1 files changed, 441 insertions, 0 deletions
diff --git a/usr.sbin/ppp/defs.c b/usr.sbin/ppp/defs.c
new file mode 100644
index 0000000..856c200
--- /dev/null
+++ b/usr.sbin/ppp/defs.c
@@ -0,0 +1,441 @@
+/*-
+ * Copyright (c) 1997 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 <netdb.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/socket.h>
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#if defined(__FreeBSD__) && !defined(NOKLDLOAD)
+#include <sys/module.h>
+#endif
+#include <termios.h>
+#ifndef __FreeBSD__
+#include <time.h>
+#endif
+#include <unistd.h>
+
+#if defined(__FreeBSD__) && !defined(NOKLDLOAD)
+#include "id.h"
+#include "log.h"
+#endif
+#include "defs.h"
+
+#define	issep(c)	((c) == '\t' || (c) == ' ')
+
+#ifdef __NetBSD__
+void
+randinit()
+{
+  srandom((time(NULL)^getpid())+random());
+}
+#endif
+
+ssize_t
+fullread(int fd, void *v, size_t n)
+{
+  size_t got, total;
+
+  for (total = 0; total < n; total += got)
+    switch ((got = read(fd, (char *)v + total, n - total))) {
+      case 0:
+        return total;
+      case -1:
+        if (errno == EINTR)
+          got = 0;
+        else
+          return -1;
+    }
+  return total;
+}
+
+static struct {
+  int mode;
+  const char *name;
+} modes[] = {
+  { PHYS_INTERACTIVE, "interactive" },
+  { PHYS_AUTO, "auto" },
+  { PHYS_DIRECT, "direct" },
+  { PHYS_DEDICATED, "dedicated" },
+  { PHYS_DDIAL, "ddial" },
+  { PHYS_BACKGROUND, "background" },
+  { PHYS_FOREGROUND, "foreground" },
+  { PHYS_ALL, "*" },
+  { 0, 0 }
+};
+
+const char *
+mode2Nam(int mode)
+{
+  int m;
+
+  for (m = 0; modes[m].mode; m++)
+    if (modes[m].mode == mode)
+      return modes[m].name;
+
+  return "unknown";
+}
+
+int
+Nam2mode(const char *name)
+{
+  int m, got, len;
+
+  len = strlen(name);
+  got = -1;
+  for (m = 0; modes[m].mode; m++)
+    if (!strncasecmp(name, modes[m].name, len)) {
+      if (modes[m].name[len] == '\0')
+	return modes[m].mode;
+      if (got != -1)
+        return 0;
+      got = m;
+    }
+
+  return got == -1 ? 0 : modes[got].mode;
+}
+
+struct in_addr
+GetIpAddr(const char *cp)
+{
+  struct in_addr ipaddr;
+
+  if (!strcasecmp(cp, "default"))
+    ipaddr.s_addr = INADDR_ANY;
+  else if (inet_aton(cp, &ipaddr) == 0) {
+    const char *ptr;
+
+    /* Any illegal characters ? */
+    for (ptr = cp; *ptr != '\0'; ptr++)
+      if (!isalnum(*ptr) && strchr("-.", *ptr) == NULL)
+        break;
+
+    if (*ptr == '\0') {
+      struct hostent *hp;
+
+      hp = gethostbyname(cp);
+      if (hp && hp->h_addrtype == AF_INET)
+        memcpy(&ipaddr, hp->h_addr, hp->h_length);
+      else
+        ipaddr.s_addr = INADDR_NONE;
+    } else
+      ipaddr.s_addr = INADDR_NONE;
+  }
+
+  return ipaddr;
+}
+
+static const struct speeds {
+  unsigned nspeed;
+  speed_t speed;
+} speeds[] = {
+#ifdef B50
+  { 50, B50, },
+#endif
+#ifdef B75
+  { 75, B75, },
+#endif
+#ifdef B110
+  { 110, B110, },
+#endif
+#ifdef B134
+  { 134, B134, },
+#endif
+#ifdef B150
+  { 150, B150, },
+#endif
+#ifdef B200
+  { 200, B200, },
+#endif
+#ifdef B300
+  { 300, B300, },
+#endif
+#ifdef B600
+  { 600, B600, },
+#endif
+#ifdef B1200
+  { 1200, B1200, },
+#endif
+#ifdef B1800
+  { 1800, B1800, },
+#endif
+#ifdef B2400
+  { 2400, B2400, },
+#endif
+#ifdef B4800
+  { 4800, B4800, },
+#endif
+#ifdef B9600
+  { 9600, B9600, },
+#endif
+#ifdef B19200
+  { 19200, B19200, },
+#endif
+#ifdef B38400
+  { 38400, B38400, },
+#endif
+#ifndef _POSIX_SOURCE
+#ifdef B7200
+  { 7200, B7200, },
+#endif
+#ifdef B14400
+  { 14400, B14400, },
+#endif
+#ifdef B28800
+  { 28800, B28800, },
+#endif
+#ifdef B57600
+  { 57600, B57600, },
+#endif
+#ifdef B76800
+  { 76800, B76800, },
+#endif
+#ifdef B115200
+  { 115200, B115200, },
+#endif
+#ifdef B230400
+  { 230400, B230400, },
+#endif
+#ifdef B460800
+  { 460800, B460800, },
+#endif
+#ifdef B921600
+  { 921600, B921600, },
+#endif
+#ifdef EXTA
+  { 19200, EXTA, },
+#endif
+#ifdef EXTB
+  { 38400, EXTB, },
+#endif
+#endif				/* _POSIX_SOURCE */
+  { 0, 0 }
+};
+
+unsigned
+SpeedToUnsigned(speed_t speed)
+{
+  const struct speeds *sp;
+
+  for (sp = speeds; sp->nspeed; sp++) {
+    if (sp->speed == speed) {
+      return sp->nspeed;
+    }
+  }
+  return 0;
+}
+
+speed_t
+UnsignedToSpeed(unsigned nspeed)
+{
+  const struct speeds *sp;
+
+  for (sp = speeds; sp->nspeed; sp++) {
+    if (sp->nspeed == nspeed) {
+      return sp->speed;
+    }
+  }
+  return B0;
+}
+
+char *
+findblank(char *p, int flags)
+{
+  int instring;
+
+  instring = 0;
+  while (*p) {
+    if (*p == '\\') {
+      if (flags & PARSE_REDUCE) {
+        memmove(p, p + 1, strlen(p));
+        if (!*p)
+          break;
+      } else
+        p++;
+    } else if (*p == '"') {
+      memmove(p, p + 1, strlen(p));
+      instring = !instring;
+      continue;
+    } else if (!instring && (issep(*p) ||
+                             (*p == '#' && !(flags & PARSE_NOHASH))))
+      return p;
+    p++;
+  }
+
+  return instring ? NULL : p;
+}
+
+int
+MakeArgs(char *script, char **pvect, int maxargs, int flags)
+{
+  int nargs;
+
+  nargs = 0;
+  while (*script) {
+    script += strspn(script, " \t");
+    if (*script == '#' && !(flags & PARSE_NOHASH)) {
+      *script = '\0';
+      break;
+    }
+    if (*script) {
+      if (nargs >= maxargs - 1)
+        break;
+      *pvect++ = script;
+      nargs++;
+      script = findblank(script, flags);
+      if (script == NULL)
+        return -1;
+      else if (!(flags & PARSE_NOHASH) && *script == '#')
+        *script = '\0';
+      else if (*script)
+        *script++ = '\0';
+    }
+  }
+  *pvect = NULL;
+  return nargs;
+}
+
+const char *
+NumStr(long val, char *buf, size_t sz)
+{
+  static char result[23];		/* handles 64 bit numbers */
+
+  if (buf == NULL || sz == 0) {
+    buf = result;
+    sz = sizeof result;
+  }
+  snprintf(buf, sz, "<%ld>", val);
+  return buf;
+}
+
+const char *
+HexStr(long val, char *buf, size_t sz)
+{
+  static char result[21];		/* handles 64 bit numbers */
+
+  if (buf == NULL || sz == 0) {
+    buf = result;
+    sz = sizeof result;
+  }
+  snprintf(buf, sz, "<0x%lx>", val);
+  return buf;
+}
+
+const char *
+ex_desc(int ex)
+{
+  static char num[12];		/* Used immediately if returned */
+  static const char * const desc[] = {
+    "normal", "start", "sock", "modem", "dial", "dead", "done",
+    "reboot", "errdead", "hangup", "term", "nodial", "nologin",
+    "redial", "reconnect"
+  };
+
+  if (ex >= 0 && ex < (int)(sizeof desc / sizeof *desc))
+    return desc[ex];
+  snprintf(num, sizeof num, "%d", ex);
+  return num;
+}
+
+void
+SetTitle(const char *title)
+{
+  if (title == NULL)
+    setproctitle(NULL);
+  else if (title[0] == '-' && title[1] != '\0')
+    setproctitle("-%s", title + 1);
+  else
+    setproctitle("%s", title);
+}
+
+fd_set *
+mkfdset()
+{
+  return (fd_set *)malloc(howmany(getdtablesize(), NFDBITS) * sizeof (fd_mask));
+}
+
+void
+zerofdset(fd_set *s)
+{
+  memset(s, '\0', howmany(getdtablesize(), NFDBITS) * sizeof (fd_mask));
+}
+
+void
+Concatinate(char *buf, size_t sz, int argc, const char *const *argv)
+{
+  int i, n;
+  unsigned pos;
+
+  *buf = '\0';
+  for (pos = i = 0; i < argc; i++) {
+    n = snprintf(buf + pos, sz - pos, "%s%s", i ? " " : "", argv[i]);
+    if (n < 0) {
+      buf[pos] = '\0';
+      break;
+    }
+    if ((pos += n) >= sz)
+      break;
+  }
+}
+
+#if defined(__FreeBSD__) && !defined(NOKLDLOAD)
+int
+loadmodules(int how, const char *module, ...)
+{
+  int loaded = 0;
+  va_list ap;
+
+  va_start(ap, module);
+  while (module != NULL) {
+    if (modfind(module) == -1) {
+      if (ID0kldload(module) == -1) {
+        if (how == LOAD_VERBOSLY)
+          log_Printf(LogWARN, "%s: Cannot load module\n", module);
+      } else
+        loaded++;
+    }
+    module = va_arg(ap, const char *);
+  }
+  va_end(ap);
+  return loaded;
+}
+#else
+int
+loadmodules(int how __unused, const char *module __unused, ...)
+{
+  return 0;
+}
+#endif