alias->list, &conf.cgi_alias);
+                       break;
+
                case 'i':
                        optarg = strdup(optarg);
                        port = strchr(optarg, '=');