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Add "-h" arguments to getfacl and setfacl, which behave in a manner

Browse Source 
similar to "-h" on chown, chmod, etc, causing the operation to occur
on a final symlink in the provided path, rather than its target.

Obtained from:	TrustedBSD Project
This commit is contained in:
Robert Watson 2002-12-30 15:36:29 +00:00
parent c9257029fd
commit 8051fddedc
5 changed files with 49 additions and 20 deletions
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9
bin/getfacl/getfacl.1
View File

@ -1,5 +1,5 @@
.\"-
.\" Copyright (c) 2000-2001 Robert N. M. Watson
.\" Copyright (c) 2000, 2001, 2002 Robert N. M. Watson
.\" All rights reserved.
.\"
.\" This software was developed by Robert Watson for the TrustedBSD Project.
@ -30,7 +30,7 @@
.\" Developed by the TrustedBSD Project.
.\" Support for POSIX.1e access control lists.
.\"
.Dd March 30, 2000
.Dd Decemer 30, 2002
.Dt GETFACL 1
.Os
.Sh NAME
@ -38,7 +38,7 @@
.Nd get ACL information
.Sh SYNOPSIS
.Nm
.Op Fl d
.Op Fl dh
.Op Ar
.Sh DESCRIPTION
The
@ -61,6 +61,9 @@ The operation applies to the default ACL of a directory instead of the
access ACL.
An error is generated if a default ACL cannot be associated with
.Ar file .
.It Fl h
If the target of the operation is a symbolic link, return the ACL from
the symbol link itself rather than following the link.
.El
.Pp
The following operand is available:

33
bin/getfacl/getfacl.c
View File

@ -1,5 +1,5 @@
/*-
* Copyright (c) 1999-2001 Robert N M Watson
* Copyright (c) 1999, 2001, 2002 Robert N M Watson
* All rights reserved.
*
* This software was developed by Robert Watson for the TrustedBSD Project.
@ -52,7 +52,7 @@ static void
usage(void)
{
fprintf(stderr, "getfacl [-d] [files ...]\n");
fprintf(stderr, "getfacl [-dh] [files ...]\n");
}
/*
@ -147,14 +147,17 @@ acl_from_stat(struct stat sb)
}
static int
print_acl(char *path, acl_type_t type)
print_acl(char *path, acl_type_t type, int hflag)
{
struct stat sb;
acl_t acl;
char *acl_text;
int error;
error = stat(path, &sb);
if (hflag)
error = lstat(path, &sb);
else
error = stat(path, &sb);
if (error == -1) {
warn("%s", path);
return(-1);
@ -167,7 +170,10 @@ print_acl(char *path, acl_type_t type)
printf("#file:%s\n#owner:%d\n#group:%d\n", path, sb.st_uid, sb.st_gid);
acl = acl_get_file(path, type);
if (hflag)
acl = acl_get_link_np(path, type);
else
acl = acl_get_file(path, type);
if (!acl) {
if (errno != EOPNOTSUPP) {
warn("%s", path);
@ -198,7 +204,7 @@ print_acl(char *path, acl_type_t type)
}
static int
print_acl_from_stdin(acl_type_t type)
print_acl_from_stdin(acl_type_t type, int hflag)
{
char *p, pathname[PATH_MAX];
int carried_error = 0;
@ -206,7 +212,7 @@ print_acl_from_stdin(acl_type_t type)
while (fgets(pathname, (int)sizeof(pathname), stdin)) {
if ((p = strchr(pathname, '\n')) != NULL)
*p = '\0';
if (print_acl(pathname, type) == -1) {
if (print_acl(pathname, type, hflag) == -1) {
carried_error = -1;
}
}
@ -220,12 +226,17 @@ main(int argc, char *argv[])
acl_type_t type = ACL_TYPE_ACCESS;
int carried_error = 0;
int ch, error, i;
int hflag;
while ((ch = getopt(argc, argv, "d")) != -1)
hflag = 0;
while ((ch = getopt(argc, argv, "dh")) != -1)
switch(ch) {
case 'd':
type = ACL_TYPE_DEFAULT;
break;
case 'h':
hflag = 1;
break;
default:
usage();
return(-1);
@ -234,17 +245,17 @@ main(int argc, char *argv[])
argv += optind;
if (argc == 0) {
error = print_acl_from_stdin(type);
error = print_acl_from_stdin(type, hflag);
return(error ? 1 : 0);
}
for (i = 0; i < argc; i++) {
if (!strcmp(argv[i], "-")) {
error = print_acl_from_stdin(type);
error = print_acl_from_stdin(type, hflag);
if (error == -1)
carried_error = -1;
} else {
error = print_acl(argv[i], type);
error = print_acl(argv[i], type, hflag);
if (error == -1)
carried_error = -1;
}

5
bin/setfacl/setfacl.1
View File

@ -33,7 +33,7 @@
.Nd set ACL information
.Sh SYNOPSIS
.Nm
.Op Fl bdkn
.Op Fl bdhkn
.Op Fl m Ar entries
.Op Fl M Ar file1
.Op Fl x Ar entries
@ -63,6 +63,9 @@ entries of the current ACL.
The operations apply to the default ACL entries instead of
access ACL entries. Currently only directories may have
default ACL's.
.It Fl h
If the target of the operation is a symbolic link, perform the operation
on the symbolic link itself, rather than following the link.
.It Fl k
Delete any default ACL entries on the specified files. It
is not considered an error if the specified files do not have

21
bin/setfacl/setfacl.c
View File

@ -71,11 +71,19 @@ get_file_acls(const char *filename)
}
acl = zmalloc(sizeof(acl_t) * 2);
acl[ACCESS_ACL] = acl_get_file(filename, ACL_TYPE_ACCESS);
if (h_flag)
acl[ACCESS_ACL] = acl_get_link_np(filename, ACL_TYPE_ACCESS);
else
acl[ACCESS_ACL] = acl_get_file(filename, ACL_TYPE_ACCESS);
if (acl[ACCESS_ACL] == NULL)
err(1, "acl_get_file() failed");
if (S_ISDIR(sb.st_mode)) {
acl[DEFAULT_ACL] = acl_get_file(filename, ACL_TYPE_DEFAULT);
if (h_flag)
acl[DEFAULT_ACL] = acl_get_link_np(filename,
ACL_TYPE_DEFAULT);
else
acl[DEFAULT_ACL] = acl_get_file(filename,
ACL_TYPE_DEFAULT);
if (acl[DEFAULT_ACL] == NULL)
err(1, "acl_get_file() failed");
} else
@ -88,7 +96,7 @@ static void
usage(void)
{
fprintf(stderr, "usage: setfacl [-bdknv] [-m entries] [-M file1] "
fprintf(stderr, "usage: setfacl [-bdhknv] [-m entries] [-M file1] "
"[-x entries] [-X file2] [file ...]\n");
exit(1);
}
@ -104,12 +112,12 @@ main(int argc, char *argv[])
acl_type = ACL_TYPE_ACCESS;
carried_error = local_error = 0;
have_mask = have_stdin = n_flag = need_mask = 0;
h_flag = have_mask = have_stdin = n_flag = need_mask = 0;
TAILQ_INIT(&entrylist);
TAILQ_INIT(&filelist);
while ((ch = getopt(argc, argv, "M:X:bdkm:nx:")) != -1)
while ((ch = getopt(argc, argv, "M:X:bdhkm:nx:")) != -1)
switch(ch) {
case 'M':
entry = zmalloc(sizeof(struct sf_entry));
@ -133,6 +141,9 @@ main(int argc, char *argv[])
case 'd':
acl_type = ACL_TYPE_DEFAULT;
break;
case 'h':
h_flag = 1;
break;
case 'k':
entry = zmalloc(sizeof(struct sf_entry));
entry->op = OP_REMOVE_DEF;

1
bin/setfacl/setfacl.h
View File

@ -75,6 +75,7 @@ acl_type_t acl_type;
uint have_mask;
uint need_mask;
uint have_stdin;
uint h_flag;
uint n_flag;
#endif /* _SETFACL_H */