/* +----------------------------------------------------------------------+ | PHP version 4.0 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2001 The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 2.02 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available at through the world-wide-web at | | http://www.php.net/license/2_02.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: Rasmus Lerdorf | | Stig Bakken | | Andi Gutmans | | Zeev Suraski | | PHP 4.0 patches by Thies C. Arntzen (thies@thieso.net) | | PHP 4.1 streams by Wez Furlong (wez@thebrainroom.com) | +----------------------------------------------------------------------+ */ /* $Id$ */ /* Synced with php 3.0 revision 1.218 1999-06-16 [ssb] */ /* {{{ includes */ #include "php.h" #include "php_globals.h" #include "ext/standard/flock_compat.h" #include "ext/standard/exec.h" #include "ext/standard/php_filestat.h" #include "php_open_temporary_file.h" #include "ext/standard/basic_functions.h" #include #include #include #include #include #include #ifdef PHP_WIN32 #include #include #define O_RDONLY _O_RDONLY #include "win32/param.h" #include "win32/winutil.h" #else #include #include #include #include #if HAVE_ARPA_INET_H #include #endif #endif #include "ext/standard/head.h" #include "safe_mode.h" #include "php_string.h" #include "file.h" #if HAVE_PWD_H #ifdef PHP_WIN32 #include "win32/pwd.h" #else #include #endif #endif #ifdef HAVE_SYS_TIME_H #include #endif #include "fsock.h" #include "fopen_wrappers.h" #include "php_globals.h" #ifdef HAVE_SYS_FILE_H #include #endif #if MISSING_FCLOSE_DECL extern int fclose(FILE *); #endif #ifdef HAVE_SYS_MMAN_H #include #endif #ifndef MAP_FAILED #define MAP_FAILED ((void *) -1) #endif #include "scanf.h" #include "zend_API.h" #ifdef ZTS int file_globals_id; #else php_file_globals file_globals; #endif /* }}} */ /* {{{ ZTS-stuff / Globals / Prototypes */ /* sharing globals is *evil* */ static int le_fopen, le_popen, le_socket; /* sorry folks; including this even if you haven't enabled streams saves a zillion ifdefs */ static int le_stream = FAILURE; /* }}} */ /* {{{ Module-Stuff */ static void _file_popen_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) { FILE *pipe = (FILE *)rsrc->ptr; FG(pclose_ret) = pclose(pipe); } static void _file_socket_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) { int *sock = (int *)rsrc->ptr; SOCK_FCLOSE(*sock); #if HAVE_SHUTDOWN shutdown(*sock, 0); #endif efree(sock); } #if HAVE_PHP_STREAM static void _file_stream_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) { php_stream *stream = (php_stream*)rsrc->ptr; php_stream_close(stream); } #endif PHPAPI int php_file_le_stream(void) { return le_stream; } static void _file_fopen_dtor(zend_rsrc_list_entry *rsrc TSRMLS_DC) { FILE *fp = (FILE *)rsrc->ptr; fclose(fp); } PHPAPI int php_file_le_fopen(void) /* XXX doe we really want this???? */ { return le_fopen; } PHPAPI int php_file_le_popen(void) /* XXX you may not like this, but I need it. -- KK */ { return le_popen; } PHPAPI int php_file_le_socket(void) /* XXX doe we really want this???? */ { return le_socket; } static void file_globals_ctor(php_file_globals *file_globals_p TSRMLS_DC) { zend_hash_init(&FG(ht_fsock_keys), 0, NULL, NULL, 1); zend_hash_init(&FG(ht_fsock_socks), 0, NULL, (void (*)(void *))php_msock_destroy, 1); FG(def_chunk_size) = PHP_FSOCK_CHUNK_SIZE; FG(phpsockbuf) = NULL; FG(fgetss_state) = 0; FG(pclose_ret) = 0; } static void file_globals_dtor(php_file_globals *file_globals_p TSRMLS_DC) { zend_hash_destroy(&FG(ht_fsock_socks)); zend_hash_destroy(&FG(ht_fsock_keys)); php_cleanup_sockbuf(1 TSRMLS_CC); } PHP_MINIT_FUNCTION(file) { le_fopen = zend_register_list_destructors_ex(_file_fopen_dtor, NULL, "file", module_number); le_popen = zend_register_list_destructors_ex(_file_popen_dtor, NULL, "pipe", module_number); le_socket = zend_register_list_destructors_ex(_file_socket_dtor, NULL, "socket", module_number); #if HAVE_PHP_STREAM le_stream = zend_register_list_destructors_ex(_file_stream_dtor, NULL, "stream", module_number); #endif #ifdef ZTS ts_allocate_id(&file_globals_id, sizeof(php_file_globals), (ts_allocate_ctor) file_globals_ctor, (ts_allocate_dtor) file_globals_dtor); #else file_globals_ctor(&file_globals TSRMLS_CC); #endif REGISTER_LONG_CONSTANT("SEEK_SET", SEEK_SET, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SEEK_CUR", SEEK_CUR, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SEEK_END", SEEK_END, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("LOCK_SH", 1, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("LOCK_EX", 2, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("LOCK_UN", 3, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("LOCK_NB", 4, CONST_CS | CONST_PERSISTENT); return SUCCESS; } /* }}} */ PHP_MSHUTDOWN_FUNCTION(file) { #ifndef ZTS file_globals_dtor(&file_globals TSRMLS_CC); #endif return SUCCESS; } /* {{{ proto bool flock(int fp, int operation [, int wouldblock]) Portable file locking */ static int flock_values[] = { LOCK_SH, LOCK_EX, LOCK_UN }; PHP_FUNCTION(flock) { zval **arg1, **arg2, **arg3; int type, fd, act, ret, arg_count = ZEND_NUM_ARGS(); void *what; if (arg_count > 3 || zend_get_parameters_ex(arg_count, &arg1, &arg2, &arg3) == FAILURE) { WRONG_PARAM_COUNT; } what = zend_fetch_resource(arg1 TSRMLS_CC, -1, "File-Handle", &type, 4, le_fopen, le_popen, le_socket, le_stream); ZEND_VERIFY_RESOURCE(what); #if HAVE_PHP_STREAM if (type == le_stream) { if (php_stream_cast((php_stream*)what, PHP_STREAM_AS_FD, (void*)&fd, 1) == FAILURE) { RETURN_FALSE; } } else #endif if (type == le_socket) { fd = *(int *) what; } else { fd = fileno((FILE*) what); } convert_to_long_ex(arg2); act = Z_LVAL_PP(arg2) & 3; if (act < 1 || act > 3) { php_error(E_WARNING, "Illegal operation argument"); RETURN_FALSE; } /* flock_values contains all possible actions if (arg2 & 4) we won't block on the lock */ act = flock_values[act - 1] | (Z_LVAL_PP(arg2) & 4 ? LOCK_NB : 0); if ((ret=flock(fd, act)) == -1) { RETURN_FALSE; } if(ret == -1 && errno == EWOULDBLOCK && arg_count == 3) { ZVAL_LONG(*arg3, 1); } RETURN_TRUE; } /* }}} */ #define PHP_META_UNSAFE ".\\+*?[^]$() " /* {{{ proto array get_meta_tags(string filename [, int use_include_path]) Extracts all meta tag content attributes from a file and returns an array */ PHP_FUNCTION(get_meta_tags) { zval **filename, **arg2; int use_include_path = 0; int in_tag=0, in_meta_tag=0, done=0; int looking_for_val=0, have_name=0, have_content=0; int saw_name=0, saw_content=0; char *name=NULL, *value=NULL, *temp=NULL; php_meta_tags_token tok, tok_last; php_meta_tags_data md; /* check args */ switch (ZEND_NUM_ARGS()) { case 1: if (zend_get_parameters_ex(1, &filename) == FAILURE) { WRONG_PARAM_COUNT; } break; case 2: if (zend_get_parameters_ex(2, &filename, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_long_ex(arg2); use_include_path = Z_LVAL_PP(arg2); break; default: WRONG_PARAM_COUNT; } convert_to_string_ex(filename); md.fp = php_fopen_wrapper(Z_STRVAL_PP(filename), "rb", use_include_path | ENFORCE_SAFE_MODE, &md.issock, &md.socketd, NULL TSRMLS_CC); if (!md.fp && !md.socketd) { if (md.issock != BAD_URL) { char *tmp = estrndup(Z_STRVAL_PP(filename), Z_STRLEN_PP(filename)); php_strip_url_passwd(tmp); php_error(E_WARNING, "get_meta_tags(\"%s\") - %s", tmp, strerror(errno)); efree(tmp); } RETURN_FALSE; } array_init(return_value); tok_last = TOK_EOF; md.ulc = 0; md.token_data = NULL; md.token_len = 0; while (!done && (tok = php_next_meta_token(&md)) != TOK_EOF) { if (tok == TOK_ID) { if (tok_last == TOK_OPENTAG) { in_meta_tag = !strcasecmp("meta", md.token_data); md.in_meta = in_meta_tag; } else if (tok_last == TOK_SLASH && in_tag) { if (strcasecmp("head", md.token_data) == 0) { /* We are done here! */ done = 1; } } else if (tok_last == TOK_EQUAL && looking_for_val) { if (saw_name) { /* Get the NAME attr (Single word attr, non-quoted) */ temp = name = estrndup(md.token_data, md.token_len); while (temp && *temp) { if (strchr(PHP_META_UNSAFE, *temp)) { *temp = '_'; } temp++; } have_name = 1; } else if (saw_content) { /* Get the CONTENT attr (Single word attr, non-quoted) */ if (PG(magic_quotes_runtime)) { value = php_addslashes(md.token_data, 0, &md.token_len, 0 TSRMLS_CC); } else { value = estrndup(md.token_data, md.token_len); } have_content = 1; } looking_for_val = 0; } else { if (in_meta_tag) { if (strcasecmp("name", md.token_data) == 0) { saw_name = 1; saw_content = 0; looking_for_val = 1; } else if (strcasecmp("content", md.token_data) == 0) { saw_name = 0; saw_content = 1; looking_for_val = 1; } } } } else if (tok == TOK_STRING && tok_last == TOK_EQUAL && looking_for_val) { if (saw_name) { /* Get the NAME attr (Quoted single/double) */ temp = name = estrndup(md.token_data, md.token_len); while (temp && *temp) { if (strchr(PHP_META_UNSAFE, *temp)) { *temp = '_'; } temp++; } have_name = 1; } else if (saw_content) { /* Get the CONTENT attr (Single word attr, non-quoted) */ if (PG(magic_quotes_runtime)) { value = php_addslashes(md.token_data, 0, &md.token_len, 0 TSRMLS_CC); } else { value = estrndup(md.token_data, md.token_len); } have_content = 1; } looking_for_val = 0; } else if (tok == TOK_OPENTAG) { if (looking_for_val) { looking_for_val = 0; have_name = saw_name = 0; have_content = saw_content = 0; } in_tag = 1; } else if (tok == TOK_CLOSETAG) { if (have_name) { /* For BC */ php_strtolower(name, strlen(name)); if (have_content) { add_assoc_string(return_value, name, value, 0); } else { add_assoc_string(return_value, name, empty_string, 0); } efree(name); } else if (have_content) { efree(value); } name = value = NULL; /* Reset all of our flags */ in_tag = in_meta_tag = looking_for_val = 0; have_name = saw_name = 0; have_content = saw_content = 0; md.in_meta = 0; } tok_last = tok; if (md.token_data) efree(md.token_data); md.token_data = NULL; } if (md.issock) { SOCK_FCLOSE(md.socketd); } else { fclose(md.fp); } } /* }}} */ /* {{{ proto array file(string filename [, int use_include_path]) Read entire file into an array */ #define PHP_FILE_BUF_SIZE 80 PHP_FUNCTION(file) { zval **filename, **arg2; FILE *fp; char *slashed, *target_buf; register int i=0; int use_include_path = 0; int issock=0, socketd=0; int target_len, len; zend_bool reached_eof=0; /* check args */ switch (ZEND_NUM_ARGS()) { case 1: if (zend_get_parameters_ex(1, &filename) == FAILURE) { WRONG_PARAM_COUNT; } break; case 2: if (zend_get_parameters_ex(2, &filename, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_long_ex(arg2); use_include_path = Z_LVAL_PP(arg2); break; default: WRONG_PARAM_COUNT; } convert_to_string_ex(filename); fp = php_fopen_wrapper(Z_STRVAL_PP(filename), "rb", use_include_path | ENFORCE_SAFE_MODE, &issock, &socketd, NULL TSRMLS_CC); if (!fp && !socketd) { if (issock != BAD_URL) { char *tmp = estrndup(Z_STRVAL_PP(filename), Z_STRLEN_PP(filename)); php_strip_url_passwd(tmp); php_error(E_WARNING, "file(\"%s\") - %s", tmp, strerror(errno)); efree(tmp); } RETURN_FALSE; } /* Initialize return array */ array_init(return_value); /* Now loop through the file and do the magic quotes thing if needed */ target_len = 0; target_buf = NULL; while (1) { if (!target_buf) { target_buf = (char *) emalloc(PHP_FILE_BUF_SIZE+1); target_buf[PHP_FILE_BUF_SIZE] = 0; /* avoid overflows */ } else { target_buf = (char *) erealloc(target_buf, target_len+PHP_FILE_BUF_SIZE+1); target_buf[target_len+PHP_FILE_BUF_SIZE] = 0; /* avoid overflows */ } if (FP_FGETS(target_buf+target_len, PHP_FILE_BUF_SIZE, socketd, fp, issock)==NULL) { if (target_len==0) { efree(target_buf); break; } else { reached_eof = 1; } } if (!reached_eof) { target_len += strlen(target_buf+target_len); if (target_buf[target_len-1]!='\n') { continue; } } if (PG(magic_quotes_runtime)) { slashed = php_addslashes(target_buf, target_len, &len, 1 TSRMLS_CC); /* 1 = free source string */ add_index_stringl(return_value, i++, slashed, len, 0); } else { target_buf = erealloc(target_buf, target_len+1); /* do we really want to do that? */ add_index_stringl(return_value, i++, target_buf, target_len, 0); } if (reached_eof) { break; } target_buf = NULL; target_len = 0; } if (issock) { SOCK_FCLOSE(socketd); } else { fclose(fp); } } /* }}} */ /* {{{ proto string tempnam(string dir, string prefix) Create a unique filename in a directory */ PHP_FUNCTION(tempnam) { pval **arg1, **arg2; char *d; char *opened_path; char p[64]; FILE *fp; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(arg1); convert_to_string_ex(arg2); d = estrndup(Z_STRVAL_PP(arg1), Z_STRLEN_PP(arg1)); strlcpy(p, Z_STRVAL_PP(arg2), sizeof(p)); if ((fp = php_open_temporary_file(d, p, &opened_path TSRMLS_CC))) { fclose(fp); RETVAL_STRING(opened_path, 0); } else { RETVAL_FALSE; } efree(d); } /* }}} */ /* {{{ proto int tmpfile(void) Create a temporary file that will be deleted automatically after use */ PHP_NAMED_FUNCTION(php_if_tmpfile) { FILE *fp; if (ZEND_NUM_ARGS() != 0) { WRONG_PARAM_COUNT; } fp = tmpfile(); if (fp == NULL) { php_error(E_WARNING, "tmpfile(): %s", strerror(errno)); RETURN_FALSE; } ZEND_REGISTER_RESOURCE(return_value, fp, le_fopen); } /* }}} */ #if HAVE_PHP_STREAM /* {{{ PHP_FUNCTION */ PHP_FUNCTION(fopenstream) { zval ** zfilename, ** zmode; php_stream * stream; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &zfilename, &zmode) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(zfilename); convert_to_string_ex(zmode); stream = php_stream_fopen(Z_STRVAL_PP(zfilename), Z_STRVAL_PP(zmode)); if (stream == NULL) { zend_error(E_WARNING, "%s(): unable to open %s: %s", get_active_function_name(TSRMLS_C), Z_STRVAL_PP(zfilename), strerror(errno)); RETURN_FALSE; } ZEND_REGISTER_RESOURCE(return_value, stream, le_stream); } /* }}} */ #endif /* {{{ proto int fopen(string filename, string mode [, int use_include_path]) Open a file or a URL and return a file pointer */ PHP_NAMED_FUNCTION(php_if_fopen) { zval **arg1, **arg2, **arg3; FILE *fp; char *p; int *sock; int use_include_path = 0; int issock=0, socketd=0; switch(ZEND_NUM_ARGS()) { case 2: if (zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } break; case 3: if (zend_get_parameters_ex(3, &arg1, &arg2, &arg3) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_long_ex(arg3); use_include_path = Z_LVAL_PP(arg3); break; default: WRONG_PARAM_COUNT; } convert_to_string_ex(arg1); convert_to_string_ex(arg2); p = estrndup(Z_STRVAL_PP(arg2), Z_STRLEN_PP(arg2)); /* * We need a better way of returning error messages from * php_fopen_wrapper(). */ fp = php_fopen_wrapper(Z_STRVAL_PP(arg1), p, use_include_path | ENFORCE_SAFE_MODE, &issock, &socketd, NULL TSRMLS_CC); if (!fp && !socketd) { if (issock != BAD_URL) { char *tmp = estrndup(Z_STRVAL_PP(arg1), Z_STRLEN_PP(arg1)); php_strip_url_passwd(tmp); php_error(E_WARNING, "fopen(\"%s\", \"%s\") - %s", tmp, p, strerror(errno)); efree(tmp); } efree(p); RETURN_FALSE; } efree(p); FG(fgetss_state) = 0; if (issock) { sock = emalloc(sizeof(int)); *sock = socketd; ZEND_REGISTER_RESOURCE(return_value, sock, le_socket); } else { ZEND_REGISTER_RESOURCE(return_value, fp, le_fopen); } } /* }}} */ /* {{{ proto int fclose(int fp) Close an open file pointer */ PHP_FUNCTION(fclose) { zval **arg1; int type; void *what; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } what = zend_fetch_resource(arg1 TSRMLS_CC, -1, "File-Handle", &type, 3, le_fopen, le_socket, le_stream); ZEND_VERIFY_RESOURCE(what); zend_list_delete(Z_LVAL_PP(arg1)); RETURN_TRUE; } /* }}} */ /* {{{ proto int popen(string command, string mode) Execute a command and open either a read or a write pipe to it */ PHP_FUNCTION(popen) { zval **arg1, **arg2; FILE *fp; char *p, *tmp = NULL; char *b, buf[1024]; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(arg1); convert_to_string_ex(arg2); p = estrndup(Z_STRVAL_PP(arg2), Z_STRLEN_PP(arg2)); if (PG(safe_mode)){ b = strchr(Z_STRVAL_PP(arg1), ' '); if (!b) { b = strrchr(Z_STRVAL_PP(arg1), '/'); } else { char *c; c = Z_STRVAL_PP(arg1); while((*b != '/') && (b != c)) { b--; } if (b == c) { b = NULL; } } if (b) { snprintf(buf, sizeof(buf), "%s%s", PG(safe_mode_exec_dir), b); } else { snprintf(buf, sizeof(buf), "%s/%s", PG(safe_mode_exec_dir), Z_STRVAL_PP(arg1)); } tmp = php_escape_shell_cmd(buf); fp = VCWD_POPEN(tmp, p); efree(tmp); if (!fp) { php_error(E_WARNING, "popen(\"%s\", \"%s\") - %s", buf, p, strerror(errno)); RETURN_FALSE; } } else { fp = VCWD_POPEN(Z_STRVAL_PP(arg1), p); if (!fp) { php_error(E_WARNING, "popen(\"%s\", \"%s\") - %s", Z_STRVAL_PP(arg1), p, strerror(errno)); efree(p); RETURN_FALSE; } } efree(p); ZEND_REGISTER_RESOURCE(return_value, fp, le_popen); } /* }}} */ /* {{{ proto int pclose(int fp) Close a file pointer opened by popen() */ PHP_FUNCTION(pclose) { zval **arg1; void *what; if (ARG_COUNT(ht) != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } what = zend_fetch_resource(arg1 TSRMLS_CC,-1, "File-Handle", NULL, 1, le_popen); ZEND_VERIFY_RESOURCE(what); zend_list_delete(Z_LVAL_PP(arg1)); RETURN_LONG(FG(pclose_ret)); } /* }}} */ /* {{{ proto int feof(int fp) Test for end-of-file on a file pointer */ PHP_FUNCTION(feof) { zval **arg1; int type; int issock=0; int socketd=0; void *what; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } what = zend_fetch_resource(arg1 TSRMLS_CC, -1, "File-Handle", &type, 4, le_fopen, le_popen, le_socket, le_stream); ZEND_VERIFY_RESOURCE(what); if (type == le_socket) { issock = 1; socketd = *(int *) what; } #if HAVE_PHP_STREAM if (type == le_stream) { if (php_stream_eof((php_stream *) what)) { RETURN_TRUE; } RETURN_FALSE; } else #endif { if (FP_FEOF(socketd, (FILE *) what, issock)) { RETURN_TRUE; } else { RETURN_FALSE; } } } /* }}} */ /* {{{ proto int set_socket_blocking(int socket_descriptor, int mode) Set blocking/non-blocking mode on a socket */ PHPAPI int php_set_sock_blocking(int socketd, int block) { int ret = SUCCESS; int flags; int myflag = 0; #ifdef PHP_WIN32 /* with ioctlsocket, a non-zero sets nonblocking, a zero sets blocking */ flags = !block; if (ioctlsocket(socketd, FIONBIO, &flags)==SOCKET_ERROR){ php_error(E_WARNING, "%s", WSAGetLastError()); ret = FALSE; } #else flags = fcntl(socketd, F_GETFL); #ifdef O_NONBLOCK myflag = O_NONBLOCK; /* POSIX version */ #elif defined(O_NDELAY) myflag = O_NDELAY; /* old non-POSIX version */ #endif if (!block) { flags |= myflag; } else { flags &= ~myflag; } fcntl(socketd, F_SETFL, flags); #endif return ret; } PHP_FUNCTION(socket_set_blocking) { zval **arg1, **arg2; int block, type; int socketd = 0; void *what; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } what = zend_fetch_resource(arg1 TSRMLS_CC, -1, "File-Handle", &type, 2, le_socket, le_stream); ZEND_VERIFY_RESOURCE(what); convert_to_long_ex(arg2); block = Z_LVAL_PP(arg2); if (type == le_socket) { socketd = *(int *) what; } #if HAVE_PHP_STREAM else if (type == le_stream) { if (php_stream_cast((php_stream *) what, PHP_STREAM_AS_SOCKETD, (void *) &socketd, 1) == FAILURE) { RETURN_FALSE; } } #endif if (php_set_sock_blocking(socketd, block) == FAILURE) RETURN_FALSE; php_sockset_blocking(socketd, block == 0 ? 0 : 1); RETURN_TRUE; } /* }}} */ PHP_FUNCTION(set_socket_blocking) { php_error(E_NOTICE, "set_socket_blocking() is deprecated, use socket_set_blocking() instead"); PHP_FN(socket_set_blocking)(INTERNAL_FUNCTION_PARAM_PASSTHRU); } /* {{{ proto bool socket_set_timeout(int socket_descriptor, int seconds, int microseconds) Set timeout on socket read to seconds + microseonds */ PHP_FUNCTION(socket_set_timeout) { #if HAVE_SYS_TIME_H zval **socket, **seconds, **microseconds; int type; void *what; int socketd = 0; struct timeval t; if (ZEND_NUM_ARGS() < 2 || ZEND_NUM_ARGS() > 3 || zend_get_parameters_ex(ZEND_NUM_ARGS(), &socket, &seconds, µseconds)==FAILURE) { WRONG_PARAM_COUNT; } /* XXX: add stream support --Wez. */ what = zend_fetch_resource(socket TSRMLS_CC, -1, "File-Handle", &type, 1, le_socket); ZEND_VERIFY_RESOURCE(what); socketd = *(int *) what; convert_to_long_ex(seconds); t.tv_sec = Z_LVAL_PP(seconds); if (ZEND_NUM_ARGS() == 3) { convert_to_long_ex(microseconds); t.tv_usec = Z_LVAL_PP(microseconds) % 1000000; t.tv_sec += Z_LVAL_PP(microseconds) / 1000000; } else t.tv_usec = 0; php_sockset_timeout(socketd, &t); RETURN_TRUE; #endif /* HAVE_SYS_TIME_H */ } /* }}} */ /* {{{ proto array socket_get_status(resource socket_descriptor) Return an array describing socket status */ PHP_FUNCTION(socket_get_status) { zval **socket; int type; void *what; int socketd = 0; struct php_sockbuf *sock; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(ZEND_NUM_ARGS(), &socket) == FAILURE) { WRONG_PARAM_COUNT; } /* XXX: add stream support --Wez. */ what = zend_fetch_resource(socket TSRMLS_CC, -1, "File-Handle", &type, 1, le_socket); ZEND_VERIFY_RESOURCE(what); socketd = *(int *) what; sock = php_get_socket(socketd); array_init(return_value); add_assoc_bool(return_value, "timed_out", sock->timeout_event); add_assoc_bool(return_value, "blocked", sock->is_blocked); add_assoc_bool(return_value, "eof", sock->eof); add_assoc_long(return_value, "unread_bytes", sock->writepos - sock->readpos); } /* }}} */ /* {{{ proto string fgets(int fp, int length) Get a line from file pointer */ PHP_FUNCTION(fgets) { zval **arg1, **arg2; int len, type; char *buf; int issock=0; int socketd=0; void *what; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } what = zend_fetch_resource(arg1 TSRMLS_CC, -1, "File-Handle", &type, 4, le_fopen, le_popen, le_socket, le_stream); ZEND_VERIFY_RESOURCE(what); convert_to_long_ex(arg2); len = Z_LVAL_PP(arg2); if (len < 0) { php_error(E_WARNING, "length parameter to fgets() may not be negative"); RETURN_FALSE; } if (type == le_socket) { issock = 1; socketd = *(int *) what; } buf = emalloc(sizeof(char) * (len + 1)); /* needed because recv doesnt put a null at the end*/ memset(buf, 0, len+1); #if HAVE_PHP_STREAM if (type == le_stream) { if (php_stream_gets((php_stream *) what, buf, len) == NULL) goto exit_failed; } else #endif { if (type == le_socket) { issock = 1; socketd = *(int *) what; } #ifdef HAVE_FLUSHIO if (type == le_fopen) { fseek((FILE *) what, 0, SEEK_CUR); } #endif if (FP_FGETS(buf, len, socketd, (FILE *) what, issock) == NULL) goto exit_failed; } if (PG(magic_quotes_runtime)) { Z_STRVAL_P(return_value) = php_addslashes(buf, 0, &Z_STRLEN_P(return_value), 1 TSRMLS_CC); Z_TYPE_P(return_value) = IS_STRING; } else { ZVAL_STRING(return_value, buf, 0); /* resize buffer if it's much larger than the result */ if (Z_STRLEN_P(return_value) < len / 2) { Z_STRVAL_P(return_value) = erealloc(buf, Z_STRLEN_P(return_value) + 1); } } return; exit_failed: RETVAL_FALSE; efree(buf); } /* }}} */ /* {{{ proto string fgetc(int fp) Get a character from file pointer */ PHP_FUNCTION(fgetc) { zval **arg1; int type; char *buf; int issock=0; int socketd=0; void *what; int result; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } what = zend_fetch_resource(arg1 TSRMLS_CC, -1, "File-Handle", &type, 4, le_fopen, le_popen, le_socket, le_stream); ZEND_VERIFY_RESOURCE(what); if (type == le_socket) { issock = 1; socketd = *(int *) what; } #ifdef HAVE_FLUSHIO if (type == le_fopen) { fseek((FILE *) what, 0, SEEK_CUR); } #endif buf = emalloc(sizeof(int)); #if HAVE_PHP_STREAM if (type == le_stream) { result = php_stream_getc((php_stream*)what); } else #endif result = FP_FGETC(socketd, (FILE *) what, issock); if (result == EOF) { efree(buf); RETVAL_FALSE; } else { buf[0] = result; buf[1] = '\0'; RETURN_STRINGL(buf, 1, 0); } } /* }}} */ /* {{{ proto string fgetss(int fp, int length [, string allowable_tags]) Get a line from file pointer and strip HTML tags */ PHP_FUNCTION(fgetss) { zval **fd, **bytes, **allow=NULL; int len, type; char *buf; int issock=0; int socketd=0; void *what; char *allowed_tags=NULL; int allowed_tags_len=0; switch(ZEND_NUM_ARGS()) { case 2: if (zend_get_parameters_ex(2, &fd, &bytes) == FAILURE) { RETURN_FALSE; } break; case 3: if (zend_get_parameters_ex(3, &fd, &bytes, &allow) == FAILURE) { RETURN_FALSE; } convert_to_string_ex(allow); allowed_tags = Z_STRVAL_PP(allow); allowed_tags_len = Z_STRLEN_PP(allow); break; default: WRONG_PARAM_COUNT; /* NOTREACHED */ break; } what = zend_fetch_resource(fd TSRMLS_CC, -1, "File-Handle", &type, 4, le_fopen, le_popen, le_socket, le_stream); ZEND_VERIFY_RESOURCE(what); if (type == le_socket) { issock = 1; socketd = *(int *) what; } convert_to_long_ex(bytes); len = Z_LVAL_PP(bytes); if (len < 0) { php_error(E_WARNING, "length parameter to fgetss() may not be negative"); RETURN_FALSE; } buf = emalloc(sizeof(char) * (len + 1)); /*needed because recv doesnt set null char at end*/ memset(buf, 0, len + 1); #if HAVE_PHP_STREAM if (type == le_stream) { if (php_stream_gets((php_stream *) what, buf, len) == NULL) { efree(buf); RETURN_FALSE; } } else #endif if (FP_FGETS(buf, len, socketd, (FILE *) what, issock) == NULL) { efree(buf); RETURN_FALSE; } /* strlen() can be used here since we are doing it on the return of an fgets() anyway */ php_strip_tags(buf, strlen(buf), FG(fgetss_state), allowed_tags, allowed_tags_len); RETURN_STRING(buf, 0); } /* }}} */ /* {{{ proto mixed fscanf(string str, string format [, string ...]) Implements a mostly ANSI compatible fscanf() */ PHP_FUNCTION(fscanf) { int result; zval **file_handle, **format_string; int len, type; char *buf; int issock=0; int socketd=0; void *what; zval ***args; int argCount; argCount = ZEND_NUM_ARGS(); if (argCount < 2) { WRONG_PARAM_COUNT; } args = (zval ***)emalloc(argCount * sizeof(zval **)); if (!args || (zend_get_parameters_array_ex(argCount, args) == FAILURE)) { efree( args ); WRONG_PARAM_COUNT; } file_handle = args[0]; format_string = args[1]; what = zend_fetch_resource(file_handle TSRMLS_CC, -1, "File-Handle", &type, 4, le_fopen, le_popen, le_socket, le_stream); /* * we can't do a ZEND_VERIFY_RESOURCE(what), otherwise we end up * with a leak if we have an invalid filehandle. This needs changing * if the code behind ZEND_VERIFY_RESOURCE changed. - cc */ if (!what) { efree(args); RETURN_FALSE; } len = SCAN_MAX_FSCANF_BUFSIZE; if (type == le_socket) { issock = 1; socketd = *(int *) what; } buf = emalloc(len + 1); /* needed because recv doesnt put a null at the end*/ memset(buf, 0, len+1); #if HAVE_PHP_STREAM if (type == le_stream) { if (php_stream_gets((php_stream *) what, buf, len) == NULL) { efree(buf); RETURN_FALSE; } } else #endif if (FP_FGETS(buf, len, socketd, (FILE *) what, issock) == NULL) { efree(buf); RETURN_FALSE; } convert_to_string_ex(format_string); result = php_sscanf_internal(buf, Z_STRVAL_PP(format_string), argCount, args, 2, &return_value TSRMLS_CC); efree(args); efree(buf); if (SCAN_ERROR_WRONG_PARAM_COUNT == result) { WRONG_PARAM_COUNT } } /* }}} */ /* {{{ proto int fwrite(int fp, string str [, int length]) Binary-safe file write */ PHP_FUNCTION(fwrite) { zval **arg1, **arg2, **arg3=NULL; int ret, type; int num_bytes; int issock=0; int socketd=0; void *what; switch (ZEND_NUM_ARGS()) { case 2: if (zend_get_parameters_ex(2, &arg1, &arg2)==FAILURE) { RETURN_FALSE; } convert_to_string_ex(arg2); num_bytes = Z_STRLEN_PP(arg2); break; case 3: if (zend_get_parameters_ex(3, &arg1, &arg2, &arg3)==FAILURE) { RETURN_FALSE; } convert_to_string_ex(arg2); convert_to_long_ex(arg3); num_bytes = MIN(Z_LVAL_PP(arg3), Z_STRLEN_PP(arg2)); break; default: WRONG_PARAM_COUNT; /* NOTREACHED */ break; } what = zend_fetch_resource(arg1 TSRMLS_CC, -1, "File-Handle", &type, 4, le_fopen, le_popen, le_socket, le_stream); ZEND_VERIFY_RESOURCE(what); if (type == le_socket) { issock =1; socketd = *(int *) what; } if (!arg3 && PG(magic_quotes_runtime)) { zval_copy_ctor(*arg2); php_stripslashes(Z_STRVAL_PP(arg2), &num_bytes TSRMLS_CC); } #if HAVE_PHP_STREAM if (type == le_stream) { ret = php_stream_write((php_stream *) what, Z_STRVAL_PP(arg2), num_bytes); } else #endif if (issock){ ret = SOCK_WRITEL(Z_STRVAL_PP(arg2), num_bytes, socketd); } else { #ifdef HAVE_FLUSHIO if (type == le_fopen) { fseek((FILE *) what, 0, SEEK_CUR); } #endif ret = fwrite(Z_STRVAL_PP(arg2), 1, num_bytes, (FILE *) what); } RETURN_LONG(ret); } /* }}} */ /* {{{ proto int fflush(int fp) Flushes output */ PHP_FUNCTION(fflush) { zval **arg1; int ret, type; int issock=0; int socketd=0; void *what; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } what = zend_fetch_resource(arg1 TSRMLS_CC,-1, "File-Handle", &type, 4, le_fopen, le_popen, le_socket, le_stream); ZEND_VERIFY_RESOURCE(what); #if HAVE_PHP_STREAM if (type == le_stream) { ret = php_stream_flush((php_stream *) what); if (ret) { RETURN_FALSE; } RETURN_TRUE; } #endif if (type == le_socket) { issock =1; socketd = *(int *) what; } if (issock){ ret = fsync(socketd); } else { ret = fflush((FILE *) what); } if (ret) { RETURN_FALSE; } else { RETURN_TRUE; } } /* }}} */ /* {{{ proto int set_file_buffer(int fp, int buffer) Set file write buffer */ PHP_FUNCTION(set_file_buffer) { zval **arg1, **arg2; int ret, type, buff; void *what; switch (ZEND_NUM_ARGS()) { case 2: if (zend_get_parameters_ex(2, &arg1, &arg2)==FAILURE) { RETURN_FALSE; } break; default: WRONG_PARAM_COUNT; /* NOTREACHED */ break; } /* XXX: add stream support --Wez. */ what = zend_fetch_resource(arg1 TSRMLS_CC,-1, "File-Handle", &type, 2, le_fopen, le_popen); ZEND_VERIFY_RESOURCE(what); convert_to_long_ex(arg2); buff = Z_LVAL_PP(arg2); /* if buff is 0 then set to non-buffered */ if (buff == 0){ ret = setvbuf((FILE *) what, NULL, _IONBF, 0); } else { ret = setvbuf((FILE *) what, NULL, _IOFBF, buff); } RETURN_LONG(ret); } /* }}} */ /* {{{ proto int rewind(int fp) Rewind the position of a file pointer */ PHP_FUNCTION(rewind) { zval **arg1; void *what; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } /* XXX: add stream support --Wez. */ what = zend_fetch_resource(arg1 TSRMLS_CC,-1, "File-Handle", NULL, 2, le_fopen, le_popen); ZEND_VERIFY_RESOURCE(what); rewind((FILE *) what); RETURN_TRUE; } /* }}} */ /* {{{ proto int ftell(int fp) Get file pointer's read/write position */ PHP_FUNCTION(ftell) { zval **arg1; void *what; long ret; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } /* XXX: add stream support --Wez. */ what = zend_fetch_resource(arg1 TSRMLS_CC,-1, "File-Handle", NULL, 2, le_fopen, le_popen); ZEND_VERIFY_RESOURCE(what); ret = ftell((FILE *) what); if (ret == -1) { RETURN_FALSE; } RETURN_LONG(ret); } /* }}} */ /* {{{ proto int fseek(int fp, int offset [, int whence]) Seek on a file pointer */ PHP_FUNCTION(fseek) { zval **arg1, **arg2, **arg3; int argcount = ZEND_NUM_ARGS(), whence = SEEK_SET; void *what; if (argcount < 2 || argcount > 3 || zend_get_parameters_ex(argcount, &arg1, &arg2, &arg3) == FAILURE) { WRONG_PARAM_COUNT; } /* XXX: add stream support --Wez. */ what = zend_fetch_resource(arg1 TSRMLS_CC,-1, "File-Handle", NULL, 2, le_fopen, le_popen); ZEND_VERIFY_RESOURCE(what); convert_to_long_ex(arg2); if (argcount > 2) { convert_to_long_ex(arg3); whence = Z_LVAL_PP(arg3); } RETURN_LONG(fseek((FILE *) what, Z_LVAL_PP(arg2), whence)); } /* }}} */ /* {{{ proto int mkdir(string pathname, int mode) Create a directory */ PHP_FUNCTION(mkdir) { zval **arg1, **arg2; int ret; mode_t mode; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(arg1); convert_to_long_ex(arg2); mode = (mode_t) Z_LVAL_PP(arg2); if (PG(safe_mode) &&(!php_checkuid(Z_STRVAL_PP(arg1), NULL, CHECKUID_ALLOW_ONLY_DIR))) { RETURN_FALSE; } ret = VCWD_MKDIR(Z_STRVAL_PP(arg1), mode); if (ret < 0) { php_error(E_WARNING, "mkdir() failed (%s)", strerror(errno)); RETURN_FALSE; } RETURN_TRUE; } /* }}} */ /* {{{ proto int rmdir(string dirname) Remove a directory */ PHP_FUNCTION(rmdir) { zval **arg1; int ret; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(arg1); if (PG(safe_mode) &&(!php_checkuid(Z_STRVAL_PP(arg1), NULL, CHECKUID_ALLOW_FILE_NOT_EXISTS))) { RETURN_FALSE; } ret = VCWD_RMDIR(Z_STRVAL_PP(arg1)); if (ret < 0) { php_error(E_WARNING, "rmdir() failed (%s)", strerror(errno)); RETURN_FALSE; } RETURN_TRUE; } /* }}} */ /* {{{ php_passthru_fd */ static size_t php_passthru_fd(int socketd, FILE *fp, int issock TSRMLS_DC) { size_t bcount = 0; int ready = 0; char buf[8192]; /* XXX: add stream support --Wez. */ #ifdef HAVE_MMAP if (!issock) { int fd; struct stat sbuf; off_t off; void *p; size_t len; fd = fileno(fp); fstat(fd, &sbuf); if (sbuf.st_size > sizeof(buf)) { off = ftell(fp); len = sbuf.st_size - off; p = mmap(0, len, PROT_READ, MAP_SHARED, fd, off); if (p != (void *) MAP_FAILED) { BG(mmap_file) = p; BG(mmap_len) = len; PHPWRITE(p, len); BG(mmap_file) = NULL; munmap(p, len); bcount += len; ready = 1; } } } #endif if(!ready) { int b; while ((b = FP_FREAD(buf, sizeof(buf), socketd, fp, issock)) > 0) { PHPWRITE(buf, b); bcount += b; } } return bcount; } /* }}} */ /* {{{ proto int readfile(string filename [, int use_include_path]) Output a file or a URL */ PHP_FUNCTION(readfile) { zval **arg1, **arg2; FILE *fp; int size=0; int use_include_path=0; int issock=0, socketd=0; int rsrc_id; /* check args */ switch (ZEND_NUM_ARGS()) { case 1: if (zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } break; case 2: if (zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_long_ex(arg2); use_include_path = Z_LVAL_PP(arg2); break; default: WRONG_PARAM_COUNT; } convert_to_string_ex(arg1); /* * We need a better way of returning error messages from * php_fopen_wrapper(). */ fp = php_fopen_wrapper(Z_STRVAL_PP(arg1), "rb", use_include_path | ENFORCE_SAFE_MODE, &issock, &socketd, NULL TSRMLS_CC); if (!fp && !socketd) { if (issock != BAD_URL) { char *tmp = estrndup(Z_STRVAL_PP(arg1), Z_STRLEN_PP(arg1)); php_strip_url_passwd(tmp); php_error(E_WARNING, "readfile(\"%s\") - %s", tmp, strerror(errno)); efree(tmp); } RETURN_FALSE; } if (issock) { int *sock = emalloc(sizeof(int)); *sock = socketd; rsrc_id = ZEND_REGISTER_RESOURCE(NULL, sock, php_file_le_socket()); } else { rsrc_id = ZEND_REGISTER_RESOURCE(NULL, fp, php_file_le_fopen()); } size = php_passthru_fd(socketd, fp, issock TSRMLS_CC); zend_list_delete(rsrc_id); RETURN_LONG(size); } /* }}} */ #if HAVE_MMAP /* {{{ proto string mmapfile (string filename [, int bytes_to_read]) Read a file into a variable with mmap */ PHP_FUNCTION(mmapfile) { zval **arg1, **arg2; int in, bytes_to_read = 0; char *data; char *in_addr; struct stat f_stat; memset (&f_stat, 0, sizeof (f_stat)); /* check args */ switch (ARG_COUNT(ht)) { case 1: if (zend_get_parameters_ex (1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } break; case 2: if (zend_get_parameters_ex (2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_long_ex (arg2); bytes_to_read = (*arg2)->value.lval; break; default: WRONG_PARAM_COUNT; } convert_to_string_ex (arg1); if ((in = open ((*arg1)->value.str.val, O_RDONLY)) == -1) { php_error (E_WARNING, "can't re-open input file for mmap"); RETURN_FALSE; } if (fstat (in, &f_stat)) { php_error (E_WARNING, "cannot get file information"); RETURN_FALSE; } if (!bytes_to_read) { bytes_to_read = f_stat.st_size; } else { bytes_to_read = (bytes_to_read < f_stat.st_size) ? bytes_to_read : f_stat.st_size; } if ((in_addr = mmap (NULL, bytes_to_read, PROT_READ, MAP_SHARED, in, 0)) == (char*) -1) { php_error (E_WARNING, "can't mmap file"); RETURN_FALSE; } data = emalloc (bytes_to_read + 1); data[bytes_to_read + 1] = '\0'; if (!memcpy(data, in_addr, bytes_to_read)) { efree (data); php_error (E_WARNING, "cannot copy file to memory"); RETURN_FALSE; } if (munmap(in_addr, bytes_to_read)) { efree (data); php_error (E_WARNING, "cannot unmap the file"); RETURN_FALSE; } if (close(in)) { efree (data); php_error (E_WARNING, "cannot close file"); RETURN_FALSE; } RETURN_STRINGL(data, bytes_to_read + 1, 0); } /* }}} */ #endif /* {{{ proto int umask([int mask]) Return or change the umask */ PHP_FUNCTION(umask) { pval **arg1; int oldumask; int arg_count = ZEND_NUM_ARGS(); oldumask = umask(077); if (arg_count == 0) { umask(oldumask); } else { if (arg_count > 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_long_ex(arg1); umask(Z_LVAL_PP(arg1)); } /* XXX we should maybe reset the umask after each request! */ RETURN_LONG(oldumask); } /* }}} */ /* {{{ proto int fpassthru(int fp) Output all remaining data from a file pointer */ PHP_FUNCTION(fpassthru) { zval **arg1; int size, type; int issock=0; int socketd=0; void *what; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { WRONG_PARAM_COUNT; } /* XXX: add stream support --Wez. */ what = zend_fetch_resource(arg1 TSRMLS_CC,-1, "File-Handle", &type, 3, le_fopen, le_popen, le_socket); ZEND_VERIFY_RESOURCE(what); if (type == le_socket) { issock = 1; socketd = *(int *) what; } size = php_passthru_fd(socketd, (FILE *) what, issock TSRMLS_CC); zend_list_delete(Z_LVAL_PP(arg1)); RETURN_LONG(size); } /* }}} */ /* {{{ proto int rename(string old_name, string new_name) Rename a file */ PHP_FUNCTION(rename) { zval **old_arg, **new_arg; char *old_name, *new_name; int ret; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &old_arg, &new_arg) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(old_arg); convert_to_string_ex(new_arg); old_name = Z_STRVAL_PP(old_arg); new_name = Z_STRVAL_PP(new_arg); if (PG(safe_mode) &&(!php_checkuid(old_name, NULL, CHECKUID_CHECK_FILE_AND_DIR))) { RETURN_FALSE; } ret = VCWD_RENAME(old_name, new_name); if (ret == -1) { php_error(E_WARNING, "rename() failed (%s)", strerror(errno)); RETURN_FALSE; } RETURN_TRUE; } /* }}} */ /* {{{ proto int unlink(string filename) Delete a file */ PHP_FUNCTION(unlink) { zval **filename; int ret; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &filename) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(filename); if (PG(safe_mode) && !php_checkuid(Z_STRVAL_PP(filename), NULL, CHECKUID_CHECK_FILE_AND_DIR)) { RETURN_FALSE; } ret = VCWD_UNLINK(Z_STRVAL_PP(filename)); if (ret == -1) { php_error(E_WARNING, "unlink() failed (%s)", strerror(errno)); RETURN_FALSE; } /* Clear stat cache */ PHP_FN(clearstatcache)(INTERNAL_FUNCTION_PARAM_PASSTHRU); RETURN_TRUE; } /* }}} */ /* {{{ proto int ftruncate (int fp, int size) Truncate file to 'size' length */ PHP_NAMED_FUNCTION(php_if_ftruncate) { zval **fp , **size; short int ret; int type; void *what; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &fp, &size) == FAILURE) { WRONG_PARAM_COUNT; } /* XXX: add stream support --Wez. */ what = zend_fetch_resource(fp TSRMLS_CC,-1, "File-Handle", &type, 3, le_fopen, le_popen, le_socket); ZEND_VERIFY_RESOURCE(what); if (type == le_socket) { php_error(E_WARNING, "can't truncate sockets!"); RETURN_FALSE; } convert_to_long_ex(size); ret = ftruncate(fileno((FILE *) what), Z_LVAL_PP(size)); RETURN_LONG(ret + 1); } /* }}} */ /* {{{ proto int fstat(int fp) Stat() on a filehandle */ PHP_NAMED_FUNCTION(php_if_fstat) { zval **fp; zval *stat_dev, *stat_ino, *stat_mode, *stat_nlink, *stat_uid, *stat_gid, *stat_rdev, *stat_size, *stat_atime, *stat_mtime, *stat_ctime, *stat_blksize, *stat_blocks; int type; void *what; struct stat stat_sb; char *stat_sb_names[13]={"dev", "ino", "mode", "nlink", "uid", "gid", "rdev", "size", "atime", "mtime", "ctime", "blksize", "blocks"}; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &fp) == FAILURE) { WRONG_PARAM_COUNT; } /* XXX: add stream support --Wez. */ what = zend_fetch_resource(fp TSRMLS_CC,-1, "File-Handle", &type, 3, le_fopen, le_popen, le_socket); ZEND_VERIFY_RESOURCE(what); if (fstat(fileno((FILE *) what), &stat_sb)) { RETURN_FALSE; } array_init(return_value); MAKE_LONG_ZVAL_INCREF(stat_dev, stat_sb.st_dev); MAKE_LONG_ZVAL_INCREF(stat_ino, stat_sb.st_ino); MAKE_LONG_ZVAL_INCREF(stat_mode, stat_sb.st_mode); MAKE_LONG_ZVAL_INCREF(stat_nlink, stat_sb.st_nlink); MAKE_LONG_ZVAL_INCREF(stat_uid, stat_sb.st_uid); MAKE_LONG_ZVAL_INCREF(stat_gid, stat_sb.st_gid); #ifdef HAVE_ST_RDEV MAKE_LONG_ZVAL_INCREF(stat_rdev, stat_sb.st_rdev); #else MAKE_LONG_ZVAL_INCREF(stat_rdev, -1); #endif MAKE_LONG_ZVAL_INCREF(stat_size, stat_sb.st_size); MAKE_LONG_ZVAL_INCREF(stat_atime, stat_sb.st_atime); MAKE_LONG_ZVAL_INCREF(stat_mtime, stat_sb.st_mtime); MAKE_LONG_ZVAL_INCREF(stat_ctime, stat_sb.st_ctime); #ifdef HAVE_ST_BLKSIZE MAKE_LONG_ZVAL_INCREF(stat_blksize, stat_sb.st_blksize); #else MAKE_LONG_ZVAL_INCREF(stat_blksize,-1); #endif #ifdef HAVE_ST_BLOCKS MAKE_LONG_ZVAL_INCREF(stat_blocks, stat_sb.st_blocks); #else MAKE_LONG_ZVAL_INCREF(stat_blocks,-1); #endif /* Store numeric indexes in propper order */ zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_dev, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ino, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mode, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_nlink, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_uid, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_gid, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_rdev, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_size, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_atime, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_mtime, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_ctime, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blksize, sizeof(zval *), NULL); zend_hash_next_index_insert(HASH_OF(return_value), (void *)&stat_blocks, sizeof(zval *), NULL); /* Store string indexes referencing the same zval*/ zend_hash_update(HASH_OF(return_value), stat_sb_names[0], strlen(stat_sb_names[0])+1, (void *)&stat_dev, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[1], strlen(stat_sb_names[1])+1, (void *)&stat_ino, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[2], strlen(stat_sb_names[2])+1, (void *)&stat_mode, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[3], strlen(stat_sb_names[3])+1, (void *)&stat_nlink, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[4], strlen(stat_sb_names[4])+1, (void *)&stat_uid, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[5], strlen(stat_sb_names[5])+1, (void *)&stat_gid, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[6], strlen(stat_sb_names[6])+1, (void *)&stat_rdev, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[7], strlen(stat_sb_names[7])+1, (void *)&stat_size, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[8], strlen(stat_sb_names[8])+1, (void *)&stat_atime, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[9], strlen(stat_sb_names[9])+1, (void *)&stat_mtime, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[10], strlen(stat_sb_names[10])+1, (void *)&stat_ctime, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[11], strlen(stat_sb_names[11])+1, (void *)&stat_blksize, sizeof(zval *), NULL); zend_hash_update(HASH_OF(return_value), stat_sb_names[12], strlen(stat_sb_names[12])+1, (void *)&stat_blocks, sizeof(zval *), NULL); } /* }}} */ /* {{{ proto int copy(string source_file, string destination_file) Copy a file */ PHP_FUNCTION(copy) { zval **source, **target; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &source, &target) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(source); convert_to_string_ex(target); if (PG(safe_mode) &&(!php_checkuid(Z_STRVAL_PP(source), NULL, CHECKUID_CHECK_FILE_AND_DIR))) { RETURN_FALSE; } if (php_check_open_basedir(Z_STRVAL_PP(source) TSRMLS_CC)) { RETURN_FALSE; } if (PG(safe_mode) &&(!php_checkuid(Z_STRVAL_PP(target), NULL, CHECKUID_CHECK_FILE_AND_DIR))) { RETURN_FALSE; } if (php_check_open_basedir(Z_STRVAL_PP(target) TSRMLS_CC)) { RETURN_FALSE; } if (php_copy_file(Z_STRVAL_PP(source), Z_STRVAL_PP(target) TSRMLS_CC)==SUCCESS) { RETURN_TRUE; } else { RETURN_FALSE; } } /* }}} */ /* {{{ php_copy_file */ PHPAPI int php_copy_file(char *src, char *dest TSRMLS_DC) { char buffer[8192]; int fd_s, fd_t, read_bytes; int ret = FAILURE; #ifdef PHP_WIN32 if ((fd_s=VCWD_OPEN(src, O_RDONLY|_O_BINARY))==-1) { #else if ((fd_s=VCWD_OPEN(src, O_RDONLY))==-1) { #endif php_error(E_WARNING, "Unable to open '%s' for reading: %s", src, strerror(errno)); return FAILURE; } #ifdef PHP_WIN32 if ((fd_t=VCWD_OPEN_MODE(dest, _O_WRONLY|_O_CREAT|_O_TRUNC|_O_BINARY, _S_IREAD|_S_IWRITE))==-1) { #else if ((fd_t=VCWD_CREAT(dest, 0777))==-1) { #endif php_error(E_WARNING, "Unable to create '%s': %s", dest, strerror(errno)); close(fd_s); return FAILURE; } #ifdef HAVE_MMAP { void *srcfile; struct stat sbuf; if (fstat(fd_s, &sbuf)) { goto cleanup; } srcfile = mmap(NULL, sbuf.st_size, PROT_READ, MAP_SHARED, fd_s, 0); if (srcfile != (void *) MAP_FAILED) { if (write(fd_t, srcfile, sbuf.st_size) == sbuf.st_size) ret = SUCCESS; munmap(srcfile, sbuf.st_size); goto cleanup; } } #endif while ((read_bytes=read(fd_s, buffer, 8192))!=-1 && read_bytes!=0) { if (write(fd_t, buffer, read_bytes)==-1) { php_error(E_WARNING, "Unable to write to '%s': %s", dest, strerror(errno)); goto cleanup; } } ret = SUCCESS; cleanup: close(fd_s); close(fd_t); return ret; } /* }}} */ /* {{{ proto string fread(int fp, int length) Binary-safe file read */ PHP_FUNCTION(fread) { zval **arg1, **arg2; int len, type; int issock=0; int socketd=0; void *what; if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { WRONG_PARAM_COUNT; } /* XXX: add stream support --Wez. */ what = zend_fetch_resource(arg1 TSRMLS_CC,-1, "File-Handle", &type, 3, le_fopen, le_popen, le_socket); ZEND_VERIFY_RESOURCE(what); if (type == le_socket) { issock = 1; socketd = *(int *) what; } convert_to_long_ex(arg2); len = Z_LVAL_PP(arg2); if (len < 0) { php_error(E_WARNING, "length parameter to fread() may not be negative"); RETURN_FALSE; } Z_STRVAL_P(return_value) = emalloc(len + 1); /* needed because recv doesnt put a null at the end*/ if (!issock) { #ifdef HAVE_FLUSHIO if (type == le_fopen) { fseek((FILE *) what, 0, SEEK_CUR); } #endif Z_STRLEN_P(return_value) = fread(Z_STRVAL_P(return_value), 1, len, (FILE *) what); } else { Z_STRLEN_P(return_value) = SOCK_FREAD(Z_STRVAL_P(return_value), len, socketd); } Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0; if (PG(magic_quotes_runtime)) { Z_STRVAL_P(return_value) = php_addslashes(Z_STRVAL_P(return_value), Z_STRLEN_P(return_value), &Z_STRLEN_P(return_value), 1 TSRMLS_CC); } Z_TYPE_P(return_value) = IS_STRING; } /* }}} */ /* {{{ proto array fgetcsv(int fp, int length [, string delimiter]) Get line from file pointer and parse for CSV fields */ PHP_FUNCTION(fgetcsv) { char *temp, *tptr, *bptr, *lineEnd; char delimiter = ','; /* allow this to be set as parameter */ /* first section exactly as php_fgetss */ zval **fd, **bytes, **p_delim; int len, type; char *buf; int issock=0; int socketd=0; void *what; switch(ZEND_NUM_ARGS()) { case 2: if (zend_get_parameters_ex(2, &fd, &bytes) == FAILURE) { WRONG_PARAM_COUNT; } break; case 3: if (zend_get_parameters_ex(3, &fd, &bytes, &p_delim) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(p_delim); /* Make sure that there is at least one character in string */ if (Z_STRLEN_PP(p_delim) < 1) { WRONG_PARAM_COUNT; } /* use first character from string */ delimiter = Z_STRVAL_PP(p_delim)[0]; break; default: WRONG_PARAM_COUNT; /* NOTREACHED */ break; } /* XXX: add stream support --Wez. */ what = zend_fetch_resource(fd TSRMLS_CC,-1, "File-Handle", &type, 3, le_fopen, le_popen, le_socket); ZEND_VERIFY_RESOURCE(what); if (type == le_socket) { issock = 1; socketd = *(int *) what; } convert_to_long_ex(bytes); len = Z_LVAL_PP(bytes); if (len < 0) { php_error(E_WARNING, "length parameter to fgetcsv() may not be negative"); RETURN_FALSE; } buf = emalloc(len + 1); /*needed because recv doesnt set null char at end*/ memset(buf, 0, len + 1); if (FP_FGETS(buf, len, socketd, (FILE *) what, issock) == NULL) { efree(buf); RETURN_FALSE; } /* Now into new section that parses buf for comma/quote delimited fields */ /* Strip trailing space from buf, saving end of line in case required for quoted field */ lineEnd = emalloc(len + 1); bptr = buf; tptr = buf + strlen(buf) -1; while ( isspace((int) *tptr) && (*tptr!=delimiter) && (tptr > bptr) ) tptr--; tptr++; strcpy(lineEnd, tptr); /* add single space - makes it easier to parse trailing null field */ *tptr++ = ' '; *tptr = 0; /* reserve workspace for building each individual field */ temp = emalloc(len); /* unlikely but possible! */ tptr = temp; /* Initialize return array */ array_init(return_value); /* Main loop to read CSV fields */ /* NB this routine will return a single null entry for a blank line */ do { /* 1. Strip any leading space */ while(isspace((int) *bptr) && (*bptr!=delimiter)) bptr++; /* 2. Read field, leaving bptr pointing at start of next field */ if (*bptr == '"') { /* 2A. handle quote delimited field */ bptr++; /* move on to first character in field */ while (*bptr) { if (*bptr == '"') { /* handle the double-quote */ if ( *(bptr+1) == '"') { /* embedded double quotes */ *tptr++ = *bptr; bptr +=2; } else { /* must be end of string - skip to start of next field or end */ while ( (*bptr != delimiter) && *bptr ) bptr++; if (*bptr == delimiter) bptr++; *tptr=0; /* terminate temporary string */ break; /* .. from handling this field - resumes at 3. */ } } else { /* normal character */ *tptr++ = *bptr++; if (*bptr == 0) { /* embedded line end? */ *(tptr-1)=0; /* remove space character added on reading line */ strcat(temp, lineEnd); /* add the embedded line end to the field */ /* read a new line from input, as at start of routine */ memset(buf, 0, len+1); if (FP_FGETS(buf, len, socketd, (FILE *) what, issock) == NULL) { efree(lineEnd); efree(temp); efree(buf); zval_ptr_dtor(&return_value); RETURN_FALSE; } bptr = buf; tptr = buf + strlen(buf) -1; while (isspace((int) *tptr) && (*tptr!=delimiter) && (tptr > bptr)) tptr--; tptr++; strcpy(lineEnd, tptr); *tptr++ = ' '; *tptr = 0; tptr = temp; /* reset temp pointer to end of field as read so far */ while (*tptr) tptr++; } } } } else { /* 2B. Handle non-quoted field */ while ((*bptr != delimiter) && *bptr) *tptr++ = *bptr++; *tptr=0; /* terminate temporary string */ if (strlen(temp)) { tptr--; while (isspace((int)*tptr) && (*tptr!=delimiter)) *tptr-- = 0; /* strip any trailing spaces */ } if (*bptr == delimiter) bptr++; } /* 3. Now pass our field back to php */ add_next_index_string(return_value, temp, 1); tptr = temp; } while (*bptr); efree(lineEnd); efree(temp); efree(buf); } /* }}} */ #if (!defined(PHP_WIN32) && !defined(__BEOS__) && HAVE_REALPATH) || defined(ZTS) /* {{{ proto string realpath(string path) Return the resolved path */ PHP_FUNCTION(realpath) { zval **path; char resolved_path_buff[MAXPATHLEN]; if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(ZEND_NUM_ARGS(), &path) == FAILURE) { WRONG_PARAM_COUNT; } convert_to_string_ex(path); if (VCWD_REALPATH(Z_STRVAL_PP(path), resolved_path_buff)) { RETURN_STRING(resolved_path_buff, 1); } else { RETURN_FALSE; } } /* }}} */ #endif /* {{{ php_fread_all Function reads all data from file or socket and puts it into the buffer */ size_t php_fread_all(char **buf, int socket, FILE *fp, int issock) { size_t ret; char *ptr; size_t len = 0, max_len; int step = PHP_FSOCK_CHUNK_SIZE; int min_room = PHP_FSOCK_CHUNK_SIZE / 4; ptr = *buf = emalloc(step); max_len = step; /* XXX: add stream support --Wez. */ while((ret = FP_FREAD(ptr, max_len - len, socket, fp, issock))) { len += ret; if(len + min_room >= max_len) { *buf = erealloc(*buf, max_len + step); max_len += step; ptr = *buf + len; } } if(len) { *buf = erealloc(*buf, len); } else { efree(*buf); *buf = NULL; } return len; } /* }}} */ /* See http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.2.2 */ #define PHP_META_HTML401_CHARS "-_.:" /* {{{ php_next_meta_token Tokenizes an HTML file for get_meta_tags */ php_meta_tags_token php_next_meta_token(php_meta_tags_data *md) { int ch = 0, compliment; char buff[META_DEF_BUFSIZE + 1]; memset((void *)buff, 0, META_DEF_BUFSIZE + 1); while (md->ulc || (!FP_FEOF(md->socketd, md->fp, md->issock) && (ch = FP_FGETC(md->socketd, md->fp, md->issock)))) { if(FP_FEOF(md->socketd, md->fp, md->issock)) break; if (md->ulc) { ch = md->lc; md->ulc = 0; } switch (ch) { case '<': return TOK_OPENTAG; break; case '>': return TOK_CLOSETAG; break; case '=': return TOK_EQUAL; break; case '/': return TOK_SLASH; break; case '\'': case '"': compliment = ch; md->token_len = 0; while (!FP_FEOF(md->socketd, md->fp, md->issock) && (ch = FP_FGETC(md->socketd, md->fp, md->issock)) && ch != compliment && ch != '<' && ch != '>') { buff[(md->token_len)++] = ch; if (md->token_len == META_DEF_BUFSIZE) break; } if (ch == '<' || ch == '>') { /* Was just an apostrohpe */ md->ulc = 1; md->lc = ch; } /* We don't need to alloc unless we are in a meta tag */ if (md->in_meta) { md->token_data = (char *) emalloc(md->token_len + 1); memcpy(md->token_data, buff, md->token_len+1); } return TOK_STRING; break; case '\n': case '\r': case '\t': break; case ' ': return TOK_SPACE; break; default: if (isalnum(ch)) { md->token_len = 0; buff[(md->token_len)++] = ch; while (!FP_FEOF(md->socketd, md->fp, md->issock) && (ch = FP_FGETC(md->socketd, md->fp, md->issock)) && (isalnum(ch) || strchr(PHP_META_HTML401_CHARS, ch))) { buff[(md->token_len)++] = ch; if (md->token_len == META_DEF_BUFSIZE) break; } /* This is ugly, but we have to replace ungetc */ if (!isalpha(ch) && ch != '-') { md->ulc = 1; md->lc = ch; } md->token_data = (char *) emalloc(md->token_len + 1); memcpy(md->token_data, buff, md->token_len+1); return TOK_ID; } else { return TOK_OTHER; } break; } } return TOK_EOF; } /* }}} */ /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: * vim600: sw=4 ts=4 fdm=marker * vim<600: sw=4 ts=4 */