mirror of
https://github.com/vanhauser-thc/thc-hydra.git
synced 2025-03-12 04:36:23 -07:00
294 lines
9.6 KiB
C
294 lines
9.6 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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char *buf;
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static int http_proxy_auth_mechanism = AUTH_ERROR;
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int start_http_proxy_urlenum(int s, char *ip, int port, unsigned char options, char *miscptr, FILE * fp, char *hostname) {
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char *empty = "";
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char *login, *pass, buffer[500], buffer2[500], mlogin[260], mpass[260], mhost[260];
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char url[260], host[30];
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char *header = ""; /* XXX TODO */
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char *ptr;
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int auth = 0;
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login = hydra_get_next_login();
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if (login == NULL || strlen(login) == 0 || strstr(login, "://") == NULL) {
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hydra_completed_pair();
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return 1;
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}
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pass = hydra_get_next_password();
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pass = empty; // ignored
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strncpy(url, login, sizeof(url) - 1);
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url[sizeof(url) - 1] = 0;
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ptr = strstr(login, "://") + 3;
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if (ptr[0] == '[')
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ptr++;
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strncpy(mhost, ptr, sizeof(mhost) - 1);
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mhost[sizeof(mhost) - 1] = 0;
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if ((ptr = index(mhost, '/')) != NULL)
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*ptr = 0;
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if ((ptr = index(mhost, ']')) != NULL)
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*ptr = 0;
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else if ((ptr = index(mhost, ':')) != NULL)
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*ptr = 0;
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if (miscptr != NULL && index(miscptr, ':') != NULL) {
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strncpy(mlogin, miscptr, sizeof(mlogin) - 1);
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mlogin[sizeof(mlogin) - 1] = 0;
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ptr = index(mlogin, ':');
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*ptr++ = 0;
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strncpy(mpass, ptr, sizeof(mpass) - 1);
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mpass[sizeof(mpass) - 1] = 0;
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auth = 1;
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}
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if (http_proxy_auth_mechanism == AUTH_ERROR) {
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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, mhost, header);
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if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
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return 1;
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//receive first 40x
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buf = hydra_receive_line(s);
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while (buf != NULL && strstr(buf, "HTTP/") == NULL) {
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free(buf);
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buf = hydra_receive_line(s);
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}
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if (debug)
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hydra_report(stderr, "S:%s\n", buf);
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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 (auth) {
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if (hydra_strcasestr(buf, "Proxy-Authenticate: Basic") != NULL) {
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http_proxy_auth_mechanism = AUTH_BASIC;
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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, "GET %s HTTP/1.0\r\n%sProxy-Authorization: Basic %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\n%s\r\n", 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 1;
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free(buf);
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buf = hydra_receive_line(s);
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while (buf != NULL && strstr(buf, "HTTP/1.") == NULL) {
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free(buf);
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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 (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", buf);
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} else {
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if (hydra_strcasestr(buf, "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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//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 cant overflow */
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//send the first..
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sprintf(buffer, "GET %s HTTP/1.0\r\n%sProxy-Authorization: NTLM %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\nProxy-Connection: keep-alive\r\n%s\r\n", url, host, buf1,
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header);
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if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
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return 1;
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//receive challenge
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free(buf);
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buf = hydra_receive_line(s);
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while (buf != NULL && (pos = hydra_strcasestr(buf, "Proxy-Authenticate: NTLM ")) == NULL) {
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free(buf);
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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 (buf != NULL) {
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if (strlen(buf) >= 4)
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from64tobits((char *) buf1, pos);
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free(buf);
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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, "GET %s HTTP/1.0\r\n%sProxy-Authorization: NTLM %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\nProxy-Connection: keep-alive\r\n%s\r\n", url, host, buf1,
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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 1;
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buf = hydra_receive_line(s);
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while (buf != NULL && strstr(buf, "HTTP/1.") == NULL) {
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free(buf);
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buf = hydra_receive_line(s);
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}
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if (buf == NULL)
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return 1;
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} else {
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#ifdef LIBOPENSSL
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if (hydra_strcasestr(buf, "Proxy-Authenticate: Digest") != NULL) {
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char *pbuffer;
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http_proxy_auth_mechanism = AUTH_DIGESTMD5;
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pbuffer = hydra_strcasestr(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 = buffer2;
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sasl_digest_md5(pbuffer, login, pass, buffer, miscptr, "proxy", host, 0, header);
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if (pbuffer == 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 1;
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free(buf);
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buf = hydra_receive_line(s);
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while (buf != NULL && strstr(buf, "HTTP/1.") == NULL) {
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free(buf);
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buf = hydra_receive_line(s);
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}
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if (debug && buf != NULL)
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hydra_report(stderr, "S:%s\n", buf);
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if (buf == NULL)
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return 1;
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} else
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#endif
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{
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if (buf != NULL) {
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buf[strlen(buf) - 1] = '\0';
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hydra_report(stderr, "Unsupported Auth type:\n%s\n", buf);
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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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}
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// result analysis
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ptr = ((char *) index(buf, ' ')) + 1;
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if (*ptr == '2' || (*ptr == '3' && (*(ptr + 2) == '1' || *(ptr + 2) == '2')) || strncmp(ptr, "404", 4) == 0 || strncmp(ptr, "403", 4) == 0) {
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hydra_report_found_host(port, ip, "http-proxy", fp);
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if (fp != stdout)
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fprintf(fp, "[%d][http-proxy-urlenum] host: %s url: %s\n", port, hydra_address2string(ip), url);
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printf("[%d][http-proxy-urlenum] host: %s url: %s\n", port, hydra_address2string(ip), url);
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hydra_completed_pair_found();
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} else {
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if (strncmp(ptr, "407", 3) == 0 /*|| strncmp(ptr, "401", 3) == 0 */ ) {
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hydra_report(stderr, "[ERROR] Proxy reports bad credentials!\n");
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return 3;
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}
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hydra_completed_pair();
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}
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free(buf);
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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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return 1;
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}
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void service_http_proxy_urlenum(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port, char *hostname) {
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int run = 1, next_run = 1, sock = -1;
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int 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 (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) fprintf(stderr, "[ERROR] Child with pid %d terminating, can not connect\n", (int) 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_urlenum(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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int service_http_proxy_urlenum_init(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int 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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