[package] uhttpd: allow lowercase http header fields (#8513)

[openwrt.git] / package / uhttpd / src / uhttpd-utils.c

diff --git a/package/uhttpd/src/uhttpd-utils.c b/package/uhttpd/src/uhttpd-utils.c
index 3821eb5..c7bc867 100644 (file)
--- a/package/uhttpd/src/uhttpd-utils.c
+++ b/package/uhttpd/src/uhttpd-utils.c
@@ -474,6 +474,7 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
        char *docroot = cl->server->conf->docroot;
        char *pathptr = NULL;
 
        char *docroot = cl->server->conf->docroot;
        char *pathptr = NULL;
 

+       int slash = 0;

        int no_sym = cl->server->conf->no_symlinks;
        int i = 0;
        struct stat s;
        int no_sym = cl->server->conf->no_symlinks;
        int i = 0;
        struct stat s;


@@ -516,7 +517,7 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
        }
 
        /* create canon path */
        }
 
        /* create canon path */

-       for( i = strlen(buffer); i >= 0; i-- )
+       for( i = strlen(buffer), slash = (buffer[max(0, i-1)] == '/'); i >= 0; i-- )

        {
                if( (buffer[i] == 0) || (buffer[i] == '/') )
                {
        {
                if( (buffer[i] == 0) || (buffer[i] == '/') )
                {


@@ -567,7 +568,23 @@ struct path_info * uh_path_lookup(struct client *cl, const char *url)
                        memcpy(buffer, path_phys, sizeof(buffer));
                        pathptr = &buffer[strlen(buffer)];
 
                        memcpy(buffer, path_phys, sizeof(buffer));
                        pathptr = &buffer[strlen(buffer)];
 

-                       if( cl->server->conf->index_file )
+                       /* if requested url resolves to a directory and a trailing slash
+                          is missing in the request url, redirect the client to the same
+                          url with trailing slash appended */
+                       if( !slash )
+                       {
+                               uh_http_sendf(cl, NULL,
+                                       "HTTP/1.1 302 Found\r\n"
+                                       "Location: %s%s%s\r\n"
+                                       "Connection: close\r\n\r\n",
+                                               &path_phys[strlen(docroot)],
+                                               p.query ? "?" : "",
+                                               p.query ? p.query : ""
+                               );
+
+                               p.redirected = 1;
+                       }
+                       else if( cl->server->conf->index_file )

                        {
                                strncat(buffer, cl->server->conf->index_file, sizeof(buffer));
 
                        {
                                strncat(buffer, cl->server->conf->index_file, sizeof(buffer));
 


@@ -610,7 +627,10 @@ struct auth_realm * uh_auth_add(char *path, char *user, char *pass)
 {
        struct auth_realm *new = NULL;
        struct passwd *pwd;
 {
        struct auth_realm *new = NULL;
        struct passwd *pwd;

+
+#ifdef HAVE_SHADOW

        struct spwd *spwd;
        struct spwd *spwd;

+#endif

 
        if((new = (struct auth_realm *)malloc(sizeof(struct auth_realm))) != NULL)
        {
 
        if((new = (struct auth_realm *)malloc(sizeof(struct auth_realm))) != NULL)
        {


@@ -625,6 +645,7 @@ struct auth_realm * uh_auth_add(char *path, char *user, char *pass)
                /* given password refers to a passwd entry */
                if( (strlen(pass) > 3) && !strncmp(pass, "$p$", 3) )
                {
                /* given password refers to a passwd entry */
                if( (strlen(pass) > 3) && !strncmp(pass, "$p$", 3) )
                {

+#ifdef HAVE_SHADOW

                        /* try to resolve shadow entry */
                        if( ((spwd = getspnam(&pass[3])) != NULL) && spwd->sp_pwdp )
                        {
                        /* try to resolve shadow entry */
                        if( ((spwd = getspnam(&pass[3])) != NULL) && spwd->sp_pwdp )
                        {


@@ -632,8 +653,11 @@ struct auth_realm * uh_auth_add(char *path, char *user, char *pass)
                                        min(strlen(spwd->sp_pwdp), sizeof(new->pass) - 1));
                        }
 
                                        min(strlen(spwd->sp_pwdp), sizeof(new->pass) - 1));
                        }
 

+                       else
+#endif
+

                        /* try to resolve passwd entry */
                        /* try to resolve passwd entry */

-                       else if( ((pwd = getpwnam(&pass[3])) != NULL) && pwd->pw_passwd &&
+                       if( ((pwd = getpwnam(&pass[3])) != NULL) && pwd->pw_passwd &&

                                (pwd->pw_passwd[0] != '!') && (pwd->pw_passwd[0] != 0)
                        ) {
                                memcpy(new->pass, pwd->pw_passwd,
                                (pwd->pw_passwd[0] != '!') && (pwd->pw_passwd[0] != 0)
                        ) {
                                memcpy(new->pass, pwd->pw_passwd,