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authorMatthew McGillis <matthew@mcgillis.org>2010-05-05 22:35:02 -0700
committerVolker Lendecke <vl@samba.org>2010-05-17 10:21:51 +0200
commit843c6a03c7094a58484fab10e246a8153d976de5 (patch)
tree49a889adbd9d35c73040e9451f92e19c171e5152
parent4fee40e2c0700d563386cfab686c0e6e3cb3e8f2 (diff)
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added support for a -I flag
-rw-r--r--source3/utils/smbcacls.c150
1 files changed, 148 insertions, 2 deletions
diff --git a/source3/utils/smbcacls.c b/source3/utils/smbcacls.c
index 621105eaee..817b07933b 100644
--- a/source3/utils/smbcacls.c
+++ b/source3/utils/smbcacls.c
@@ -37,7 +37,7 @@ static int numeric;
static int sddl;
enum acl_mode {SMB_ACL_SET, SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD };
-enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP};
+enum chown_mode {REQUEST_NONE, REQUEST_CHOWN, REQUEST_CHGRP, REQUEST_INHERIT};
enum exit_values {EXIT_OK, EXIT_FAILED, EXIT_PARSE_ERROR};
struct perm_value {
@@ -660,6 +660,34 @@ static void sec_desc_print(struct cli_state *cli, FILE *f, SEC_DESC *sd)
}
/*****************************************************
+get fileinfo for filename
+*******************************************************/
+static uint16 get_fileinfo(struct cli_state *cli, const char *filename)
+{
+ uint16_t fnum = (uint16_t)-1;
+ uint16 mode;
+
+ /* The desired access below is the only one I could find that works
+ with NT4, W2KP and Samba */
+
+ if (!NT_STATUS_IS_OK(cli_ntcreate(cli, filename, 0, CREATE_ACCESS_READ,
+ 0, FILE_SHARE_READ|FILE_SHARE_WRITE,
+ FILE_OPEN, 0x0, 0x0, &fnum))) {
+ printf("Failed to open %s: %s\n", filename, cli_errstr(cli));
+ }
+
+ if (!cli_qfileinfo(cli, fnum, &mode, NULL, NULL, NULL,
+ NULL, NULL, NULL)) {
+ printf("Failed to file info %s: %s\n", filename,
+ cli_errstr(cli));
+ }
+
+ cli_close(cli, fnum);
+
+ return mode;
+}
+
+/*****************************************************
get sec desc for filename
*******************************************************/
static SEC_DESC *get_secdesc(struct cli_state *cli, const char *filename)
@@ -958,6 +986,116 @@ static int cacl_set(struct cli_state *cli, const char *filename,
return result;
}
+/*****************************************************
+set the inherit on a file
+*******************************************************/
+static int inherit(struct cli_state *cli, const char *filename,
+ const char *type)
+{
+ SEC_DESC *old,*sd;
+ uint32 oldattr;
+ size_t sd_size;
+ int result = EXIT_OK;
+
+ old = get_secdesc(cli, filename);
+
+ if (!old) {
+ return EXIT_FAILED;
+ }
+
+ oldattr = get_fileinfo(cli,filename);
+
+ if (strcmp(type,"allow")==0) {
+ if ((old->type & SEC_DESC_DACL_PROTECTED) ==
+ SEC_DESC_DACL_PROTECTED) {
+ int i;
+ char *parentname,*temp;
+ SEC_DESC *parent;
+ temp = talloc_strdup(talloc_tos(), filename);
+
+ old->type=old->type & (~SEC_DESC_DACL_PROTECTED);
+
+ /* look at parent and copy in all its inheritable ACL's. */
+ string_replace(temp, '\\', '/');
+ if (!parent_dirname(talloc_tos(),temp,&parentname,NULL)) {
+ return EXIT_FAILED;
+ }
+ string_replace(parentname, '/', '\\');
+ parent = get_secdesc(cli,parentname);
+ for (i=0;i<parent->dacl->num_aces;i++) {
+ SEC_ACE *ace=&parent->dacl->aces[i];
+ if ((oldattr & aDIR) == aDIR) {
+ if ((ace->flags & SEC_ACE_FLAG_CONTAINER_INHERIT) ==
+ SEC_ACE_FLAG_CONTAINER_INHERIT) {
+ add_ace(&old->dacl, ace);
+ }
+ } else {
+ if ((ace->flags & SEC_ACE_FLAG_OBJECT_INHERIT) ==
+ SEC_ACE_FLAG_OBJECT_INHERIT) {
+ add_ace(&old->dacl, ace);
+ }
+ }
+ }
+ } else {
+ printf("Already set to inheritable permissions.\n");
+ return EXIT_FAILED;
+ }
+ } else if (strcmp(type,"remove")==0) {
+ if ((old->type & SEC_DESC_DACL_PROTECTED) !=
+ SEC_DESC_DACL_PROTECTED) {
+ old->type=old->type | SEC_DESC_DACL_PROTECTED;
+
+ /* remove all inherited ACL's. */
+ if (old->dacl) {
+ int i;
+ SEC_ACL *temp=old->dacl;
+ old->dacl=make_sec_acl(talloc_tos(), 3, 0, NULL);
+ for (i=temp->num_aces-1;i>=0;i--) {
+ SEC_ACE *ace=&temp->aces[i];
+ /* Remove all ace with INHERITED flag set */
+ if ((ace->flags & SEC_ACE_FLAG_INHERITED_ACE) !=
+ SEC_ACE_FLAG_INHERITED_ACE) {
+ add_ace(&old->dacl,ace);
+ }
+ }
+ }
+ } else {
+ printf("Already set to no inheritable permissions.\n");
+ return EXIT_FAILED;
+ }
+ } else if (strcmp(type,"copy")==0) {
+ if ((old->type & SEC_DESC_DACL_PROTECTED) !=
+ SEC_DESC_DACL_PROTECTED) {
+ old->type=old->type | SEC_DESC_DACL_PROTECTED;
+
+ /* convert all inherited ACL's to non inherated ACL's. */
+ if (old->dacl) {
+ int i;
+ for (i=0;i<old->dacl->num_aces;i++) {
+ SEC_ACE *ace=&old->dacl->aces[i];
+ /* Remove INHERITED FLAG from all aces */
+ ace->flags=ace->flags&(~SEC_ACE_FLAG_INHERITED_ACE);
+ }
+ }
+ } else {
+ printf("Already set to no inheritable permissions.\n");
+ return EXIT_FAILED;
+ }
+ }
+
+ /* Denied ACE entries must come before allowed ones */
+ sort_acl(old->dacl);
+
+ sd = make_sec_desc(talloc_tos(),old->revision, old->type,
+ old->owner_sid, old->group_sid,
+ NULL, old->dacl, &sd_size);
+
+ if (!set_secdesc(cli, filename, sd)) {
+ result = EXIT_FAILED;
+ }
+
+ return result;
+}
/*****************************************************
Return a connection to a server.
@@ -1035,6 +1173,7 @@ static struct cli_state *connect_one(struct user_auth_info *auth_info,
{ "set", 'S', POPT_ARG_STRING, NULL, 'S', "Set acls", "ACLS" },
{ "chown", 'C', POPT_ARG_STRING, NULL, 'C', "Change ownership of a file", "USERNAME" },
{ "chgrp", 'G', POPT_ARG_STRING, NULL, 'G', "Change group ownership of a file", "GROUPNAME" },
+ { "inherit", 'I', POPT_ARG_STRING, NULL, 'I', "Inherit allow|remove|copy" },
{ "numeric", 0, POPT_ARG_NONE, &numeric, 1, "Don't resolve sids or masks to names" },
{ "sddl", 0, POPT_ARG_NONE, &sddl, 1, "Output and input acls in sddl format" },
{ "test-args", 't', POPT_ARG_NONE, &test_args, 1, "Test arguments"},
@@ -1107,6 +1246,11 @@ static struct cli_state *connect_one(struct user_auth_info *auth_info,
owner_username = poptGetOptArg(pc);
change_mode = REQUEST_CHGRP;
break;
+
+ case 'I':
+ owner_username = poptGetOptArg(pc);
+ change_mode = REQUEST_INHERIT;
+ break;
}
}
@@ -1167,7 +1311,9 @@ static struct cli_state *connect_one(struct user_auth_info *auth_info,
/* Perform requested action */
- if (change_mode != REQUEST_NONE) {
+ if (change_mode == REQUEST_INHERIT) {
+ result = inherit(cli, filename, owner_username);
+ } else if (change_mode != REQUEST_NONE) {
result = owner_set(cli, change_mode, filename, owner_username);
} else if (the_acl) {
result = cacl_set(cli, filename, the_acl, mode);