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Diffstat (limited to 'src/UriSetUserInfo.c')
| -rw-r--r-- | src/UriSetUserInfo.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/UriSetUserInfo.c b/src/UriSetUserInfo.c new file mode 100644 index 0000000..7865e83 --- /dev/null +++ b/src/UriSetUserInfo.c @@ -0,0 +1,180 @@ +/* + * 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 "UriSetUserInfo.c" +# undef URI_PASS_ANSI +# endif +# ifdef URI_ENABLE_UNICODE +# define URI_PASS_UNICODE 1 +# include "UriSetUserInfo.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 "UriSets.h" +# endif + +# include <assert.h> + +UriBool URI_FUNC(IsWellFormedUserInfo)(const URI_CHAR * first, + const URI_CHAR * afterLast) { + if ((first == NULL) || (afterLast == NULL)) { + return URI_FALSE; + } + + /* userinfo = *( unreserved / pct-encoded / sub-delims / ":" ) */ + while (first < afterLast) { + switch (first[0]) { + case URI_SET_UNRESERVED(_UT): + break; + + /* pct-encoded */ + case _UT('%'): + if (afterLast - first < 3) { + return URI_FALSE; + } + switch (first[1]) { + case URI_SET_HEXDIG(_UT): + break; + default: + return URI_FALSE; + } + switch (first[2]) { + case URI_SET_HEXDIG(_UT): + break; + default: + return URI_FALSE; + } + first += 2; + break; + + case URI_SET_SUB_DELIMS(_UT): + break; + + /* ":" */ + case _UT(':'): + break; + + default: + return URI_FALSE; + } + + first++; + } + return URI_TRUE; +} + +int URI_FUNC(SetUserInfoMm)(URI_TYPE(Uri) * uri, const URI_CHAR * first, + const URI_CHAR * afterLast, UriMemoryManager * memory) { + /* 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 without a host. */ + if ((first != NULL) && (URI_FUNC(HasHost)(uri) == URI_FALSE)) { + return URI_ERROR_SETUSERINFO_HOST_NOT_SET; + } + + if ((first != NULL) + && (URI_FUNC(IsWellFormedUserInfo)(first, afterLast) == URI_FALSE)) { + return URI_ERROR_SYNTAX; + } + + /* Clear old value */ + if ((uri->owner == URI_TRUE) && (uri->userInfo.first != uri->userInfo.afterLast)) { + memory->free(memory, (URI_CHAR *)uri->userInfo.first); + } + uri->userInfo.first = NULL; + uri->userInfo.afterLast = NULL; + + /* Already done? */ + if (first == NULL) { + 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 */ + URI_TYPE(TextRange) sourceRange; + sourceRange.first = first; + sourceRange.afterLast = afterLast; + + if (URI_FUNC(CopyRangeAsNeeded)(&uri->userInfo, &sourceRange, memory) == URI_FALSE) { + return URI_ERROR_MALLOC; + } + + return URI_SUCCESS; +} + +int URI_FUNC(SetUserInfo)(URI_TYPE(Uri) * uri, const URI_CHAR * first, + const URI_CHAR * afterLast) { + return URI_FUNC(SetUserInfoMm)(uri, first, afterLast, NULL); +} + +#endif |