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Diffstat (limited to 'other/fizzbounce/network.h')
| -rw-r--r-- | other/fizzbounce/network.h | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/other/fizzbounce/network.h b/other/fizzbounce/network.h new file mode 100644 index 0000000..0fcaa06 --- /dev/null +++ b/other/fizzbounce/network.h | |||
| @@ -0,0 +1,205 @@ | |||
| 1 | /* scut's leet network library ;) | ||
| 2 | * 1999 (c) scut | ||
| 3 | * | ||
| 4 | * networking code | ||
| 5 | */ | ||
| 6 | |||
| 7 | #include <sys/socket.h> | ||
| 8 | #include <net/if.h> | ||
| 9 | #include <netinet/in.h> | ||
| 10 | #include <stdio.h> | ||
| 11 | |||
| 12 | #ifndef _NETWORK_H | ||
| 13 | #define _NETWORK_H | ||
| 14 | |||
| 15 | #define NET_READTIMEOUT 180 | ||
| 16 | #define NET_CONNTIMEOUT 60 | ||
| 17 | #define NET_IDENTTIMEOUT 15 | ||
| 18 | |||
| 19 | #define IFI_NAME 16 | ||
| 20 | #define IFI_HADDR 8 | ||
| 21 | |||
| 22 | /* pointer to this struct list returned by net_get_ifi | ||
| 23 | */ | ||
| 24 | struct ifi_info { | ||
| 25 | char ifi_name[IFI_NAME]; | ||
| 26 | u_char ifi_haddr[IFI_HADDR]; | ||
| 27 | u_short ifi_hlen; | ||
| 28 | short ifi_flags; | ||
| 29 | short ifi_myflags; | ||
| 30 | struct sockaddr *ifi_addr; | ||
| 31 | struct in_addr ifi_saddr; | ||
| 32 | struct ifi_info *ifi_next; | ||
| 33 | }; | ||
| 34 | |||
| 35 | #define IFI_ALIAS 1 | ||
| 36 | |||
| 37 | typedef struct bound { | ||
| 38 | int bs; /* bound socket */ | ||
| 39 | unsigned short port; /* port we bound to */ | ||
| 40 | struct sockaddr bsa; /* bs_in */ | ||
| 41 | } bound; | ||
| 42 | |||
| 43 | extern int net_readtimeout; | ||
| 44 | extern int net_conntimeout; | ||
| 45 | extern int net_identtimeout; | ||
| 46 | |||
| 47 | /* net_socks_connect | ||
| 48 | * | ||
| 49 | * relays through an open socks 5 server (NO AUTH type) | ||
| 50 | * returns a socket descriptor which is already connected | ||
| 51 | */ | ||
| 52 | |||
| 53 | int net_socks_connect (char *socks, unsigned short int sport, char *server, unsigned short int port, int sec); | ||
| 54 | |||
| 55 | /* net_socks_put_s5info | ||
| 56 | * | ||
| 57 | * inserts socks 5 compatible relay information into socket s5s, | ||
| 58 | * used to relay over more then just one socks server | ||
| 59 | */ | ||
| 60 | |||
| 61 | int net_socks_put_s5info (int s5s, char *server, unsigned short int port, int sec); | ||
| 62 | |||
| 63 | /* net_parseip | ||
| 64 | * | ||
| 65 | * reads an ip in the format "1.1.1.1:299" or "blabla:481" into | ||
| 66 | * the char pointer *ip and into the port *port | ||
| 67 | * | ||
| 68 | * returns 0 on failure | ||
| 69 | * returns 1 on success | ||
| 70 | */ | ||
| 71 | int net_parseip (char *inp, char **ip, unsigned short int *port); | ||
| 72 | |||
| 73 | /* net_getlocalip | ||
| 74 | * | ||
| 75 | * returns the local IP address as string on success | ||
| 76 | * returns NULL on failure | ||
| 77 | */ | ||
| 78 | |||
| 79 | char *net_getlocalip (void); | ||
| 80 | |||
| 81 | /* net_descriptify | ||
| 82 | * | ||
| 83 | * descriptifies a socket ;) | ||
| 84 | * returns -1 on failure | ||
| 85 | * returns file descriptor on success | ||
| 86 | */ | ||
| 87 | |||
| 88 | FILE *net_descriptify (int socket); | ||
| 89 | |||
| 90 | /* net_ident | ||
| 91 | * | ||
| 92 | * idents a connection identified by the host:port pairs on both sides, | ||
| 93 | * returning the ident in *ident | ||
| 94 | * | ||
| 95 | * returns 1 on success | ||
| 96 | * returns -1 on failure | ||
| 97 | */ | ||
| 98 | |||
| 99 | int net_ident (char **ident, struct sockaddr_in *locals, unsigned short int localport, | ||
| 100 | struct sockaddr_in *remotes, unsigned short int remoteport); | ||
| 101 | |||
| 102 | /* net_accept | ||
| 103 | * accepts a connection from socket s, and stores the connection | ||
| 104 | * into cs. | ||
| 105 | * wait a maximum amount of maxsec seconds for connections | ||
| 106 | * maxsec can also be zero (infinite wait, until connection) | ||
| 107 | * | ||
| 108 | * returns 0 if no connection has been made within maxsec seconds | ||
| 109 | * returns -1 if an error appears | ||
| 110 | * returns the socket number if a connection has been made | ||
| 111 | */ | ||
| 112 | |||
| 113 | int net_accept (int s, struct sockaddr_in *cs, int maxsec); | ||
| 114 | |||
| 115 | /* net_get_ifi | ||
| 116 | * get interface information | ||
| 117 | * returns NULL on failure | ||
| 118 | * returns a pointer to a linked list structure ifi_info (see above) | ||
| 119 | */ | ||
| 120 | |||
| 121 | struct ifi_info *net_ifi_get (int family, int doaliases); | ||
| 122 | void net_ifi_free (struct ifi_info *tf); | ||
| 123 | |||
| 124 | /* net_testvip | ||
| 125 | * tests if virtual ip/hostname is available for use on the local machine, | ||
| 126 | * returns 1 if the ip can be used | ||
| 127 | * 0 if the ip/host is not available | ||
| 128 | */ | ||
| 129 | int net_testvip (char *ip); | ||
| 130 | |||
| 131 | /* net_bind | ||
| 132 | * binds a socket to an ip:port on the local machine, | ||
| 133 | * ip can be either NULL (bind to all IP's on the host), or a pointer | ||
| 134 | * to a virtual host name, or a real IP, or "*" for any. | ||
| 135 | * port can be either 0 (ephemeral port), or any free port. | ||
| 136 | * | ||
| 137 | * returns NULL on failure | ||
| 138 | * pointer to bound structure on success | ||
| 139 | */ | ||
| 140 | bound *net_bind (char *ip, unsigned short int port); | ||
| 141 | void net_boundfree (bound *bf); | ||
| 142 | |||
| 143 | /* net_resolve | ||
| 144 | * resolves host into s_addr | ||
| 145 | */ | ||
| 146 | unsigned long int net_resolve(char *host); | ||
| 147 | |||
| 148 | /* net_connect | ||
| 149 | * connects to the given server and port with a max timeout of sec | ||
| 150 | * initializes the sockaddr_in struct correctly (ipv4), accepts any | ||
| 151 | * ip "123.123.123.123" or hostname "localhost", "www.yahoo.de" as hostname | ||
| 152 | * creates a new socket and returns either -1 if failed or | ||
| 153 | * the socket if connection has been established within the timeout limit | ||
| 154 | * routine is still IPv4 biased :-/ | ||
| 155 | * | ||
| 156 | * returns -1 on failure | ||
| 157 | * returns socket if success | ||
| 158 | */ | ||
| 159 | int net_connect(struct sockaddr_in *cs, char *server, unsigned short int port, int sec); | ||
| 160 | |||
| 161 | /* net_rtimeout | ||
| 162 | * waits max <sec> seconds for fd to become readable | ||
| 163 | * returns -1 on error (errno set) | ||
| 164 | * returns 1 on readability | ||
| 165 | */ | ||
| 166 | int net_rtimeout(int fd, int sec); | ||
| 167 | |||
| 168 | /* net_rbuf | ||
| 169 | * allocates memory and reads to *dst until connection close | ||
| 170 | * returns n if success (n = number of bytes read) | ||
| 171 | * returns -1 if failed | ||
| 172 | */ | ||
| 173 | long int net_rbuf(int fd, char **dst); | ||
| 174 | #define NET_BSIZE 4096 | ||
| 175 | |||
| 176 | /* net_rbuft | ||
| 177 | * reads dsize bytes into dst from fd, with timeout | ||
| 178 | * returns 1 on success | ||
| 179 | * returns -1 on failure | ||
| 180 | */ | ||
| 181 | int net_rbuft(int fd, char *dst, unsigned long int dsize); | ||
| 182 | |||
| 183 | /* net_rlinet | ||
| 184 | * reads a line from socket descriptor with timeout to buffer | ||
| 185 | * if sec = 0, then only a continuous stream of data is required, not | ||
| 186 | * an overall timeout. | ||
| 187 | * returns -1 on timeout | ||
| 188 | * returns 0 on connection close | ||
| 189 | * returns length of readen line (including '\n') | ||
| 190 | */ | ||
| 191 | int net_rlinet(int fd, char *buf, int bufsize, int sec); | ||
| 192 | |||
| 193 | /* net_tline | ||
| 194 | * returns length if string contains '\n' | ||
| 195 | * returns -1 if no '\n' in string | ||
| 196 | */ | ||
| 197 | int net_tline(char *buf, int bufsize); | ||
| 198 | |||
| 199 | /* net_write | ||
| 200 | * prints a formatted string to a socket | ||
| 201 | */ | ||
| 202 | void net_write(int fd, const char *str, ...); | ||
| 203 | |||
| 204 | #endif | ||
| 205 | |||
