![Michael Jerris](/assets/img/avatar_default.png)
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13706 d0543943-73ff-0310-b7d9-9358b9ac24b2
2505 lines
72 KiB
C
2505 lines
72 KiB
C
/*************************************************
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* PCRE testing program *
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*************************************************/
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/* This program was hacked up as a tester for PCRE. I really should have
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written it more tidily in the first place. Will I ever learn? It has grown and
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been extended and consequently is now rather, er, *very* untidy in places.
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-----------------------------------------------------------------------------
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the University of Cambridge nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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-----------------------------------------------------------------------------
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <ctype.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <time.h>
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#include <locale.h>
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#include <errno.h>
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#ifdef SUPPORT_LIBREADLINE
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <readline/readline.h>
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#include <readline/history.h>
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#endif
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/* A number of things vary for Windows builds. Originally, pcretest opened its
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input and output without "b"; then I was told that "b" was needed in some
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environments, so it was added for release 5.0 to both the input and output. (It
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makes no difference on Unix-like systems.) Later I was told that it is wrong
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for the input on Windows. I've now abstracted the modes into two macros that
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are set here, to make it easier to fiddle with them, and removed "b" from the
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input mode under Windows. */
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#if defined(_WIN32) || defined(WIN32)
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#include <io.h> /* For _setmode() */
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#include <fcntl.h> /* For _O_BINARY */
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#define INPUT_MODE "r"
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#define OUTPUT_MODE "wb"
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#ifndef isatty
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#define isatty _isatty /* This is what Windows calls them, I'm told, */
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#endif /* though in some environments they seem to */
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/* be already defined, hence the #ifndefs. */
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#ifndef fileno
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#define fileno _fileno
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#endif
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#else
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#include <sys/time.h> /* These two includes are needed */
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#include <sys/resource.h> /* for setrlimit(). */
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#define INPUT_MODE "rb"
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#define OUTPUT_MODE "wb"
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#endif
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/* We have to include pcre_internal.h because we need the internal info for
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displaying the results of pcre_study() and we also need to know about the
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internal macros, structures, and other internal data values; pcretest has
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"inside information" compared to a program that strictly follows the PCRE API.
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Although pcre_internal.h does itself include pcre.h, we explicitly include it
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here before pcre_internal.h so that the PCRE_EXP_xxx macros get set
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appropriately for an application, not for building PCRE. */
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#include "pcre.h"
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#include "pcre_internal.h"
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/* We need access to some of the data tables that PCRE uses. So as not to have
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to keep two copies, we include the source file here, changing the names of the
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external symbols to prevent clashes. */
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#define _pcre_ucp_gentype ucp_gentype
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#define _pcre_utf8_table1 utf8_table1
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#define _pcre_utf8_table1_size utf8_table1_size
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#define _pcre_utf8_table2 utf8_table2
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#define _pcre_utf8_table3 utf8_table3
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#define _pcre_utf8_table4 utf8_table4
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#define _pcre_utt utt
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#define _pcre_utt_size utt_size
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#define _pcre_utt_names utt_names
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#define _pcre_OP_lengths OP_lengths
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#include "pcre_tables.c"
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/* We also need the pcre_printint() function for printing out compiled
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patterns. This function is in a separate file so that it can be included in
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pcre_compile.c when that module is compiled with debugging enabled.
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The definition of the macro PRINTABLE, which determines whether to print an
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output character as-is or as a hex value when showing compiled patterns, is
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contained in this file. We uses it here also, in cases when the locale has not
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been explicitly changed, so as to get consistent output from systems that
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differ in their output from isprint() even in the "C" locale. */
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#include "pcre_printint.src"
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#define PRINTHEX(c) (locale_set? isprint(c) : PRINTABLE(c))
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/* It is possible to compile this test program without including support for
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testing the POSIX interface, though this is not available via the standard
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Makefile. */
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#if !defined NOPOSIX
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#include "pcreposix.h"
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#endif
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/* It is also possible, for the benefit of the version currently imported into
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Exim, to build pcretest without support for UTF8 (define NOUTF8), without the
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interface to the DFA matcher (NODFA), and without the doublecheck of the old
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"info" function (define NOINFOCHECK). In fact, we automatically cut out the
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UTF8 support if PCRE is built without it. */
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#ifndef SUPPORT_UTF8
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#ifndef NOUTF8
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#define NOUTF8
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#endif
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#endif
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/* Other parameters */
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#ifndef CLOCKS_PER_SEC
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#ifdef CLK_TCK
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#define CLOCKS_PER_SEC CLK_TCK
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#else
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#define CLOCKS_PER_SEC 100
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#endif
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#endif
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/* This is the default loop count for timing. */
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#define LOOPREPEAT 500000
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/* Static variables */
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static FILE *outfile;
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static int log_store = 0;
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static int callout_count;
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static int callout_extra;
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static int callout_fail_count;
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static int callout_fail_id;
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static int debug_lengths;
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static int first_callout;
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static int locale_set = 0;
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static int show_malloc;
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static int use_utf8;
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static size_t gotten_store;
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/* The buffers grow automatically if very long input lines are encountered. */
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static int buffer_size = 50000;
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static uschar *buffer = NULL;
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static uschar *dbuffer = NULL;
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static uschar *pbuffer = NULL;
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/*************************************************
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* Read or extend an input line *
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*************************************************/
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/* Input lines are read into buffer, but both patterns and data lines can be
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continued over multiple input lines. In addition, if the buffer fills up, we
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want to automatically expand it so as to be able to handle extremely large
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lines that are needed for certain stress tests. When the input buffer is
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expanded, the other two buffers must also be expanded likewise, and the
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contents of pbuffer, which are a copy of the input for callouts, must be
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preserved (for when expansion happens for a data line). This is not the most
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optimal way of handling this, but hey, this is just a test program!
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Arguments:
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f the file to read
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start where in buffer to start (this *must* be within buffer)
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prompt for stdin or readline()
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Returns: pointer to the start of new data
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could be a copy of start, or could be moved
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NULL if no data read and EOF reached
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*/
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static uschar *
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extend_inputline(FILE *f, uschar *start, const char *prompt)
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{
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uschar *here = start;
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for (;;)
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{
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int rlen = buffer_size - (here - buffer);
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if (rlen > 1000)
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{
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int dlen;
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/* If libreadline support is required, use readline() to read a line if the
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input is a terminal. Note that readline() removes the trailing newline, so
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we must put it back again, to be compatible with fgets(). */
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#ifdef SUPPORT_LIBREADLINE
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if (isatty(fileno(f)))
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{
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size_t len;
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char *s = readline(prompt);
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if (s == NULL) return (here == start)? NULL : start;
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len = strlen(s);
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if (len > 0) add_history(s);
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if (len > rlen - 1) len = rlen - 1;
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memcpy(here, s, len);
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here[len] = '\n';
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here[len+1] = 0;
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free(s);
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}
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else
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#endif
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/* Read the next line by normal means, prompting if the file is stdin. */
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{
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if (f == stdin) printf(prompt);
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if (fgets((char *)here, rlen, f) == NULL)
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return (here == start)? NULL : start;
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}
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dlen = (int)strlen((char *)here);
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if (dlen > 0 && here[dlen - 1] == '\n') return start;
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here += dlen;
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}
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else
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{
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int new_buffer_size = 2*buffer_size;
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uschar *new_buffer = (unsigned char *)malloc(new_buffer_size);
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uschar *new_dbuffer = (unsigned char *)malloc(new_buffer_size);
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uschar *new_pbuffer = (unsigned char *)malloc(new_buffer_size);
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if (new_buffer == NULL || new_dbuffer == NULL || new_pbuffer == NULL)
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{
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fprintf(stderr, "pcretest: malloc(%d) failed\n", new_buffer_size);
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exit(1);
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}
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memcpy(new_buffer, buffer, buffer_size);
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memcpy(new_pbuffer, pbuffer, buffer_size);
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buffer_size = new_buffer_size;
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start = new_buffer + (start - buffer);
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here = new_buffer + (here - buffer);
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free(buffer);
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free(dbuffer);
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free(pbuffer);
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buffer = new_buffer;
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dbuffer = new_dbuffer;
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pbuffer = new_pbuffer;
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}
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}
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return NULL; /* Control never gets here */
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}
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/*************************************************
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* Read number from string *
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*************************************************/
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/* We don't use strtoul() because SunOS4 doesn't have it. Rather than mess
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around with conditional compilation, just do the job by hand. It is only used
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for unpicking arguments, so just keep it simple.
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Arguments:
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str string to be converted
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endptr where to put the end pointer
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Returns: the unsigned long
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*/
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static int
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get_value(unsigned char *str, unsigned char **endptr)
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{
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int result = 0;
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while(*str != 0 && isspace(*str)) str++;
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while (isdigit(*str)) result = result * 10 + (int)(*str++ - '0');
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*endptr = str;
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return(result);
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}
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/*************************************************
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* Convert UTF-8 string to value *
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*************************************************/
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/* This function takes one or more bytes that represents a UTF-8 character,
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and returns the value of the character.
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Argument:
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utf8bytes a pointer to the byte vector
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vptr a pointer to an int to receive the value
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Returns: > 0 => the number of bytes consumed
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-6 to 0 => malformed UTF-8 character at offset = (-return)
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*/
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#if !defined NOUTF8
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static int
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utf82ord(unsigned char *utf8bytes, int *vptr)
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{
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int c = *utf8bytes++;
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int d = c;
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int i, j, s;
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for (i = -1; i < 6; i++) /* i is number of additional bytes */
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{
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if ((d & 0x80) == 0) break;
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d <<= 1;
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}
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if (i == -1) { *vptr = c; return 1; } /* ascii character */
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if (i == 0 || i == 6) return 0; /* invalid UTF-8 */
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/* i now has a value in the range 1-5 */
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s = 6*i;
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d = (c & utf8_table3[i]) << s;
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for (j = 0; j < i; j++)
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{
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c = *utf8bytes++;
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if ((c & 0xc0) != 0x80) return -(j+1);
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s -= 6;
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d |= (c & 0x3f) << s;
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}
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/* Check that encoding was the correct unique one */
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for (j = 0; j < utf8_table1_size; j++)
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if (d <= utf8_table1[j]) break;
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if (j != i) return -(i+1);
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/* Valid value */
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*vptr = d;
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return i+1;
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}
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#endif
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/*************************************************
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* Convert character value to UTF-8 *
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*************************************************/
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/* This function takes an integer value in the range 0 - 0x7fffffff
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and encodes it as a UTF-8 character in 0 to 6 bytes.
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Arguments:
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cvalue the character value
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utf8bytes pointer to buffer for result - at least 6 bytes long
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Returns: number of characters placed in the buffer
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*/
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#if !defined NOUTF8
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static int
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ord2utf8(int cvalue, uschar *utf8bytes)
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{
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register int i, j;
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for (i = 0; i < utf8_table1_size; i++)
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if (cvalue <= utf8_table1[i]) break;
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utf8bytes += i;
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for (j = i; j > 0; j--)
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{
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*utf8bytes-- = 0x80 | (cvalue & 0x3f);
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cvalue >>= 6;
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}
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*utf8bytes = utf8_table2[i] | cvalue;
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return i + 1;
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}
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#endif
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/*************************************************
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* Print character string *
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*************************************************/
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/* Character string printing function. Must handle UTF-8 strings in utf8
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mode. Yields number of characters printed. If handed a NULL file, just counts
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chars without printing. */
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static int pchars(unsigned char *p, int length, FILE *f)
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{
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int c = 0;
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int yield = 0;
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while (length-- > 0)
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{
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#if !defined NOUTF8
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if (use_utf8)
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{
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int rc = utf82ord(p, &c);
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if (rc > 0 && rc <= length + 1) /* Mustn't run over the end */
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{
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length -= rc - 1;
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p += rc;
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if (PRINTHEX(c))
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{
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if (f != NULL) fprintf(f, "%c", c);
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yield++;
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}
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else
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{
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int n = 4;
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if (f != NULL) fprintf(f, "\\x{%02x}", c);
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yield += (n <= 0x000000ff)? 2 :
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(n <= 0x00000fff)? 3 :
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(n <= 0x0000ffff)? 4 :
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(n <= 0x000fffff)? 5 : 6;
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}
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continue;
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}
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}
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#endif
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/* Not UTF-8, or malformed UTF-8 */
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c = *p++;
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if (PRINTHEX(c))
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{
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if (f != NULL) fprintf(f, "%c", c);
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yield++;
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}
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else
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{
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if (f != NULL) fprintf(f, "\\x%02x", c);
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yield += 4;
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}
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}
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return yield;
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}
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/*************************************************
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* Callout function *
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*************************************************/
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/* Called from PCRE as a result of the (?C) item. We print out where we are in
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the match. Yield zero unless more callouts than the fail count, or the callout
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data is not zero. */
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static int callout(pcre_callout_block *cb)
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{
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FILE *f = (first_callout | callout_extra)? outfile : NULL;
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int i, pre_start, post_start, subject_length;
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if (callout_extra)
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{
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fprintf(f, "Callout %d: last capture = %d\n",
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cb->callout_number, cb->capture_last);
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for (i = 0; i < cb->capture_top * 2; i += 2)
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{
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if (cb->offset_vector[i] < 0)
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fprintf(f, "%2d: <unset>\n", i/2);
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else
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{
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fprintf(f, "%2d: ", i/2);
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(void)pchars((unsigned char *)cb->subject + cb->offset_vector[i],
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cb->offset_vector[i+1] - cb->offset_vector[i], f);
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fprintf(f, "\n");
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}
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}
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}
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/* Re-print the subject in canonical form, the first time or if giving full
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datails. On subsequent calls in the same match, we use pchars just to find the
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printed lengths of the substrings. */
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if (f != NULL) fprintf(f, "--->");
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pre_start = pchars((unsigned char *)cb->subject, cb->start_match, f);
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post_start = pchars((unsigned char *)(cb->subject + cb->start_match),
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cb->current_position - cb->start_match, f);
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subject_length = pchars((unsigned char *)cb->subject, cb->subject_length, NULL);
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(void)pchars((unsigned char *)(cb->subject + cb->current_position),
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cb->subject_length - cb->current_position, f);
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if (f != NULL) fprintf(f, "\n");
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/* Always print appropriate indicators, with callout number if not already
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shown. For automatic callouts, show the pattern offset. */
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|
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if (cb->callout_number == 255)
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{
|
|
fprintf(outfile, "%+3d ", cb->pattern_position);
|
|
if (cb->pattern_position > 99) fprintf(outfile, "\n ");
|
|
}
|
|
else
|
|
{
|
|
if (callout_extra) fprintf(outfile, " ");
|
|
else fprintf(outfile, "%3d ", cb->callout_number);
|
|
}
|
|
|
|
for (i = 0; i < pre_start; i++) fprintf(outfile, " ");
|
|
fprintf(outfile, "^");
|
|
|
|
if (post_start > 0)
|
|
{
|
|
for (i = 0; i < post_start - 1; i++) fprintf(outfile, " ");
|
|
fprintf(outfile, "^");
|
|
}
|
|
|
|
for (i = 0; i < subject_length - pre_start - post_start + 4; i++)
|
|
fprintf(outfile, " ");
|
|
|
|
fprintf(outfile, "%.*s", (cb->next_item_length == 0)? 1 : cb->next_item_length,
|
|
pbuffer + cb->pattern_position);
|
|
|
|
fprintf(outfile, "\n");
|
|
first_callout = 0;
|
|
|
|
if (cb->callout_data != NULL)
|
|
{
|
|
int callout_data = *((int *)(cb->callout_data));
|
|
if (callout_data != 0)
|
|
{
|
|
fprintf(outfile, "Callout data = %d\n", callout_data);
|
|
return callout_data;
|
|
}
|
|
}
|
|
|
|
return (cb->callout_number != callout_fail_id)? 0 :
|
|
(++callout_count >= callout_fail_count)? 1 : 0;
|
|
}
|
|
|
|
|
|
/*************************************************
|
|
* Local malloc functions *
|
|
*************************************************/
|
|
|
|
/* Alternative malloc function, to test functionality and show the size of the
|
|
compiled re. */
|
|
|
|
static void *new_malloc(size_t size)
|
|
{
|
|
void *block = malloc(size);
|
|
gotten_store = size;
|
|
if (show_malloc)
|
|
fprintf(outfile, "malloc %3d %p\n", (int)size, block);
|
|
return block;
|
|
}
|
|
|
|
static void new_free(void *block)
|
|
{
|
|
if (show_malloc)
|
|
fprintf(outfile, "free %p\n", block);
|
|
free(block);
|
|
}
|
|
|
|
|
|
/* For recursion malloc/free, to test stacking calls */
|
|
|
|
static void *stack_malloc(size_t size)
|
|
{
|
|
void *block = malloc(size);
|
|
if (show_malloc)
|
|
fprintf(outfile, "stack_malloc %3d %p\n", (int)size, block);
|
|
return block;
|
|
}
|
|
|
|
static void stack_free(void *block)
|
|
{
|
|
if (show_malloc)
|
|
fprintf(outfile, "stack_free %p\n", block);
|
|
free(block);
|
|
}
|
|
|
|
|
|
/*************************************************
|
|
* Call pcre_fullinfo() *
|
|
*************************************************/
|
|
|
|
/* Get one piece of information from the pcre_fullinfo() function */
|
|
|
|
static void new_info(pcre *re, pcre_extra *study, int option, void *ptr)
|
|
{
|
|
int rc;
|
|
if ((rc = pcre_fullinfo(re, study, option, ptr)) < 0)
|
|
fprintf(outfile, "Error %d from pcre_fullinfo(%d)\n", rc, option);
|
|
}
|
|
|
|
|
|
|
|
/*************************************************
|
|
* Byte flipping function *
|
|
*************************************************/
|
|
|
|
static unsigned long int
|
|
byteflip(unsigned long int value, int n)
|
|
{
|
|
if (n == 2) return ((value & 0x00ff) << 8) | ((value & 0xff00) >> 8);
|
|
return ((value & 0x000000ff) << 24) |
|
|
((value & 0x0000ff00) << 8) |
|
|
((value & 0x00ff0000) >> 8) |
|
|
((value & 0xff000000) >> 24);
|
|
}
|
|
|
|
|
|
|
|
|
|
/*************************************************
|
|
* Check match or recursion limit *
|
|
*************************************************/
|
|
|
|
static int
|
|
check_match_limit(pcre *re, pcre_extra *extra, uschar *bptr, int len,
|
|
int start_offset, int options, int *use_offsets, int use_size_offsets,
|
|
int flag, unsigned long int *limit, int errnumber, const char *msg)
|
|
{
|
|
int count;
|
|
int min = 0;
|
|
int mid = 64;
|
|
int max = -1;
|
|
|
|
extra->flags |= flag;
|
|
|
|
for (;;)
|
|
{
|
|
*limit = mid;
|
|
|
|
count = pcre_exec(re, extra, (char *)bptr, len, start_offset, options,
|
|
use_offsets, use_size_offsets);
|
|
|
|
if (count == errnumber)
|
|
{
|
|
/* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
|
|
min = mid;
|
|
mid = (mid == max - 1)? max : (max > 0)? (min + max)/2 : mid*2;
|
|
}
|
|
|
|
else if (count >= 0 || count == PCRE_ERROR_NOMATCH ||
|
|
count == PCRE_ERROR_PARTIAL)
|
|
{
|
|
if (mid == min + 1)
|
|
{
|
|
fprintf(outfile, "Minimum %s limit = %d\n", msg, mid);
|
|
break;
|
|
}
|
|
/* fprintf(outfile, "Testing %s limit = %d\n", msg, mid); */
|
|
max = mid;
|
|
mid = (min + mid)/2;
|
|
}
|
|
else break; /* Some other error */
|
|
}
|
|
|
|
extra->flags &= ~flag;
|
|
return count;
|
|
}
|
|
|
|
|
|
|
|
/*************************************************
|
|
* Case-independent strncmp() function *
|
|
*************************************************/
|
|
|
|
/*
|
|
Arguments:
|
|
s first string
|
|
t second string
|
|
n number of characters to compare
|
|
|
|
Returns: < 0, = 0, or > 0, according to the comparison
|
|
*/
|
|
|
|
static int
|
|
strncmpic(uschar *s, uschar *t, int n)
|
|
{
|
|
while (n--)
|
|
{
|
|
int c = tolower(*s++) - tolower(*t++);
|
|
if (c) return c;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/*************************************************
|
|
* Check newline indicator *
|
|
*************************************************/
|
|
|
|
/* This is used both at compile and run-time to check for <xxx> escapes, where
|
|
xxx is LF, CR, CRLF, ANYCRLF, or ANY. Print a message and return 0 if there is
|
|
no match.
|
|
|
|
Arguments:
|
|
p points after the leading '<'
|
|
f file for error message
|
|
|
|
Returns: appropriate PCRE_NEWLINE_xxx flags, or 0
|
|
*/
|
|
|
|
static int
|
|
check_newline(uschar *p, FILE *f)
|
|
{
|
|
if (strncmpic(p, (uschar *)"cr>", 3) == 0) return PCRE_NEWLINE_CR;
|
|
if (strncmpic(p, (uschar *)"lf>", 3) == 0) return PCRE_NEWLINE_LF;
|
|
if (strncmpic(p, (uschar *)"crlf>", 5) == 0) return PCRE_NEWLINE_CRLF;
|
|
if (strncmpic(p, (uschar *)"anycrlf>", 8) == 0) return PCRE_NEWLINE_ANYCRLF;
|
|
if (strncmpic(p, (uschar *)"any>", 4) == 0) return PCRE_NEWLINE_ANY;
|
|
if (strncmpic(p, (uschar *)"bsr_anycrlf>", 12) == 0) return PCRE_BSR_ANYCRLF;
|
|
if (strncmpic(p, (uschar *)"bsr_unicode>", 12) == 0) return PCRE_BSR_UNICODE;
|
|
fprintf(f, "Unknown newline type at: <%s\n", p);
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/*************************************************
|
|
* Usage function *
|
|
*************************************************/
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
printf("Usage: pcretest [options] [<input file> [<output file>]]\n\n");
|
|
printf("Input and output default to stdin and stdout.\n");
|
|
#ifdef SUPPORT_LIBREADLINE
|
|
printf("If input is a terminal, readline() is used to read from it.\n");
|
|
#else
|
|
printf("This version of pcretest is not linked with readline().\n");
|
|
#endif
|
|
printf("\nOptions:\n");
|
|
printf(" -b show compiled code (bytecode)\n");
|
|
printf(" -C show PCRE compile-time options and exit\n");
|
|
printf(" -d debug: show compiled code and information (-b and -i)\n");
|
|
#if !defined NODFA
|
|
printf(" -dfa force DFA matching for all subjects\n");
|
|
#endif
|
|
printf(" -help show usage information\n");
|
|
printf(" -i show information about compiled patterns\n"
|
|
" -M find MATCH_LIMIT minimum for each subject\n"
|
|
" -m output memory used information\n"
|
|
" -o <n> set size of offsets vector to <n>\n");
|
|
#if !defined NOPOSIX
|
|
printf(" -p use POSIX interface\n");
|
|
#endif
|
|
printf(" -q quiet: do not output PCRE version number at start\n");
|
|
printf(" -S <n> set stack size to <n> megabytes\n");
|
|
printf(" -s output store (memory) used information\n"
|
|
" -t time compilation and execution\n");
|
|
printf(" -t <n> time compilation and execution, repeating <n> times\n");
|
|
printf(" -tm time execution (matching) only\n");
|
|
printf(" -tm <n> time execution (matching) only, repeating <n> times\n");
|
|
}
|
|
|
|
|
|
|
|
/*************************************************
|
|
* Main Program *
|
|
*************************************************/
|
|
|
|
/* Read lines from named file or stdin and write to named file or stdout; lines
|
|
consist of a regular expression, in delimiters and optionally followed by
|
|
options, followed by a set of test data, terminated by an empty line. */
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
FILE *infile = stdin;
|
|
int options = 0;
|
|
int study_options = 0;
|
|
int default_find_match_limit = FALSE;
|
|
int op = 1;
|
|
int timeit = 0;
|
|
int timeitm = 0;
|
|
int showinfo = 0;
|
|
int showstore = 0;
|
|
int quiet = 0;
|
|
int size_offsets = 45;
|
|
int size_offsets_max;
|
|
int *offsets = NULL;
|
|
#if !defined NOPOSIX
|
|
int posix = 0;
|
|
#endif
|
|
int debug = 0;
|
|
int done = 0;
|
|
int all_use_dfa = 0;
|
|
int yield = 0;
|
|
int stack_size;
|
|
|
|
/* These vectors store, end-to-end, a list of captured substring names. Assume
|
|
that 1024 is plenty long enough for the few names we'll be testing. */
|
|
|
|
uschar copynames[1024];
|
|
uschar getnames[1024];
|
|
|
|
uschar *copynamesptr;
|
|
uschar *getnamesptr;
|
|
|
|
/* Get buffers from malloc() so that Electric Fence will check their misuse
|
|
when I am debugging. They grow automatically when very long lines are read. */
|
|
|
|
buffer = (unsigned char *)malloc(buffer_size);
|
|
dbuffer = (unsigned char *)malloc(buffer_size);
|
|
pbuffer = (unsigned char *)malloc(buffer_size);
|
|
|
|
/* The outfile variable is static so that new_malloc can use it. */
|
|
|
|
outfile = stdout;
|
|
|
|
/* The following _setmode() stuff is some Windows magic that tells its runtime
|
|
library to translate CRLF into a single LF character. At least, that's what
|
|
I've been told: never having used Windows I take this all on trust. Originally
|
|
it set 0x8000, but then I was advised that _O_BINARY was better. */
|
|
|
|
#if defined(_WIN32) || defined(WIN32)
|
|
_setmode( _fileno( stdout ), _O_BINARY );
|
|
#endif
|
|
|
|
/* Scan options */
|
|
|
|
while (argc > 1 && argv[op][0] == '-')
|
|
{
|
|
unsigned char *endptr;
|
|
|
|
if (strcmp(argv[op], "-s") == 0 || strcmp(argv[op], "-m") == 0)
|
|
showstore = 1;
|
|
else if (strcmp(argv[op], "-q") == 0) quiet = 1;
|
|
else if (strcmp(argv[op], "-b") == 0) debug = 1;
|
|
else if (strcmp(argv[op], "-i") == 0) showinfo = 1;
|
|
else if (strcmp(argv[op], "-d") == 0) showinfo = debug = 1;
|
|
else if (strcmp(argv[op], "-M") == 0) default_find_match_limit = TRUE;
|
|
#if !defined NODFA
|
|
else if (strcmp(argv[op], "-dfa") == 0) all_use_dfa = 1;
|
|
#endif
|
|
else if (strcmp(argv[op], "-o") == 0 && argc > 2 &&
|
|
((size_offsets = get_value((unsigned char *)argv[op+1], &endptr)),
|
|
*endptr == 0))
|
|
{
|
|
op++;
|
|
argc--;
|
|
}
|
|
else if (strcmp(argv[op], "-t") == 0 || strcmp(argv[op], "-tm") == 0)
|
|
{
|
|
int both = argv[op][2] == 0;
|
|
int temp;
|
|
if (argc > 2 && (temp = get_value((unsigned char *)argv[op+1], &endptr),
|
|
*endptr == 0))
|
|
{
|
|
timeitm = temp;
|
|
op++;
|
|
argc--;
|
|
}
|
|
else timeitm = LOOPREPEAT;
|
|
if (both) timeit = timeitm;
|
|
}
|
|
else if (strcmp(argv[op], "-S") == 0 && argc > 2 &&
|
|
((stack_size = get_value((unsigned char *)argv[op+1], &endptr)),
|
|
*endptr == 0))
|
|
{
|
|
#if defined(_WIN32) || defined(WIN32)
|
|
printf("PCRE: -S not supported on this OS\n");
|
|
exit(1);
|
|
#else
|
|
int rc;
|
|
struct rlimit rlim;
|
|
getrlimit(RLIMIT_STACK, &rlim);
|
|
rlim.rlim_cur = stack_size * 1024 * 1024;
|
|
rc = setrlimit(RLIMIT_STACK, &rlim);
|
|
if (rc != 0)
|
|
{
|
|
printf("PCRE: setrlimit() failed with error %d\n", rc);
|
|
exit(1);
|
|
}
|
|
op++;
|
|
argc--;
|
|
#endif
|
|
}
|
|
#if !defined NOPOSIX
|
|
else if (strcmp(argv[op], "-p") == 0) posix = 1;
|
|
#endif
|
|
else if (strcmp(argv[op], "-C") == 0)
|
|
{
|
|
int rc;
|
|
unsigned long int lrc;
|
|
printf("PCRE version %s\n", pcre_version());
|
|
printf("Compiled with\n");
|
|
(void)pcre_config(PCRE_CONFIG_UTF8, &rc);
|
|
printf(" %sUTF-8 support\n", rc? "" : "No ");
|
|
(void)pcre_config(PCRE_CONFIG_UNICODE_PROPERTIES, &rc);
|
|
printf(" %sUnicode properties support\n", rc? "" : "No ");
|
|
(void)pcre_config(PCRE_CONFIG_NEWLINE, &rc);
|
|
/* Note that these values are always the ASCII values, even
|
|
in EBCDIC environments. CR is 13 and NL is 10. */
|
|
printf(" Newline sequence is %s\n", (rc == 13)? "CR" :
|
|
(rc == 10)? "LF" : (rc == (13<<8 | 10))? "CRLF" :
|
|
(rc == -2)? "ANYCRLF" :
|
|
(rc == -1)? "ANY" : "???");
|
|
(void)pcre_config(PCRE_CONFIG_BSR, &rc);
|
|
printf(" \\R matches %s\n", rc? "CR, LF, or CRLF only" :
|
|
"all Unicode newlines");
|
|
(void)pcre_config(PCRE_CONFIG_LINK_SIZE, &rc);
|
|
printf(" Internal link size = %d\n", rc);
|
|
(void)pcre_config(PCRE_CONFIG_POSIX_MALLOC_THRESHOLD, &rc);
|
|
printf(" POSIX malloc threshold = %d\n", rc);
|
|
(void)pcre_config(PCRE_CONFIG_MATCH_LIMIT, &lrc);
|
|
printf(" Default match limit = %ld\n", lrc);
|
|
(void)pcre_config(PCRE_CONFIG_MATCH_LIMIT_RECURSION, &lrc);
|
|
printf(" Default recursion depth limit = %ld\n", lrc);
|
|
(void)pcre_config(PCRE_CONFIG_STACKRECURSE, &rc);
|
|
printf(" Match recursion uses %s\n", rc? "stack" : "heap");
|
|
goto EXIT;
|
|
}
|
|
else if (strcmp(argv[op], "-help") == 0 ||
|
|
strcmp(argv[op], "--help") == 0)
|
|
{
|
|
usage();
|
|
goto EXIT;
|
|
}
|
|
else
|
|
{
|
|
printf("** Unknown or malformed option %s\n", argv[op]);
|
|
usage();
|
|
yield = 1;
|
|
goto EXIT;
|
|
}
|
|
op++;
|
|
argc--;
|
|
}
|
|
|
|
/* Get the store for the offsets vector, and remember what it was */
|
|
|
|
size_offsets_max = size_offsets;
|
|
offsets = (int *)malloc(size_offsets_max * sizeof(int));
|
|
if (offsets == NULL)
|
|
{
|
|
printf("** Failed to get %d bytes of memory for offsets vector\n",
|
|
(int)(size_offsets_max * sizeof(int)));
|
|
yield = 1;
|
|
goto EXIT;
|
|
}
|
|
|
|
/* Sort out the input and output files */
|
|
|
|
if (argc > 1)
|
|
{
|
|
infile = fopen(argv[op], INPUT_MODE);
|
|
if (infile == NULL)
|
|
{
|
|
printf("** Failed to open %s\n", argv[op]);
|
|
yield = 1;
|
|
goto EXIT;
|
|
}
|
|
}
|
|
|
|
if (argc > 2)
|
|
{
|
|
outfile = fopen(argv[op+1], OUTPUT_MODE);
|
|
if (outfile == NULL)
|
|
{
|
|
printf("** Failed to open %s\n", argv[op+1]);
|
|
yield = 1;
|
|
goto EXIT;
|
|
}
|
|
}
|
|
|
|
/* Set alternative malloc function */
|
|
|
|
pcre_malloc = new_malloc;
|
|
pcre_free = new_free;
|
|
pcre_stack_malloc = stack_malloc;
|
|
pcre_stack_free = stack_free;
|
|
|
|
/* Heading line unless quiet, then prompt for first regex if stdin */
|
|
|
|
if (!quiet) fprintf(outfile, "PCRE version %s\n\n", pcre_version());
|
|
|
|
/* Main loop */
|
|
|
|
while (!done)
|
|
{
|
|
pcre *re = NULL;
|
|
pcre_extra *extra = NULL;
|
|
|
|
#if !defined NOPOSIX /* There are still compilers that require no indent */
|
|
regex_t preg;
|
|
int do_posix = 0;
|
|
#endif
|
|
|
|
const char *error;
|
|
unsigned char *p, *pp, *ppp;
|
|
unsigned char *to_file = NULL;
|
|
const unsigned char *tables = NULL;
|
|
unsigned long int true_size, true_study_size = 0;
|
|
size_t size, regex_gotten_store;
|
|
int do_study = 0;
|
|
int do_debug = debug;
|
|
int do_G = 0;
|
|
int do_g = 0;
|
|
int do_showinfo = showinfo;
|
|
int do_showrest = 0;
|
|
int do_flip = 0;
|
|
int erroroffset, len, delimiter, poffset;
|
|
|
|
use_utf8 = 0;
|
|
debug_lengths = 1;
|
|
|
|
if (extend_inputline(infile, buffer, " re> ") == NULL) break;
|
|
if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
|
|
fflush(outfile);
|
|
|
|
p = buffer;
|
|
while (isspace(*p)) p++;
|
|
if (*p == 0) continue;
|
|
|
|
/* See if the pattern is to be loaded pre-compiled from a file. */
|
|
|
|
if (*p == '<' && strchr((char *)(p+1), '<') == NULL)
|
|
{
|
|
unsigned long int magic, get_options;
|
|
uschar sbuf[8];
|
|
FILE *f;
|
|
|
|
p++;
|
|
pp = p + (int)strlen((char *)p);
|
|
while (isspace(pp[-1])) pp--;
|
|
*pp = 0;
|
|
|
|
f = fopen((char *)p, "rb");
|
|
if (f == NULL)
|
|
{
|
|
fprintf(outfile, "Failed to open %s: %s\n", p, strerror(errno));
|
|
continue;
|
|
}
|
|
|
|
if (fread(sbuf, 1, 8, f) != 8) goto FAIL_READ;
|
|
|
|
true_size =
|
|
(sbuf[0] << 24) | (sbuf[1] << 16) | (sbuf[2] << 8) | sbuf[3];
|
|
true_study_size =
|
|
(sbuf[4] << 24) | (sbuf[5] << 16) | (sbuf[6] << 8) | sbuf[7];
|
|
|
|
re = (real_pcre *)new_malloc(true_size);
|
|
regex_gotten_store = gotten_store;
|
|
|
|
if (fread(re, 1, true_size, f) != true_size) goto FAIL_READ;
|
|
|
|
magic = ((real_pcre *)re)->magic_number;
|
|
if (magic != MAGIC_NUMBER)
|
|
{
|
|
if (byteflip(magic, sizeof(magic)) == MAGIC_NUMBER)
|
|
{
|
|
do_flip = 1;
|
|
}
|
|
else
|
|
{
|
|
fprintf(outfile, "Data in %s is not a compiled PCRE regex\n", p);
|
|
fclose(f);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
fprintf(outfile, "Compiled regex%s loaded from %s\n",
|
|
do_flip? " (byte-inverted)" : "", p);
|
|
|
|
/* Need to know if UTF-8 for printing data strings */
|
|
|
|
new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
|
|
use_utf8 = (get_options & PCRE_UTF8) != 0;
|
|
|
|
/* Now see if there is any following study data */
|
|
|
|
if (true_study_size != 0)
|
|
{
|
|
pcre_study_data *psd;
|
|
|
|
extra = (pcre_extra *)new_malloc(sizeof(pcre_extra) + true_study_size);
|
|
extra->flags = PCRE_EXTRA_STUDY_DATA;
|
|
|
|
psd = (pcre_study_data *)(((char *)extra) + sizeof(pcre_extra));
|
|
extra->study_data = psd;
|
|
|
|
if (fread(psd, 1, true_study_size, f) != true_study_size)
|
|
{
|
|
FAIL_READ:
|
|
fprintf(outfile, "Failed to read data from %s\n", p);
|
|
if (extra != NULL) new_free(extra);
|
|
if (re != NULL) new_free(re);
|
|
fclose(f);
|
|
continue;
|
|
}
|
|
fprintf(outfile, "Study data loaded from %s\n", p);
|
|
do_study = 1; /* To get the data output if requested */
|
|
}
|
|
else fprintf(outfile, "No study data\n");
|
|
|
|
fclose(f);
|
|
goto SHOW_INFO;
|
|
}
|
|
|
|
/* In-line pattern (the usual case). Get the delimiter and seek the end of
|
|
the pattern; if is isn't complete, read more. */
|
|
|
|
delimiter = *p++;
|
|
|
|
if (isalnum(delimiter) || delimiter == '\\')
|
|
{
|
|
fprintf(outfile, "** Delimiter must not be alphanumeric or \\\n");
|
|
goto SKIP_DATA;
|
|
}
|
|
|
|
pp = p;
|
|
poffset = p - buffer;
|
|
|
|
for(;;)
|
|
{
|
|
while (*pp != 0)
|
|
{
|
|
if (*pp == '\\' && pp[1] != 0) pp++;
|
|
else if (*pp == delimiter) break;
|
|
pp++;
|
|
}
|
|
if (*pp != 0) break;
|
|
if ((pp = extend_inputline(infile, pp, " > ")) == NULL)
|
|
{
|
|
fprintf(outfile, "** Unexpected EOF\n");
|
|
done = 1;
|
|
goto CONTINUE;
|
|
}
|
|
if (infile != stdin) fprintf(outfile, "%s", (char *)pp);
|
|
}
|
|
|
|
/* The buffer may have moved while being extended; reset the start of data
|
|
pointer to the correct relative point in the buffer. */
|
|
|
|
p = buffer + poffset;
|
|
|
|
/* If the first character after the delimiter is backslash, make
|
|
the pattern end with backslash. This is purely to provide a way
|
|
of testing for the error message when a pattern ends with backslash. */
|
|
|
|
if (pp[1] == '\\') *pp++ = '\\';
|
|
|
|
/* Terminate the pattern at the delimiter, and save a copy of the pattern
|
|
for callouts. */
|
|
|
|
*pp++ = 0;
|
|
strcpy((char *)pbuffer, (char *)p);
|
|
|
|
/* Look for options after final delimiter */
|
|
|
|
options = 0;
|
|
study_options = 0;
|
|
log_store = showstore; /* default from command line */
|
|
|
|
while (*pp != 0)
|
|
{
|
|
switch (*pp++)
|
|
{
|
|
case 'f': options |= PCRE_FIRSTLINE; break;
|
|
case 'g': do_g = 1; break;
|
|
case 'i': options |= PCRE_CASELESS; break;
|
|
case 'm': options |= PCRE_MULTILINE; break;
|
|
case 's': options |= PCRE_DOTALL; break;
|
|
case 'x': options |= PCRE_EXTENDED; break;
|
|
|
|
case '+': do_showrest = 1; break;
|
|
case 'A': options |= PCRE_ANCHORED; break;
|
|
case 'B': do_debug = 1; break;
|
|
case 'C': options |= PCRE_AUTO_CALLOUT; break;
|
|
case 'D': do_debug = do_showinfo = 1; break;
|
|
case 'E': options |= PCRE_DOLLAR_ENDONLY; break;
|
|
case 'F': do_flip = 1; break;
|
|
case 'G': do_G = 1; break;
|
|
case 'I': do_showinfo = 1; break;
|
|
case 'J': options |= PCRE_DUPNAMES; break;
|
|
case 'M': log_store = 1; break;
|
|
case 'N': options |= PCRE_NO_AUTO_CAPTURE; break;
|
|
|
|
#if !defined NOPOSIX
|
|
case 'P': do_posix = 1; break;
|
|
#endif
|
|
|
|
case 'S': do_study = 1; break;
|
|
case 'U': options |= PCRE_UNGREEDY; break;
|
|
case 'X': options |= PCRE_EXTRA; break;
|
|
case 'Z': debug_lengths = 0; break;
|
|
case '8': options |= PCRE_UTF8; use_utf8 = 1; break;
|
|
case '?': options |= PCRE_NO_UTF8_CHECK; break;
|
|
|
|
case 'L':
|
|
ppp = pp;
|
|
/* The '\r' test here is so that it works on Windows. */
|
|
/* The '0' test is just in case this is an unterminated line. */
|
|
while (*ppp != 0 && *ppp != '\n' && *ppp != '\r' && *ppp != ' ') ppp++;
|
|
*ppp = 0;
|
|
if (setlocale(LC_CTYPE, (const char *)pp) == NULL)
|
|
{
|
|
fprintf(outfile, "** Failed to set locale \"%s\"\n", pp);
|
|
goto SKIP_DATA;
|
|
}
|
|
locale_set = 1;
|
|
tables = pcre_maketables();
|
|
pp = ppp;
|
|
break;
|
|
|
|
case '>':
|
|
to_file = pp;
|
|
while (*pp != 0) pp++;
|
|
while (isspace(pp[-1])) pp--;
|
|
*pp = 0;
|
|
break;
|
|
|
|
case '<':
|
|
{
|
|
if (strncmp((char *)pp, "JS>", 3) == 0)
|
|
{
|
|
options |= PCRE_JAVASCRIPT_COMPAT;
|
|
pp += 3;
|
|
}
|
|
else
|
|
{
|
|
int x = check_newline(pp, outfile);
|
|
if (x == 0) goto SKIP_DATA;
|
|
options |= x;
|
|
while (*pp++ != '>');
|
|
}
|
|
}
|
|
break;
|
|
|
|
case '\r': /* So that it works in Windows */
|
|
case '\n':
|
|
case ' ':
|
|
break;
|
|
|
|
default:
|
|
fprintf(outfile, "** Unknown option '%c'\n", pp[-1]);
|
|
goto SKIP_DATA;
|
|
}
|
|
}
|
|
|
|
/* Handle compiling via the POSIX interface, which doesn't support the
|
|
timing, showing, or debugging options, nor the ability to pass over
|
|
local character tables. */
|
|
|
|
#if !defined NOPOSIX
|
|
if (posix || do_posix)
|
|
{
|
|
int rc;
|
|
int cflags = 0;
|
|
|
|
if ((options & PCRE_CASELESS) != 0) cflags |= REG_ICASE;
|
|
if ((options & PCRE_MULTILINE) != 0) cflags |= REG_NEWLINE;
|
|
if ((options & PCRE_DOTALL) != 0) cflags |= REG_DOTALL;
|
|
if ((options & PCRE_NO_AUTO_CAPTURE) != 0) cflags |= REG_NOSUB;
|
|
if ((options & PCRE_UTF8) != 0) cflags |= REG_UTF8;
|
|
|
|
rc = regcomp(&preg, (char *)p, cflags);
|
|
|
|
/* Compilation failed; go back for another re, skipping to blank line
|
|
if non-interactive. */
|
|
|
|
if (rc != 0)
|
|
{
|
|
(void)regerror(rc, &preg, (char *)buffer, buffer_size);
|
|
fprintf(outfile, "Failed: POSIX code %d: %s\n", rc, buffer);
|
|
goto SKIP_DATA;
|
|
}
|
|
}
|
|
|
|
/* Handle compiling via the native interface */
|
|
|
|
else
|
|
#endif /* !defined NOPOSIX */
|
|
|
|
{
|
|
unsigned long int get_options;
|
|
|
|
if (timeit > 0)
|
|
{
|
|
register int i;
|
|
clock_t time_taken;
|
|
clock_t start_time = clock();
|
|
for (i = 0; i < timeit; i++)
|
|
{
|
|
re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
|
|
if (re != NULL) free(re);
|
|
}
|
|
time_taken = clock() - start_time;
|
|
fprintf(outfile, "Compile time %.4f milliseconds\n",
|
|
(((double)time_taken * 1000.0) / (double)timeit) /
|
|
(double)CLOCKS_PER_SEC);
|
|
}
|
|
|
|
re = pcre_compile((char *)p, options, &error, &erroroffset, tables);
|
|
|
|
/* Compilation failed; go back for another re, skipping to blank line
|
|
if non-interactive. */
|
|
|
|
if (re == NULL)
|
|
{
|
|
fprintf(outfile, "Failed: %s at offset %d\n", error, erroroffset);
|
|
SKIP_DATA:
|
|
if (infile != stdin)
|
|
{
|
|
for (;;)
|
|
{
|
|
if (extend_inputline(infile, buffer, NULL) == NULL)
|
|
{
|
|
done = 1;
|
|
goto CONTINUE;
|
|
}
|
|
len = (int)strlen((char *)buffer);
|
|
while (len > 0 && isspace(buffer[len-1])) len--;
|
|
if (len == 0) break;
|
|
}
|
|
fprintf(outfile, "\n");
|
|
}
|
|
goto CONTINUE;
|
|
}
|
|
|
|
/* Compilation succeeded. It is now possible to set the UTF-8 option from
|
|
within the regex; check for this so that we know how to process the data
|
|
lines. */
|
|
|
|
new_info(re, NULL, PCRE_INFO_OPTIONS, &get_options);
|
|
if ((get_options & PCRE_UTF8) != 0) use_utf8 = 1;
|
|
|
|
/* Print information if required. There are now two info-returning
|
|
functions. The old one has a limited interface and returns only limited
|
|
data. Check that it agrees with the newer one. */
|
|
|
|
if (log_store)
|
|
fprintf(outfile, "Memory allocation (code space): %d\n",
|
|
(int)(gotten_store -
|
|
sizeof(real_pcre) -
|
|
((real_pcre *)re)->name_count * ((real_pcre *)re)->name_entry_size));
|
|
|
|
/* Extract the size for possible writing before possibly flipping it,
|
|
and remember the store that was got. */
|
|
|
|
true_size = ((real_pcre *)re)->size;
|
|
regex_gotten_store = gotten_store;
|
|
|
|
/* If /S was present, study the regexp to generate additional info to
|
|
help with the matching. */
|
|
|
|
if (do_study)
|
|
{
|
|
if (timeit > 0)
|
|
{
|
|
register int i;
|
|
clock_t time_taken;
|
|
clock_t start_time = clock();
|
|
for (i = 0; i < timeit; i++)
|
|
extra = pcre_study(re, study_options, &error);
|
|
time_taken = clock() - start_time;
|
|
if (extra != NULL) free(extra);
|
|
fprintf(outfile, " Study time %.4f milliseconds\n",
|
|
(((double)time_taken * 1000.0) / (double)timeit) /
|
|
(double)CLOCKS_PER_SEC);
|
|
}
|
|
extra = pcre_study(re, study_options, &error);
|
|
if (error != NULL)
|
|
fprintf(outfile, "Failed to study: %s\n", error);
|
|
else if (extra != NULL)
|
|
true_study_size = ((pcre_study_data *)(extra->study_data))->size;
|
|
}
|
|
|
|
/* If the 'F' option was present, we flip the bytes of all the integer
|
|
fields in the regex data block and the study block. This is to make it
|
|
possible to test PCRE's handling of byte-flipped patterns, e.g. those
|
|
compiled on a different architecture. */
|
|
|
|
if (do_flip)
|
|
{
|
|
real_pcre *rre = (real_pcre *)re;
|
|
rre->magic_number =
|
|
byteflip(rre->magic_number, sizeof(rre->magic_number));
|
|
rre->size = byteflip(rre->size, sizeof(rre->size));
|
|
rre->options = byteflip(rre->options, sizeof(rre->options));
|
|
rre->flags = (pcre_uint16)byteflip(rre->flags, sizeof(rre->flags));
|
|
rre->top_bracket =
|
|
(pcre_uint16)byteflip(rre->top_bracket, sizeof(rre->top_bracket));
|
|
rre->top_backref =
|
|
(pcre_uint16)byteflip(rre->top_backref, sizeof(rre->top_backref));
|
|
rre->first_byte =
|
|
(pcre_uint16)byteflip(rre->first_byte, sizeof(rre->first_byte));
|
|
rre->req_byte =
|
|
(pcre_uint16)byteflip(rre->req_byte, sizeof(rre->req_byte));
|
|
rre->name_table_offset = (pcre_uint16)byteflip(rre->name_table_offset,
|
|
sizeof(rre->name_table_offset));
|
|
rre->name_entry_size = (pcre_uint16)byteflip(rre->name_entry_size,
|
|
sizeof(rre->name_entry_size));
|
|
rre->name_count = (pcre_uint16)byteflip(rre->name_count,
|
|
sizeof(rre->name_count));
|
|
|
|
if (extra != NULL)
|
|
{
|
|
pcre_study_data *rsd = (pcre_study_data *)(extra->study_data);
|
|
rsd->size = byteflip(rsd->size, sizeof(rsd->size));
|
|
rsd->options = byteflip(rsd->options, sizeof(rsd->options));
|
|
}
|
|
}
|
|
|
|
/* Extract information from the compiled data if required */
|
|
|
|
SHOW_INFO:
|
|
|
|
if (do_debug)
|
|
{
|
|
fprintf(outfile, "------------------------------------------------------------------\n");
|
|
pcre_printint(re, outfile, debug_lengths);
|
|
}
|
|
|
|
/* We already have the options in get_options (see above) */
|
|
|
|
if (do_showinfo)
|
|
{
|
|
unsigned long int all_options;
|
|
#if !defined NOINFOCHECK
|
|
int old_first_char, old_options, old_count;
|
|
#endif
|
|
int count, backrefmax, first_char, need_char, okpartial, jchanged,
|
|
hascrorlf;
|
|
int nameentrysize, namecount;
|
|
const uschar *nametable;
|
|
|
|
new_info(re, NULL, PCRE_INFO_SIZE, &size);
|
|
new_info(re, NULL, PCRE_INFO_CAPTURECOUNT, &count);
|
|
new_info(re, NULL, PCRE_INFO_BACKREFMAX, &backrefmax);
|
|
new_info(re, NULL, PCRE_INFO_FIRSTBYTE, &first_char);
|
|
new_info(re, NULL, PCRE_INFO_LASTLITERAL, &need_char);
|
|
new_info(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &nameentrysize);
|
|
new_info(re, NULL, PCRE_INFO_NAMECOUNT, &namecount);
|
|
new_info(re, NULL, PCRE_INFO_NAMETABLE, (void *)&nametable);
|
|
new_info(re, NULL, PCRE_INFO_OKPARTIAL, &okpartial);
|
|
new_info(re, NULL, PCRE_INFO_JCHANGED, &jchanged);
|
|
new_info(re, NULL, PCRE_INFO_HASCRORLF, &hascrorlf);
|
|
|
|
#if !defined NOINFOCHECK
|
|
old_count = pcre_info(re, &old_options, &old_first_char);
|
|
if (count < 0) fprintf(outfile,
|
|
"Error %d from pcre_info()\n", count);
|
|
else
|
|
{
|
|
if (old_count != count) fprintf(outfile,
|
|
"Count disagreement: pcre_fullinfo=%d pcre_info=%d\n", count,
|
|
old_count);
|
|
|
|
if (old_first_char != first_char) fprintf(outfile,
|
|
"First char disagreement: pcre_fullinfo=%d pcre_info=%d\n",
|
|
first_char, old_first_char);
|
|
|
|
if (old_options != (int)get_options) fprintf(outfile,
|
|
"Options disagreement: pcre_fullinfo=%ld pcre_info=%d\n",
|
|
get_options, old_options);
|
|
}
|
|
#endif
|
|
|
|
if (size != regex_gotten_store) fprintf(outfile,
|
|
"Size disagreement: pcre_fullinfo=%d call to malloc for %d\n",
|
|
(int)size, (int)regex_gotten_store);
|
|
|
|
fprintf(outfile, "Capturing subpattern count = %d\n", count);
|
|
if (backrefmax > 0)
|
|
fprintf(outfile, "Max back reference = %d\n", backrefmax);
|
|
|
|
if (namecount > 0)
|
|
{
|
|
fprintf(outfile, "Named capturing subpatterns:\n");
|
|
while (namecount-- > 0)
|
|
{
|
|
fprintf(outfile, " %s %*s%3d\n", nametable + 2,
|
|
nameentrysize - 3 - (int)strlen((char *)nametable + 2), "",
|
|
GET2(nametable, 0));
|
|
nametable += nameentrysize;
|
|
}
|
|
}
|
|
|
|
if (!okpartial) fprintf(outfile, "Partial matching not supported\n");
|
|
if (hascrorlf) fprintf(outfile, "Contains explicit CR or LF match\n");
|
|
|
|
all_options = ((real_pcre *)re)->options;
|
|
if (do_flip) all_options = byteflip(all_options, sizeof(all_options));
|
|
|
|
if (get_options == 0) fprintf(outfile, "No options\n");
|
|
else fprintf(outfile, "Options:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
|
|
((get_options & PCRE_ANCHORED) != 0)? " anchored" : "",
|
|
((get_options & PCRE_CASELESS) != 0)? " caseless" : "",
|
|
((get_options & PCRE_EXTENDED) != 0)? " extended" : "",
|
|
((get_options & PCRE_MULTILINE) != 0)? " multiline" : "",
|
|
((get_options & PCRE_FIRSTLINE) != 0)? " firstline" : "",
|
|
((get_options & PCRE_DOTALL) != 0)? " dotall" : "",
|
|
((get_options & PCRE_BSR_ANYCRLF) != 0)? " bsr_anycrlf" : "",
|
|
((get_options & PCRE_BSR_UNICODE) != 0)? " bsr_unicode" : "",
|
|
((get_options & PCRE_DOLLAR_ENDONLY) != 0)? " dollar_endonly" : "",
|
|
((get_options & PCRE_EXTRA) != 0)? " extra" : "",
|
|
((get_options & PCRE_UNGREEDY) != 0)? " ungreedy" : "",
|
|
((get_options & PCRE_NO_AUTO_CAPTURE) != 0)? " no_auto_capture" : "",
|
|
((get_options & PCRE_UTF8) != 0)? " utf8" : "",
|
|
((get_options & PCRE_NO_UTF8_CHECK) != 0)? " no_utf8_check" : "",
|
|
((get_options & PCRE_DUPNAMES) != 0)? " dupnames" : "");
|
|
|
|
if (jchanged) fprintf(outfile, "Duplicate name status changes\n");
|
|
|
|
switch (get_options & PCRE_NEWLINE_BITS)
|
|
{
|
|
case PCRE_NEWLINE_CR:
|
|
fprintf(outfile, "Forced newline sequence: CR\n");
|
|
break;
|
|
|
|
case PCRE_NEWLINE_LF:
|
|
fprintf(outfile, "Forced newline sequence: LF\n");
|
|
break;
|
|
|
|
case PCRE_NEWLINE_CRLF:
|
|
fprintf(outfile, "Forced newline sequence: CRLF\n");
|
|
break;
|
|
|
|
case PCRE_NEWLINE_ANYCRLF:
|
|
fprintf(outfile, "Forced newline sequence: ANYCRLF\n");
|
|
break;
|
|
|
|
case PCRE_NEWLINE_ANY:
|
|
fprintf(outfile, "Forced newline sequence: ANY\n");
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (first_char == -1)
|
|
{
|
|
fprintf(outfile, "First char at start or follows newline\n");
|
|
}
|
|
else if (first_char < 0)
|
|
{
|
|
fprintf(outfile, "No first char\n");
|
|
}
|
|
else
|
|
{
|
|
int ch = first_char & 255;
|
|
const char *caseless = ((first_char & REQ_CASELESS) == 0)?
|
|
"" : " (caseless)";
|
|
if (PRINTHEX(ch))
|
|
fprintf(outfile, "First char = \'%c\'%s\n", ch, caseless);
|
|
else
|
|
fprintf(outfile, "First char = %d%s\n", ch, caseless);
|
|
}
|
|
|
|
if (need_char < 0)
|
|
{
|
|
fprintf(outfile, "No need char\n");
|
|
}
|
|
else
|
|
{
|
|
int ch = need_char & 255;
|
|
const char *caseless = ((need_char & REQ_CASELESS) == 0)?
|
|
"" : " (caseless)";
|
|
if (PRINTHEX(ch))
|
|
fprintf(outfile, "Need char = \'%c\'%s\n", ch, caseless);
|
|
else
|
|
fprintf(outfile, "Need char = %d%s\n", ch, caseless);
|
|
}
|
|
|
|
/* Don't output study size; at present it is in any case a fixed
|
|
value, but it varies, depending on the computer architecture, and
|
|
so messes up the test suite. (And with the /F option, it might be
|
|
flipped.) */
|
|
|
|
if (do_study)
|
|
{
|
|
if (extra == NULL)
|
|
fprintf(outfile, "Study returned NULL\n");
|
|
else
|
|
{
|
|
uschar *start_bits = NULL;
|
|
new_info(re, extra, PCRE_INFO_FIRSTTABLE, &start_bits);
|
|
|
|
if (start_bits == NULL)
|
|
fprintf(outfile, "No starting byte set\n");
|
|
else
|
|
{
|
|
int i;
|
|
int c = 24;
|
|
fprintf(outfile, "Starting byte set: ");
|
|
for (i = 0; i < 256; i++)
|
|
{
|
|
if ((start_bits[i/8] & (1<<(i&7))) != 0)
|
|
{
|
|
if (c > 75)
|
|
{
|
|
fprintf(outfile, "\n ");
|
|
c = 2;
|
|
}
|
|
if (PRINTHEX(i) && i != ' ')
|
|
{
|
|
fprintf(outfile, "%c ", i);
|
|
c += 2;
|
|
}
|
|
else
|
|
{
|
|
fprintf(outfile, "\\x%02x ", i);
|
|
c += 5;
|
|
}
|
|
}
|
|
}
|
|
fprintf(outfile, "\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* If the '>' option was present, we write out the regex to a file, and
|
|
that is all. The first 8 bytes of the file are the regex length and then
|
|
the study length, in big-endian order. */
|
|
|
|
if (to_file != NULL)
|
|
{
|
|
FILE *f = fopen((char *)to_file, "wb");
|
|
if (f == NULL)
|
|
{
|
|
fprintf(outfile, "Unable to open %s: %s\n", to_file, strerror(errno));
|
|
}
|
|
else
|
|
{
|
|
uschar sbuf[8];
|
|
sbuf[0] = (uschar)((true_size >> 24) & 255);
|
|
sbuf[1] = (uschar)((true_size >> 16) & 255);
|
|
sbuf[2] = (uschar)((true_size >> 8) & 255);
|
|
sbuf[3] = (uschar)((true_size) & 255);
|
|
|
|
sbuf[4] = (uschar)((true_study_size >> 24) & 255);
|
|
sbuf[5] = (uschar)((true_study_size >> 16) & 255);
|
|
sbuf[6] = (uschar)((true_study_size >> 8) & 255);
|
|
sbuf[7] = (uschar)((true_study_size) & 255);
|
|
|
|
if (fwrite(sbuf, 1, 8, f) < 8 ||
|
|
fwrite(re, 1, true_size, f) < true_size)
|
|
{
|
|
fprintf(outfile, "Write error on %s: %s\n", to_file, strerror(errno));
|
|
}
|
|
else
|
|
{
|
|
fprintf(outfile, "Compiled regex written to %s\n", to_file);
|
|
if (extra != NULL)
|
|
{
|
|
if (fwrite(extra->study_data, 1, true_study_size, f) <
|
|
true_study_size)
|
|
{
|
|
fprintf(outfile, "Write error on %s: %s\n", to_file,
|
|
strerror(errno));
|
|
}
|
|
else fprintf(outfile, "Study data written to %s\n", to_file);
|
|
|
|
}
|
|
}
|
|
fclose(f);
|
|
}
|
|
|
|
new_free(re);
|
|
if (extra != NULL) new_free(extra);
|
|
if (tables != NULL) new_free((void *)tables);
|
|
continue; /* With next regex */
|
|
}
|
|
} /* End of non-POSIX compile */
|
|
|
|
/* Read data lines and test them */
|
|
|
|
for (;;)
|
|
{
|
|
uschar *q;
|
|
uschar *bptr;
|
|
int *use_offsets = offsets;
|
|
int use_size_offsets = size_offsets;
|
|
int callout_data = 0;
|
|
int callout_data_set = 0;
|
|
int count, c;
|
|
int copystrings = 0;
|
|
int find_match_limit = default_find_match_limit;
|
|
int getstrings = 0;
|
|
int getlist = 0;
|
|
int gmatched = 0;
|
|
int start_offset = 0;
|
|
int g_notempty = 0;
|
|
int use_dfa = 0;
|
|
|
|
options = 0;
|
|
|
|
*copynames = 0;
|
|
*getnames = 0;
|
|
|
|
copynamesptr = copynames;
|
|
getnamesptr = getnames;
|
|
|
|
pcre_callout = callout;
|
|
first_callout = 1;
|
|
callout_extra = 0;
|
|
callout_count = 0;
|
|
callout_fail_count = 999999;
|
|
callout_fail_id = -1;
|
|
show_malloc = 0;
|
|
|
|
if (extra != NULL) extra->flags &=
|
|
~(PCRE_EXTRA_MATCH_LIMIT|PCRE_EXTRA_MATCH_LIMIT_RECURSION);
|
|
|
|
len = 0;
|
|
for (;;)
|
|
{
|
|
if (extend_inputline(infile, buffer + len, "data> ") == NULL)
|
|
{
|
|
if (len > 0) break;
|
|
done = 1;
|
|
goto CONTINUE;
|
|
}
|
|
if (infile != stdin) fprintf(outfile, "%s", (char *)buffer);
|
|
len = (int)strlen((char *)buffer);
|
|
if (buffer[len-1] == '\n') break;
|
|
}
|
|
|
|
while (len > 0 && isspace(buffer[len-1])) len--;
|
|
buffer[len] = 0;
|
|
if (len == 0) break;
|
|
|
|
p = buffer;
|
|
while (isspace(*p)) p++;
|
|
|
|
bptr = q = dbuffer;
|
|
while ((c = *p++) != 0)
|
|
{
|
|
int i = 0;
|
|
int n = 0;
|
|
|
|
if (c == '\\') switch ((c = *p++))
|
|
{
|
|
case 'a': c = 7; break;
|
|
case 'b': c = '\b'; break;
|
|
case 'e': c = 27; break;
|
|
case 'f': c = '\f'; break;
|
|
case 'n': c = '\n'; break;
|
|
case 'r': c = '\r'; break;
|
|
case 't': c = '\t'; break;
|
|
case 'v': c = '\v'; break;
|
|
|
|
case '0': case '1': case '2': case '3':
|
|
case '4': case '5': case '6': case '7':
|
|
c -= '0';
|
|
while (i++ < 2 && isdigit(*p) && *p != '8' && *p != '9')
|
|
c = c * 8 + *p++ - '0';
|
|
|
|
#if !defined NOUTF8
|
|
if (use_utf8 && c > 255)
|
|
{
|
|
unsigned char buff8[8];
|
|
int ii, utn;
|
|
utn = ord2utf8(c, buff8);
|
|
for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
|
|
c = buff8[ii]; /* Last byte */
|
|
}
|
|
#endif
|
|
break;
|
|
|
|
case 'x':
|
|
|
|
/* Handle \x{..} specially - new Perl thing for utf8 */
|
|
|
|
#if !defined NOUTF8
|
|
if (*p == '{')
|
|
{
|
|
unsigned char *pt = p;
|
|
c = 0;
|
|
while (isxdigit(*(++pt)))
|
|
c = c * 16 + tolower(*pt) - ((isdigit(*pt))? '0' : 'W');
|
|
if (*pt == '}')
|
|
{
|
|
unsigned char buff8[8];
|
|
int ii, utn;
|
|
if (use_utf8)
|
|
{
|
|
utn = ord2utf8(c, buff8);
|
|
for (ii = 0; ii < utn - 1; ii++) *q++ = buff8[ii];
|
|
c = buff8[ii]; /* Last byte */
|
|
}
|
|
else
|
|
{
|
|
if (c > 255)
|
|
fprintf(outfile, "** Character \\x{%x} is greater than 255 and "
|
|
"UTF-8 mode is not enabled.\n"
|
|
"** Truncation will probably give the wrong result.\n", c);
|
|
}
|
|
p = pt + 1;
|
|
break;
|
|
}
|
|
/* Not correct form; fall through */
|
|
}
|
|
#endif
|
|
|
|
/* Ordinary \x */
|
|
|
|
c = 0;
|
|
while (i++ < 2 && isxdigit(*p))
|
|
{
|
|
c = c * 16 + tolower(*p) - ((isdigit(*p))? '0' : 'W');
|
|
p++;
|
|
}
|
|
break;
|
|
|
|
case 0: /* \ followed by EOF allows for an empty line */
|
|
p--;
|
|
continue;
|
|
|
|
case '>':
|
|
while(isdigit(*p)) start_offset = start_offset * 10 + *p++ - '0';
|
|
continue;
|
|
|
|
case 'A': /* Option setting */
|
|
options |= PCRE_ANCHORED;
|
|
continue;
|
|
|
|
case 'B':
|
|
options |= PCRE_NOTBOL;
|
|
continue;
|
|
|
|
case 'C':
|
|
if (isdigit(*p)) /* Set copy string */
|
|
{
|
|
while(isdigit(*p)) n = n * 10 + *p++ - '0';
|
|
copystrings |= 1 << n;
|
|
}
|
|
else if (isalnum(*p))
|
|
{
|
|
uschar *npp = copynamesptr;
|
|
while (isalnum(*p)) *npp++ = *p++;
|
|
*npp++ = 0;
|
|
*npp = 0;
|
|
n = pcre_get_stringnumber(re, (char *)copynamesptr);
|
|
if (n < 0)
|
|
fprintf(outfile, "no parentheses with name \"%s\"\n", copynamesptr);
|
|
copynamesptr = npp;
|
|
}
|
|
else if (*p == '+')
|
|
{
|
|
callout_extra = 1;
|
|
p++;
|
|
}
|
|
else if (*p == '-')
|
|
{
|
|
pcre_callout = NULL;
|
|
p++;
|
|
}
|
|
else if (*p == '!')
|
|
{
|
|
callout_fail_id = 0;
|
|
p++;
|
|
while(isdigit(*p))
|
|
callout_fail_id = callout_fail_id * 10 + *p++ - '0';
|
|
callout_fail_count = 0;
|
|
if (*p == '!')
|
|
{
|
|
p++;
|
|
while(isdigit(*p))
|
|
callout_fail_count = callout_fail_count * 10 + *p++ - '0';
|
|
}
|
|
}
|
|
else if (*p == '*')
|
|
{
|
|
int sign = 1;
|
|
callout_data = 0;
|
|
if (*(++p) == '-') { sign = -1; p++; }
|
|
while(isdigit(*p))
|
|
callout_data = callout_data * 10 + *p++ - '0';
|
|
callout_data *= sign;
|
|
callout_data_set = 1;
|
|
}
|
|
continue;
|
|
|
|
#if !defined NODFA
|
|
case 'D':
|
|
#if !defined NOPOSIX
|
|
if (posix || do_posix)
|
|
printf("** Can't use dfa matching in POSIX mode: \\D ignored\n");
|
|
else
|
|
#endif
|
|
use_dfa = 1;
|
|
continue;
|
|
|
|
case 'F':
|
|
options |= PCRE_DFA_SHORTEST;
|
|
continue;
|
|
#endif
|
|
|
|
case 'G':
|
|
if (isdigit(*p))
|
|
{
|
|
while(isdigit(*p)) n = n * 10 + *p++ - '0';
|
|
getstrings |= 1 << n;
|
|
}
|
|
else if (isalnum(*p))
|
|
{
|
|
uschar *npp = getnamesptr;
|
|
while (isalnum(*p)) *npp++ = *p++;
|
|
*npp++ = 0;
|
|
*npp = 0;
|
|
n = pcre_get_stringnumber(re, (char *)getnamesptr);
|
|
if (n < 0)
|
|
fprintf(outfile, "no parentheses with name \"%s\"\n", getnamesptr);
|
|
getnamesptr = npp;
|
|
}
|
|
continue;
|
|
|
|
case 'L':
|
|
getlist = 1;
|
|
continue;
|
|
|
|
case 'M':
|
|
find_match_limit = 1;
|
|
continue;
|
|
|
|
case 'N':
|
|
options |= PCRE_NOTEMPTY;
|
|
continue;
|
|
|
|
case 'O':
|
|
while(isdigit(*p)) n = n * 10 + *p++ - '0';
|
|
if (n > size_offsets_max)
|
|
{
|
|
size_offsets_max = n;
|
|
free(offsets);
|
|
use_offsets = offsets = (int *)malloc(size_offsets_max * sizeof(int));
|
|
if (offsets == NULL)
|
|
{
|
|
printf("** Failed to get %d bytes of memory for offsets vector\n",
|
|
(int)(size_offsets_max * sizeof(int)));
|
|
yield = 1;
|
|
goto EXIT;
|
|
}
|
|
}
|
|
use_size_offsets = n;
|
|
if (n == 0) use_offsets = NULL; /* Ensures it can't write to it */
|
|
continue;
|
|
|
|
case 'P':
|
|
options |= PCRE_PARTIAL;
|
|
continue;
|
|
|
|
case 'Q':
|
|
while(isdigit(*p)) n = n * 10 + *p++ - '0';
|
|
if (extra == NULL)
|
|
{
|
|
extra = (pcre_extra *)malloc(sizeof(pcre_extra));
|
|
extra->flags = 0;
|
|
}
|
|
extra->flags |= PCRE_EXTRA_MATCH_LIMIT_RECURSION;
|
|
extra->match_limit_recursion = n;
|
|
continue;
|
|
|
|
case 'q':
|
|
while(isdigit(*p)) n = n * 10 + *p++ - '0';
|
|
if (extra == NULL)
|
|
{
|
|
extra = (pcre_extra *)malloc(sizeof(pcre_extra));
|
|
extra->flags = 0;
|
|
}
|
|
extra->flags |= PCRE_EXTRA_MATCH_LIMIT;
|
|
extra->match_limit = n;
|
|
continue;
|
|
|
|
#if !defined NODFA
|
|
case 'R':
|
|
options |= PCRE_DFA_RESTART;
|
|
continue;
|
|
#endif
|
|
|
|
case 'S':
|
|
show_malloc = 1;
|
|
continue;
|
|
|
|
case 'Y':
|
|
options |= PCRE_NO_START_OPTIMIZE;
|
|
continue;
|
|
|
|
case 'Z':
|
|
options |= PCRE_NOTEOL;
|
|
continue;
|
|
|
|
case '?':
|
|
options |= PCRE_NO_UTF8_CHECK;
|
|
continue;
|
|
|
|
case '<':
|
|
{
|
|
int x = check_newline(p, outfile);
|
|
if (x == 0) goto NEXT_DATA;
|
|
options |= x;
|
|
while (*p++ != '>');
|
|
}
|
|
continue;
|
|
}
|
|
*q++ = c;
|
|
}
|
|
*q = 0;
|
|
len = q - dbuffer;
|
|
|
|
/* Move the data to the end of the buffer so that a read over the end of
|
|
the buffer will be seen by valgrind, even if it doesn't cause a crash. If
|
|
we are using the POSIX interface, we must include the terminating zero. */
|
|
|
|
#if !defined NOPOSIX
|
|
if (posix || do_posix)
|
|
{
|
|
memmove(bptr + buffer_size - len - 1, bptr, len + 1);
|
|
bptr += buffer_size - len - 1;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
memmove(bptr + buffer_size - len, bptr, len);
|
|
bptr += buffer_size - len;
|
|
}
|
|
|
|
if ((all_use_dfa || use_dfa) && find_match_limit)
|
|
{
|
|
printf("**Match limit not relevant for DFA matching: ignored\n");
|
|
find_match_limit = 0;
|
|
}
|
|
|
|
/* Handle matching via the POSIX interface, which does not
|
|
support timing or playing with the match limit or callout data. */
|
|
|
|
#if !defined NOPOSIX
|
|
if (posix || do_posix)
|
|
{
|
|
int rc;
|
|
int eflags = 0;
|
|
regmatch_t *pmatch = NULL;
|
|
if (use_size_offsets > 0)
|
|
pmatch = (regmatch_t *)malloc(sizeof(regmatch_t) * use_size_offsets);
|
|
if ((options & PCRE_NOTBOL) != 0) eflags |= REG_NOTBOL;
|
|
if ((options & PCRE_NOTEOL) != 0) eflags |= REG_NOTEOL;
|
|
if ((options & PCRE_NOTEMPTY) != 0) eflags |= REG_NOTEMPTY;
|
|
|
|
rc = regexec(&preg, (const char *)bptr, use_size_offsets, pmatch, eflags);
|
|
|
|
if (rc != 0)
|
|
{
|
|
(void)regerror(rc, &preg, (char *)buffer, buffer_size);
|
|
fprintf(outfile, "No match: POSIX code %d: %s\n", rc, buffer);
|
|
}
|
|
else if ((((const pcre *)preg.re_pcre)->options & PCRE_NO_AUTO_CAPTURE)
|
|
!= 0)
|
|
{
|
|
fprintf(outfile, "Matched with REG_NOSUB\n");
|
|
}
|
|
else
|
|
{
|
|
size_t i;
|
|
for (i = 0; i < (size_t)use_size_offsets; i++)
|
|
{
|
|
if (pmatch[i].rm_so >= 0)
|
|
{
|
|
fprintf(outfile, "%2d: ", (int)i);
|
|
(void)pchars(dbuffer + pmatch[i].rm_so,
|
|
pmatch[i].rm_eo - pmatch[i].rm_so, outfile);
|
|
fprintf(outfile, "\n");
|
|
if (i == 0 && do_showrest)
|
|
{
|
|
fprintf(outfile, " 0+ ");
|
|
(void)pchars(dbuffer + pmatch[i].rm_eo, len - pmatch[i].rm_eo,
|
|
outfile);
|
|
fprintf(outfile, "\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
free(pmatch);
|
|
}
|
|
|
|
/* Handle matching via the native interface - repeats for /g and /G */
|
|
|
|
else
|
|
#endif /* !defined NOPOSIX */
|
|
|
|
for (;; gmatched++) /* Loop for /g or /G */
|
|
{
|
|
if (timeitm > 0)
|
|
{
|
|
register int i;
|
|
clock_t time_taken;
|
|
clock_t start_time = clock();
|
|
|
|
#if !defined NODFA
|
|
if (all_use_dfa || use_dfa)
|
|
{
|
|
int workspace[1000];
|
|
for (i = 0; i < timeitm; i++)
|
|
count = pcre_dfa_exec(re, NULL, (char *)bptr, len, start_offset,
|
|
options | g_notempty, use_offsets, use_size_offsets, workspace,
|
|
sizeof(workspace)/sizeof(int));
|
|
}
|
|
else
|
|
#endif
|
|
|
|
for (i = 0; i < timeitm; i++)
|
|
count = pcre_exec(re, extra, (char *)bptr, len,
|
|
start_offset, options | g_notempty, use_offsets, use_size_offsets);
|
|
|
|
time_taken = clock() - start_time;
|
|
fprintf(outfile, "Execute time %.4f milliseconds\n",
|
|
(((double)time_taken * 1000.0) / (double)timeitm) /
|
|
(double)CLOCKS_PER_SEC);
|
|
}
|
|
|
|
/* If find_match_limit is set, we want to do repeated matches with
|
|
varying limits in order to find the minimum value for the match limit and
|
|
for the recursion limit. */
|
|
|
|
if (find_match_limit)
|
|
{
|
|
if (extra == NULL)
|
|
{
|
|
extra = (pcre_extra *)malloc(sizeof(pcre_extra));
|
|
extra->flags = 0;
|
|
}
|
|
|
|
(void)check_match_limit(re, extra, bptr, len, start_offset,
|
|
options|g_notempty, use_offsets, use_size_offsets,
|
|
PCRE_EXTRA_MATCH_LIMIT, &(extra->match_limit),
|
|
PCRE_ERROR_MATCHLIMIT, "match()");
|
|
|
|
count = check_match_limit(re, extra, bptr, len, start_offset,
|
|
options|g_notempty, use_offsets, use_size_offsets,
|
|
PCRE_EXTRA_MATCH_LIMIT_RECURSION, &(extra->match_limit_recursion),
|
|
PCRE_ERROR_RECURSIONLIMIT, "match() recursion");
|
|
}
|
|
|
|
/* If callout_data is set, use the interface with additional data */
|
|
|
|
else if (callout_data_set)
|
|
{
|
|
if (extra == NULL)
|
|
{
|
|
extra = (pcre_extra *)malloc(sizeof(pcre_extra));
|
|
extra->flags = 0;
|
|
}
|
|
extra->flags |= PCRE_EXTRA_CALLOUT_DATA;
|
|
extra->callout_data = &callout_data;
|
|
count = pcre_exec(re, extra, (char *)bptr, len, start_offset,
|
|
options | g_notempty, use_offsets, use_size_offsets);
|
|
extra->flags &= ~PCRE_EXTRA_CALLOUT_DATA;
|
|
}
|
|
|
|
/* The normal case is just to do the match once, with the default
|
|
value of match_limit. */
|
|
|
|
#if !defined NODFA
|
|
else if (all_use_dfa || use_dfa)
|
|
{
|
|
int workspace[1000];
|
|
count = pcre_dfa_exec(re, NULL, (char *)bptr, len, start_offset,
|
|
options | g_notempty, use_offsets, use_size_offsets, workspace,
|
|
sizeof(workspace)/sizeof(int));
|
|
if (count == 0)
|
|
{
|
|
fprintf(outfile, "Matched, but too many subsidiary matches\n");
|
|
count = use_size_offsets/2;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
else
|
|
{
|
|
count = pcre_exec(re, extra, (char *)bptr, len,
|
|
start_offset, options | g_notempty, use_offsets, use_size_offsets);
|
|
if (count == 0)
|
|
{
|
|
fprintf(outfile, "Matched, but too many substrings\n");
|
|
count = use_size_offsets/3;
|
|
}
|
|
}
|
|
|
|
/* Matched */
|
|
|
|
if (count >= 0)
|
|
{
|
|
int i, maxcount;
|
|
|
|
#if !defined NODFA
|
|
if (all_use_dfa || use_dfa) maxcount = use_size_offsets/2; else
|
|
#endif
|
|
maxcount = use_size_offsets/3;
|
|
|
|
/* This is a check against a lunatic return value. */
|
|
|
|
if (count > maxcount)
|
|
{
|
|
fprintf(outfile,
|
|
"** PCRE error: returned count %d is too big for offset size %d\n",
|
|
count, use_size_offsets);
|
|
count = use_size_offsets/3;
|
|
if (do_g || do_G)
|
|
{
|
|
fprintf(outfile, "** /%c loop abandoned\n", do_g? 'g' : 'G');
|
|
do_g = do_G = FALSE; /* Break g/G loop */
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < count * 2; i += 2)
|
|
{
|
|
if (use_offsets[i] < 0)
|
|
fprintf(outfile, "%2d: <unset>\n", i/2);
|
|
else
|
|
{
|
|
fprintf(outfile, "%2d: ", i/2);
|
|
(void)pchars(bptr + use_offsets[i],
|
|
use_offsets[i+1] - use_offsets[i], outfile);
|
|
fprintf(outfile, "\n");
|
|
if (i == 0)
|
|
{
|
|
if (do_showrest)
|
|
{
|
|
fprintf(outfile, " 0+ ");
|
|
(void)pchars(bptr + use_offsets[i+1], len - use_offsets[i+1],
|
|
outfile);
|
|
fprintf(outfile, "\n");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < 32; i++)
|
|
{
|
|
if ((copystrings & (1 << i)) != 0)
|
|
{
|
|
char copybuffer[256];
|
|
int rc = pcre_copy_substring((char *)bptr, use_offsets, count,
|
|
i, copybuffer, sizeof(copybuffer));
|
|
if (rc < 0)
|
|
fprintf(outfile, "copy substring %d failed %d\n", i, rc);
|
|
else
|
|
fprintf(outfile, "%2dC %s (%d)\n", i, copybuffer, rc);
|
|
}
|
|
}
|
|
|
|
for (copynamesptr = copynames;
|
|
*copynamesptr != 0;
|
|
copynamesptr += (int)strlen((char*)copynamesptr) + 1)
|
|
{
|
|
char copybuffer[256];
|
|
int rc = pcre_copy_named_substring(re, (char *)bptr, use_offsets,
|
|
count, (char *)copynamesptr, copybuffer, sizeof(copybuffer));
|
|
if (rc < 0)
|
|
fprintf(outfile, "copy substring %s failed %d\n", copynamesptr, rc);
|
|
else
|
|
fprintf(outfile, " C %s (%d) %s\n", copybuffer, rc, copynamesptr);
|
|
}
|
|
|
|
for (i = 0; i < 32; i++)
|
|
{
|
|
if ((getstrings & (1 << i)) != 0)
|
|
{
|
|
const char *substring;
|
|
int rc = pcre_get_substring((char *)bptr, use_offsets, count,
|
|
i, &substring);
|
|
if (rc < 0)
|
|
fprintf(outfile, "get substring %d failed %d\n", i, rc);
|
|
else
|
|
{
|
|
fprintf(outfile, "%2dG %s (%d)\n", i, substring, rc);
|
|
pcre_free_substring(substring);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (getnamesptr = getnames;
|
|
*getnamesptr != 0;
|
|
getnamesptr += (int)strlen((char*)getnamesptr) + 1)
|
|
{
|
|
const char *substring;
|
|
int rc = pcre_get_named_substring(re, (char *)bptr, use_offsets,
|
|
count, (char *)getnamesptr, &substring);
|
|
if (rc < 0)
|
|
fprintf(outfile, "copy substring %s failed %d\n", getnamesptr, rc);
|
|
else
|
|
{
|
|
fprintf(outfile, " G %s (%d) %s\n", substring, rc, getnamesptr);
|
|
pcre_free_substring(substring);
|
|
}
|
|
}
|
|
|
|
if (getlist)
|
|
{
|
|
const char **stringlist;
|
|
int rc = pcre_get_substring_list((char *)bptr, use_offsets, count,
|
|
&stringlist);
|
|
if (rc < 0)
|
|
fprintf(outfile, "get substring list failed %d\n", rc);
|
|
else
|
|
{
|
|
for (i = 0; i < count; i++)
|
|
fprintf(outfile, "%2dL %s\n", i, stringlist[i]);
|
|
if (stringlist[i] != NULL)
|
|
fprintf(outfile, "string list not terminated by NULL\n");
|
|
/* free((void *)stringlist); */
|
|
pcre_free_substring_list(stringlist);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* There was a partial match */
|
|
|
|
else if (count == PCRE_ERROR_PARTIAL)
|
|
{
|
|
fprintf(outfile, "Partial match");
|
|
#if !defined NODFA
|
|
if ((all_use_dfa || use_dfa) && use_size_offsets > 2)
|
|
fprintf(outfile, ": %.*s", use_offsets[1] - use_offsets[0],
|
|
bptr + use_offsets[0]);
|
|
#endif
|
|
fprintf(outfile, "\n");
|
|
break; /* Out of the /g loop */
|
|
}
|
|
|
|
/* Failed to match. If this is a /g or /G loop and we previously set
|
|
g_notempty after a null match, this is not necessarily the end. We want
|
|
to advance the start offset, and continue. We won't be at the end of the
|
|
string - that was checked before setting g_notempty.
|
|
|
|
Complication arises in the case when the newline option is "any" or
|
|
"anycrlf". If the previous match was at the end of a line terminated by
|
|
CRLF, an advance of one character just passes the \r, whereas we should
|
|
prefer the longer newline sequence, as does the code in pcre_exec().
|
|
Fudge the offset value to achieve this.
|
|
|
|
Otherwise, in the case of UTF-8 matching, the advance must be one
|
|
character, not one byte. */
|
|
|
|
else
|
|
{
|
|
if (g_notempty != 0)
|
|
{
|
|
int onechar = 1;
|
|
unsigned int obits = ((real_pcre *)re)->options;
|
|
use_offsets[0] = start_offset;
|
|
if ((obits & PCRE_NEWLINE_BITS) == 0)
|
|
{
|
|
int d;
|
|
(void)pcre_config(PCRE_CONFIG_NEWLINE, &d);
|
|
/* Note that these values are always the ASCII ones, even in
|
|
EBCDIC environments. CR = 13, NL = 10. */
|
|
obits = (d == 13)? PCRE_NEWLINE_CR :
|
|
(d == 10)? PCRE_NEWLINE_LF :
|
|
(d == (13<<8 | 10))? PCRE_NEWLINE_CRLF :
|
|
(d == -2)? PCRE_NEWLINE_ANYCRLF :
|
|
(d == -1)? PCRE_NEWLINE_ANY : 0;
|
|
}
|
|
if (((obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANY ||
|
|
(obits & PCRE_NEWLINE_BITS) == PCRE_NEWLINE_ANYCRLF)
|
|
&&
|
|
start_offset < len - 1 &&
|
|
bptr[start_offset] == '\r' &&
|
|
bptr[start_offset+1] == '\n')
|
|
onechar++;
|
|
else if (use_utf8)
|
|
{
|
|
while (start_offset + onechar < len)
|
|
{
|
|
int tb = bptr[start_offset+onechar];
|
|
if (tb <= 127) break;
|
|
tb &= 0xc0;
|
|
if (tb != 0 && tb != 0xc0) onechar++;
|
|
}
|
|
}
|
|
use_offsets[1] = start_offset + onechar;
|
|
}
|
|
else
|
|
{
|
|
if (count == PCRE_ERROR_NOMATCH)
|
|
{
|
|
if (gmatched == 0) fprintf(outfile, "No match\n");
|
|
}
|
|
else fprintf(outfile, "Error %d\n", count);
|
|
break; /* Out of the /g loop */
|
|
}
|
|
}
|
|
|
|
/* If not /g or /G we are done */
|
|
|
|
if (!do_g && !do_G) break;
|
|
|
|
/* If we have matched an empty string, first check to see if we are at
|
|
the end of the subject. If so, the /g loop is over. Otherwise, mimic
|
|
what Perl's /g options does. This turns out to be rather cunning. First
|
|
we set PCRE_NOTEMPTY and PCRE_ANCHORED and try the match again at the
|
|
same point. If this fails (picked up above) we advance to the next
|
|
character. */
|
|
|
|
g_notempty = 0;
|
|
|
|
if (use_offsets[0] == use_offsets[1])
|
|
{
|
|
if (use_offsets[0] == len) break;
|
|
g_notempty = PCRE_NOTEMPTY | PCRE_ANCHORED;
|
|
}
|
|
|
|
/* For /g, update the start offset, leaving the rest alone */
|
|
|
|
if (do_g) start_offset = use_offsets[1];
|
|
|
|
/* For /G, update the pointer and length */
|
|
|
|
else
|
|
{
|
|
bptr += use_offsets[1];
|
|
len -= use_offsets[1];
|
|
}
|
|
} /* End of loop for /g and /G */
|
|
|
|
NEXT_DATA: continue;
|
|
} /* End of loop for data lines */
|
|
|
|
CONTINUE:
|
|
|
|
#if !defined NOPOSIX
|
|
if (posix || do_posix) regfree(&preg);
|
|
#endif
|
|
|
|
if (re != NULL) new_free(re);
|
|
if (extra != NULL) new_free(extra);
|
|
if (tables != NULL)
|
|
{
|
|
new_free((void *)tables);
|
|
setlocale(LC_CTYPE, "C");
|
|
locale_set = 0;
|
|
}
|
|
}
|
|
|
|
if (infile == stdin) fprintf(outfile, "\n");
|
|
|
|
EXIT:
|
|
|
|
if (infile != NULL && infile != stdin) fclose(infile);
|
|
if (outfile != NULL && outfile != stdout) fclose(outfile);
|
|
|
|
free(buffer);
|
|
free(dbuffer);
|
|
free(pbuffer);
|
|
free(offsets);
|
|
|
|
return yield;
|
|
}
|
|
|
|
/* End of pcretest.c */
|