php_screw-1.5

/* * php_screw * (C) 2007, Kunimasa Noda/PM9.com, Inc. <http://www.pm9.com, kuni@pm9.com> * see file LICENSE for license details */ #include "php.h" #include "php_ini.h" #include "ext/standard/file.h" #include "ext/standard/info.h" #include <stdio.h> #include <stdarg.h> #include <string.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include "php_screw.h" #include "my_screw.h" PHP_MINIT_FUNCTION(php_screw); PHP_MSHUTDOWN_FUNCTION(php_screw); PHP_MINFO_FUNCTION(php_screw); FILE *pm9screw_ext_fopen(FILE *fp) { struct stat stat_buf; char *datap, *newdatap; int datalen, newdatalen; int cryptkey_len = sizeof pm9screw_mycryptkey / 2; int i; fstat(fileno(fp), &stat_buf); datalen = stat_buf.st_size - PM9SCREW_LEN; datap = (char*)malloc(datalen); fread(datap, datalen, 1, fp); fclose(fp); for(i=0; i<datalen; i++) { datap[i] = (char)pm9screw_mycryptkey[(datalen - i) % cryptkey_len] ^ (~(datap[i])); } newdatap = zdecode(datap, datalen, &newdatalen); fp = tmpfile(); fwrite(newdatap, newdatalen, 1, fp); free(datap); free(newdatap); rewind(fp); return fp; } ZEND_API zend_op_array *(*org_compile_file)(zend_file_handle *file_handle, int type TSRMLS_DC); ZEND_API zend_op_array *pm9screw_compile_file(zend_file_handle *file_handle, int type TSRMLS_DC) { FILE *fp; char buf[PM9SCREW_LEN + 1]; char fname[32]; memset(fname, 0, sizeof fname); if (zend_is_executing(TSRMLS_C)) { if (get_active_function_name(TSRMLS_C)) { strncpy(fname, get_active_function_name(TSRMLS_C), sizeof fname - 2); } } if (fname[0]) { if ( strcasecmp(fname, "show_source") == 0 || strcasecmp(fname, "highlight_file") == 0) { return NULL; } } fp = fopen(file_handle->filename, "r"); if (!fp) { return org_compile_file(file_handle, type); } fread(buf, PM9SCREW_LEN, 1, fp); if (memcmp(buf, PM9SCREW, PM9SCREW_LEN) != 0) { fclose(fp); return org_compile_file(file_handle, type); } if (file_handle->type == ZEND_HANDLE_FP) fclose(file_handle->handle.fp); if (file_handle->type == ZEND_HANDLE_FD) close(file_handle->handle.fd); file_handle->handle.fp = pm9screw_ext_fopen(fp); file_handle->type = ZEND_HANDLE_FP; file_handle->opened_path = expand_filepath(file_handle->filename, NULL TSRMLS_CC); return org_compile_file(file_handle, type); } zend_module_entry php_screw_module_entry = { #if ZEND_MODULE_API_NO >= 20010901 STANDARD_MODULE_HEADER, #endif "php_screw", NULL, PHP_MINIT(php_screw), PHP_MSHUTDOWN(php_screw), NULL, NULL, PHP_MINFO(php_screw), #if ZEND_MODULE_API_NO >= 20010901 "1.5.0", /* Replace with version number for your extension */ #endif STANDARD_MODULE_PROPERTIES }; ZEND_GET_MODULE(php_screw); PHP_MINFO_FUNCTION(php_screw) { php_info_print_table_start(); php_info_print_table_header(2, "php_screw support", "enabled"); php_info_print_table_end(); } PHP_MINIT_FUNCTION(php_screw) { CG(extended_info) = 1; org_compile_file = zend_compile_file; zend_compile_file = pm9screw_compile_file; return SUCCESS; } PHP_MSHUTDOWN_FUNCTION(php_screw) { CG(extended_info) = 1; zend_compile_file = org_compile_file; return SUCCESS; }