From bf8c01bfcd015d43cfbcb893e48c6a83a95c91ec Mon Sep 17 00:00:00 2001 From: Ben Magistro Date: Sun, 17 Apr 2022 09:45:02 -0400 Subject: Drop nginx Nginx is not part of the core library being developed and needs to be moved to its own repository to allow it to be more easily maintained. Signed-off-by: Ben Magistro Change-Id: I5639e84ba0564ccd49ffcffa7ec9fcd57827bd6d --- app/nginx/src/os/win32/ngx_files.c | 883 ------------------------------------- 1 file changed, 883 deletions(-) delete mode 100644 app/nginx/src/os/win32/ngx_files.c (limited to 'app/nginx/src/os/win32/ngx_files.c') 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 -#include - - -#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 */ -} -- cgit 1.2.3-korg