New upstream version 1.0.1+dfsgupstream/1.0.1+dfsgupstream

1 files changed, 157 insertions, 0 deletions

diff --git a/src/UriSetHostIpFuture.c b/src/UriSetHostIpFuture.c
new file mode 100644
index 0000000..c5044c4
--- /dev/null
+++ b/src/UriSetHostIpFuture.c
@@ -0,0 +1,157 @@
+/*
+ * uriparser - RFC 3986 URI parsing library
+ *
+ * Copyright (C) 2025, Sebastian Pipping <sebastian@pipping.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source  and binary forms, with or without
+ * modification, are permitted provided  that the following conditions
+ * are met:
+ *
+ *     1. Redistributions  of  source  code   must  retain  the  above
+ *        copyright notice, this list  of conditions and the following
+ *        disclaimer.
+ *
+ *     2. Redistributions  in binary  form  must  reproduce the  above
+ *        copyright notice, this list  of conditions and the following
+ *        disclaimer  in  the  documentation  and/or  other  materials
+ *        provided with the distribution.
+ *
+ *     3. Neither the  name of the  copyright holder nor the  names of
+ *        its contributors may be used  to endorse or promote products
+ *        derived from  this software  without specific  prior written
+ *        permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND  ANY EXPRESS OR IMPLIED WARRANTIES,  INCLUDING, BUT NOT
+ * LIMITED TO,  THE IMPLIED WARRANTIES OF  MERCHANTABILITY AND FITNESS
+ * FOR  A  PARTICULAR  PURPOSE  ARE  DISCLAIMED.  IN  NO  EVENT  SHALL
+ * THE  COPYRIGHT HOLDER  OR CONTRIBUTORS  BE LIABLE  FOR ANY  DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA,  OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT  LIABILITY,  OR  TORT (INCLUDING  NEGLIGENCE  OR  OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* What encodings are enabled? */
+#include <uriparser/UriDefsConfig.h>
+#if (!defined(URI_PASS_ANSI) && !defined(URI_PASS_UNICODE))
+/* Include SELF twice */
+#  ifdef URI_ENABLE_ANSI
+#    define URI_PASS_ANSI 1
+#    include "UriSetHostIpFuture.c"
+#    undef URI_PASS_ANSI
+#  endif
+#  ifdef URI_ENABLE_UNICODE
+#    define URI_PASS_UNICODE 1
+#    include "UriSetHostIpFuture.c"
+#    undef URI_PASS_UNICODE
+#  endif
+#else
+#  ifdef URI_PASS_ANSI
+#    include <uriparser/UriDefsAnsi.h>
+#  else
+#    include <uriparser/UriDefsUnicode.h>
+#    include <wchar.h>
+#  endif
+
+#  ifndef URI_DOXYGEN
+#    include <uriparser/Uri.h>
+#    include "UriMemory.h"
+#    include "UriSetHostBase.h"
+#    include "UriSetHostCommon.h"
+#  endif
+
+#  include <assert.h>
+#  include <string.h> /* for memcpy */
+
+int URI_FUNC(IsWellFormedHostIpFutureMm)(const URI_CHAR * first,
+                                         const URI_CHAR * afterLast,
+                                         UriMemoryManager * memory) {
+    if ((first == NULL) || (afterLast == NULL)) {
+        return URI_ERROR_NULL;
+    }
+
+    URI_CHECK_MEMORY_MANAGER(memory); /* may return */
+
+    /* Are we dealing with potential IPv6 input? */
+    if (first < afterLast) {
+        switch (first[0]) {
+        case _UT('v'):
+        case _UT('V'):
+            break;
+        default:
+            return URI_ERROR_SYNTAX;
+        }
+    }
+
+    /* Are we dealing with IPvFuture input? */
+    /* Assemble "//[..]" input wrap for upcoming parse as a URI
+     * NOTE: If the input contains closing "]" on its own, the resulting
+     *       string will not be valid URI syntax, and hence there is
+     *       no risk of false positives from "bracket injection". */
+    const size_t inputLenChars = (afterLast - first);
+    const size_t MAX_SIZE_T = (size_t)-1;
+
+    /* Detect overflow */
+    if (MAX_SIZE_T - inputLenChars < 3 + 1 + 1) {
+        return URI_ERROR_MALLOC;
+    }
+
+    const size_t candidateLenChars = 3 + inputLenChars + 1;
+
+    /* Detect overflow */
+    if (MAX_SIZE_T / sizeof(URI_CHAR) < candidateLenChars + 1) {
+        return URI_ERROR_MALLOC;
+    }
+
+    URI_CHAR * const candidate =
+        memory->malloc(memory, (candidateLenChars + 1) * sizeof(URI_CHAR));
+
+    if (candidate == NULL) {
+        return URI_ERROR_MALLOC;
+    }
+
+    memcpy(candidate, _UT("//["), 3 * sizeof(URI_CHAR));
+    memcpy(candidate + 3, first, inputLenChars * sizeof(URI_CHAR));
+    memcpy(candidate + 3 + inputLenChars, _UT("]"),
+           2 * sizeof(URI_CHAR)); /* includes zero terminator */
+
+    /* Parse as an RFC 3986 URI */
+    URI_TYPE(Uri) uri;
+    const int res = URI_FUNC(ParseSingleUriExMm)(
+        &uri, candidate, candidate + candidateLenChars, NULL, memory);
+
+    assert((res == URI_SUCCESS) || (res == URI_ERROR_SYNTAX)
+           || (res == URI_ERROR_MALLOC));
+
+    if (res == URI_SUCCESS) {
+        assert(uri.hostData.ipFuture.first != NULL);
+        URI_FUNC(FreeUriMembersMm)(&uri, memory);
+    }
+
+    memory->free(memory, candidate);
+
+    return res;
+}
+
+int URI_FUNC(IsWellFormedHostIpFuture)(const URI_CHAR * first,
+                                       const URI_CHAR * afterLast) {
+    return URI_FUNC(IsWellFormedHostIpFutureMm)(first, afterLast, NULL);
+}
+
+int URI_FUNC(SetHostIpFutureMm)(URI_TYPE(Uri) * uri, const URI_CHAR * first,
+                                const URI_CHAR * afterLast, UriMemoryManager * memory) {
+    return URI_FUNC(InternalSetHostMm)(uri, URI_HOST_TYPE_IPFUTURE, first, afterLast,
+                                       memory);
+}
+
+int URI_FUNC(SetHostIpFuture)(URI_TYPE(Uri) * uri, const URI_CHAR * first,
+                              const URI_CHAR * afterLast) {
+    return URI_FUNC(SetHostIpFutureMm)(uri, first, afterLast, NULL);
+}
+
+#endif