mirror of
https://github.com/vanhauser-thc/thc-hydra.git
synced 2024-10-17 22:40:20 -07:00
337 lines
11 KiB
C
337 lines
11 KiB
C
#include "hydra-mod.h"
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#include "sasl.h"
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extern char *HYDRA_EXIT;
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static int32_t http_proxy_auth_mechanism = AUTH_ERROR;
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char *http_proxy_buf = NULL;
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int32_t start_http_proxy(int32_t s, char *ip, int32_t port, unsigned char options, char *miscptr, FILE *fp, char *hostname) {
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char *empty = "";
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char *login, *pass, buffer[5000], buffer2[4500];
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char url[510], host[60];
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char *header = ""; /* XXX TODO */
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char *ptr, *fooptr, *auth_hdr;
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if (strlen(login = hydra_get_next_login()) == 0)
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login = empty;
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if (strlen(pass = hydra_get_next_password()) == 0)
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pass = empty;
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if (miscptr == NULL) {
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strcpy(url, "http://www.microsoft.com/");
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strcpy(host, "Host: www.microsoft.com\r\n");
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} else {
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sprintf(url, "%.500s", miscptr);
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ptr = strstr(miscptr, "://"); // :// check is in hydra.c
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sprintf(host, "Host: %.50s", ptr + 3);
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if ((ptr = strchr(host, '/')) != NULL)
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*ptr = 0;
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if ((ptr = strchr(host + 6, ':')) != NULL && host[0] != '[')
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*ptr = 0;
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strcat(host, "\r\n");
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}
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if (http_proxy_auth_mechanism != AUTH_BASIC && (http_proxy_auth_mechanism == AUTH_ERROR || http_proxy_buf == NULL)) {
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// send dummy request
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sprintf(buffer, "GET %s HTTP/1.0\r\n%sUser-Agent: Mozilla/4.0 (Hydra)\r\n%s\r\n", url, host, header);
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if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
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return 3;
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// receive first 40x
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http_proxy_buf = hydra_receive_line(s);
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while (http_proxy_buf != NULL && strstr(http_proxy_buf, "HTTP/") == NULL) {
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free(http_proxy_buf);
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http_proxy_buf = hydra_receive_line(s);
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}
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if (http_proxy_buf == NULL) {
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if (verbose)
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hydra_report(stderr, "[ERROR] Server did not answer\n");
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return 3;
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}
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if (debug) {
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hydra_report(stderr, "S:%-.*s\n", (int)(strchr(http_proxy_buf, '\r') - http_proxy_buf), http_proxy_buf);
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}
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while (http_proxy_buf != NULL && (auth_hdr = hydra_strcasestr(http_proxy_buf, "Proxy-Authenticate:")) == NULL) {
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free(http_proxy_buf);
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http_proxy_buf = hydra_receive_line(s);
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}
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if (auth_hdr == NULL) {
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if (verbose)
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hydra_report(stderr, "[ERROR] Proxy seems not to require authentication\n");
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return 3;
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}
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if (debug) {
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hydra_report(stderr, "S:%-.*s\n", (int)(strchr(auth_hdr, '\r') - auth_hdr), auth_hdr);
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}
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// after the first query we should have been disconnected from web server
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s = hydra_disconnect(s);
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if ((options & OPTION_SSL) == 0) {
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s = hydra_connect_tcp(ip, port);
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} else {
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s = hydra_connect_ssl(ip, port, hostname);
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}
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}
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if (http_proxy_auth_mechanism == AUTH_BASIC || hydra_strcasestr(auth_hdr, "Proxy-Authenticate: Basic") != NULL) {
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http_proxy_auth_mechanism = AUTH_BASIC;
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auth_hdr = NULL;
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sprintf(buffer2, "%.50s:%.50s", login, pass);
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hydra_tobase64((unsigned char *)buffer2, strlen(buffer2), sizeof(buffer2));
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sprintf(buffer,
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"GET %s HTTP/1.0\r\n%sProxy-Authorization: Basic %s\r\nUser-Agent: "
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"Mozilla/4.0 (Hydra)\r\n%s\r\n",
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url, host, buffer2, header);
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if (debug)
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hydra_report(stderr, "C:%s\n", buffer);
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if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
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return 3;
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free(http_proxy_buf);
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http_proxy_buf = hydra_receive_line(s);
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while (http_proxy_buf != NULL && strstr(http_proxy_buf, "HTTP/1.") == NULL) {
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free(http_proxy_buf);
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http_proxy_buf = hydra_receive_line(s);
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}
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// if server cut the connection, just exit cleanly or
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// this will be an infinite loop
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if (http_proxy_buf == NULL) {
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if (verbose)
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hydra_report(stderr, "[ERROR] Server did not answer\n");
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return 3;
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}
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if (debug) {
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hydra_report(stderr, "S:%-.*s\n", (int)(strchr(http_proxy_buf, '\r') - http_proxy_buf), http_proxy_buf);
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}
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} else {
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if (http_proxy_auth_mechanism == AUTH_NTLM || hydra_strcasestr(auth_hdr, "Proxy-Authenticate: NTLM") != NULL) {
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unsigned char buf1[4096];
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unsigned char buf2[4096];
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char *pos = NULL;
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http_proxy_auth_mechanism = AUTH_NTLM;
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auth_hdr = NULL;
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// send auth and receive challenge
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// send auth request: let the server send it's own hostname and domainname
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buildAuthRequest((tSmbNtlmAuthRequest *)buf2, 0, NULL, NULL);
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to64frombits(buf1, buf2, SmbLength((tSmbNtlmAuthRequest *)buf2));
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/* to be portable, no snprintf, buffer is big enough so it can't overflow
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*/
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// send the first..
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sprintf(buffer,
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"GET %s HTTP/1.0\r\n%sProxy-Authorization: NTLM %s\r\nUser-Agent: "
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"Mozilla/4.0 (Hydra)\r\nProxy-Connection: keep-alive\r\n%s\r\n",
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url, host, buf1, header);
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if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
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return 3;
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// receive challenge
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free(http_proxy_buf);
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http_proxy_buf = hydra_receive_line(s);
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while (http_proxy_buf != NULL && (pos = hydra_strcasestr(http_proxy_buf, "Proxy-Authenticate: NTLM ")) == NULL) {
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free(http_proxy_buf);
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http_proxy_buf = hydra_receive_line(s);
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}
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if (pos != NULL) {
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char *str;
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pos += 25;
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if ((str = strchr(pos, '\r')) != NULL) {
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pos[str - pos] = 0;
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}
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if ((str = strchr(pos, '\n')) != NULL) {
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pos[str - pos] = 0;
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}
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}
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// recover challenge
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if (http_proxy_buf != NULL && strlen(http_proxy_buf) >= 4) {
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from64tobits((char *)buf1, pos);
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free(http_proxy_buf);
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http_proxy_buf = NULL;
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return 3;
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}
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// Send response
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buildAuthResponse((tSmbNtlmAuthChallenge *)buf1, (tSmbNtlmAuthResponse *)buf2, 0, login, pass, NULL, NULL);
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to64frombits(buf1, buf2, SmbLength((tSmbNtlmAuthResponse *)buf2));
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sprintf(buffer,
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"GET %s HTTP/1.0\r\n%sProxy-Authorization: NTLM %s\r\nUser-Agent: "
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"Mozilla/4.0 (Hydra)\r\nProxy-Connection: keep-alive\r\n%s\r\n",
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url, host, buf1, header);
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if (debug)
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hydra_report(stderr, "C:%s\n", buffer);
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if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
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return 3;
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if (http_proxy_buf != NULL)
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free(http_proxy_buf);
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http_proxy_buf = hydra_receive_line(s);
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while (http_proxy_buf != NULL && strstr(http_proxy_buf, "HTTP/1.") == NULL) {
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free(http_proxy_buf);
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http_proxy_buf = hydra_receive_line(s);
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}
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if (http_proxy_buf == NULL)
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return 3;
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} else {
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#ifdef LIBOPENSSL
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if (hydra_strcasestr(auth_hdr, "Proxy-Authenticate: Digest") != NULL) {
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char *pbuffer, *result;
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http_proxy_auth_mechanism = AUTH_DIGESTMD5;
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auth_hdr = NULL;
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pbuffer = hydra_strcasestr(http_proxy_buf, "Proxy-Authenticate: Digest ");
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strncpy(buffer, pbuffer + strlen("Proxy-Authenticate: Digest "), sizeof(buffer));
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buffer[sizeof(buffer) - 1] = '\0';
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pbuffer = NULL;
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fooptr = buffer2;
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result = sasl_digest_md5(fooptr, login, pass, buffer, miscptr, "proxy", host, 0, header);
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if (result == NULL)
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return 3;
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if (debug)
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hydra_report(stderr, "C:%s\n", buffer2);
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if (hydra_send(s, buffer2, strlen(buffer2), 0) < 0)
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return 3;
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free(http_proxy_buf);
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http_proxy_buf = hydra_receive_line(s);
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while (http_proxy_buf != NULL && strstr(http_proxy_buf, "HTTP/1.") == NULL) {
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free(http_proxy_buf);
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http_proxy_buf = hydra_receive_line(s);
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}
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if (debug && http_proxy_buf != NULL) {
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hydra_report(stderr, "S:%-.*s\n", (int)(strchr(http_proxy_buf, '\r') - http_proxy_buf), http_proxy_buf);
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}
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if (http_proxy_buf == NULL)
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return 3;
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} else
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#endif
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{
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if (auth_hdr != NULL) {
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// buf[strlen(http_proxy_buf) - 1] = '\0';
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hydra_report(stderr, "Unsupported Auth type:\n%-.*s\n", (int)(strchr(http_proxy_buf, '\r') - auth_hdr), auth_hdr);
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auth_hdr = NULL;
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free(http_proxy_buf);
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http_proxy_buf = NULL;
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} else {
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hydra_report(stderr, "Unsupported Auth type\n");
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}
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return 3;
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}
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}
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}
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ptr = ((char *)strchr(http_proxy_buf, ' ')) + 1;
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if (*ptr == '2' || (*ptr == '3' && *(ptr + 2) == '1') || (*ptr == '3' && *(ptr + 2) == '2') || (*ptr == '4' && *(ptr + 2) == '4')) {
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hydra_report_found_host(port, ip, "http-proxy", fp);
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hydra_completed_pair_found();
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free(http_proxy_buf);
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http_proxy_buf = NULL;
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} else {
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if (*ptr != '4')
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hydra_report(stderr, "[INFO] Unusual return code: %c for %s:%s\n", (char)*(strchr(http_proxy_buf, ' ') + 1), login, pass);
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else if (verbose && *(ptr + 2) == '3')
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hydra_report(stderr, "[INFO] Potential success, could be false positive: %s:%s\n", login, pass);
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hydra_completed_pair();
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free(http_proxy_buf);
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http_proxy_buf = hydra_receive_line(s);
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while (http_proxy_buf != NULL && hydra_strcasestr(http_proxy_buf, "Proxy-Authenticate:") == NULL) {
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free(http_proxy_buf);
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http_proxy_buf = hydra_receive_line(s);
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}
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}
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if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
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return 3;
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if (http_proxy_buf != NULL)
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return 2;
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else
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return 1;
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}
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void service_http_proxy(char *ip, int32_t sp, unsigned char options, char *miscptr, FILE *fp, int32_t port, char *hostname) {
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int32_t run = 1, next_run = 1, sock = -1;
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int32_t myport = PORT_HTTP_PROXY, mysslport = PORT_HTTP_PROXY_SSL;
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hydra_register_socket(sp);
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if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
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return;
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while (1) {
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next_run = 0;
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switch (run) {
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case 1: /* connect and service init function */
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{
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if (http_proxy_buf != NULL)
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free(http_proxy_buf);
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if (sock >= 0)
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sock = hydra_disconnect(sock);
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// usleepn(275);
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if ((options & OPTION_SSL) == 0) {
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if (port != 0)
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myport = port;
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sock = hydra_connect_tcp(ip, myport);
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port = myport;
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} else {
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if (port != 0)
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mysslport = port;
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sock = hydra_connect_ssl(ip, mysslport, hostname);
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port = mysslport;
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}
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if (sock < 0) {
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if (quiet != 1)
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fprintf(stderr, "[ERROR] Child with pid %d terminating, can not connect\n", (int32_t)getpid());
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hydra_child_exit(1);
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}
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next_run = 2;
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break;
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}
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case 2: /* run the cracking function */
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next_run = start_http_proxy(sock, ip, port, options, miscptr, fp, hostname);
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break;
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case 3: /* clean exit */
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if (sock >= 0)
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sock = hydra_disconnect(sock);
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hydra_child_exit(0);
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return;
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default:
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fprintf(stderr, "[ERROR] Caught unknown return code, exiting!\n");
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hydra_child_exit(0);
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}
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run = next_run;
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}
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}
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int32_t service_http_proxy_init(char *ip, int32_t sp, unsigned char options, char *miscptr, FILE *fp, int32_t port, char *hostname) {
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// called before the childrens are forked off, so this is the function
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// which should be filled if initial connections and service setup has to be
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// performed once only.
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//
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// fill if needed.
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//
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// return codes:
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// 0 all OK
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// -1 error, hydra will exit, so print a good error message here
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return 0;
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}
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void usage_http_proxy(const char *service) {
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printf("Module http-proxy is optionally taking the page to authenticate at.\n"
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"Default is http://www.microsoft.com/)\n"
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"Basic, DIGEST-MD5 and NTLM are supported and negotiated "
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"automatically.\n\n");
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}
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