package/busybox/patches/350-httpd_redir.patch

   1 --- a/include/usage.h
   2 +++ b/include/usage.h
   3 @@ -1727,6 +1727,7 @@
   4         IF_FEATURE_HTTPD_BASIC_AUTH(" [-r REALM]") \
   5         " [-h HOME]\n" \
   6         "or httpd -d/-e" IF_FEATURE_HTTPD_AUTH_MD5("/-m") " STRING"
   7 +       " [-R <path> [-H <host>]]"
   8  #define httpd_full_usage "\n\n" \
   9         "Listen for incoming HTTP requests\n" \
  10       "\nOptions:" \
  11 @@ -1744,6 +1745,8 @@
  12       "\n       -m STRING       MD5 crypt STRING") \
  13       "\n       -e STRING       HTML encode STRING" \
  14       "\n       -d STRING       URL decode STRING" \
  15 +     "\n       -R PATH         Redirect target path" \
  16 +     "\n       -H HOST         Redirect target host" \
  17
  18  #define hwclock_trivial_usage \
  19         IF_FEATURE_HWCLOCK_LONG_OPTIONS( \
  20 --- a/networking/httpd.c
  21 +++ b/networking/httpd.c
  22 @@ -250,6 +250,8 @@ struct globals {
  23
  24         const char *found_mime_type;
  25         const char *found_moved_temporarily;
  26 +       const char *redirect_path;
  27 +       const char *redirect_host;
  28         Htaccess_IP *ip_a_d;    /* config allow/deny lines */
  29
  30         IF_FEATURE_HTTPD_BASIC_AUTH(const char *g_realm;)
  31 @@ -296,6 +298,8 @@ struct globals {
  32  #define index_page        (G.index_page       )
  33  #define found_mime_type   (G.found_mime_type  )
  34  #define found_moved_temporarily (G.found_moved_temporarily)
  35 +#define redirect_path     (G.redirect_path    )
  36 +#define redirect_host     (G.redirect_host    )
  37  #define last_mod          (G.last_mod         )
  38  #define ip_a_d            (G.ip_a_d           )
  39  #define g_realm           (G.g_realm          )
  40 @@ -997,8 +1001,11 @@ static void send_headers(int responseNum
  41         }
  42  #endif
  43         if (responseNum == HTTP_MOVED_TEMPORARILY) {
  44 -               len += sprintf(iobuf + len, "Location: %s/%s%s\r\n",
  45 +               len += sprintf(iobuf + len, "Location: %s%s%s%s%s%s\r\n",
  46 +                               (redirect_host ? "http://" : ""),
  47 +                               (redirect_host ? redirect_host : ""),
  48                                 found_moved_temporarily,
  49 +                               (redirect_host ? "" : "/"),
  50                                 (g_query ? "?" : ""),
  51                                 (g_query ? g_query : ""));
  52         }
  53 @@ -1941,8 +1948,12 @@ static void handle_incoming_and_exit(con
  54         } while (*++tptr);
  55         *++urlp = '\0';       /* terminate after last character */
  56
  57 +       /* redirect active */
  58 +       if (redirect_path && (strncmp(urlcopy, redirect_path, strlen(redirect_path)) != 0))
  59 +               found_moved_temporarily = redirect_path;
  60 +
  61         /* If URL is a directory, add '/' */
  62 -       if (urlp[-1] != '/') {
  63 +       if (!redirect_path && (urlp[-1] != '/')) {
  64                 if (is_directory(urlcopy + 1, 1, NULL)) {
  65                         found_moved_temporarily = urlcopy;
  66                 }
  67 @@ -2283,7 +2294,9 @@ static void sighup_handler(int sig UNUSE
  68  }
  69
  70  enum {
  71 -       c_opt_config_file = 0,
  72 +       R_opt_redirect_path = 0,
  73 +       H_opt_redirect_host,
  74 +       c_opt_config_file,
  75         d_opt_decode_url,
  76         h_opt_home_httpd,
  77         IF_FEATURE_HTTPD_ENCODE_URL_STR(e_opt_encode_url,)
  78 @@ -2332,12 +2345,13 @@ int httpd_main(int argc UNUSED_PARAM, ch
  79         /* We do not "absolutize" path given by -h (home) opt.
  80          * If user gives relative path in -h,
  81          * $SCRIPT_FILENAME will not be set. */
  82 -       opt = getopt32(argv, "c:d:h:"
  83 +       opt = getopt32(argv, "R:H:c:d:h:"
  84                         IF_FEATURE_HTTPD_ENCODE_URL_STR("e:")
  85                         IF_FEATURE_HTTPD_BASIC_AUTH("r:")
  86                         IF_FEATURE_HTTPD_AUTH_MD5("m:")
  87                         IF_FEATURE_HTTPD_SETUID("u:")
  88                         "p:ifv",
  89 +                       &redirect_path, &redirect_host,
  90                         &opt_c_configFile, &url_for_decode, &home_httpd
  91                         IF_FEATURE_HTTPD_ENCODE_URL_STR(, &url_for_encode)
  92                         IF_FEATURE_HTTPD_BASIC_AUTH(, &g_realm)