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Diffstat (limited to 'src/UriCopy.c')
| -rw-r--r-- | src/UriCopy.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/src/UriCopy.c b/src/UriCopy.c new file mode 100644 index 0000000..3bc6b0d --- /dev/null +++ b/src/UriCopy.c @@ -0,0 +1,242 @@ +/* + * uriparser - RFC 3986 URI parsing library + * + * Copyright (C) 2007, Weijia Song <songweijia@gmail.com> + * Copyright (C) 2007, Sebastian Pipping <sebastian@pipping.org> + * Copyright (C) 2025, Máté Kocsis <kocsismate@php.net> + * 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 UriCopy.c + * Holds the RFC 3986 %URI normalization implementation. + * 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 "UriCopy.c" +# undef URI_PASS_ANSI +# endif +# ifdef URI_ENABLE_UNICODE +# define URI_PASS_UNICODE 1 +# include "UriCopy.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 "UriCommon.h" +# include "UriMemory.h" +# include "UriNormalize.h" +# include "UriCopy.h" +# endif + +static void URI_FUNC(PreventLeakageAfterCopy)(URI_TYPE(Uri) * uri, + unsigned int revertMask, + UriMemoryManager * memory) { + URI_FUNC(PreventLeakage)(uri, revertMask, memory); + + 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; + } + + if (revertMask & URI_NORMALIZE_PORT) { + if (uri->portText.first != uri->portText.afterLast) { + memory->free(memory, (URI_CHAR *)uri->portText.first); + } + uri->portText.first = NULL; + uri->portText.afterLast = NULL; + } +} + +int URI_FUNC(CopyUriMm)(URI_TYPE(Uri) * destUri, const URI_TYPE(Uri) * sourceUri, + UriMemoryManager * memory) { + unsigned int revertMask = URI_NORMALIZED; + + if (sourceUri == NULL || destUri == NULL) { + return URI_ERROR_NULL; + } + + URI_CHECK_MEMORY_MANAGER(memory); /* may return */ + + URI_FUNC(ResetUri)(destUri); + + if (URI_FUNC(CopyRangeAsNeeded)(&destUri->scheme, &sourceUri->scheme, memory) + == URI_FALSE) { + return URI_ERROR_MALLOC; + } + + revertMask |= URI_NORMALIZE_SCHEME; + + if (URI_FUNC(CopyRangeAsNeeded)(&destUri->userInfo, &sourceUri->userInfo, memory) + == URI_FALSE) { + URI_FUNC(PreventLeakageAfterCopy)(destUri, revertMask, memory); + return URI_ERROR_MALLOC; + } + + revertMask |= URI_NORMALIZE_USER_INFO; + + if (URI_FUNC(CopyRangeAsNeeded)(&destUri->hostText, &sourceUri->hostText, memory) + == URI_FALSE) { + URI_FUNC(PreventLeakageAfterCopy)(destUri, revertMask, memory); + return URI_ERROR_MALLOC; + } + + revertMask |= URI_NORMALIZE_HOST; + + if (sourceUri->hostData.ip4 == NULL) { + destUri->hostData.ip4 = NULL; + } else { + destUri->hostData.ip4 = memory->malloc(memory, sizeof(UriIp4)); + if (destUri->hostData.ip4 == NULL) { + URI_FUNC(PreventLeakageAfterCopy)(destUri, revertMask, memory); + return URI_ERROR_MALLOC; + } + *(destUri->hostData.ip4) = *(sourceUri->hostData.ip4); + } + + if (sourceUri->hostData.ip6 == NULL) { + destUri->hostData.ip6 = NULL; + } else { + destUri->hostData.ip6 = memory->malloc(memory, sizeof(UriIp6)); + if (destUri->hostData.ip6 == NULL) { + URI_FUNC(PreventLeakageAfterCopy)(destUri, revertMask, memory); + return URI_ERROR_MALLOC; + } + *(destUri->hostData.ip6) = *(sourceUri->hostData.ip6); + } + + if (sourceUri->hostData.ipFuture.first != NULL) { + destUri->hostData.ipFuture.first = destUri->hostText.first; + destUri->hostData.ipFuture.afterLast = destUri->hostText.afterLast; + } else if (URI_FUNC(CopyRangeAsNeeded)(&destUri->hostData.ipFuture, + &sourceUri->hostData.ipFuture, memory) + == URI_FALSE) { + URI_FUNC(PreventLeakageAfterCopy)(destUri, revertMask, memory); + return URI_ERROR_MALLOC; + } + + if (URI_FUNC(CopyRangeAsNeeded)(&destUri->portText, &sourceUri->portText, memory) + == URI_FALSE) { + URI_FUNC(PreventLeakageAfterCopy)(destUri, revertMask, memory); + return URI_ERROR_MALLOC; + } + + revertMask |= URI_NORMALIZE_PORT; + + destUri->pathHead = NULL; + destUri->pathTail = NULL; + + if (sourceUri->pathHead != NULL) { + URI_TYPE(PathSegment) * sourceWalker = sourceUri->pathHead; + URI_TYPE(PathSegment) * destPrev = NULL; + + while (sourceWalker != NULL) { + URI_TYPE(PathSegment) * destWalker = + memory->malloc(memory, sizeof(URI_TYPE(PathSegment))); + if (destWalker == NULL) { + URI_FUNC(PreventLeakageAfterCopy)(destUri, revertMask, memory); + return URI_ERROR_MALLOC; + } + + destWalker->text.first = NULL; + destWalker->text.afterLast = NULL; + destWalker->next = NULL; + destWalker->reserved = NULL; + + if (destUri->pathHead == NULL) { + destUri->pathHead = destWalker; + revertMask |= URI_NORMALIZE_PATH; + } + + if (URI_FUNC(CopyRangeAsNeeded)(&destWalker->text, &sourceWalker->text, + memory) + == URI_FALSE) { + URI_FUNC(PreventLeakageAfterCopy)(destUri, revertMask, memory); + return URI_ERROR_MALLOC; + } + + if (destPrev != NULL) { + destPrev->next = destWalker; + } + + destPrev = destWalker; + sourceWalker = sourceWalker->next; + + destUri->pathTail = destWalker; + } + } + + if (URI_FUNC(CopyRangeAsNeeded)(&destUri->query, &sourceUri->query, memory) + == URI_FALSE) { + URI_FUNC(PreventLeakageAfterCopy)(destUri, revertMask, memory); + return URI_ERROR_MALLOC; + } + + revertMask |= URI_NORMALIZE_QUERY; + + if (URI_FUNC(CopyRangeAsNeeded)(&destUri->fragment, &sourceUri->fragment, memory) + == URI_FALSE) { + URI_FUNC(PreventLeakageAfterCopy)(destUri, revertMask, memory); + return URI_ERROR_MALLOC; + } + + destUri->absolutePath = sourceUri->absolutePath; + destUri->owner = URI_TRUE; + destUri->reserved = NULL; + + return URI_SUCCESS; +} + +int URI_FUNC(CopyUri)(URI_TYPE(Uri) * destUri, const URI_TYPE(Uri) * sourceUri) { + return URI_FUNC(CopyUriMm)(destUri, sourceUri, NULL); +} + +#endif |