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Diffstat (limited to 'source3/libsmb/libsmb_xattr.c')
-rw-r--r--source3/libsmb/libsmb_xattr.c409
1 files changed, 199 insertions, 210 deletions
diff --git a/source3/libsmb/libsmb_xattr.c b/source3/libsmb/libsmb_xattr.c
index 0e2ffda7a2..27c3e12399 100644
--- a/source3/libsmb/libsmb_xattr.c
+++ b/source3/libsmb/libsmb_xattr.c
@@ -7,17 +7,17 @@
Copyright (C) Tom Jansen (Ninja ISD) 2002
Copyright (C) Derrell Lipman 2003-2008
Copyright (C) Jeremy Allison 2007, 2008
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -34,17 +34,15 @@ static struct rpc_pipe_client *
find_lsa_pipe_hnd(struct cli_state *ipc_cli)
{
struct rpc_pipe_client *pipe_hnd;
-
+
for (pipe_hnd = ipc_cli->pipe_list;
pipe_hnd;
pipe_hnd = pipe_hnd->next) {
-
if (ndr_syntax_id_equal(&pipe_hnd->abstract_syntax,
&ndr_table_lsarpc.syntax_id)) {
return pipe_hnd;
}
}
-
return NULL;
}
@@ -60,19 +58,19 @@ ace_compare(SEC_ACE *ace1,
{
bool b1;
bool b2;
-
+
/* If the ACEs are equal, we have nothing more to do. */
if (sec_ace_equal(ace1, ace2)) {
return 0;
}
-
+
/* Inherited follow non-inherited */
b1 = ((ace1->flags & SEC_ACE_FLAG_INHERITED_ACE) != 0);
b2 = ((ace2->flags & SEC_ACE_FLAG_INHERITED_ACE) != 0);
if (b1 != b2) {
return (b1 ? 1 : -1);
}
-
+
/*
* What shall we do with AUDITs and ALARMs? It's undefined. We'll
* sort them after DENY and ALLOW.
@@ -88,7 +86,7 @@ ace_compare(SEC_ACE *ace1,
if (b1 != b2) {
return (b1 ? 1 : -1);
}
-
+
/* Allowed ACEs follow denied ACEs */
b1 = (ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED ||
ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT);
@@ -97,7 +95,7 @@ ace_compare(SEC_ACE *ace1,
if (b1 != b2) {
return (b1 ? 1 : -1);
}
-
+
/*
* ACEs applying to an entity's object follow those applying to the
* entity itself
@@ -109,34 +107,34 @@ ace_compare(SEC_ACE *ace1,
if (b1 != b2) {
return (b1 ? 1 : -1);
}
-
+
/*
* If we get this far, the ACEs are similar as far as the
* characteristics we typically care about (those defined by the
* referenced MS document). We'll now sort by characteristics that
* just seems reasonable.
*/
-
+
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 (ace1->flags != ace2->flags) {
return ace1->flags - ace2->flags;
}
-
+
if (ace1->access_mask != ace2->access_mask) {
return ace1->access_mask - ace2->access_mask;
}
-
+
if (ace1->size != ace2->size) {
return ace1->size - ace2->size;
}
-
+
return memcmp(ace1, ace2, sizeof(SEC_ACE));
}
@@ -146,10 +144,10 @@ sort_acl(SEC_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);
-
+
for (i=1;i<the_acl->num_aces;) {
if (sec_ace_equal(&the_acl->aces[i-1], &the_acl->aces[i])) {
int j;
@@ -176,21 +174,21 @@ convert_sid_to_string(struct cli_state *ipc_cli,
enum lsa_SidType *types = NULL;
struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
TALLOC_CTX *ctx;
-
+
sid_to_fstring(str, sid);
-
+
if (numeric) {
return; /* no lookup desired */
}
-
+
if (!pipe_hnd) {
return;
}
-
+
/* Ask LSA to convert the sid to a name */
-
+
ctx = talloc_stackframe();
-
+
if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_sids(pipe_hnd, ctx,
pol, 1, sid, &domains,
&names, &types)) ||
@@ -198,9 +196,9 @@ convert_sid_to_string(struct cli_state *ipc_cli,
TALLOC_FREE(ctx);
return;
}
-
+
/* Converted OK */
-
+
slprintf(str, sizeof(fstring) - 1, "%s%s%s",
domains[0], lp_winbind_separator(),
names[0]);
@@ -221,20 +219,20 @@ convert_string_to_sid(struct cli_state *ipc_cli,
bool result = True;
TALLOC_CTX *ctx = NULL;
struct rpc_pipe_client *pipe_hnd = find_lsa_pipe_hnd(ipc_cli);
-
+
if (!pipe_hnd) {
return False;
}
-
+
if (numeric) {
if (strncmp(str, "S-", 2) == 0) {
return string_to_sid(sid, str);
}
-
+
result = False;
goto done;
}
-
+
ctx = talloc_stackframe();
if (!NT_STATUS_IS_OK(rpccli_lsa_lookup_names(pipe_hnd, ctx,
pol, 1, &str,
@@ -243,10 +241,9 @@ convert_string_to_sid(struct cli_state *ipc_cli,
result = False;
goto done;
}
-
+
sid_copy(sid, &sids[0]);
done:
-
TALLOC_FREE(ctx);
return result;
}
@@ -274,7 +271,7 @@ parse_ace(struct cli_state *ipc_cli,
uint32 mask;
};
TALLOC_CTX *frame = talloc_stackframe();
-
+
/* These values discovered by inspection */
static const struct perm_value special_values[] = {
{ "R", 0x00120089 },
@@ -285,15 +282,14 @@ parse_ace(struct cli_state *ipc_cli,
{ "O", 0x00080000 },
{ "", 0 },
};
-
+
static const struct perm_value standard_values[] = {
{ "READ", 0x001200a9 },
{ "CHANGE", 0x001301bf },
{ "FULL", 0x001f01ff },
{ "", 0 },
};
-
-
+
ZERO_STRUCTP(ace);
p = strchr_m(str,':');
if (!p) {
@@ -303,25 +299,25 @@ parse_ace(struct cli_state *ipc_cli,
*p = '\0';
p++;
/* Try to parse numeric form */
-
+
if (sscanf(p, "%i/%i/%i", &atype, &aflags, &amask) == 3 &&
convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
goto done;
}
-
+
/* Try to parse text form */
-
+
if (!convert_string_to_sid(ipc_cli, pol, numeric, &sid, str)) {
TALLOC_FREE(frame);
return false;
}
-
+
cp = p;
if (!next_token_talloc(frame, &cp, &tok, "/")) {
TALLOC_FREE(frame);
return false;
}
-
+
if (StrnCaseCmp(tok, "ALLOWED", strlen("ALLOWED")) == 0) {
atype = SEC_ACE_TYPE_ACCESS_ALLOWED;
} else if (StrnCaseCmp(tok, "DENIED", strlen("DENIED")) == 0) {
@@ -330,20 +326,20 @@ parse_ace(struct cli_state *ipc_cli,
TALLOC_FREE(frame);
return false;
}
-
+
/* Only numeric form accepted for flags at present */
-
+
if (!(next_token_talloc(frame, &cp, &tok, "/") &&
sscanf(tok, "%i", &aflags))) {
TALLOC_FREE(frame);
return false;
}
-
+
if (!next_token_talloc(frame, &cp, &tok, "/")) {
TALLOC_FREE(frame);
return false;
}
-
+
if (strncmp(tok, "0x", 2) == 0) {
if (sscanf(tok, "%i", &amask) != 1) {
TALLOC_FREE(frame);
@@ -351,38 +347,38 @@ parse_ace(struct cli_state *ipc_cli,
}
goto done;
}
-
+
for (v = standard_values; v->perm; v++) {
if (strcmp(tok, v->perm) == 0) {
amask = v->mask;
goto done;
}
}
-
+
p = tok;
-
+
while(*p) {
bool found = False;
-
+
for (v = special_values; v->perm; v++) {
if (v->perm[0] == *p) {
amask |= v->mask;
found = True;
}
}
-
+
if (!found) {
TALLOC_FREE(frame);
return false;
}
p++;
}
-
+
if (*p) {
TALLOC_FREE(frame);
return false;
}
-
+
done:
mask = amask;
init_sec_ace(ace, &sid, atype, mask, aflags);
@@ -398,12 +394,12 @@ add_ace(SEC_ACL **the_acl,
{
SEC_ACL *newacl;
SEC_ACE *aces;
-
+
if (! *the_acl) {
(*the_acl) = make_sec_acl(ctx, 3, 1, ace);
return True;
}
-
+
if ((aces = SMB_CALLOC_ARRAY(SEC_ACE,
1+(*the_acl)->num_aces)) == NULL) {
return False;
@@ -434,14 +430,14 @@ sec_desc_parse(TALLOC_CTX *ctx,
DOM_SID *owner_sid=NULL;
SEC_ACL *dacl=NULL;
int revision=1;
-
+
while (next_token_talloc(ctx, &p, &tok, "\t,\r\n")) {
-
+
if (StrnCaseCmp(tok,"REVISION:", 9) == 0) {
revision = strtol(tok+9, NULL, 16);
continue;
}
-
+
if (StrnCaseCmp(tok,"OWNER:", 6) == 0) {
if (owner_sid) {
DEBUG(5,("OWNER specified more than once!\n"));
@@ -457,7 +453,7 @@ sec_desc_parse(TALLOC_CTX *ctx,
}
continue;
}
-
+
if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
if (owner_sid) {
DEBUG(5,("OWNER specified more than once!\n"));
@@ -473,7 +469,7 @@ sec_desc_parse(TALLOC_CTX *ctx,
}
continue;
}
-
+
if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
if (group_sid) {
DEBUG(5,("GROUP specified more than once!\n"));
@@ -489,7 +485,7 @@ sec_desc_parse(TALLOC_CTX *ctx,
}
continue;
}
-
+
if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
if (group_sid) {
DEBUG(5,("GROUP specified more than once!\n"));
@@ -505,7 +501,7 @@ sec_desc_parse(TALLOC_CTX *ctx,
}
continue;
}
-
+
if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
SEC_ACE ace;
if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
@@ -518,7 +514,7 @@ sec_desc_parse(TALLOC_CTX *ctx,
}
continue;
}
-
+
if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
SEC_ACE ace;
if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
@@ -531,18 +527,17 @@ sec_desc_parse(TALLOC_CTX *ctx,
}
continue;
}
-
+
DEBUG(5, ("Failed to parse security descriptor\n"));
goto done;
}
-
+
ret = make_sec_desc(ctx, revision, SEC_DESC_SELF_RELATIVE,
owner_sid, group_sid, NULL, dacl, &sd_size);
-
+
done:
SAFE_FREE(group_sid);
SAFE_FREE(owner_sid);
-
return ret;
}
@@ -562,13 +557,13 @@ dos_attr_query(SMBCCTX *context,
uint16 mode = 0;
SMB_INO_T inode = 0;
DOS_ATTR_DESC *ret;
-
+
ret = TALLOC_P(ctx, DOS_ATTR_DESC);
if (!ret) {
errno = ENOMEM;
return NULL;
}
-
+
/* Obtain the DOS attributes */
if (!SMBC_getatr(context, srv, CONST_DISCARD(char *, filename),
&mode, &size,
@@ -581,7 +576,7 @@ dos_attr_query(SMBCCTX *context,
DEBUG(5, ("dos_attr_query Failed to query old attributes\n"));
return NULL;
}
-
+
ret->mode = mode;
ret->size = size;
ret->create_time = convert_timespec_to_time_t(create_time_ts);
@@ -589,7 +584,7 @@ dos_attr_query(SMBCCTX *context,
ret->write_time = convert_timespec_to_time_t(write_time_ts);
ret->change_time = convert_timespec_to_time_t(change_time_ts);
ret->inode = inode;
-
+
return ret;
}
@@ -611,7 +606,7 @@ dos_attr_parse(SMBCCTX *context,
const char * write_time_attr;
const char * change_time_attr;
} attr_strings;
-
+
/* Determine whether to use old-style or new-style attribute names */
if (context->internal->full_time_names) {
/* new-style names */
@@ -626,7 +621,7 @@ dos_attr_parse(SMBCCTX *context,
attr_strings.write_time_attr = "M_TIME";
attr_strings.change_time_attr = "C_TIME";
}
-
+
/* if this is to set the entire ACL... */
if (*str == '*') {
/* ... then increment past the first colon if there is one */
@@ -636,7 +631,7 @@ dos_attr_parse(SMBCCTX *context,
p = str;
}
}
-
+
frame = talloc_stackframe();
while (next_token_talloc(frame, &p, &tok, "\t,\r\n")) {
if (StrnCaseCmp(tok, "MODE:", 5) == 0) {
@@ -651,30 +646,30 @@ dos_attr_parse(SMBCCTX *context,
}
continue;
}
-
+
if (StrnCaseCmp(tok, "SIZE:", 5) == 0) {
dad->size = (SMB_OFF_T)atof(tok+5);
continue;
}
-
+
n = strlen(attr_strings.access_time_attr);
if (StrnCaseCmp(tok, attr_strings.access_time_attr, n) == 0) {
dad->access_time = (time_t)strtol(tok+n+1, NULL, 10);
continue;
}
-
+
n = strlen(attr_strings.change_time_attr);
if (StrnCaseCmp(tok, attr_strings.change_time_attr, n) == 0) {
dad->change_time = (time_t)strtol(tok+n+1, NULL, 10);
continue;
}
-
+
n = strlen(attr_strings.write_time_attr);
if (StrnCaseCmp(tok, attr_strings.write_time_attr, n) == 0) {
dad->write_time = (time_t)strtol(tok+n+1, NULL, 10);
continue;
}
-
+
if (attr_strings.create_time_attr != NULL) {
n = strlen(attr_strings.create_time_attr);
if (StrnCaseCmp(tok, attr_strings.create_time_attr,
@@ -684,7 +679,7 @@ dos_attr_parse(SMBCCTX *context,
continue;
}
}
-
+
if (StrnCaseCmp(tok, "INODE:", 6) == 0) {
dad->inode = (SMB_INO_T)atof(tok+6);
continue;
@@ -761,7 +756,7 @@ cacl_get(SMBCCTX *context,
const char * write_time_attr;
const char * change_time_attr;
} excl_attr_strings;
-
+
/* Determine whether to use old-style or new-style attribute names */
if (context->internal->full_time_names) {
/* new-style names */
@@ -769,7 +764,7 @@ cacl_get(SMBCCTX *context,
attr_strings.access_time_attr = "ACCESS_TIME";
attr_strings.write_time_attr = "WRITE_TIME";
attr_strings.change_time_attr = "CHANGE_TIME";
-
+
excl_attr_strings.create_time_attr = "CREATE_TIME";
excl_attr_strings.access_time_attr = "ACCESS_TIME";
excl_attr_strings.write_time_attr = "WRITE_TIME";
@@ -780,28 +775,28 @@ cacl_get(SMBCCTX *context,
attr_strings.access_time_attr = "A_TIME";
attr_strings.write_time_attr = "M_TIME";
attr_strings.change_time_attr = "C_TIME";
-
+
excl_attr_strings.create_time_attr = NULL;
excl_attr_strings.access_time_attr = "dos_attr.A_TIME";
excl_attr_strings.write_time_attr = "dos_attr.M_TIME";
excl_attr_strings.change_time_attr = "dos_attr.C_TIME";
}
-
+
/* Copy name so we can strip off exclusions (if any are specified) */
strncpy(name_sandbox, attr_name, sizeof(name_sandbox) - 1);
-
+
/* Ensure name is null terminated */
name_sandbox[sizeof(name_sandbox) - 1] = '\0';
-
+
/* Play in the sandbox */
name = name_sandbox;
-
+
/* If there are any exclusions, point to them and mask them from name */
if ((pExclude = strchr(name, '!')) != NULL)
{
*pExclude++ = '\0';
}
-
+
all = (StrnCaseCmp(name, "system.*", 8) == 0);
all_nt = (StrnCaseCmp(name, "system.nt_sec_desc.*", 20) == 0);
all_nt_acls = (StrnCaseCmp(name, "system.nt_sec_desc.acl.*", 24) == 0);
@@ -809,21 +804,20 @@ cacl_get(SMBCCTX *context,
some_nt = (StrnCaseCmp(name, "system.nt_sec_desc.", 19) == 0);
some_dos = (StrnCaseCmp(name, "system.dos_attr.", 16) == 0);
numeric = (* (name + strlen(name) - 1) != '+');
-
+
/* Look for exclusions from "all" requests */
if (all || all_nt || all_dos) {
-
/* Exclusions are delimited by '!' */
for (;
pExclude != NULL;
pExclude = (p == NULL ? NULL : p + 1)) {
-
+
/* Find end of this exclusion name */
if ((p = strchr(pExclude, '!')) != NULL)
{
*p = '\0';
}
-
+
/* Which exclusion name is this? */
if (StrCaseCmp(pExclude,
"nt_sec_desc.revision") == 0) {
@@ -877,9 +871,9 @@ cacl_get(SMBCCTX *context,
}
}
}
-
+
n_used = 0;
-
+
/*
* If we are (possibly) talking to an NT or new system and some NT
* attributes have been requested...
@@ -950,7 +944,7 @@ cacl_get(SMBCCTX *context,
sd->revision);
}
}
-
+
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
@@ -960,7 +954,7 @@ cacl_get(SMBCCTX *context,
bufsize -= n;
n = 0;
}
-
+
if (! exclude_nt_owner) {
/* Get owner and group sid */
if (sd->owner_sid) {
@@ -971,7 +965,7 @@ cacl_get(SMBCCTX *context,
} else {
fstrcpy(sidstr, "");
}
-
+
if (all || all_nt) {
if (determine_size) {
p = talloc_asprintf(ctx, ",OWNER:%s",
@@ -998,7 +992,7 @@ cacl_get(SMBCCTX *context,
sidstr);
}
}
-
+
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
@@ -1008,7 +1002,7 @@ cacl_get(SMBCCTX *context,
bufsize -= n;
n = 0;
}
-
+
if (! exclude_nt_group) {
if (sd->group_sid) {
convert_sid_to_string(ipc_cli, pol,
@@ -1017,7 +1011,7 @@ cacl_get(SMBCCTX *context,
} else {
fstrcpy(sidstr, "");
}
-
+
if (all || all_nt) {
if (determine_size) {
p = talloc_asprintf(ctx, ",GROUP:%s",
@@ -1044,7 +1038,7 @@ cacl_get(SMBCCTX *context,
"%s", sidstr);
}
}
-
+
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
@@ -1054,16 +1048,16 @@ cacl_get(SMBCCTX *context,
bufsize -= n;
n = 0;
}
-
+
if (! exclude_nt_acl) {
/* Add aces to value buffer */
for (i = 0; sd->dacl && i < sd->dacl->num_aces; i++) {
-
+
SEC_ACE *ace = &sd->dacl->aces[i];
convert_sid_to_string(ipc_cli, pol,
sidstr, numeric,
&ace->trustee);
-
+
if (all || all_nt) {
if (determine_size) {
p = talloc_asprintf(
@@ -1146,15 +1140,15 @@ cacl_get(SMBCCTX *context,
n = 0;
}
}
-
+
/* Restore name pointer to its original value */
name -= 19;
}
-
+
if (all || some_dos) {
/* Point to the portion after "system.dos_attr." */
name += 16; /* if (all) this will be invalid but unused */
-
+
/* Obtain the DOS attributes */
if (!SMBC_getatr(context, srv, filename, &mode, &size,
&create_time_ts,
@@ -1162,17 +1156,16 @@ cacl_get(SMBCCTX *context,
&write_time_ts,
&change_time_ts,
&ino)) {
-
+
errno = SMBC_errno(context, srv->cli);
return -1;
-
}
-
+
create_time = convert_timespec_to_time_t(create_time_ts);
access_time = convert_timespec_to_time_t(access_time_ts);
write_time = convert_timespec_to_time_t(write_time_ts);
change_time = convert_timespec_to_time_t(change_time_ts);
-
+
if (! exclude_dos_mode) {
if (all || all_dos) {
if (determine_size) {
@@ -1210,7 +1203,7 @@ cacl_get(SMBCCTX *context,
"0x%x", mode);
}
}
-
+
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
@@ -1220,7 +1213,7 @@ cacl_get(SMBCCTX *context,
bufsize -= n;
n = 0;
}
-
+
if (! exclude_dos_size) {
if (all || all_dos) {
if (determine_size) {
@@ -1255,7 +1248,7 @@ cacl_get(SMBCCTX *context,
(double)size);
}
}
-
+
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
@@ -1265,7 +1258,7 @@ cacl_get(SMBCCTX *context,
bufsize -= n;
n = 0;
}
-
+
if (! exclude_dos_create_time &&
attr_strings.create_time_attr != NULL) {
if (all || all_dos) {
@@ -1298,7 +1291,7 @@ cacl_get(SMBCCTX *context,
"%lu", (unsigned long) create_time);
}
}
-
+
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
@@ -1308,7 +1301,7 @@ cacl_get(SMBCCTX *context,
bufsize -= n;
n = 0;
}
-
+
if (! exclude_dos_access_time) {
if (all || all_dos) {
if (determine_size) {
@@ -1340,7 +1333,7 @@ cacl_get(SMBCCTX *context,
"%lu", (unsigned long) access_time);
}
}
-
+
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
@@ -1350,7 +1343,7 @@ cacl_get(SMBCCTX *context,
bufsize -= n;
n = 0;
}
-
+
if (! exclude_dos_write_time) {
if (all || all_dos) {
if (determine_size) {
@@ -1382,7 +1375,7 @@ cacl_get(SMBCCTX *context,
"%lu", (unsigned long) write_time);
}
}
-
+
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
@@ -1392,7 +1385,7 @@ cacl_get(SMBCCTX *context,
bufsize -= n;
n = 0;
}
-
+
if (! exclude_dos_change_time) {
if (all || all_dos) {
if (determine_size) {
@@ -1424,7 +1417,7 @@ cacl_get(SMBCCTX *context,
"%lu", (unsigned long) change_time);
}
}
-
+
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
@@ -1434,7 +1427,7 @@ cacl_get(SMBCCTX *context,
bufsize -= n;
n = 0;
}
-
+
if (! exclude_dos_inode) {
if (all || all_dos) {
if (determine_size) {
@@ -1469,7 +1462,7 @@ cacl_get(SMBCCTX *context,
(double) ino);
}
}
-
+
if (!determine_size && n > bufsize) {
errno = ERANGE;
return -1;
@@ -1479,16 +1472,16 @@ cacl_get(SMBCCTX *context,
bufsize -= n;
n = 0;
}
-
+
/* Restore name pointer to its original value */
name -= 16;
}
-
+
if (n_used == 0) {
errno = ENOATTR;
return -1;
}
-
+
return n_used;
}
@@ -1525,24 +1518,23 @@ cacl_set(SMBCCTX *context,
numeric = ((p = strchr(the_acl, ':')) != NULL &&
p > the_acl &&
p[-1] != '+');
-
+
/* if this is to set the entire ACL... */
if (*the_acl == '*') {
/* ... then increment past the first colon */
the_acl = p + 1;
}
-
+
sd = sec_desc_parse(ctx, ipc_cli, pol, numeric, the_acl);
-
if (!sd) {
errno = EINVAL;
return -1;
}
}
-
+
/* SMBC_XATTR_MODE_REMOVE_ALL is the only caller
that doesn't deref sd */
-
+
if (!sd && (mode != SMBC_XATTR_MODE_REMOVE_ALL)) {
errno = EINVAL;
return -1;
@@ -1601,7 +1593,7 @@ cacl_set(SMBCCTX *context,
break;
}
}
-
+
if (!found) {
err = ENOATTR;
ret = -1;
@@ -1609,11 +1601,11 @@ cacl_set(SMBCCTX *context,
}
}
break;
-
+
case SMBC_XATTR_MODE_ADD:
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,
&old->dacl->aces[j].trustee)) {
@@ -1627,43 +1619,43 @@ cacl_set(SMBCCTX *context,
found = True;
}
}
-
+
if (!found && (flags & SMBC_XATTR_FLAG_REPLACE)) {
err = ENOATTR;
ret = -1;
goto failed;
}
-
+
for (i=0;sd->dacl && i<sd->dacl->num_aces;i++) {
add_ace(&old->dacl, &sd->dacl->aces[i], ctx);
}
}
dacl = old->dacl;
break;
-
+
case SMBC_XATTR_MODE_SET:
old = sd;
owner_sid = old->owner_sid;
group_sid = old->group_sid;
dacl = old->dacl;
break;
-
+
case SMBC_XATTR_MODE_CHOWN:
owner_sid = sd->owner_sid;
break;
-
+
case SMBC_XATTR_MODE_CHGRP:
group_sid = sd->group_sid;
break;
}
-
+
/* Denied ACE entries must come before allowed ones */
sort_acl(old->dacl);
-
+
/* Create new security descriptor and set it */
sd = make_sec_desc(ctx, old->revision, SEC_DESC_SELF_RELATIVE,
owner_sid, group_sid, NULL, dacl, &sd_size);
-
+
if (!NT_STATUS_IS_OK(cli_ntcreate(targetcli, targetpath, 0,
WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS, 0,
FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN, 0x0, 0x0, &fnum))) {
@@ -1672,22 +1664,22 @@ cacl_set(SMBCCTX *context,
errno = 0;
return -1;
}
-
+
if (!cli_set_secdesc(targetcli, fnum, sd)) {
DEBUG(5, ("ERROR: secdesc set failed: %s\n",
cli_errstr(targetcli)));
ret = -1;
}
-
+
/* Clean up */
-
+
failed:
cli_close(targetcli, fnum);
-
+
if (err != 0) {
errno = err;
}
-
+
return ret;
}
@@ -1718,23 +1710,22 @@ SMBC_setxattr_ctx(SMBCCTX *context,
const char * change_time_attr;
} attr_strings;
TALLOC_CTX *frame = talloc_stackframe();
-
+
if (!context || !context->internal->initialized) {
-
errno = EINVAL; /* Best I can think of ... */
TALLOC_FREE(frame);
return -1;
}
-
+
if (!fname) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
-
+
DEBUG(4, ("smbc_setxattr(%s, %s, %.*s)\n",
fname, name, (int) size, (const char*)value));
-
+
if (SMBC_parse_path(frame,
context,
fname,
@@ -1749,7 +1740,7 @@ SMBC_setxattr_ctx(SMBCCTX *context,
TALLOC_FREE(frame);
return -1;
}
-
+
if (!user || user[0] == (char)0) {
user = talloc_strdup(frame, smbc_getUser(context));
if (!user) {
@@ -1758,14 +1749,14 @@ SMBC_setxattr_ctx(SMBCCTX *context,
return -1;
}
}
-
+
srv = SMBC_server(frame, context, True,
server, share, &workgroup, &user, &password);
if (!srv) {
TALLOC_FREE(frame);
return -1; /* errno set by SMBC_server */
}
-
+
if (! srv->no_nt_session) {
ipc_srv = SMBC_attr_server(frame, context, server, share,
&workgroup, &user, &password);
@@ -1775,7 +1766,7 @@ SMBC_setxattr_ctx(SMBCCTX *context,
} else {
ipc_srv = NULL;
}
-
+
/*
* Are they asking to set the entire set of known attributes?
*/
@@ -1791,7 +1782,7 @@ SMBC_setxattr_ctx(SMBCCTX *context,
TALLOC_FREE(frame);
return -1;
}
-
+
if (ipc_srv) {
ret = cacl_set(context, talloc_tos(), srv->cli,
ipc_srv->cli, &ipc_srv->pol, path,
@@ -1803,13 +1794,13 @@ SMBC_setxattr_ctx(SMBCCTX *context,
} else {
ret = 0;
}
-
+
/* get a DOS Attribute Descriptor with current attributes */
dad = dos_attr_query(context, talloc_tos(), path, srv);
if (dad) {
/* Overwrite old with new, using what was provided */
dos_attr_parse(context, dad, srv, namevalue);
-
+
/* Set the new DOS attributes */
if (! SMBC_setatr(context, srv, path,
dad->create_time,
@@ -1817,12 +1808,12 @@ SMBC_setxattr_ctx(SMBCCTX *context,
dad->write_time,
dad->change_time,
dad->mode)) {
-
+
/* cause failure if NT failed too */
dad = NULL;
}
}
-
+
/* we only fail if both NT and DOS sets failed */
if (ret < 0 && ! dad) {
ret = -1; /* in case dad was null */
@@ -1830,11 +1821,11 @@ SMBC_setxattr_ctx(SMBCCTX *context,
else {
ret = 0;
}
-
+
TALLOC_FREE(frame);
return ret;
}
-
+
/*
* Are they asking to set an access control element or to set
* the entire access control list?
@@ -1844,12 +1835,12 @@ SMBC_setxattr_ctx(SMBCCTX *context,
StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
-
+
/* Yup. */
char *namevalue =
talloc_asprintf(talloc_tos(), "%s:%s",
name+19, (const char *) value);
-
+
if (! ipc_srv) {
ret = -1; /* errno set by SMBC_server() */
}
@@ -1868,18 +1859,18 @@ SMBC_setxattr_ctx(SMBCCTX *context,
TALLOC_FREE(frame);
return ret;
}
-
+
/*
* Are they asking to set the owner?
*/
if (StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0) {
-
+
/* Yup. */
char *namevalue =
talloc_asprintf(talloc_tos(), "%s:%s",
name+19, (const char *) value);
-
+
if (! ipc_srv) {
ret = -1; /* errno set by SMBC_server() */
}
@@ -1894,18 +1885,18 @@ SMBC_setxattr_ctx(SMBCCTX *context,
TALLOC_FREE(frame);
return ret;
}
-
+
/*
* Are they asking to set the group?
*/
if (StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.group+") == 0) {
-
+
/* Yup. */
char *namevalue =
talloc_asprintf(talloc_tos(), "%s:%s",
name+19, (const char *) value);
-
+
if (! ipc_srv) {
/* errno set by SMBC_server() */
ret = -1;
@@ -1921,7 +1912,7 @@ SMBC_setxattr_ctx(SMBCCTX *context,
TALLOC_FREE(frame);
return ret;
}
-
+
/* Determine whether to use old-style or new-style attribute names */
if (context->internal->full_time_names) {
/* new-style names */
@@ -1936,7 +1927,7 @@ SMBC_setxattr_ctx(SMBCCTX *context,
attr_strings.write_time_attr = "system.dos_attr.M_TIME";
attr_strings.change_time_attr = "system.dos_attr.C_TIME";
}
-
+
/*
* Are they asking to set a DOS attribute?
*/
@@ -1947,7 +1938,7 @@ SMBC_setxattr_ctx(SMBCCTX *context,
StrCaseCmp(name, attr_strings.access_time_attr) == 0 ||
StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
StrCaseCmp(name, attr_strings.change_time_attr) == 0) {
-
+
/* get a DOS Attribute Descriptor with current attributes */
dad = dos_attr_query(context, talloc_tos(), path, srv);
if (dad) {
@@ -1960,7 +1951,7 @@ SMBC_setxattr_ctx(SMBCCTX *context,
} else {
/* Overwrite old with provided new params */
dos_attr_parse(context, dad, srv, namevalue);
-
+
/* Set the new DOS attributes */
ret2 = SMBC_setatr(context, srv, path,
dad->create_time,
@@ -1968,7 +1959,7 @@ SMBC_setxattr_ctx(SMBCCTX *context,
dad->write_time,
dad->change_time,
dad->mode);
-
+
/* ret2 has True (success) / False (failure) */
if (ret2) {
ret = 0;
@@ -1979,11 +1970,11 @@ SMBC_setxattr_ctx(SMBCCTX *context,
} else {
ret = -1;
}
-
+
TALLOC_FREE(frame);
return ret;
}
-
+
/* Unsupported attribute name */
errno = EINVAL;
TALLOC_FREE(frame);
@@ -2013,22 +2004,21 @@ SMBC_getxattr_ctx(SMBCCTX *context,
const char * change_time_attr;
} attr_strings;
TALLOC_CTX *frame = talloc_stackframe();
-
+
if (!context || !context->internal->initialized) {
-
errno = EINVAL; /* Best I can think of ... */
TALLOC_FREE(frame);
return -1;
}
-
+
if (!fname) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
-
+
DEBUG(4, ("smbc_getxattr(%s, %s)\n", fname, name));
-
+
if (SMBC_parse_path(frame,
context,
fname,
@@ -2043,7 +2033,7 @@ SMBC_getxattr_ctx(SMBCCTX *context,
TALLOC_FREE(frame);
return -1;
}
-
+
if (!user || user[0] == (char)0) {
user = talloc_strdup(frame, smbc_getUser(context));
if (!user) {
@@ -2052,14 +2042,14 @@ SMBC_getxattr_ctx(SMBCCTX *context,
return -1;
}
}
-
+
srv = SMBC_server(frame, context, True,
server, share, &workgroup, &user, &password);
if (!srv) {
TALLOC_FREE(frame);
return -1; /* errno set by SMBC_server */
}
-
+
if (! srv->no_nt_session) {
ipc_srv = SMBC_attr_server(frame, context, server, share,
&workgroup, &user, &password);
@@ -2069,7 +2059,7 @@ SMBC_getxattr_ctx(SMBCCTX *context,
} else {
ipc_srv = NULL;
}
-
+
/* Determine whether to use old-style or new-style attribute names */
if (context->internal->full_time_names) {
/* new-style names */
@@ -2084,7 +2074,7 @@ SMBC_getxattr_ctx(SMBCCTX *context,
attr_strings.write_time_attr = "system.dos_attr.M_TIME";
attr_strings.change_time_attr = "system.dos_attr.C_TIME";
}
-
+
/* Are they requesting a supported attribute? */
if (StrCaseCmp(name, "system.*") == 0 ||
StrnCaseCmp(name, "system.*!", 9) == 0 ||
@@ -2111,7 +2101,7 @@ SMBC_getxattr_ctx(SMBCCTX *context,
StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
StrCaseCmp(name, attr_strings.change_time_attr) == 0 ||
StrCaseCmp(name, "system.dos_attr.inode") == 0) {
-
+
/* Yup. */
char *filename = (char *) name;
ret = cacl_get(context, talloc_tos(), srv,
@@ -2126,7 +2116,7 @@ SMBC_getxattr_ctx(SMBCCTX *context,
TALLOC_FREE(frame);
return ret;
}
-
+
/* Unsupported attribute name */
errno = EINVAL;
TALLOC_FREE(frame);
@@ -2149,22 +2139,21 @@ SMBC_removexattr_ctx(SMBCCTX *context,
char *workgroup = NULL;
char *path = NULL;
TALLOC_CTX *frame = talloc_stackframe();
-
+
if (!context || !context->internal->initialized) {
-
errno = EINVAL; /* Best I can think of ... */
TALLOC_FREE(frame);
return -1;
}
-
+
if (!fname) {
errno = EINVAL;
TALLOC_FREE(frame);
return -1;
}
-
+
DEBUG(4, ("smbc_removexattr(%s, %s)\n", fname, name));
-
+
if (SMBC_parse_path(frame,
context,
fname,
@@ -2179,7 +2168,7 @@ SMBC_removexattr_ctx(SMBCCTX *context,
TALLOC_FREE(frame);
return -1;
}
-
+
if (!user || user[0] == (char)0) {
user = talloc_strdup(frame, smbc_getUser(context));
if (!user) {
@@ -2188,14 +2177,14 @@ SMBC_removexattr_ctx(SMBCCTX *context,
return -1;
}
}
-
+
srv = SMBC_server(frame, context, True,
server, share, &workgroup, &user, &password);
if (!srv) {
TALLOC_FREE(frame);
return -1; /* errno set by SMBC_server */
}
-
+
if (! srv->no_nt_session) {
ipc_srv = SMBC_attr_server(frame, context, server, share,
&workgroup, &user, &password);
@@ -2205,16 +2194,16 @@ SMBC_removexattr_ctx(SMBCCTX *context,
} else {
ipc_srv = NULL;
}
-
+
if (! ipc_srv) {
TALLOC_FREE(frame);
return -1; /* errno set by SMBC_attr_server */
}
-
+
/* Are they asking to set the entire ACL? */
if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
StrCaseCmp(name, "system.nt_sec_desc.*+") == 0) {
-
+
/* Yup. */
ret = cacl_set(context, talloc_tos(), srv->cli,
ipc_srv->cli, &ipc_srv->pol, path,
@@ -2222,7 +2211,7 @@ SMBC_removexattr_ctx(SMBCCTX *context,
TALLOC_FREE(frame);
return ret;
}
-
+
/*
* Are they asking to remove one or more spceific security descriptor
* attributes?
@@ -2234,7 +2223,7 @@ SMBC_removexattr_ctx(SMBCCTX *context,
StrCaseCmp(name, "system.nt_sec_desc.group+") == 0 ||
StrnCaseCmp(name, "system.nt_sec_desc.acl", 22) == 0 ||
StrnCaseCmp(name, "system.nt_sec_desc.acl+", 23) == 0) {
-
+
/* Yup. */
ret = cacl_set(context, talloc_tos(), srv->cli,
ipc_srv->cli, &ipc_srv->pol, path,
@@ -2243,7 +2232,7 @@ SMBC_removexattr_ctx(SMBCCTX *context,
TALLOC_FREE(frame);
return ret;
}
-
+
/* Unsupported attribute name */
errno = EINVAL;
TALLOC_FREE(frame);
@@ -2302,7 +2291,7 @@ SMBC_listxattr_ctx(SMBCCTX *context,
"system.dos_attr.change_time\0"
;
const char * supported;
-
+
if (context->internal->full_time_names) {
supported = supported_new;
retsize = sizeof(supported_new);
@@ -2310,16 +2299,16 @@ SMBC_listxattr_ctx(SMBCCTX *context,
supported = supported_old;
retsize = sizeof(supported_old);
}
-
+
if (size == 0) {
return retsize;
}
-
+
if (retsize > size) {
errno = ERANGE;
return -1;
}
-
+
/* this can't be strcpy() because there are embedded null characters */
memcpy(list, supported, retsize);
return retsize;