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Interworking: Read IMSI if not read at supplicant start

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It is required to read IMSI from SIM if it has not already been done
when comparing HS 2.0 AP 3GPP information with the local credentials.

Signed-off-by: Jean Trivelly <jean.trivelly@intel.com>
This commit is contained in:
Jean Trivelly 2014-03-28 17:30:32 +01:00 committed by Jouni Malinen
parent 62f736dd04
commit 72300408d4
1 changed files with 31 additions and 4 deletions
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35
wpa_supplicant/interworking.c
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@ -1750,6 +1750,31 @@ int interworking_connect(struct wpa_supplicant *wpa_s, struct wpa_bss *bss)
}
#ifdef PCSC_FUNCS
static int interworking_pcsc_read_imsi(struct wpa_supplicant *wpa_s)
{
size_t len;
if (wpa_s->imsi[0] && wpa_s->mnc_len)
return 0;
len = sizeof(wpa_s->imsi) - 1;
if (scard_get_imsi(wpa_s->scard, wpa_s->imsi, &len)) {
scard_deinit(wpa_s->scard);
wpa_s->scard = NULL;
wpa_msg(wpa_s, MSG_ERROR, "Could not read IMSI");
return -1;
}
wpa_s->imsi[len] = '\0';
wpa_s->mnc_len = scard_get_mnc_len(wpa_s->scard);
wpa_printf(MSG_DEBUG, "SCARD: IMSI %s (MNC length %d)",
wpa_s->imsi, wpa_s->mnc_len);
return 0;
}
#endif /* PCSC_FUNCS */
static struct wpa_cred * interworking_credentials_available_3gpp(
struct wpa_supplicant *wpa_s, struct wpa_bss *bss, int ignore_bw,
int *excluded)
@ -1788,8 +1813,9 @@ static struct wpa_cred * interworking_credentials_available_3gpp(
size_t msin_len;
#ifdef PCSC_FUNCS
if (cred->pcsc && wpa_s->conf->pcsc_reader && wpa_s->scard &&
wpa_s->imsi[0]) {
if (cred->pcsc && wpa_s->scard) {
if (interworking_pcsc_read_imsi(wpa_s) < 0)
continue;
imsi = wpa_s->imsi;
mnc_len = wpa_s->mnc_len;
goto compare;
@ -2046,8 +2072,9 @@ int interworking_home_sp_cred(struct wpa_supplicant *wpa_s,
if (cred->imsi)
imsi = cred->imsi;
#ifdef PCSC_FUNCS
else if (cred->pcsc && wpa_s->conf->pcsc_reader &&
wpa_s->scard && wpa_s->imsi[0]) {
else if (cred->pcsc && wpa_s->scard) {
if (interworking_pcsc_read_imsi(wpa_s) < 0)
return -1;
imsi = wpa_s->imsi;
mnc_len = wpa_s->mnc_len;
}