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Interworking: Use 3gppnetwork.org for matching home SP for SIM/USIM

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Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2012-02-16 16:33:31 +02:00 committed by Jouni Malinen
parent 61b2ed7012
commit 9914c96feb
1 changed files with 52 additions and 11 deletions
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63
wpa_supplicant/interworking.c
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@ -505,10 +505,10 @@ static int plmn_id_match(struct wpabuf *anqp, const char *imsi)
}
static int set_root_nai(struct wpa_ssid *ssid, const char *imsi, char prefix)
static int build_root_nai(char *nai, const char *imsi, char prefix)
{
const char *sep, *msin;
char nai[100], *end, *pos;
char *end, *pos;
size_t msin_len, plmn_len;
/*
@ -533,7 +533,8 @@ static int set_root_nai(struct wpa_ssid *ssid, const char *imsi, char prefix)
pos = nai;
end = pos + sizeof(nai);
*pos++ = prefix;
if (prefix)
*pos++ = prefix;
os_memcpy(pos, imsi, plmn_len);
pos += plmn_len;
os_memcpy(pos, msin, msin_len);
@ -551,6 +552,15 @@ static int set_root_nai(struct wpa_ssid *ssid, const char *imsi, char prefix)
pos += os_snprintf(pos, end - pos, ".mcc%c%c%c.3gppnetwork.org",
imsi[0], imsi[1], imsi[2]);
return 0;
}
static int set_root_nai(struct wpa_ssid *ssid, const char *imsi, char prefix)
{
char nai[100];
if (build_root_nai(nai, imsi, prefix) < 0)
return -1;
return wpa_config_set_quoted(ssid, "identity", nai);
}
@ -855,16 +865,13 @@ static int interworking_credentials_available(struct wpa_supplicant *wpa_s,
}
static int interworking_home_sp(struct wpa_supplicant *wpa_s,
struct wpabuf *domain_names)
static int domain_name_list_contains(struct wpabuf *domain_names,
const char *domain)
{
const u8 *pos, *end;
size_t len;
if (wpa_s->conf->home_domain == NULL || domain_names == NULL)
return -1;
len = os_strlen(wpa_s->conf->home_domain);
len = os_strlen(domain);
pos = wpabuf_head(domain_names);
end = pos + wpabuf_len(domain_names);
@ -872,9 +879,10 @@ static int interworking_home_sp(struct wpa_supplicant *wpa_s,
if (pos + 1 + pos[0] > end)
break;
wpa_hexdump_ascii(MSG_DEBUG, "Interworking: AP domain name",
pos + 1, pos[0]);
if (pos[0] == len &&
os_strncasecmp(wpa_s->conf->home_domain,
(const char *) (pos + 1), len) == 0)
os_strncasecmp(domain, (const char *) (pos + 1), len) == 0)
return 1;
pos += 1 + pos[0];
@ -884,6 +892,39 @@ static int interworking_home_sp(struct wpa_supplicant *wpa_s,
}
static int interworking_home_sp(struct wpa_supplicant *wpa_s,
struct wpabuf *domain_names)
{
#ifdef INTERWORKING_3GPP
char nai[100], *realm;
#endif /* INTERWORKING_3GPP */
if (domain_names == NULL)
return -1;
#ifdef INTERWORKING_3GPP
if (wpa_s->conf->home_imsi &&
build_root_nai(nai, wpa_s->conf->home_imsi, 0) == 0) {
realm = os_strchr(nai, '@');
if (realm)
realm++;
wpa_printf(MSG_DEBUG, "Interworking: Search for match with "
"SIM/USIM domain %s", realm);
if (realm && domain_name_list_contains(domain_names, realm))
return 1;
}
#endif /* INTERWORKING_3GPP */
if (wpa_s->conf->home_domain == NULL)
return -1;
wpa_printf(MSG_DEBUG, "Interworking: Search for match with "
"home SP FQDN %s", wpa_s->conf->home_domain);
return domain_name_list_contains(domain_names,
wpa_s->conf->home_domain);
}
static void interworking_select_network(struct wpa_supplicant *wpa_s)
{
struct wpa_bss *bss, *selected = NULL, *selected_home = NULL;