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libsmb: Make a r/w copy of fname in cli_smb2_create_fnum_send()

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We're messing with this in 2 places in this routine and have to make a
copy in both places. Make this writable, so we don't have to make a
copy further down.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Volker Lendecke 2022-12-15 18:54:58 +01:00
parent 9189bd9c9c
commit 96d68c6b8a
1 changed files with 10 additions and 4 deletions
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14
source3/libsmb/cli_smb2_fnum.c
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@ -158,9 +158,9 @@ static uint8_t flags_to_smb2_oplock(uint32_t create_flags)
if this hasn't already been done.
***************************************************************/
static const char *smb2_dfs_share_path(TALLOC_CTX *ctx,
struct cli_state *cli,
const char *path)
static char *smb2_dfs_share_path(TALLOC_CTX *ctx,
struct cli_state *cli,
char *path)
{
bool is_dfs = smbXcli_conn_dfs_supported(cli->conn) &&
smbXcli_tcon_is_dfs_share(cli->smb2.tcon);
@ -210,7 +210,7 @@ struct tevent_req *cli_smb2_create_fnum_send(
TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct cli_state *cli,
const char *fname,
const char *fname_in,
uint32_t create_flags,
uint32_t impersonation_level,
uint32_t desired_access,
@ -222,6 +222,7 @@ struct tevent_req *cli_smb2_create_fnum_send(
{
struct tevent_req *req, *subreq;
struct cli_smb2_create_fnum_state *state;
char *fname = NULL;
size_t fname_len = 0;
const char *startp = NULL;
const char *endp = NULL;
@ -235,6 +236,11 @@ struct tevent_req *cli_smb2_create_fnum_send(
}
state->cli = cli;
fname = talloc_strdup(state, fname_in);
if (tevent_req_nomem(fname, req)) {
return tevent_req_post(req, ev);
}
if (cli->backup_intent) {
create_options |= FILE_OPEN_FOR_BACKUP_INTENT;
}