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phpdbg_prompt.c
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/*
+----------------------------------------------------------------------+
| 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Felipe Pena <[email protected]> |
| Authors: Joe Watkins <[email protected]> |
| Authors: Bob Weinand <[email protected]> |
+----------------------------------------------------------------------+
*/
#include <stdio.h>
#include <string.h>
#include "zend.h"
#include "zend_compile.h"
#include "phpdbg.h"
#include "phpdbg_help.h"
#include "phpdbg_print.h"
#include "phpdbg_info.h"
#include "phpdbg_break.h"
#include "phpdbg_bp.h"
#include "phpdbg_opcode.h"
#include "phpdbg_list.h"
#include "phpdbg_utils.h"
#include "phpdbg_prompt.h"
#include "phpdbg_cmd.h"
#include "phpdbg_set.h"
#include "phpdbg_frame.h"
/* {{{ command declarations */
const phpdbg_command_t phpdbg_prompt_commands[] = {
PHPDBG_COMMAND_D(exec, "set execution context", 'e', NULL, 1),
PHPDBG_COMMAND_D(compile, "attempt compilation", 'c', NULL, 0),
PHPDBG_COMMAND_D(step, "step through execution", 's', NULL, 1),
PHPDBG_COMMAND_D(next, "continue execution", 'n', NULL, 0),
PHPDBG_COMMAND_D(run, "attempt execution", 'r', NULL, 0),
PHPDBG_COMMAND_D(eval, "evaluate some code", 'E', NULL, 1),
PHPDBG_COMMAND_D(until, "continue past the current line", 'u', NULL, 0),
PHPDBG_COMMAND_D(finish, "continue past the end of the stack", 'F', NULL, 0),
PHPDBG_COMMAND_D(leave, "continue until the end of the stack", 'L', NULL, 0),
PHPDBG_COMMAND_D(print, "print something", 'p', phpdbg_print_commands, 2),
PHPDBG_COMMAND_D(break, "set breakpoint", 'b', phpdbg_break_commands, 1),
PHPDBG_COMMAND_D(back, "show trace", 't', NULL, 0),
PHPDBG_COMMAND_D(frame, "switch to a frame", 'f', NULL, 1),
PHPDBG_COMMAND_D(list, "lists some code", 'l', phpdbg_list_commands, 2),
PHPDBG_COMMAND_D(info, "displays some informations", 'i', phpdbg_info_commands, 1),
PHPDBG_COMMAND_D(clean, "clean the execution environment", 'X', NULL, 0),
PHPDBG_COMMAND_D(clear, "clear breakpoints", 'C', NULL, 0),
PHPDBG_COMMAND_D(help, "show help menu", 'h', phpdbg_help_commands, 2),
PHPDBG_COMMAND_D(quiet, "silence some output", 'Q', NULL, 1),
PHPDBG_COMMAND_D(aliases, "show alias list", 'a', NULL, 0),
PHPDBG_COMMAND_D(set, "set phpdbg configuration", 'S', phpdbg_set_commands, 1),
PHPDBG_COMMAND_D(register,"register a function", 'R', NULL, 1),
PHPDBG_COMMAND_D(source, "execute a phpdbginit", '.', NULL, 1),
PHPDBG_COMMAND_D(shell, "shell a command", '-', NULL, 1),
PHPDBG_COMMAND_D(quit, "exit phpdbg", 'q', NULL, 0),
PHPDBG_END_COMMAND
}; /* }}} */
ZEND_EXTERN_MODULE_GLOBALS(phpdbg);
static inline int phpdbg_call_register(phpdbg_input_t *input TSRMLS_DC) /* {{{ */
{
phpdbg_input_t *function = input->argv[0];
if (zend_hash_exists(
&PHPDBG_G(registered), function->string, function->length+1)) {
zval fname, *fretval;
zend_fcall_info fci;
ZVAL_STRINGL(&fname, function->string, function->length, 1);
memset(&fci, 0, sizeof(zend_fcall_info));
fci.size = sizeof(zend_fcall_info);
fci.function_table = &PHPDBG_G(registered);
fci.function_name = &fname;
fci.symbol_table = EG(active_symbol_table);
fci.object_ptr = NULL;
fci.retval_ptr_ptr = &fretval;
fci.no_separation = 1;
if (input->argc > 1) {
int param;
zval params;
array_init(¶ms);
for (param = 0; param < (input->argc-1); param++) {
add_next_index_stringl(
¶ms,
input->argv[param+1]->string,
input->argv[param+1]->length, 1);
phpdbg_debug(
"created param[%d] from argv[%d]: %s",
param, param+1, input->argv[param+1]->string);
}
zend_fcall_info_args(&fci, ¶ms TSRMLS_CC);
} else {
fci.params = NULL;
fci.param_count = 0;
}
phpdbg_debug(
"created %d params from %d arguments",
fci.param_count, input->argc);
zend_call_function(&fci, NULL TSRMLS_CC);
if (fretval) {
zend_print_zval_r(
fretval, 0 TSRMLS_CC);
phpdbg_writeln(EMPTY);
}
zval_dtor(&fname);
return SUCCESS;
}
return FAILURE;
} /* }}} */
void phpdbg_try_file_init(char *init_file, size_t init_file_len, zend_bool free_init TSRMLS_DC) /* {{{ */
{
struct stat sb;
if (init_file && VCWD_STAT(init_file, &sb) != -1) {
FILE *fp = fopen(init_file, "r");
if (fp) {
int line = 1;
char cmd[PHPDBG_MAX_CMD];
size_t cmd_len = 0L;
char *code = NULL;
size_t code_len = 0L;
zend_bool in_code = 0;
while (fgets(cmd, PHPDBG_MAX_CMD, fp) != NULL) {
cmd_len = strlen(cmd)-1;
while (cmd_len > 0L && isspace(cmd[cmd_len-1]))
cmd_len--;
cmd[cmd_len] = '\0';
if (*cmd && cmd_len > 0L && cmd[0] != '#') {
if (cmd_len == 2) {
if (memcmp(cmd, "<:", sizeof("<:")-1) == SUCCESS) {
in_code = 1;
goto next_line;
} else {
if (memcmp(cmd, ":>", sizeof(":>")-1) == SUCCESS) {
in_code = 0;
code[code_len] = '\0';
{
zend_eval_stringl(
code, code_len, NULL, "phpdbginit code" TSRMLS_CC);
}
free(code);
code = NULL;
goto next_line;
}
}
}
if (in_code) {
if (code == NULL) {
code = malloc(cmd_len + 1);
} else code = realloc(code, code_len + cmd_len + 1);
if (code) {
memcpy(
&code[code_len], cmd, cmd_len);
code_len += cmd_len;
}
goto next_line;
}
{
phpdbg_input_t *input = phpdbg_read_input(cmd TSRMLS_CC);
switch (phpdbg_do_cmd(phpdbg_prompt_commands, input TSRMLS_CC)) {
case FAILURE:
if (!(PHPDBG_G(flags) & PHPDBG_IS_QUITTING)) {
if (phpdbg_call_register(input TSRMLS_CC) == FAILURE) {
phpdbg_error("Unrecognized command in %s:%d: %s!", init_file, line, input->string);
}
}
break;
}
phpdbg_destroy_input(&input TSRMLS_CC);
}
}
next_line:
line++;
}
if (code) {
free(code);
}
fclose(fp);
} else {
phpdbg_error(
"Failed to open %s for initialization", init_file);
}
if (free_init) {
free(init_file);
}
}
} /* }}} */
void phpdbg_init(char *init_file, size_t init_file_len, zend_bool use_default TSRMLS_DC) /* {{{ */
{
if (!init_file && use_default) {
char *scan_dir = getenv("PHP_INI_SCAN_DIR");
int i;
phpdbg_try_file_init(PHPDBG_STRL(PHP_CONFIG_FILE_PATH "/" PHPDBG_INIT_FILENAME), 0 TSRMLS_CC);
if (!scan_dir) {
scan_dir = PHP_CONFIG_FILE_SCAN_DIR;
}
while (*scan_dir != 0) {
i = 0;
while (scan_dir[i] != ':') {
if (scan_dir[i++] == 0) {
i = -1;
break;
}
}
if (i != -1) {
scan_dir[i] = 0;
}
asprintf(
&init_file, "%s/%s", scan_dir, PHPDBG_INIT_FILENAME);
phpdbg_try_file_init(init_file, strlen(init_file), 1 TSRMLS_CC);
if (i == -1) {
break;
}
scan_dir += i + 1;
}
phpdbg_try_file_init(PHPDBG_STRL(PHPDBG_INIT_FILENAME), 0 TSRMLS_CC);
} else {
phpdbg_try_file_init(init_file, init_file_len, 1 TSRMLS_CC);
}
}
PHPDBG_COMMAND(exec) /* {{{ */
{
switch (param->type) {
case STR_PARAM: {
struct stat sb;
if (VCWD_STAT(param->str, &sb) != FAILURE) {
if (sb.st_mode & (S_IFREG|S_IFLNK)) {
char *res = phpdbg_resolve_path(param->str TSRMLS_CC);
size_t res_len = strlen(res);
if ((res_len != PHPDBG_G(exec_len)) || (memcmp(res, PHPDBG_G(exec), res_len) != SUCCESS)) {
if (PHPDBG_G(exec)) {
phpdbg_notice("Unsetting old execution context: %s", PHPDBG_G(exec));
efree(PHPDBG_G(exec));
PHPDBG_G(exec) = NULL;
PHPDBG_G(exec_len) = 0L;
}
if (PHPDBG_G(ops)) {
phpdbg_notice("Destroying compiled opcodes");
phpdbg_clean(0 TSRMLS_CC);
}
PHPDBG_G(exec) = res;
PHPDBG_G(exec_len) = res_len;
phpdbg_notice("Set execution context: %s", PHPDBG_G(exec));
} else {
phpdbg_notice("Execution context not changed");
}
} else {
phpdbg_error("Cannot use %s as execution context, not a valid file or symlink", param->str);
}
} else {
phpdbg_error("Cannot stat %s, ensure the file exists", param->str);
}
} break;
phpdbg_default_switch_case();
}
return SUCCESS;
} /* }}} */
int phpdbg_compile(TSRMLS_D) /* {{{ */
{
zend_file_handle fh;
if (EG(in_execution)) {
phpdbg_error("Cannot compile while in execution");
return FAILURE;
}
phpdbg_notice("Attempting compilation of %s", PHPDBG_G(exec));
if (php_stream_open_for_zend_ex(PHPDBG_G(exec), &fh,
USE_PATH|STREAM_OPEN_FOR_INCLUDE TSRMLS_CC) == SUCCESS) {
PHPDBG_G(ops) = zend_compile_file(&fh, ZEND_INCLUDE TSRMLS_CC);
zend_destroy_file_handle(&fh TSRMLS_CC);
phpdbg_notice("Success");
return SUCCESS;
} else {
phpdbg_error("Could not open file %s", PHPDBG_G(exec));
}
return FAILURE;
} /* }}} */
PHPDBG_COMMAND(compile) /* {{{ */
{
if (!PHPDBG_G(exec)) {
phpdbg_error("No execution context");
return SUCCESS;
}
if (!EG(in_execution)) {
if (PHPDBG_G(ops)) {
phpdbg_error("Destroying previously compiled opcodes");
phpdbg_clean(0 TSRMLS_CC);
}
}
phpdbg_compile(TSRMLS_C);
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(step) /* {{{ */
{
switch (param->type) {
case EMPTY_PARAM:
case NUMERIC_PARAM: {
if (param->type == NUMERIC_PARAM && param->num) {
PHPDBG_G(flags) |= PHPDBG_IS_STEPPING;
} else {
PHPDBG_G(flags) &= ~PHPDBG_IS_STEPPING;
}
phpdbg_notice("Stepping %s",
(PHPDBG_G(flags) & PHPDBG_IS_STEPPING) ? "on" : "off");
} break;
phpdbg_default_switch_case();
}
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(next) /* {{{ */
{
return PHPDBG_NEXT;
} /* }}} */
PHPDBG_COMMAND(until) /* {{{ */
{
if (!EG(in_execution)) {
phpdbg_error("Not executing");
return SUCCESS;
}
PHPDBG_G(flags) |= PHPDBG_IN_UNTIL;
{
zend_uint next = 0,
self = (EG(current_execute_data)->opline - EG(active_op_array)->opcodes);
zend_op *opline = &EG(active_op_array)->opcodes[self];
for (next = self; next < EG(active_op_array)->last; next++) {
if (EG(active_op_array)->opcodes[next].lineno != opline->lineno) {
zend_hash_index_update(
&PHPDBG_G(seek),
(zend_ulong) &EG(active_op_array)->opcodes[next],
&EG(active_op_array)->opcodes[next],
sizeof(zend_op), NULL);
break;
}
}
}
return PHPDBG_UNTIL;
} /* }}} */
PHPDBG_COMMAND(finish) /* {{{ */
{
if (!EG(in_execution)) {
phpdbg_error("Not executing");
return SUCCESS;
}
PHPDBG_G(flags) |= PHPDBG_IN_FINISH;
{
zend_uint next = 0,
self = (EG(current_execute_data)->opline - EG(active_op_array)->opcodes);
for (next = self; next < EG(active_op_array)->last; next++) {
switch (EG(active_op_array)->opcodes[next].opcode) {
case ZEND_RETURN:
case ZEND_THROW:
case ZEND_EXIT:
#ifdef ZEND_YIELD
case ZEND_YIELD:
#endif
zend_hash_index_update(
&PHPDBG_G(seek),
(zend_ulong) &EG(active_op_array)->opcodes[next],
&EG(active_op_array)->opcodes[next],
sizeof(zend_op), NULL);
break;
}
}
}
return PHPDBG_FINISH;
} /* }}} */
PHPDBG_COMMAND(leave) /* {{{ */
{
if (!EG(in_execution)) {
phpdbg_error("Not executing");
return SUCCESS;
}
PHPDBG_G(flags) |= PHPDBG_IN_LEAVE;
{
zend_uint next = 0,
self = (EG(current_execute_data)->opline - EG(active_op_array)->opcodes);
for (next = self; next < EG(active_op_array)->last; next++) {
switch (EG(active_op_array)->opcodes[next].opcode) {
case ZEND_RETURN:
case ZEND_THROW:
case ZEND_EXIT:
#ifdef ZEND_YIELD
case ZEND_YIELD:
#endif
zend_hash_index_update(
&PHPDBG_G(seek),
(zend_ulong) &EG(active_op_array)->opcodes[next],
&EG(active_op_array)->opcodes[next],
sizeof(zend_op), NULL);
break;
}
}
}
return PHPDBG_LEAVE;
} /* }}} */
PHPDBG_COMMAND(frame) /* {{{ */
{
switch (param->type) {
case NUMERIC_PARAM:
phpdbg_switch_frame(param->num TSRMLS_CC);
break;
case EMPTY_PARAM:
phpdbg_notice("Currently in frame #%d", PHPDBG_G(frame).num);
break;
phpdbg_default_switch_case();
}
return SUCCESS;
} /* }}} */
static inline void phpdbg_handle_exception(TSRMLS_D) /* }}} */
{
zend_fcall_info fci;
zval fname,
*trace,
exception;
/* get filename and linenumber before unsetting exception */
const char *filename = zend_get_executed_filename(TSRMLS_C);
zend_uint lineno = zend_get_executed_lineno(TSRMLS_C);
/* copy exception */
exception = *EG(exception);
zval_copy_ctor(&exception);
EG(exception) = NULL;
phpdbg_error(
"Uncaught %s!",
Z_OBJCE(exception)->name);
/* call __toString */
ZVAL_STRINGL(&fname, "__tostring", sizeof("__tostring")-1, 1);
fci.size = sizeof(fci);
fci.function_table = &Z_OBJCE(exception)->function_table;
fci.function_name = &fname;
fci.symbol_table = NULL;
fci.object_ptr = &exception;
fci.retval_ptr_ptr = &trace;
fci.param_count = 0;
fci.params = NULL;
fci.no_separation = 1;
zend_call_function(&fci, NULL TSRMLS_CC);
if (trace) {
phpdbg_writeln(
"Uncaught %s", Z_STRVAL_P(trace));
/* remember to dtor trace */
zval_ptr_dtor(&trace);
}
/* output useful information about address */
phpdbg_writeln(
"Stacked entered at %p in %s on line %u",
EG(active_op_array)->opcodes, filename, lineno);
zval_dtor(&fname);
zval_dtor(&exception);
} /* }}} */
PHPDBG_COMMAND(run) /* {{{ */
{
if (EG(in_execution)) {
phpdbg_error("Cannot start another execution while one is in progress");
return SUCCESS;
}
if (PHPDBG_G(ops) || PHPDBG_G(exec)) {
zend_op **orig_opline = EG(opline_ptr);
zend_op_array *orig_op_array = EG(active_op_array);
zval **orig_retval_ptr = EG(return_value_ptr_ptr);
zend_bool restore = 1;
if (!PHPDBG_G(ops)) {
if (phpdbg_compile(TSRMLS_C) == FAILURE) {
phpdbg_error("Failed to compile %s, cannot run", PHPDBG_G(exec));
goto out;
}
}
EG(active_op_array) = PHPDBG_G(ops);
EG(return_value_ptr_ptr) = &PHPDBG_G(retval);
if (!EG(active_symbol_table)) {
zend_rebuild_symbol_table(TSRMLS_C);
}
/* clean seek state */
PHPDBG_G(flags) &= ~PHPDBG_SEEK_MASK;
zend_hash_clean(
&PHPDBG_G(seek));
/* reset hit counters */
phpdbg_reset_breakpoints(TSRMLS_C);
zend_try {
php_output_activate(TSRMLS_C);
PHPDBG_G(flags) ^= PHPDBG_IS_INTERACTIVE;
zend_execute(EG(active_op_array) TSRMLS_CC);
PHPDBG_G(flags) ^= PHPDBG_IS_INTERACTIVE;
php_output_deactivate(TSRMLS_C);
} zend_catch {
EG(active_op_array) = orig_op_array;
EG(opline_ptr) = orig_opline;
EG(return_value_ptr_ptr) = orig_retval_ptr;
if (!(PHPDBG_G(flags) & PHPDBG_IS_QUITTING)) {
phpdbg_error("Caught exit/error from VM");
restore = 0;
}
} zend_end_try();
if (restore) {
if (EG(exception)) {
phpdbg_handle_exception(TSRMLS_C);
}
EG(active_op_array) = orig_op_array;
EG(opline_ptr) = orig_opline;
EG(return_value_ptr_ptr) = orig_retval_ptr;
}
} else {
phpdbg_error("Nothing to execute!");
}
out:
PHPDBG_FRAME(num) = 0;
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(eval) /* {{{ */
{
switch (param->type) {
case STR_PARAM: {
zend_bool stepping = ((PHPDBG_G(flags) & PHPDBG_IS_STEPPING)==PHPDBG_IS_STEPPING);
zval retval;
if (!(PHPDBG_G(flags) & PHPDBG_IS_STEPONEVAL)) {
PHPDBG_G(flags) &= ~ PHPDBG_IS_STEPPING;
}
/* disable stepping while eval() in progress */
PHPDBG_G(flags) |= PHPDBG_IN_EVAL;
zend_try {
if (zend_eval_stringl(param->str, param->len,
&retval, "eval()'d code" TSRMLS_CC) == SUCCESS) {
zend_print_zval_r(
&retval, 0 TSRMLS_CC);
phpdbg_writeln(EMPTY);
zval_dtor(&retval);
}
} zend_end_try();
PHPDBG_G(flags) &= ~PHPDBG_IN_EVAL;
/* switch stepping back on */
if (stepping &&
!(PHPDBG_G(flags) & PHPDBG_IS_STEPONEVAL)) {
PHPDBG_G(flags) |= PHPDBG_IS_STEPPING;
}
CG(unclean_shutdown) = 0;
} break;
phpdbg_default_switch_case();
}
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(back) /* {{{ */
{
if (!EG(in_execution)) {
phpdbg_error("Not executing!");
return SUCCESS;
}
switch (param->type) {
case EMPTY_PARAM:
case NUMERIC_PARAM:
phpdbg_dump_backtrace(
(param->type == NUMERIC_PARAM) ? param->num : 0 TSRMLS_CC);
break;
phpdbg_default_switch_case();
}
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(print) /* {{{ */
{
switch (param->type) {
case EMPTY_PARAM: {
phpdbg_writeln(SEPARATE);
phpdbg_notice("Execution Context Information");
#ifdef HAVE_LIBREADLINE
phpdbg_writeln("Readline\tyes");
#else
phpdbg_writeln("Readline\tno");
#endif
phpdbg_writeln("Exec\t\t%s", PHPDBG_G(exec) ? PHPDBG_G(exec) : "none");
phpdbg_writeln("Compiled\t%s", PHPDBG_G(ops) ? "yes" : "no");
phpdbg_writeln("Stepping\t%s", (PHPDBG_G(flags) & PHPDBG_IS_STEPPING) ? "on" : "off");
phpdbg_writeln("Quietness\t%s", (PHPDBG_G(flags) & PHPDBG_IS_QUIET) ? "on" : "off");
phpdbg_writeln("Oplog\t\t%s", PHPDBG_G(oplog) ? "on" : "off");
if (PHPDBG_G(ops)) {
phpdbg_writeln("Opcodes\t\t%d", PHPDBG_G(ops)->last);
if (PHPDBG_G(ops)->last_var) {
phpdbg_writeln("Variables\t%d", PHPDBG_G(ops)->last_var-1);
} else {
phpdbg_writeln("Variables\tNone");
}
}
phpdbg_writeln("Executing\t%s", EG(in_execution) ? "yes" : "no");
if (EG(in_execution)) {
phpdbg_writeln("VM Return\t%d", PHPDBG_G(vmret));
}
phpdbg_writeln("Classes\t\t%d", zend_hash_num_elements(EG(class_table)));
phpdbg_writeln("Functions\t%d", zend_hash_num_elements(EG(function_table)));
phpdbg_writeln("Constants\t%d", zend_hash_num_elements(EG(zend_constants)));
phpdbg_writeln("Included\t%d", zend_hash_num_elements(&EG(included_files)));
phpdbg_writeln(SEPARATE);
} break;
phpdbg_default_switch_case();
}
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(info) /* {{{ */
{
phpdbg_error(
"No information command selected!");
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(set) /* {{{ */
{
phpdbg_error(
"No information command selected!");
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(break) /* {{{ */
{
switch (param->type) {
case EMPTY_PARAM:
phpdbg_set_breakpoint_file(
zend_get_executed_filename(TSRMLS_C),
zend_get_executed_lineno(TSRMLS_C) TSRMLS_CC);
break;
case ADDR_PARAM:
phpdbg_set_breakpoint_opline(param->addr TSRMLS_CC);
break;
case NUMERIC_PARAM:
if (PHPDBG_G(exec)) {
phpdbg_set_breakpoint_file(phpdbg_current_file(TSRMLS_C), param->num TSRMLS_CC);
} else {
phpdbg_error("Execution context not set!");
}
break;
case METHOD_PARAM:
phpdbg_set_breakpoint_method(param->method.class, param->method.name TSRMLS_CC);
break;
case NUMERIC_METHOD_PARAM:
phpdbg_set_breakpoint_method_opline(param->method.class, param->method.name, param->num TSRMLS_CC);
break;
case NUMERIC_FUNCTION_PARAM:
phpdbg_set_breakpoint_function_opline(param->str, param->num TSRMLS_CC);
break;
case FILE_PARAM:
phpdbg_set_breakpoint_file(param->file.name, param->file.line TSRMLS_CC);
break;
case STR_PARAM:
phpdbg_set_breakpoint_symbol(param->str, param->len TSRMLS_CC);
break;
phpdbg_default_switch_case();
}
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(shell) /* {{{ */
{
/* don't allow this to loop, ever ... */
switch (param->type) {
case STR_PARAM: {
FILE *fd = NULL;
if ((fd=VCWD_POPEN((char*)param->str, "w"))) {
/* do something perhaps ?? do we want input ?? */
fclose(fd);
} else {
phpdbg_error(
"Failed to execute %s", param->str);
}
} break;
phpdbg_default_switch_case();
}
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(source) /* {{{ */
{
switch (param->type) {
case STR_PARAM: {
if (input->argc > 2) {
if (phpdbg_argv_is(1, "export")) {
FILE *h = VCWD_FOPEN(input->argv[2]->string, "w+");
if (h) {
phpdbg_export_breakpoints(h TSRMLS_CC);
fclose(h);
} else phpdbg_error("Failed to open %s", input->argv[1]->string);
} else {
phpdbg_error(
"Incorrect usage of source command, see help");
}
} else {
struct stat sb;
if (VCWD_STAT(param->str, &sb) != -1) {
phpdbg_try_file_init(param->str, param->len, 0 TSRMLS_CC);
} else phpdbg_error("Cannot stat %s", param->str);
}
} break;
phpdbg_default_switch_case();
}
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(register) /* {{{ */
{
switch (param->type) {
case STR_PARAM: {
zend_function *function;
char *lcname = zend_str_tolower_dup(param->str, param->len);
size_t lcname_len = strlen(lcname);
if (!zend_hash_exists(&PHPDBG_G(registered), lcname, lcname_len+1)) {
if (zend_hash_find(EG(function_table), lcname, lcname_len+1, (void**) &function) == SUCCESS) {
zend_hash_update(
&PHPDBG_G(registered), lcname, lcname_len+1, (void*)&function, sizeof(zend_function), NULL);
function_add_ref(function);
phpdbg_notice(
"Registered %s", lcname);
} else {
phpdbg_error("The requested function (%s) could not be found", param->str);
}
} else {
phpdbg_error(
"The requested name (%s) is already in use", lcname);
}
efree(lcname);
} break;
phpdbg_default_switch_case();
}
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(quit) /* {{{ */
{
/* don't allow this to loop, ever ... */
if (!(PHPDBG_G(flags) & PHPDBG_IS_QUITTING)) {
phpdbg_destroy_input((phpdbg_input_t**)&input TSRMLS_CC);
PHPDBG_G(flags) |= PHPDBG_IS_QUITTING;
zend_bailout();
}
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(clean) /* {{{ */
{
if (EG(in_execution)) {
phpdbg_error("Cannot clean environment while executing");
return SUCCESS;
}
phpdbg_notice("Cleaning Execution Environment");
phpdbg_writeln("Classes\t\t\t%d", zend_hash_num_elements(EG(class_table)));
phpdbg_writeln("Functions\t\t%d", zend_hash_num_elements(EG(function_table)));
phpdbg_writeln("Constants\t\t%d", zend_hash_num_elements(EG(zend_constants)));
phpdbg_writeln("Includes\t\t%d", zend_hash_num_elements(&EG(included_files)));
phpdbg_clean(1 TSRMLS_CC);
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(clear) /* {{{ */
{
phpdbg_notice("Clearing Breakpoints");
phpdbg_writeln("File\t\t\t%d", zend_hash_num_elements(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE]));
phpdbg_writeln("Functions\t\t%d", zend_hash_num_elements(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM]));
phpdbg_writeln("Methods\t\t\t%d", zend_hash_num_elements(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD]));
phpdbg_writeln("Oplines\t\t\t%d", zend_hash_num_elements(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE]));
phpdbg_writeln("File oplines\t\t\t%d", zend_hash_num_elements(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE]));
phpdbg_writeln("Function oplines\t\t\t%d", zend_hash_num_elements(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE]));
phpdbg_writeln("Method oplines\t\t\t%d", zend_hash_num_elements(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE]));
phpdbg_writeln("Conditionals\t\t%d", zend_hash_num_elements(&PHPDBG_G(bp)[PHPDBG_BREAK_COND]));
phpdbg_clear_breakpoints(TSRMLS_C);
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(aliases) /* {{{ */
{
const phpdbg_command_t *prompt_command = phpdbg_prompt_commands;
phpdbg_help_header();
phpdbg_writeln("Below are the aliased, short versions of all supported commands");
while (prompt_command && prompt_command->name) {
if (prompt_command->alias) {
if (prompt_command->subs) {
const phpdbg_command_t *sub_command = prompt_command->subs;
phpdbg_writeln(EMPTY);
phpdbg_writeln(" %c -> %9s", prompt_command->alias, prompt_command->name);
while (sub_command && sub_command->name) {
if (sub_command->alias) {
phpdbg_writeln(" |-------- %c -> %15s\t%s", sub_command->alias,
sub_command->name, sub_command->tip);
}
++sub_command;
}
phpdbg_writeln(EMPTY);
} else {
phpdbg_writeln(" %c -> %9s\t\t\t%s", prompt_command->alias,
prompt_command->name, prompt_command->tip);
}
}
++prompt_command;
}
phpdbg_help_footer();
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(help) /* {{{ */
{
switch (param->type) {
case EMPTY_PARAM: {
const phpdbg_command_t *prompt_command = phpdbg_prompt_commands;
const phpdbg_command_t *help_command = phpdbg_help_commands;
phpdbg_help_header();
phpdbg_writeln("To get help regarding a specific command type \"help command\"");
phpdbg_notice("Commands");
while (prompt_command && prompt_command->name) {
phpdbg_writeln(
" %10s\t%s", prompt_command->name, prompt_command->tip);
++prompt_command;
}
phpdbg_notice("Help Commands");
while (help_command && help_command->name) {
phpdbg_writeln(" %10s\t%s", help_command->name, help_command->tip);
++help_command;
}
phpdbg_help_footer();
} break;
default: {
phpdbg_error(
"No help can be found for the subject \"%s\"", param->str);
}
}
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(quiet) /* {{{ */
{
switch (param->type) {
case NUMERIC_PARAM: {
if (param->num) {
PHPDBG_G(flags) |= PHPDBG_IS_QUIET;
} else {
PHPDBG_G(flags) &= ~PHPDBG_IS_QUIET;
}
phpdbg_notice("Quietness %s",
(PHPDBG_G(flags) & PHPDBG_IS_QUIET) ? "enabled" : "disabled");
} break;
phpdbg_default_switch_case();
}
return SUCCESS;
} /* }}} */
PHPDBG_COMMAND(list) /* {{{ */
{
switch (param->type) {
case NUMERIC_PARAM:
case EMPTY_PARAM:
return PHPDBG_LIST_HANDLER(lines)(PHPDBG_COMMAND_ARGS);