File: hydra-postgres.c

package info (click to toggle)
hydra 9.0-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, sid
  • size: 4,008 kB
  • sloc: ansic: 21,638; sh: 2,166; makefile: 110
file content (137 lines) | stat: -rw-r--r-- 3,823 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/*
 *	PostgresSQL Support - by Diaul (at) devilopers.org 
 *
 *	
 * 110425 no obvious memleaks found
 */

#include "hydra-mod.h"

#ifndef LIBPOSTGRES
void dummy_postgres() {
  printf("\n");
}
#else

#include <postgresql/libpq-fe.h>           // Postgres connection functions
#include <stdio.h>

#define DEFAULT_DB "template1"

extern char *HYDRA_EXIT;

int32_t start_postgres(int32_t s, char *ip, int32_t port, unsigned char options, char *miscptr, FILE * fp) {
  char *empty = "";
  char *login, *pass;
  char database[256];
  char connection_string[1024];
  PGconn *pgconn;

  if (miscptr)
    strncpy(database, miscptr, sizeof(database) - 1);
  else
    strncpy(database, DEFAULT_DB, sizeof(database) - 1);
  database[sizeof(database) - 1] = 0;

  if (strlen(login = hydra_get_next_login()) == 0)
    login = empty;
  if (strlen(pass = hydra_get_next_password()) == 0)
    pass = empty;

  /*
   *      Building the connection string
   */


  snprintf(connection_string, sizeof(connection_string), "host = '%s' dbname = '%s' user = '%s' password = '%s' ", hydra_address2string(ip), database, login, pass);

  if (verbose)
    hydra_report(stderr, "connection string: %s\n", connection_string);

  pgconn = PQconnectdb(connection_string);
  if (PQstatus(pgconn) == CONNECTION_OK) {
    PQfinish(pgconn);
    hydra_report_found_host(port, ip, "postgres", fp);
    hydra_completed_pair_found();
    if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
      return 3;
    return 2;
  } else {
    PQfinish(pgconn);
    hydra_completed_pair();
    if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
      return 3;
  }
  return 1;
}

void service_postgres(char *ip, int32_t sp, unsigned char options, char *miscptr, FILE * fp, int32_t port, char *hostname) {
  int32_t run = 1, next_run = 1, sock = -1;
  int32_t myport = PORT_POSTGRES, mysslport = PORT_POSTGRES_SSL;

  hydra_register_socket(sp);
  if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
    return;

  while (1) {

    switch (run) {
    case 1:                    /* connect and service init function */
      if (sock >= 0)
        sock = hydra_disconnect(sock);
//                              usleepn(275);
      if ((options & OPTION_SSL) == 0) {
        if (port != 0)
          myport = port;
        sock = hydra_connect_tcp(ip, myport);
        port = myport;
      } else {
        if (port != 0)
          mysslport = port;
        sock = hydra_connect_ssl(ip, mysslport, hostname);
        port = mysslport;
      }
      if (sock < 0) {
        if (quiet != 1) fprintf(stderr, "[ERROR] Child with pid %d terminating, can not connect\n", (int32_t) getpid());
        hydra_child_exit(1);
      }
      next_run = 2;
      break;
    case 2:
      /*
       *      Here we start the password cracking process  
       */
      next_run = start_postgres(sock, ip, port, options, miscptr, fp);
      break;
    case 3:
      if (sock >= 0)
        sock = hydra_disconnect(sock);
      hydra_child_exit(0);
      return;
    default:
      fprintf(stderr, "[ERROR] Caught unknown return code, exiting!\n");
      hydra_child_exit(0);
    }
    run = next_run;
  }
}

#endif

int32_t service_postgres_init(char *ip, int32_t sp, unsigned char options, char *miscptr, FILE * fp, int32_t port, char *hostname) {
  // called before the childrens are forked off, so this is the function
  // which should be filled if initial connections and service setup has to be
  // performed once only.
  //
  // fill if needed.
  // 
  // return codes:
  //   0 all OK
  //   -1  error, hydra will exit, so print a good error message here

  return 0;
}

void usage_postgres(const char* service) {
  printf("Module postgres is optionally taking the database to attack, default is \"template1\"\n\n");
}