diff options
Diffstat (limited to 'sapi/phpdbg/phpdbg.c')
| -rw-r--r-- | sapi/phpdbg/phpdbg.c | 1699 |
1 files changed, 1699 insertions, 0 deletions
diff --git a/sapi/phpdbg/phpdbg.c b/sapi/phpdbg/phpdbg.c new file mode 100644 index 0000000000..9c56b1d7bc --- /dev/null +++ b/sapi/phpdbg/phpdbg.c @@ -0,0 +1,1699 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 5 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2014 The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 3.01 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available through the world-wide-web at the following url: | + | http://www.php.net/license/3_01.txt | + | If you did not receive a copy of the PHP license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@php.net so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Authors: Felipe Pena <felipe@php.net> | + | Authors: Joe Watkins <joe.watkins@live.co.uk> | + | Authors: Bob Weinand <bwoebi@php.net> | + +----------------------------------------------------------------------+ +*/ + +#if !defined(ZEND_SIGNALS) || defined(_WIN32) +# include <signal.h> +#endif +#include "phpdbg.h" +#include "phpdbg_prompt.h" +#include "phpdbg_bp.h" +#include "phpdbg_break.h" +#include "phpdbg_list.h" +#include "phpdbg_utils.h" +#include "phpdbg_set.h" +#include "phpdbg_io.h" +#include "zend_alloc.h" +#include "phpdbg_eol.h" + +/* {{{ remote console headers */ +#ifndef _WIN32 +# include <sys/socket.h> +# include <sys/select.h> +# include <sys/time.h> +# include <sys/types.h> +# include <sys/poll.h> +# include <netinet/in.h> +# include <unistd.h> +# include <arpa/inet.h> +#endif /* }}} */ + +ZEND_DECLARE_MODULE_GLOBALS(phpdbg); +int phpdbg_startup_run = 0; + +static PHP_INI_MH(OnUpdateEol) +{ + if (!new_value) { + return FAILURE; + } + + return phpdbg_eol_global_update(new_value TSRMLS_CC); +} + +PHP_INI_BEGIN() + STD_PHP_INI_ENTRY("phpdbg.path", "", PHP_INI_SYSTEM | PHP_INI_PERDIR, OnUpdateString, socket_path, zend_phpdbg_globals, phpdbg_globals) + STD_PHP_INI_ENTRY("phpdbg.eol", "2", PHP_INI_ALL, OnUpdateEol, socket_path, zend_phpdbg_globals, phpdbg_globals) +PHP_INI_END() + +static zend_bool phpdbg_booted = 0; + +#if PHP_VERSION_ID >= 50500 +void (*zend_execute_old)(zend_execute_data *execute_data TSRMLS_DC); +#else +void (*zend_execute_old)(zend_op_array *op_array TSRMLS_DC); +#endif + +static inline void php_phpdbg_globals_ctor(zend_phpdbg_globals *pg) /* {{{ */ +{ + pg->prompt[0] = NULL; + pg->prompt[1] = NULL; + + pg->colors[0] = NULL; + pg->colors[1] = NULL; + pg->colors[2] = NULL; + + pg->exec = NULL; + pg->exec_len = 0; + pg->buffer = NULL; + pg->last_was_newline = 1; + pg->ops = NULL; + pg->vmret = 0; + pg->bp_count = 0; + pg->flags = PHPDBG_DEFAULT_FLAGS; + pg->oplog = NULL; + memset(pg->io, 0, sizeof(pg->io)); + pg->frame.num = 0; + pg->sapi_name_ptr = NULL; + pg->socket_fd = -1; + pg->socket_server_fd = -1; + + pg->req_id = 0; + pg->err_buf.active = 0; + pg->err_buf.type = 0; + + pg->input_buflen = 0; + pg->sigsafe_mem.mem = NULL; + pg->sigsegv_bailout = NULL; + +#ifdef PHP_WIN32 + pg->sigio_watcher_thread = INVALID_HANDLE_VALUE; + memset(&pg->swd, 0, sizeof(struct win32_sigio_watcher_data)); +#endif + + pg->eol = PHPDBG_EOL_LF; +} /* }}} */ + +static PHP_MINIT_FUNCTION(phpdbg) /* {{{ */ +{ + ZEND_INIT_MODULE_GLOBALS(phpdbg, php_phpdbg_globals_ctor, NULL); + REGISTER_INI_ENTRIES(); + +#if PHP_VERSION_ID >= 50500 + zend_execute_old = zend_execute_ex; + zend_execute_ex = phpdbg_execute_ex; +#else + zend_execute_old = zend_execute; + zend_execute = phpdbg_execute_ex; +#endif + + REGISTER_STRINGL_CONSTANT("PHPDBG_VERSION", PHPDBG_VERSION, sizeof(PHPDBG_VERSION)-1, CONST_CS|CONST_PERSISTENT); + + REGISTER_LONG_CONSTANT("PHPDBG_FILE", FILE_PARAM, CONST_CS|CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("PHPDBG_METHOD", METHOD_PARAM, CONST_CS|CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("PHPDBG_LINENO", NUMERIC_PARAM, CONST_CS|CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("PHPDBG_FUNC", STR_PARAM, CONST_CS|CONST_PERSISTENT); + + REGISTER_LONG_CONSTANT("PHPDBG_COLOR_PROMPT", PHPDBG_COLOR_PROMPT, CONST_CS|CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("PHPDBG_COLOR_NOTICE", PHPDBG_COLOR_NOTICE, CONST_CS|CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("PHPDBG_COLOR_ERROR", PHPDBG_COLOR_ERROR, CONST_CS|CONST_PERSISTENT); + + return SUCCESS; +} /* }}} */ + +static void php_phpdbg_destroy_bp_file(void *brake) /* {{{ */ +{ + zend_hash_destroy((HashTable*)brake); +} /* }}} */ + +static void php_phpdbg_destroy_bp_symbol(void *brake) /* {{{ */ +{ + efree((char*)((phpdbg_breaksymbol_t*)brake)->symbol); +} /* }}} */ + +static void php_phpdbg_destroy_bp_opcode(void *brake) /* {{{ */ +{ + efree((char*)((phpdbg_breakop_t*)brake)->name); +} /* }}} */ + + +static void php_phpdbg_destroy_bp_methods(void *brake) /* {{{ */ +{ + zend_hash_destroy((HashTable*)brake); +} /* }}} */ + +static void php_phpdbg_destroy_bp_condition(void *data) /* {{{ */ +{ + phpdbg_breakcond_t *brake = (phpdbg_breakcond_t*) data; + + if (brake) { + if (brake->ops) { + TSRMLS_FETCH(); + + destroy_op_array( + brake->ops TSRMLS_CC); + efree(brake->ops); + } + efree((char*)brake->code); + } +} /* }}} */ + +static void php_phpdbg_destroy_registered(void *data) /* {{{ */ +{ + zend_function *function = (zend_function*) data; + TSRMLS_FETCH(); + + destroy_zend_function( + function TSRMLS_CC); +} /* }}} */ + + +static PHP_RINIT_FUNCTION(phpdbg) /* {{{ */ +{ + zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE], 8, NULL, php_phpdbg_destroy_bp_file, 0); + zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_PENDING], 8, NULL, php_phpdbg_destroy_bp_file, 0); + zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM], 8, NULL, php_phpdbg_destroy_bp_symbol, 0); + zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE], 8, NULL, php_phpdbg_destroy_bp_methods, 0); + zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE], 8, NULL, php_phpdbg_destroy_bp_methods, 0); + zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE], 8, NULL, php_phpdbg_destroy_bp_methods, 0); + zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], 8, NULL, NULL, 0); + zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_OPCODE], 8, NULL, php_phpdbg_destroy_bp_opcode, 0); + zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD], 8, NULL, php_phpdbg_destroy_bp_methods, 0); + zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_COND], 8, NULL, php_phpdbg_destroy_bp_condition, 0); + zend_hash_init(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP], 8, NULL, NULL, 0); + + zend_hash_init(&PHPDBG_G(seek), 8, NULL, NULL, 0); + zend_hash_init(&PHPDBG_G(registered), 8, NULL, php_phpdbg_destroy_registered, 0); + + return SUCCESS; +} /* }}} */ + +static PHP_RSHUTDOWN_FUNCTION(phpdbg) /* {{{ */ +{ + zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE]); + zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM]); + zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE]); + zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE]); + zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE]); + zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE]); + zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_OPCODE]); + zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD]); + zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_COND]); + zend_hash_destroy(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP]); + zend_hash_destroy(&PHPDBG_G(seek)); + zend_hash_destroy(&PHPDBG_G(file_sources)); + zend_hash_destroy(&PHPDBG_G(registered)); + zend_hash_destroy(&PHPDBG_G(watchpoints)); + zend_llist_destroy(&PHPDBG_G(watchlist_mem)); + + if (PHPDBG_G(buffer)) { + efree(PHPDBG_G(buffer)); + PHPDBG_G(buffer) = NULL; + } + + if (PHPDBG_G(exec)) { + efree(PHPDBG_G(exec)); + PHPDBG_G(exec) = NULL; + } + + if (PHPDBG_G(prompt)[0]) { + free(PHPDBG_G(prompt)[0]); + } + if (PHPDBG_G(prompt)[1]) { + free(PHPDBG_G(prompt)[1]); + } + + PHPDBG_G(prompt)[0] = NULL; + PHPDBG_G(prompt)[1] = NULL; + + if (PHPDBG_G(oplog)) { + fclose( + PHPDBG_G(oplog)); + PHPDBG_G(oplog) = NULL; + } + + if (PHPDBG_G(ops)) { + destroy_op_array(PHPDBG_G(ops) TSRMLS_CC); + efree(PHPDBG_G(ops)); + PHPDBG_G(ops) = NULL; + } + + return SUCCESS; +} /* }}} */ + +/* {{{ proto mixed phpdbg_exec(string context) + Attempt to set the execution context for phpdbg + If the execution context was set previously it is returned + If the execution context was not set previously boolean true is returned + If the request to set the context fails, boolean false is returned, and an E_WARNING raised */ +static PHP_FUNCTION(phpdbg_exec) +{ + char *exec = NULL; + int exec_len = 0; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &exec, &exec_len) == FAILURE) { + return; + } + + { + struct stat sb; + zend_bool result = 1; + + if (VCWD_STAT(exec, &sb) != FAILURE) { + if (sb.st_mode & (S_IFREG|S_IFLNK)) { + if (PHPDBG_G(exec)) { + ZVAL_STRINGL(return_value, PHPDBG_G(exec), PHPDBG_G(exec_len), 1); + efree(PHPDBG_G(exec)); + result = 0; + } + + PHPDBG_G(exec) = estrndup(exec, exec_len); + PHPDBG_G(exec_len) = exec_len; + + if (result) + ZVAL_BOOL(return_value, 1); + } else { + zend_error( + E_WARNING, "Failed to set execution context (%s), not a regular file or symlink", exec); + ZVAL_BOOL(return_value, 0); + } + } else { + zend_error( + E_WARNING, "Failed to set execution context (%s) the file does not exist", exec); + + ZVAL_BOOL(return_value, 0); + } + } +} /* }}} */ + +/* {{{ proto void phpdbg_break_next() + instructs phpdbg to insert a breakpoint at the next opcode */ +static PHP_FUNCTION(phpdbg_break_next) +{ + if (zend_parse_parameters_none() != SUCCESS) { + return; + } else if (EG(current_execute_data) && EG(active_op_array)) { + zend_ulong opline_num = (EG(current_execute_data)->opline - + EG(active_op_array)->opcodes); + + phpdbg_set_breakpoint_opline_ex( + &EG(active_op_array)->opcodes[opline_num+1] TSRMLS_CC); + } +} /* }}} */ + +/* {{{ proto void phpdbg_break_file(string file, integer line) */ +static PHP_FUNCTION(phpdbg_break_file) +{ + char *file = NULL; + int flen = 0; + long line; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sl", &file, &flen, &line) == FAILURE) { + return; + } + + phpdbg_set_breakpoint_file(file, line TSRMLS_CC); +} /* }}} */ + +/* {{{ proto void phpdbg_break_method(string class, string method) */ +static PHP_FUNCTION(phpdbg_break_method) +{ + char *class = NULL, + *method = NULL; + int clen = 0, + mlen = 0; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &class, &clen, &method, &mlen) == FAILURE) { + return; + } + + phpdbg_set_breakpoint_method(class, method TSRMLS_CC); +} /* }}} */ + +/* {{{ proto void phpdbg_break_function(string function) */ +static PHP_FUNCTION(phpdbg_break_function) +{ + char *function = NULL; + int function_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &function, &function_len) == FAILURE) { + return; + } + + phpdbg_set_breakpoint_symbol(function, function_len TSRMLS_CC); +} /* }}} */ + +/* {{{ proto void phpdbg_clear(void) + instructs phpdbg to clear breakpoints */ +static PHP_FUNCTION(phpdbg_clear) +{ + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_PENDING]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_COND]); +} /* }}} */ + +/* {{{ proto void phpdbg_color(integer element, string color) */ +static PHP_FUNCTION(phpdbg_color) +{ + long element = 0L; + char *color = NULL; + size_t color_len = 0; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ls", &element, &color, &color_len) == FAILURE) { + return; + } + + switch (element) { + case PHPDBG_COLOR_NOTICE: + case PHPDBG_COLOR_ERROR: + case PHPDBG_COLOR_PROMPT: + phpdbg_set_color_ex(element, color, color_len TSRMLS_CC); + break; + + default: zend_error(E_ERROR, "phpdbg detected an incorrect color constant"); + } +} /* }}} */ + +/* {{{ proto void phpdbg_prompt(string prompt) */ +static PHP_FUNCTION(phpdbg_prompt) +{ + char *prompt = NULL; + size_t prompt_len = 0; + + if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &prompt, &prompt_len) == FAILURE) { + return; + } + + phpdbg_set_prompt(prompt TSRMLS_CC); +} /* }}} */ + +ZEND_BEGIN_ARG_INFO_EX(phpdbg_break_next_arginfo, 0, 0, 0) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(phpdbg_break_file_arginfo, 0, 0, 2) + ZEND_ARG_INFO(0, file) + ZEND_ARG_INFO(0, line) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(phpdbg_break_method_arginfo, 0, 0, 2) + ZEND_ARG_INFO(0, class) + ZEND_ARG_INFO(0, method) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(phpdbg_break_function_arginfo, 0, 0, 1) + ZEND_ARG_INFO(0, function) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(phpdbg_color_arginfo, 0, 0, 0) + ZEND_ARG_INFO(0, element) + ZEND_ARG_INFO(0, color) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(phpdbg_prompt_arginfo, 0, 0, 0) + ZEND_ARG_INFO(0, string) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(phpdbg_exec_arginfo, 0, 0, 0) + ZEND_ARG_INFO(0, context) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(phpdbg_clear_arginfo, 0, 0, 0) +ZEND_END_ARG_INFO() + +zend_function_entry phpdbg_user_functions[] = { + PHP_FE(phpdbg_clear, phpdbg_clear_arginfo) + PHP_FE(phpdbg_break_next, phpdbg_break_next_arginfo) + PHP_FE(phpdbg_break_file, phpdbg_break_file_arginfo) + PHP_FE(phpdbg_break_method, phpdbg_break_method_arginfo) + PHP_FE(phpdbg_break_function, phpdbg_break_function_arginfo) + PHP_FE(phpdbg_exec, phpdbg_exec_arginfo) + PHP_FE(phpdbg_color, phpdbg_color_arginfo) + PHP_FE(phpdbg_prompt, phpdbg_prompt_arginfo) +#ifdef PHP_FE_END + PHP_FE_END +#else + {NULL,NULL,NULL} +#endif +}; + +static zend_module_entry sapi_phpdbg_module_entry = { + STANDARD_MODULE_HEADER, + PHPDBG_NAME, + phpdbg_user_functions, + PHP_MINIT(phpdbg), + NULL, + PHP_RINIT(phpdbg), + PHP_RSHUTDOWN(phpdbg), + NULL, + PHPDBG_VERSION, + STANDARD_MODULE_PROPERTIES +}; + +static inline int php_sapi_phpdbg_module_startup(sapi_module_struct *module) /* {{{ */ +{ + if (php_module_startup(module, &sapi_phpdbg_module_entry, 1) == FAILURE) { + return FAILURE; + } + + phpdbg_booted=1; + + return SUCCESS; +} /* }}} */ + +static char* php_sapi_phpdbg_read_cookies(TSRMLS_D) /* {{{ */ +{ + return NULL; +} /* }}} */ + +static int php_sapi_phpdbg_header_handler(sapi_header_struct *h, sapi_header_op_enum op, sapi_headers_struct *s TSRMLS_DC) /* {{{ */ +{ + return 0; +} +/* }}} */ + +static int php_sapi_phpdbg_send_headers(sapi_headers_struct *sapi_headers TSRMLS_DC) /* {{{ */ +{ + /* We do nothing here, this function is needed to prevent that the fallback + * header handling is called. */ + return SAPI_HEADER_SENT_SUCCESSFULLY; +} +/* }}} */ + +static void php_sapi_phpdbg_send_header(sapi_header_struct *sapi_header, void *server_context TSRMLS_DC) /* {{{ */ +{ +} +/* }}} */ + +static void php_sapi_phpdbg_log_message(char *message TSRMLS_DC) /* {{{ */ +{ + /* + * We must not request TSRM before being boot + */ + if (phpdbg_booted) { + if (PHPDBG_G(flags) & PHPDBG_IN_EVAL) { + phpdbg_error("eval", "msg=\"%s\"", "%s", message); + return; + } + + phpdbg_error("php", "msg=\"%s\"", "%s", message); + + switch (PG(last_error_type)) { + case E_ERROR: + case E_CORE_ERROR: + case E_COMPILE_ERROR: + case E_USER_ERROR: + case E_PARSE: + case E_RECOVERABLE_ERROR: + phpdbg_list_file(zend_get_executed_filename(TSRMLS_C), 3, zend_get_executed_lineno(TSRMLS_C)-1, zend_get_executed_lineno(TSRMLS_C) TSRMLS_CC); + + do { + switch (phpdbg_interactive(1 TSRMLS_CC)) { + case PHPDBG_LEAVE: + case PHPDBG_FINISH: + case PHPDBG_UNTIL: + case PHPDBG_NEXT: + return; + } + } while (!(PHPDBG_G(flags) & PHPDBG_IS_STOPPING)); + + } + } else fprintf(stdout, "%s\n", message); +} +/* }}} */ + +static int php_sapi_phpdbg_deactivate(TSRMLS_D) /* {{{ */ +{ + if ((PHPDBG_G(flags) & PHPDBG_IS_STOPPING) == PHPDBG_IS_CLEANING) { + zend_phpdbg_globals *pg = PHPDBG_G(backup) = calloc(1, sizeof(zend_phpdbg_globals)); + + php_phpdbg_globals_ctor(pg); + + pg->exec = strndup(PHPDBG_G(exec), PHPDBG_G(exec_len)); + pg->exec_len = PHPDBG_G(exec_len); + pg->oplog = PHPDBG_G(oplog); + pg->prompt[0] = PHPDBG_G(prompt)[0]; + pg->prompt[1] = PHPDBG_G(prompt)[1]; + memcpy(pg->colors, PHPDBG_G(colors), sizeof(pg->colors)); + pg->eol = PHPDBG_G(eol); + pg->flags = PHPDBG_G(flags) & PHPDBG_PRESERVE_FLAGS_MASK; + } + + fflush(stdout); + if(SG(request_info).argv0) { + free(SG(request_info).argv0); + SG(request_info).argv0 = NULL; + } + + return SUCCESS; +} +/* }}} */ + +static void php_sapi_phpdbg_register_vars(zval *track_vars_array TSRMLS_DC) /* {{{ */ +{ + unsigned int len; + char *docroot = ""; + + /* In phpdbg mode, we consider the environment to be a part of the server variables + */ + php_import_environment_variables(track_vars_array TSRMLS_CC); + + if (PHPDBG_G(exec)) { + len = PHPDBG_G(exec_len); + if (sapi_module.input_filter(PARSE_SERVER, "PHP_SELF", + &PHPDBG_G(exec), PHPDBG_G(exec_len), &len TSRMLS_CC)) { + php_register_variable("PHP_SELF", PHPDBG_G(exec), + track_vars_array TSRMLS_CC); + } + if (sapi_module.input_filter(PARSE_SERVER, "SCRIPT_NAME", + &PHPDBG_G(exec), PHPDBG_G(exec_len), &len TSRMLS_CC)) { + php_register_variable("SCRIPT_NAME", PHPDBG_G(exec), + track_vars_array TSRMLS_CC); + } + + if (sapi_module.input_filter(PARSE_SERVER, "SCRIPT_FILENAME", + &PHPDBG_G(exec), PHPDBG_G(exec_len), &len TSRMLS_CC)) { + php_register_variable("SCRIPT_FILENAME", PHPDBG_G(exec), + track_vars_array TSRMLS_CC); + } + if (sapi_module.input_filter(PARSE_SERVER, "PATH_TRANSLATED", + &PHPDBG_G(exec), PHPDBG_G(exec_len), &len TSRMLS_CC)) { + php_register_variable("PATH_TRANSLATED", PHPDBG_G(exec), + track_vars_array TSRMLS_CC); + } + } + + /* any old docroot will doo */ + len = 0U; + if (sapi_module.input_filter(PARSE_SERVER, "DOCUMENT_ROOT", + &docroot, len, &len TSRMLS_CC)) { + php_register_variable("DOCUMENT_ROOT", docroot, track_vars_array TSRMLS_CC); + } +} +/* }}} */ + +static inline int php_sapi_phpdbg_ub_write(const char *message, unsigned int length TSRMLS_DC) /* {{{ */ +{ + if (PHPDBG_G(socket_fd) != -1 && !(PHPDBG_G(flags) & PHPDBG_IS_INTERACTIVE)) { + send(PHPDBG_G(socket_fd), message, length, 0); + } + return phpdbg_script(P_STDOUT, "%.*s", length, message); +} /* }}} */ + +/* beginning of struct, see main/streams/plain_wrapper.c line 111 */ +typedef struct { + FILE *file; + int fd; +} php_stdio_stream_data; + +static size_t phpdbg_stdiop_write(php_stream *stream, const char *buf, size_t count TSRMLS_DC) { + php_stdio_stream_data *data = (php_stdio_stream_data*)stream->abstract; + + while (data->fd >= 0) { + struct stat stat[3]; + memset(stat, 0, sizeof(stat)); + if (((fstat(fileno(stderr), &stat[2]) < 0) & (fstat(fileno(stdout), &stat[0]) < 0)) | (fstat(data->fd, &stat[1]) < 0)) { + break; + } + + if (stat[0].st_dev == stat[1].st_dev && stat[0].st_ino == stat[1].st_ino) { + phpdbg_script(P_STDOUT, "%.*s", (int) count, buf); + return count; + } + if (stat[2].st_dev == stat[1].st_dev && stat[2].st_ino == stat[1].st_ino) { + phpdbg_script(P_STDERR, "%.*s", (int) count, buf); + return count; + } + break; + } + + return PHPDBG_G(php_stdiop_write)(stream, buf, count TSRMLS_CC); +} + +#if PHP_VERSION_ID >= 50700 +static inline void php_sapi_phpdbg_flush(void *context TSRMLS_DC) /* {{{ */ +{ +#else +static inline void php_sapi_phpdbg_flush(void *context) /* {{{ */ +{ + TSRMLS_FETCH(); +#endif + + if (!phpdbg_active_sigsafe_mem(TSRMLS_C)) { + fflush(PHPDBG_G(io)[PHPDBG_STDOUT].ptr); + } +} /* }}} */ + +/* copied from sapi/cli/php_cli.c cli_register_file_handles */ +static void phpdbg_register_file_handles(TSRMLS_D) /* {{{ */ +{ + zval *zin, *zout, *zerr; + php_stream *s_in, *s_out, *s_err; + php_stream_context *sc_in=NULL, *sc_out=NULL, *sc_err=NULL; + zend_constant ic, oc, ec; + + MAKE_STD_ZVAL(zin); + MAKE_STD_ZVAL(zout); + MAKE_STD_ZVAL(zerr); + + s_in = php_stream_open_wrapper_ex("php://stdin", "rb", 0, NULL, sc_in); + s_out = php_stream_open_wrapper_ex("php://stdout", "wb", 0, NULL, sc_out); + s_err = php_stream_open_wrapper_ex("php://stderr", "wb", 0, NULL, sc_err); + + if (s_in==NULL || s_out==NULL || s_err==NULL) { + FREE_ZVAL(zin); + FREE_ZVAL(zout); + FREE_ZVAL(zerr); + if (s_in) php_stream_close(s_in); + if (s_out) php_stream_close(s_out); + if (s_err) php_stream_close(s_err); + return; + } + +#if PHP_DEBUG + /* do not close stdout and stderr */ + s_out->flags |= PHP_STREAM_FLAG_NO_CLOSE; + s_err->flags |= PHP_STREAM_FLAG_NO_CLOSE; +#endif + + php_stream_to_zval(s_in, zin); + php_stream_to_zval(s_out, zout); + php_stream_to_zval(s_err, zerr); + + ic.value = *zin; + ic.flags = CONST_CS; + ic.name = zend_strndup(ZEND_STRL("STDIN")); + ic.name_len = sizeof("STDIN"); + ic.module_number = 0; + zend_register_constant(&ic TSRMLS_CC); + + oc.value = *zout; + oc.flags = CONST_CS; + oc.name = zend_strndup(ZEND_STRL("STDOUT")); + oc.name_len = sizeof("STDOUT"); + oc.module_number = 0; + zend_register_constant(&oc TSRMLS_CC); + + ec.value = *zerr; + ec.flags = CONST_CS; + ec.name = zend_strndup(ZEND_STRL("STDERR")); + ec.name_len = sizeof("STDERR"); + ec.module_number = 0; + zend_register_constant(&ec TSRMLS_CC); + + FREE_ZVAL(zin); + FREE_ZVAL(zout); + FREE_ZVAL(zerr); +} +/* }}} */ + +/* {{{ sapi_module_struct phpdbg_sapi_module +*/ +static sapi_module_struct phpdbg_sapi_module = { + "phpdbg", /* name */ + "phpdbg", /* pretty name */ + + php_sapi_phpdbg_module_startup, /* startup */ + php_module_shutdown_wrapper, /* shutdown */ + + NULL, /* activate */ + php_sapi_phpdbg_deactivate, /* deactivate */ + + php_sapi_phpdbg_ub_write, /* unbuffered write */ + php_sapi_phpdbg_flush, /* flush */ + NULL, /* get uid */ + NULL, /* getenv */ + + php_error, /* error handler */ + + php_sapi_phpdbg_header_handler, /* header handler */ + php_sapi_phpdbg_send_headers, /* send headers handler */ + php_sapi_phpdbg_send_header, /* send header handler */ + + NULL, /* read POST data */ + php_sapi_phpdbg_read_cookies, /* read Cookies */ + + php_sapi_phpdbg_register_vars, /* register server variables */ + php_sapi_phpdbg_log_message, /* Log message */ + NULL, /* Get request time */ + NULL, /* Child terminate */ + STANDARD_SAPI_MODULE_PROPERTIES +}; +/* }}} */ + +const opt_struct OPTIONS[] = { /* {{{ */ + {'c', 1, "ini path override"}, + {'d', 1, "define ini entry on command line"}, + {'n', 0, "no php.ini"}, + {'z', 1, "load zend_extension"}, + /* phpdbg options */ + {'q', 0, "no banner"}, + {'v', 0, "disable quietness"}, + {'s', 0, "enable stepping"}, + {'b', 0, "boring colours"}, + {'i', 1, "specify init"}, + {'I', 0, "ignore init"}, + {'O', 1, "opline log"}, + {'r', 0, "run"}, + {'E', 0, "step-through-eval"}, + {'S', 1, "sapi-name"}, + {'l', 1, "listen"}, + {'a', 1, "address-or-any"}, + {'x', 0, "xml output"}, + {'V', 0, "version"}, + {'-', 0, NULL} +}; /* }}} */ + +const char phpdbg_ini_hardcoded[] = +"html_errors=Off\n" +"register_argc_argv=On\n" +"implicit_flush=On\n" +"display_errors=Off\n" +"log_errors=On\n" +"max_execution_time=0\n" +"max_input_time=-1\n" +"error_log=\n" +"output_buffering=off\0"; + +/* overwriteable ini defaults must be set in phpdbg_ini_defaults() */ +#define INI_DEFAULT(name, value) \ + Z_SET_REFCOUNT(tmp, 0); \ + Z_UNSET_ISREF(tmp); \ + ZVAL_STRINGL(&tmp, zend_strndup(value, sizeof(value)-1), sizeof(value)-1, 0); \ + zend_hash_update(configuration_hash, name, sizeof(name), &tmp, sizeof(zval), NULL); + +void phpdbg_ini_defaults(HashTable *configuration_hash) /* {{{ */ +{ + zval tmp; + INI_DEFAULT("report_zend_debug", "0"); +} /* }}} */ + +static void phpdbg_welcome(zend_bool cleaning TSRMLS_DC) /* {{{ */ +{ + /* print blurb */ + if (!cleaning) { + phpdbg_xml("<intros>"); + phpdbg_notice("intro", "version=\"%s\"", "Welcome to phpdbg, the interactive PHP debugger, v%s", PHPDBG_VERSION); + phpdbg_writeln("intro", "help=\"help\"", "To get help using phpdbg type \"help\" and press enter"); + phpdbg_notice("intro", "report=\"%s\"", "Please report bugs to <%s>", PHPDBG_ISSUES); + phpdbg_xml("</intros>"); + } else if (phpdbg_startup_run == 0) { + if (!(PHPDBG_G(flags) & PHPDBG_WRITE_XML)) { + phpdbg_notice(NULL, NULL, "Clean Execution Environment"); + } + + phpdbg_write("cleaninfo", "classes=\"%d\" functions=\"%d\" constants=\"%d\" includes=\"%d\"", + "Classes %d\n" + "Functions %d\n" + "Constants %d\n" + "Includes %d\n", + zend_hash_num_elements(EG(class_table)), + zend_hash_num_elements(EG(function_table)), + zend_hash_num_elements(EG(zend_constants)), + zend_hash_num_elements(&EG(included_files))); + } +} /* }}} */ + +static inline void phpdbg_sigint_handler(int signo) /* {{{ */ +{ + TSRMLS_FETCH(); + + if (PHPDBG_G(flags) & PHPDBG_IS_INTERACTIVE) { + /* we quit remote consoles on recv SIGINT */ + if (PHPDBG_G(flags) & PHPDBG_IS_REMOTE) { + PHPDBG_G(flags) |= PHPDBG_IS_STOPPING; + zend_bailout(); + } + } else { + /* set signalled only when not interactive */ + if (!(PHPDBG_G(flags) & PHPDBG_IS_INTERACTIVE)) { + if (PHPDBG_G(flags) & PHPDBG_IS_SIGNALED) { + char mem[PHPDBG_SIGSAFE_MEM_SIZE + 1]; + + phpdbg_set_sigsafe_mem(mem TSRMLS_CC); + zend_try { + phpdbg_force_interruption(TSRMLS_C); + } zend_end_try() + phpdbg_clear_sigsafe_mem(TSRMLS_C); + return; + } + PHPDBG_G(flags) |= PHPDBG_IS_SIGNALED; + } + } +} /* }}} */ + + +static void phpdbg_remote_close(int socket, FILE *stream) { + if (socket >= 0) { + phpdbg_close_socket(socket); + } + + if (stream) { + fclose(stream); + } +} + +/* don't inline this, want to debug it easily, will inline when done */ +static int phpdbg_remote_init(const char* address, unsigned short port, int server, int *socket, FILE **stream TSRMLS_DC) { + phpdbg_remote_close(*socket, *stream); + + if (server < 0) { + phpdbg_rlog(fileno(stderr), "Initializing connection on %s:%u failed", address, port); + + return FAILURE; + } + + phpdbg_rlog(fileno(stderr), "accepting connections on %s:%u", address, port); + { + struct sockaddr_storage address; + socklen_t size = sizeof(address); + char buffer[20] = {0}; + /* XXX error checks */ + memset(&address, 0, size); + *socket = accept(server, (struct sockaddr *) &address, &size); + inet_ntop(AF_INET, &(((struct sockaddr_in *)&address)->sin_addr), buffer, sizeof(buffer)); + + phpdbg_rlog(fileno(stderr), "connection established from %s", buffer); + } + +#ifndef _WIN32 + dup2(*socket, fileno(stdout)); + dup2(*socket, fileno(stdin)); + + setbuf(stdout, NULL); + + *stream = fdopen(*socket, "r+"); + + phpdbg_set_async_io(*socket); +#endif + return SUCCESS; +} + +#ifndef _WIN32 +/* This function *strictly* assumes that SIGIO is *only* used on the remote connection stream */ +void phpdbg_sigio_handler(int sig, siginfo_t *info, void *context) /* {{{ */ +{ + int flags; + size_t newlen; + size_t i/*, last_nl*/; + TSRMLS_FETCH(); + +// if (!(info->si_band & POLLIN)) { +// return; /* Not interested in writeablility etc., just interested in incoming data */ +// } + + /* only non-blocking reading, avoid non-blocking writing */ + flags = fcntl(PHPDBG_G(io)[PHPDBG_STDIN].fd, F_GETFL, 0); + fcntl(PHPDBG_G(io)[PHPDBG_STDIN].fd, F_SETFL, flags | O_NONBLOCK); + + do { + char mem[PHPDBG_SIGSAFE_MEM_SIZE + 1]; + size_t off = 0; + + if ((newlen = recv(PHPDBG_G(io)[PHPDBG_STDIN].fd, mem, PHPDBG_SIGSAFE_MEM_SIZE, MSG_PEEK)) == (size_t) -1) { + break; + } + for (i = 0; i < newlen; i++) { + switch (mem[off + i]) { + case '\x03': /* ^C char */ + if (PHPDBG_G(flags) & PHPDBG_IS_INTERACTIVE) { + break; /* or quit ??? */ + } + if (PHPDBG_G(flags) & PHPDBG_IS_SIGNALED) { + phpdbg_set_sigsafe_mem(mem TSRMLS_CC); + zend_try { + phpdbg_force_interruption(TSRMLS_C); + } zend_end_try(); + phpdbg_clear_sigsafe_mem(TSRMLS_C); + break; + } + if (!(PHPDBG_G(flags) & PHPDBG_IS_INTERACTIVE)) { + PHPDBG_G(flags) |= PHPDBG_IS_SIGNALED; + } + break; +/* case '\n': + zend_llist_add_element(PHPDBG_G(stdin), strndup() + last_nl = PHPDBG_G(stdin_buf).len + i; + break; +*/ } + } + off += i; + } while (0); + + + fcntl(PHPDBG_G(io)[PHPDBG_STDIN].fd, F_SETFL, flags); +} /* }}} */ + +void phpdbg_signal_handler(int sig, siginfo_t *info, void *context) /* {{{ */ +{ + int is_handled = FAILURE; + TSRMLS_FETCH(); + + switch (sig) { + case SIGBUS: + case SIGSEGV: + if (PHPDBG_G(sigsegv_bailout)) { + LONGJMP(*PHPDBG_G(sigsegv_bailout), FAILURE); + } + is_handled = phpdbg_watchpoint_segfault_handler(info, context TSRMLS_CC); + if (is_handled == FAILURE) { +#ifdef ZEND_SIGNALS + zend_sigaction(sig, &PHPDBG_G(old_sigsegv_signal), NULL TSRMLS_CC); +#else + sigaction(sig, &PHPDBG_G(old_sigsegv_signal), NULL); +#endif + } + break; + } + +} /* }}} */ +#endif + +static inline zend_mm_heap *phpdbg_mm_get_heap() /* {{{ */ +{ + zend_mm_heap *mm_heap; + + TSRMLS_FETCH(); + + mm_heap = zend_mm_set_heap(NULL TSRMLS_CC); + zend_mm_set_heap(mm_heap TSRMLS_CC); + + return mm_heap; +} /* }}} */ + +void *phpdbg_malloc_wrapper(size_t size) /* {{{ */ +{ + return zend_mm_alloc(phpdbg_mm_get_heap(), size); +} /* }}} */ + +void phpdbg_free_wrapper(void *p) /* {{{ */ +{ + zend_mm_free(phpdbg_mm_get_heap(), p); +} /* }}} */ + +void *phpdbg_realloc_wrapper(void *ptr, size_t size) /* {{{ */ +{ + return zend_mm_realloc(phpdbg_mm_get_heap(), ptr, size); +} /* }}} */ + +int main(int argc, char **argv) /* {{{ */ +{ + sapi_module_struct *phpdbg = &phpdbg_sapi_module; + char *sapi_name; + char *ini_entries; + int ini_entries_len; + char **zend_extensions = NULL; + zend_ulong zend_extensions_len = 0L; + zend_bool ini_ignore; + char *ini_override; + char *exec = NULL; + char *init_file; + size_t init_file_len; + zend_bool init_file_default; + char *oplog_file; + size_t oplog_file_len; + zend_ulong flags; + char *php_optarg; + int php_optind, opt, show_banner = 1; + long cleaning = -1; + zend_bool remote = 0; + int step = 0; + zend_phpdbg_globals *settings = NULL; + +#ifdef _WIN32 + char *bp_tmp_file = NULL; +#else + char bp_tmp_file[] = "/tmp/phpdbg.XXXXXX"; +#endif + + char *address; + int listen = -1; + int server = -1; + int socket = -1; + FILE* stream = NULL; + +#ifdef ZTS + void ***tsrm_ls; +#endif + +#ifndef _WIN32 + struct sigaction sigio_struct; + struct sigaction signal_struct; + signal_struct.sa_sigaction = phpdbg_signal_handler; + signal_struct.sa_flags = SA_SIGINFO | SA_NODEFER; + sigio_struct.sa_sigaction = phpdbg_sigio_handler; + sigio_struct.sa_flags = SA_SIGINFO; +#endif + + address = strdup("127.0.0.1"); + +#ifdef PHP_WIN32 + _fmode = _O_BINARY; /* sets default for file streams to binary */ + setmode(_fileno(stdin), O_BINARY); /* make the stdio mode be binary */ + setmode(_fileno(stdout), O_BINARY); /* make the stdio mode be binary */ + setmode(_fileno(stderr), O_BINARY); /* make the stdio mode be binary */ +#endif + +#ifdef ZTS + tsrm_startup(1, 1, 0, NULL); + + tsrm_ls = ts_resource(0); +#endif + +phpdbg_main: + if (!cleaning) { + +#ifdef _WIN32 + bp_tmp_file = malloc(L_tmpnam); + + if (bp_tmp_file) { + if (!tmpnam(bp_tmp_file)) { + free(bp_tmp_file); + bp_tmp_file = NULL; + } + } + + if (!bp_tmp_file) { + phpdbg_error("tmpfile", "", "Unable to create temporary file"); + return 1; + } +#else + if (!mkstemp(bp_tmp_file)) { + memset(bp_tmp_file, 0, sizeof(bp_tmp_file)); + } +#endif + + } + ini_entries = NULL; + ini_entries_len = 0; + ini_ignore = 0; + ini_override = NULL; + zend_extensions = NULL; + zend_extensions_len = 0L; + init_file = NULL; + init_file_len = 0; + init_file_default = 1; + oplog_file = NULL; + oplog_file_len = 0; + flags = PHPDBG_DEFAULT_FLAGS; + php_optarg = NULL; + php_optind = 1; + opt = 0; + step = 0; + sapi_name = NULL; + if (settings) { + exec = settings->exec; + } + + while ((opt = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0, 2)) != -1) { + switch (opt) { + case 'r': + phpdbg_startup_run++; + break; + case 'n': + ini_ignore = 1; + break; + case 'c': + if (ini_override) { + free(ini_override); + } + ini_override = strdup(php_optarg); + break; + case 'd': { + int len = strlen(php_optarg); + char *val; + + if ((val = strchr(php_optarg, '='))) { + val++; + if (!isalnum(*val) && *val != '"' && *val != '\'' && *val != '\0') { + ini_entries = realloc(ini_entries, ini_entries_len + len + sizeof("\"\"\n\0")); + memcpy(ini_entries + ini_entries_len, php_optarg, (val - php_optarg)); + ini_entries_len += (val - php_optarg); + memcpy(ini_entries + ini_entries_len, "\"", 1); + ini_entries_len++; + memcpy(ini_entries + ini_entries_len, val, len - (val - php_optarg)); + ini_entries_len += len - (val - php_optarg); + memcpy(ini_entries + ini_entries_len, "\"\n\0", sizeof("\"\n\0")); + ini_entries_len += sizeof("\n\0\"") - 2; + } else { + ini_entries = realloc(ini_entries, ini_entries_len + len + sizeof("\n\0")); + memcpy(ini_entries + ini_entries_len, php_optarg, len); + memcpy(ini_entries + ini_entries_len + len, "\n\0", sizeof("\n\0")); + ini_entries_len += len + sizeof("\n\0") - 2; + } + } else { + ini_entries = realloc(ini_entries, ini_entries_len + len + sizeof("=1\n\0")); + memcpy(ini_entries + ini_entries_len, php_optarg, len); + memcpy(ini_entries + ini_entries_len + len, "=1\n\0", sizeof("=1\n\0")); + ini_entries_len += len + sizeof("=1\n\0") - 2; + } + } break; + + case 'z': + zend_extensions_len++; + if (zend_extensions) { + zend_extensions = realloc(zend_extensions, sizeof(char*) * zend_extensions_len); + } else zend_extensions = malloc(sizeof(char*) * zend_extensions_len); + zend_extensions[zend_extensions_len-1] = strdup(php_optarg); + break; + + /* begin phpdbg options */ + + case 'S': { /* set SAPI name */ + if (sapi_name) { + free(sapi_name); + } + sapi_name = strdup(php_optarg); + } break; + + case 'I': { /* ignore .phpdbginit */ + init_file_default = 0; + } break; + + case 'i': { /* set init file */ + if (init_file) { + free(init_file); + } + + init_file_len = strlen(php_optarg); + if (init_file_len) { + init_file = strdup(php_optarg); + } + } break; + + case 'O': { /* set oplog output */ + oplog_file_len = strlen(php_optarg); + if (oplog_file_len) { + oplog_file = strdup(php_optarg); + } + } break; + + case 'v': /* set quietness off */ + flags &= ~PHPDBG_IS_QUIET; + break; + + case 's': /* set stepping on */ + step = 1; + break; + + case 'E': /* stepping through eval on */ + flags |= PHPDBG_IS_STEPONEVAL; + break; + + case 'b': /* set colours off */ + flags &= ~PHPDBG_IS_COLOURED; + break; + + case 'q': /* hide banner */ + show_banner = 0; + break; + + /* if you pass a listen port, we will read and write on listen port */ + case 'l': /* set listen ports */ + if (sscanf(php_optarg, "%d", &listen) != 1) { + listen = 8000; + } + break; + + case 'a': { /* set bind address */ + free(address); + if (!php_optarg) { + address = strdup("*"); + } else address = strdup(php_optarg); + } break; + + case 'x': + flags |= PHPDBG_WRITE_XML; + break; + + case 'V': { + sapi_startup(phpdbg); + phpdbg->startup(phpdbg); + printf( + "phpdbg %s (built: %s %s)\nPHP %s, Copyright (c) 1997-2014 The PHP Group\n%s", + PHPDBG_VERSION, + __DATE__, + __TIME__, + PHP_VERSION, + get_zend_version() + ); + sapi_deactivate(TSRMLS_C); + sapi_shutdown(); + return 0; + } break; + } + } + + /* set exec if present on command line */ + if (!exec && (argc > php_optind) && (strcmp(argv[php_optind-1], "--") != SUCCESS)) { + if (strlen(argv[php_optind])) { + if (exec) { + free(exec); + } + exec = strdup(argv[php_optind]); + } + php_optind++; + } + + if (sapi_name) { + phpdbg->name = sapi_name; + } + + phpdbg->ini_defaults = phpdbg_ini_defaults; + phpdbg->phpinfo_as_text = 1; + phpdbg->php_ini_ignore_cwd = 1; + + sapi_startup(phpdbg); + + phpdbg->executable_location = argv[0]; + phpdbg->phpinfo_as_text = 1; + phpdbg->php_ini_ignore = ini_ignore; + phpdbg->php_ini_path_override = ini_override; + + if (ini_entries) { + ini_entries = realloc(ini_entries, ini_entries_len + sizeof(phpdbg_ini_hardcoded)); + memmove(ini_entries + sizeof(phpdbg_ini_hardcoded) - 2, ini_entries, ini_entries_len + 1); + memcpy(ini_entries, phpdbg_ini_hardcoded, sizeof(phpdbg_ini_hardcoded) - 2); + } else { + ini_entries = malloc(sizeof(phpdbg_ini_hardcoded)); + memcpy(ini_entries, phpdbg_ini_hardcoded, sizeof(phpdbg_ini_hardcoded)); + } + ini_entries_len += sizeof(phpdbg_ini_hardcoded) - 2; + + if (zend_extensions_len) { + zend_ulong zend_extension = 0L; + + while (zend_extension < zend_extensions_len) { + const char *ze = zend_extensions[zend_extension]; + size_t ze_len = strlen(ze); + + ini_entries = realloc( + ini_entries, ini_entries_len + (ze_len + (sizeof("zend_extension=\n")))); + memcpy(&ini_entries[ini_entries_len], "zend_extension=", (sizeof("zend_extension=\n")-1)); + ini_entries_len += (sizeof("zend_extension=")-1); + memcpy(&ini_entries[ini_entries_len], ze, ze_len); + ini_entries_len += ze_len; + memcpy(&ini_entries[ini_entries_len], "\n", (sizeof("\n") - 1)); + + free(zend_extensions[zend_extension]); + zend_extension++; + } + + free(zend_extensions); + } + + phpdbg->ini_entries = ini_entries; + + if (phpdbg->startup(phpdbg) == SUCCESS) { +#ifdef _WIN32 + EXCEPTION_POINTERS *xp; + __try { +#endif + zend_mm_heap *mm_heap; + + /* set flags from command line */ + PHPDBG_G(flags) = flags; + + if (settings) { +#ifdef ZTS + *((zend_phpdbg_globals *) (*((void ***) tsrm_ls))[TSRM_UNSHUFFLE_RSRC_ID(phpdbg_globals_id)]) = *settings; +#else + phpdbg_globals = *settings; +#endif + } + + /* setup remote server if necessary */ + if (cleaning <= 0 && listen > 0) { + server = phpdbg_open_socket(address, listen TSRMLS_CC); + if (-1 > server || phpdbg_remote_init(address, listen, server, &socket, &stream TSRMLS_CC) == FAILURE) { + exit(0); + } + +#ifndef _WIN32 + sigaction(SIGIO, &sigio_struct, NULL); +#endif + + /* set remote flag to stop service shutting down upon quit */ + remote = 1; + } + + mm_heap = phpdbg_mm_get_heap(); + + if (mm_heap->use_zend_alloc) { + mm_heap->_malloc = phpdbg_malloc_wrapper; + mm_heap->_realloc = phpdbg_realloc_wrapper; + mm_heap->_free = phpdbg_free_wrapper; + mm_heap->use_zend_alloc = 0; + } + + zend_activate(TSRMLS_C); + + phpdbg_init_list(TSRMLS_C); + + PHPDBG_G(original_free_function) = mm_heap->_free; + mm_heap->_free = phpdbg_watch_efree; + + phpdbg_setup_watchpoints(TSRMLS_C); + +#if defined(ZEND_SIGNALS) && !defined(_WIN32) + zend_try { + zend_signal_activate(TSRMLS_C); + } zend_end_try(); +#endif + +#if defined(ZEND_SIGNALS) && !defined(_WIN32) + zend_try { zend_sigaction(SIGSEGV, &signal_struct, &PHPDBG_G(old_sigsegv_signal) TSRMLS_CC); } zend_end_try(); + zend_try { zend_sigaction(SIGBUS, &signal_struct, &PHPDBG_G(old_sigsegv_signal) TSRMLS_CC); } zend_end_try(); +#elif !defined(_WIN32) + sigaction(SIGSEGV, &signal_struct, &PHPDBG_G(old_sigsegv_signal)); + sigaction(SIGBUS, &signal_struct, &PHPDBG_G(old_sigsegv_signal)); +#endif + + PHPDBG_G(sapi_name_ptr) = sapi_name; + + php_output_activate(TSRMLS_C); + php_output_deactivate(TSRMLS_C); + + php_output_activate(TSRMLS_C); + + if (php_request_startup(TSRMLS_C) == SUCCESS) { + int i; + + SG(request_info).argc = argc - php_optind + 1; + SG(request_info).argv = emalloc(SG(request_info).argc * sizeof(char *)); + for (i = SG(request_info).argc; --i;) { + SG(request_info).argv[i] = estrdup(argv[php_optind - 1 + i]); + } + SG(request_info).argv[i] = exec ? estrdup(exec) : estrdup(""); + + php_hash_environment(TSRMLS_C); + } + + /* do not install sigint handlers for remote consoles */ + /* sending SIGINT then provides a decent way of shutting down the server */ +#ifndef _WIN32 + if (listen < 0) { +#endif +#if defined(ZEND_SIGNALS) && !defined(_WIN32) + zend_try { zend_signal(SIGINT, phpdbg_sigint_handler TSRMLS_CC); } zend_end_try(); +#else + signal(SIGINT, phpdbg_sigint_handler); +#endif +#ifndef _WIN32 + } +#endif + + PG(modules_activated) = 0; + + /* setup io here */ + if (remote) { + PHPDBG_G(flags) |= PHPDBG_IS_REMOTE; +#ifndef _WIN32 + signal(SIGPIPE, SIG_IGN); +#endif + } + +#ifndef _WIN32 + PHPDBG_G(io)[PHPDBG_STDIN].ptr = stdin; + PHPDBG_G(io)[PHPDBG_STDIN].fd = fileno(stdin); + PHPDBG_G(io)[PHPDBG_STDOUT].ptr = stdout; + PHPDBG_G(io)[PHPDBG_STDOUT].fd = fileno(stdout); +#else + /* XXX this is a complete mess here with FILE/fd/SOCKET, + we should let only one to survive probably. Need + a clean separation whether it's a remote or local + prompt. And what is supposed to go as user interaction, + error log, etc. */ + if (remote) { + PHPDBG_G(io)[PHPDBG_STDIN].ptr = stdin; + PHPDBG_G(io)[PHPDBG_STDIN].fd = socket; + PHPDBG_G(io)[PHPDBG_STDOUT].ptr = stdout; + PHPDBG_G(io)[PHPDBG_STDOUT].fd = socket; + } else { + PHPDBG_G(io)[PHPDBG_STDIN].ptr = stdin; + PHPDBG_G(io)[PHPDBG_STDIN].fd = fileno(stdin); + PHPDBG_G(io)[PHPDBG_STDOUT].ptr = stdout; + PHPDBG_G(io)[PHPDBG_STDOUT].fd = fileno(stdout); + } +#endif + PHPDBG_G(io)[PHPDBG_STDERR].ptr = stderr; + PHPDBG_G(io)[PHPDBG_STDERR].fd = fileno(stderr); + +#ifndef _WIN32 + PHPDBG_G(php_stdiop_write) = php_stream_stdio_ops.write; + php_stream_stdio_ops.write = phpdbg_stdiop_write; +#endif + + if (exec) { /* set execution context */ + PHPDBG_G(exec) = phpdbg_resolve_path(exec TSRMLS_CC); + PHPDBG_G(exec_len) = strlen(exec); + + free(exec); + exec = NULL; + } + + if (oplog_file) { /* open oplog */ + PHPDBG_G(oplog) = fopen(oplog_file, "w+"); + if (!PHPDBG_G(oplog)) { + phpdbg_error("oplog", "path=\"%s\"", "Failed to open oplog %s", oplog_file); + } + free(oplog_file); + } + + /* set default colors */ + phpdbg_set_color_ex(PHPDBG_COLOR_PROMPT, PHPDBG_STRL("white-bold") TSRMLS_CC); + phpdbg_set_color_ex(PHPDBG_COLOR_ERROR, PHPDBG_STRL("red-bold") TSRMLS_CC); + phpdbg_set_color_ex(PHPDBG_COLOR_NOTICE, PHPDBG_STRL("green") TSRMLS_CC); + + /* set default prompt */ + phpdbg_set_prompt(PHPDBG_DEFAULT_PROMPT TSRMLS_CC); + + /* Make stdin, stdout and stderr accessible from PHP scripts */ + phpdbg_register_file_handles(TSRMLS_C); + + if (show_banner && cleaning < 2) { + /* print blurb */ + phpdbg_welcome(cleaning == 1 TSRMLS_CC); + } + + cleaning = -1; + + /* initialize from file */ + PHPDBG_G(flags) |= PHPDBG_IS_INITIALIZING; + zend_try { + phpdbg_init(init_file, init_file_len, init_file_default TSRMLS_CC); + PHPDBG_G(flags) |= PHPDBG_DISCARD_OUTPUT; + phpdbg_try_file_init(bp_tmp_file, strlen(bp_tmp_file), 0 TSRMLS_CC); + PHPDBG_G(flags) &= ~PHPDBG_DISCARD_OUTPUT; + } zend_end_try(); + PHPDBG_G(flags) &= ~PHPDBG_IS_INITIALIZING; + + /* quit if init says so */ + if (PHPDBG_G(flags) & PHPDBG_IS_QUITTING) { + goto phpdbg_out; + } + + /* auto compile */ + if (PHPDBG_G(exec)) { + if (settings) { + PHPDBG_G(flags) |= PHPDBG_DISCARD_OUTPUT; + } + phpdbg_compile(TSRMLS_C); + PHPDBG_G(flags) &= ~PHPDBG_DISCARD_OUTPUT; + } + + /* step from here, not through init */ + if (step) { + PHPDBG_G(flags) |= PHPDBG_IS_STEPPING; + } + + if (phpdbg_startup_run) { + zend_try { + PHPDBG_COMMAND_HANDLER(run)(NULL TSRMLS_CC); + } zend_end_try(); + if (phpdbg_startup_run > 1) { + /* if -r is on the command line more than once just quit */ + goto phpdbg_out; + } + phpdbg_startup_run = 0; + } + +phpdbg_interact: + /* phpdbg main() */ + do { + zend_try { + phpdbg_interactive(1 TSRMLS_CC); + } zend_catch { + if ((PHPDBG_G(flags) & PHPDBG_IS_CLEANING)) { + FILE *bp_tmp_fp = fopen(bp_tmp_file, "w"); + PHPDBG_G(flags) |= PHPDBG_DISCARD_OUTPUT; + phpdbg_export_breakpoints(bp_tmp_fp TSRMLS_CC); + PHPDBG_G(flags) &= ~PHPDBG_DISCARD_OUTPUT; + fclose(bp_tmp_fp); + cleaning = 1; + } else { + cleaning = 0; + } + + if (!cleaning) { + /* remote client disconnected */ + if ((PHPDBG_G(flags) & PHPDBG_IS_DISCONNECTED)) { + + if (PHPDBG_G(flags) & PHPDBG_IS_REMOTE) { + /* renegociate connections */ + phpdbg_remote_init(address, listen, server, &socket, &stream TSRMLS_CC); + + /* set streams */ + if (stream) { + PHPDBG_G(flags) &= ~PHPDBG_IS_QUITTING; + } + + /* this must be forced */ + CG(unclean_shutdown) = 0; + } else { + /* local consoles cannot disconnect, ignore EOF */ + PHPDBG_G(flags) &= ~PHPDBG_IS_DISCONNECTED; + } + } + } + } zend_end_try(); + } while (!(PHPDBG_G(flags) & PHPDBG_IS_STOPPING)); + + + if (PHPDBG_G(exec) && (PHPDBG_G(flags) & PHPDBG_IS_CLEANING)) { + exec = strdup(PHPDBG_G(exec)); /* preserve exec, don't reparse that from cmd */ + } + + /* this must be forced */ + CG(unclean_shutdown) = 0; + + /* this is just helpful */ + PG(report_memleaks) = 0; + +phpdbg_out: + if ((PHPDBG_G(flags) & PHPDBG_IS_DISCONNECTED)) { + PHPDBG_G(flags) &= ~PHPDBG_IS_DISCONNECTED; + goto phpdbg_interact; + } + +#ifdef _WIN32 + } __except(phpdbg_exception_handler_win32(xp = GetExceptionInformation())) { + phpdbg_error("segfault", "", "Access violation (Segementation fault) encountered\ntrying to abort cleanly..."); + } +#endif + + if (cleaning <= 0) { + PHPDBG_G(flags) &= ~PHPDBG_IS_CLEANING; + cleaning = -1; + } + + { + int i; + /* free argv */ + for (i = SG(request_info).argc; --i;) { + efree(SG(request_info).argv[i]); + } + efree(SG(request_info).argv); + } + +#ifndef _WIN32 + /* reset it... else we risk a stack overflow upon next run (when clean'ing) */ + php_stream_stdio_ops.write = PHPDBG_G(php_stdiop_write); +#endif + +#ifndef ZTS + /* force cleanup of auto and core globals */ + zend_hash_clean(CG(auto_globals)); + memset( &core_globals, 0, sizeof(php_core_globals)); +#endif + if (ini_entries) { + free(ini_entries); + } + + if (ini_override) { + free(ini_override); + } + + /* this must be forced */ + CG(unclean_shutdown) = 0; + + /* this is just helpful */ + PG(report_memleaks) = 0; + + if ((PHPDBG_G(flags) & (PHPDBG_IS_CLEANING | PHPDBG_IS_RUNNING)) == PHPDBG_IS_CLEANING) { + php_free_shutdown_functions(TSRMLS_C); + zend_objects_store_mark_destructed(&EG(objects_store) TSRMLS_CC); + } + + /* sapi_module.deactivate is where to backup things, last chance before mm_shutdown... */ + + zend_try { + php_request_shutdown(NULL); + } zend_end_try(); + + if ((PHPDBG_G(flags) & (PHPDBG_IS_QUITTING | PHPDBG_IS_RUNNING)) == PHPDBG_IS_RUNNING) { + phpdbg_notice("stop", "type=\"normal\"", "Script ended normally"); + cleaning++; + } + + if ((PHPDBG_G(flags) & PHPDBG_IS_STOPPING) == PHPDBG_IS_CLEANING) { + settings = PHPDBG_G(backup); + } + + php_output_deactivate(TSRMLS_C); + + zend_try { + php_module_shutdown(TSRMLS_C); + } zend_end_try(); + + sapi_shutdown(); + + } + + if (cleaning > 0 || remote) { + goto phpdbg_main; + } + +#ifdef ZTS + /* bugggy */ + /* tsrm_shutdown(); */ +#endif + +#ifndef _WIN32 + if (address) { + free(address); + } +#endif + + if (PHPDBG_G(sapi_name_ptr)) { + free(PHPDBG_G(sapi_name_ptr)); + } + +#ifdef _WIN32 + free(bp_tmp_file); +#else + unlink(bp_tmp_file); +#endif + + return 0; +} /* }}} */ |