package/busybox/patches/350-httpd_redir.patch

   1 --- a/networking/httpd.c
   2 +++ b/networking/httpd.c
   3 @@ -105,6 +105,7 @@
   4  //usage:       IF_FEATURE_HTTPD_BASIC_AUTH(" [-r REALM]")
   5  //usage:       " [-h HOME]\n"
   6  //usage:       "or httpd -d/-e" IF_FEATURE_HTTPD_AUTH_MD5("/-m") " STRING"
   7 +//usage:       " [-R <path> [-H <host>]]"
   8  //usage:#define httpd_full_usage "\n\n"
   9  //usage:       "Listen for incoming HTTP requests\n"
  10  //usage:     "\n       -i              Inetd mode"
  11 @@ -121,6 +122,8 @@
  12  //usage:     "\n       -m STRING       MD5 crypt STRING")
  13  //usage:     "\n       -e STRING       HTML encode STRING"
  14  //usage:     "\n       -d STRING       URL decode STRING"
  15 +//usage:     "\n       -R PATH         Redirect target path"
  16 +//usage:     "\n       -H HOST         Redirect target host"
  17
  18  #include "libbb.h"
  19  #if ENABLE_FEATURE_HTTPD_USE_SENDFILE
  20 @@ -272,6 +275,8 @@ struct globals {
  21
  22         const char *found_mime_type;
  23         const char *found_moved_temporarily;
  24 +       const char *redirect_path;
  25 +       const char *redirect_host;
  26         Htaccess_IP *ip_a_d;    /* config allow/deny lines */
  27
  28         IF_FEATURE_HTTPD_BASIC_AUTH(const char *g_realm;)
  29 @@ -322,6 +327,8 @@ struct globals {
  30  #define index_page        (G.index_page       )
  31  #define found_mime_type   (G.found_mime_type  )
  32  #define found_moved_temporarily (G.found_moved_temporarily)
  33 +#define redirect_path     (G.redirect_path    )
  34 +#define redirect_host     (G.redirect_host    )
  35  #define last_mod          (G.last_mod         )
  36  #define ip_a_d            (G.ip_a_d           )
  37  #define g_realm           (G.g_realm          )
  38 @@ -1028,8 +1035,11 @@ static void send_headers(int responseNum
  39         }
  40  #endif
  41         if (responseNum == HTTP_MOVED_TEMPORARILY) {
  42 -               len += sprintf(iobuf + len, "Location: %s/%s%s\r\n",
  43 +               len += sprintf(iobuf + len, "Location: %s%s%s%s%s%s\r\n",
  44 +                               (redirect_host ? "http://" : ""),
  45 +                               (redirect_host ? redirect_host : ""),
  46                                 found_moved_temporarily,
  47 +                               (redirect_host ? "" : "/"),
  48                                 (g_query ? "?" : ""),
  49                                 (g_query ? g_query : ""));
  50         }
  51 @@ -1997,8 +2007,12 @@ static void handle_incoming_and_exit(con
  52         } while (*++tptr);
  53         *++urlp = '\0';       /* terminate after last character */
  54
  55 +       /* redirect active */
  56 +       if (redirect_path && (strncmp(urlcopy, redirect_path, strlen(redirect_path)) != 0))
  57 +               found_moved_temporarily = redirect_path;
  58 +
  59         /* If URL is a directory, add '/' */
  60 -       if (urlp[-1] != '/') {
  61 +       if (!redirect_path && (urlp[-1] != '/')) {
  62                 if (is_directory(urlcopy + 1, 1, NULL)) {
  63                         found_moved_temporarily = urlcopy;
  64                 }
  65 @@ -2355,7 +2369,9 @@ static void sighup_handler(int sig UNUSE
  66  }
  67
  68  enum {
  69 -       c_opt_config_file = 0,
  70 +       R_opt_redirect_path = 0,
  71 +       H_opt_redirect_host,
  72 +       c_opt_config_file,
  73         d_opt_decode_url,
  74         h_opt_home_httpd,
  75         IF_FEATURE_HTTPD_ENCODE_URL_STR(e_opt_encode_url,)
  76 @@ -2404,12 +2420,13 @@ int httpd_main(int argc UNUSED_PARAM, ch
  77         /* We do not "absolutize" path given by -h (home) opt.
  78          * If user gives relative path in -h,
  79          * $SCRIPT_FILENAME will not be set. */
  80 -       opt = getopt32(argv, "c:d:h:"
  81 +       opt = getopt32(argv, "R:H:c:d:h:"
  82                         IF_FEATURE_HTTPD_ENCODE_URL_STR("e:")
  83                         IF_FEATURE_HTTPD_BASIC_AUTH("r:")
  84                         IF_FEATURE_HTTPD_AUTH_MD5("m:")
  85                         IF_FEATURE_HTTPD_SETUID("u:")
  86                         "p:ifv",
  87 +                       &redirect_path, &redirect_host,
  88                         &opt_c_configFile, &url_for_decode, &home_httpd
  89                         IF_FEATURE_HTTPD_ENCODE_URL_STR(, &url_for_encode)
  90                         IF_FEATURE_HTTPD_BASIC_AUTH(, &g_realm)