lighttpd 1.4.x
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182 lines
4.9 KiB
182 lines
4.9 KiB
#include "first.h" |
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#include "array.h" |
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#include "configfile.h" |
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#include <string.h> |
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#include <stdlib.h> |
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#ifdef HAVE_PCRE2_H |
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#define PCRE2_CODE_UNIT_WIDTH 8 |
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#include <pcre2.h> |
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#elif defined(HAVE_PCRE_H) |
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#include <pcre.h> |
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#ifndef PCRE_STUDY_JIT_COMPILE |
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#define PCRE_STUDY_JIT_COMPILE 0 |
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#define pcre_free_study(x) pcre_free(x) |
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#endif |
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#endif |
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__attribute_cold__ |
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static data_unset *data_config_copy(const data_unset *s) { |
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data_config *src = (data_config *)s; |
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data_config *ds = data_config_init(); |
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ds->comp = src->comp; |
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if (!buffer_is_unset(&src->key)) { |
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buffer_copy_buffer(&ds->key, &src->key); |
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ds->comp_key = ds->key.ptr + (src->comp_key - src->key.ptr); |
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} |
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buffer_copy_buffer(&ds->comp_tag, &src->comp_tag); |
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array_copy_array(ds->value, src->value); |
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return (data_unset *)ds; |
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} |
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__attribute_cold__ |
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static void data_config_free(data_unset *d) { |
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data_config *ds = (data_config *)d; |
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free(ds->key.ptr); |
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free(ds->comp_tag.ptr); |
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array_free(ds->value); |
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vector_config_weak_clear(&ds->children); |
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free(ds->string.ptr); |
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#ifdef HAVE_PCRE2_H |
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if (ds->code) pcre2_code_free(ds->code); |
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#if 0 /*(see config_finalize())*/ |
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if (ds->match_data) pcre2_match_data_free(ds->match_data); |
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#endif |
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#elif defined(HAVE_PCRE_H) |
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if (ds->regex) pcre_free(ds->regex); |
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if (ds->regex_study) pcre_free_study(ds->regex_study); |
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#endif |
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free(d); |
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} |
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data_config *data_config_init(void) { |
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static const struct data_methods config_fn = { |
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data_config_copy, |
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data_config_free, |
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NULL |
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}; |
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data_config *ds; |
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ds = calloc(1, sizeof(*ds)); |
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force_assert(ds); |
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ds->comp_key = ""; |
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ds->value = array_init(4); |
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vector_config_weak_init(&ds->children); |
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ds->type = TYPE_CONFIG; |
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ds->fn = &config_fn; |
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return ds; |
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} |
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#include "log.h" |
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int data_config_pcre_compile(data_config * const dc, const int pcre_jit, log_error_st * const errh) { |
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#ifdef HAVE_PCRE2_H |
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int errcode; |
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PCRE2_SIZE erroff; |
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PCRE2_UCHAR errbuf[1024]; |
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dc->code = pcre2_compile((PCRE2_SPTR)BUF_PTR_LEN(&dc->string), |
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PCRE2_UTF, &errcode, &erroff, NULL); |
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if (NULL == dc->code) { |
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pcre2_get_error_message(errcode, errbuf, sizeof(errbuf)); |
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log_error(errh, __FILE__, __LINE__, |
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"pcre2_compile: %s at offset %zu, regex: %s", |
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(char *)errbuf, erroff, dc->string.ptr); |
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return 0; |
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} |
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if (pcre_jit) { |
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errcode = pcre2_jit_compile(dc->code, PCRE2_JIT_COMPLETE); |
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if (0 != errcode && errcode != PCRE2_ERROR_JIT_BADOPTION) { |
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pcre2_get_error_message(errcode, errbuf, sizeof(errbuf)); |
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log_error(errh, __FILE__, __LINE__, |
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"pcre2_jit_compile: %s, regex: %s", |
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(char *)errbuf, dc->string.ptr); |
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} |
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/*return 0;*/ |
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} |
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uint32_t captures; |
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errcode = pcre2_pattern_info(dc->code, PCRE2_INFO_CAPTURECOUNT, &captures); |
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if (0 != errcode) { |
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pcre2_get_error_message(errcode, errbuf, sizeof(errbuf)); |
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log_error(errh, __FILE__, __LINE__, |
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"pcre2_pattern_info: %s, regex: %s", (char *)errbuf, dc->string.ptr); |
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return 0; |
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} |
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else if (captures > 9) { |
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log_error(errh, __FILE__, __LINE__, |
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"Too many captures in regex, use (?:...) instead of (...): %s", |
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dc->string.ptr); |
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return 0; |
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} |
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#if 0 /*(see config_finalize())*/ |
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dc->match_data = pcre2_match_data_create_from_pattern(dc->code, NULL); |
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force_assert(dc->match_data); |
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#endif |
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return 1; |
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#elif defined(HAVE_PCRE_H) |
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const char *errptr; |
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int erroff, captures; |
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dc->regex = pcre_compile(dc->string.ptr, 0, &errptr, &erroff, NULL); |
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if (NULL == dc->regex) { |
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log_error(errh, __FILE__, __LINE__, |
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"parsing regex failed: %s -> %s at offset %d\n", |
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dc->string.ptr, errptr, erroff); |
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return 0; |
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} |
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const int study_options = pcre_jit ? PCRE_STUDY_JIT_COMPILE : 0; |
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dc->regex_study = pcre_study(dc->regex, study_options, &errptr); |
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if (NULL == dc->regex_study && errptr != NULL) { |
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log_error(errh, __FILE__, __LINE__, |
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"studying regex failed: %s -> %s\n", |
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dc->string.ptr, errptr); |
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return 0; |
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} |
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erroff = pcre_fullinfo(dc->regex, dc->regex_study, PCRE_INFO_CAPTURECOUNT, |
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&captures); |
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if (0 != erroff) { |
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log_error(errh, __FILE__, __LINE__, |
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"getting capture count for regex failed: %s\n", |
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dc->string.ptr); |
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return 0; |
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} |
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else if (captures > 9) { |
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log_error(errh, __FILE__, __LINE__, |
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"Too many captures in regex, use (?:...) instead of (...): %s\n", |
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dc->string.ptr); |
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return 0; |
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} |
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dc->ovec_nelts = 3 * (captures + 1); |
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return 1; |
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#else |
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UNUSED(pcre_jit); |
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log_error(errh, __FILE__, __LINE__, |
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"can't handle '%s' as you compiled without pcre support. \n" |
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"(perhaps just a missing pcre-devel package ?) \n", |
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dc->comp_key); |
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return 0; |
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#endif |
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}
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