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s3:client: Evaluate the AUTH_INFO_REQUIRED variable set by cups

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This should not switch to username,password if cups has been configured
to use negotiate (Kerberos authentication).

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13832

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Bryan Mason <bmason@redhat.com>
Signed-off-by: Guenther Deschner <gd@samba.org>
(cherry picked from commit 5274b09fbaa5e45cc58f3301818d4e9f6a402845)
This commit is contained in:
Andreas Schneider 2019-01-04 09:21:24 +01:00 committed by Karolin Seeger
parent d311eff5aa
commit 590fd47587
1 changed files with 20 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
source3/client/smbspool.c
View File

@ -60,7 +60,7 @@
* Local functions...
*/
static int get_exit_code(struct cli_state * cli, NTSTATUS nt_status, bool use_kerberos);
static int get_exit_code(struct cli_state * cli, NTSTATUS nt_status);
static void list_devices(void);
static struct cli_state *smb_complete_connection(const char *, const char *,
int, const char *, const char *, const char *, const char *, int, bool *need_auth);
@ -72,6 +72,8 @@ static char *uri_unescape_alloc(const char *);
static bool smb_encrypt;
#endif
static const char *auth_info_required;
/*
* 'main()' - Main entry for SMB backend.
*/
@ -185,6 +187,11 @@ main(int argc, /* I - Number of command-line arguments */
}
}
auth_info_required = getenv("AUTH_INFO_REQUIRED");
if (auth_info_required == NULL) {
auth_info_required = "none";
}
cmp = strncmp(dev_uri, "smb://", 6);
if (cmp != 0) {
fprintf(stderr,
@ -233,6 +240,10 @@ main(int argc, /* I - Number of command-line arguments */
server = uri + 6;
}
if (password != empty_str) {
auth_info_required = "username,password";
}
tmp = server;
if ((sep = strchr_m(tmp, '/')) == NULL) {
@ -352,8 +363,7 @@ done:
static int
get_exit_code(struct cli_state * cli,
NTSTATUS nt_status,
bool use_kerberos)
NTSTATUS nt_status)
{
int i;
@ -380,10 +390,7 @@ get_exit_code(struct cli_state * cli,
}
if (cli) {
if (use_kerberos)
fputs("ATTR: auth-info-required=negotiate\n", stderr);
else
fputs("ATTR: auth-info-required=username,password\n", stderr);
fprintf(stderr, "ATTR: auth-info-required=%s\n", auth_info_required);
}
/*
@ -452,6 +459,7 @@ smb_complete_connection(const char *myname,
}
if (flags & CLI_FULL_CONNECTION_USE_KERBEROS) {
auth_info_required = "negotiate";
use_kerberos = true;
}
@ -474,7 +482,7 @@ smb_complete_connection(const char *myname,
if (!NT_STATUS_IS_OK(nt_status)) {
fprintf(stderr, "ERROR: Session setup failed: %s\n", nt_errstr(nt_status));
if (get_exit_code(cli, nt_status, use_kerberos) == 2) {
if (get_exit_code(cli, nt_status) == 2) {
*need_auth = true;
}
@ -488,7 +496,7 @@ smb_complete_connection(const char *myname,
fprintf(stderr, "ERROR: Tree connect failed (%s)\n",
nt_errstr(nt_status));
if (get_exit_code(cli, nt_status, use_kerberos) == 2) {
if (get_exit_code(cli, nt_status) == 2) {
*need_auth = true;
}
@ -677,7 +685,7 @@ smb_print(struct cli_state * cli, /* I - SMB connection */
if (!NT_STATUS_IS_OK(nt_status)) {
fprintf(stderr, "ERROR: %s opening remote spool %s\n",
nt_errstr(nt_status), title);
return get_exit_code(cli, nt_status, false);
return get_exit_code(cli, nt_status);
}
/*
@ -695,7 +703,7 @@ smb_print(struct cli_state * cli, /* I - SMB connection */
status = cli_writeall(cli, fnum, 0, (uint8_t *)buffer,
tbytes, nbytes, NULL);
if (!NT_STATUS_IS_OK(status)) {
int ret = get_exit_code(cli, status, false);
int ret = get_exit_code(cli, status);
fprintf(stderr, "ERROR: Error writing spool: %s\n",
nt_errstr(status));
fprintf(stderr, "DEBUG: Returning status %d...\n",
@ -711,7 +719,7 @@ smb_print(struct cli_state * cli, /* I - SMB connection */
if (!NT_STATUS_IS_OK(nt_status)) {
fprintf(stderr, "ERROR: %s closing remote spool %s\n",
nt_errstr(nt_status), title);
return get_exit_code(cli, nt_status, false);
return get_exit_code(cli, nt_status);
} else {
return (0);
}