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Allow libufs(3) functions to operate on a regular file. This makes it possible to

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use almost anything that uses libufs(3) against a file as an unprivileged user, e.g.
tunefs(8) and dumpfs(8) against a makefs(8)-created image.

Prodded by:	kensmith
This commit is contained in:
Juli Mallett 2009-06-11 18:04:57 +00:00
parent a4cf065a39
commit 990b6d05ab
2 changed files with 5 additions and 2 deletions
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5
lib/libufs/type.c
View file

@ -108,7 +108,10 @@ again: if ((ret = stat(name, &st)) < 0) {
*/
name = oname;
}
if (ret >= 0 && S_ISCHR(st.st_mode)) {
if (ret >= 0 && S_ISREG(st.st_mode)) {
/* Possibly a disk image, give it a try. */
;
} else if (ret >= 0 && S_ISCHR(st.st_mode)) {
/* This is what we need, do nothing. */
;
} else if ((fs = getfsfile(name)) != NULL) {

2
lib/libufs/ufs_disk_close.3
View file

@ -53,7 +53,7 @@ and populate the structure pointed to by
The disk is opened read-only.
The specified
.Fa name
may be either a mountpoint, or a device name.
may be either a mountpoint, a device name or a filesystem image.
The
.Fn ufs_disk_fillout
function assumes there is a valid superblock and will fail if not,