1 /*- 2 * Copyright (c) 1991 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)authenc.c 5.3 (Berkeley) 05/20/93"; 10 #endif /* not lint */ 11 12 #if defined(AUTHENTICATION) || defined(ENCRYPTION) 13 #include <sys/types.h> 14 #include <arpa/telnet.h> 15 #include <libtelnet/encrypt.h> 16 #include <libtelnet/misc.h> 17 18 #include "general.h" 19 #include "ring.h" 20 #include "externs.h" 21 #include "defines.h" 22 #include "types.h" 23 24 int 25 net_write(str, len) 26 unsigned char *str; 27 int len; 28 { 29 if (NETROOM() > len) { 30 ring_supply_data(&netoring, str, len); 31 if (str[0] == IAC && str[1] == SE) 32 printsub('>', &str[2], len-2); 33 return(len); 34 } 35 return(0); 36 } 37 38 void 39 net_encrypt() 40 { 41 #ifdef ENCRYPTION 42 if (encrypt_output) 43 ring_encrypt(&netoring, encrypt_output); 44 else 45 ring_clearto(&netoring); 46 #endif /* ENCRYPTION */ 47 } 48 49 int 50 telnet_spin() 51 { 52 return(-1); 53 } 54 55 char * 56 telnet_getenv(val) 57 char *val; 58 { 59 return((char *)env_getvalue((unsigned char *)val)); 60 } 61 62 char * 63 telnet_gets(prompt, result, length, echo) 64 char *prompt; 65 char *result; 66 int length; 67 int echo; 68 { 69 extern char *getpass(); 70 extern int globalmode; 71 int om = globalmode; 72 char *res; 73 74 TerminalNewMode(-1); 75 if (echo) { 76 printf("%s", prompt); 77 res = fgets(result, length, stdin); 78 } else if (res = getpass(prompt)) { 79 strncpy(result, res, length); 80 res = result; 81 } 82 TerminalNewMode(om); 83 return(res); 84 } 85 #endif /* defined(AUTHENTICATION) || defined(ENCRYPTION) */ 86