diff options
Diffstat (limited to 'contrib/telnet/telnetd/telnetd.c')
| -rw-r--r-- | contrib/telnet/telnetd/telnetd.c | 75 |
1 files changed, 39 insertions, 36 deletions
diff --git a/contrib/telnet/telnetd/telnetd.c b/contrib/telnet/telnetd/telnetd.c index 70c0fc0..6e09ab4 100644 --- a/contrib/telnet/telnetd/telnetd.c +++ b/contrib/telnet/telnetd/telnetd.c @@ -32,13 +32,13 @@ */ #ifndef lint -static char copyright[] = +static const char copyright[] = "@(#) Copyright (c) 1989, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint -static char sccsid[] = "@(#)telnetd.c 8.4 (Berkeley) 5/30/95"; +static const char sccsid[] = "@(#)telnetd.c 8.4 (Berkeley) 5/30/95"; #endif /* not lint */ #include "telnetd.h" @@ -75,6 +75,10 @@ struct socket_security ss; #include <libtelnet/auth.h> int auth_level = 0; #endif +#if defined(ENCRYPTION) +#include <libtelnet/encrypt.h> +#endif +#include <libtelnet/misc.h> #if defined(SecurID) int require_SecurID = 0; #endif @@ -101,8 +105,6 @@ char ptyibuf2[BUFSIZ]; unsigned char ctlbuf[BUFSIZ]; struct strbuf strbufc, strbufd; -int readstream(); - #else /* ! STREAMPTY */ /* @@ -112,6 +114,13 @@ int readstream(); char ptyibuf[BUFSIZ], *ptyip = ptyibuf; char ptyibuf2[BUFSIZ]; +# include <termcap.h> + +int readstream(int p, char *ibuf, int bufsize); +void doit(struct sockaddr_in *who); +int terminaltypeok(char *s); +void startslave(char *host, int autologin, char *autoname); + #endif /* ! STREAMPTY */ int hostinfo = 1; /* do we print login banner? */ @@ -124,6 +133,7 @@ int lowpty = 0, highpty; /* low, high pty numbers */ int debug = 0; int keepalive = 1; char *progname; +char *altlogin; extern void usage P((void)); @@ -133,7 +143,7 @@ extern void usage P((void)); * passed off to getopt(). */ char valid_opts[] = { - 'd', ':', 'h', 'k', 'n', 'S', ':', 'u', ':', 'U', + 'd', ':', 'h', 'k', 'n', 'p', ':', 'S', ':', 'u', ':', 'U', #ifdef AUTHENTICATION 'a', ':', 'X', ':', #endif @@ -301,6 +311,10 @@ main(argc, argv) keepalive = 0; break; + case 'p': + altlogin = optarg; + break; + #ifdef CRAY case 'r': { @@ -385,7 +399,7 @@ main(argc, argv) usage(); /* NOT REACHED */ } else if (argc == 1) { - if (sp = getservbyname(*argv, "tcp")) { + if ((sp = getservbyname(*argv, "tcp"))) { sin.sin_port = sp->s_port; } else { sin.sin_port = atoi(*argv); @@ -699,12 +713,14 @@ getterminaltype(name) * we have to just go with what we (might) have already gotten. */ if (his_state_is_will(TELOPT_TTYPE) && !terminaltypeok(terminaltype)) { - (void) strncpy(first, terminaltype, sizeof(first)); + (void) strncpy(first, terminaltype, sizeof(first)-1); + first[sizeof(first)-1] = '\0'; for(;;) { /* * Save the unknown name, and request the next name. */ - (void) strncpy(last, terminaltype, sizeof(last)); + (void) strncpy(last, terminaltype, sizeof(last)-1); + last[sizeof(last)-1] = '\0'; _gettermname(); if (terminaltypeok(terminaltype)) break; @@ -722,8 +738,10 @@ getterminaltype(name) * the start of the list. */ _gettermname(); - if (strncmp(first, terminaltype, sizeof(first)) != 0) - (void) strncpy(terminaltype, first, sizeof(first)); + if (strncmp(first, terminaltype, sizeof(first)) != 0) { + (void) strncpy(terminaltype, first, sizeof(terminaltype)-1); + terminaltype[sizeof(terminaltype)-1] = '\0'; + } break; } } @@ -780,24 +798,20 @@ char *hostname; char host_name[MAXHOSTNAMELEN]; char remote_host_name[MAXHOSTNAMELEN]; -#ifndef convex -extern void telnet P((int, int)); -#else extern void telnet P((int, int, char *)); -#endif +int level; +char user_name[256]; /* * Get a pty, scan input lines. */ +void doit(who) struct sockaddr_in *who; { char *host, *inet_ntoa(); - int t; struct hostent *hp; - int level; int ptynum; - char user_name[256]; /* * Find an available pty to use. @@ -875,12 +889,6 @@ doit(who) level = getterminaltype(user_name); setenv("TERM", terminaltype ? terminaltype : "network", 1); - /* - * Start up the login process on the slave side of the terminal - */ -#ifndef convex - startslave(host, level, user_name); - #if defined(_SC_CRAY_SECURE_SYS) if (secflag) { if (setulvl(dv.dv_actlvl) < 0) @@ -890,10 +898,8 @@ doit(who) } #endif /* _SC_CRAY_SECURE_SYS */ - telnet(net, pty); /* begin server processing */ -#else - telnet(net, pty, host); -#endif + telnet(net, pty, host); /* begin server process */ + /*NOTREACHED*/ } /* end of doit */ @@ -917,15 +923,9 @@ Xterm_output(ibufp, obuf, icountp, ocount) * hand data to telnet receiver finite state machine. */ void -#ifndef convex -telnet(f, p) -#else telnet(f, p, host) -#endif int f, p; -#ifdef convex char *host; -#endif { int on = 1; #define TABBUFSIZ 512 @@ -1162,9 +1162,12 @@ telnet(f, p, host) {sprintf(nfrontp, "td: Entering processing loop\r\n"); nfrontp += strlen(nfrontp);}); -#ifdef convex - startslave(host); -#endif + /* + * Startup the login process on the slave side of the terminal + * now. We delay this until here to insure option negotiation + * is complete. + */ + startslave(host, level, user_name); nfd = ((f > p) ? f : p) + 1; for (;;) { |
