int start_pop3(int s, char *ip, int port, unsigned char options, char *miscptr, FILE * fp) {
char *empty = "\"\"";
char *login, *pass, buffer[500], buffer2[500];
if (strlen(login = hydra_get_next_login()) == 0)
login = empty;
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
while (hydra_data_ready(s) > 0) {
if ((buf = hydra_receive_line(s)) == NULL)
return 4;
free(buf);
}
switch (p->pop3_auth_mechanism) {
#ifdef LIBOPENSSL
case AUTH_APOP:{
MD5_CTX c;
unsigned char md5_raw[MD5_DIGEST_LENGTH];
int i;
char *pbuffer = buffer2;
MD5_Init(&c);
MD5_Update(&c, apop_challenge, strlen(apop_challenge));
MD5_Update(&c, pass, strlen(pass));
MD5_Final(md5_raw, &c);
for (i = 0; i < MD5_DIGEST_LENGTH; i++) {
sprintf(pbuffer, "%02x", md5_raw[i]);
pbuffer += 2;
}
sprintf(buffer, "APOP %s %s\r\n", login, buffer2);
}
break;
#endif
case AUTH_LOGIN:{
sprintf(buffer, "AUTH LOGIN\r\n");
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
if ((buf = hydra_receive_line(s)) == NULL)
return 4;
if (buf[0] != '+') {
hydra_report(stderr, "[ERROR] POP3 LOGIN AUTH : %s\n", buf);
free(buf);
return 3;
}
free(buf);
strcpy(buffer2, login);
hydra_tobase64((unsigned char *) buffer2, strlen(buffer2), sizeof(buffer2));
sprintf(buffer, "%.250s\r\n", buffer2);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
if ((buf = hydra_receive_line(s)) == NULL)
return 4;
if (buf[0] != '+') {
hydra_report(stderr, "[ERROR] POP3 LOGIN AUTH : %s\n", buf);
free(buf);
return 3;
}
free(buf);
strcpy(buffer2, pass);
hydra_tobase64((unsigned char *) buffer2, strlen(buffer2), sizeof(buffer2));
sprintf(buffer, "%.250s\r\n", buffer2);
}
break;
case AUTH_PLAIN:{
sprintf(buffer, "AUTH PLAIN\r\n");
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
if ((buf = hydra_receive_line(s)) == NULL)
return 4;
if (buf[0] != '+') {
hydra_report(stderr, "[ERROR] POP3 PLAIN AUTH : %s\n", buf);
free(buf);
return 3;
}
free(buf);
memset(buffer, 0, sizeof(buffer));
sasl_plain(buffer, login, pass);
sprintf(buffer, "%.250s\r\n", buffer);
}
break;
#ifdef LIBOPENSSL
case AUTH_CRAMMD5:
case AUTH_CRAMSHA1:
case AUTH_CRAMSHA256:{
int rc = 0;
char *preplogin;
rc = sasl_saslprep(login, SASL_ALLOW_UNASSIGNED, &preplogin);
if (rc) {
return 3;
}
switch (p->pop3_auth_mechanism) {
case AUTH_CRAMMD5:
sprintf(buffer, "AUTH CRAM-MD5\r\n");
break;
case AUTH_CRAMSHA1:
sprintf(buffer, "AUTH CRAM-SHA1\r\n");
break;
case AUTH_CRAMSHA256:
sprintf(buffer, "AUTH CRAM-SHA256\r\n");
break;
}
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
//get the one-time BASE64 encoded challenge
if ((buf = hydra_receive_line(s)) == NULL)
return 4;
if (buf[0] != '+') {
switch (p->pop3_auth_mechanism) {
case AUTH_CRAMMD5:
hydra_report(stderr, "[ERROR] POP3 CRAM-MD5 AUTH : %s\n", buf);
break;
case AUTH_CRAMSHA1:
hydra_report(stderr, "[ERROR] POP3 CRAM-SHA1 AUTH : %s\n", buf);
break;
case AUTH_CRAMSHA256:
hydra_report(stderr, "[ERROR] POP3 CRAM-SHA256 AUTH : %s\n", buf);
break;
}
free(buf);
return 3;
}
memset(buffer, 0, sizeof(buffer));
from64tobits((char *) buffer, buf + 2);
free(buf);
memset(buffer2, 0, sizeof(buffer2));
switch (p->pop3_auth_mechanism) {
case AUTH_CRAMMD5:{
sasl_cram_md5(buffer2, pass, buffer);
sprintf(buffer, "%s %.250s", preplogin, buffer2);
}
break;
case AUTH_CRAMSHA1:{
sasl_cram_sha1(buffer2, pass, buffer);
sprintf(buffer, "%s %.250s", preplogin, buffer2);
}
break;
case AUTH_CRAMSHA256:{
sasl_cram_sha256(buffer2, pass, buffer);
sprintf(buffer, "%s %.250s", preplogin, buffer2);
}
break;
}
hydra_tobase64((unsigned char *) buffer, strlen(buffer), sizeof(buffer));
sprintf(buffer, "%.250s\r\n", buffer);
free(preplogin);
}
break;
case AUTH_DIGESTMD5:{
sprintf(buffer, "AUTH DIGEST-MD5\r\n");
if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
return 1;
//receive
if ((buf = hydra_receive_line(s)) == NULL)
return 4;
if (buf[0] != '+') {
hydra_report(stderr, "[ERROR] POP3 DIGEST-MD5 AUTH : %s\n", buf);
free(buf);
return 3;
}
memset(buffer, 0, sizeof(buffer));
from64tobits((char *) buffer, buf);
free(buf);
if (verbose)
hydra_report(stderr, "[VERBOSE] S: %s\n", buffer);
sasl_digest_md5(buffer2, login, pass, buffer, miscptr, "pop", NULL, 0, NULL);
if (buffer2 == NULL)
return 3;
if (verbose)
hydra_report(stderr, "[VERBOSE] C: %s\n", buffer2);
hydra_tobase64((unsigned char *) buffer2, strlen(buffer2), sizeof(buffer2));
sprintf(buffer, "%s\r\n", buffer2);
}
break;
#endif
case AUTH_NTLM:{
unsigned char buf1[4096];
unsigned char buf2[4096];
//Send auth request
sprintf(buffer, "AUTH NTLM\r\n");
if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
return 1;
//receive
if ((buf = hydra_receive_line(s)) == NULL)
return 4;
if (buf[0] != '+') {
hydra_report(stderr, "[ERROR] POP3 NTLM AUTH : %s\n", buf);
free(buf);
return 3;
}
free(buf);
//send auth and receive challenge
//send auth request: lst the server send it's own hostname and domainname
buildAuthRequest((tSmbNtlmAuthRequest *) buf2, 0, NULL, NULL);
to64frombits(buf1, buf2, SmbLength((tSmbNtlmAuthRequest *) buf2));
sprintf(buffer, "%s\r\n", buf1);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
return 1;
if ((buf = hydra_receive_line(s)) == NULL)
return 4;
//recover challenge
from64tobits((char *) buf1, buf + 2);
free(buf);
//Send response
buildAuthResponse((tSmbNtlmAuthChallenge *) buf1, (tSmbNtlmAuthResponse *) buf2, 0, login, pass, NULL, NULL);
to64frombits(buf1, buf2, SmbLength((tSmbNtlmAuthResponse *) buf2));
sprintf(buffer, "%s\r\n", buf1);
}
break;
default:
sprintf(buffer, "USER %.250s\r\n", login);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
if ((buf = hydra_receive_line(s)) == NULL)
return 4;
if (buf[0] != '+') {
hydra_report(stderr, "[ERROR] POP3 protocol or service shutdown: %s\n", buf);
free(buf);
return (3);
}
free(buf);
sprintf(buffer, "PASS %.250s\r\n", pass);
}
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
if ((buf = hydra_receive_line(s)) == NULL) {
return 4;
}
if (buf[0] == '+') {
hydra_report_found_host(port, ip, "pop3", fp);
hydra_completed_pair_found();
free(buf);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
return 1;
}
/* special AS/400 hack */
if (strstr(buf, "CPF2204") != NULL || strstr(buf, "CPF22E3") != NULL || strstr(buf, "CPF22E4") != NULL || strstr(buf, "CPF22E5") != NULL) {
hydra_completed_pair_skip();
free(buf);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
return 1;
}
free(buf);
hydra_completed_pair();
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
return 2;
}
int start_imap(int s, char *ip, int port, unsigned char options, char *miscptr, FILE * fp) {
char *empty = "";
char *login, *pass, buffer[500], buffer2[500];
if (strlen(login = hydra_get_next_login()) == 0)
login = empty;
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
while (hydra_data_ready(s)) {
if ((buf = hydra_receive_line(s)) == NULL)
return (1);
free(buf);
}
switch (imap_auth_mechanism) {
case AUTH_LOGIN:
sprintf(buffer, "%d AUTHENTICATE LOGIN\r\n", counter);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
if ((buf = hydra_receive_line(s)) == NULL)
return 1;
if (strstr(buf, " NO ") != NULL || strstr(buf, "failed") != NULL || strstr(buf, " BAD ") != NULL) {
hydra_report(stderr, "[ERROR] IMAP LOGIN AUTH : %s\n", buf);
free(buf);
return 3;
}
free(buf);
strcpy(buffer2, login);
hydra_tobase64((unsigned char *) buffer2, strlen(buffer2), sizeof(buffer2));
sprintf(buffer, "%.250s\r\n", buffer2);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
if ((buf = hydra_receive_line(s)) == NULL)
return 1;
if (strstr(buf, " NO ") != NULL || strstr(buf, "failed") != NULL || strstr(buf, " BAD ") != NULL) {
hydra_report(stderr, "[ERROR] IMAP LOGIN AUTH : %s\n", buf);
free(buf);
return 3;
}
free(buf);
strcpy(buffer2, pass);
hydra_tobase64((unsigned char *) buffer2, strlen(buffer2), sizeof(buffer2));
sprintf(buffer, "%.250s\r\n", buffer2);
break;
case AUTH_PLAIN:
sprintf(buffer, "%d AUTHENTICATE PLAIN\r\n", counter);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
if ((buf = hydra_receive_line(s)) == NULL)
return 1;
if (strstr(buf, " NO ") != NULL || strstr(buf, "failed") != NULL || strstr(buf, " BAD ") != NULL) {
hydra_report(stderr, "[ERROR] IMAP PLAIN AUTH : %s\n", buf);
free(buf);
return 3;
}
free(buf);
memset(buffer, 0, sizeof(buffer));
sasl_plain(buffer, login, pass);
sprintf(buffer, "%.250s\r\n", buffer);
break;
#ifdef LIBOPENSSLNEW
case AUTH_CRAMMD5:
case AUTH_CRAMSHA1:
case AUTH_CRAMSHA256:{
int rc = 0;
char *preplogin;
rc = sasl_saslprep(login, SASL_ALLOW_UNASSIGNED, &preplogin);
if (rc) {
return 3;
}
switch (imap_auth_mechanism) {
case AUTH_CRAMMD5:
sprintf(buffer, "%d AUTHENTICATE CRAM-MD5\r\n", counter);
break;
case AUTH_CRAMSHA1:
sprintf(buffer, "%d AUTHENTICATE CRAM-SHA1\r\n", counter);
break;
case AUTH_CRAMSHA256:
sprintf(buffer, "%d AUTHENTICATE CRAM-SHA256\r\n", counter);
break;
}
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
//get the one-time BASE64 encoded challenge
if ((buf = hydra_receive_line(s)) == NULL)
return 1;
if (strstr(buf, " NO ") != NULL || strstr(buf, "failed") != NULL || strstr(buf, " BAD ") != NULL || strstr(buf, "BYE") != NULL) {
switch (imap_auth_mechanism) {
case AUTH_CRAMMD5:
hydra_report(stderr, "[ERROR] IMAP CRAM-MD5 AUTH : %s\n", buf);
break;
case AUTH_CRAMSHA1:
hydra_report(stderr, "[ERROR] IMAP CRAM-SHA1 AUTH : %s\n", buf);
break;
case AUTH_CRAMSHA256:
hydra_report(stderr, "[ERROR] IMAP CRAM-SHA256 AUTH : %s\n", buf);
break;
}
free(buf);
return 3;
}
memset(buffer, 0, sizeof(buffer));
from64tobits((char *) buffer, buf + 2);
free(buf);
memset(buffer2, 0, sizeof(buffer2));
switch (imap_auth_mechanism) {
case AUTH_CRAMMD5:{
sasl_cram_md5(buffer2, pass, buffer);
sprintf(buffer, "%s %.250s", preplogin, buffer2);
}
break;
case AUTH_CRAMSHA1:{
sasl_cram_sha1(buffer2, pass, buffer);
sprintf(buffer, "%s %.250s", preplogin, buffer2);
}
break;
case AUTH_CRAMSHA256:{
sasl_cram_sha256(buffer2, pass, buffer);
sprintf(buffer, "%s %.250s", preplogin, buffer2);
}
break;
}
hydra_tobase64((unsigned char *) buffer, strlen(buffer), sizeof(buffer));
sprintf(buffer, "%.250s\r\n", buffer);
free(preplogin);
}
break;
case AUTH_DIGESTMD5:{
sprintf(buffer, "%d AUTHENTICATE DIGEST-MD5\r\n", counter);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
return 1;
//receive
if ((buf = hydra_receive_line(s)) == NULL)
return 1;
if (strstr(buf, " NO ") != NULL || strstr(buf, "failed") != NULL || strstr(buf, " BAD ") != NULL || strstr(buf, "BYE") != NULL) {
hydra_report(stderr, "[ERROR] IMAP DIGEST-MD5 AUTH : %s\n", buf);
free(buf);
return 3;
}
memset(buffer, 0, sizeof(buffer));
from64tobits((char *) buffer, buf);
free(buf);
if (verbose)
hydra_report(stderr, "DEBUG S: %s\n", buffer);
sasl_digest_md5(buffer2, login, pass, buffer, miscptr, "imap", NULL, 0, NULL);
if (buffer2 == NULL)
return 3;
if (verbose)
hydra_report(stderr, "DEBUG C: %s\n", buffer2);
hydra_tobase64((unsigned char *) buffer2, strlen(buffer2), sizeof(buffer2));
sprintf(buffer, "%s\r\n", buffer2);
}
break;
case AUTH_SCRAMSHA1:{
char clientfirstmessagebare[200];
char serverfirstmessage[200];
char *preplogin;
int rc = sasl_saslprep(login, SASL_ALLOW_UNASSIGNED, &preplogin);
if (rc) {
return 3;
}
sprintf(buffer, "%d AUTHENTICATE SCRAM-SHA-1\r\n", counter);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
if ((buf = hydra_receive_line(s)) == NULL)
return 1;
if (strstr(buf, " NO ") != NULL || strstr(buf, "failed") != NULL || strstr(buf, " BAD ") != NULL || strstr(buf, "BYE") != NULL) {
hydra_report(stderr, "[ERROR] IMAP SCRAM-SHA1 AUTH : %s\n", buf);
free(buf);
return 3;
}
free(buf);
snprintf(clientfirstmessagebare, sizeof(clientfirstmessagebare), "n=%s,r=hydra", preplogin);
free(preplogin);
memset(buffer2, 0, sizeof(buffer2));
sprintf(buffer2, "n,,%.200s", clientfirstmessagebare);
hydra_tobase64((unsigned char *) buffer2, strlen(buffer2), sizeof(buffer2));
snprintf(buffer, sizeof(buffer), "%s\r\n", buffer2);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
buf = hydra_receive_line(s);
if (buf == NULL)
return 1;
if (strstr(buf, " NO ") != NULL || strstr(buf, "failed") != NULL || strstr(buf, " BAD ") != NULL || strstr(buf, "BYE") != NULL) {
if (verbose || debug) hydra_report(stderr, "[ERROR] Not a valid server challenge\n");
free(buf);
return 1;
} else {
/* recover server challenge */
memset(buffer, 0, sizeof(buffer));
//+ cj1oeWRyYU9VNVZqcHQ5RjNqcmVXRVFWTCxzPWhGbTNnRGw0akdidzJVVHosaT00MDk2
from64tobits((char *) buffer, buf + 2);
free(buf);
strncpy(serverfirstmessage, buffer, sizeof(serverfirstmessage) - 1);
serverfirstmessage[sizeof(serverfirstmessage) - 1] = '\0';
memset(buffer2, 0, sizeof(buffer2));
sasl_scram_sha1(buffer2, pass, clientfirstmessagebare, serverfirstmessage);
if (buffer2 == NULL) {
hydra_report(stderr, "[ERROR] Can't compute client response\n");
return 1;
}
hydra_tobase64((unsigned char *) buffer2, strlen(buffer2), sizeof(buffer2));
sprintf(buffer, "%s\r\n", buffer2);
}
}
break;
#endif
case AUTH_NTLM:{
unsigned char buf1[4096];
unsigned char buf2[4096];
//Send auth request
sprintf(buffer, "%d AUTHENTICATE NTLM\r\n", counter);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
return 1;
//receive
if ((buf = hydra_receive_line(s)) == NULL)
return 1;
if (strstr(buf, " NO ") != NULL || strstr(buf, "failed") != NULL || strstr(buf, " BAD ") != NULL || strstr(buf, "BYE") != NULL) {
hydra_report(stderr, "[ERROR] IMAP NTLM AUTH : %s\n", buf);
free(buf);
return 3;
}
free(buf);
//send auth and receive challenge
//send auth request: lst the server send it's own hostname and domainname
buildAuthRequest((tSmbNtlmAuthRequest *) buf2, 0, NULL, NULL);
to64frombits(buf1, buf2, SmbLength((tSmbNtlmAuthRequest *) buf2));
sprintf(buffer, "%s\r\n", buf1);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
return 1;
if ((buf = hydra_receive_line(s)) == NULL)
return (1);
//recover challenge
from64tobits((char *) buf1, buf + 2);
free(buf);
//Send response
buildAuthResponse((tSmbNtlmAuthChallenge *) buf1, (tSmbNtlmAuthResponse *) buf2, 0, login, pass, NULL, NULL);
to64frombits(buf1, buf2, SmbLength((tSmbNtlmAuthResponse *) buf2));
sprintf(buffer, "%s\r\n", buf1);
}
break;
default:
//clear authentication
sprintf(buffer, "%d LOGIN \"%.100s\" \"%.100s\"\r\n", counter, login, pass);
}
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
if ((buf = hydra_receive_line(s)) == NULL)
return (1);
if (strstr(buf, " NO ") != NULL || strstr(buf, "failed") != NULL || strstr(buf, " BAD ") != NULL || strstr(buf, "BYE") != NULL) {
if (verbose)
hydra_report(stderr, "[ERROR] %s\n", buf);
free(buf);
hydra_completed_pair();
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
if (counter == 4)
return 1;
return (2);
}
free(buf);
hydra_report_found_host(port, ip, "imap", fp);
hydra_completed_pair_found();
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
return 1;
}
