#include "includes.h"
+#include "popt_common.h"
+#include "../libcli/security/security.h"
+#include "../librpc/gen_ndr/ndr_security.h"
+#include "passdb/machine_sid.h"
static TALLOC_CTX *ctx;
-enum acl_mode {SMB_ACL_DELETE, SMB_ACL_MODIFY, SMB_ACL_ADD, SMB_ACL_SET, SMB_ACL_VIEW };
+enum acl_mode { SMB_ACL_DELETE,
+ SMB_ACL_MODIFY,
+ SMB_ACL_ADD,
+ SMB_ACL_SET,
+ SMB_SD_DELETE,
+ SMB_SD_SETSDDL,
+ SMB_SD_VIEWSDDL,
+ SMB_ACL_VIEW,
+ SMB_ACL_VIEW_ALL };
struct perm_value {
const char *perm;
{ NULL, 0 },
};
-#define SEC_RIGHTS_DIR_CHANGE ( SEC_RIGHTS_DIR_READ|SEC_STD_DELETE|SEC_RIGHTS_DIR_WRITE|SEC_DIR_TRAVERSE )
+#define SEC_RIGHTS_DIR_CHANGE ( SEC_RIGHTS_DIR_READ|SEC_STD_DELETE|\
+ SEC_RIGHTS_DIR_WRITE|SEC_DIR_TRAVERSE )
static const struct perm_value standard_values[] = {
{ "READ", SEC_RIGHTS_DIR_READ|SEC_DIR_TRAVERSE },
};
/********************************************************************
- print an ACE on a FILE
+ parse an ACE in the same format as print_ace()
********************************************************************/
-static void print_ace(FILE *f, SEC_ACE *ace)
-{
- const struct perm_value *v;
- int do_print = 0;
- uint32 got_mask;
-
- fprintf(f, "%s:", sid_string_tos(&ace->trustee));
-
- /* Ace type */
-
- if (ace->type == SEC_ACE_TYPE_ACCESS_ALLOWED) {
- fprintf(f, "ALLOWED");
- } else if (ace->type == SEC_ACE_TYPE_ACCESS_DENIED) {
- fprintf(f, "DENIED");
- } else {
- fprintf(f, "%d", ace->type);
- }
-
- /* Not sure what flags can be set in a file ACL */
-
- fprintf(f, "/%d/", ace->flags);
-
- /* Standard permissions */
-
- for (v = standard_values; v->perm; v++) {
- if (ace->access_mask == v->mask) {
- fprintf(f, "%s", v->perm);
- return;
- }
- }
-
- /* Special permissions. Print out a hex value if we have
- leftover bits in the mask. */
-
- got_mask = ace->access_mask;
-
- again:
- for (v = special_values; v->perm; v++) {
- if ((ace->access_mask & v->mask) == v->mask) {
- if (do_print) {
- fprintf(f, "%s", v->perm);
- }
- got_mask &= ~v->mask;
- }
- }
-
- if (!do_print) {
- if (got_mask != 0) {
- fprintf(f, "0x%08x", ace->access_mask);
- } else {
- do_print = 1;
- goto again;
- }
- }
-}
-
-/********************************************************************
- print a ascii version of a security descriptor on a FILE handle
-********************************************************************/
-
-static void sec_desc_print(FILE *f, SEC_DESC *sd)
-{
- uint32 i;
-
- fprintf(f, "REVISION:%d\n", sd->revision);
-
- /* Print owner and group sid */
-
- fprintf(f, "OWNER:%s\n", sid_string_tos(sd->owner_sid));
-
- fprintf(f, "GROUP:%s\n", sid_string_tos(sd->group_sid));
-
- /* Print aces */
- for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
- SEC_ACE *ace = &sd->dacl->aces[i];
- fprintf(f, "ACL:");
- print_ace(f, ace);
- fprintf(f, "\n");
- }
-
-}
-
-/********************************************************************
- parse an ACE in the same format as print_ace()
-********************************************************************/
-
-static bool parse_ace(SEC_ACE *ace, const char *orig_str)
+static bool parse_ace(struct security_ace *ace, const char *orig_str)
{
char *p;
const char *cp;
unsigned int atype = 0;
unsigned int aflags = 0;
unsigned int amask = 0;
- DOM_SID sid;
+ struct dom_sid sid;
uint32_t mask;
const struct perm_value *v;
char *str = SMB_STRDUP(orig_str);
ZERO_STRUCTP(ace);
p = strchr_m(str,':');
if (!p) {
- printf("ACE '%s': missing ':'.\n", orig_str);
+ fprintf(stderr, "ACE '%s': missing ':'.\n", orig_str);
SAFE_FREE(str);
TALLOC_FREE(frame);
return False;
p++;
/* Try to parse numeric form */
- if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
+ if (sscanf(p, "%u/%u/%u", &atype, &aflags, &amask) == 3 &&
string_to_sid(&sid, str)) {
goto done;
}
/* Try to parse text form */
if (!string_to_sid(&sid, str)) {
- printf("ACE '%s': failed to convert '%s' to SID\n",
+ fprintf(stderr, "ACE '%s': failed to convert '%s' to SID\n",
orig_str, str);
SAFE_FREE(str);
TALLOC_FREE(frame);
cp = p;
if (!next_token_talloc(frame, &cp, &tok, "/")) {
- printf("ACE '%s': failed to find '/' character.\n",
+ fprintf(stderr, "ACE '%s': failed to find '/' character.\n",
orig_str);
SAFE_FREE(str);
TALLOC_FREE(frame);
} else if (strncmp(tok, "DENIED", strlen("DENIED")) == 0) {
atype = SEC_ACE_TYPE_ACCESS_DENIED;
} else {
- printf("ACE '%s': missing 'ALLOWED' or 'DENIED' entry at '%s'\n",
- orig_str, tok);
+ fprintf(stderr, "ACE '%s': missing 'ALLOWED' or 'DENIED' "
+ "entry at '%s'\n", orig_str, tok);
SAFE_FREE(str);
TALLOC_FREE(frame);
return False;
/* no flags on share permissions */
if (!(next_token_talloc(frame, &cp, &tok, "/") &&
- sscanf(tok, "%i", &aflags) && aflags == 0)) {
- printf("ACE '%s': bad integer flags entry at '%s'\n",
+ sscanf(tok, "%u", &aflags) && aflags == 0)) {
+ fprintf(stderr, "ACE '%s': bad integer flags entry at '%s'\n",
orig_str, tok);
SAFE_FREE(str);
TALLOC_FREE(frame);
}
if (!next_token_talloc(frame, &cp, &tok, "/")) {
- printf("ACE '%s': missing / at '%s'\n",
+ fprintf(stderr, "ACE '%s': missing / at '%s'\n",
orig_str, tok);
SAFE_FREE(str);
TALLOC_FREE(frame);
}
if (strncmp(tok, "0x", 2) == 0) {
- if (sscanf(tok, "%i", &amask) != 1) {
- printf("ACE '%s': bad hex number at '%s'\n",
+ if (sscanf(tok, "%u", &amask) != 1) {
+ fprintf(stderr, "ACE '%s': bad hex number at '%s'\n",
orig_str, tok);
TALLOC_FREE(frame);
SAFE_FREE(str);
}
if (!found) {
- printf("ACE '%s': bad permission value at '%s'\n",
- orig_str, p);
+ fprintf(stderr, "ACE '%s': bad permission value at "
+ "'%s'\n", orig_str, p);
TALLOC_FREE(frame);
SAFE_FREE(str);
- return False;
+ return False;
}
p++;
}
/********************************************************************
********************************************************************/
-static SEC_DESC* parse_acl_string(TALLOC_CTX *mem_ctx, const char *szACL, size_t *sd_size )
+static struct security_descriptor* parse_acl_string(TALLOC_CTX *mem_ctx, const char *szACL, size_t *sd_size )
{
- SEC_DESC *sd = NULL;
- SEC_ACE *ace;
- SEC_ACL *acl;
+ struct security_descriptor *sd = NULL;
+ struct security_ace *ace;
+ struct security_acl *theacl;
int num_ace;
const char *pacl;
int i;
-
+
if ( !szACL )
return NULL;
pacl = szACL;
num_ace = count_chars( pacl, ',' ) + 1;
-
- if ( !(ace = TALLOC_ZERO_ARRAY( mem_ctx, SEC_ACE, num_ace )) )
+
+ if ( !(ace = talloc_zero_array( mem_ctx, struct security_ace, num_ace )) )
return NULL;
-
+
for ( i=0; i<num_ace; i++ ) {
char *end_acl = strchr_m( pacl, ',' );
fstring acl_string;
strncpy( acl_string, pacl, MIN( PTR_DIFF( end_acl, pacl ), sizeof(fstring)-1) );
acl_string[MIN( PTR_DIFF( end_acl, pacl ), sizeof(fstring)-1)] = '\0';
-
+
if ( !parse_ace( &ace[i], acl_string ) )
return NULL;
pacl = end_acl;
pacl++;
}
-
- if ( !(acl = make_sec_acl( mem_ctx, NT4_ACL_REVISION, num_ace, ace )) )
+
+ if ( !(theacl = make_sec_acl( mem_ctx, NT4_ACL_REVISION, num_ace, ace )) )
return NULL;
-
- sd = make_sec_desc( mem_ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE,
- NULL, NULL, NULL, acl, sd_size);
+
+ sd = make_sec_desc( mem_ctx, SD_REVISION, SEC_DESC_SELF_RELATIVE,
+ NULL, NULL, NULL, theacl, sd_size);
return sd;
}
-/* add an ACE to a list of ACEs in a SEC_ACL */
-static bool add_ace(TALLOC_CTX *mem_ctx, SEC_ACL **the_acl, SEC_ACE *ace)
+/* add an ACE to a list of ACEs in a struct security_acl */
+static bool add_ace(TALLOC_CTX *mem_ctx, struct security_acl **the_acl, struct security_ace *ace)
{
- SEC_ACL *new_ace;
- SEC_ACE *aces;
+ struct security_acl *new_ace;
+ struct security_ace *aces;
if (! *the_acl) {
return (((*the_acl) = make_sec_acl(mem_ctx, 3, 1, ace)) != NULL);
}
- if (!(aces = SMB_CALLOC_ARRAY(SEC_ACE, 1+(*the_acl)->num_aces))) {
+ if (!(aces = SMB_CALLOC_ARRAY(struct security_ace, 1+(*the_acl)->num_aces))) {
return False;
}
- memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE));
- memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
+ memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(struct
+ security_ace));
+ memcpy(aces+(*the_acl)->num_aces, ace, sizeof(struct security_ace));
new_ace = make_sec_acl(mem_ctx,(*the_acl)->revision,1+(*the_acl)->num_aces, aces);
SAFE_FREE(aces);
(*the_acl) = new_ace;
computer running Windows NT 5.0" if denied ACEs do not appear before
allowed ACEs. */
-static int ace_compare(SEC_ACE *ace1, SEC_ACE *ace2)
+static int ace_compare(struct security_ace *ace1, struct security_ace *ace2)
{
- if (sec_ace_equal(ace1, ace2))
+ if (security_ace_equal(ace1, ace2))
return 0;
- if (ace1->type != ace2->type)
+ if (ace1->type != ace2->type)
return ace2->type - ace1->type;
- if (sid_compare(&ace1->trustee, &ace2->trustee))
- return sid_compare(&ace1->trustee, &ace2->trustee);
+ if (dom_sid_compare(&ace1->trustee, &ace2->trustee))
+ return dom_sid_compare(&ace1->trustee, &ace2->trustee);
- if (ace1->flags != ace2->flags)
+ if (ace1->flags != ace2->flags)
return ace1->flags - ace2->flags;
- if (ace1->access_mask != ace2->access_mask)
+ if (ace1->access_mask != ace2->access_mask)
return ace1->access_mask - ace2->access_mask;
- if (ace1->size != ace2->size)
+ if (ace1->size != ace2->size)
return ace1->size - ace2->size;
- return memcmp(ace1, ace2, sizeof(SEC_ACE));
+ return memcmp(ace1, ace2, sizeof(struct security_ace));
}
-static void sort_acl(SEC_ACL *the_acl)
+static void sort_acl(struct security_acl *the_acl)
{
uint32 i;
if (!the_acl) return;
- qsort(the_acl->aces, the_acl->num_aces, sizeof(the_acl->aces[0]), QSORT_CAST ace_compare);
+ TYPESAFE_QSORT(the_acl->aces, the_acl->num_aces, ace_compare);
for (i=1;i<the_acl->num_aces;) {
- if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
+ if (security_ace_equal(&the_acl->aces[i-1],
+ &the_acl->aces[i])) {
int j;
for (j=i; j<the_acl->num_aces-1; j++) {
the_acl->aces[j] = the_acl->aces[j+1];
static int change_share_sec(TALLOC_CTX *mem_ctx, const char *sharename, char *the_acl, enum acl_mode mode)
{
- SEC_DESC *sd = NULL;
- SEC_DESC *old = NULL;
+ struct security_descriptor *sd = NULL;
+ struct security_descriptor *old = NULL;
size_t sd_size = 0;
uint32 i, j;
-
- if (mode != SMB_ACL_SET) {
+ char *sd_str;
+
+ if (mode != SMB_ACL_SET && mode != SMB_SD_DELETE) {
if (!(old = get_share_security( mem_ctx, sharename, &sd_size )) ) {
- fprintf(stderr, "Unable to retrieve permissions for share [%s]\n", sharename);
+ fprintf(stderr, "Unable to retrieve permissions for share "
+ "[%s]\n", sharename);
return -1;
}
}
- if ( (mode != SMB_ACL_VIEW) && !(sd = parse_acl_string(mem_ctx, the_acl, &sd_size )) ) {
+ if ( (mode != SMB_ACL_VIEW && mode != SMB_SD_DELETE) &&
+ !(sd = parse_acl_string(mem_ctx, the_acl, &sd_size )) ) {
fprintf( stderr, "Failed to parse acl\n");
return -1;
}
-
+
switch (mode) {
+ case SMB_ACL_VIEW_ALL:
+ /* should not happen */
+ return 0;
case SMB_ACL_VIEW:
- sec_desc_print( stdout, old);
+ sd_str = ndr_print_struct_string(mem_ctx,
+ (ndr_print_fn_t)ndr_print_security_descriptor,
+ "", old);
+ fprintf(stdout, "%s\n", sd_str);
+ talloc_free(sd_str);
return 0;
case SMB_ACL_DELETE:
for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
bool found = False;
for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
- if (sec_ace_equal(&sd->dacl->aces[i], &old->dacl->aces[j])) {
+ if (security_ace_equal(&sd->dacl->aces[i],
+ &old->dacl->aces[j])) {
uint32 k;
for (k=j; k<old->dacl->num_aces-1;k++) {
old->dacl->aces[k] = old->dacl->aces[k+1];
}
if (!found) {
- printf("ACL for ACE:");
- print_ace(stdout, &sd->dacl->aces[i]);
- printf(" not found\n");
+ sd_str = ndr_print_struct_string(mem_ctx,
+ (ndr_print_fn_t)ndr_print_security_ace,
+ "", &sd->dacl->aces[i]);
+ printf("ACL for ACE: %s not found\n", sd_str);
+ talloc_free(sd_str);
}
}
-
break;
case SMB_ACL_MODIFY:
for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
bool found = False;
for (j=0;old->dacl && j<old->dacl->num_aces;j++) {
- if (sid_equal(&sd->dacl->aces[i].trustee,
+ if (dom_sid_equal(&sd->dacl->aces[i].trustee,
&old->dacl->aces[j].trustee)) {
old->dacl->aces[j] = sd->dacl->aces[i];
found = True;
case SMB_ACL_SET:
old = sd;
break;
+ case SMB_SD_DELETE:
+ if (!delete_share_security(sharename)) {
+ fprintf( stderr, "Failed to delete security descriptor for "
+ "share [%s]\n", sharename );
+ return -1;
+ }
+ return 0;
+ default:
+ fprintf(stderr, "invalid command\n");
+ return -1;
}
/* Denied ACE entries must come before allowed ones */
return 0;
}
+static int set_sharesec_sddl(const char *sharename, const char *sddl)
+{
+ struct security_descriptor *sd;
+ bool ret;
+
+ sd = sddl_decode(talloc_tos(), sddl, get_global_sam_sid());
+ if (sd == NULL) {
+ fprintf(stderr, "Failed to parse acl\n");
+ return -1;
+ }
+
+ ret = set_share_security(sharename, sd);
+ TALLOC_FREE(sd);
+ if (!ret) {
+ fprintf(stderr, "Failed to store acl for share [%s]\n",
+ sharename);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int view_sharesec_sddl(const char *sharename)
+{
+ struct security_descriptor *sd;
+ size_t sd_size;
+ char *acl;
+
+ sd = get_share_security(talloc_tos(), sharename, &sd_size);
+ if (sd == NULL) {
+ fprintf(stderr, "Unable to retrieve permissions for share "
+ "[%s]\n", sharename);
+ return -1;
+ }
+
+ acl = sddl_encode(talloc_tos(), sd, get_global_sam_sid());
+ TALLOC_FREE(sd);
+ if (acl == NULL) {
+ fprintf(stderr, "Unable to sddl-encode permissions for share "
+ "[%s]\n", sharename);
+ return -1;
+ }
+ printf("%s\n", acl);
+ TALLOC_FREE(acl);
+ return 0;
+}
+
/********************************************************************
main program
********************************************************************/
+enum {
+ OPT_VIEW_ALL = 1000,
+};
+
int main(int argc, const char *argv[])
{
int opt;
bool initialize_sid = False;
struct poptOption long_options[] = {
POPT_AUTOHELP
- { "remove", 'r', POPT_ARG_STRING, &the_acl, 'r', "Delete an ACE", "ACL" },
- { "modify", 'm', POPT_ARG_STRING, &the_acl, 'm', "Modify an acl", "ACL" },
- { "add", 'a', POPT_ARG_STRING, &the_acl, 'a', "Add an ACE", "ACL" },
- { "replace", 'R', POPT_ARG_STRING, &the_acl, 'R', "Set share mission ACL", "ACLS" },
+ { "remove", 'r', POPT_ARG_STRING, &the_acl, 'r', "Remove ACEs", "ACL" },
+ { "modify", 'm', POPT_ARG_STRING, &the_acl, 'm', "Modify existing ACEs", "ACL" },
+ { "add", 'a', POPT_ARG_STRING, &the_acl, 'a', "Add ACEs", "ACL" },
+ { "replace", 'R', POPT_ARG_STRING, &the_acl, 'R', "Overwrite share permission ACL", "ACLS" },
+ { "delete", 'D', POPT_ARG_NONE, NULL, 'D', "Delete the entire security descriptor" },
+ { "setsddl", 'S', POPT_ARG_STRING, the_acl, 'S',
+ "Set the SD in sddl format" },
+ { "viewsddl", 'V', POPT_ARG_NONE, the_acl, 'V',
+ "View the SD in sddl format" },
{ "view", 'v', POPT_ARG_NONE, NULL, 'v', "View current share permissions" },
+ { "view-all", 0, POPT_ARG_NONE, NULL, OPT_VIEW_ALL,
+ "View all current share permissions" },
{ "machine-sid", 'M', POPT_ARG_NONE, NULL, 'M', "Initialize the machine SID" },
{ "force", 'F', POPT_ARG_NONE, NULL, 'F', "Force storing the ACL", "ACLS" },
POPT_COMMON_SAMBA
}
/* set default debug level to 1 regardless of what smb.conf sets */
- setup_logging( "sharesec", True );
- DEBUGLEVEL_CLASS[DBGC_ALL] = 1;
- dbf = x_stderr;
- x_setbuf( x_stderr, NULL );
+ setup_logging( "sharesec", DEBUG_STDERR);
+
+ smb_init_locale();
+
+ lp_set_cmdline("log level", "1");
pc = poptGetContext("sharesec", argc, argv, long_options, 0);
-
+
poptSetOtherOptionHelp(pc, "sharename\n");
while ((opt = poptGetNextOpt(pc)) != -1) {
the_acl = smb_xstrdup(poptGetOptArg(pc));
mode = SMB_ACL_ADD;
break;
+
case 'R':
the_acl = smb_xstrdup(poptGetOptArg(pc));
mode = SMB_ACL_SET;
break;
+ case 'D':
+ mode = SMB_SD_DELETE;
+ break;
+
+ case 'S':
+ mode = SMB_SD_SETSDDL;
+ the_acl = smb_xstrdup(poptGetOptArg(pc));
+ break;
+
+ case 'V':
+ mode = SMB_SD_VIEWSDDL;
+ break;
+
case 'v':
mode = SMB_ACL_VIEW;
break;
case 'F':
force_acl = True;
break;
-
+
case 'M':
initialize_sid = True;
break;
+ case OPT_VIEW_ALL:
+ mode = SMB_ACL_VIEW_ALL;
+ break;
}
}
-
- setlinebuf(stdout);
- load_case_tables();
+ setlinebuf(stdout);
- lp_load( get_dyn_CONFIGFILE(), False, False, False, True );
+ lp_load_with_registry_shares( get_dyn_CONFIGFILE(), False, False, False,
+ True );
/* check for initializing secrets.tdb first */
-
+
if ( initialize_sid ) {
- DOM_SID *sid = get_global_sam_sid();
-
+ struct dom_sid *sid = get_global_sam_sid();
+
if ( !sid ) {
fprintf( stderr, "Failed to retrieve Machine SID!\n");
return 3;
}
-
+
printf ("%s\n", sid_string_tos( sid ) );
return 0;
}
return -1;
}
+ if (mode == SMB_ACL_VIEW_ALL) {
+ int i;
+
+ for (i=0; i<lp_numservices(); i++) {
+ TALLOC_CTX *frame = talloc_stackframe();
+ const char *service = lp_servicename(frame, i);
+
+ if (service == NULL) {
+ continue;
+ }
+
+ printf("[%s]\n", service);
+ change_share_sec(frame, service, NULL, SMB_ACL_VIEW);
+ printf("\n");
+ TALLOC_FREE(frame);
+ }
+ goto done;
+ }
+
/* get the sharename */
- if(!poptPeekArg(pc)) {
- poptPrintUsage(pc, stderr, 0);
+ if(!poptPeekArg(pc)) {
+ poptPrintUsage(pc, stderr, 0);
return -1;
}
-
+
fstrcpy(sharename, poptGetArg(pc));
-
+
snum = lp_servicenumber( sharename );
-
+
if ( snum == -1 && !force_acl ) {
fprintf( stderr, "Invalid sharename: %s\n", sharename);
return -1;
}
-
- retval = change_share_sec(ctx, sharename, the_acl, mode);
-
+
+ switch (mode) {
+ case SMB_SD_SETSDDL:
+ retval = set_sharesec_sddl(sharename, the_acl);
+ break;
+ case SMB_SD_VIEWSDDL:
+ retval = view_sharesec_sddl(sharename);
+ break;
+ default:
+ retval = change_share_sec(ctx, sharename, the_acl, mode);
+ break;
+ }
+
+done:
talloc_destroy(ctx);
return retval;
git.samba.org / vlendec / samba-autobuild / .git / blobdiff