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-rw-r--r--usr.sbin/ppp/prompt.c574
1 files changed, 0 insertions, 574 deletions
diff --git a/usr.sbin/ppp/prompt.c b/usr.sbin/ppp/prompt.c
deleted file mode 100644
index de331ef..0000000
--- a/usr.sbin/ppp/prompt.c
+++ /dev/null
@@ -1,574 +0,0 @@
-/*-
- * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#include <sys/param.h>
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-
-#include <errno.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/fcntl.h>
-#include <termios.h>
-#include <unistd.h>
-
-#include "layer.h"
-#include "defs.h"
-#include "timer.h"
-#include "command.h"
-#include "log.h"
-#include "descriptor.h"
-#include "prompt.h"
-#include "fsm.h"
-#include "auth.h"
-#include "iplist.h"
-#include "throughput.h"
-#include "slcompress.h"
-#include "mbuf.h"
-#include "lqr.h"
-#include "hdlc.h"
-#include "lcp.h"
-#include "ncpaddr.h"
-#include "ipcp.h"
-#include "filter.h"
-#include "async.h"
-#include "ccp.h"
-#include "link.h"
-#include "physical.h"
-#include "mp.h"
-#ifndef NORADIUS
-#include "radius.h"
-#endif
-#include "ipv6cp.h"
-#include "ncp.h"
-#include "bundle.h"
-#include "chat.h"
-#include "chap.h"
-#include "cbcp.h"
-#include "datalink.h"
-#include "server.h"
-#include "main.h"
-
-static void
-prompt_Display(struct prompt *p)
-{
- /* XXX: See Index2Nam() - should we only figure this out once ? */
- static char shostname[MAXHOSTNAMELEN];
- const char *pconnect, *pauth;
-
- if (p->TermMode || !p->needprompt)
- return;
-
- p->needprompt = 0;
-
- if (p->nonewline)
- p->nonewline = 0;
- else
- fprintf(p->Term, "\n");
-
- if (p->auth == LOCAL_AUTH)
- pauth = " ON ";
- else
- pauth = " on ";
-
- if (p->bundle->ncp.ipcp.fsm.state == ST_OPENED)
- pconnect = "PPP";
-#ifndef NOINET6
- else if (!Enabled(p->bundle, OPT_IPCP) &&
- p->bundle->ncp.ipv6cp.fsm.state == ST_OPENED)
- pconnect = "PPP";
-#endif
- else if (bundle_Phase(p->bundle) == PHASE_NETWORK)
- pconnect = "PPp";
- else if (bundle_Phase(p->bundle) == PHASE_AUTHENTICATE)
- pconnect = "Ppp";
- else
- pconnect = "ppp";
-
- if (*shostname == '\0') {
- char *dot;
-
- if (gethostname(shostname, sizeof shostname) || *shostname == '\0')
- strcpy(shostname, "localhost");
- else if ((dot = strchr(shostname, '.')))
- *dot = '\0';
- }
-
- fprintf(p->Term, "%s%s%s> ", pconnect, pauth, shostname);
- fflush(p->Term);
-}
-
-static int
-prompt_UpdateSet(struct fdescriptor *d, fd_set *r, fd_set *w __unused,
- fd_set *e, int *n)
-{
- struct prompt *p = descriptor2prompt(d);
- int sets;
-
- sets = 0;
-
- if (!p->active)
- return sets;
-
- if (p->fd_in >= 0) {
- if (r) {
- FD_SET(p->fd_in, r);
- log_Printf(LogTIMER, "prompt %s: fdset(r) %d\n", p->src.from, p->fd_in);
- sets++;
- }
- if (e) {
- FD_SET(p->fd_in, e);
- log_Printf(LogTIMER, "prompt %s: fdset(e) %d\n", p->src.from, p->fd_in);
- sets++;
- }
- if (sets && *n < p->fd_in + 1)
- *n = p->fd_in + 1;
- }
-
- prompt_Display(p);
-
- return sets;
-}
-
-static int
-prompt_IsSet(struct fdescriptor *d, const fd_set *fdset)
-{
- struct prompt *p = descriptor2prompt(d);
- return p->fd_in >= 0 && FD_ISSET(p->fd_in, fdset);
-}
-
-
-static void
-prompt_ShowHelp(struct prompt *p)
-{
- prompt_Printf(p, "The following commands are available:\n");
- prompt_Printf(p, " ~p\tEnter Packet mode\n");
- prompt_Printf(p, " ~t\tShow timers\n");
- prompt_Printf(p, " ~m\tShow memory map\n");
- prompt_Printf(p, " ~.\tTerminate program\n");
- prompt_Printf(p, " ~?\tThis help\n");
-}
-
-static void
-prompt_Read(struct fdescriptor *d, struct bundle *bundle,
- const fd_set *fdset __unused)
-{
- struct prompt *p = descriptor2prompt(d);
- struct prompt *op;
- int n;
- char ch;
- char linebuff[LINE_LEN];
-
- if (p->TermMode == NULL) {
- n = read(p->fd_in, linebuff, sizeof linebuff - 1);
- if (n > 0) {
- if (linebuff[n-1] == '\n')
- linebuff[--n] = '\0';
- else
- linebuff[n] = '\0';
- p->nonewline = 1; /* Maybe command_Decode does a prompt */
- prompt_Required(p);
- if (n) {
- if ((op = log_PromptContext) == NULL)
- log_PromptContext = p;
- if (!command_Decode(bundle, linebuff, n, p, p->src.from))
- prompt_Printf(p, "Syntax error\n");
- log_PromptContext = op;
- }
- } else if (n <= 0) {
- log_Printf(LogPHASE, "%s: Client connection closed.\n", p->src.from);
- if (!p->owner)
- Cleanup();
- prompt_Destroy(p, 0);
- }
- return;
- }
-
- switch (p->TermMode->state) {
- case DATALINK_CLOSED:
- prompt_Printf(p, "Link lost, terminal mode.\n");
- prompt_TtyCommandMode(p);
- p->nonewline = 0;
- prompt_Required(p);
- return;
-
- case DATALINK_READY:
- break;
-
- case DATALINK_OPEN:
- prompt_Printf(p, "\nPacket mode detected.\n");
- prompt_TtyCommandMode(p);
- p->nonewline = 0;
- /* We'll get a prompt because of our status change */
- /* FALLTHROUGH */
-
- default:
- /* Wait 'till we're in a state we care about */
- return;
- }
-
- /*
- * We are in terminal mode, decode special sequences
- */
- n = read(p->fd_in, &ch, 1);
- log_Printf(LogDEBUG, "Got %d bytes (reading from the terminal)\n", n);
-
- if (n > 0) {
- switch (p->readtilde) {
- case 0:
- if (ch == '~')
- p->readtilde = 1;
- else
- if (physical_Write(p->TermMode->physical, &ch, n) < 0) {
- log_Printf(LogWARN, "error writing to modem: %s\n", strerror(errno));
- prompt_TtyCommandMode(p);
- }
- break;
- case 1:
- switch (ch) {
- case '?':
- prompt_ShowHelp(p);
- break;
- case 'p':
- datalink_Up(p->TermMode, 0, 1);
- prompt_Printf(p, "\nPacket mode.\n");
- prompt_TtyCommandMode(p);
- break;
- case '.':
- prompt_TtyCommandMode(p);
- p->nonewline = 0;
- prompt_Required(p);
- break;
- case 't':
- timer_Show(0, p);
- break;
- case 'm':
- {
- struct cmdargs arg;
-
- arg.cmdtab = NULL;
- arg.cmd = NULL;
- arg.argc = 0;
- arg.argn = 0;
- arg.argv = NULL;
- arg.bundle = bundle;
- arg.cx = p->TermMode;
- arg.prompt = p;
-
- mbuf_Show(&arg);
- }
- break;
- default:
- if (physical_Write(p->TermMode->physical, &ch, n) < 0) {
- log_Printf(LogWARN, "error writing to modem: %s\n", strerror(errno));
- prompt_TtyCommandMode(p);
- }
- break;
- }
- p->readtilde = 0;
- break;
- }
- }
-}
-
-static int
-prompt_Write(struct fdescriptor *d __unused, struct bundle *bundle __unused,
- const fd_set *fdset __unused)
-{
- /* We never want to write here ! */
- log_Printf(LogALERT, "prompt_Write: Internal error: Bad call !\n");
- return 0;
-}
-
-struct prompt *
-prompt_Create(struct server *s, struct bundle *bundle, int fd)
-{
- struct prompt *p = (struct prompt *)malloc(sizeof(struct prompt));
-
- if (p != NULL) {
- p->desc.type = PROMPT_DESCRIPTOR;
- p->desc.UpdateSet = prompt_UpdateSet;
- p->desc.IsSet = prompt_IsSet;
- p->desc.Read = prompt_Read;
- p->desc.Write = prompt_Write;
-
- if (fd == PROMPT_STD) {
- char *tty = ttyname(STDIN_FILENO);
-
- if (!tty) {
- free(p);
- return NULL;
- }
- p->fd_in = STDIN_FILENO;
- p->fd_out = STDOUT_FILENO;
- p->Term = stdout;
- p->owner = NULL;
- p->auth = LOCAL_AUTH;
- p->src.type = "Controller";
- strncpy(p->src.from, tty, sizeof p->src.from - 1);
- p->src.from[sizeof p->src.from - 1] = '\0';
- tcgetattr(p->fd_in, &p->oldtio); /* Save original tty mode */
- } else {
- p->fd_in = p->fd_out = fd;
- p->Term = fdopen(fd, "a+");
- p->owner = s;
- p->auth = *s->cfg.passwd ? LOCAL_NO_AUTH : LOCAL_AUTH;
- p->src.type = "unknown";
- *p->src.from = '\0';
- }
- p->TermMode = NULL;
- p->nonewline = 1;
- p->needprompt = 1;
- p->readtilde = 0;
- p->bundle = bundle;
- log_RegisterPrompt(p);
- }
-
- return p;
-}
-
-void
-prompt_Destroy(struct prompt *p, int verbose)
-{
- if (p) {
- if (p->Term != stdout) {
- fclose(p->Term);
- close(p->fd_in);
- if (p->fd_out != p->fd_in)
- close(p->fd_out);
- if (verbose)
- log_Printf(LogPHASE, "%s: Client connection dropped.\n", p->src.from);
- } else
- prompt_TtyOldMode(p);
-
- log_UnRegisterPrompt(p);
- free(p);
- }
-}
-
-void
-prompt_Printf(struct prompt *p, const char *fmt,...)
-{
- if (p && p->active) {
- va_list ap;
-
- va_start(ap, fmt);
- prompt_vPrintf(p, fmt, ap);
- va_end(ap);
- }
-}
-
-void
-prompt_vPrintf(struct prompt *p, const char *fmt, va_list ap)
-{
- if (p && p->active) {
- char nfmt[LINE_LEN];
- const char *pfmt;
-
- if (p->TermMode) {
- /* Stuff '\r' in front of '\n' 'cos we're in raw mode */
- size_t len = strlen(fmt);
-
- if (len && len < sizeof nfmt - 1 && fmt[len-1] == '\n' &&
- (len == 1 || fmt[len-2] != '\r')) {
- strcpy(nfmt, fmt);
- strcpy(nfmt + len - 1, "\r\n");
- pfmt = nfmt;
- } else
- pfmt = fmt;
- } else
- pfmt = fmt;
- vfprintf(p->Term, pfmt, ap);
- fflush(p->Term);
- p->nonewline = 1;
- }
-}
-
-void
-prompt_TtyInit(struct prompt *p)
-{
- int stat, fd = p ? p->fd_in : STDIN_FILENO;
- struct termios newtio;
-
- stat = fcntl(fd, F_GETFL, 0);
- if (stat > 0) {
- stat |= O_NONBLOCK;
- fcntl(fd, F_SETFL, stat);
- }
-
- if (p)
- newtio = p->oldtio;
- else
- tcgetattr(fd, &newtio);
-
- newtio.c_lflag &= ~(ECHO | ISIG | ICANON);
- newtio.c_iflag = 0;
- newtio.c_oflag &= ~OPOST;
- if (!p)
- newtio.c_cc[VINTR] = _POSIX_VDISABLE;
- newtio.c_cc[VMIN] = 1;
- newtio.c_cc[VTIME] = 0;
- newtio.c_cflag |= CS8;
- tcsetattr(fd, TCSANOW, &newtio);
- if (p)
- p->comtio = newtio;
-}
-
-/*
- * Set tty into command mode. We allow canonical input and echo processing.
- */
-void
-prompt_TtyCommandMode(struct prompt *p)
-{
- struct termios newtio;
- int stat;
-
- tcgetattr(p->fd_in, &newtio);
- newtio.c_lflag |= (ECHO | ISIG | ICANON);
- newtio.c_iflag = p->oldtio.c_iflag;
- newtio.c_oflag |= OPOST;
- tcsetattr(p->fd_in, TCSADRAIN, &newtio);
-
- stat = fcntl(p->fd_in, F_GETFL, 0);
- if (stat > 0) {
- stat |= O_NONBLOCK;
- fcntl(p->fd_in, F_SETFL, stat);
- }
-
- p->TermMode = NULL;
-}
-
-/*
- * Set tty into terminal mode which is used while we invoke term command.
- */
-void
-prompt_TtyTermMode(struct prompt *p, struct datalink *dl)
-{
- int stat;
-
- if (p->Term == stdout)
- tcsetattr(p->fd_in, TCSADRAIN, &p->comtio);
-
- stat = fcntl(p->fd_in, F_GETFL, 0);
- if (stat > 0) {
- stat &= ~O_NONBLOCK;
- fcntl(p->fd_in, F_SETFL, stat);
- }
- p->TermMode = dl;
-}
-
-void
-prompt_TtyOldMode(struct prompt *p)
-{
- int stat;
-
- stat = fcntl(p->fd_in, F_GETFL, 0);
- if (stat > 0) {
- stat &= ~O_NONBLOCK;
- fcntl(p->fd_in, F_SETFL, stat);
- }
-
- if (p->Term == stdout)
- tcsetattr(p->fd_in, TCSADRAIN, &p->oldtio);
-}
-
-pid_t
-prompt_pgrp(struct prompt *p)
-{
- return tcgetpgrp(p->fd_in);
-}
-
-int
-PasswdCommand(struct cmdargs const *arg)
-{
- const char *pass;
-
- if (!arg->prompt) {
- log_Printf(LogWARN, "passwd: Cannot specify without a prompt\n");
- return 0;
- }
-
- if (arg->prompt->owner == NULL) {
- log_Printf(LogWARN, "passwd: Not required\n");
- return 0;
- }
-
- if (arg->argc == arg->argn)
- pass = "";
- else if (arg->argc > arg->argn+1)
- return -1;
- else
- pass = arg->argv[arg->argn];
-
- if (!strcmp(arg->prompt->owner->cfg.passwd, pass))
- arg->prompt->auth = LOCAL_AUTH;
- else
- arg->prompt->auth = LOCAL_NO_AUTH;
-
- return 0;
-}
-
-static struct pppTimer bgtimer;
-
-static void
-prompt_TimedContinue(void *v)
-{
- prompt_Continue((struct prompt *)v);
-}
-
-void
-prompt_Continue(struct prompt *p)
-{
- timer_Stop(&bgtimer);
- if (getpgrp() == prompt_pgrp(p)) {
- prompt_TtyCommandMode(p);
- p->nonewline = 1;
- prompt_Required(p);
- log_ActivatePrompt(p);
- } else if (!p->owner) {
- bgtimer.func = prompt_TimedContinue;
- bgtimer.name = "prompt bg";
- bgtimer.load = SECTICKS;
- bgtimer.arg = p;
- timer_Start(&bgtimer);
- }
-}
-
-void
-prompt_Suspend(struct prompt *p)
-{
- if (getpgrp() == prompt_pgrp(p)) {
- prompt_TtyOldMode(p);
- log_DeactivatePrompt(p);
- }
-}
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