| 564 | 564 |
u_char *p, *cp, *end;
|
| 565 | 565 |
ngx_fd_t at_fd;
|
| 566 | 566 |
ngx_str_t at_name;
|
| 567 | |
ngx_file_info_t fi;
|
| 568 | 567 |
|
| 569 | 568 |
if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_OFF) {
|
| 570 | 569 |
fd = ngx_open_file(name->data, mode, create, access);
|
|
| 585 | 584 |
|
| 586 | 585 |
if (*p == '/') {
|
| 587 | 586 |
at_fd = ngx_open_file("/",
|
| 588 | |
NGX_FILE_RDONLY|NGX_FILE_NONBLOCK,
|
|
587 |
NGX_FILE_SEARCH|NGX_FILE_NONBLOCK,
|
| 589 | 588 |
NGX_FILE_OPEN, 0);
|
| 590 | 589 |
|
| 591 | 590 |
if (at_fd == NGX_INVALID_FILE) {
|
|
| 616 | 615 |
|
| 617 | 616 |
if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_NOTOWNER) {
|
| 618 | 617 |
fd = ngx_openat_file_owner(at_fd, p,
|
| 619 | |
NGX_FILE_RDONLY|NGX_FILE_NONBLOCK,
|
|
618 |
NGX_FILE_SEARCH|NGX_FILE_NONBLOCK,
|
| 620 | 619 |
NGX_FILE_OPEN, 0, log);
|
| 621 | 620 |
|
| 622 | 621 |
} else {
|
| 623 | 622 |
fd = ngx_openat_file(at_fd, p,
|
| 624 | |
NGX_FILE_RDONLY|NGX_FILE_NONBLOCK|NGX_FILE_NOFOLLOW,
|
|
623 |
NGX_FILE_SEARCH|NGX_FILE_NONBLOCK|NGX_FILE_NOFOLLOW,
|
| 625 | 624 |
NGX_FILE_OPEN, 0);
|
| 626 | 625 |
}
|
| 627 | 626 |
|
|
| 646 | 645 |
if (p == end) {
|
| 647 | 646 |
|
| 648 | 647 |
/*
|
| 649 | |
* If pathname ends with a trailing slash, check if last path
|
| 650 | |
* component is a directory; if not, fail with ENOTDIR as per
|
| 651 | |
* POSIX.
|
|
648 |
* If pathname ends with a trailing slash, assume the last path
|
|
649 |
* component is a directory and reopen it with requested flags;
|
|
650 |
* if not, fail with ENOTDIR as per POSIX.
|
| 652 | 651 |
*
|
| 653 | |
* We use separate check instead of O_DIRECTORY in the loop above,
|
| 654 | |
* as O_DIRECTORY doesn't work on FreeBSD 8.
|
| 655 | |
*
|
| 656 | |
* Note this returns already opened file descriptor, with different
|
| 657 | |
* mode/create/access. This is believed to be safe as we don't
|
| 658 | |
* use this codepath to create directories.
|
|
652 |
* We cannot rely on O_DIRECTORY in the loop above to check
|
|
653 |
* that the last path component is a directory because
|
|
654 |
* O_DIRECTORY doesn't work on FreeBSD 8. Fortunately, by
|
|
655 |
* reopening a directory, we don't depend on it at all.
|
| 659 | 656 |
*/
|
| 660 | 657 |
|
| 661 | |
if (ngx_fd_info(at_fd, &fi) == NGX_FILE_ERROR) {
|
| 662 | |
of->err = ngx_errno;
|
| 663 | |
of->failed = ngx_fd_info_n;
|
| 664 | |
fd = NGX_INVALID_FILE;
|
| 665 | |
|
| 666 | |
goto failed;
|
| 667 | |
}
|
| 668 | |
|
| 669 | |
if (ngx_is_dir(&fi)) {
|
| 670 | |
return at_fd;
|
| 671 | |
}
|
| 672 | |
|
| 673 | |
of->err = ENOTDIR;
|
| 674 | |
of->failed = ngx_openat_file_n;
|
| 675 | |
fd = NGX_INVALID_FILE;
|
| 676 | |
|
| 677 | |
goto failed;
|
|
658 |
fd = ngx_openat_file(at_fd, ".", mode, create, access);
|
|
659 |
goto done;
|
| 678 | 660 |
}
|
| 679 | 661 |
|
| 680 | 662 |
if (of->disable_symlinks == NGX_DISABLE_SYMLINKS_NOTOWNER
|
|
| 685 | 667 |
} else {
|
| 686 | 668 |
fd = ngx_openat_file(at_fd, p, mode|NGX_FILE_NOFOLLOW, create, access);
|
| 687 | 669 |
}
|
|
670 |
|
|
671 |
done:
|
| 688 | 672 |
|
| 689 | 673 |
if (fd == NGX_INVALID_FILE) {
|
| 690 | 674 |
of->err = ngx_errno;
|