New upstream version 1.0.1+dfsgupstream/1.0.1+dfsgupstream

1 files changed, 248 insertions, 0 deletions

diff --git a/src/UriSetHostCommon.c b/src/UriSetHostCommon.c
new file mode 100644
index 0000000..bd8095a
--- /dev/null
+++ b/src/UriSetHostCommon.c
@@ -0,0 +1,248 @@
+/*
+ * 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.
+ */
+
+/**
+ * @file UriSetHostCommon.c
+ * Holds code used by multiple SetHost* functions.
+ * NOTE: This source file includes itself twice.
+ */
+
+/* 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 "UriSetHostCommon.c"
+#    undef URI_PASS_ANSI
+#  endif
+#  ifdef URI_ENABLE_UNICODE
+#    define URI_PASS_UNICODE 1
+#    include "UriSetHostCommon.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 <uriparser/UriIp4.h>
+#    include "UriCommon.h"
+#    include "UriMemory.h"
+#    include "UriSetHostBase.h"
+#    include "UriSetHostCommon.h"
+#  endif
+
+#  include <assert.h>
+
+int URI_FUNC(InternalSetHostMm)(URI_TYPE(Uri) * uri, UriHostType hostType,
+                                const URI_CHAR * first, const URI_CHAR * afterLast,
+                                UriMemoryManager * memory) {
+    /* Superficial input validation (before making any changes) */
+    if ((uri == NULL) || ((first == NULL) != (afterLast == NULL))) {
+        return URI_ERROR_NULL;
+    }
+
+    URI_CHECK_MEMORY_MANAGER(memory); /* may return */
+
+    /* The RFC 3986 grammar reads:
+     *   authority = [ userinfo "@" ] host [ ":" port ]
+     * So no user info or port without a host. */
+    if (first == NULL) {
+        if (uri->userInfo.first != NULL) {
+            return URI_ERROR_SETHOST_USERINFO_SET;
+        } else if (uri->portText.first != NULL) {
+            return URI_ERROR_SETHOST_PORT_SET;
+        }
+    }
+
+    /* Syntax-check the new value */
+    if (first != NULL) {
+        switch (hostType) {
+        case URI_HOST_TYPE_IP4:
+            if (URI_FUNC(IsWellFormedHostIp4)(first, afterLast) == URI_FALSE) {
+                return URI_ERROR_SYNTAX;
+            }
+            break;
+        case URI_HOST_TYPE_IP6: {
+            const int res = URI_FUNC(IsWellFormedHostIp6Mm)(first, afterLast, memory);
+            assert((res == URI_SUCCESS) || (res == URI_ERROR_SYNTAX)
+                   || (res == URI_ERROR_MALLOC));
+            if (res != URI_SUCCESS) {
+                return res;
+            }
+        } break;
+        case URI_HOST_TYPE_IPFUTURE: {
+            const int res =
+                URI_FUNC(IsWellFormedHostIpFutureMm)(first, afterLast, memory);
+            assert((res == URI_SUCCESS) || (res == URI_ERROR_SYNTAX)
+                   || (res == URI_ERROR_MALLOC));
+            if (res != URI_SUCCESS) {
+                return res;
+            }
+        } break;
+        case URI_HOST_TYPE_REGNAME:
+            if (URI_FUNC(IsWellFormedHostRegName)(first, afterLast) == URI_FALSE) {
+                return URI_ERROR_SYNTAX;
+            }
+            break;
+        default:
+            assert(0 && "Unsupported URI host type");
+        }
+    }
+
+    /* Clear old value */
+    const UriBool hadHostBefore = URI_FUNC(HasHost)(uri);
+    if (uri->hostData.ipFuture.first != NULL) {
+        /* NOTE: .hostData.ipFuture holds the very same range pointers
+         *       as .hostText; we must not free memory twice. */
+        uri->hostText.first = NULL;
+        uri->hostText.afterLast = NULL;
+
+        if ((uri->owner == URI_TRUE)
+            && (uri->hostData.ipFuture.first != uri->hostData.ipFuture.afterLast)) {
+            memory->free(memory, (URI_CHAR *)uri->hostData.ipFuture.first);
+        }
+        uri->hostData.ipFuture.first = NULL;
+        uri->hostData.ipFuture.afterLast = NULL;
+    } else if (uri->hostText.first != NULL) {
+        if ((uri->owner == URI_TRUE)
+            && (uri->hostText.first != uri->hostText.afterLast)) {
+            memory->free(memory, (URI_CHAR *)uri->hostText.first);
+        }
+        uri->hostText.first = NULL;
+        uri->hostText.afterLast = NULL;
+    }
+
+    if (uri->hostData.ip4 != NULL) {
+        memory->free(memory, uri->hostData.ip4);
+        uri->hostData.ip4 = NULL;
+    } else if (uri->hostData.ip6 != NULL) {
+        memory->free(memory, uri->hostData.ip6);
+        uri->hostData.ip6 = NULL;
+    }
+
+    /* Already done setting? */
+    if (first == NULL) {
+        /* Yes, but disambiguate as needed */
+        if (hadHostBefore == URI_TRUE) {
+            if (uri->pathHead != NULL) {
+                uri->absolutePath = URI_TRUE;
+            }
+
+            const UriBool success =
+                URI_FUNC(EnsureThatPathIsNotMistakenForHost)(uri, memory);
+            return (success == URI_TRUE) ? URI_SUCCESS : URI_ERROR_MALLOC;
+        }
+
+        return URI_SUCCESS;
+    }
+
+    assert(first != NULL);
+
+    /* Ensure owned */
+    if (uri->owner == URI_FALSE) {
+        const int res = URI_FUNC(MakeOwnerMm)(uri, memory);
+        if (res != URI_SUCCESS) {
+            return res;
+        }
+    }
+
+    assert(uri->owner == URI_TRUE);
+
+    /* Apply new value; NOTE that .hostText is set for all four host types */
+    URI_TYPE(TextRange) sourceRange;
+    sourceRange.first = first;
+    sourceRange.afterLast = afterLast;
+
+    if (URI_FUNC(CopyRangeAsNeeded)(&uri->hostText, &sourceRange, memory) == URI_FALSE) {
+        return URI_ERROR_MALLOC;
+    }
+
+    uri->absolutePath = URI_FALSE; /* always URI_FALSE for URIs with host  */
+
+    /* Fill .hostData as needed */
+    switch (hostType) {
+    case URI_HOST_TYPE_IP4: {
+        uri->hostData.ip4 = memory->malloc(memory, sizeof(UriIp4));
+        if (uri->hostData.ip4 == NULL) {
+            return URI_ERROR_MALLOC;
+        }
+
+        const int res =
+            URI_FUNC(ParseIpFourAddress)(uri->hostData.ip4->data, first, afterLast);
+#  if defined(NDEBUG)
+        (void)res; /* i.e. mark as unused */
+#  else
+        assert(res == URI_SUCCESS); /* because checked for well-formedness earlier */
+#  endif
+    } break;
+    case URI_HOST_TYPE_IP6: {
+        uri->hostData.ip6 = memory->malloc(memory, sizeof(UriIp6));
+        if (uri->hostData.ip6 == NULL) {
+            return URI_ERROR_MALLOC;
+        }
+
+        const int res =
+            URI_FUNC(ParseIpSixAddressMm)(uri->hostData.ip6, first, afterLast, memory);
+        assert((res == URI_SUCCESS)
+               || (res == URI_ERROR_MALLOC)); /* because checked for
+                                                 well-formedness earlier */
+        if (res != URI_SUCCESS) {
+            return res;
+        }
+    } break;
+    case URI_HOST_TYPE_IPFUTURE:
+        uri->hostData.ipFuture.first = uri->hostText.first;
+        uri->hostData.ipFuture.afterLast = uri->hostText.afterLast;
+        break;
+    case URI_HOST_TYPE_REGNAME:
+        break;
+    default:
+        assert(0 && "Unsupported URI host type");
+    }
+
+    return URI_SUCCESS;
+}
+
+#endif