lib: add log_msg callback to get more detailed log messages

Signed-off-by: Felix Fietkau <nbd@nbd.name>

2 files changed, 13 insertions, 0 deletions

diff --git a/uclient-http.c b/uclient-http.c
index d6e9dcf..0b70ede 100644
--- a/uclient-http.c
+++ b/uclient-http.c
@@ -861,17 +861,23 @@ static void uclient_ssl_notify_state(struct ustream *us)
 static void uclient_ssl_notify_error(struct ustream_ssl *ssl, int error, const char *str)
 {
 	struct uclient_http *uh = container_of(ssl, struct uclient_http, ussl);
+	struct uclient *uc = &uh->uc;
 
+	if (uc->cb->log_msg)
+		uc->cb->log_msg(uc, UCLIENT_LOG_SSL_ERROR, str);
 	uclient_http_error(uh, UCLIENT_ERROR_CONNECT);
 }
 
 static void uclient_ssl_notify_verify_error(struct ustream_ssl *ssl, int error, const char *str)
 {
 	struct uclient_http *uh = container_of(ssl, struct uclient_http, ussl);
+	struct uclient *uc = &uh->uc;
 
 	if (!uh->ssl_require_validation)
 		return;
 
+	if (uc->cb->log_msg)
+		uc->cb->log_msg(uc, UCLIENT_LOG_SSL_VERIFY_ERROR, str);
 	uclient_http_error(uh, UCLIENT_ERROR_SSL_INVALID_CERT);
 }
 
diff --git a/uclient.h b/uclient.h
index 5ccda74..772a5bd 100644
--- a/uclient.h
+++ b/uclient.h
@@ -39,6 +39,12 @@ enum uclient_error_code {
 	__UCLIENT_ERROR_MAX
 };
 
+enum uclient_log_type {
+	UCLIENT_LOG_SSL_ERROR,
+	UCLIENT_LOG_SSL_VERIFY_ERROR,
+	__UCLIENT_LOG_MAX
+};
+
 union uclient_addr {
 	struct sockaddr sa;
 	struct sockaddr_in sin;
@@ -85,6 +91,7 @@ struct uclient_cb {
 	void (*data_eof)(struct uclient *cl);
 	void (*header_done)(struct uclient *cl);
 	void (*error)(struct uclient *cl, int code);
+	void (*log_msg)(struct uclient *cl, enum uclient_log_type type, const char *msg);
 };
 
 struct uclient *uclient_new(const char *url, const char *auth_str, const struct uclient_cb *cb);