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-rw-r--r--source3/libsmb/clifile.c237
1 files changed, 163 insertions, 74 deletions
diff --git a/source3/libsmb/clifile.c b/source3/libsmb/clifile.c
index 23c98c16f3..52164dc0b4 100644
--- a/source3/libsmb/clifile.c
+++ b/source3/libsmb/clifile.c
@@ -1163,28 +1163,18 @@ NTSTATUS cli_raw_ioctl(struct cli_state *cli, int fnum, uint32 code, DATA_BLOB *
}
/*********************************************************
- Set an extended attribute on a pathname.
+ Set an extended attribute utility fn.
*********************************************************/
-BOOL cli_set_path_ea(struct cli_state *cli, const char *path, const char *ea_name, const char *ea_val, size_t ea_len)
-{
+static BOOL cli_set_ea(struct cli_state *cli, uint16 setup, char *param, unsigned int param_len,
+ const char *ea_name, const char *ea_val, size_t ea_len)
+{
unsigned int data_len = 0;
- unsigned int param_len = 0;
- uint16 setup = TRANSACT2_SETPATHINFO;
- char param[sizeof(pstring)+6];
char *data = NULL;
char *rparam=NULL, *rdata=NULL;
char *p;
- size_t srclen = 2*(strlen(path)+1);
size_t ea_namelen = strlen(ea_name);
- memset(param, 0, sizeof(param));
- SSVAL(param,0,SMB_INFO_SET_EA);
- p = &param[6];
-
- p += clistr_push(cli, p, path, MIN(srclen, sizeof(param)-6), STR_TERMINATE);
- param_len = PTR_DIFF(p, param);
-
data_len = 4 + 4 + ea_namelen + 1 + ea_len;
data = malloc(data_len);
if (!data) {
@@ -1223,82 +1213,65 @@ BOOL cli_set_path_ea(struct cli_state *cli, const char *path, const char *ea_nam
}
/*********************************************************
- Set an extended attribute on an fnum.
+ Set an extended attribute on a pathname.
*********************************************************/
-BOOL cli_set_fnum_ea(struct cli_state *cli, int fnum, const char *ea_name, const char *ea_val, size_t ea_len)
+BOOL cli_set_ea_path(struct cli_state *cli, const char *path, const char *ea_name, const char *ea_val, size_t ea_len)
{
- unsigned int data_len = 0;
- unsigned int param_len = 6;
- uint16 setup = TRANSACT2_SETFILEINFO;
- pstring param;
- char *data = NULL;
- char *rparam=NULL, *rdata=NULL;
+ uint16 setup = TRANSACT2_SETPATHINFO;
+ unsigned int param_len = 0;
+ char param[sizeof(pstring)+6];
+ size_t srclen = 2*(strlen(path)+1);
char *p;
- size_t ea_namelen = strlen(ea_name);
memset(param, 0, sizeof(param));
- SSVAL(param,0,fnum);
- SSVAL(param,2,SMB_INFO_SET_EA);
+ SSVAL(param,0,SMB_INFO_SET_EA);
+ p = &param[6];
- data_len = 4 + 4 + ea_namelen + 1 + ea_len;
- data = malloc(data_len);
- if (!data) {
- return False;
- }
- p = data;
- SIVAL(p,0,data_len);
- p += 4;
- SCVAL(p, 0, 0); /* EA flags. */
- SCVAL(p, 1, ea_namelen);
- SSVAL(p, 2, ea_len);
- memcpy(p+4, ea_name, ea_namelen+1); /* Copy in the name. */
- memcpy(p+4+ea_namelen+1, ea_val, ea_len);
+ p += clistr_push(cli, p, path, MIN(srclen, sizeof(param)-6), STR_TERMINATE);
+ param_len = PTR_DIFF(p, param);
- if (!cli_send_trans(cli, SMBtrans2,
- NULL, /* name */
- -1, 0, /* fid, flags */
- &setup, 1, 0, /* setup, length, max */
- param, param_len, 2, /* param, length, max */
- data, data_len, cli->max_xmit /* data, length, max */
- )) {
- return False;
- }
+ return cli_set_ea(cli, setup, param, param_len, ea_name, ea_val, ea_len);
+}
- if (!cli_receive_trans(cli, SMBtrans2,
- &rparam, &param_len,
- &rdata, &data_len)) {
- return False;
- }
+/*********************************************************
+ Set an extended attribute on an fnum.
+*********************************************************/
- SAFE_FREE(data);
- SAFE_FREE(rdata);
- SAFE_FREE(rparam);
+BOOL cli_set_ea_fnum(struct cli_state *cli, int fnum, const char *ea_name, const char *ea_val, size_t ea_len)
+{
+ char param[6];
+ uint16 setup = TRANSACT2_SETFILEINFO;
- return True;
+ memset(param, 0, 6);
+ SSVAL(param,0,fnum);
+ SSVAL(param,2,SMB_INFO_SET_EA);
+
+ return cli_set_ea(cli, setup, param, 6, ea_name, ea_val, ea_len);
}
-BOOL cli_get_eas(struct cli_state *cli, const char *path,
+/*********************************************************
+ Get an extended attribute list tility fn.
+*********************************************************/
+
+static BOOL cli_get_ea_list(struct cli_state *cli,
+ uint16 setup, char *param, unsigned int param_len,
TALLOC_CTX *ctx,
size_t *pnum_eas,
- struct ea_struct **ea_list)
+ struct ea_struct **pea_list)
{
unsigned int data_len = 0;
- unsigned int param_len = 0;
unsigned int rparam_len, rdata_len;
- uint16 setup = TRANSACT2_QPATHINFO;
- pstring param;
char *rparam=NULL, *rdata=NULL;
char *p;
-
- p = param;
- memset(p, 0, 6);
- SSVAL(p, 0, SMB_INFO_QUERY_ALL_EAS);
- p += 6;
- p += clistr_push(cli, p, path, sizeof(pstring)-6, STR_TERMINATE);
-
- param_len = PTR_DIFF(p, param);
-
+ size_t ea_size;
+ size_t num_eas;
+ BOOL ret = False;
+ struct ea_struct *ea_list;
+
+ *pnum_eas = 0;
+ *pea_list = NULL;
+
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* Name */
-1, 0, /* fid, flags */
@@ -1308,15 +1281,131 @@ BOOL cli_get_eas(struct cli_state *cli, const char *path,
)) {
return False;
}
-
+
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, &rparam_len,
&rdata, &rdata_len)) {
return False;
}
-
+
if (!rdata || rdata_len < 4) {
- return False;
+ goto out;
}
- return False;
+
+ ea_size = (size_t)IVAL(rdata,0);
+ if (ea_size > rdata_len) {
+ goto out;
+ }
+
+ p = rdata + 4;
+ ea_size -= 4;
+
+ /* Validate the EA list and count it. */
+ for (num_eas = 0; ea_size >= 4; num_eas++) {
+ unsigned int ea_namelen = CVAL(p,1);
+ unsigned int ea_valuelen = SVAL(p,2);
+ if (ea_namelen == 0) {
+ goto out;
+ }
+ if (4 + ea_namelen + 1 + ea_valuelen > ea_size) {
+ goto out;
+ }
+ ea_size -= 4 + ea_namelen + 1 + ea_valuelen;
+ p += 4 + ea_namelen + 1 + ea_valuelen;
+ }
+
+ if (num_eas == 0) {
+ ret = True;
+ goto out;
+ }
+
+ *pnum_eas = num_eas;
+ if (!pea_list) {
+ /* Caller only wants number of EA's. */
+ ret = True;
+ goto out;
+ }
+
+ ea_list = (struct ea_struct *)talloc(ctx, num_eas*sizeof(struct ea_struct));
+ if (!ea_list) {
+ goto out;
+ }
+
+ ea_size = (size_t)IVAL(rdata,0);
+ p = rdata + 4;
+
+ for (num_eas = 0; num_eas < *pnum_eas; num_eas++ ) {
+ struct ea_struct *ea = &ea_list[num_eas];
+ fstring unix_ea_name;
+ unsigned int ea_namelen = CVAL(p,1);
+ unsigned int ea_valuelen = SVAL(p,2);
+
+ ea->flags = CVAL(p,0);
+ unix_ea_name[0] = '\0';
+ pull_ascii_fstring(unix_ea_name, p + 4);
+ ea->name = talloc_strdup(ctx, unix_ea_name);
+ /* Ensure the value is null terminated (in case it's a string). */
+ ea->value = data_blob_talloc(ctx, NULL, ea_valuelen + 1);
+ if (!ea->value.data) {
+ goto out;
+ }
+ if (ea_valuelen) {
+ memcpy(ea->value.data, p+4+ea_namelen+1, ea_valuelen);
+ }
+ ea->value.data[ea_valuelen] = 0;
+ ea->value.length--;
+ p += 4 + ea_namelen + 1 + ea_valuelen;
+ }
+
+ *pea_list = ea_list;
+ ret = True;
+
+ out :
+
+ SAFE_FREE(rdata);
+ SAFE_FREE(rparam);
+ return ret;
+}
+
+/*********************************************************
+ Get an extended attribute list from a pathname.
+*********************************************************/
+
+BOOL cli_get_ea_list_path(struct cli_state *cli, const char *path,
+ TALLOC_CTX *ctx,
+ size_t *pnum_eas,
+ struct ea_struct **pea_list)
+{
+ uint16 setup = TRANSACT2_QPATHINFO;
+ unsigned int param_len = 0;
+ char param[sizeof(pstring)+6];
+ char *p;
+
+ p = param;
+ memset(p, 0, 6);
+ SSVAL(p, 0, SMB_INFO_QUERY_ALL_EAS);
+ p += 6;
+ p += clistr_push(cli, p, path, sizeof(pstring)-6, STR_TERMINATE);
+ param_len = PTR_DIFF(p, param);
+
+ return cli_get_ea_list(cli, setup, param, param_len, ctx, pnum_eas, pea_list);
+}
+
+/*********************************************************
+ Get an extended attribute list from an fnum.
+*********************************************************/
+
+BOOL cli_get_ea_list_fnum(struct cli_state *cli, int fnum,
+ TALLOC_CTX *ctx,
+ size_t *pnum_eas,
+ struct ea_struct **pea_list)
+{
+ uint16 setup = TRANSACT2_QFILEINFO;
+ char param[6];
+
+ memset(param, 0, 6);
+ SSVAL(param,0,fnum);
+ SSVAL(param,2,SMB_INFO_SET_EA);
+
+ return cli_get_ea_list(cli, setup, param, 6, ctx, pnum_eas, pea_list);
}
generated by cgit (git 2.34.1) at 2024-12-17 21:16:37 +0000