Configuration: added ability to access object members with slashes.

Now URI encoding can be used to escape "/" in the request path:

  GET /config/listeners/unix:%2Fpath%2Fto%2Fsocket/

1 files changed, 56 insertions, 0 deletions

diff --git a/src/nxt_string.c b/src/nxt_string.c
index 7d8c1ce3..4d3b3954 100644
--- a/src/nxt_string.c
+++ b/src/nxt_string.c
@@ -451,3 +451,59 @@ nxt_strvers_match(u_char *version, u_char *prefix, size_t length)
 
     return 0;
 }
+
+
+u_char *
+nxt_decode_uri(u_char *dst, u_char *src, size_t length)
+{
+    u_char   *end, ch;
+    uint8_t  d0, d1;
+
+    static const uint8_t  hex[256]
+        nxt_aligned(32) =
+    {
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+         0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 16, 16, 16, 16, 16, 16,
+        16, 10, 11, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 10, 11, 12, 13, 14, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+        16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
+    };
+
+    nxt_prefetch(&hex['0']);
+
+    end = src + length;
+
+    while (src < end) {
+        ch = *src++;
+
+        if (ch == '%') {
+            if (nxt_slow_path(end - src < 2)) {
+                return NULL;
+            }
+
+            d0 = hex[*src++];
+            d1 = hex[*src++];
+
+            if (nxt_slow_path((d0 | d1) >= 16)) {
+                return NULL;
+            }
+
+            ch = (d0 << 4) + d1;
+        }
+
+        *dst++ = ch;
+    }
+
+    return dst;
+}