- (djm) Add strsep function from OpenBSD libc for systems that lack it

5 files changed, 102 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 2e41481ef..16bd6649b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -52,6 +52,7 @@
  - (djm) Fix problem with debug mode and MaxStartups
  - (djm) Don't generate host keys when $(DESTDIR) is set (e.g. during RPM
    builds)
+ - (djm) Add strsep function from OpenBSD libc for systems that lack it
 
 20000709
  - (djm) Only enable PAM_TTY kludge for Linux. Problem report from
diff --git a/Makefile.in b/Makefile.in
index 23e2bce8f..8954f834c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -36,7 +36,7 @@ TARGETS=ssh sshd ssh-add ssh-keygen ssh-agent scp $(EXTRA_TARGETS)
 
 LIBSSH_OBJS=atomicio.o authfd.o authfile.o aux.o bufaux.o buffer.o canohost.o channels.o cipher.o compat.o compress.o crc32.o deattack.o dispatch.o dsa.o fingerprint.o hmac.o hostfile.o key.o kex.o log.o match.o mpaux.o nchan.o packet.o radix.o entropy.o readpass.o rsa.o tildexpand.o ttymodes.o uidswap.o uuencode.o xmalloc.o 
 
-LIBOPENBSD_COMPAT_OBJS=bsd-base64.o bsd-bindresvport.o bsd-daemon.o bsd-inet_aton.o bsd-misc.o bsd-mktemp.o bsd-rresvport.o bsd-setenv.o bsd-sigaction.o bsd-snprintf.o bsd-strlcat.o bsd-strlcpy.o fake-getaddrinfo.o fake-getnameinfo.o next-posix.o
+LIBOPENBSD_COMPAT_OBJS=bsd-base64.o bsd-bindresvport.o bsd-daemon.o bsd-inet_aton.o bsd-misc.o bsd-mktemp.o bsd-rresvport.o bsd-setenv.o bsd-sigaction.o bsd-snprintf.o bsd-strlcat.o bsd-strlcpy.o bsd-strsep.o fake-getaddrinfo.o fake-getnameinfo.o next-posix.o
 
 SSHOBJS= ssh.o sshconnect.o sshconnect1.o sshconnect2.o log-client.o readconf.o clientloop.o
 
diff --git a/bsd-strsep.c b/bsd-strsep.c
new file mode 100644
index 000000000..c03649cff
--- /dev/null
+++ b/bsd-strsep.c
@@ -0,0 +1,89 @@
+/*      $OpenBSD: strsep.c,v 1.3 1997/08/20 04:28:14 millert Exp $      */
+
+/*-
+ * Copyright (c) 1990, 1993
+ *      The Regents of the University of California.  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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ */
+
+#include "config.h"
+
+#if !defined(HAVE_STRSEP)
+
+#include <string.h>
+#include <stdio.h>
+
+#if defined(LIBC_SCCS) && !defined(lint)
+#if 0
+static char sccsid[] = "@(#)strsep.c    8.1 (Berkeley) 6/4/93";
+#else
+static char *rcsid = "$OpenBSD: strsep.c,v 1.3 1997/08/20 04:28:14 millert Exp $";
+#endif
+#endif /* LIBC_SCCS and not lint */
+
+/*
+ * Get next token from string *stringp, where tokens are possibly-empty
+ * strings separated by characters from delim.  
+ *
+ * Writes NULs into the string at *stringp to end tokens.
+ * delim need not remain constant from call to call.
+ * On return, *stringp points past the last NUL written (if there might
+ * be further tokens), or is NULL (if there are definitely no more tokens).
+ *
+ * If *stringp is NULL, strsep returns NULL.
+ */
+char *
+strsep(char **stringp, const char *delim)
+{
+        register char *s;
+        register const char *spanp;
+        register int c, sc;
+        char *tok;
+
+        if ((s = *stringp) == NULL)
+                return (NULL);
+        for (tok = s;;) {
+                c = *s++;
+                spanp = delim;
+                do {
+                        if ((sc = *spanp++) == c) {
+                                if (c == 0)
+                                        s = NULL;
+                                else
+                                        s[-1] = 0;
+                                *stringp = s;
+                                return (tok);
+                        }
+                } while (sc != 0);
+        }
+        /* NOTREACHED */
+}
+
+#endif /* !defined(HAVE_STRSEP) */
diff --git a/bsd-strsep.h b/bsd-strsep.h
new file mode 100644
index 000000000..d5ba6e0f1
--- /dev/null
+++ b/bsd-strsep.h
@@ -0,0 +1,10 @@
+#ifndef _BSD_STRSEP_H
+#define _BSD_STRSEP_H
+
+#include "config.h"
+
+#ifndef HAVE_STRSEP
+char *strsep(char **stringp, const char *delim);
+#endif /* HAVE_STRSEP */
+
+#endif /* _BSD_STRSEP_H */
diff --git a/configure.in b/configure.in
index 2e2422597..a99127993 100644
--- a/configure.in
+++ b/configure.in
@@ -219,7 +219,7 @@ fi
 AC_CHECK_HEADERS(bstring.h endian.h lastlog.h limits.h login.h maillock.h netdb.h netgroup.h netinet/in_systm.h paths.h poll.h pty.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/select.h sys/stat.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h stddef.h time.h usersec.h util.h utmp.h utmpx.h)
 
 # Checks for library functions.
-AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_af clock freeaddrinfo gai_strerror getaddrinfo getnameinfo getrusage inet_aton innetgr md5_crypt memmove mkdtemp on_exit openpty rresvport_af setenv seteuid setlogin setproctitle setreuid sigaction sigvec snprintf strlcat strlcpy vsnprintf vhangup _getpty __b64_ntop)
+AC_CHECK_FUNCS(arc4random atexit b64_ntop bcopy bindresvport_af clock freeaddrinfo gai_strerror getaddrinfo getnameinfo getrusage inet_aton innetgr md5_crypt memmove mkdtemp on_exit openpty rresvport_af setenv seteuid setlogin setproctitle setreuid sigaction sigvec snprintf strlcat strlcpy strsep vsnprintf vhangup _getpty __b64_ntop)
 dnl    checks for time functions
 AC_CHECK_FUNCS(gettimeofday time)
 dnl    checks for libutil functions