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added support for a -I flag

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This commit is contained in:
Matthew McGillis 2010-05-05 22:35:02 -07:00 committed by Volker Lendecke
parent 4fee40e2c0
commit 843c6a03c7
1 changed files with 148 additions and 2 deletions
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150
source3/utils/smbcacls.c
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@ -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 {
@ -659,6 +659,34 @@ 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
*******************************************************/
@ -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);