185b542cfSBrian Somers /*- 285b542cfSBrian Somers * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> 385b542cfSBrian Somers * All rights reserved. 485b542cfSBrian Somers * 585b542cfSBrian Somers * Redistribution and use in source and binary forms, with or without 685b542cfSBrian Somers * modification, are permitted provided that the following conditions 785b542cfSBrian Somers * are met: 885b542cfSBrian Somers * 1. Redistributions of source code must retain the above copyright 985b542cfSBrian Somers * notice, this list of conditions and the following disclaimer. 1085b542cfSBrian Somers * 2. Redistributions in binary form must reproduce the above copyright 1185b542cfSBrian Somers * notice, this list of conditions and the following disclaimer in the 1285b542cfSBrian Somers * documentation and/or other materials provided with the distribution. 1385b542cfSBrian Somers * 1485b542cfSBrian Somers * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1585b542cfSBrian Somers * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1685b542cfSBrian Somers * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1785b542cfSBrian Somers * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1885b542cfSBrian Somers * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1985b542cfSBrian Somers * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2085b542cfSBrian Somers * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2185b542cfSBrian Somers * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2285b542cfSBrian Somers * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2385b542cfSBrian Somers * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2485b542cfSBrian Somers * SUCH DAMAGE. 2585b542cfSBrian Somers * 26d93d3a9cSBrian Somers * $Id: prompt.c,v 1.4 1998/05/27 22:43:37 brian Exp $ 2785b542cfSBrian Somers */ 2885b542cfSBrian Somers 2985b542cfSBrian Somers #include <sys/param.h> 3085b542cfSBrian Somers #include <netinet/in.h> 31eaa4df37SBrian Somers #include <netinet/in_systm.h> 32eaa4df37SBrian Somers #include <netinet/ip.h> 33565e35e5SBrian Somers #include <sys/un.h> 3485b542cfSBrian Somers 35833882f7SBrian Somers #include <errno.h> 3685b542cfSBrian Somers #include <stdarg.h> 3785b542cfSBrian Somers #include <stdio.h> 38b6217683SBrian Somers #include <stdlib.h> 39b6217683SBrian Somers #include <string.h> 4085b542cfSBrian Somers #include <sys/fcntl.h> 4185b542cfSBrian Somers #include <termios.h> 4285b542cfSBrian Somers #include <unistd.h> 4385b542cfSBrian Somers 4485b542cfSBrian Somers #include "defs.h" 4585b542cfSBrian Somers #include "timer.h" 4685b542cfSBrian Somers #include "command.h" 4785b542cfSBrian Somers #include "log.h" 4885b542cfSBrian Somers #include "descriptor.h" 4985b542cfSBrian Somers #include "prompt.h" 5085b542cfSBrian Somers #include "fsm.h" 5185b542cfSBrian Somers #include "lcp.h" 5285b542cfSBrian Somers #include "auth.h" 5385b542cfSBrian Somers #include "iplist.h" 5485b542cfSBrian Somers #include "throughput.h" 55eaa4df37SBrian Somers #include "slcompress.h" 5685b542cfSBrian Somers #include "ipcp.h" 575ca5389aSBrian Somers #include "filter.h" 58879ed6faSBrian Somers #include "lqr.h" 593006ec67SBrian Somers #include "hdlc.h" 603006ec67SBrian Somers #include "async.h" 613006ec67SBrian Somers #include "mbuf.h" 623b0f8d2eSBrian Somers #include "ccp.h" 633006ec67SBrian Somers #include "link.h" 643006ec67SBrian Somers #include "physical.h" 653b0f8d2eSBrian Somers #include "mp.h" 663b0f8d2eSBrian Somers #include "bundle.h" 67c5a5a6caSBrian Somers #include "chat.h" 68e2ebb036SBrian Somers #include "chap.h" 69c5a5a6caSBrian Somers #include "datalink.h" 70b6217683SBrian Somers #include "server.h" 7185b542cfSBrian Somers 72b6217683SBrian Somers static void 73b6217683SBrian Somers prompt_Display(struct prompt *p) 74b6217683SBrian Somers { 75d93d3a9cSBrian Somers /* XXX: See Index2Nam() - should we only figure this out once ? */ 76b6217683SBrian Somers static char shostname[MAXHOSTNAMELEN]; 77b6217683SBrian Somers const char *pconnect, *pauth; 78b6217683SBrian Somers 79b6217683SBrian Somers if (p->TermMode || !p->needprompt) 80b6217683SBrian Somers return; 81b6217683SBrian Somers 82b6217683SBrian Somers p->needprompt = 0; 83b6217683SBrian Somers 84b6217683SBrian Somers if (p->nonewline) 85b6217683SBrian Somers p->nonewline = 0; 86b6217683SBrian Somers else 87b6217683SBrian Somers fprintf(p->Term, "\n"); 88b6217683SBrian Somers 89b6217683SBrian Somers if (p->auth == LOCAL_AUTH) 90b6217683SBrian Somers pauth = " ON "; 91b6217683SBrian Somers else 92b6217683SBrian Somers pauth = " on "; 93b6217683SBrian Somers 94b6217683SBrian Somers if (p->bundle->ncp.ipcp.fsm.state == ST_OPENED) 95b6217683SBrian Somers pconnect = "PPP"; 96b6217683SBrian Somers else if (bundle_Phase(p->bundle) == PHASE_NETWORK) 97b6217683SBrian Somers pconnect = "PPp"; 98b6217683SBrian Somers else if (bundle_Phase(p->bundle) == PHASE_AUTHENTICATE) 99b6217683SBrian Somers pconnect = "Ppp"; 100b6217683SBrian Somers else 101b6217683SBrian Somers pconnect = "ppp"; 102b6217683SBrian Somers 103b6217683SBrian Somers if (*shostname == '\0') { 104cdbbb6b5SBrian Somers char *dot; 105b6217683SBrian Somers 106b6217683SBrian Somers if (gethostname(shostname, sizeof shostname)) 107b6217683SBrian Somers strcpy(shostname, "localhost"); 108cdbbb6b5SBrian Somers else if ((dot = strchr(shostname, '.'))) 109cdbbb6b5SBrian Somers *dot = '\0'; 110b6217683SBrian Somers } 111b6217683SBrian Somers 112b6217683SBrian Somers fprintf(p->Term, "%s%s%s> ", pconnect, pauth, shostname); 113b6217683SBrian Somers fflush(p->Term); 114b6217683SBrian Somers } 11585b542cfSBrian Somers 11685b542cfSBrian Somers static int 11785b542cfSBrian Somers prompt_UpdateSet(struct descriptor *d, fd_set *r, fd_set *w, fd_set *e, int *n) 11885b542cfSBrian Somers { 11985b542cfSBrian Somers struct prompt *p = descriptor2prompt(d); 120b6dec9f0SBrian Somers int sets; 12185b542cfSBrian Somers 122b6dec9f0SBrian Somers sets = 0; 123f91ad6b0SBrian Somers 124f91ad6b0SBrian Somers if (!p->active) 125f91ad6b0SBrian Somers return sets; 126f91ad6b0SBrian Somers 12785b542cfSBrian Somers if (p->fd_in >= 0) { 128b6dec9f0SBrian Somers if (r) { 12985b542cfSBrian Somers FD_SET(p->fd_in, r); 13024989c68SBrian Somers log_Printf(LogTIMER, "prompt %s: fdset(r) %d\n", p->src.from, p->fd_in); 131b6dec9f0SBrian Somers sets++; 132b6dec9f0SBrian Somers } 133b6dec9f0SBrian Somers if (e) { 13485b542cfSBrian Somers FD_SET(p->fd_in, e); 13524989c68SBrian Somers log_Printf(LogTIMER, "prompt %s: fdset(e) %d\n", p->src.from, p->fd_in); 136b6dec9f0SBrian Somers sets++; 137b6dec9f0SBrian Somers } 138b6dec9f0SBrian Somers if (sets && *n < p->fd_in + 1) 139b6dec9f0SBrian Somers *n = p->fd_in + 1; 14085b542cfSBrian Somers } 14185b542cfSBrian Somers 142b6217683SBrian Somers prompt_Display(p); 143b6217683SBrian Somers 144b6dec9f0SBrian Somers return sets; 14585b542cfSBrian Somers } 14685b542cfSBrian Somers 14785b542cfSBrian Somers static int 1482f786681SBrian Somers prompt_IsSet(struct descriptor *d, const fd_set *fdset) 14985b542cfSBrian Somers { 15085b542cfSBrian Somers struct prompt *p = descriptor2prompt(d); 15185b542cfSBrian Somers return p->fd_in >= 0 && FD_ISSET(p->fd_in, fdset); 15285b542cfSBrian Somers } 15385b542cfSBrian Somers 15485b542cfSBrian Somers 15585b542cfSBrian Somers static void 15685b542cfSBrian Somers prompt_ShowHelp(struct prompt *p) 15785b542cfSBrian Somers { 15885b542cfSBrian Somers prompt_Printf(p, "The following commands are available:\r\n"); 15985b542cfSBrian Somers prompt_Printf(p, " ~p\tEnter Packet mode\r\n"); 16085b542cfSBrian Somers prompt_Printf(p, " ~-\tDecrease log level\r\n"); 16185b542cfSBrian Somers prompt_Printf(p, " ~+\tIncrease log level\r\n"); 1623b0f8d2eSBrian Somers prompt_Printf(p, " ~t\tShow timers\r\n"); 1633b0f8d2eSBrian Somers prompt_Printf(p, " ~m\tShow memory map\r\n"); 16485b542cfSBrian Somers prompt_Printf(p, " ~.\tTerminate program\r\n"); 16585b542cfSBrian Somers prompt_Printf(p, " ~?\tThis help\r\n"); 16685b542cfSBrian Somers } 16785b542cfSBrian Somers 16885b542cfSBrian Somers static void 16985b542cfSBrian Somers prompt_Read(struct descriptor *d, struct bundle *bundle, const fd_set *fdset) 17085b542cfSBrian Somers { 17185b542cfSBrian Somers struct prompt *p = descriptor2prompt(d); 17285b542cfSBrian Somers int n; 17385b542cfSBrian Somers char ch; 17485b542cfSBrian Somers char linebuff[LINE_LEN]; 17585b542cfSBrian Somers 1761b35f8f7SBrian Somers if (p->TermMode == NULL) { 17785b542cfSBrian Somers n = read(p->fd_in, linebuff, sizeof linebuff - 1); 17885b542cfSBrian Somers if (n > 0) { 17985b542cfSBrian Somers if (linebuff[n-1] == '\n') 18085b542cfSBrian Somers linebuff[--n] = '\0'; 18185b542cfSBrian Somers else 18285b542cfSBrian Somers linebuff[n] = '\0'; 183dd7e2610SBrian Somers p->nonewline = 1; /* Maybe command_Decode does a prompt */ 184b6217683SBrian Somers prompt_Required(p); 18585b542cfSBrian Somers if (n) 186dd7e2610SBrian Somers command_Decode(bundle, linebuff, n, p, p->src.from); 18785b542cfSBrian Somers } else if (n <= 0) { 1880f2f3eb3SBrian Somers log_Printf(LogPHASE, "%s: Client connection closed.\n", p->src.from); 189b6217683SBrian Somers prompt_Destroy(p, 0); 19085b542cfSBrian Somers } 19185b542cfSBrian Somers return; 19285b542cfSBrian Somers } 19385b542cfSBrian Somers 194c7cc5030SBrian Somers switch (p->TermMode->state) { 195c7cc5030SBrian Somers case DATALINK_CLOSED: 196c7cc5030SBrian Somers prompt_Printf(p, "Link lost, terminal mode.\n"); 197b6217683SBrian Somers prompt_TtyCommandMode(p); 198b6217683SBrian Somers p->nonewline = 0; 199b6217683SBrian Somers prompt_Required(p); 200c7cc5030SBrian Somers return; 201c7cc5030SBrian Somers 202c7cc5030SBrian Somers case DATALINK_READY: 203c7cc5030SBrian Somers break; 204c7cc5030SBrian Somers 205c7cc5030SBrian Somers case DATALINK_OPEN: 206c7cc5030SBrian Somers prompt_Printf(p, "\nPacket mode detected.\n"); 207b6217683SBrian Somers prompt_TtyCommandMode(p); 208b6217683SBrian Somers p->nonewline = 0; 209c7cc5030SBrian Somers /* We'll get a prompt because of our status change */ 210c7cc5030SBrian Somers /* Fall through */ 211c7cc5030SBrian Somers 212c7cc5030SBrian Somers default: 213c7cc5030SBrian Somers /* Wait 'till we're in a state we care about */ 214c7cc5030SBrian Somers return; 215c7cc5030SBrian Somers } 216c7cc5030SBrian Somers 21785b542cfSBrian Somers /* 21885b542cfSBrian Somers * We are in terminal mode, decode special sequences 21985b542cfSBrian Somers */ 22085b542cfSBrian Somers n = read(p->fd_in, &ch, 1); 221dd7e2610SBrian Somers log_Printf(LogDEBUG, "Got %d bytes (reading from the terminal)\n", n); 22285b542cfSBrian Somers 22385b542cfSBrian Somers if (n > 0) { 224d93d3a9cSBrian Somers switch (p->readtilde) { 22585b542cfSBrian Somers case 0: 22685b542cfSBrian Somers if (ch == '~') 227d93d3a9cSBrian Somers p->readtilde = 1; 22885b542cfSBrian Somers else 229dd7e2610SBrian Somers if (physical_Write(p->TermMode->physical, &ch, n) < 0) { 230dd7e2610SBrian Somers log_Printf(LogERROR, "error writing to modem: %s\n", strerror(errno)); 231833882f7SBrian Somers prompt_TtyCommandMode(p); 232833882f7SBrian Somers } 23385b542cfSBrian Somers break; 23485b542cfSBrian Somers case 1: 23585b542cfSBrian Somers switch (ch) { 23685b542cfSBrian Somers case '?': 23785b542cfSBrian Somers prompt_ShowHelp(p); 23885b542cfSBrian Somers break; 23985b542cfSBrian Somers case 'p': 240c7cc5030SBrian Somers datalink_Up(p->TermMode, 0, 1); 241c7cc5030SBrian Somers prompt_Printf(p, "\nPacket mode.\n"); 242b6217683SBrian Somers prompt_TtyCommandMode(p); 24385b542cfSBrian Somers break; 24485b542cfSBrian Somers case '.': 245b6217683SBrian Somers prompt_TtyCommandMode(p); 246b6217683SBrian Somers p->nonewline = 0; 247b6217683SBrian Somers prompt_Required(p); 24885b542cfSBrian Somers break; 24985b542cfSBrian Somers case 't': 250dd7e2610SBrian Somers timer_Show(0, p); 25185b542cfSBrian Somers break; 25285b542cfSBrian Somers case 'm': 253dd7e2610SBrian Somers mbuf_Show(NULL); 25485b542cfSBrian Somers break; 25585b542cfSBrian Somers default: 256dd7e2610SBrian Somers if (physical_Write(p->TermMode->physical, &ch, n) < 0) { 257dd7e2610SBrian Somers log_Printf(LogERROR, "error writing to modem: %s\n", strerror(errno)); 258833882f7SBrian Somers prompt_TtyCommandMode(p); 259833882f7SBrian Somers } 26085b542cfSBrian Somers break; 26185b542cfSBrian Somers } 262d93d3a9cSBrian Somers p->readtilde = 0; 26385b542cfSBrian Somers break; 26485b542cfSBrian Somers } 26585b542cfSBrian Somers } 26685b542cfSBrian Somers } 26785b542cfSBrian Somers 26885b542cfSBrian Somers static void 269f4768038SBrian Somers prompt_Write(struct descriptor *d, struct bundle *bundle, const fd_set *fdset) 27085b542cfSBrian Somers { 271f4768038SBrian Somers /* We never want to write here ! */ 272dd7e2610SBrian Somers log_Printf(LogERROR, "prompt_Write: Internal error: Bad call !\n"); 27385b542cfSBrian Somers } 27485b542cfSBrian Somers 275b6217683SBrian Somers struct prompt * 276b6217683SBrian Somers prompt_Create(struct server *s, struct bundle *bundle, int fd) 27785b542cfSBrian Somers { 278b6217683SBrian Somers struct prompt *p = (struct prompt *)malloc(sizeof(struct prompt)); 27985b542cfSBrian Somers 280b6217683SBrian Somers if (p != NULL) { 281b6217683SBrian Somers p->desc.type = PROMPT_DESCRIPTOR; 282b6217683SBrian Somers p->desc.UpdateSet = prompt_UpdateSet; 283b6217683SBrian Somers p->desc.IsSet = prompt_IsSet; 284b6217683SBrian Somers p->desc.Read = prompt_Read; 285b6217683SBrian Somers p->desc.Write = prompt_Write; 28685b542cfSBrian Somers 287b6217683SBrian Somers if (fd == PROMPT_STD) { 2880f78c7a7SBrian Somers char *tty = ttyname(STDIN_FILENO); 2890f78c7a7SBrian Somers 2900f78c7a7SBrian Somers if (!tty) { 2910f78c7a7SBrian Somers free(p); 2920f78c7a7SBrian Somers return NULL; 2930f78c7a7SBrian Somers } 29485b542cfSBrian Somers p->fd_in = STDIN_FILENO; 29585b542cfSBrian Somers p->fd_out = STDOUT_FILENO; 29685b542cfSBrian Somers p->Term = stdout; 297b6217683SBrian Somers p->owner = NULL; 298b6217683SBrian Somers p->auth = LOCAL_AUTH; 299565e35e5SBrian Somers p->src.type = "Controller"; 3000f78c7a7SBrian Somers strncpy(p->src.from, tty, sizeof p->src.from - 1); 301565e35e5SBrian Somers p->src.from[sizeof p->src.from - 1] = '\0'; 302b6217683SBrian Somers tcgetattr(p->fd_in, &p->oldtio); /* Save original tty mode */ 30385b542cfSBrian Somers } else { 30485b542cfSBrian Somers p->fd_in = p->fd_out = fd; 30585b542cfSBrian Somers p->Term = fdopen(fd, "a+"); 306b6217683SBrian Somers p->owner = s; 307b6217683SBrian Somers p->auth = *s->passwd ? LOCAL_NO_AUTH : LOCAL_AUTH; 308565e35e5SBrian Somers p->src.type = "unknown"; 309565e35e5SBrian Somers *p->src.from = '\0'; 31085b542cfSBrian Somers } 3111b35f8f7SBrian Somers p->TermMode = NULL; 312b6217683SBrian Somers p->nonewline = 1; 313b6217683SBrian Somers p->needprompt = 1; 314d93d3a9cSBrian Somers p->readtilde = 0; 315b6217683SBrian Somers p->bundle = bundle; 316b6217683SBrian Somers log_RegisterPrompt(p); 317b6217683SBrian Somers } 31885b542cfSBrian Somers 319b6217683SBrian Somers return p; 32085b542cfSBrian Somers } 32185b542cfSBrian Somers 3223006ec67SBrian Somers void 323b6217683SBrian Somers prompt_Destroy(struct prompt *p, int verbose) 32485b542cfSBrian Somers { 3250f78c7a7SBrian Somers if (p) { 326b6217683SBrian Somers if (p->Term != stdout) { 327b6217683SBrian Somers fclose(p->Term); 32885b542cfSBrian Somers close(p->fd_in); 32985b542cfSBrian Somers if (p->fd_out != p->fd_in) 33085b542cfSBrian Somers close(p->fd_out); 33185b542cfSBrian Somers if (verbose) 3320f2f3eb3SBrian Somers log_Printf(LogPHASE, "%s: Client connection dropped.\n", p->src.from); 333b6217683SBrian Somers } else 334b6217683SBrian Somers prompt_TtyOldMode(p); 335b6217683SBrian Somers 336565e35e5SBrian Somers log_UnRegisterPrompt(p); 337565e35e5SBrian Somers free(p); 33885b542cfSBrian Somers } 3390f78c7a7SBrian Somers } 34085b542cfSBrian Somers 34185b542cfSBrian Somers void 34285b542cfSBrian Somers prompt_Printf(struct prompt *p, const char *fmt,...) 34385b542cfSBrian Somers { 344f91ad6b0SBrian Somers if (p && p->active) { 34585b542cfSBrian Somers va_list ap; 34685b542cfSBrian Somers va_start(ap, fmt); 34785b542cfSBrian Somers vfprintf(p->Term, fmt, ap); 34885b542cfSBrian Somers fflush(p->Term); 34985b542cfSBrian Somers va_end(ap); 350c06d604bSBrian Somers p->nonewline = 1; 35185b542cfSBrian Somers } 35285b542cfSBrian Somers } 35385b542cfSBrian Somers 35485b542cfSBrian Somers void 35585b542cfSBrian Somers prompt_vPrintf(struct prompt *p, const char *fmt, va_list ap) 35685b542cfSBrian Somers { 357f91ad6b0SBrian Somers if (p && p->active) { 35885b542cfSBrian Somers vfprintf(p->Term, fmt, ap); 35985b542cfSBrian Somers fflush(p->Term); 360c06d604bSBrian Somers p->nonewline = 1; 36185b542cfSBrian Somers } 36285b542cfSBrian Somers } 36385b542cfSBrian Somers 36485b542cfSBrian Somers void 365565e35e5SBrian Somers prompt_TtyInit(struct prompt *p) 36685b542cfSBrian Somers { 367565e35e5SBrian Somers int stat, fd = p ? p->fd_in : STDIN_FILENO; 368b6217683SBrian Somers struct termios newtio; 369b6217683SBrian Somers 370565e35e5SBrian Somers stat = fcntl(fd, F_GETFL, 0); 371565e35e5SBrian Somers if (stat > 0) { 372565e35e5SBrian Somers stat |= O_NONBLOCK; 373565e35e5SBrian Somers fcntl(fd, F_SETFL, stat); 374565e35e5SBrian Somers } 375565e35e5SBrian Somers 376565e35e5SBrian Somers if (p) 37785b542cfSBrian Somers newtio = p->oldtio; 378565e35e5SBrian Somers else 379565e35e5SBrian Somers tcgetattr(fd, &newtio); 380565e35e5SBrian Somers 38185b542cfSBrian Somers newtio.c_lflag &= ~(ECHO | ISIG | ICANON); 38285b542cfSBrian Somers newtio.c_iflag = 0; 38385b542cfSBrian Somers newtio.c_oflag &= ~OPOST; 38485b542cfSBrian Somers newtio.c_cc[VEOF] = _POSIX_VDISABLE; 385565e35e5SBrian Somers if (!p) 38685b542cfSBrian Somers newtio.c_cc[VINTR] = _POSIX_VDISABLE; 38785b542cfSBrian Somers newtio.c_cc[VMIN] = 1; 38885b542cfSBrian Somers newtio.c_cc[VTIME] = 0; 38985b542cfSBrian Somers newtio.c_cflag |= CS8; 390565e35e5SBrian Somers tcsetattr(fd, TCSANOW, &newtio); 391565e35e5SBrian Somers if (p) 39285b542cfSBrian Somers p->comtio = newtio; 39385b542cfSBrian Somers } 39485b542cfSBrian Somers 39585b542cfSBrian Somers /* 39685b542cfSBrian Somers * Set tty into command mode. We allow canonical input and echo processing. 39785b542cfSBrian Somers */ 39885b542cfSBrian Somers void 39985b542cfSBrian Somers prompt_TtyCommandMode(struct prompt *p) 40085b542cfSBrian Somers { 40185b542cfSBrian Somers struct termios newtio; 40285b542cfSBrian Somers int stat; 40385b542cfSBrian Somers 40485b542cfSBrian Somers tcgetattr(p->fd_in, &newtio); 40585b542cfSBrian Somers newtio.c_lflag |= (ECHO | ISIG | ICANON); 40685b542cfSBrian Somers newtio.c_iflag = p->oldtio.c_iflag; 40785b542cfSBrian Somers newtio.c_oflag |= OPOST; 40885b542cfSBrian Somers tcsetattr(p->fd_in, TCSADRAIN, &newtio); 409b6217683SBrian Somers 41085b542cfSBrian Somers stat = fcntl(p->fd_in, F_GETFL, 0); 41185b542cfSBrian Somers if (stat > 0) { 41285b542cfSBrian Somers stat |= O_NONBLOCK; 413b6217683SBrian Somers fcntl(p->fd_in, F_SETFL, stat); 41485b542cfSBrian Somers } 415b6217683SBrian Somers 4161b35f8f7SBrian Somers p->TermMode = NULL; 41785b542cfSBrian Somers } 41885b542cfSBrian Somers 41985b542cfSBrian Somers /* 42085b542cfSBrian Somers * Set tty into terminal mode which is used while we invoke term command. 42185b542cfSBrian Somers */ 42285b542cfSBrian Somers void 4231b35f8f7SBrian Somers prompt_TtyTermMode(struct prompt *p, struct datalink *dl) 42485b542cfSBrian Somers { 42585b542cfSBrian Somers int stat; 42685b542cfSBrian Somers 427b6217683SBrian Somers prompt_Printf(p, "Entering terminal mode on %s.\n", dl->name); 428b6217683SBrian Somers prompt_Printf(p, "Type `~?' for help.\n"); 429b6217683SBrian Somers 430b6217683SBrian Somers if (p->Term == stdout) 43185b542cfSBrian Somers tcsetattr(p->fd_in, TCSADRAIN, &p->comtio); 432b6217683SBrian Somers 43385b542cfSBrian Somers stat = fcntl(p->fd_in, F_GETFL, 0); 43485b542cfSBrian Somers if (stat > 0) { 43585b542cfSBrian Somers stat &= ~O_NONBLOCK; 436b6217683SBrian Somers fcntl(p->fd_in, F_SETFL, stat); 43785b542cfSBrian Somers } 4381b35f8f7SBrian Somers p->TermMode = dl; 43985b542cfSBrian Somers } 44085b542cfSBrian Somers 44185b542cfSBrian Somers void 44285b542cfSBrian Somers prompt_TtyOldMode(struct prompt *p) 44385b542cfSBrian Somers { 44485b542cfSBrian Somers int stat; 44585b542cfSBrian Somers 44685b542cfSBrian Somers stat = fcntl(p->fd_in, F_GETFL, 0); 44785b542cfSBrian Somers if (stat > 0) { 44885b542cfSBrian Somers stat &= ~O_NONBLOCK; 449b6217683SBrian Somers fcntl(p->fd_in, F_SETFL, stat); 45085b542cfSBrian Somers } 451b6217683SBrian Somers 452b6217683SBrian Somers if (p->Term == stdout) 45385b542cfSBrian Somers tcsetattr(p->fd_in, TCSADRAIN, &p->oldtio); 45485b542cfSBrian Somers } 45585b542cfSBrian Somers 45685b542cfSBrian Somers pid_t 45785b542cfSBrian Somers prompt_pgrp(struct prompt *p) 45885b542cfSBrian Somers { 459b6217683SBrian Somers return tcgetpgrp(p->fd_in); 460b6217683SBrian Somers } 461b6217683SBrian Somers 462b6217683SBrian Somers int 463b6217683SBrian Somers PasswdCommand(struct cmdargs const *arg) 464b6217683SBrian Somers { 465b6217683SBrian Somers const char *pass; 466b6217683SBrian Somers 467b6217683SBrian Somers if (!arg->prompt) { 468dd7e2610SBrian Somers log_Printf(LogWARN, "passwd: Cannot specify without a prompt\n"); 469b6217683SBrian Somers return 0; 470b6217683SBrian Somers } 471b6217683SBrian Somers 472b6217683SBrian Somers if (arg->prompt->owner == NULL) { 473dd7e2610SBrian Somers log_Printf(LogWARN, "passwd: Not required\n"); 474b6217683SBrian Somers return 0; 475b6217683SBrian Somers } 476b6217683SBrian Somers 47725092092SBrian Somers if (arg->argc == arg->argn) 478b6217683SBrian Somers pass = ""; 47925092092SBrian Somers else if (arg->argc > arg->argn+1) 480b6217683SBrian Somers return -1; 481b6217683SBrian Somers else 48225092092SBrian Somers pass = arg->argv[arg->argn]; 483b6217683SBrian Somers 484b6217683SBrian Somers if (!strcmp(arg->prompt->owner->passwd, pass)) 485b6217683SBrian Somers arg->prompt->auth = LOCAL_AUTH; 486b6217683SBrian Somers else 487b6217683SBrian Somers arg->prompt->auth = LOCAL_NO_AUTH; 488b6217683SBrian Somers 489b6217683SBrian Somers return 0; 49085b542cfSBrian Somers } 491f91ad6b0SBrian Somers 492f91ad6b0SBrian Somers static struct pppTimer bgtimer; 493f91ad6b0SBrian Somers 494f91ad6b0SBrian Somers static void 495f91ad6b0SBrian Somers prompt_TimedContinue(void *v) 496f91ad6b0SBrian Somers { 497f91ad6b0SBrian Somers prompt_Continue((struct prompt *)v); 498f91ad6b0SBrian Somers } 499f91ad6b0SBrian Somers 500f91ad6b0SBrian Somers void 501f91ad6b0SBrian Somers prompt_Continue(struct prompt *p) 502f91ad6b0SBrian Somers { 503dd7e2610SBrian Somers timer_Stop(&bgtimer); 504f91ad6b0SBrian Somers if (getpgrp() == prompt_pgrp(p)) { 505f91ad6b0SBrian Somers prompt_TtyCommandMode(p); 506f91ad6b0SBrian Somers p->nonewline = 1; 507f91ad6b0SBrian Somers prompt_Required(p); 5080f2f3eb3SBrian Somers log_ActivatePrompt(p); 509f91ad6b0SBrian Somers } else if (!p->owner) { 510f91ad6b0SBrian Somers bgtimer.func = prompt_TimedContinue; 511f91ad6b0SBrian Somers bgtimer.name = "prompt bg"; 512f91ad6b0SBrian Somers bgtimer.load = SECTICKS; 513f91ad6b0SBrian Somers bgtimer.arg = p; 514dd7e2610SBrian Somers timer_Start(&bgtimer); 515f91ad6b0SBrian Somers } 516f91ad6b0SBrian Somers } 517f91ad6b0SBrian Somers 518f91ad6b0SBrian Somers void 519f91ad6b0SBrian Somers prompt_Suspend(struct prompt *p) 520f91ad6b0SBrian Somers { 521f91ad6b0SBrian Somers if (getpgrp() == prompt_pgrp(p)) { 522f91ad6b0SBrian Somers prompt_TtyOldMode(p); 5230f2f3eb3SBrian Somers log_DeactivatePrompt(p); 524f91ad6b0SBrian Somers } 525f91ad6b0SBrian Somers } 526