EAP-FAST: Allow empty PAC file to be used
Even if the PAC file does not start with the proper header line, allow
the file to be used if it is empty. [Bug 423]
Signed-hostap: Jouni Malinen <j@w1.fi>
diff --git a/src/eap_peer/eap_fast_pac.c b/src/eap_peer/eap_fast_pac.c
index fc987da..8c480b9 100644
--- a/src/eap_peer/eap_fast_pac.c
+++ b/src/eap_peer/eap_fast_pac.c
@@ -422,8 +422,12 @@
if (eap_fast_init_pac_data(sm, pac_file, &rc) < 0)
return 0;
- if (eap_fast_read_line(&rc, &pos) < 0 ||
- os_strcmp(pac_file_hdr, rc.buf) != 0)
+ if (eap_fast_read_line(&rc, &pos) < 0) {
+ /* empty file - assume it is fine to overwrite */
+ eap_fast_deinit_pac_data(&rc);
+ return 0;
+ }
+ if (os_strcmp(pac_file_hdr, rc.buf) != 0)
err = "Unrecognized header line";
while (!err && eap_fast_read_line(&rc, &pos) == 0) {