1 files changed, 52 insertions, 8 deletions

diff --git a/wpa_supplicant/config_file.c b/wpa_supplicant/config_file.c
index 8badc7b..531957a 100644
--- a/wpa_supplicant/config_file.c
+++ b/wpa_supplicant/config_file.c
@@ -19,6 +19,29 @@
 #include "p2p/p2p.h"
 
 
+static int newline_terminated(const char *buf, size_t buflen)
+{
+	size_t len = os_strlen(buf);
+	if (len == 0)
+		return 0;
+	if (len == buflen - 1 && buf[buflen - 1] != '\r' &&
+	    buf[len - 1] != '\n')
+		return 0;
+	return 1;
+}
+
+
+static void skip_line_end(FILE *stream)
+{
+	char buf[100];
+	while (fgets(buf, sizeof(buf), stream)) {
+		buf[sizeof(buf) - 1] = '\0';
+		if (newline_terminated(buf, sizeof(buf)))
+			return;
+	}
+}
+
+
 /**
  * wpa_config_get_line - Read the next configuration file line
  * @s: Buffer for the line
@@ -41,6 +64,15 @@ static char * wpa_config_get_line(char *s, int size, FILE *stream, int *line,
 	while (fgets(s, size, stream)) {
 		(*line)++;
 		s[size - 1] = '\0';
+		if (!newline_terminated(s, size)) {
+			/*
+			 * The line was truncated - skip rest of it to avoid
+			 * confusing error messages.
+			 */
+			wpa_printf(MSG_INFO, "Long line in configuration file "
+				   "truncated");
+			skip_line_end(stream);
+		}
 		pos = s;
 
 		/* Skip white space from the beginning of line. */
@@ -99,12 +131,6 @@ static int wpa_config_validate_network(struct wpa_ssid *ssid, int line)
 		wpa_config_update_psk(ssid);
 	}
 
-	if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt) && !ssid->psk_set) {
-		wpa_printf(MSG_ERROR, "Line %d: WPA-PSK accepted for key "
-			   "management, but no PSK configured.", line);
-		errors++;
-	}
-
 	if ((ssid->group_cipher & WPA_CIPHER_CCMP) &&
 	    !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
 	    !(ssid->pairwise_cipher & WPA_CIPHER_NONE)) {
@@ -123,7 +149,7 @@ static struct wpa_ssid * wpa_config_read_network(FILE *f, int *line, int id)
 {
 	struct wpa_ssid *ssid;
 	int errors = 0, end = 0;
-	char buf[256], *pos, *pos2;
+	char buf[2000], *pos, *pos2;
 
 	wpa_printf(MSG_MSGDUMP, "Line: %d - start of a new network block",
 		   *line);
@@ -329,11 +355,17 @@ struct wpa_config * wpa_config_read(const char *name)
 	int cred_id = 0;
 
 	config = wpa_config_alloc_empty(NULL, NULL);
-	if (config == NULL)
+	if (config == NULL) {
+		wpa_printf(MSG_ERROR, "Failed to allocate config file "
+			   "structure");
 		return NULL;
+	}
+
 	wpa_printf(MSG_DEBUG, "Reading configuration file '%s'", name);
 	f = fopen(name, "r");
 	if (f == NULL) {
+		wpa_printf(MSG_ERROR, "Failed to open config file '%s', "
+			   "error: %s", name, strerror(errno));
 		os_free(config);
 		return NULL;
 	}
@@ -378,6 +410,8 @@ struct wpa_config * wpa_config_read(const char *name)
 		} else if (os_strncmp(pos, "blob-base64-", 12) == 0) {
 			if (wpa_config_process_blob(config, f, &line, pos + 12)
 			    < 0) {
+				wpa_printf(MSG_ERROR, "Line %d: failed to "
+					   "process blob.", line);
 				errors++;
 				continue;
 			}
@@ -875,6 +909,16 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
 	write_global_bin(f, "wps_nfc_dh_pubkey", config->wps_nfc_dh_pubkey);
 	write_global_bin(f, "wps_nfc_dh_privkey", config->wps_nfc_dh_privkey);
 	write_global_bin(f, "wps_nfc_dev_pw", config->wps_nfc_dev_pw);
+
+	if (config->ext_password_backend)
+		fprintf(f, "ext_password_backend=%s\n",
+			config->ext_password_backend);
+	if (config->p2p_go_max_inactivity != DEFAULT_P2P_GO_MAX_INACTIVITY)
+		fprintf(f, "p2p_go_max_inactivity=%d\n",
+			config->p2p_go_max_inactivity);
+	if (config->auto_interworking)
+		fprintf(f, "auto_interworking=%d\n",
+			config->auto_interworking);
 }
 
 #endif /* CONFIG_NO_CONFIG_WRITE */