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Diffstat (limited to 'app/nginx/src/os/win32/ngx_files.c')
-rw-r--r--app/nginx/src/os/win32/ngx_files.c883
1 files changed, 0 insertions, 883 deletions
diff --git a/app/nginx/src/os/win32/ngx_files.c b/app/nginx/src/os/win32/ngx_files.c
deleted file mode 100644
index 9ef22a5..0000000
--- a/app/nginx/src/os/win32/ngx_files.c
+++ /dev/null
@@ -1,883 +0,0 @@
-
-/*
- * Copyright (C) Igor Sysoev
- * Copyright (C) Nginx, Inc.
- */
-
-
-#include <ngx_config.h>
-#include <ngx_core.h>
-
-
-#define NGX_UTF16_BUFLEN 256
-
-static ngx_int_t ngx_win32_check_filename(u_char *name, u_short *u,
- size_t len);
-static u_short *ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t *len);
-
-
-/* FILE_FLAG_BACKUP_SEMANTICS allows to obtain a handle to a directory */
-
-ngx_fd_t
-ngx_open_file(u_char *name, u_long mode, u_long create, u_long access)
-{
- size_t len;
- u_short *u;
- ngx_fd_t fd;
- ngx_err_t err;
- u_short utf16[NGX_UTF16_BUFLEN];
-
- len = NGX_UTF16_BUFLEN;
- u = ngx_utf8_to_utf16(utf16, name, &len);
-
- if (u == NULL) {
- return INVALID_HANDLE_VALUE;
- }
-
- fd = INVALID_HANDLE_VALUE;
-
- if (create == NGX_FILE_OPEN
- && ngx_win32_check_filename(name, u, len) != NGX_OK)
- {
- goto failed;
- }
-
- fd = CreateFileW(u, mode,
- FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
- NULL, create, FILE_FLAG_BACKUP_SEMANTICS, NULL);
-
-failed:
-
- if (u != utf16) {
- err = ngx_errno;
- ngx_free(u);
- ngx_set_errno(err);
- }
-
- return fd;
-}
-
-
-ssize_t
-ngx_read_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset)
-{
- u_long n;
- ngx_err_t err;
- OVERLAPPED ovlp, *povlp;
-
- ovlp.Internal = 0;
- ovlp.InternalHigh = 0;
- ovlp.Offset = (u_long) offset;
- ovlp.OffsetHigh = (u_long) (offset >> 32);
- ovlp.hEvent = NULL;
-
- povlp = &ovlp;
-
- if (ReadFile(file->fd, buf, size, &n, povlp) == 0) {
- err = ngx_errno;
-
- if (err == ERROR_HANDLE_EOF) {
- return 0;
- }
-
- ngx_log_error(NGX_LOG_ERR, file->log, err,
- "ReadFile() \"%s\" failed", file->name.data);
- return NGX_ERROR;
- }
-
- file->offset += n;
-
- return n;
-}
-
-
-ssize_t
-ngx_write_file(ngx_file_t *file, u_char *buf, size_t size, off_t offset)
-{
- u_long n;
- OVERLAPPED ovlp, *povlp;
-
- ovlp.Internal = 0;
- ovlp.InternalHigh = 0;
- ovlp.Offset = (u_long) offset;
- ovlp.OffsetHigh = (u_long) (offset >> 32);
- ovlp.hEvent = NULL;
-
- povlp = &ovlp;
-
- if (WriteFile(file->fd, buf, size, &n, povlp) == 0) {
- ngx_log_error(NGX_LOG_ERR, file->log, ngx_errno,
- "WriteFile() \"%s\" failed", file->name.data);
- return NGX_ERROR;
- }
-
- if (n != size) {
- ngx_log_error(NGX_LOG_CRIT, file->log, 0,
- "WriteFile() \"%s\" has written only %ul of %uz",
- file->name.data, n, size);
- return NGX_ERROR;
- }
-
- file->offset += n;
-
- return n;
-}
-
-
-ssize_t
-ngx_write_chain_to_file(ngx_file_t *file, ngx_chain_t *cl, off_t offset,
- ngx_pool_t *pool)
-{
- u_char *buf, *prev;
- size_t size;
- ssize_t total, n;
-
- total = 0;
-
- while (cl) {
- buf = cl->buf->pos;
- prev = buf;
- size = 0;
-
- /* coalesce the neighbouring bufs */
-
- while (cl && prev == cl->buf->pos) {
- size += cl->buf->last - cl->buf->pos;
- prev = cl->buf->last;
- cl = cl->next;
- }
-
- n = ngx_write_file(file, buf, size, offset);
-
- if (n == NGX_ERROR) {
- return NGX_ERROR;
- }
-
- total += n;
- offset += n;
- }
-
- return total;
-}
-
-
-ssize_t
-ngx_read_fd(ngx_fd_t fd, void *buf, size_t size)
-{
- u_long n;
-
- if (ReadFile(fd, buf, size, &n, NULL) != 0) {
- return (size_t) n;
- }
-
- return -1;
-}
-
-
-ssize_t
-ngx_write_fd(ngx_fd_t fd, void *buf, size_t size)
-{
- u_long n;
-
- if (WriteFile(fd, buf, size, &n, NULL) != 0) {
- return (size_t) n;
- }
-
- return -1;
-}
-
-
-ssize_t
-ngx_write_console(ngx_fd_t fd, void *buf, size_t size)
-{
- u_long n;
-
- (void) CharToOemBuff(buf, buf, size);
-
- if (WriteFile(fd, buf, size, &n, NULL) != 0) {
- return (size_t) n;
- }
-
- return -1;
-}
-
-
-ngx_err_t
-ngx_win32_rename_file(ngx_str_t *from, ngx_str_t *to, ngx_log_t *log)
-{
- u_char *name;
- ngx_err_t err;
- ngx_uint_t collision;
- ngx_atomic_uint_t num;
-
- name = ngx_alloc(to->len + 1 + NGX_ATOMIC_T_LEN + 1 + sizeof("DELETE"),
- log);
- if (name == NULL) {
- return NGX_ENOMEM;
- }
-
- ngx_memcpy(name, to->data, to->len);
-
- collision = 0;
-
- /* mutex_lock() (per cache or single ?) */
-
- for ( ;; ) {
- num = ngx_next_temp_number(collision);
-
- ngx_sprintf(name + to->len, ".%0muA.DELETE%Z", num);
-
- if (MoveFile((const char *) to->data, (const char *) name) != 0) {
- break;
- }
-
- collision = 1;
-
- ngx_log_error(NGX_LOG_CRIT, log, ngx_errno,
- "MoveFile() \"%s\" to \"%s\" failed", to->data, name);
- }
-
- if (MoveFile((const char *) from->data, (const char *) to->data) == 0) {
- err = ngx_errno;
-
- } else {
- err = 0;
- }
-
- if (DeleteFile((const char *) name) == 0) {
- ngx_log_error(NGX_LOG_CRIT, log, ngx_errno,
- "DeleteFile() \"%s\" failed", name);
- }
-
- /* mutex_unlock() */
-
- ngx_free(name);
-
- return err;
-}
-
-
-ngx_int_t
-ngx_file_info(u_char *file, ngx_file_info_t *sb)
-{
- size_t len;
- long rc;
- u_short *u;
- ngx_err_t err;
- WIN32_FILE_ATTRIBUTE_DATA fa;
- u_short utf16[NGX_UTF16_BUFLEN];
-
- len = NGX_UTF16_BUFLEN;
-
- u = ngx_utf8_to_utf16(utf16, file, &len);
-
- if (u == NULL) {
- return NGX_FILE_ERROR;
- }
-
- rc = NGX_FILE_ERROR;
-
- if (ngx_win32_check_filename(file, u, len) != NGX_OK) {
- goto failed;
- }
-
- rc = GetFileAttributesExW(u, GetFileExInfoStandard, &fa);
-
- sb->dwFileAttributes = fa.dwFileAttributes;
- sb->ftCreationTime = fa.ftCreationTime;
- sb->ftLastAccessTime = fa.ftLastAccessTime;
- sb->ftLastWriteTime = fa.ftLastWriteTime;
- sb->nFileSizeHigh = fa.nFileSizeHigh;
- sb->nFileSizeLow = fa.nFileSizeLow;
-
-failed:
-
- if (u != utf16) {
- err = ngx_errno;
- ngx_free(u);
- ngx_set_errno(err);
- }
-
- return rc;
-}
-
-
-ngx_int_t
-ngx_set_file_time(u_char *name, ngx_fd_t fd, time_t s)
-{
- uint64_t intervals;
- FILETIME ft;
-
- /* 116444736000000000 is commented in src/os/win32/ngx_time.c */
-
- intervals = s * 10000000 + 116444736000000000;
-
- ft.dwLowDateTime = (DWORD) intervals;
- ft.dwHighDateTime = (DWORD) (intervals >> 32);
-
- if (SetFileTime(fd, NULL, NULL, &ft) != 0) {
- return NGX_OK;
- }
-
- return NGX_ERROR;
-}
-
-
-ngx_int_t
-ngx_create_file_mapping(ngx_file_mapping_t *fm)
-{
- LARGE_INTEGER size;
-
- fm->fd = ngx_open_file(fm->name, NGX_FILE_RDWR, NGX_FILE_TRUNCATE,
- NGX_FILE_DEFAULT_ACCESS);
- if (fm->fd == NGX_INVALID_FILE) {
- ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno,
- ngx_open_file_n " \"%s\" failed", fm->name);
- return NGX_ERROR;
- }
-
- fm->handle = NULL;
-
- size.QuadPart = fm->size;
-
- if (SetFilePointerEx(fm->fd, size, NULL, FILE_BEGIN) == 0) {
- ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno,
- "SetFilePointerEx(\"%s\", %uz) failed",
- fm->name, fm->size);
- goto failed;
- }
-
- if (SetEndOfFile(fm->fd) == 0) {
- ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno,
- "SetEndOfFile() \"%s\" failed", fm->name);
- goto failed;
- }
-
- fm->handle = CreateFileMapping(fm->fd, NULL, PAGE_READWRITE,
- (u_long) ((off_t) fm->size >> 32),
- (u_long) ((off_t) fm->size & 0xffffffff),
- NULL);
- if (fm->handle == NULL) {
- ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno,
- "CreateFileMapping(%s, %uz) failed",
- fm->name, fm->size);
- goto failed;
- }
-
- fm->addr = MapViewOfFile(fm->handle, FILE_MAP_WRITE, 0, 0, 0);
-
- if (fm->addr != NULL) {
- return NGX_OK;
- }
-
- ngx_log_error(NGX_LOG_CRIT, fm->log, ngx_errno,
- "MapViewOfFile(%uz) of file mapping \"%s\" failed",
- fm->size, fm->name);
-
-failed:
-
- if (fm->handle) {
- if (CloseHandle(fm->handle) == 0) {
- ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno,
- "CloseHandle() of file mapping \"%s\" failed",
- fm->name);
- }
- }
-
- if (ngx_close_file(fm->fd) == NGX_FILE_ERROR) {
- ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno,
- ngx_close_file_n " \"%s\" failed", fm->name);
- }
-
- return NGX_ERROR;
-}
-
-
-void
-ngx_close_file_mapping(ngx_file_mapping_t *fm)
-{
- if (UnmapViewOfFile(fm->addr) == 0) {
- ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno,
- "UnmapViewOfFile(%p) of file mapping \"%s\" failed",
- fm->addr, &fm->name);
- }
-
- if (CloseHandle(fm->handle) == 0) {
- ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno,
- "CloseHandle() of file mapping \"%s\" failed",
- &fm->name);
- }
-
- if (ngx_close_file(fm->fd) == NGX_FILE_ERROR) {
- ngx_log_error(NGX_LOG_ALERT, fm->log, ngx_errno,
- ngx_close_file_n " \"%s\" failed", fm->name);
- }
-}
-
-
-u_char *
-ngx_realpath(u_char *path, u_char *resolved)
-{
- /* STUB */
- return path;
-}
-
-
-ngx_int_t
-ngx_open_dir(ngx_str_t *name, ngx_dir_t *dir)
-{
- ngx_cpystrn(name->data + name->len, NGX_DIR_MASK, NGX_DIR_MASK_LEN + 1);
-
- dir->dir = FindFirstFile((const char *) name->data, &dir->finddata);
-
- name->data[name->len] = '\0';
-
- if (dir->dir == INVALID_HANDLE_VALUE) {
- return NGX_ERROR;
- }
-
- dir->valid_info = 1;
- dir->ready = 1;
-
- return NGX_OK;
-}
-
-
-ngx_int_t
-ngx_read_dir(ngx_dir_t *dir)
-{
- if (dir->ready) {
- dir->ready = 0;
- return NGX_OK;
- }
-
- if (FindNextFile(dir->dir, &dir->finddata) != 0) {
- dir->type = 1;
- return NGX_OK;
- }
-
- return NGX_ERROR;
-}
-
-
-ngx_int_t
-ngx_close_dir(ngx_dir_t *dir)
-{
- if (FindClose(dir->dir) == 0) {
- return NGX_ERROR;
- }
-
- return NGX_OK;
-}
-
-
-ngx_int_t
-ngx_open_glob(ngx_glob_t *gl)
-{
- u_char *p;
- size_t len;
- ngx_err_t err;
-
- gl->dir = FindFirstFile((const char *) gl->pattern, &gl->finddata);
-
- if (gl->dir == INVALID_HANDLE_VALUE) {
-
- err = ngx_errno;
-
- if ((err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
- && gl->test)
- {
- gl->no_match = 1;
- return NGX_OK;
- }
-
- return NGX_ERROR;
- }
-
- for (p = gl->pattern; *p; p++) {
- if (*p == '/') {
- gl->last = p + 1 - gl->pattern;
- }
- }
-
- len = ngx_strlen(gl->finddata.cFileName);
- gl->name.len = gl->last + len;
-
- gl->name.data = ngx_alloc(gl->name.len + 1, gl->log);
- if (gl->name.data == NULL) {
- return NGX_ERROR;
- }
-
- ngx_memcpy(gl->name.data, gl->pattern, gl->last);
- ngx_cpystrn(gl->name.data + gl->last, (u_char *) gl->finddata.cFileName,
- len + 1);
-
- gl->ready = 1;
-
- return NGX_OK;
-}
-
-
-ngx_int_t
-ngx_read_glob(ngx_glob_t *gl, ngx_str_t *name)
-{
- size_t len;
- ngx_err_t err;
-
- if (gl->no_match) {
- return NGX_DONE;
- }
-
- if (gl->ready) {
- *name = gl->name;
-
- gl->ready = 0;
- return NGX_OK;
- }
-
- ngx_free(gl->name.data);
- gl->name.data = NULL;
-
- if (FindNextFile(gl->dir, &gl->finddata) != 0) {
-
- len = ngx_strlen(gl->finddata.cFileName);
- gl->name.len = gl->last + len;
-
- gl->name.data = ngx_alloc(gl->name.len + 1, gl->log);
- if (gl->name.data == NULL) {
- return NGX_ERROR;
- }
-
- ngx_memcpy(gl->name.data, gl->pattern, gl->last);
- ngx_cpystrn(gl->name.data + gl->last, (u_char *) gl->finddata.cFileName,
- len + 1);
-
- *name = gl->name;
-
- return NGX_OK;
- }
-
- err = ngx_errno;
-
- if (err == NGX_ENOMOREFILES) {
- return NGX_DONE;
- }
-
- ngx_log_error(NGX_LOG_ALERT, gl->log, err,
- "FindNextFile(%s) failed", gl->pattern);
-
- return NGX_ERROR;
-}
-
-
-void
-ngx_close_glob(ngx_glob_t *gl)
-{
- if (gl->name.data) {
- ngx_free(gl->name.data);
- }
-
- if (gl->dir == INVALID_HANDLE_VALUE) {
- return;
- }
-
- if (FindClose(gl->dir) == 0) {
- ngx_log_error(NGX_LOG_ALERT, gl->log, ngx_errno,
- "FindClose(%s) failed", gl->pattern);
- }
-}
-
-
-ngx_int_t
-ngx_de_info(u_char *name, ngx_dir_t *dir)
-{
- return NGX_OK;
-}
-
-
-ngx_int_t
-ngx_de_link_info(u_char *name, ngx_dir_t *dir)
-{
- return NGX_OK;
-}
-
-
-ngx_int_t
-ngx_read_ahead(ngx_fd_t fd, size_t n)
-{
- return ~NGX_FILE_ERROR;
-}
-
-
-ngx_int_t
-ngx_directio_on(ngx_fd_t fd)
-{
- return ~NGX_FILE_ERROR;
-}
-
-
-ngx_int_t
-ngx_directio_off(ngx_fd_t fd)
-{
- return ~NGX_FILE_ERROR;
-}
-
-
-size_t
-ngx_fs_bsize(u_char *name)
-{
- u_char root[4];
- u_long sc, bs, nfree, ncl;
-
- if (name[2] == ':') {
- ngx_cpystrn(root, name, 4);
- name = root;
- }
-
- if (GetDiskFreeSpace((const char *) name, &sc, &bs, &nfree, &ncl) == 0) {
- return 512;
- }
-
- return sc * bs;
-}
-
-
-static ngx_int_t
-ngx_win32_check_filename(u_char *name, u_short *u, size_t len)
-{
- u_char *p, ch;
- u_long n;
- u_short *lu;
- ngx_err_t err;
- enum {
- sw_start = 0,
- sw_normal,
- sw_after_slash,
- sw_after_colon,
- sw_after_dot
- } state;
-
- /* check for NTFS streams (":"), trailing dots and spaces */
-
- lu = NULL;
- state = sw_start;
-
- for (p = name; *p; p++) {
- ch = *p;
-
- switch (state) {
-
- case sw_start:
-
- /*
- * skip till first "/" to allow paths starting with drive and
- * relative path, like "c:html/"
- */
-
- if (ch == '/' || ch == '\\') {
- state = sw_after_slash;
- }
-
- break;
-
- case sw_normal:
-
- if (ch == ':') {
- state = sw_after_colon;
- break;
- }
-
- if (ch == '.' || ch == ' ') {
- state = sw_after_dot;
- break;
- }
-
- if (ch == '/' || ch == '\\') {
- state = sw_after_slash;
- break;
- }
-
- break;
-
- case sw_after_slash:
-
- if (ch == '/' || ch == '\\') {
- break;
- }
-
- if (ch == '.') {
- break;
- }
-
- if (ch == ':') {
- state = sw_after_colon;
- break;
- }
-
- state = sw_normal;
- break;
-
- case sw_after_colon:
-
- if (ch == '/' || ch == '\\') {
- state = sw_after_slash;
- break;
- }
-
- goto invalid;
-
- case sw_after_dot:
-
- if (ch == '/' || ch == '\\') {
- goto invalid;
- }
-
- if (ch == ':') {
- goto invalid;
- }
-
- if (ch == '.' || ch == ' ') {
- break;
- }
-
- state = sw_normal;
- break;
- }
- }
-
- if (state == sw_after_dot) {
- goto invalid;
- }
-
- /* check if long name match */
-
- lu = malloc(len * 2);
- if (lu == NULL) {
- return NGX_ERROR;
- }
-
- n = GetLongPathNameW(u, lu, len);
-
- if (n == 0) {
- goto failed;
- }
-
- if (n != len - 1 || _wcsicmp(u, lu) != 0) {
- goto invalid;
- }
-
- ngx_free(lu);
-
- return NGX_OK;
-
-invalid:
-
- ngx_set_errno(NGX_ENOENT);
-
-failed:
-
- if (lu) {
- err = ngx_errno;
- ngx_free(lu);
- ngx_set_errno(err);
- }
-
- return NGX_ERROR;
-}
-
-
-static u_short *
-ngx_utf8_to_utf16(u_short *utf16, u_char *utf8, size_t *len)
-{
- u_char *p;
- u_short *u, *last;
- uint32_t n;
-
- p = utf8;
- u = utf16;
- last = utf16 + *len;
-
- while (u < last) {
-
- if (*p < 0x80) {
- *u++ = (u_short) *p;
-
- if (*p == 0) {
- *len = u - utf16;
- return utf16;
- }
-
- p++;
-
- continue;
- }
-
- if (u + 1 == last) {
- *len = u - utf16;
- break;
- }
-
- n = ngx_utf8_decode(&p, 4);
-
- if (n > 0x10ffff) {
- ngx_set_errno(NGX_EILSEQ);
- return NULL;
- }
-
- if (n > 0xffff) {
- n -= 0x10000;
- *u++ = (u_short) (0xd800 + (n >> 10));
- *u++ = (u_short) (0xdc00 + (n & 0x03ff));
- continue;
- }
-
- *u++ = (u_short) n;
- }
-
- /* the given buffer is not enough, allocate a new one */
-
- u = malloc(((p - utf8) + ngx_strlen(p) + 1) * sizeof(u_short));
- if (u == NULL) {
- return NULL;
- }
-
- ngx_memcpy(u, utf16, *len * 2);
-
- utf16 = u;
- u += *len;
-
- for ( ;; ) {
-
- if (*p < 0x80) {
- *u++ = (u_short) *p;
-
- if (*p == 0) {
- *len = u - utf16;
- return utf16;
- }
-
- p++;
-
- continue;
- }
-
- n = ngx_utf8_decode(&p, 4);
-
- if (n > 0x10ffff) {
- ngx_free(utf16);
- ngx_set_errno(NGX_EILSEQ);
- return NULL;
- }
-
- if (n > 0xffff) {
- n -= 0x10000;
- *u++ = (u_short) (0xd800 + (n >> 10));
- *u++ = (u_short) (0xdc00 + (n & 0x03ff));
- continue;
- }
-
- *u++ = (u_short) n;
- }
-
- /* unreachable */
-}