prompt.c revision 74049
136285Sbrian/*- 236285Sbrian * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> 336285Sbrian * All rights reserved. 436285Sbrian * 536285Sbrian * Redistribution and use in source and binary forms, with or without 636285Sbrian * modification, are permitted provided that the following conditions 736285Sbrian * are met: 836285Sbrian * 1. Redistributions of source code must retain the above copyright 936285Sbrian * notice, this list of conditions and the following disclaimer. 1036285Sbrian * 2. Redistributions in binary form must reproduce the above copyright 1136285Sbrian * notice, this list of conditions and the following disclaimer in the 1236285Sbrian * documentation and/or other materials provided with the distribution. 1336285Sbrian * 1436285Sbrian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1536285Sbrian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1636285Sbrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1736285Sbrian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1836285Sbrian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1936285Sbrian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2036285Sbrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2136285Sbrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2236285Sbrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2336285Sbrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2436285Sbrian * SUCH DAMAGE. 2536285Sbrian * 2650479Speter * $FreeBSD: head/usr.sbin/ppp/prompt.c 74049 2001-03-09 20:31:02Z brian $ 2736285Sbrian */ 2836285Sbrian 2936285Sbrian#include <sys/param.h> 3036285Sbrian#include <netinet/in.h> 3136285Sbrian#include <netinet/in_systm.h> 3236285Sbrian#include <netinet/ip.h> 3336285Sbrian#include <sys/un.h> 3436285Sbrian 3536285Sbrian#include <errno.h> 3636285Sbrian#include <stdarg.h> 3736285Sbrian#include <stdio.h> 3836285Sbrian#include <stdlib.h> 3936285Sbrian#include <string.h> 4036285Sbrian#include <sys/fcntl.h> 4136285Sbrian#include <termios.h> 4236285Sbrian#include <unistd.h> 4336285Sbrian 4446686Sbrian#include "layer.h" 4536285Sbrian#include "defs.h" 4636285Sbrian#include "timer.h" 4736285Sbrian#include "command.h" 4836285Sbrian#include "log.h" 4936285Sbrian#include "descriptor.h" 5036285Sbrian#include "prompt.h" 5136285Sbrian#include "fsm.h" 5236285Sbrian#include "auth.h" 5336285Sbrian#include "iplist.h" 5436285Sbrian#include "throughput.h" 5536285Sbrian#include "slcompress.h" 5638557Sbrian#include "mbuf.h" 5738557Sbrian#include "lqr.h" 5838557Sbrian#include "hdlc.h" 5963484Sbrian#include "lcp.h" 6036285Sbrian#include "ipcp.h" 6136285Sbrian#include "filter.h" 6236285Sbrian#include "async.h" 6336285Sbrian#include "ccp.h" 6436285Sbrian#include "link.h" 6536285Sbrian#include "physical.h" 6636285Sbrian#include "mp.h" 6743313Sbrian#ifndef NORADIUS 6843313Sbrian#include "radius.h" 6943313Sbrian#endif 7036285Sbrian#include "bundle.h" 7136285Sbrian#include "chat.h" 7236285Sbrian#include "chap.h" 7338174Sbrian#include "cbcp.h" 7436285Sbrian#include "datalink.h" 7536285Sbrian#include "server.h" 7637386Sbrian#include "main.h" 7736285Sbrian 7836285Sbrianstatic void 7936285Sbrianprompt_Display(struct prompt *p) 8036285Sbrian{ 8137010Sbrian /* XXX: See Index2Nam() - should we only figure this out once ? */ 8274049Sbrian static char shostname[MAXHOSTNAMELEN]; 8336285Sbrian const char *pconnect, *pauth; 8436285Sbrian 8536285Sbrian if (p->TermMode || !p->needprompt) 8636285Sbrian return; 8736285Sbrian 8836285Sbrian p->needprompt = 0; 8936285Sbrian 9036285Sbrian if (p->nonewline) 9136285Sbrian p->nonewline = 0; 9236285Sbrian else 9336285Sbrian fprintf(p->Term, "\n"); 9436285Sbrian 9536285Sbrian if (p->auth == LOCAL_AUTH) 9636285Sbrian pauth = " ON "; 9736285Sbrian else 9836285Sbrian pauth = " on "; 9936285Sbrian 10036285Sbrian if (p->bundle->ncp.ipcp.fsm.state == ST_OPENED) 10136285Sbrian pconnect = "PPP"; 10236285Sbrian else if (bundle_Phase(p->bundle) == PHASE_NETWORK) 10336285Sbrian pconnect = "PPp"; 10436285Sbrian else if (bundle_Phase(p->bundle) == PHASE_AUTHENTICATE) 10536285Sbrian pconnect = "Ppp"; 10636285Sbrian else 10736285Sbrian pconnect = "ppp"; 10836285Sbrian 10936285Sbrian if (*shostname == '\0') { 11036285Sbrian char *dot; 11136285Sbrian 11274001Sbrian if (gethostname(shostname, sizeof shostname) || *shostname == '\0') 11336285Sbrian strcpy(shostname, "localhost"); 11436285Sbrian else if ((dot = strchr(shostname, '.'))) 11536285Sbrian *dot = '\0'; 11636285Sbrian } 11736285Sbrian 11836285Sbrian fprintf(p->Term, "%s%s%s> ", pconnect, pauth, shostname); 11936285Sbrian fflush(p->Term); 12036285Sbrian} 12136285Sbrian 12236285Sbrianstatic int 12358028Sbrianprompt_UpdateSet(struct fdescriptor *d, fd_set *r, fd_set *w, fd_set *e, int *n) 12436285Sbrian{ 12536285Sbrian struct prompt *p = descriptor2prompt(d); 12636285Sbrian int sets; 12736285Sbrian 12836285Sbrian sets = 0; 12936285Sbrian 13036285Sbrian if (!p->active) 13136285Sbrian return sets; 13236285Sbrian 13336285Sbrian if (p->fd_in >= 0) { 13436285Sbrian if (r) { 13536285Sbrian FD_SET(p->fd_in, r); 13636285Sbrian log_Printf(LogTIMER, "prompt %s: fdset(r) %d\n", p->src.from, p->fd_in); 13736285Sbrian sets++; 13836285Sbrian } 13936285Sbrian if (e) { 14036285Sbrian FD_SET(p->fd_in, e); 14136285Sbrian log_Printf(LogTIMER, "prompt %s: fdset(e) %d\n", p->src.from, p->fd_in); 14236285Sbrian sets++; 14336285Sbrian } 14436285Sbrian if (sets && *n < p->fd_in + 1) 14536285Sbrian *n = p->fd_in + 1; 14636285Sbrian } 14736285Sbrian 14836285Sbrian prompt_Display(p); 14936285Sbrian 15036285Sbrian return sets; 15136285Sbrian} 15236285Sbrian 15336285Sbrianstatic int 15458028Sbrianprompt_IsSet(struct fdescriptor *d, const fd_set *fdset) 15536285Sbrian{ 15636285Sbrian struct prompt *p = descriptor2prompt(d); 15736285Sbrian return p->fd_in >= 0 && FD_ISSET(p->fd_in, fdset); 15836285Sbrian} 15936285Sbrian 16036285Sbrian 16136285Sbrianstatic void 16236285Sbrianprompt_ShowHelp(struct prompt *p) 16336285Sbrian{ 16437011Sbrian prompt_Printf(p, "The following commands are available:\n"); 16537011Sbrian prompt_Printf(p, " ~p\tEnter Packet mode\n"); 16637011Sbrian prompt_Printf(p, " ~t\tShow timers\n"); 16737011Sbrian prompt_Printf(p, " ~m\tShow memory map\n"); 16837011Sbrian prompt_Printf(p, " ~.\tTerminate program\n"); 16937011Sbrian prompt_Printf(p, " ~?\tThis help\n"); 17036285Sbrian} 17136285Sbrian 17236285Sbrianstatic void 17358028Sbrianprompt_Read(struct fdescriptor *d, struct bundle *bundle, const fd_set *fdset) 17436285Sbrian{ 17536285Sbrian struct prompt *p = descriptor2prompt(d); 17651005Sbrian struct prompt *op; 17736285Sbrian int n; 17836285Sbrian char ch; 17936285Sbrian char linebuff[LINE_LEN]; 18036285Sbrian 18136285Sbrian if (p->TermMode == NULL) { 18236285Sbrian n = read(p->fd_in, linebuff, sizeof linebuff - 1); 18336285Sbrian if (n > 0) { 18436285Sbrian if (linebuff[n-1] == '\n') 18536285Sbrian linebuff[--n] = '\0'; 18636285Sbrian else 18736285Sbrian linebuff[n] = '\0'; 18836285Sbrian p->nonewline = 1; /* Maybe command_Decode does a prompt */ 18936285Sbrian prompt_Required(p); 19051005Sbrian if (n) { 19151005Sbrian if ((op = log_PromptContext) == NULL) 19251005Sbrian log_PromptContext = p; 19354914Sbrian if (!command_Decode(bundle, linebuff, n, p, p->src.from)) 19454914Sbrian prompt_Printf(p, "Syntax error\n"); 19551005Sbrian log_PromptContext = op; 19651005Sbrian } 19736285Sbrian } else if (n <= 0) { 19836314Sbrian log_Printf(LogPHASE, "%s: Client connection closed.\n", p->src.from); 19937386Sbrian if (!p->owner) 20037386Sbrian Cleanup(EX_NORMAL); 20136285Sbrian prompt_Destroy(p, 0); 20236285Sbrian } 20336285Sbrian return; 20436285Sbrian } 20536285Sbrian 20636285Sbrian switch (p->TermMode->state) { 20736285Sbrian case DATALINK_CLOSED: 20836285Sbrian prompt_Printf(p, "Link lost, terminal mode.\n"); 20936285Sbrian prompt_TtyCommandMode(p); 21036285Sbrian p->nonewline = 0; 21136285Sbrian prompt_Required(p); 21236285Sbrian return; 21336285Sbrian 21436285Sbrian case DATALINK_READY: 21536285Sbrian break; 21636285Sbrian 21736285Sbrian case DATALINK_OPEN: 21836285Sbrian prompt_Printf(p, "\nPacket mode detected.\n"); 21936285Sbrian prompt_TtyCommandMode(p); 22036285Sbrian p->nonewline = 0; 22136285Sbrian /* We'll get a prompt because of our status change */ 22236285Sbrian /* Fall through */ 22336285Sbrian 22436285Sbrian default: 22536285Sbrian /* Wait 'till we're in a state we care about */ 22636285Sbrian return; 22736285Sbrian } 22836285Sbrian 22936285Sbrian /* 23036285Sbrian * We are in terminal mode, decode special sequences 23136285Sbrian */ 23236285Sbrian n = read(p->fd_in, &ch, 1); 23336285Sbrian log_Printf(LogDEBUG, "Got %d bytes (reading from the terminal)\n", n); 23436285Sbrian 23536285Sbrian if (n > 0) { 23637010Sbrian switch (p->readtilde) { 23736285Sbrian case 0: 23836285Sbrian if (ch == '~') 23937010Sbrian p->readtilde = 1; 24036285Sbrian else 24136285Sbrian if (physical_Write(p->TermMode->physical, &ch, n) < 0) { 24237019Sbrian log_Printf(LogWARN, "error writing to modem: %s\n", strerror(errno)); 24336285Sbrian prompt_TtyCommandMode(p); 24436285Sbrian } 24536285Sbrian break; 24636285Sbrian case 1: 24736285Sbrian switch (ch) { 24836285Sbrian case '?': 24936285Sbrian prompt_ShowHelp(p); 25036285Sbrian break; 25136285Sbrian case 'p': 25236285Sbrian datalink_Up(p->TermMode, 0, 1); 25336285Sbrian prompt_Printf(p, "\nPacket mode.\n"); 25436285Sbrian prompt_TtyCommandMode(p); 25536285Sbrian break; 25636285Sbrian case '.': 25736285Sbrian prompt_TtyCommandMode(p); 25836285Sbrian p->nonewline = 0; 25936285Sbrian prompt_Required(p); 26036285Sbrian break; 26136285Sbrian case 't': 26236285Sbrian timer_Show(0, p); 26336285Sbrian break; 26436285Sbrian case 'm': 26537011Sbrian { 26637011Sbrian struct cmdargs arg; 26737011Sbrian 26837011Sbrian arg.cmdtab = NULL; 26937011Sbrian arg.cmd = NULL; 27037011Sbrian arg.argc = 0; 27137011Sbrian arg.argn = 0; 27237011Sbrian arg.argv = NULL; 27337011Sbrian arg.bundle = bundle; 27437011Sbrian arg.cx = p->TermMode; 27537011Sbrian arg.prompt = p; 27637011Sbrian 27737011Sbrian mbuf_Show(&arg); 27837011Sbrian } 27936285Sbrian break; 28036285Sbrian default: 28136285Sbrian if (physical_Write(p->TermMode->physical, &ch, n) < 0) { 28237019Sbrian log_Printf(LogWARN, "error writing to modem: %s\n", strerror(errno)); 28336285Sbrian prompt_TtyCommandMode(p); 28436285Sbrian } 28536285Sbrian break; 28636285Sbrian } 28737010Sbrian p->readtilde = 0; 28836285Sbrian break; 28936285Sbrian } 29036285Sbrian } 29136285Sbrian} 29236285Sbrian 29337141Sbrianstatic int 29458028Sbrianprompt_Write(struct fdescriptor *d, struct bundle *bundle, const fd_set *fdset) 29536285Sbrian{ 29636285Sbrian /* We never want to write here ! */ 29737019Sbrian log_Printf(LogALERT, "prompt_Write: Internal error: Bad call !\n"); 29837141Sbrian return 0; 29936285Sbrian} 30036285Sbrian 30136285Sbrianstruct prompt * 30236285Sbrianprompt_Create(struct server *s, struct bundle *bundle, int fd) 30336285Sbrian{ 30436285Sbrian struct prompt *p = (struct prompt *)malloc(sizeof(struct prompt)); 30536285Sbrian 30636285Sbrian if (p != NULL) { 30736285Sbrian p->desc.type = PROMPT_DESCRIPTOR; 30836285Sbrian p->desc.UpdateSet = prompt_UpdateSet; 30936285Sbrian p->desc.IsSet = prompt_IsSet; 31036285Sbrian p->desc.Read = prompt_Read; 31136285Sbrian p->desc.Write = prompt_Write; 31236285Sbrian 31336285Sbrian if (fd == PROMPT_STD) { 31436431Sbrian char *tty = ttyname(STDIN_FILENO); 31536431Sbrian 31636431Sbrian if (!tty) { 31736431Sbrian free(p); 31836431Sbrian return NULL; 31936431Sbrian } 32036285Sbrian p->fd_in = STDIN_FILENO; 32136285Sbrian p->fd_out = STDOUT_FILENO; 32236285Sbrian p->Term = stdout; 32336285Sbrian p->owner = NULL; 32436285Sbrian p->auth = LOCAL_AUTH; 32536285Sbrian p->src.type = "Controller"; 32636431Sbrian strncpy(p->src.from, tty, sizeof p->src.from - 1); 32736285Sbrian p->src.from[sizeof p->src.from - 1] = '\0'; 32836285Sbrian tcgetattr(p->fd_in, &p->oldtio); /* Save original tty mode */ 32936285Sbrian } else { 33036285Sbrian p->fd_in = p->fd_out = fd; 33136285Sbrian p->Term = fdopen(fd, "a+"); 33236285Sbrian p->owner = s; 33371657Sbrian p->auth = *s->cfg.passwd ? LOCAL_NO_AUTH : LOCAL_AUTH; 33436285Sbrian p->src.type = "unknown"; 33536285Sbrian *p->src.from = '\0'; 33636285Sbrian } 33736285Sbrian p->TermMode = NULL; 33836285Sbrian p->nonewline = 1; 33936285Sbrian p->needprompt = 1; 34037010Sbrian p->readtilde = 0; 34136285Sbrian p->bundle = bundle; 34236285Sbrian log_RegisterPrompt(p); 34336285Sbrian } 34436285Sbrian 34536285Sbrian return p; 34636285Sbrian} 34736285Sbrian 34836285Sbrianvoid 34936285Sbrianprompt_Destroy(struct prompt *p, int verbose) 35036285Sbrian{ 35136431Sbrian if (p) { 35236431Sbrian if (p->Term != stdout) { 35336431Sbrian fclose(p->Term); 35436431Sbrian close(p->fd_in); 35536431Sbrian if (p->fd_out != p->fd_in) 35636431Sbrian close(p->fd_out); 35736431Sbrian if (verbose) 35836431Sbrian log_Printf(LogPHASE, "%s: Client connection dropped.\n", p->src.from); 35936431Sbrian } else 36036431Sbrian prompt_TtyOldMode(p); 36136285Sbrian 36236431Sbrian log_UnRegisterPrompt(p); 36336431Sbrian free(p); 36436431Sbrian } 36536285Sbrian} 36636285Sbrian 36736285Sbrianvoid 36836285Sbrianprompt_Printf(struct prompt *p, const char *fmt,...) 36936285Sbrian{ 37036285Sbrian if (p && p->active) { 37136285Sbrian va_list ap; 37237011Sbrian 37336285Sbrian va_start(ap, fmt); 37437011Sbrian prompt_vPrintf(p, fmt, ap); 37536285Sbrian va_end(ap); 37636285Sbrian } 37736285Sbrian} 37836285Sbrian 37936285Sbrianvoid 38036285Sbrianprompt_vPrintf(struct prompt *p, const char *fmt, va_list ap) 38136285Sbrian{ 38236285Sbrian if (p && p->active) { 38337011Sbrian char nfmt[LINE_LEN]; 38437011Sbrian const char *pfmt; 38537011Sbrian 38637011Sbrian if (p->TermMode) { 38737011Sbrian /* Stuff '\r' in front of '\n' 'cos we're in raw mode */ 38837011Sbrian int len = strlen(fmt); 38937011Sbrian 39045264Sbrian if (len && len < sizeof nfmt - 1 && fmt[len-1] == '\n' && 39145264Sbrian (len == 1 || fmt[len-2] != '\r')) { 39237011Sbrian strcpy(nfmt, fmt); 39337011Sbrian strcpy(nfmt + len - 1, "\r\n"); 39437011Sbrian pfmt = nfmt; 39537011Sbrian } else 39637011Sbrian pfmt = fmt; 39737011Sbrian } else 39837011Sbrian pfmt = fmt; 39937011Sbrian vfprintf(p->Term, pfmt, ap); 40036285Sbrian fflush(p->Term); 40136285Sbrian p->nonewline = 1; 40236285Sbrian } 40336285Sbrian} 40436285Sbrian 40536285Sbrianvoid 40636285Sbrianprompt_TtyInit(struct prompt *p) 40736285Sbrian{ 40836285Sbrian int stat, fd = p ? p->fd_in : STDIN_FILENO; 40936285Sbrian struct termios newtio; 41036285Sbrian 41136285Sbrian stat = fcntl(fd, F_GETFL, 0); 41236285Sbrian if (stat > 0) { 41336285Sbrian stat |= O_NONBLOCK; 41436285Sbrian fcntl(fd, F_SETFL, stat); 41536285Sbrian } 41636285Sbrian 41736285Sbrian if (p) 41836285Sbrian newtio = p->oldtio; 41936285Sbrian else 42036285Sbrian tcgetattr(fd, &newtio); 42136285Sbrian 42236285Sbrian newtio.c_lflag &= ~(ECHO | ISIG | ICANON); 42336285Sbrian newtio.c_iflag = 0; 42436285Sbrian newtio.c_oflag &= ~OPOST; 42536285Sbrian if (!p) 42636285Sbrian newtio.c_cc[VINTR] = _POSIX_VDISABLE; 42736285Sbrian newtio.c_cc[VMIN] = 1; 42836285Sbrian newtio.c_cc[VTIME] = 0; 42936285Sbrian newtio.c_cflag |= CS8; 43036285Sbrian tcsetattr(fd, TCSANOW, &newtio); 43136285Sbrian if (p) 43236285Sbrian p->comtio = newtio; 43336285Sbrian} 43436285Sbrian 43536285Sbrian/* 43636285Sbrian * Set tty into command mode. We allow canonical input and echo processing. 43736285Sbrian */ 43836285Sbrianvoid 43936285Sbrianprompt_TtyCommandMode(struct prompt *p) 44036285Sbrian{ 44136285Sbrian struct termios newtio; 44236285Sbrian int stat; 44336285Sbrian 44436285Sbrian tcgetattr(p->fd_in, &newtio); 44536285Sbrian newtio.c_lflag |= (ECHO | ISIG | ICANON); 44636285Sbrian newtio.c_iflag = p->oldtio.c_iflag; 44736285Sbrian newtio.c_oflag |= OPOST; 44836285Sbrian tcsetattr(p->fd_in, TCSADRAIN, &newtio); 44936285Sbrian 45036285Sbrian stat = fcntl(p->fd_in, F_GETFL, 0); 45136285Sbrian if (stat > 0) { 45236285Sbrian stat |= O_NONBLOCK; 45336285Sbrian fcntl(p->fd_in, F_SETFL, stat); 45436285Sbrian } 45536285Sbrian 45636285Sbrian p->TermMode = NULL; 45736285Sbrian} 45836285Sbrian 45936285Sbrian/* 46036285Sbrian * Set tty into terminal mode which is used while we invoke term command. 46136285Sbrian */ 46236285Sbrianvoid 46336285Sbrianprompt_TtyTermMode(struct prompt *p, struct datalink *dl) 46436285Sbrian{ 46536285Sbrian int stat; 46636285Sbrian 46736285Sbrian if (p->Term == stdout) 46836285Sbrian tcsetattr(p->fd_in, TCSADRAIN, &p->comtio); 46936285Sbrian 47036285Sbrian stat = fcntl(p->fd_in, F_GETFL, 0); 47136285Sbrian if (stat > 0) { 47236285Sbrian stat &= ~O_NONBLOCK; 47336285Sbrian fcntl(p->fd_in, F_SETFL, stat); 47436285Sbrian } 47536285Sbrian p->TermMode = dl; 47636285Sbrian} 47736285Sbrian 47836285Sbrianvoid 47936285Sbrianprompt_TtyOldMode(struct prompt *p) 48036285Sbrian{ 48136285Sbrian int stat; 48236285Sbrian 48336285Sbrian stat = fcntl(p->fd_in, F_GETFL, 0); 48436285Sbrian if (stat > 0) { 48536285Sbrian stat &= ~O_NONBLOCK; 48636285Sbrian fcntl(p->fd_in, F_SETFL, stat); 48736285Sbrian } 48836285Sbrian 48936285Sbrian if (p->Term == stdout) 49036285Sbrian tcsetattr(p->fd_in, TCSADRAIN, &p->oldtio); 49136285Sbrian} 49236285Sbrian 49336285Sbrianpid_t 49436285Sbrianprompt_pgrp(struct prompt *p) 49536285Sbrian{ 49636285Sbrian return tcgetpgrp(p->fd_in); 49736285Sbrian} 49836285Sbrian 49936285Sbrianint 50036285SbrianPasswdCommand(struct cmdargs const *arg) 50136285Sbrian{ 50236285Sbrian const char *pass; 50336285Sbrian 50436285Sbrian if (!arg->prompt) { 50536285Sbrian log_Printf(LogWARN, "passwd: Cannot specify without a prompt\n"); 50636285Sbrian return 0; 50736285Sbrian } 50836285Sbrian 50936285Sbrian if (arg->prompt->owner == NULL) { 51036285Sbrian log_Printf(LogWARN, "passwd: Not required\n"); 51136285Sbrian return 0; 51236285Sbrian } 51336285Sbrian 51436285Sbrian if (arg->argc == arg->argn) 51536285Sbrian pass = ""; 51636285Sbrian else if (arg->argc > arg->argn+1) 51736285Sbrian return -1; 51836285Sbrian else 51936285Sbrian pass = arg->argv[arg->argn]; 52036285Sbrian 52171657Sbrian if (!strcmp(arg->prompt->owner->cfg.passwd, pass)) 52236285Sbrian arg->prompt->auth = LOCAL_AUTH; 52336285Sbrian else 52436285Sbrian arg->prompt->auth = LOCAL_NO_AUTH; 52536285Sbrian 52636285Sbrian return 0; 52736285Sbrian} 52836285Sbrian 52936285Sbrianstatic struct pppTimer bgtimer; 53036285Sbrian 53136285Sbrianstatic void 53236285Sbrianprompt_TimedContinue(void *v) 53336285Sbrian{ 53436285Sbrian prompt_Continue((struct prompt *)v); 53536285Sbrian} 53636285Sbrian 53736285Sbrianvoid 53836285Sbrianprompt_Continue(struct prompt *p) 53936285Sbrian{ 54036285Sbrian timer_Stop(&bgtimer); 54136285Sbrian if (getpgrp() == prompt_pgrp(p)) { 54236285Sbrian prompt_TtyCommandMode(p); 54336285Sbrian p->nonewline = 1; 54436285Sbrian prompt_Required(p); 54536314Sbrian log_ActivatePrompt(p); 54636285Sbrian } else if (!p->owner) { 54736285Sbrian bgtimer.func = prompt_TimedContinue; 54836285Sbrian bgtimer.name = "prompt bg"; 54936285Sbrian bgtimer.load = SECTICKS; 55036285Sbrian bgtimer.arg = p; 55136285Sbrian timer_Start(&bgtimer); 55236285Sbrian } 55336285Sbrian} 55436285Sbrian 55536285Sbrianvoid 55636285Sbrianprompt_Suspend(struct prompt *p) 55736285Sbrian{ 55836285Sbrian if (getpgrp() == prompt_pgrp(p)) { 55936285Sbrian prompt_TtyOldMode(p); 56036314Sbrian log_DeactivatePrompt(p); 56136285Sbrian } 56236285Sbrian} 563