/*
* HLR/AuC testing gateway for hostapd EAP-SIM/AKA database/authenticator
- * Copyright (c) 2005-2007, 2012-2013, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2005-2007, 2012-2017, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
* SIM-REQ-AUTH <IMSI> <max_chal>
* SIM-RESP-AUTH <IMSI> Kc1:SRES1:RAND1 Kc2:SRES2:RAND2 [Kc3:SRES3:RAND3]
* SIM-RESP-AUTH <IMSI> FAILURE
+ * GSM-AUTH-REQ <IMSI> RAND1:RAND2[:RAND3]
+ * GSM-AUTH-RESP <IMSI> Kc1:SRES1:Kc2:SRES2[:Kc3:SRES3]
+ * GSM-AUTH-RESP <IMSI> FAILURE
*
* EAP-AKA / UMTS query/response:
* AKA-REQ-AUTH <IMSI>
u8 amf[2];
u8 sqn[6];
int set;
+ size_t res_len;
};
static struct milenage_parameters *milenage_db = NULL;
#define EAP_AKA_RAND_LEN 16
#define EAP_AKA_AUTN_LEN 16
#define EAP_AKA_AUTS_LEN 14
+#define EAP_AKA_RES_MIN_LEN 4
#define EAP_AKA_RES_MAX_LEN 16
#define EAP_AKA_IK_LEN 16
#define EAP_AKA_CK_LEN 16
" ki CHAR(32) NOT NULL,"
" opc CHAR(32) NOT NULL,"
" amf CHAR(4) NOT NULL,"
- " sqn CHAR(12) NOT NULL"
+ " sqn CHAR(12) NOT NULL,"
+ " res_len INTEGER"
");";
printf("Adding database table for milenage information\n");
printf("Invalid sqn value in database\n");
return -1;
}
+
+ if (os_strcmp(col[i], "res_len") == 0 && argv[i]) {
+ m->res_len = atoi(argv[i]);
+ }
}
return 0;
os_snprintf(db_tmp_milenage.imsi, sizeof(db_tmp_milenage.imsi),
"%llu", imsi);
os_snprintf(cmd, sizeof(cmd),
- "SELECT ki,opc,amf,sqn FROM milenage WHERE imsi=%llu;",
- imsi);
+ "SELECT * FROM milenage WHERE imsi=%llu;", imsi);
if (sqlite3_exec(sqlite_db, cmd, get_milenage_cb, &db_tmp_milenage,
NULL) != SQLITE_OK)
return NULL;
f = fopen(fname, "r");
if (f == NULL) {
- printf("Could not open GSM tripler data file '%s'\n", fname);
+ printf("Could not open GSM triplet data file '%s'\n", fname);
return -1;
}
}
/* IMSI */
- pos2 = strchr(pos, ':');
- if (pos2 == NULL) {
- printf("%s:%d - Invalid IMSI (%s)\n",
- fname, line, pos);
- ret = -1;
- break;
- }
- *pos2 = '\0';
- if (strlen(pos) >= sizeof(g->imsi)) {
- printf("%s:%d - Too long IMSI (%s)\n",
- fname, line, pos);
+ pos2 = NULL;
+ pos = str_token(buf, ":", &pos2);
+ if (!pos || os_strlen(pos) >= sizeof(g->imsi)) {
+ printf("%s:%d - Invalid IMSI\n", fname, line);
ret = -1;
break;
}
os_strlcpy(g->imsi, pos, sizeof(g->imsi));
- pos = pos2 + 1;
/* Kc */
- pos2 = strchr(pos, ':');
- if (pos2 == NULL) {
- printf("%s:%d - Invalid Kc (%s)\n", fname, line, pos);
- ret = -1;
- break;
- }
- *pos2 = '\0';
- if (strlen(pos) != 16 || hexstr2bin(pos, g->kc, 8)) {
- printf("%s:%d - Invalid Kc (%s)\n", fname, line, pos);
+ pos = str_token(buf, ":", &pos2);
+ if (!pos || os_strlen(pos) != 16 || hexstr2bin(pos, g->kc, 8)) {
+ printf("%s:%d - Invalid Kc\n", fname, line);
ret = -1;
break;
}
- pos = pos2 + 1;
/* SRES */
- pos2 = strchr(pos, ':');
- if (pos2 == NULL) {
- printf("%s:%d - Invalid SRES (%s)\n", fname, line,
- pos);
- ret = -1;
- break;
- }
- *pos2 = '\0';
- if (strlen(pos) != 8 || hexstr2bin(pos, g->sres, 4)) {
- printf("%s:%d - Invalid SRES (%s)\n", fname, line,
- pos);
+ pos = str_token(buf, ":", &pos2);
+ if (!pos || os_strlen(pos) != 8 ||
+ hexstr2bin(pos, g->sres, 4)) {
+ printf("%s:%d - Invalid SRES\n", fname, line);
ret = -1;
break;
}
- pos = pos2 + 1;
/* RAND */
- pos2 = strchr(pos, ':');
- if (pos2)
- *pos2 = '\0';
- if (strlen(pos) != 32 || hexstr2bin(pos, g->_rand, 16)) {
- printf("%s:%d - Invalid RAND (%s)\n", fname, line,
- pos);
+ pos = str_token(buf, ":", &pos2);
+ if (!pos || os_strlen(pos) != 32 ||
+ hexstr2bin(pos, g->_rand, 16)) {
+ printf("%s:%d - Invalid RAND\n", fname, line);
ret = -1;
break;
}
- pos = pos2 + 1;
g->next = gsm_db;
gsm_db = g;
while (fgets(buf, sizeof(buf), f)) {
line++;
- /* Parse IMSI Ki OPc AMF SQN */
+ /* Parse IMSI Ki OPc AMF SQN [RES_len] */
buf[sizeof(buf) - 1] = '\0';
if (buf[0] == '#')
continue;
}
/* IMSI */
- pos2 = strchr(pos, ' ');
- if (pos2 == NULL) {
- printf("%s:%d - Invalid IMSI (%s)\n",
- fname, line, pos);
- ret = -1;
- break;
- }
- *pos2 = '\0';
- if (strlen(pos) >= sizeof(m->imsi)) {
- printf("%s:%d - Too long IMSI (%s)\n",
- fname, line, pos);
+ pos2 = NULL;
+ pos = str_token(buf, " ", &pos2);
+ if (!pos || os_strlen(pos) >= sizeof(m->imsi)) {
+ printf("%s:%d - Invalid IMSI\n", fname, line);
ret = -1;
break;
}
os_strlcpy(m->imsi, pos, sizeof(m->imsi));
- pos = pos2 + 1;
/* Ki */
- pos2 = strchr(pos, ' ');
- if (pos2 == NULL) {
- printf("%s:%d - Invalid Ki (%s)\n", fname, line, pos);
- ret = -1;
- break;
- }
- *pos2 = '\0';
- if (strlen(pos) != 32 || hexstr2bin(pos, m->ki, 16)) {
- printf("%s:%d - Invalid Ki (%s)\n", fname, line, pos);
+ pos = str_token(buf, " ", &pos2);
+ if (!pos || os_strlen(pos) != 32 ||
+ hexstr2bin(pos, m->ki, 16)) {
+ printf("%s:%d - Invalid Ki\n", fname, line);
ret = -1;
break;
}
- pos = pos2 + 1;
/* OPc */
- pos2 = strchr(pos, ' ');
- if (pos2 == NULL) {
- printf("%s:%d - Invalid OPc (%s)\n", fname, line, pos);
- ret = -1;
- break;
- }
- *pos2 = '\0';
- if (strlen(pos) != 32 || hexstr2bin(pos, m->opc, 16)) {
- printf("%s:%d - Invalid OPc (%s)\n", fname, line, pos);
+ pos = str_token(buf, " ", &pos2);
+ if (!pos || os_strlen(pos) != 32 ||
+ hexstr2bin(pos, m->opc, 16)) {
+ printf("%s:%d - Invalid OPc\n", fname, line);
ret = -1;
break;
}
- pos = pos2 + 1;
/* AMF */
- pos2 = strchr(pos, ' ');
- if (pos2 == NULL) {
- printf("%s:%d - Invalid AMF (%s)\n", fname, line, pos);
- ret = -1;
- break;
- }
- *pos2 = '\0';
- if (strlen(pos) != 4 || hexstr2bin(pos, m->amf, 2)) {
- printf("%s:%d - Invalid AMF (%s)\n", fname, line, pos);
+ pos = str_token(buf, " ", &pos2);
+ if (!pos || os_strlen(pos) != 4 || hexstr2bin(pos, m->amf, 2)) {
+ printf("%s:%d - Invalid AMF\n", fname, line);
ret = -1;
break;
}
- pos = pos2 + 1;
/* SQN */
- pos2 = strchr(pos, ' ');
- if (pos2)
- *pos2 = '\0';
- if (strlen(pos) != 12 || hexstr2bin(pos, m->sqn, 6)) {
- printf("%s:%d - Invalid SEQ (%s)\n", fname, line, pos);
+ pos = str_token(buf, " ", &pos2);
+ if (!pos || os_strlen(pos) != 12 ||
+ hexstr2bin(pos, m->sqn, 6)) {
+ printf("%s:%d - Invalid SEQ\n", fname, line);
ret = -1;
break;
}
- pos = pos2 + 1;
+
+ pos = str_token(buf, " ", &pos2);
+ if (pos) {
+ m->res_len = atoi(pos);
+ if (m->res_len &&
+ (m->res_len < EAP_AKA_RES_MIN_LEN ||
+ m->res_len > EAP_AKA_RES_MAX_LEN)) {
+ printf("%s:%d - Invalid RES_len\n",
+ fname, line);
+ ret = -1;
+ break;
+ }
+ }
m->next = milenage_db;
milenage_db = m;
static void update_milenage_file(const char *fname)
{
FILE *f, *f2;
- char buf[500], *pos;
+ char name[500], buf[500], *pos;
char *end = buf + sizeof(buf);
struct milenage_parameters *m;
size_t imsi_len;
return;
}
- snprintf(buf, sizeof(buf), "%s.new", fname);
- f2 = fopen(buf, "w");
+ snprintf(name, sizeof(name), "%s.new", fname);
+ f2 = fopen(name, "w");
if (f2 == NULL) {
- printf("Could not write Milenage data file '%s'\n", buf);
+ printf("Could not write Milenage data file '%s'\n", name);
fclose(f);
return;
}
fclose(f2);
fclose(f);
- snprintf(buf, sizeof(buf), "%s.bak", fname);
- if (rename(fname, buf) < 0) {
+ snprintf(name, sizeof(name), "%s.bak", fname);
+ if (rename(fname, name) < 0) {
perror("rename");
return;
}
- snprintf(buf, sizeof(buf), "%s.new", fname);
- if (rename(buf, fname) < 0) {
+ snprintf(name, sizeof(name), "%s.new", fname);
+ if (rename(name, fname) < 0) {
perror("rename");
return;
}
}
+static int gsm_auth_req(char *imsi, char *resp, size_t resp_len)
+{
+ int count, ret;
+ char *pos, *rpos, *rend;
+ struct milenage_parameters *m;
+
+ resp[0] = '\0';
+
+ pos = os_strchr(imsi, ' ');
+ if (!pos)
+ return -1;
+ *pos++ = '\0';
+
+ rend = resp + resp_len;
+ rpos = resp;
+ ret = os_snprintf(rpos, rend - rpos, "GSM-AUTH-RESP %s", imsi);
+ if (os_snprintf_error(rend - rpos, ret))
+ return -1;
+ rpos += ret;
+
+ m = get_milenage(imsi);
+ if (m) {
+ u8 _rand[16], sres[4], kc[8];
+ for (count = 0; count < EAP_SIM_MAX_CHAL; count++) {
+ if (hexstr2bin(pos, _rand, 16) != 0)
+ return -1;
+ gsm_milenage(m->opc, m->ki, _rand, sres, kc);
+ *rpos++ = count == 0 ? ' ' : ':';
+ rpos += wpa_snprintf_hex(rpos, rend - rpos, kc, 8);
+ *rpos++ = ':';
+ rpos += wpa_snprintf_hex(rpos, rend - rpos, sres, 4);
+ pos += 16 * 2;
+ if (*pos != ':')
+ break;
+ pos++;
+ }
+ *rpos = '\0';
+ return 0;
+ }
+
+ printf("No GSM triplets found for %s\n", imsi);
+ ret = os_snprintf(rpos, rend - rpos, " FAILURE");
+ if (os_snprintf_error(rend - rpos, ret))
+ return -1;
+ rpos += ret;
+
+ return 0;
+}
+
+
static void inc_sqn(u8 *sqn)
{
u64 val, seq, ind;
}
milenage_generate(m->opc, m->amf, m->ki, m->sqn, _rand,
autn, ik, ck, res, &res_len);
+ if (m->res_len >= EAP_AKA_RES_MIN_LEN &&
+ m->res_len <= EAP_AKA_RES_MAX_LEN &&
+ m->res_len < res_len)
+ res_len = m->res_len;
} else {
printf("Unknown IMSI: %s\n", imsi);
#ifdef AKA_USE_FIXED_TEST_VALUES
if (os_strncmp(cmd, "SIM-REQ-AUTH ", 13) == 0)
return sim_req_auth(cmd + 13, resp, resp_len);
+ if (os_strncmp(cmd, "GSM-AUTH-REQ ", 13) == 0)
+ return gsm_auth_req(cmd + 13, resp, resp_len);
+
if (os_strncmp(cmd, "AKA-REQ-AUTH ", 13) == 0)
return aka_req_auth(cmd + 13, resp, resp_len);
{
printf("HLR/AuC testing gateway for hostapd EAP-SIM/AKA "
"database/authenticator\n"
- "Copyright (c) 2005-2007, 2012-2013, Jouni Malinen <j@w1.fi>\n"
+ "Copyright (c) 2005-2017, Jouni Malinen <j@w1.fi>\n"
"\n"
"usage:\n"
"hlr_auc_gw [-hu] [-s<socket path>] [-g<triplet file>] "
projects / thirdparty / hostap.git / blobdiff