summaryrefslogtreecommitdiff
path: root/ext/session/mod_files.c
diff options
context:
space:
mode:
Diffstat (limited to 'ext/session/mod_files.c')
-rw-r--r--ext/session/mod_files.c406
1 files changed, 0 insertions, 406 deletions
diff --git a/ext/session/mod_files.c b/ext/session/mod_files.c
deleted file mode 100644
index f276201a85..0000000000
--- a/ext/session/mod_files.c
+++ /dev/null
@@ -1,406 +0,0 @@
-/*
- +----------------------------------------------------------------------+
- | PHP Version 4 |
- +----------------------------------------------------------------------+
- | Copyright (c) 1997-2003 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. |
- +----------------------------------------------------------------------+
- | Author: Sascha Schumann <sascha@schumann.cx> |
- +----------------------------------------------------------------------+
- */
-
-/* $Id$ */
-
-#include "php.h"
-
-#include <sys/stat.h>
-#include <sys/types.h>
-
-#if HAVE_SYS_FILE_H
-#include <sys/file.h>
-#endif
-
-#if HAVE_DIRENT_H
-#include <dirent.h>
-#endif
-
-#ifdef PHP_WIN32
-#include "win32/readdir.h"
-#endif
-#include <time.h>
-
-#include <fcntl.h>
-#include <errno.h>
-
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#include "php_session.h"
-#include "mod_files.h"
-#include "ext/standard/flock_compat.h"
-
-#define FILE_PREFIX "sess_"
-
-typedef struct {
- int fd;
- char *lastkey;
- char *basedir;
- size_t basedir_len;
- size_t dirdepth;
- size_t st_size;
- int filemode;
-} ps_files;
-
-ps_module ps_mod_files = {
- PS_MOD(files)
-};
-
-/* If you change the logic here, please also update the error message in
- * ps_files_open() appropriately */
-static int ps_files_valid_key(const char *key)
-{
- size_t len;
- const char *p;
- char c;
- int ret = 1;
-
- for (p = key; (c = *p); p++) {
- /* valid characters are a..z,A..Z,0..9 */
- if (!((c >= 'a' && c <= 'z')
- || (c >= 'A' && c <= 'Z')
- || (c >= '0' && c <= '9')
- || c == ','
- || c == '-')) {
- ret = 0;
- break;
- }
- }
-
- len = p - key;
-
- if (len == 0)
- ret = 0;
-
- return ret;
-}
-
-static char *ps_files_path_create(char *buf, size_t buflen, ps_files *data, const char *key)
-{
- size_t key_len;
- const char *p;
- int i;
- int n;
-
- key_len = strlen(key);
- if (key_len <= data->dirdepth || buflen <
- (strlen(data->basedir) + 2 * data->dirdepth + key_len + 5 + sizeof(FILE_PREFIX)))
- return NULL;
- p = key;
- memcpy(buf, data->basedir, data->basedir_len);
- n = data->basedir_len;
- buf[n++] = PHP_DIR_SEPARATOR;
- for (i = 0; i < (int)data->dirdepth; i++) {
- buf[n++] = *p++;
- buf[n++] = PHP_DIR_SEPARATOR;
- }
- memcpy(buf + n, FILE_PREFIX, sizeof(FILE_PREFIX) - 1);
- n += sizeof(FILE_PREFIX) - 1;
- memcpy(buf + n, key, key_len);
- n += key_len;
- buf[n] = '\0';
-
- return buf;
-}
-
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
-static void ps_files_close(ps_files *data)
-{
- if (data->fd != -1) {
- close(data->fd);
- data->fd = -1;
- }
-}
-
-static void ps_files_open(ps_files *data, const char *key TSRMLS_DC)
-{
- char buf[MAXPATHLEN];
-
- if (data->fd < 0 || !data->lastkey || strcmp(key, data->lastkey)) {
- if (data->lastkey) {
- efree(data->lastkey);
- data->lastkey = NULL;
- }
-
- ps_files_close(data);
-
- if (!ps_files_valid_key(key)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "The session id contains illegal characters, valid characters are a-z, A-Z, 0-9 and '-,'");
- return;
- }
- if (!ps_files_path_create(buf, sizeof(buf), data, key))
- return;
-
- data->lastkey = estrdup(key);
-
- data->fd = VCWD_OPEN_MODE(buf, O_CREAT | O_RDWR | O_BINARY,
- data->filemode);
-
- if (data->fd != -1) {
- flock(data->fd, LOCK_EX);
-
-#ifdef F_SETFD
- if (fcntl(data->fd, F_SETFD, 1)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "fcntl(%d, F_SETFD, 1) failed: %s (%d)", data->fd, strerror(errno), errno);
- }
-#endif
- } else {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "open(%s, O_RDWR) failed: %s (%d)", buf,
- strerror(errno), errno);
- }
- }
-}
-
-static int ps_files_cleanup_dir(const char *dirname, int maxlifetime TSRMLS_DC)
-{
- DIR *dir;
- char dentry[sizeof(struct dirent) + MAXPATHLEN];
- struct dirent *entry = (struct dirent *) &dentry;
- struct stat sbuf;
- char buf[MAXPATHLEN];
- time_t now;
- int nrdels = 0;
- size_t dirname_len;
-
- dir = opendir(dirname);
- if (!dir) {
- php_error_docref(NULL TSRMLS_CC, E_NOTICE, "ps_files_cleanup_dir: opendir(%s) failed: %s (%d)\n", dirname, strerror(errno), errno);
- return (0);
- }
-
- time(&now);
-
- dirname_len = strlen(dirname);
-
- /* Prepare buffer (dirname never changes) */
- memcpy(buf, dirname, dirname_len);
- buf[dirname_len] = PHP_DIR_SEPARATOR;
-
- while (php_readdir_r(dir, (struct dirent *) dentry, &entry) == 0 && entry) {
- /* does the file start with our prefix? */
- if (!strncmp(entry->d_name, FILE_PREFIX, sizeof(FILE_PREFIX) - 1)) {
- size_t entry_len;
-
- entry_len = strlen(entry->d_name);
- /* does it fit into our buffer? */
- if (entry_len + dirname_len + 2 < MAXPATHLEN) {
- /* create the full path.. */
- memcpy(buf + dirname_len + 1, entry->d_name, entry_len);
- /* NUL terminate it and */
- buf[dirname_len + entry_len + 1] = '\0';
- /* check whether its last access was more than maxlifet ago */
- if (VCWD_STAT(buf, &sbuf) == 0 &&
- (now - sbuf.st_mtime) > maxlifetime) {
- VCWD_UNLINK(buf);
- nrdels++;
- }
- }
- }
- }
-
- closedir(dir);
-
- return (nrdels);
-}
-
-#define PS_FILES_DATA ps_files *data = PS_GET_MOD_DATA()
-
-PS_OPEN_FUNC(files)
-{
- ps_files *data;
- const char *p, *last;
- const char *argv[3];
- int argc = 0;
- size_t dirdepth = 0;
- int filemode = 0600;
-
- /* split up input parameter */
- last = save_path;
- p = strchr(save_path, ';');
- while (p) {
- argv[argc++] = last;
- last = ++p;
- p = strchr(p, ';');
- if (argc > 1) break;
- }
- argv[argc++] = last;
-
- if (argc > 1) {
- errno = 0;
- dirdepth = (size_t) strtol(argv[0], NULL, 10);
- if (errno == ERANGE) {
- php_error(E_WARNING,
- "The first parameter in session.save_path is invalid");
- return FAILURE;
- }
- }
-
- if (argc > 2) {
- errno = 0;
- filemode = strtol(argv[1], NULL, 8);
- if (errno == ERANGE || filemode < 0 || filemode > 07777) {
- php_error(E_WARNING,
- "The second parameter in session.save_path is invalid");
- return FAILURE;
- }
- }
- save_path = argv[argc - 1];
-
- data = emalloc(sizeof(*data));
- memset(data, 0, sizeof(*data));
-
- data->fd = -1;
- data->dirdepth = dirdepth;
- data->filemode = filemode;
- data->basedir_len = strlen(save_path);
- data->basedir = estrndup(save_path, data->basedir_len);
-
- PS_SET_MOD_DATA(data);
-
- return SUCCESS;
-}
-
-PS_CLOSE_FUNC(files)
-{
- PS_FILES_DATA;
-
- ps_files_close(data);
-
- if (data->lastkey)
- efree(data->lastkey);
- efree(data->basedir);
- efree(data);
- *mod_data = NULL;
-
- return SUCCESS;
-}
-
-PS_READ_FUNC(files)
-{
- long n;
- struct stat sbuf;
- PS_FILES_DATA;
-
- ps_files_open(data, key TSRMLS_CC);
- if (data->fd < 0)
- return FAILURE;
-
- if (fstat(data->fd, &sbuf))
- return FAILURE;
-
- data->st_size = *vallen = sbuf.st_size;
- *val = emalloc(sbuf.st_size);
-
-#if defined(HAVE_PREAD)
- n = pread(data->fd, *val, sbuf.st_size, 0);
-#else
- lseek(data->fd, 0, SEEK_SET);
- n = read(data->fd, *val, sbuf.st_size);
-#endif
-
- if (n != sbuf.st_size) {
- if (n == -1)
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "read failed: %s (%d)", strerror(errno), errno);
- else
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "read returned less bytes than requested");
- efree(*val);
- return FAILURE;
- }
-
- return SUCCESS;
-}
-
-PS_WRITE_FUNC(files)
-{
- long n;
- PS_FILES_DATA;
-
- ps_files_open(data, key TSRMLS_CC);
- if (data->fd < 0)
- return FAILURE;
-
- /*
- * truncate file, if the amount of new data is smaller than
- * the existing data set.
- */
-
- if (vallen < (int)data->st_size)
- ftruncate(data->fd, 0);
-
-#if defined(HAVE_PWRITE)
- n = pwrite(data->fd, val, vallen, 0);
-#else
- lseek(data->fd, 0, SEEK_SET);
- n = write(data->fd, val, vallen);
-#endif
-
- if (n != vallen) {
- if (n == -1)
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "write failed: %s (%d)", strerror(errno), errno);
- else
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "write wrote less bytes than requested");
- return FAILURE;
- }
-
- return SUCCESS;
-}
-
-PS_DESTROY_FUNC(files)
-{
- char buf[MAXPATHLEN];
- PS_FILES_DATA;
-
- if (!ps_files_path_create(buf, sizeof(buf), data, key))
- return FAILURE;
-
- ps_files_close(data);
-
- if (VCWD_UNLINK(buf) == -1) {
- return FAILURE;
- }
-
- return SUCCESS;
-}
-
-PS_GC_FUNC(files)
-{
- PS_FILES_DATA;
-
- /* we don't perform any cleanup, if dirdepth is larger than 0.
- we return SUCCESS, since all cleanup should be handled by
- an external entity (i.e. find -ctime x | xargs rm) */
-
- if (data->dirdepth == 0)
- *nrdels = ps_files_cleanup_dir(data->basedir, maxlifetime TSRMLS_CC);
-
- return SUCCESS;
-}
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- * vim600: sw=4 ts=4 fdm=marker
- * vim<600: sw=4 ts=4
- */
View Lorry Controller Status