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Add -h flags to each of the *extattr(8) commands, indicating that

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the command should not follow the symlink if the target file is a
symlink.  Invoke the extattr_*_link(2) version of the system call
in that situation, instead of extattr_*_file(2).  This is
consistent with other attribute management tools in the system.

Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, Network Associates Laboratories
This commit is contained in:
Robert Watson 2002-10-10 16:47:21 +00:00
parent 16de69e956
commit 6c3fb1121a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=104798
2 changed files with 43 additions and 20 deletions
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11
usr.sbin/extattr/rmextattr.8
View File

@ -42,21 +42,21 @@
.Nd manipulated extended attributes
.Sh SYNOPSIS
.Nm getextattr
.Op Fl fqsx
.Op Fl fhqsx
.Ar attrnamespace
.Ar attrname
.Ar filename ...
.Nm lsextattr
.Op Fl fq
.Op Fl fhq
.Ar attrnamespace
.Ar filename ...
.Nm rmextattr
.Op Fl fq
.Op Fl fhq
.Ar attrnamespace
.Ar attrname
.Ar filename ...
.Nm setextattr
.Op Fl fq
.Op Fl fhq
.Ar attrnamespace
.Ar attrname
.Ar attrvalue
@ -83,6 +83,9 @@ The following options are available:
.It Fl -f
(Force) Ignore errors on individual filenames and continue with
the remaining arguments.
.It Fl -h
(No follow) If the file is a symbolic link, perform the operation on the
link itself rather than the file that the link points to.
.It Fl -q
(Quiet) Do not print out the pathname and suppress error messages.
.It Fl -s

52
usr.sbin/extattr/rmextattr.c
View File

@ -58,19 +58,19 @@ usage(void)
switch (what) {
case EAGET:
fprintf(stderr, "usage: getextattr [-fqsx] attrnamespace");
fprintf(stderr, "usage: getextattr [-fhqsx] attrnamespace");
fprintf(stderr, " attrname filename ...\n");
exit(-1);
case EASET:
fprintf(stderr, "usage: setextattr [-fq] attrnamespace");
fprintf(stderr, "usage: setextattr [-fhq] attrnamespace");
fprintf(stderr, " attrname attrvalue filename ...\n");
exit(-1);
case EARM:
fprintf(stderr, "usage: rmextattr [-fq] attrnamespace");
fprintf(stderr, "usage: rmextattr [-fhq] attrnamespace");
fprintf(stderr, " attrname filename ...\n");
exit(-1);
case EALS:
fprintf(stderr, "usage: lsextattr [-fq] attrnamespace");
fprintf(stderr, "usage: lsextattr [-fhq] attrnamespace");
fprintf(stderr, " filename ...\n");
exit(-1);
case EADUNNO:
@ -105,6 +105,7 @@ main(int argc, char *argv[])
int buflen, visbuflen, ch, error, i, arg_counter, attrnamespace;
int flag_force = 0;
int flag_nofollow = 0;
int flag_quiet = 0;
int flag_string = 0;
int flag_hex = 0;
@ -117,16 +118,16 @@ main(int argc, char *argv[])
p = argv[0];
if (!strcmp(p, "getextattr")) {
what = EAGET;
options = "fqsx";
options = "fhqsx";
} else if (!strcmp(p, "setextattr")) {
what = EASET;
options = "fq";
options = "fhq";
} else if (!strcmp(p, "rmextattr")) {
what = EARM;
options = "fq";
options = "fhq";
} else if (!strcmp(p, "lsextattr")) {
what = EALS;
options = "fq";
options = "fhq";
} else {
usage();
}
@ -136,6 +137,9 @@ main(int argc, char *argv[])
case 'f':
flag_force = 1;
break;
case 'h':
flag_nofollow = 1;
break;
case 'q':
flag_quiet = 1;
break;
@ -178,26 +182,42 @@ main(int argc, char *argv[])
for (arg_counter = 0; arg_counter < argc; arg_counter++) {
switch (what) {
case EARM:
error = extattr_delete_file(argv[arg_counter],
attrnamespace, attrname);
if (flag_nofollow)
error = extattr_delete_link(argv[arg_counter],
attrnamespace, attrname);
else
error = extattr_delete_file(argv[arg_counter],
attrnamespace, attrname);
if (error >= 0)
continue;
break;
case EASET:
error = extattr_set_file(argv[arg_counter],
attrnamespace, attrname, buf, strlen(buf));
if (flag_nofollow)
error = extattr_set_link(argv[arg_counter],
attrnamespace, attrname, buf, strlen(buf));
else
error = extattr_set_file(argv[arg_counter],
attrnamespace, attrname, buf, strlen(buf));
if (error >= 0)
continue;
break;
case EALS:
case EAGET:
error = extattr_get_file(argv[arg_counter],
attrnamespace, attrname, NULL, 0);
if (flag_nofollow)
error = extattr_get_link(argv[arg_counter],
attrnamespace, attrname, NULL, 0);
else
error = extattr_get_file(argv[arg_counter],
attrnamespace, attrname, NULL, 0);
if (error < 0)
break;
mkbuf(&buf, &buflen, error);
error = extattr_get_file(argv[arg_counter],
attrnamespace, attrname, buf, buflen);
if (flag_nofollow)
error = extattr_get_link(argv[arg_counter],
attrnamespace, attrname, buf, buflen);
else
error = extattr_get_file(argv[arg_counter],
attrnamespace, attrname, buf, buflen);
if (error < 0)
break;
if (!flag_quiet)