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-rw-r--r--source3/libsmb/libsmb_xattr.c2301
1 files changed, 2301 insertions, 0 deletions
diff --git a/source3/libsmb/libsmb_xattr.c b/source3/libsmb/libsmb_xattr.c
new file mode 100644
index 0000000000..e17146e611
--- /dev/null
+++ b/source3/libsmb/libsmb_xattr.c
@@ -0,0 +1,2301 @@
+/*
+ Unix SMB/Netbios implementation.
+ SMB client library implementation
+ Copyright (C) Andrew Tridgell 1998
+ Copyright (C) Richard Sharpe 2000, 2002
+ Copyright (C) John Terpstra 2000
+ 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/>.
+*/
+
+#include "includes.h"
+#include "libsmbclient.h"
+#include "libsmb_internal.h"
+
+
+/*
+ * Find an lsa pipe handle associated with a cli struct.
+ */
+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 (pipe_hnd->pipe_idx == PI_LSARPC) {
+ return pipe_hnd;
+ }
+ }
+
+ return NULL;
+}
+
+/*
+ * Sort ACEs according to the documentation at
+ * http://support.microsoft.com/kb/269175, at least as far as it defines the
+ * order.
+ */
+
+static int
+ace_compare(SEC_ACE *ace1,
+ SEC_ACE *ace2)
+{
+ 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.
+ */
+ b1 = (ace1->type != SEC_ACE_TYPE_ACCESS_ALLOWED &&
+ ace1->type != SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT &&
+ ace1->type != SEC_ACE_TYPE_ACCESS_DENIED &&
+ ace1->type != SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
+ b2 = (ace2->type != SEC_ACE_TYPE_ACCESS_ALLOWED &&
+ ace2->type != SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT &&
+ ace2->type != SEC_ACE_TYPE_ACCESS_DENIED &&
+ ace2->type != SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
+ 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);
+ b2 = (ace2->type == SEC_ACE_TYPE_ACCESS_ALLOWED ||
+ ace2->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT);
+ if (b1 != b2) {
+ return (b1 ? 1 : -1);
+ }
+
+ /*
+ * ACEs applying to an entity's object follow those applying to the
+ * entity itself
+ */
+ b1 = (ace1->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT ||
+ ace1->type == SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
+ b2 = (ace2->type == SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT ||
+ ace2->type == SEC_ACE_TYPE_ACCESS_DENIED_OBJECT);
+ 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));
+}
+
+
+static void
+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;
+ for (j=i; j<the_acl->num_aces-1; j++) {
+ the_acl->aces[j] = the_acl->aces[j+1];
+ }
+ the_acl->num_aces--;
+ } else {
+ i++;
+ }
+ }
+}
+
+/* convert a SID to a string, either numeric or username/group */
+static void
+convert_sid_to_string(struct cli_state *ipc_cli,
+ POLICY_HND *pol,
+ fstring str,
+ bool numeric,
+ DOM_SID *sid)
+{
+ char **domains = NULL;
+ char **names = NULL;
+ 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)) ||
+ !domains || !domains[0] || !names || !names[0]) {
+ TALLOC_FREE(ctx);
+ return;
+ }
+
+ TALLOC_FREE(ctx);
+ /* Converted OK */
+
+ slprintf(str, sizeof(fstring) - 1, "%s%s%s",
+ domains[0], lp_winbind_separator(),
+ names[0]);
+}
+
+/* convert a string to a SID, either numeric or username/group */
+static bool
+convert_string_to_sid(struct cli_state *ipc_cli,
+ POLICY_HND *pol,
+ bool numeric,
+ DOM_SID *sid,
+ const char *str)
+{
+ enum lsa_SidType *types = NULL;
+ DOM_SID *sids = NULL;
+ 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,
+ NULL, 1, &sids,
+ &types))) {
+ result = False;
+ goto done;
+ }
+
+ sid_copy(sid, &sids[0]);
+done:
+
+ TALLOC_FREE(ctx);
+ return result;
+}
+
+
+/* parse an ACE in the same format as print_ace() */
+static bool
+parse_ace(struct cli_state *ipc_cli,
+ POLICY_HND *pol,
+ SEC_ACE *ace,
+ bool numeric,
+ char *str)
+{
+ char *p;
+ const char *cp;
+ char *tok;
+ unsigned int atype;
+ unsigned int aflags;
+ unsigned int amask;
+ DOM_SID sid;
+ SEC_ACCESS mask;
+ const struct perm_value *v;
+ struct perm_value {
+ const char *perm;
+ uint32 mask;
+ };
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ /* These values discovered by inspection */
+ static const struct perm_value special_values[] = {
+ { "R", 0x00120089 },
+ { "W", 0x00120116 },
+ { "X", 0x001200a0 },
+ { "D", 0x00010000 },
+ { "P", 0x00040000 },
+ { "O", 0x00080000 },
+ { NULL, 0 },
+ };
+
+ static const struct perm_value standard_values[] = {
+ { "READ", 0x001200a9 },
+ { "CHANGE", 0x001301bf },
+ { "FULL", 0x001f01ff },
+ { NULL, 0 },
+ };
+
+
+ ZERO_STRUCTP(ace);
+ p = strchr_m(str,':');
+ if (!p) {
+ TALLOC_FREE(frame);
+ return False;
+ }
+ *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) {
+ atype = SEC_ACE_TYPE_ACCESS_DENIED;
+ } else {
+ 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);
+ return false;
+ }
+ 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);
+ TALLOC_FREE(frame);
+ return true;
+}
+
+/* add an ACE to a list of ACEs in a SEC_ACL */
+static bool
+add_ace(SEC_ACL **the_acl,
+ SEC_ACE *ace,
+ TALLOC_CTX *ctx)
+{
+ 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;
+ }
+ memcpy(aces, (*the_acl)->aces, (*the_acl)->num_aces * sizeof(SEC_ACE));
+ memcpy(aces+(*the_acl)->num_aces, ace, sizeof(SEC_ACE));
+ newacl = make_sec_acl(ctx, (*the_acl)->revision,
+ 1+(*the_acl)->num_aces, aces);
+ SAFE_FREE(aces);
+ (*the_acl) = newacl;
+ return True;
+}
+
+
+/* parse a ascii version of a security descriptor */
+static SEC_DESC *
+sec_desc_parse(TALLOC_CTX *ctx,
+ struct cli_state *ipc_cli,
+ POLICY_HND *pol,
+ bool numeric,
+ char *str)
+{
+ const char *p = str;
+ char *tok;
+ SEC_DESC *ret = NULL;
+ size_t sd_size;
+ DOM_SID *group_sid=NULL;
+ 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"));
+ goto done;
+ }
+ owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
+ if (!owner_sid ||
+ !convert_string_to_sid(ipc_cli, pol,
+ numeric,
+ owner_sid, tok+6)) {
+ DEBUG(5, ("Failed to parse owner sid\n"));
+ goto done;
+ }
+ continue;
+ }
+
+ if (StrnCaseCmp(tok,"OWNER+:", 7) == 0) {
+ if (owner_sid) {
+ DEBUG(5,("OWNER specified more than once!\n"));
+ goto done;
+ }
+ owner_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
+ if (!owner_sid ||
+ !convert_string_to_sid(ipc_cli, pol,
+ False,
+ owner_sid, tok+7)) {
+ DEBUG(5, ("Failed to parse owner sid\n"));
+ goto done;
+ }
+ continue;
+ }
+
+ if (StrnCaseCmp(tok,"GROUP:", 6) == 0) {
+ if (group_sid) {
+ DEBUG(5,("GROUP specified more than once!\n"));
+ goto done;
+ }
+ group_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
+ if (!group_sid ||
+ !convert_string_to_sid(ipc_cli, pol,
+ numeric,
+ group_sid, tok+6)) {
+ DEBUG(5, ("Failed to parse group sid\n"));
+ goto done;
+ }
+ continue;
+ }
+
+ if (StrnCaseCmp(tok,"GROUP+:", 7) == 0) {
+ if (group_sid) {
+ DEBUG(5,("GROUP specified more than once!\n"));
+ goto done;
+ }
+ group_sid = SMB_CALLOC_ARRAY(DOM_SID, 1);
+ if (!group_sid ||
+ !convert_string_to_sid(ipc_cli, pol,
+ False,
+ group_sid, tok+6)) {
+ DEBUG(5, ("Failed to parse group sid\n"));
+ goto done;
+ }
+ continue;
+ }
+
+ if (StrnCaseCmp(tok,"ACL:", 4) == 0) {
+ SEC_ACE ace;
+ if (!parse_ace(ipc_cli, pol, &ace, numeric, tok+4)) {
+ DEBUG(5, ("Failed to parse ACL %s\n", tok));
+ goto done;
+ }
+ if(!add_ace(&dacl, &ace, ctx)) {
+ DEBUG(5, ("Failed to add ACL %s\n", tok));
+ goto done;
+ }
+ continue;
+ }
+
+ if (StrnCaseCmp(tok,"ACL+:", 5) == 0) {
+ SEC_ACE ace;
+ if (!parse_ace(ipc_cli, pol, &ace, False, tok+5)) {
+ DEBUG(5, ("Failed to parse ACL %s\n", tok));
+ goto done;
+ }
+ if(!add_ace(&dacl, &ace, ctx)) {
+ DEBUG(5, ("Failed to add ACL %s\n", tok));
+ goto done;
+ }
+ 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;
+}
+
+
+/* Obtain the current dos attributes */
+static DOS_ATTR_DESC *
+dos_attr_query(SMBCCTX *context,
+ TALLOC_CTX *ctx,
+ const char *filename,
+ SMBCSRV *srv)
+{
+ struct timespec create_time_ts;
+ struct timespec write_time_ts;
+ struct timespec access_time_ts;
+ struct timespec change_time_ts;
+ SMB_OFF_T size = 0;
+ 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,
+ &create_time_ts,
+ &access_time_ts,
+ &write_time_ts,
+ &change_time_ts,
+ &inode)) {
+ errno = SMBC_errno(context, srv->cli);
+ 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);
+ ret->access_time = convert_timespec_to_time_t(access_time_ts);
+ 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;
+}
+
+
+/* parse a ascii version of a security descriptor */
+static void
+dos_attr_parse(SMBCCTX *context,
+ DOS_ATTR_DESC *dad,
+ SMBCSRV *srv,
+ char *str)
+{
+ int n;
+ const char *p = str;
+ char *tok = NULL;
+ TALLOC_CTX *frame = NULL;
+ struct {
+ const char * create_time_attr;
+ const char * access_time_attr;
+ 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 */
+ attr_strings.create_time_attr = "CREATE_TIME";
+ attr_strings.access_time_attr = "ACCESS_TIME";
+ attr_strings.write_time_attr = "WRITE_TIME";
+ attr_strings.change_time_attr = "CHANGE_TIME";
+ } else {
+ /* old-style names */
+ attr_strings.create_time_attr = NULL;
+ attr_strings.access_time_attr = "A_TIME";
+ 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 */
+ if ((p = strchr(str, ':')) != NULL) {
+ ++p;
+ } else {
+ p = str;
+ }
+ }
+
+ frame = talloc_stackframe();
+ while (next_token_talloc(frame, &p, &tok, "\t,\r\n")) {
+ if (StrnCaseCmp(tok, "MODE:", 5) == 0) {
+ long request = strtol(tok+5, NULL, 16);
+ if (request == 0) {
+ dad->mode = (request |
+ (IS_DOS_DIR(dad->mode)
+ ? FILE_ATTRIBUTE_DIRECTORY
+ : FILE_ATTRIBUTE_NORMAL));
+ } else {
+ dad->mode = request;
+ }
+ 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,
+ n) == 0) {
+ dad->create_time = (time_t)strtol(tok+n+1,
+ NULL, 10);
+ continue;
+ }
+ }
+
+ if (StrnCaseCmp(tok, "INODE:", 6) == 0) {
+ dad->inode = (SMB_INO_T)atof(tok+6);
+ continue;
+ }
+ }
+ TALLOC_FREE(frame);
+}
+
+/*****************************************************
+ Retrieve the acls for a file.
+*******************************************************/
+
+static int
+cacl_get(SMBCCTX *context,
+ TALLOC_CTX *ctx,
+ SMBCSRV *srv,
+ struct cli_state *ipc_cli,
+ POLICY_HND *pol,
+ char *filename,
+ char *attr_name,
+ char *buf,
+ int bufsize)
+{
+ uint32 i;
+ int n = 0;
+ int n_used;
+ bool all;
+ bool all_nt;
+ bool all_nt_acls;
+ bool all_dos;
+ bool some_nt;
+ bool some_dos;
+ bool exclude_nt_revision = False;
+ bool exclude_nt_owner = False;
+ bool exclude_nt_group = False;
+ bool exclude_nt_acl = False;
+ bool exclude_dos_mode = False;
+ bool exclude_dos_size = False;
+ bool exclude_dos_create_time = False;
+ bool exclude_dos_access_time = False;
+ bool exclude_dos_write_time = False;
+ bool exclude_dos_change_time = False;
+ bool exclude_dos_inode = False;
+ bool numeric = True;
+ bool determine_size = (bufsize == 0);
+ int fnum = -1;
+ SEC_DESC *sd;
+ fstring sidstr;
+ fstring name_sandbox;
+ char *name;
+ char *pExclude;
+ char *p;
+ struct timespec create_time_ts;
+ struct timespec write_time_ts;
+ struct timespec access_time_ts;
+ struct timespec change_time_ts;
+ time_t create_time = (time_t)0;
+ time_t write_time = (time_t)0;
+ time_t access_time = (time_t)0;
+ time_t change_time = (time_t)0;
+ SMB_OFF_T size = 0;
+ uint16 mode = 0;
+ SMB_INO_T ino = 0;
+ struct cli_state *cli = srv->cli;
+ struct {
+ const char * create_time_attr;
+ const char * access_time_attr;
+ const char * write_time_attr;
+ const char * change_time_attr;
+ } attr_strings;
+ struct {
+ const char * create_time_attr;
+ const char * access_time_attr;
+ 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 */
+ attr_strings.create_time_attr = "CREATE_TIME";
+ 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";
+ excl_attr_strings.change_time_attr = "CHANGE_TIME";
+ } else {
+ /* old-style names */
+ attr_strings.create_time_attr = NULL;
+ 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);
+ all_dos = (StrnCaseCmp(name, "system.dos_attr.*", 17) == 0);
+ 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) {
+ exclude_nt_revision = True;
+ }
+ else if (StrCaseCmp(pExclude,
+ "nt_sec_desc.owner") == 0) {
+ exclude_nt_owner = True;
+ }
+ else if (StrCaseCmp(pExclude,
+ "nt_sec_desc.group") == 0) {
+ exclude_nt_group = True;
+ }
+ else if (StrCaseCmp(pExclude,
+ "nt_sec_desc.acl") == 0) {
+ exclude_nt_acl = True;
+ }
+ else if (StrCaseCmp(pExclude,
+ "dos_attr.mode") == 0) {
+ exclude_dos_mode = True;
+ }
+ else if (StrCaseCmp(pExclude,
+ "dos_attr.size") == 0) {
+ exclude_dos_size = True;
+ }
+ else if (excl_attr_strings.create_time_attr != NULL &&
+ StrCaseCmp(pExclude,
+ excl_attr_strings.change_time_attr) == 0) {
+ exclude_dos_create_time = True;
+ }
+ else if (StrCaseCmp(pExclude,
+ excl_attr_strings.access_time_attr) == 0) {
+ exclude_dos_access_time = True;
+ }
+ else if (StrCaseCmp(pExclude,
+ excl_attr_strings.write_time_attr) == 0) {
+ exclude_dos_write_time = True;
+ }
+ else if (StrCaseCmp(pExclude,
+ excl_attr_strings.change_time_attr) == 0) {
+ exclude_dos_change_time = True;
+ }
+ else if (StrCaseCmp(pExclude, "dos_attr.inode") == 0) {
+ exclude_dos_inode = True;
+ }
+ else {
+ DEBUG(5, ("cacl_get received unknown exclusion: %s\n",
+ pExclude));
+ errno = ENOATTR;
+ return -1;
+ }
+ }
+ }
+
+ n_used = 0;
+
+ /*
+ * If we are (possibly) talking to an NT or new system and some NT
+ * attributes have been requested...
+ */
+ if (ipc_cli && (all || some_nt || all_nt_acls)) {
+ /* Point to the portion after "system.nt_sec_desc." */
+ name += 19; /* if (all) this will be invalid but unused */
+
+ /* ... then obtain any NT attributes which were requested */
+ fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
+
+ if (fnum == -1) {
+ DEBUG(5, ("cacl_get failed to open %s: %s\n",
+ filename, cli_errstr(cli)));
+ errno = 0;
+ return -1;
+ }
+
+ sd = cli_query_secdesc(cli, fnum, ctx);
+
+ if (!sd) {
+ DEBUG(5,
+ ("cacl_get Failed to query old descriptor\n"));
+ errno = 0;
+ return -1;
+ }
+
+ cli_close(cli, fnum);
+
+ if (! exclude_nt_revision) {
+ if (all || all_nt) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx,
+ "REVISION:%d",
+ sd->revision);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ "REVISION:%d",
+ sd->revision);
+ }
+ } else if (StrCaseCmp(name, "revision") == 0) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx, "%d",
+ sd->revision);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize, "%d",
+ sd->revision);
+ }
+ }
+
+ if (!determine_size && n > bufsize) {
+ errno = ERANGE;
+ return -1;
+ }
+ buf += n;
+ n_used += n;
+ bufsize -= n;
+ n = 0;
+ }
+
+ if (! exclude_nt_owner) {
+ /* Get owner and group sid */
+ if (sd->owner_sid) {
+ convert_sid_to_string(ipc_cli, pol,
+ sidstr,
+ numeric,
+ sd->owner_sid);
+ } else {
+ fstrcpy(sidstr, "");
+ }
+
+ if (all || all_nt) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx, ",OWNER:%s",
+ sidstr);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else if (sidstr[0] != '\0') {
+ n = snprintf(buf, bufsize,
+ ",OWNER:%s", sidstr);
+ }
+ } else if (StrnCaseCmp(name, "owner", 5) == 0) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx, "%s", sidstr);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize, "%s",
+ sidstr);
+ }
+ }
+
+ if (!determine_size && n > bufsize) {
+ errno = ERANGE;
+ return -1;
+ }
+ buf += n;
+ n_used += n;
+ bufsize -= n;
+ n = 0;
+ }
+
+ if (! exclude_nt_group) {
+ if (sd->group_sid) {
+ convert_sid_to_string(ipc_cli, pol,
+ sidstr, numeric,
+ sd->group_sid);
+ } else {
+ fstrcpy(sidstr, "");
+ }
+
+ if (all || all_nt) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx, ",GROUP:%s",
+ sidstr);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else if (sidstr[0] != '\0') {
+ n = snprintf(buf, bufsize,
+ ",GROUP:%s", sidstr);
+ }
+ } else if (StrnCaseCmp(name, "group", 5) == 0) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx, "%s", sidstr);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ "%s", sidstr);
+ }
+ }
+
+ if (!determine_size && n > bufsize) {
+ errno = ERANGE;
+ return -1;
+ }
+ buf += n;
+ n_used += n;
+ 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(
+ ctx,
+ ",ACL:"
+ "%s:%d/%d/0x%08x",
+ sidstr,
+ ace->type,
+ ace->flags,
+ ace->access_mask);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(
+ buf, bufsize,
+ ",ACL:%s:%d/%d/0x%08x",
+ sidstr,
+ ace->type,
+ ace->flags,
+ ace->access_mask);
+ }
+ } else if ((StrnCaseCmp(name, "acl", 3) == 0 &&
+ StrCaseCmp(name+3, sidstr) == 0) ||
+ (StrnCaseCmp(name, "acl+", 4) == 0 &&
+ StrCaseCmp(name+4, sidstr) == 0)) {
+ if (determine_size) {
+ p = talloc_asprintf(
+ ctx,
+ "%d/%d/0x%08x",
+ ace->type,
+ ace->flags,
+ ace->access_mask);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ "%d/%d/0x%08x",
+ ace->type,
+ ace->flags,
+ ace->access_mask);
+ }
+ } else if (all_nt_acls) {
+ if (determine_size) {
+ p = talloc_asprintf(
+ ctx,
+ "%s%s:%d/%d/0x%08x",
+ i ? "," : "",
+ sidstr,
+ ace->type,
+ ace->flags,
+ ace->access_mask);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ "%s%s:%d/%d/0x%08x",
+ i ? "," : "",
+ sidstr,
+ ace->type,
+ ace->flags,
+ ace->access_mask);
+ }
+ }
+ if (!determine_size && n > bufsize) {
+ errno = ERANGE;
+ return -1;
+ }
+ buf += n;
+ n_used += n;
+ bufsize -= n;
+ 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,
+ &access_time_ts,
+ &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) {
+ p = talloc_asprintf(ctx,
+ "%sMODE:0x%x",
+ (ipc_cli &&
+ (all || some_nt)
+ ? ","
+ : ""),
+ mode);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ "%sMODE:0x%x",
+ (ipc_cli &&
+ (all || some_nt)
+ ? ","
+ : ""),
+ mode);
+ }
+ } else if (StrCaseCmp(name, "mode") == 0) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx, "0x%x", mode);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ "0x%x", mode);
+ }
+ }
+
+ if (!determine_size && n > bufsize) {
+ errno = ERANGE;
+ return -1;
+ }
+ buf += n;
+ n_used += n;
+ bufsize -= n;
+ n = 0;
+ }
+
+ if (! exclude_dos_size) {
+ if (all || all_dos) {
+ if (determine_size) {
+ p = talloc_asprintf(
+ ctx,
+ ",SIZE:%.0f",
+ (double)size);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ ",SIZE:%.0f",
+ (double)size);
+ }
+ } else if (StrCaseCmp(name, "size") == 0) {
+ if (determine_size) {
+ p = talloc_asprintf(
+ ctx,
+ "%.0f",
+ (double)size);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ "%.0f",
+ (double)size);
+ }
+ }
+
+ if (!determine_size && n > bufsize) {
+ errno = ERANGE;
+ return -1;
+ }
+ buf += n;
+ n_used += n;
+ bufsize -= n;
+ n = 0;
+ }
+
+ if (! exclude_dos_create_time &&
+ attr_strings.create_time_attr != NULL) {
+ if (all || all_dos) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx,
+ ",%s:%lu",
+ attr_strings.create_time_attr,
+ create_time);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ ",%s:%lu",
+ attr_strings.create_time_attr,
+ create_time);
+ }
+ } else if (StrCaseCmp(name, attr_strings.create_time_attr) == 0) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx, "%lu", create_time);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ "%lu", create_time);
+ }
+ }
+
+ if (!determine_size && n > bufsize) {
+ errno = ERANGE;
+ return -1;
+ }
+ buf += n;
+ n_used += n;
+ bufsize -= n;
+ n = 0;
+ }
+
+ if (! exclude_dos_access_time) {
+ if (all || all_dos) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx,
+ ",%s:%lu",
+ attr_strings.access_time_attr,
+ access_time);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ ",%s:%lu",
+ attr_strings.access_time_attr,
+ access_time);
+ }
+ } else if (StrCaseCmp(name, attr_strings.access_time_attr) == 0) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx, "%lu", access_time);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ "%lu", access_time);
+ }
+ }
+
+ if (!determine_size && n > bufsize) {
+ errno = ERANGE;
+ return -1;
+ }
+ buf += n;
+ n_used += n;
+ bufsize -= n;
+ n = 0;
+ }
+
+ if (! exclude_dos_write_time) {
+ if (all || all_dos) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx,
+ ",%s:%lu",
+ attr_strings.write_time_attr,
+ write_time);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ ",%s:%lu",
+ attr_strings.write_time_attr,
+ write_time);
+ }
+ } else if (StrCaseCmp(name, attr_strings.write_time_attr) == 0) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx, "%lu", write_time);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ "%lu", write_time);
+ }
+ }
+
+ if (!determine_size && n > bufsize) {
+ errno = ERANGE;
+ return -1;
+ }
+ buf += n;
+ n_used += n;
+ bufsize -= n;
+ n = 0;
+ }
+
+ if (! exclude_dos_change_time) {
+ if (all || all_dos) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx,
+ ",%s:%lu",
+ attr_strings.change_time_attr,
+ change_time);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ ",%s:%lu",
+ attr_strings.change_time_attr,
+ change_time);
+ }
+ } else if (StrCaseCmp(name, attr_strings.change_time_attr) == 0) {
+ if (determine_size) {
+ p = talloc_asprintf(ctx, "%lu", change_time);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ "%lu", change_time);
+ }
+ }
+
+ if (!determine_size && n > bufsize) {
+ errno = ERANGE;
+ return -1;
+ }
+ buf += n;
+ n_used += n;
+ bufsize -= n;
+ n = 0;
+ }
+
+ if (! exclude_dos_inode) {
+ if (all || all_dos) {
+ if (determine_size) {
+ p = talloc_asprintf(
+ ctx,
+ ",INODE:%.0f",
+ (double)ino);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ ",INODE:%.0f",
+ (double) ino);
+ }
+ } else if (StrCaseCmp(name, "inode") == 0) {
+ if (determine_size) {
+ p = talloc_asprintf(
+ ctx,
+ "%.0f",
+ (double) ino);
+ if (!p) {
+ errno = ENOMEM;
+ return -1;
+ }
+ n = strlen(p);
+ } else {
+ n = snprintf(buf, bufsize,
+ "%.0f",
+ (double) ino);
+ }
+ }
+
+ if (!determine_size && n > bufsize) {
+ errno = ERANGE;
+ return -1;
+ }
+ buf += n;
+ n_used += n;
+ bufsize -= n;
+ n = 0;
+ }
+
+ /* Restore name pointer to its original value */
+ name -= 16;
+ }
+
+ if (n_used == 0) {
+ errno = ENOATTR;
+ return -1;
+ }
+
+ return n_used;
+}
+
+/*****************************************************
+set the ACLs on a file given an ascii description
+*******************************************************/
+static int
+cacl_set(TALLOC_CTX *ctx,
+ struct cli_state *cli,
+ struct cli_state *ipc_cli,
+ POLICY_HND *pol,
+ const char *filename,
+ const char *the_acl,
+ int mode,
+ int flags)
+{
+ int fnum;
+ int err = 0;
+ SEC_DESC *sd = NULL, *old;
+ SEC_ACL *dacl = NULL;
+ DOM_SID *owner_sid = NULL;
+ DOM_SID *group_sid = NULL;
+ uint32 i, j;
+ size_t sd_size;
+ int ret = 0;
+ char *p;
+ bool numeric = True;
+
+ /* the_acl will be null for REMOVE_ALL operations */
+ if (the_acl) {
+ 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,
+ CONST_DISCARD(char *, 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;
+ }
+
+ /* The desired access below is the only one I could find that works
+ with NT4, W2KP and Samba */
+
+ fnum = cli_nt_create(cli, filename, CREATE_ACCESS_READ);
+
+ if (fnum == -1) {
+ DEBUG(5, ("cacl_set failed to open %s: %s\n",
+ filename, cli_errstr(cli)));
+ errno = 0;
+ return -1;
+ }
+
+ old = cli_query_secdesc(cli, fnum, ctx);
+
+ if (!old) {
+ DEBUG(5, ("cacl_set Failed to query old descriptor\n"));
+ errno = 0;
+ return -1;
+ }
+
+ cli_close(cli, fnum);
+
+ switch (mode) {
+ case SMBC_XATTR_MODE_REMOVE_ALL:
+ old->dacl->num_aces = 0;
+ dacl = old->dacl;
+ break;
+
+ case SMBC_XATTR_MODE_REMOVE:
+ 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])) {
+ uint32 k;
+ for (k=j; k<old->dacl->num_aces-1;k++) {
+ old->dacl->aces[k] =
+ old->dacl->aces[k+1];
+ }
+ old->dacl->num_aces--;
+ found = True;
+ dacl = old->dacl;
+ break;
+ }
+ }
+
+ if (!found) {
+ err = ENOATTR;
+ ret = -1;
+ goto failed;
+ }
+ }
+ 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)) {
+ if (!(flags & SMBC_XATTR_FLAG_CREATE)) {
+ err = EEXIST;
+ ret = -1;
+ goto failed;
+ }
+ old->dacl->aces[j] = sd->dacl->aces[i];
+ ret = -1;
+ 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);
+
+ fnum = cli_nt_create(cli, filename,
+ WRITE_DAC_ACCESS | WRITE_OWNER_ACCESS);
+
+ if (fnum == -1) {
+ DEBUG(5, ("cacl_set failed to open %s: %s\n",
+ filename, cli_errstr(cli)));
+ errno = 0;
+ return -1;
+ }
+
+ if (!cli_set_secdesc(cli, fnum, sd)) {
+ DEBUG(5, ("ERROR: secdesc set failed: %s\n", cli_errstr(cli)));
+ ret = -1;
+ }
+
+ /* Clean up */
+
+failed:
+ cli_close(cli, fnum);
+
+ if (err != 0) {
+ errno = err;
+ }
+
+ return ret;
+}
+
+
+int
+SMBC_setxattr_ctx(SMBCCTX *context,
+ const char *fname,
+ const char *name,
+ const void *value,
+ size_t size,
+ int flags)
+{
+ int ret;
+ int ret2;
+ SMBCSRV *srv = NULL;
+ SMBCSRV *ipc_srv = NULL;
+ char *server = NULL;
+ char *share = NULL;
+ char *user = NULL;
+ char *password = NULL;
+ char *workgroup = NULL;
+ char *path = NULL;
+ DOS_ATTR_DESC *dad = NULL;
+ struct {
+ const char * create_time_attr;
+ const char * access_time_attr;
+ const char * write_time_attr;
+ 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,
+ &workgroup,
+ &server,
+ &share,
+ &path,
+ &user,
+ &password,
+ NULL)) {
+ errno = EINVAL;
+ TALLOC_FREE(frame);
+ return -1;
+ }
+
+ if (!user || user[0] == (char)0) {
+ user = talloc_strdup(frame, smbc_getUser(context));
+ if (!user) {
+ errno = ENOMEM;
+ TALLOC_FREE(frame);
+ 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);
+ if (! ipc_srv) {
+ srv->no_nt_session = True;
+ }
+ } else {
+ ipc_srv = NULL;
+ }
+
+ /*
+ * Are they asking to set the entire set of known attributes?
+ */
+ if (StrCaseCmp(name, "system.*") == 0 ||
+ StrCaseCmp(name, "system.*+") == 0) {
+ /* Yup. */
+ char *namevalue =
+ talloc_asprintf(talloc_tos(), "%s:%s",
+ name+7, (const char *) value);
+ if (! namevalue) {
+ errno = ENOMEM;
+ ret = -1;
+ TALLOC_FREE(frame);
+ return -1;
+ }
+
+ if (ipc_srv) {
+ ret = cacl_set(talloc_tos(), srv->cli,
+ ipc_srv->cli, &ipc_srv->pol, path,
+ namevalue,
+ (*namevalue == '*'
+ ? SMBC_XATTR_MODE_SET
+ : SMBC_XATTR_MODE_ADD),
+ flags);
+ } 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,
+ dad->access_time,
+ 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 */
+ }
+ 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?
+ */
+ if (StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
+ StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
+ 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() */
+ }
+ else if (! namevalue) {
+ errno = ENOMEM;
+ ret = -1;
+ } else {
+ ret = cacl_set(talloc_tos(), srv->cli,
+ ipc_srv->cli, &ipc_srv->pol, path,
+ namevalue,
+ (*namevalue == '*'
+ ? SMBC_XATTR_MODE_SET
+ : SMBC_XATTR_MODE_ADD),
+ flags);
+ }
+ 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() */
+ }
+ else if (! namevalue) {
+ errno = ENOMEM;
+ ret = -1;
+ } else {
+ ret = cacl_set(talloc_tos(), srv->cli,
+ ipc_srv->cli, &ipc_srv->pol, path,
+ namevalue, SMBC_XATTR_MODE_CHOWN, 0);
+ }
+ 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;
+ }
+ else if (! namevalue) {
+ errno = ENOMEM;
+ ret = -1;
+ } else {
+ ret = cacl_set(talloc_tos(), srv->cli,
+ ipc_srv->cli, &ipc_srv->pol, path,
+ namevalue, SMBC_XATTR_MODE_CHGRP, 0);
+ }
+ 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 */
+ attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
+ attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
+ attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
+ attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
+ } else {
+ /* old-style names */
+ attr_strings.create_time_attr = NULL;
+ attr_strings.access_time_attr = "system.dos_attr.A_TIME";
+ 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?
+ */
+ if (StrCaseCmp(name, "system.dos_attr.*") == 0 ||
+ StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
+ (attr_strings.create_time_attr != NULL &&
+ StrCaseCmp(name, attr_strings.create_time_attr) == 0) ||
+ 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) {
+ char *namevalue =
+ talloc_asprintf(talloc_tos(), "%s:%s",
+ name+16, (const char *) value);
+ if (! namevalue) {
+ errno = ENOMEM;
+ ret = -1;
+ } 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,
+ dad->access_time,
+ dad->write_time,
+ dad->change_time,
+ dad->mode);
+
+ /* ret2 has True (success) / False (failure) */
+ if (ret2) {
+ ret = 0;
+ } else {
+ ret = -1;
+ }
+ }
+ } else {
+ ret = -1;
+ }
+
+ TALLOC_FREE(frame);
+ return ret;
+ }
+
+ /* Unsupported attribute name */
+ errno = EINVAL;
+ TALLOC_FREE(frame);
+ return -1;
+}
+
+int
+SMBC_getxattr_ctx(SMBCCTX *context,
+ const char *fname,
+ const char *name,
+ const void *value,
+ size_t size)
+{
+ int ret;
+ SMBCSRV *srv = NULL;
+ SMBCSRV *ipc_srv = NULL;
+ char *server = NULL;
+ char *share = NULL;
+ char *user = NULL;
+ char *password = NULL;
+ char *workgroup = NULL;
+ char *path = NULL;
+ struct {
+ const char * create_time_attr;
+ const char * access_time_attr;
+ const char * write_time_attr;
+ 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,
+ &workgroup,
+ &server,
+ &share,
+ &path,
+ &user,
+ &password,
+ NULL)) {
+ errno = EINVAL;
+ TALLOC_FREE(frame);
+ return -1;
+ }
+
+ if (!user || user[0] == (char)0) {
+ user = talloc_strdup(frame, smbc_getUser(context));
+ if (!user) {
+ errno = ENOMEM;
+ TALLOC_FREE(frame);
+ 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);
+ if (! ipc_srv) {
+ srv->no_nt_session = True;
+ }
+ } else {
+ ipc_srv = NULL;
+ }
+
+ /* Determine whether to use old-style or new-style attribute names */
+ if (context->internal->full_time_names) {
+ /* new-style names */
+ attr_strings.create_time_attr = "system.dos_attr.CREATE_TIME";
+ attr_strings.access_time_attr = "system.dos_attr.ACCESS_TIME";
+ attr_strings.write_time_attr = "system.dos_attr.WRITE_TIME";
+ attr_strings.change_time_attr = "system.dos_attr.CHANGE_TIME";
+ } else {
+ /* old-style names */
+ attr_strings.create_time_attr = NULL;
+ attr_strings.access_time_attr = "system.dos_attr.A_TIME";
+ 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 ||
+ StrCaseCmp(name, "system.*+") == 0 ||
+ StrnCaseCmp(name, "system.*+!", 10) == 0 ||
+ StrCaseCmp(name, "system.nt_sec_desc.*") == 0 ||
+ StrnCaseCmp(name, "system.nt_sec_desc.*!", 21) == 0 ||
+ StrCaseCmp(name, "system.nt_sec_desc.*+") == 0 ||
+ StrnCaseCmp(name, "system.nt_sec_desc.*+!", 22) == 0 ||
+ StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
+ StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
+ StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
+ StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
+ 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 ||
+ StrCaseCmp(name, "system.dos_attr.*") == 0 ||
+ StrnCaseCmp(name, "system.dos_attr.*!", 18) == 0 ||
+ StrCaseCmp(name, "system.dos_attr.mode") == 0 ||
+ StrCaseCmp(name, "system.dos_attr.size") == 0 ||
+ (attr_strings.create_time_attr != NULL &&
+ StrCaseCmp(name, attr_strings.create_time_attr) == 0) ||
+ StrCaseCmp(name, attr_strings.access_time_attr) == 0 ||
+ StrCaseCmp(name, attr_strings.write_time_attr) == 0 ||
+ StrCaseCmp(name, attr_strings.change_time_attr) == 0 ||
+ StrCaseCmp(name, "system.dos_attr.inode") == 0) {
+
+ /* Yup. */
+ ret = cacl_get(context, talloc_tos(), srv,
+ ipc_srv == NULL ? NULL : ipc_srv->cli,
+ &ipc_srv->pol, path,
+ CONST_DISCARD(char *, name),
+ CONST_DISCARD(char *, value), size);
+ if (ret < 0 && errno == 0) {
+ errno = SMBC_errno(context, srv->cli);
+ }
+ TALLOC_FREE(frame);
+ return ret;
+ }
+
+ /* Unsupported attribute name */
+ errno = EINVAL;
+ TALLOC_FREE(frame);
+ return -1;
+}
+
+
+int
+SMBC_removexattr_ctx(SMBCCTX *context,
+ const char *fname,
+ const char *name)
+{
+ int ret;
+ SMBCSRV *srv = NULL;
+ SMBCSRV *ipc_srv = NULL;
+ char *server = NULL;
+ char *share = NULL;
+ char *user = NULL;
+ char *password = NULL;
+ 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,
+ &workgroup,
+ &server,
+ &share,
+ &path,
+ &user,
+ &password,
+ NULL)) {
+ errno = EINVAL;
+ TALLOC_FREE(frame);
+ return -1;
+ }
+
+ if (!user || user[0] == (char)0) {
+ user = talloc_strdup(frame, smbc_getUser(context));
+ if (!user) {
+ errno = ENOMEM;
+ TALLOC_FREE(frame);
+ 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);
+ if (! ipc_srv) {
+ srv->no_nt_session = True;
+ }
+ } 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(talloc_tos(), srv->cli,
+ ipc_srv->cli, &ipc_srv->pol, path,
+ NULL, SMBC_XATTR_MODE_REMOVE_ALL, 0);
+ TALLOC_FREE(frame);
+ return ret;
+ }
+
+ /*
+ * Are they asking to remove one or more spceific security descriptor
+ * attributes?
+ */
+ if (StrCaseCmp(name, "system.nt_sec_desc.revision") == 0 ||
+ StrCaseCmp(name, "system.nt_sec_desc.owner") == 0 ||
+ StrCaseCmp(name, "system.nt_sec_desc.owner+") == 0 ||
+ StrCaseCmp(name, "system.nt_sec_desc.group") == 0 ||
+ 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(talloc_tos(), srv->cli,
+ ipc_srv->cli, &ipc_srv->pol, path,
+ name + 19, SMBC_XATTR_MODE_REMOVE, 0);
+ TALLOC_FREE(frame);
+ return ret;
+ }
+
+ /* Unsupported attribute name */
+ errno = EINVAL;
+ TALLOC_FREE(frame);
+ return -1;
+}
+
+int
+SMBC_listxattr_ctx(SMBCCTX *context,
+ const char *fname,
+ char *list,
+ size_t size)
+{
+ /*
+ * This isn't quite what listxattr() is supposed to do. This returns
+ * the complete set of attribute names, always, rather than only those
+ * attribute names which actually exist for a file. Hmmm...
+ */
+ size_t retsize;
+ const char supported_old[] =
+ "system.*\0"
+ "system.*+\0"
+ "system.nt_sec_desc.revision\0"
+ "system.nt_sec_desc.owner\0"
+ "system.nt_sec_desc.owner+\0"
+ "system.nt_sec_desc.group\0"
+ "system.nt_sec_desc.group+\0"
+ "system.nt_sec_desc.acl.*\0"
+ "system.nt_sec_desc.acl\0"
+ "system.nt_sec_desc.acl+\0"
+ "system.nt_sec_desc.*\0"
+ "system.nt_sec_desc.*+\0"
+ "system.dos_attr.*\0"
+ "system.dos_attr.mode\0"
+ "system.dos_attr.c_time\0"
+ "system.dos_attr.a_time\0"
+ "system.dos_attr.m_time\0"
+ ;
+ const char supported_new[] =
+ "system.*\0"
+ "system.*+\0"
+ "system.nt_sec_desc.revision\0"
+ "system.nt_sec_desc.owner\0"
+ "system.nt_sec_desc.owner+\0"
+ "system.nt_sec_desc.group\0"
+ "system.nt_sec_desc.group+\0"
+ "system.nt_sec_desc.acl.*\0"
+ "system.nt_sec_desc.acl\0"
+ "system.nt_sec_desc.acl+\0"
+ "system.nt_sec_desc.*\0"
+ "system.nt_sec_desc.*+\0"
+ "system.dos_attr.*\0"
+ "system.dos_attr.mode\0"
+ "system.dos_attr.create_time\0"
+ "system.dos_attr.access_time\0"
+ "system.dos_attr.write_time\0"
+ "system.dos_attr.change_time\0"
+ ;
+ const char * supported;
+
+ if (context->internal->full_time_names) {
+ supported = supported_new;
+ retsize = sizeof(supported_new);
+ } else {
+ 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;
+}
generated by cgit (git 2.34.1) at 2024-12-04 21:33:21 +0000