1 | #include <stdio.h> |
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2 | #include <stdlib.h> |
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3 | #include <string.h> |
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4 | #include <sys/socket.h> |
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5 | #include <arpa/inet.h> |
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6 | #include <netdb.h> |
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7 | #include <unistd.h> |
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8 | #include <signal.h> |
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9 | #include <errno.h> |
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10 | #include <sys/wait.h> |
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11 | #include <sys/stat.h> |
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12 | #include <sys/types.h> |
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13 | #include <sys/mman.h> |
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14 | #include <stdarg.h> |
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15 | #include <syslog.h> |
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16 | #include <fcntl.h> |
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17 | #include <semaphore.h> |
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18 | #include <sys/ipc.h> |
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19 | #include <sys/shm.h> |
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20 | #include <pthread.h> |
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21 | #include <ctype.h> |
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22 | |
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23 | |
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24 | // Buffer size, in bytes, used for copying in the Cat() function. |
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25 | const size_t BUF_SIZE = 4096; |
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26 | |
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27 | // Global variables |
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28 | char g_program_name[100]; // Initialised from argv[0] in ParseArgs() |
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29 | |
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30 | // structs |
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31 | /*struct client |
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32 | { |
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33 | unsigned char * user; |
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34 | unsigned char * key; |
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35 | int jabber; |
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36 | int shmid; |
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37 | struct client * next, |
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38 | * previous; |
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39 | };*/ |
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40 | |
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41 | // Typedef for a signal handler function. |
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42 | typedef void (* signal_handler_t) (int); |
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43 | |
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44 | // Prototypes for functions in this file. |
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45 | void ParseArgs (int, char **, struct in_addr *, unsigned short *, struct in_addr *, unsigned short *); |
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46 | void Initialise (void); |
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47 | void sig_child (int); |
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48 | int CreateServerSocket (struct in_addr, unsigned short); |
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49 | void Daemonise (void); |
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50 | void MainLoop (int, struct in_addr, unsigned short); |
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51 | void ClearList(void); |
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52 | void Proxy (int, int); |
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53 | struct accept * AcceptClientConnection (int); |
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54 | void VerifyClient(void *); |
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55 | struct client * Handshake(int *); |
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56 | int ConnectToServer (struct in_addr, unsigned short); |
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57 | //void Cat (int, int); |
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58 | void Cat (void *); |
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59 | int NameToAddr (const char *, struct in_addr *); |
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60 | int NameToPort (const char *, unsigned short *, const char *); |
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61 | #ifdef __GNUC__ |
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62 | void quit (const char *, ...) __attribute__ ((format (printf, 1, 2))); |
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63 | void pbomb (const char *, ...) __attribute__ ((format (printf, 1, 2))); |
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64 | void hbomb (const char *, ...) __attribute__ ((format (printf, 1, 2))); |
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65 | #else |
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66 | void quit (const char *, ...); |
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67 | void pbomb (const char *, ...); |
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68 | void hbomb (const char *, ...); |
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69 | #endif |
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70 | void set_signal_handler (int, signal_handler_t); |
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