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-rw-r--r--source3/libsmb/cliconnect.c37
1 files changed, 27 insertions, 10 deletions
diff --git a/source3/libsmb/cliconnect.c b/source3/libsmb/cliconnect.c
index fca6c3a312..69d5ce6247 100644
--- a/source3/libsmb/cliconnect.c
+++ b/source3/libsmb/cliconnect.c
@@ -1871,6 +1871,9 @@ ADS_STATUS cli_session_setup_spnego(struct cli_state *cli, const char *user,
host = strchr_m(cli->desthost, '.');
if (dest_realm) {
realm = SMB_STRDUP(dest_realm);
+ if (!realm) {
+ return ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
+ }
strupper_m(realm);
} else {
if (host) {
@@ -1882,19 +1885,33 @@ ADS_STATUS cli_session_setup_spnego(struct cli_state *cli, const char *user,
}
}
- if (realm && *realm) {
- principal = talloc_asprintf(talloc_tos(),
- "cifs/%s@%s",
- cli->desthost,
- realm);
- if (!principal) {
- SAFE_FREE(realm);
+ if (realm == NULL || *realm == '\0') {
+ realm = SMB_STRDUP(lp_realm());
+ if (!realm) {
return ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
}
- DEBUG(3,("cli_session_setup_spnego: guessed "
- "server principal=%s\n",
- principal ? principal : "<null>"));
+ strupper_m(realm);
+ DEBUG(3,("cli_session_setup_spnego: cannot "
+ "get realm from dest_realm %s, "
+ "desthost %s. Using default "
+ "smb.conf realm %s\n",
+ dest_realm ? dest_realm : "<null>",
+ cli->desthost,
+ realm));
}
+
+ principal = talloc_asprintf(talloc_tos(),
+ "cifs/%s@%s",
+ cli->desthost,
+ realm);
+ if (!principal) {
+ SAFE_FREE(realm);
+ return ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
+ }
+ DEBUG(3,("cli_session_setup_spnego: guessed "
+ "server principal=%s\n",
+ principal ? principal : "<null>"));
+
SAFE_FREE(realm);
}