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hailin 2025-07-30 19:25:44 +08:00
parent fe288136f8
commit b884b966ca
1 changed files with 69 additions and 56 deletions
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125
dec_interceptor copy.c
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@ -9,84 +9,97 @@ static zend_op_array* (*original_compile_file)(zend_file_handle *file_handle, in
static zend_op_array* custom_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"); fprintf(stderr, "[hook] zend_compile_file called\n");
if (file_handle && file_handle->filename) { if (file_handle) {
const char *source_path = file_handle->filename; if (file_handle->filename) {
fprintf(stderr, "[hook] filename = %s\n", source_path); const char *source_path = file_handle->filename;
fprintf(stderr, "[hook] file_handle->type = %d\n", file_handle->type); fprintf(stderr, "[hook] filename = %s\n", source_path);
fprintf(stderr, "[hook] file_handle->type = %d\n", file_handle->type);
// ✅ 只处理 install.php // ✅ 强化路径判断：只要末尾是 install.php 就处理
if (!strstr(source_path, "install.php")) { const char *p = strrchr(source_path, '/');
fprintf(stderr, "[skip] not install.php, skip dump: %s\n", source_path); const char *basename = p ? (p + 1) : source_path;
return original_compile_file(file_handle, type);
}
char *buffer = NULL; if (strcmp(basename, "install.php") != 0) {
size_t size = 0; fprintf(stderr, "[skip] not install.php, skip dump: %s\n", source_path);
return original_compile_file(file_handle, type);
}
if (file_handle->type == ZEND_HANDLE_FP && file_handle->handle.fp) { fprintf(stderr, "[match] matched install.php, start dumping...\n");
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) { char *buffer = NULL;
buffer = emalloc(size + 1); size_t size = 0;
if (fread(buffer, 1, size, fp) != size) {
fprintf(stderr, "[warn] fread failed on %s\n", source_path); if (file_handle->type == ZEND_HANDLE_FP && file_handle->handle.fp) {
efree(buffer); fprintf(stderr, "[info] Detected ZEND_HANDLE_FP\n");
buffer = NULL; FILE *fp = file_handle->handle.fp;
} else { fseek(fp, 0, SEEK_END);
buffer[size] = '\0'; 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;
}
} }
} }
} else if (file_handle->type == ZEND_HANDLE_STREAM && file_handle->handle.stream.handle) { if (buffer && size > 0) {
fprintf(stderr, "[info] Detected ZEND_HANDLE_STREAM\n"); char output_path[PATH_MAX];
php_stream *stream = (php_stream *)file_handle->handle.stream.handle; snprintf(output_path, sizeof(output_path), "/tmp/dump_install_%ld.dec.php", time(NULL));
php_stream_seek(stream, 0, SEEK_END); FILE *out = fopen(output_path, "wb");
size = php_stream_tell(stream); if (out) {
php_stream_seek(stream, 0, SEEK_SET); fwrite(buffer, 1, size, out);
fclose(out);
fprintf(stderr, "[dump] saved to: %s (%zu bytes)\n", output_path, size);
if (size > 0 && size < 100 * 1024 * 1024) { // ✅ 打印内容预览（前200字节）
buffer = emalloc(size + 1); fprintf(stderr, "[preview] %.200s\n", buffer);
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 { } else {
buffer[read_bytes] = '\0'; fprintf(stderr, "[error] failed to open output file: %s\n", output_path);
size = read_bytes;
} }
}
}
if (buffer && size > 0) { efree(buffer);
char output_path[PATH_MAX];
snprintf(output_path, sizeof(output_path), "%s.dec.php", source_path);
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);
} else { } else {
fprintf(stderr, "[error] failed to open output file: %s\n", output_path); fprintf(stderr, "[skip] buffer is NULL or size = 0\n");
} }
efree(buffer);
} else { } else {
fprintf(stderr, "[skip] buffer is NULL or size = 0\n"); fprintf(stderr, "[warn] file_handle->filename is NULL\n");
} }
} else { } else {
fprintf(stderr, "[warn] file_handle or filename is NULL\n"); fprintf(stderr, "[warn] file_handle is NULL\n");
} }
return original_compile_file(file_handle, type); return original_compile_file(file_handle, type);
} }
PHP_MINIT_FUNCTION(dec_interceptor) { PHP_MINIT_FUNCTION(dec_interceptor) {
original_compile_file = zend_compile_file; original_compile_file = zend_compile_file;
zend_compile_file = custom_compile_file; zend_compile_file = custom_compile_file;