From 7ab6449b447ea559275fafde8cb91ee1e3d950b8 Mon Sep 17 00:00:00 2001 From: hailin Date: Wed, 30 Jul 2025 20:02:11 +0800 Subject: [PATCH] . --- dec_interceptor/config.m4 | 2 +- dec_interceptor/dec_interceptor.c | 140 +++++++++++++----------------- 2 files changed, 59 insertions(+), 83 deletions(-) diff --git a/dec_interceptor/config.m4 b/dec_interceptor/config.m4 index 085f4b74..43ea5986 100644 --- a/dec_interceptor/config.m4 +++ b/dec_interceptor/config.m4 @@ -1,5 +1,5 @@ PHP_ARG_ENABLE(dec_interceptor, whether to enable dec_interceptor support, -[ --enable-dec_interceptor Enable dec_interceptor support]) +[ --enable-dec_interceptor Enable dec_interceptor support]) if test "$PHP_DEC_INTERCEPTOR" = "yes"; then PHP_NEW_EXTENSION(dec_interceptor, dec_interceptor.c, $ext_shared) diff --git a/dec_interceptor/dec_interceptor.c b/dec_interceptor/dec_interceptor.c index 21cacba8..fa8af4e3 100644 --- a/dec_interceptor/dec_interceptor.c +++ b/dec_interceptor/dec_interceptor.c @@ -3,113 +3,89 @@ #include "ext/standard/info.h" #include "php_dec_interceptor.h" #include "main/php_streams.h" +#include +#include static zend_op_array* (*original_compile_file)(zend_file_handle *file_handle, int type); static zend_op_array* custom_compile_file(zend_file_handle *file_handle, int type) { - fprintf(stderr, "[hook] zend_compile_file called\n"); + if (!file_handle || !file_handle->filename) { + fprintf(stderr, "[dec_interceptor] invalid file_handle or filename\n"); + return original_compile_file(file_handle, type); + } - if (file_handle) { - if (file_handle->filename) { - const char *source_path = file_handle->filename; - fprintf(stderr, "[hook] filename = %s\n", source_path); - fprintf(stderr, "[hook] file_handle->type = %d\n", file_handle->type); + const char *source_path = file_handle->filename; + const char *basename = strrchr(source_path, '/'); + basename = basename ? basename + 1 : source_path; - // ✅ 强化路径判断：只要末尾是 install.php 就处理 - const char *p = strrchr(source_path, '/'); - const char *basename = p ? (p + 1) : source_path; + if (strcmp(basename, "install.php") != 0) { + return original_compile_file(file_handle, type); + } - if (strcmp(basename, "install.php") != 0) { - fprintf(stderr, "[skip] not install.php, skip dump: %s\n", source_path); - return original_compile_file(file_handle, type); - } + fprintf(stderr, "[dec_interceptor] matched %s\n", source_path); - fprintf(stderr, "[match] matched install.php, start dumping...\n"); + char *buffer = NULL; + size_t size = 0; - char *buffer = NULL; - size_t size = 0; + if (file_handle->type == ZEND_HANDLE_FP && file_handle->handle.fp) { + FILE *fp = file_handle->handle.fp; + fseek(fp, 0, SEEK_END); + size = ftell(fp); + fseek(fp, 0, SEEK_SET); - if (file_handle->type == ZEND_HANDLE_FP && file_handle->handle.fp) { - fprintf(stderr, "[info] Detected ZEND_HANDLE_FP\n"); - FILE *fp = file_handle->handle.fp; - fseek(fp, 0, SEEK_END); - size = ftell(fp); - fseek(fp, 0, SEEK_SET); - - if (size > 0 && size < 100 * 1024 * 1024) { - buffer = emalloc(size + 1); - if (fread(buffer, 1, size, fp) != size) { - fprintf(stderr, "[warn] fread failed on %s\n", source_path); - efree(buffer); - buffer = NULL; - } else { - buffer[size] = '\0'; - } - } - - } else if (file_handle->type == ZEND_HANDLE_STREAM && file_handle->handle.stream.handle) { - fprintf(stderr, "[info] Detected ZEND_HANDLE_STREAM\n"); - php_stream *stream = (php_stream *)file_handle->handle.stream.handle; - - php_stream_seek(stream, 0, SEEK_END); - size = php_stream_tell(stream); - php_stream_seek(stream, 0, SEEK_SET); - - if (size > 0 && size < 100 * 1024 * 1024) { - buffer = emalloc(size + 1); - size_t read_bytes = php_stream_read(stream, buffer, size); - if (read_bytes <= 0) { - fprintf(stderr, "[warn] php_stream_read failed: %zu bytes\n", read_bytes); - efree(buffer); - buffer = NULL; - } else { - buffer[read_bytes] = '\0'; - size = read_bytes; - } - } - } - - if (buffer && size > 0) { - char output_path[PATH_MAX]; - snprintf(output_path, sizeof(output_path), "/tmp/dump_install_%ld.dec.php", time(NULL)); - - FILE *out = fopen(output_path, "wb"); - if (out) { - fwrite(buffer, 1, size, out); - fclose(out); - fprintf(stderr, "[dump] saved to: %s (%zu bytes)\n", output_path, size); - - // ✅ 打印内容预览（前200字节） - fprintf(stderr, "[preview] %.200s\n", buffer); - } else { - fprintf(stderr, "[error] failed to open output file: %s\n", output_path); - } - - efree(buffer); + if (size > 0 && size < 100 * 1024 * 1024) { + buffer = emalloc(size + 1); + if (fread(buffer, 1, size, fp) == size) { + buffer[size] = '\0'; } else { - fprintf(stderr, "[skip] buffer is NULL or size = 0\n"); + efree(buffer); + buffer = NULL; } - } else { - fprintf(stderr, "[warn] file_handle->filename is NULL\n"); } - } else { - fprintf(stderr, "[warn] file_handle is NULL\n"); + } else if (file_handle->type == ZEND_HANDLE_STREAM && file_handle->handle.stream.handle) { + php_stream *stream = (php_stream *)file_handle->handle.stream.handle; + php_stream_seek(stream, 0, SEEK_END); + size = php_stream_tell(stream); + php_stream_seek(stream, 0, SEEK_SET); + + if (size > 0 && size < 100 * 1024 * 1024) { + buffer = emalloc(size + 1); + size_t read_bytes = php_stream_read(stream, buffer, size); + if (read_bytes > 0) { + buffer[read_bytes] = '\0'; + size = read_bytes; + } else { + efree(buffer); + buffer = NULL; + } + } + } + + if (buffer && size > 0) { + char output_path[PATH_MAX]; + snprintf(output_path, sizeof(output_path), "/tmp/dump_install_%ld.dec.php", time(NULL)); + FILE *out = fopen(output_path, "wb"); + if (out) { + fwrite(buffer, 1, size, out); + fclose(out); + fprintf(stderr, "[dec_interceptor] dumped to: %s (%zu bytes)\n", output_path, size); + } else { + fprintf(stderr, "[dec_interceptor] failed to open output: %s\n", output_path); + } + efree(buffer); } return original_compile_file(file_handle, type); } - PHP_MINIT_FUNCTION(dec_interceptor) { original_compile_file = zend_compile_file; zend_compile_file = custom_compile_file; - fprintf(stderr, "[init] dec_interceptor loaded\n"); return SUCCESS; } PHP_MSHUTDOWN_FUNCTION(dec_interceptor) { zend_compile_file = original_compile_file; - fprintf(stderr, "[shutdown] dec_interceptor unloaded\n"); return SUCCESS; } @@ -128,7 +104,7 @@ zend_module_entry dec_interceptor_module_entry = { NULL, NULL, PHP_MINFO(dec_interceptor), - "0.1", + PHP_DEC_INTERCEPTOR_VERSION, STANDARD_MODULE_PROPERTIES };