diff options
Diffstat (limited to 'sapi/phpdbg/phpdbg_utils.c')
| -rw-r--r-- | sapi/phpdbg/phpdbg_utils.c | 489 |
1 files changed, 352 insertions, 137 deletions
diff --git a/sapi/phpdbg/phpdbg_utils.c b/sapi/phpdbg/phpdbg_utils.c index b57986b55c..bff971d4cf 100644 --- a/sapi/phpdbg/phpdbg_utils.c +++ b/sapi/phpdbg/phpdbg_utils.c @@ -1,6 +1,6 @@ /* +----------------------------------------------------------------------+ - | PHP Version 7 | + | PHP Version 5 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2014 The PHP Group | +----------------------------------------------------------------------+ @@ -18,19 +18,14 @@ +----------------------------------------------------------------------+ */ -#include <stdio.h> -#include <ctype.h> -#include <string.h> #include "zend.h" + #include "php.h" -#include "spprintf.h" #include "phpdbg.h" #include "phpdbg_opcode.h" #include "phpdbg_utils.h" -#ifdef _WIN32 -# include "win32/time.h" -#elif defined(HAVE_SYS_IOCTL_H) +#if defined(HAVE_SYS_IOCTL_H) # include "sys/ioctl.h" # ifndef GWINSZ_IN_SYS_IOCTL # include <termios.h> @@ -128,12 +123,12 @@ PHPDBG_API int phpdbg_is_class_method(const char *str, size_t len, char **class, } if (class != NULL) { - + if (str[0] == '\\') { str++; len--; } - + *class = estrndup(str, sep - str); (*class)[sep - str] = 0; } @@ -170,27 +165,25 @@ PHPDBG_API const char *phpdbg_current_file(TSRMLS_D) /* {{{ */ PHPDBG_API const zend_function *phpdbg_get_function(const char *fname, const char *cname TSRMLS_DC) /* {{{ */ { zend_function *func = NULL; - size_t fname_len = strlen(fname); - char *lcname = zend_str_tolower_dup(fname, fname_len); + zend_string *lfname = zend_string_alloc(strlen(fname), 0); + memcpy(lfname->val, zend_str_tolower_dup(fname, lfname->len), lfname->len + 1); if (cname) { - zend_class_entry **ce; - size_t cname_len = strlen(cname); - char *lc_cname = zend_str_tolower_dup(cname, cname_len); - int ret = zend_lookup_class(lc_cname, cname_len, &ce TSRMLS_CC); + zend_class_entry *ce; + zend_string *lcname = zend_string_alloc(strlen(cname), 0); + memcpy(lcname->val, zend_str_tolower_dup(cname, lcname->len), lcname->len + 1); + ce = zend_lookup_class(lcname TSRMLS_CC); - efree(lc_cname); + efree(lcname); - if (ret == SUCCESS) { - zend_hash_find(&(*ce)->function_table, lcname, fname_len+1, - (void**)&func); + if (ce) { + func = zend_hash_find_ptr(&ce->function_table, lfname); } } else { - zend_hash_find(EG(function_table), lcname, fname_len+1, - (void**)&func); + func = zend_hash_find_ptr(EG(function_table), lfname); } - efree(lcname); + efree(lfname); return func; } /* }}} */ @@ -224,103 +217,6 @@ PHPDBG_API char *phpdbg_trim(const char *str, size_t len, size_t *new_len) /* {{ } /* }}} */ -PHPDBG_API int phpdbg_print(int type TSRMLS_DC, FILE *fp, const char *format, ...) /* {{{ */ -{ - int rc = 0; - char *buffer = NULL; - va_list args; - - if (format != NULL && strlen(format) > 0L) { - va_start(args, format); - vspprintf(&buffer, 0, format, args); - va_end(args); - } - - /* TODO(anyone) colours */ - - switch (type) { - case P_ERROR: - if (PHPDBG_G(flags) & PHPDBG_IS_COLOURED) { - rc = fprintf(fp, - "\033[%sm[%s]\033[0m\n", - PHPDBG_G(colors)[PHPDBG_COLOR_ERROR]->code, buffer); - } else { - rc = fprintf(fp, "[%s]\n", buffer); - } - break; - - case P_NOTICE: - if (PHPDBG_G(flags) & PHPDBG_IS_COLOURED) { - rc = fprintf(fp, - "\033[%sm[%s]\033[0m\n", - PHPDBG_G(colors)[PHPDBG_COLOR_NOTICE]->code, buffer); - } else { - rc = fprintf(fp, "[%s]\n", buffer); - } - break; - - case P_WRITELN: { - if (buffer) { - rc = fprintf(fp, "%s\n", buffer); - } else { - rc = fprintf(fp, "\n"); - } - } break; - - case P_WRITE: - if (buffer) { - rc = fprintf(fp, "%s", buffer); - } - break; - - /* no formatting on logging output */ - case P_LOG: - if (buffer) { - struct timeval tp; - if (gettimeofday(&tp, NULL) == SUCCESS) { - rc = fprintf(fp, "[%ld %.8F]: %s\n", tp.tv_sec, tp.tv_usec / 1000000.00, buffer); - } else { - rc = FAILURE; - } - } - break; - } - - if (buffer) { - efree(buffer); - } - - return rc; -} /* }}} */ - -PHPDBG_API int phpdbg_rlog(FILE *fp, const char *fmt, ...) { /* {{{ */ - int rc = 0; - - va_list args; - struct timeval tp; - - va_start(args, fmt); - if (gettimeofday(&tp, NULL) == SUCCESS) { - char friendly[100]; - char *format = NULL, *buffer = NULL; - const time_t tt = tp.tv_sec; - - strftime(friendly, 100, "%a %b %d %T.%%04d %Y", localtime(&tt)); - asprintf( - &buffer, friendly, tp.tv_usec/1000); - asprintf( - &format, "[%s]: %s\n", buffer, fmt); - rc = vfprintf( - fp, format, args); - - free(format); - free(buffer); - } - va_end(args); - - return rc; -} /* }}} */ - PHPDBG_API const phpdbg_color_t *phpdbg_get_color(const char *name, size_t name_length TSRMLS_DC) /* {{{ */ { const phpdbg_color_t *color = colors; @@ -328,15 +224,13 @@ PHPDBG_API const phpdbg_color_t *phpdbg_get_color(const char *name, size_t name_ while (color && color->name) { if (name_length == color->name_length && memcmp(name, color->name, name_length) == SUCCESS) { - phpdbg_debug( - "phpdbg_get_color(%s, %lu): %s", name, name_length, color->code); + phpdbg_debug("phpdbg_get_color(%s, %lu): %s", name, name_length, color->code); return color; } ++color; } - phpdbg_debug( - "phpdbg_get_color(%s, %lu): failed", name, name_length); + phpdbg_debug("phpdbg_get_color(%s, %lu): failed", name, name_length); return NULL; } /* }}} */ @@ -362,7 +256,7 @@ PHPDBG_API const phpdbg_color_t* phpdbg_get_colors(TSRMLS_D) /* {{{ */ PHPDBG_API int phpdbg_get_element(const char *name, size_t len TSRMLS_DC) { const phpdbg_element_t *element = elements; - + while (element && element->name) { if (len == element->name_length) { if (strncasecmp(name, element->name, len) == SUCCESS) { @@ -371,7 +265,7 @@ PHPDBG_API int phpdbg_get_element(const char *name, size_t len TSRMLS_DC) { } element++; } - + return PHPDBG_COLOR_INVALID; } @@ -419,18 +313,14 @@ PHPDBG_API const char *phpdbg_get_prompt(TSRMLS_D) /* {{{ */ } /* }}} */ int phpdbg_rebuild_symtable(TSRMLS_D) { - if (!EG(active_op_array)) { - phpdbg_error("No active op array!"); + if (!EG(current_execute_data) || !EG(current_execute_data)->func) { + phpdbg_error("inactive", "type=\"op_array\"", "No active op array!"); return FAILURE; } - if (!EG(active_symbol_table)) { - zend_rebuild_symbol_table(TSRMLS_C); - - if (!EG(active_symbol_table)) { - phpdbg_error("No active symbol table!"); - return FAILURE; - } + if (!zend_rebuild_symbol_table(TSRMLS_C)) { + phpdbg_error("inactive", "type=\"symbol_table\"", "No active symbol table!"); + return FAILURE; } return SUCCESS; @@ -438,13 +328,13 @@ int phpdbg_rebuild_symtable(TSRMLS_D) { PHPDBG_API int phpdbg_get_terminal_width(TSRMLS_D) /* {{{ */ { - int columns; + int columns; #ifdef _WIN32 CONSOLE_SCREEN_BUFFER_INFO csbi; GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi); columns = csbi.srWindow.Right - csbi.srWindow.Left + 1; -#elif defined(HAVE_SYS_IOCTL_H) && defined (TIOCGWINSZ) +#elif defined(HAVE_SYS_IOCTL_H) && defined(TIOCGWINSZ) struct winsize w; columns = ioctl(fileno(stdout), TIOCGWINSZ, &w) == 0 ? w.ws_col : 80; @@ -453,3 +343,328 @@ PHPDBG_API int phpdbg_get_terminal_width(TSRMLS_D) /* {{{ */ #endif return columns; } /* }}} */ + +PHPDBG_API void phpdbg_set_async_io(int fd) { +#ifndef _WIN32 + int flags; + fcntl(STDIN_FILENO, F_SETOWN, getpid()); + flags = fcntl(STDIN_FILENO, F_GETFL); + fcntl(STDIN_FILENO, F_SETFL, flags | FASYNC); +#endif +} + +int phpdbg_safe_class_lookup(const char *name, int name_length, zend_class_entry **ce TSRMLS_DC) { + if (PHPDBG_G(flags) & PHPDBG_IN_SIGNAL_HANDLER) { + char *lc_name, *lc_free; + int lc_length; + + if (name == NULL || !name_length) { + return FAILURE; + } + + lc_free = lc_name = emalloc(name_length + 1); + zend_str_tolower_copy(lc_name, name, name_length); + lc_length = name_length + 1; + + if (lc_name[0] == '\\') { + lc_name += 1; + lc_length -= 1; + } + + phpdbg_try_access { + *ce = zend_hash_str_find_ptr(EG(class_table), lc_name, lc_length); + } phpdbg_catch_access { + phpdbg_error("signalsegv", "class=\"%.*s\"", "Could not fetch class %.*s, invalid data source", name_length, name); + } phpdbg_end_try_access(); + + efree(lc_free); + } else { + zend_string *str_name = zend_string_init(name, name_length, 0); + *ce = zend_lookup_class(str_name TSRMLS_CC); + efree(str_name); + } + + return ce ? SUCCESS : FAILURE; +} + +char *phpdbg_get_property_key(char *key) { + if (*key != 0) { + return key; + } + return strchr(key + 1, 0) + 1; +} + +static int phpdbg_parse_variable_arg_wrapper(char *name, size_t len, char *keyname, size_t keylen, HashTable *parent, zval *zv, phpdbg_parse_var_func callback TSRMLS_DC) { + return callback(name, len, keyname, keylen, parent, zv TSRMLS_CC); +} + +PHPDBG_API int phpdbg_parse_variable(char *input, size_t len, HashTable *parent, size_t i, phpdbg_parse_var_func callback, zend_bool silent TSRMLS_DC) { + return phpdbg_parse_variable_with_arg(input, len, parent, i, (phpdbg_parse_var_with_arg_func) phpdbg_parse_variable_arg_wrapper, silent, callback TSRMLS_CC); +} + +PHPDBG_API int phpdbg_parse_variable_with_arg(char *input, size_t len, HashTable *parent, size_t i, phpdbg_parse_var_with_arg_func callback, zend_bool silent, void *arg TSRMLS_DC) { + int ret = FAILURE; + zend_bool new_index = 1; + char *last_index; + size_t index_len = 0; + zval *zv; + + if (len < 2 || *input != '$') { + goto error; + } + + while (i++ < len) { + if (i == len) { + new_index = 1; + } else { + switch (input[i]) { + case '[': + new_index = 1; + break; + case ']': + break; + case '>': + if (last_index[index_len - 1] == '-') { + new_index = 1; + index_len--; + } + break; + + default: + if (new_index) { + last_index = input + i; + new_index = 0; + } + if (input[i - 1] == ']') { + goto error; + } + index_len++; + } + } + + if (new_index && index_len == 0) { + zend_ulong numkey; + zend_string *strkey; + ZEND_HASH_FOREACH_KEY_PTR(parent, numkey, strkey, zv) { + while (Z_TYPE_P(zv) == IS_INDIRECT) { + zv = Z_INDIRECT_P(zv); + } + + if (i == len || (i == len - 1 && input[len - 1] == ']')) { + char *key, *propkey; + size_t namelen, keylen; + char *name; + char *keyname = estrndup(last_index, index_len); + if (strkey) { + key = strkey->val; + keylen = strkey->len; + } else { + keylen = spprintf(&key, 0, "%llu", numkey); + } + propkey = phpdbg_get_property_key(key); + name = emalloc(i + keylen + 2); + namelen = sprintf(name, "%.*s%.*s%s", (int) i, input, keylen - (propkey - key), propkey, input[len - 1] == ']'?"]":""); + if (!strkey) { + efree(key); + } + + ret = callback(name, namelen, keyname, index_len, parent, zv, arg TSRMLS_CC) == SUCCESS || ret == SUCCESS?SUCCESS:FAILURE; + } else if (Z_TYPE_P(zv) == IS_OBJECT) { + phpdbg_parse_variable_with_arg(input, len, Z_OBJPROP_P(zv), i, callback, silent, arg TSRMLS_CC); + } else if (Z_TYPE_P(zv) == IS_ARRAY) { + phpdbg_parse_variable_with_arg(input, len, Z_ARRVAL_P(zv), i, callback, silent, arg TSRMLS_CC); + } else { + /* Ignore silently */ + } + } ZEND_HASH_FOREACH_END(); + return ret; + } else if (new_index) { + char last_chr = last_index[index_len]; + last_index[index_len] = 0; + if (!(zv = zend_symtable_str_find(parent, last_index, index_len))) { + if (!silent) { + phpdbg_error("variable", "type=\"undefined\" variable=\"%.*s\"", "%.*s is undefined", (int) i, input); + } + return FAILURE; + } + while (Z_TYPE_P(zv) == IS_INDIRECT) { + zv = Z_INDIRECT_P(zv); + } + + last_index[index_len] = last_chr; + if (i == len) { + char *name = estrndup(input, len); + char *keyname = estrndup(last_index, index_len); + + ret = callback(name, len, keyname, index_len, parent, zv, arg TSRMLS_CC) == SUCCESS || ret == SUCCESS?SUCCESS:FAILURE; + } else if (Z_TYPE_P(zv) == IS_OBJECT) { + parent = Z_OBJPROP_P(zv); + } else if (Z_TYPE_P(zv) == IS_ARRAY) { + parent = Z_ARRVAL_P(zv); + } else { + phpdbg_error("variable", "type=\"notiterable\" variable=\"%.*s\"", "%.*s is nor an array nor an object", (int) i, input); + return FAILURE; + } + index_len = 0; + } + } + + return ret; + error: + phpdbg_error("variable", "type=\"invalidinput\"", "Malformed input"); + return FAILURE; +} + +int phpdbg_is_auto_global(char *name, int len TSRMLS_DC) { + int ret; + zend_string *str = zend_string_init(name, len, 0); + ret = zend_is_auto_global(str TSRMLS_CC); + efree(str); + return ret; +} + +static int phpdbg_xml_array_element_dump(zval *zv, zend_string *key, zend_ulong num TSRMLS_DC) { + phpdbg_xml("<element"); + + phpdbg_try_access { + if (key) { /* string key */ + phpdbg_xml(" name=\"%.*s\"", key->len, key->val); + } else { /* numeric key */ + phpdbg_xml(" name=\"%ld\"", num); + } + } phpdbg_catch_access { + phpdbg_xml(" severity=\"error\" ></element>"); + return 0; + } phpdbg_end_try_access(); + + phpdbg_xml(">"); + + phpdbg_xml_var_dump(zv TSRMLS_CC); + + phpdbg_xml("</element>"); + + return 0; +} + +static int phpdbg_xml_object_property_dump(zval *zv, zend_string *key, zend_ulong num TSRMLS_DC) { + phpdbg_xml("<property"); + + phpdbg_try_access { + if (key) { /* string key */ + const char *prop_name, *class_name; + int unmangle = zend_unmangle_property_name(key, &class_name, &prop_name); + + if (class_name && unmangle == SUCCESS) { + phpdbg_xml(" name=\"%s\"", prop_name); + if (class_name[0] == '*') { + phpdbg_xml(" protection=\"protected\""); + } else { + phpdbg_xml(" class=\"%s\" protection=\"private\"", class_name); + } + } else { + phpdbg_xml(" name=\"%.*s\" protection=\"public\"", key->len, key->val); + } + } else { /* numeric key */ + phpdbg_xml(" name=\"%ld\" protection=\"public\"", num); + } + } phpdbg_catch_access { + phpdbg_xml(" severity=\"error\" ></property>"); + return 0; + } phpdbg_end_try_access(); + + phpdbg_xml(">"); + + phpdbg_xml_var_dump(zv TSRMLS_CC); + + phpdbg_xml("</property>"); + + return 0; +} + +#define COMMON (is_ref ? "&" : "") + +PHPDBG_API void phpdbg_xml_var_dump(zval *zv TSRMLS_DC) { + HashTable *myht; + zend_string *class_name, *key; + zend_ulong num; + zval *val; + int (*element_dump_func)(zval *zv, zend_string *key, zend_ulong num TSRMLS_DC); + zend_bool is_ref = 0; + + int is_temp; + + phpdbg_try_access { + is_ref = Z_ISREF_P(zv) && GC_REFCOUNT(Z_COUNTED_P(zv)) > 1; + ZVAL_DEREF(zv); + + switch (Z_TYPE_P(zv)) { + case IS_TRUE: + phpdbg_xml("<bool refstatus=\"%s\" value=\"true\" />", COMMON); + break; + case IS_FALSE: + phpdbg_xml("<bool refstatus=\"%s\" value=\"false\" />", COMMON); + break; + case IS_NULL: + phpdbg_xml("<null refstatus=\"%s\" />", COMMON); + break; + case IS_LONG: + phpdbg_xml("<int refstatus=\"%s\" value=\"" ZEND_LONG_FMT "\" />", COMMON, Z_LVAL_P(zv)); + break; + case IS_DOUBLE: + phpdbg_xml("<float refstatus=\"%s\" value=\"%.*G\" />", COMMON, (int) EG(precision), Z_DVAL_P(zv)); + break; + case IS_STRING: + phpdbg_xml("<string refstatus=\"%s\" length=\"%d\" value=\"%.*s\" />", COMMON, Z_STRLEN_P(zv), Z_STRLEN_P(zv), Z_STRVAL_P(zv)); + break; + case IS_ARRAY: + myht = Z_ARRVAL_P(zv); + if (ZEND_HASH_APPLY_PROTECTION(myht) && ++myht->u.v.nApplyCount > 1) { + phpdbg_xml("<recursion />"); + --myht->u.v.nApplyCount; + break; + } + phpdbg_xml("<array refstatus=\"%s\" num=\"%d\">", COMMON, zend_hash_num_elements(myht)); + element_dump_func = phpdbg_xml_array_element_dump; + is_temp = 0; + goto head_done; + case IS_OBJECT: + myht = Z_OBJDEBUG_P(zv, is_temp); + if (myht && ++myht->u.v.nApplyCount > 1) { + phpdbg_xml("<recursion />"); + --myht->u.v.nApplyCount; + break; + } + + class_name = Z_OBJ_HANDLER_P(zv, get_class_name)(Z_OBJ_P(zv) TSRMLS_CC); + phpdbg_xml("<object refstatus=\"%s\" class=\"%.*s\" id=\"%d\" num=\"%d\">", COMMON, class_name->len, class_name->val, Z_OBJ_HANDLE_P(zv), myht ? zend_hash_num_elements(myht) : 0); + zend_string_release(class_name); + + element_dump_func = phpdbg_xml_object_property_dump; +head_done: + if (myht) { + ZEND_HASH_FOREACH_KEY_VAL_IND(myht, num, key, val) { + element_dump_func(val, key, num TSRMLS_CC); + } ZEND_HASH_FOREACH_END(); + zend_hash_apply_with_arguments(myht TSRMLS_CC, (apply_func_args_t) element_dump_func, 0); + --myht->u.v.nApplyCount; + if (is_temp) { + zend_hash_destroy(myht); + efree(myht); + } + } + if (Z_TYPE_P(zv) == IS_ARRAY) { + phpdbg_xml("</array>"); + } else { + phpdbg_xml("</object>"); + } + break; + case IS_RESOURCE: { + const char *type_name = zend_rsrc_list_get_rsrc_type(Z_RES_P(zv) TSRMLS_CC); + phpdbg_xml("<resource refstatus=\"%s\" id=\"%pd\" type=\"%ld\" />", COMMON, Z_RES_P(zv)->handle, type_name ? type_name : "unknown"); + break; + } + default: + break; + } + } phpdbg_end_try_access(); +} |