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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:51:24 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:51:24 +0000
commitf7548d6d28c313cf80e6f3ef89aed16a19815df1 (patch)
treea3f6f2a3f247293bee59ecd28e8cd8ceb6ca064a /src/lib-sasl/mech-external.c
parentInitial commit. (diff)
downloaddovecot-f7548d6d28c313cf80e6f3ef89aed16a19815df1.tar.xz
dovecot-f7548d6d28c313cf80e6f3ef89aed16a19815df1.zip
Adding upstream version 1:2.3.19.1+dfsg1.upstream/1%2.3.19.1+dfsg1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/lib-sasl/mech-external.c')
-rw-r--r--src/lib-sasl/mech-external.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/lib-sasl/mech-external.c b/src/lib-sasl/mech-external.c
new file mode 100644
index 0000000..7df94b4
--- /dev/null
+++ b/src/lib-sasl/mech-external.c
@@ -0,0 +1,59 @@
+/* Copyright (c) 2016-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "dsasl-client-private.h"
+
+struct external_dsasl_client {
+ struct dsasl_client client;
+ bool output_sent;
+};
+
+static int
+mech_external_input(struct dsasl_client *_client,
+ const unsigned char *input ATTR_UNUSED, size_t input_len,
+ const char **error_r)
+{
+ struct external_dsasl_client *client =
+ (struct external_dsasl_client *)_client;
+
+ if (!client->output_sent) {
+ if (input_len > 0) {
+ *error_r = "Server sent non-empty initial response";
+ return -1;
+ }
+ } else {
+ *error_r = "Server didn't finish authentication";
+ return -1;
+ }
+ return 0;
+}
+
+static int
+mech_external_output(struct dsasl_client *_client,
+ const unsigned char **output_r, size_t *output_len_r,
+ const char **error_r ATTR_UNUSED)
+{
+ struct external_dsasl_client *client =
+ (struct external_dsasl_client *)_client;
+ const char *username;
+
+ if (_client->set.authzid != NULL)
+ username = _client->set.authzid;
+ else if (_client->set.authid != NULL)
+ username = _client->set.authid;
+ else
+ username = "";
+
+ *output_r = (const void *)username;
+ *output_len_r = strlen(username);
+ client->output_sent = TRUE;
+ return 0;
+}
+
+const struct dsasl_client_mech dsasl_client_mech_external = {
+ .name = "EXTERNAL",
+ .struct_size = sizeof(struct external_dsasl_client),
+
+ .input = mech_external_input,
+ .output = mech_external_output
+};