| 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | |
| 4 | #include "putty.h" |
| 5 | |
| 6 | #ifndef FALSE |
| 7 | #define FALSE 0 |
| 8 | #endif |
| 9 | #ifndef TRUE |
| 10 | #define TRUE 1 |
| 11 | #endif |
| 12 | |
| 13 | static void pty_size(void); |
| 14 | |
| 15 | static void c_write(char *buf, int len) |
| 16 | { |
| 17 | from_backend(0, buf, len); |
| 18 | } |
| 19 | |
| 20 | /* |
| 21 | * Called to set up the pty. |
| 22 | * |
| 23 | * Returns an error message, or NULL on success. |
| 24 | * |
| 25 | * Also places the canonical host name into `realhost'. It must be |
| 26 | * freed by the caller. |
| 27 | */ |
| 28 | static char *pty_init(char *host, int port, char **realhost, int nodelay) |
| 29 | { |
| 30 | /* FIXME: do nothing for now */ |
| 31 | return NULL; |
| 32 | } |
| 33 | |
| 34 | /* |
| 35 | * Called to send data down the pty. |
| 36 | */ |
| 37 | static int pty_send(char *buf, int len) |
| 38 | { |
| 39 | c_write(buf, len); /* FIXME: diagnostic thingy */ |
| 40 | return 0; |
| 41 | } |
| 42 | |
| 43 | /* |
| 44 | * Called to query the current socket sendability status. |
| 45 | */ |
| 46 | static int pty_sendbuffer(void) |
| 47 | { |
| 48 | return 0; |
| 49 | } |
| 50 | |
| 51 | /* |
| 52 | * Called to set the size of the window |
| 53 | */ |
| 54 | static void pty_size(void) |
| 55 | { |
| 56 | /* FIXME: will need to do TIOCSWINSZ or whatever. */ |
| 57 | return; |
| 58 | } |
| 59 | |
| 60 | /* |
| 61 | * Send special codes. |
| 62 | */ |
| 63 | static void pty_special(Telnet_Special code) |
| 64 | { |
| 65 | /* Do nothing! */ |
| 66 | return; |
| 67 | } |
| 68 | |
| 69 | static Socket pty_socket(void) |
| 70 | { |
| 71 | return NULL; /* shouldn't ever be needed */ |
| 72 | } |
| 73 | |
| 74 | static int pty_sendok(void) |
| 75 | { |
| 76 | return 1; |
| 77 | } |
| 78 | |
| 79 | static void pty_unthrottle(int backlog) |
| 80 | { |
| 81 | /* do nothing */ |
| 82 | } |
| 83 | |
| 84 | static int pty_ldisc(int option) |
| 85 | { |
| 86 | return 0; /* neither editing nor echoing */ |
| 87 | } |
| 88 | |
| 89 | static int pty_exitcode(void) |
| 90 | { |
| 91 | /* Shouldn't ever be required */ |
| 92 | return 0; |
| 93 | } |
| 94 | |
| 95 | Backend pty_backend = { |
| 96 | pty_init, |
| 97 | pty_send, |
| 98 | pty_sendbuffer, |
| 99 | pty_size, |
| 100 | pty_special, |
| 101 | pty_socket, |
| 102 | pty_exitcode, |
| 103 | pty_sendok, |
| 104 | pty_ldisc, |
| 105 | pty_unthrottle, |
| 106 | 1 |
| 107 | }; |