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EAP-FAST: Allow empty PAC file to be used

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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>
This commit is contained in:
Jouni Malinen 2013-01-12 17:30:08 +02:00
parent 2e8483bf12
commit 34d18540fc
1 changed files with 6 additions and 2 deletions
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8
src/eap_peer/eap_fast_pac.c
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@ -422,8 +422,12 @@ int eap_fast_load_pac(struct eap_sm *sm, struct eap_fast_pac **pac_root,
if (eap_fast_init_pac_data(sm, pac_file, &rc) < 0) if (eap_fast_init_pac_data(sm, pac_file, &rc) < 0)
return 0; return 0;
if (eap_fast_read_line(&rc, &pos) < 0 || if (eap_fast_read_line(&rc, &pos) < 0) {
os_strcmp(pac_file_hdr, rc.buf) != 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"; err = "Unrecognized header line";
while (!err && eap_fast_read_line(&rc, &pos) == 0) { while (!err && eap_fast_read_line(&rc, &pos) == 0) {