diff options
-rw-r--r-- | .depend | 7 | ||||
-rw-r--r-- | auth-options.c | 650 | ||||
-rw-r--r-- | auth-options.h | 46 | ||||
-rw-r--r-- | auth-pam.c | 4 | ||||
-rw-r--r-- | auth-pam.h | 4 | ||||
-rw-r--r-- | auth-passwd.c | 30 | ||||
-rw-r--r-- | auth.c | 180 | ||||
-rw-r--r-- | auth.h | 28 | ||||
-rw-r--r-- | auth2-none.c | 4 | ||||
-rw-r--r-- | auth2-passwd.c | 4 | ||||
-rw-r--r-- | auth2-pubkey.c | 532 | ||||
-rw-r--r-- | auth2.c | 4 | ||||
-rw-r--r-- | misc.c | 3 | ||||
-rw-r--r-- | monitor.c | 70 | ||||
-rw-r--r-- | monitor_wrap.c | 44 | ||||
-rw-r--r-- | monitor_wrap.h | 11 | ||||
-rw-r--r-- | serverloop.c | 33 | ||||
-rw-r--r-- | session.c | 85 | ||||
-rw-r--r-- | sshd.c | 12 |
19 files changed, 767 insertions, 984 deletions
@@ -7,8 +7,7 @@ audit-linux.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-c audit.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h auth-bsdauth.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h auth-krb5.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h xmalloc.h ssh.h packet.h openbsd-compat/sys-queue.h dispatch.h opacket.h log.h misc.h servconf.h uidswap.h key.h sshkey.h hostfile.h auth.h auth-pam.h audit.h loginrec.h -auth-options.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h openbsd-compat/sys-queue.h key.h sshkey.h xmalloc.h match.h ssherr.h log.h canohost.h packet.h dispatch.h opacket.h misc.h channels.h servconf.h auth-options.h hostfile.h auth.h auth-pam.h -auth-options.o: audit.h loginrec.h +auth-options.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h openbsd-compat/sys-queue.h xmalloc.h ssherr.h log.h misc.h sshkey.h match.h ssh2.h auth-options.h auth-pam.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h auth-passwd.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h packet.h openbsd-compat/sys-queue.h dispatch.h opacket.h log.h misc.h servconf.h key.h sshkey.h hostfile.h auth.h auth-pam.h audit.h loginrec.h auth-options.h auth-rhosts.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h packet.h openbsd-compat/sys-queue.h dispatch.h opacket.h uidswap.h pathnames.h log.h misc.h key.h sshkey.h servconf.h canohost.h hostfile.h auth.h auth-pam.h audit.h loginrec.h @@ -16,7 +15,7 @@ auth-shadow.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-c auth-sia.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h auth-skey.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h auth.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h xmalloc.h match.h groupaccess.h log.h misc.h servconf.h key.h sshkey.h hostfile.h auth.h auth-pam.h audit.h loginrec.h auth-options.h canohost.h uidswap.h packet.h openbsd-compat/sys-queue.h -auth.o: dispatch.h opacket.h authfile.h monitor_wrap.h ssherr.h compat.h +auth.o: dispatch.h opacket.h authfile.h monitor_wrap.h ssherr.h compat.h channels.h auth2-chall.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h xmalloc.h ssh2.h key.h sshkey.h hostfile.h auth.h auth-pam.h audit.h loginrec.h packet.h openbsd-compat/sys-queue.h dispatch.h opacket.h log.h misc.h servconf.h auth2-gss.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h auth2-hostbased.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h xmalloc.h ssh2.h packet.h openbsd-compat/sys-queue.h dispatch.h opacket.h log.h misc.h servconf.h compat.h sshkey.h hostfile.h auth.h auth-pam.h audit.h loginrec.h canohost.h @@ -161,7 +160,7 @@ sshconnect.o: ssh2.h version.h authfile.h ssherr.h authfd.h sshconnect2.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h openbsd-compat/sys-queue.h xmalloc.h ssh.h ssh2.h packet.h dispatch.h opacket.h compat.h cipher.h cipher-chachapoly.h chacha.h poly1305.h cipher-aesctr.h rijndael.h key.h sshkey.h kex.h mac.h sshconnect2.o: myproposal.h sshconnect.h authfile.h dh.h authfd.h log.h misc.h readconf.h match.h canohost.h msg.h pathnames.h uidswap.h hostfile.h ssherr.h utf8.h sshd.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h ./openbsd-compat/sys-tree.h openbsd-compat/sys-queue.h xmalloc.h ssh.h ssh2.h sshpty.h packet.h dispatch.h opacket.h log.h misc.h match.h servconf.h uidswap.h compat.h cipher.h cipher-chachapoly.h -sshd.o: chacha.h poly1305.h cipher-aesctr.h rijndael.h digest.h key.h sshkey.h kex.h mac.h myproposal.h authfile.h pathnames.h atomicio.h canohost.h hostfile.h auth.h auth-pam.h audit.h loginrec.h authfd.h msg.h channels.h session.h monitor.h monitor_wrap.h ssh-sandbox.h version.h ssherr.h +sshd.o: chacha.h poly1305.h cipher-aesctr.h rijndael.h digest.h key.h sshkey.h kex.h mac.h myproposal.h authfile.h pathnames.h atomicio.h canohost.h hostfile.h auth.h auth-pam.h audit.h loginrec.h authfd.h msg.h channels.h session.h monitor.h monitor_wrap.h ssh-sandbox.h auth-options.h version.h ssherr.h ssherr.o: ssherr.h sshkey-xmss.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h sshkey.o: includes.h config.h defines.h platform.h openbsd-compat/openbsd-compat.h openbsd-compat/base64.h openbsd-compat/sigact.h openbsd-compat/readpassphrase.h openbsd-compat/vis.h openbsd-compat/getrrsetbyname.h openbsd-compat/sha1.h openbsd-compat/sha2.h openbsd-compat/rmd160.h openbsd-compat/md5.h openbsd-compat/blf.h openbsd-compat/getopt.h openbsd-compat/bsd-misc.h openbsd-compat/bsd-setres_id.h openbsd-compat/bsd-signal.h openbsd-compat/bsd-statvfs.h openbsd-compat/bsd-waitpid.h openbsd-compat/bsd-poll.h openbsd-compat/fake-rfc2553.h openbsd-compat/bsd-cygwin_util.h openbsd-compat/port-aix.h openbsd-compat/port-irix.h openbsd-compat/port-linux.h openbsd-compat/port-solaris.h openbsd-compat/port-net.h openbsd-compat/port-uw.h openbsd-compat/bsd-nextstep.h entropy.h buffer.h sshbuf.h crypto_api.h ssh2.h ssherr.h misc.h cipher.h cipher-chachapoly.h chacha.h poly1305.h cipher-aesctr.h rijndael.h digest.h sshkey.h sshkey-xmss.h match.h xmss_fast.h diff --git a/auth-options.c b/auth-options.c index 8b93b51e..484e44b7 100644 --- a/auth-options.c +++ b/auth-options.c @@ -1,14 +1,4 @@ -/* $OpenBSD: auth-options.c,v 1.75 2018/03/03 03:06:02 djm Exp $ */ -/* - * Author: Tatu Ylonen <ylo@cs.hut.fi> - * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland - * All rights reserved - * As far as I am concerned, the code I have written for this software - * can be used freely for any purpose. Any derived versions of this - * software must be clearly marked as such, and if the derived work is - * incompatible with the protocol description in the RFC file, it must be - * called by a name other than "ssh" or "Secure Shell". - */ +/* $OpenBSD: auth-options.c,v 1.76 2018/03/03 03:15:51 djm Exp $ */ /* * Copyright (c) 2018 Damien Miller <djm@mindrot.org> * @@ -39,649 +29,15 @@ #include "openbsd-compat/sys-queue.h" -#include "key.h" /* XXX for typedef */ -#include "buffer.h" /* XXX for typedef */ #include "xmalloc.h" -#include "match.h" #include "ssherr.h" -#include "ssh2.h" #include "log.h" -#include "canohost.h" -#include "packet.h" #include "sshbuf.h" #include "misc.h" -#include "channels.h" -#include "servconf.h" #include "sshkey.h" +#include "match.h" +#include "ssh2.h" #include "auth-options.h" -#include "hostfile.h" -#include "auth.h" - -/* Flags set authorized_keys flags */ -int no_port_forwarding_flag = 0; -int no_agent_forwarding_flag = 0; -int no_x11_forwarding_flag = 0; -int no_pty_flag = 0; -int no_user_rc = 0; -int key_is_cert_authority = 0; - -/* "command=" option. */ -char *forced_command = NULL; - -/* "environment=" options. */ -struct envstring *custom_environment = NULL; - -/* "tunnel=" option. */ -int forced_tun_device = -1; - -/* "principals=" option. */ -char *authorized_principals = NULL; - -extern ServerOptions options; - -/* XXX refactor to be stateless */ - -void -auth_clear_options(void) -{ - struct ssh *ssh = active_state; /* XXX */ - - no_agent_forwarding_flag = 0; - no_port_forwarding_flag = 0; - no_pty_flag = 0; - no_x11_forwarding_flag = 0; - no_user_rc = 0; - key_is_cert_authority = 0; - while (custom_environment) { - struct envstring *ce = custom_environment; - custom_environment = ce->next; - free(ce->s); - free(ce); - } - free(forced_command); - forced_command = NULL; - free(authorized_principals); - authorized_principals = NULL; - forced_tun_device = -1; - channel_clear_permitted_opens(ssh); -} - -/* - * Match flag 'opt' in *optsp, and if allow_negate is set then also match - * 'no-opt'. Returns -1 if option not matched, 1 if option matches or 0 - * if negated option matches. - * If the option or negated option matches, then *optsp is updated to - * point to the first character after the option and, if 'msg' is not NULL - * then a message based on it added via auth_debug_add(). - */ -static int -match_flag(const char *opt, int allow_negate, char **optsp, const char *msg) -{ - size_t opt_len = strlen(opt); - char *opts = *optsp; - int negate = 0; - - if (allow_negate && strncasecmp(opts, "no-", 3) == 0) { - opts += 3; - negate = 1; - } - if (strncasecmp(opts, opt, opt_len) == 0) { - *optsp = opts + opt_len; - if (msg != NULL) { - auth_debug_add("%s %s.", msg, - negate ? "disabled" : "enabled"); - } - return negate ? 0 : 1; - } - return -1; -} - -/* - * return 1 if access is granted, 0 if not. - * side effect: sets key option flags - * XXX remove side effects; fill structure instead. - */ -int -auth_parse_options(struct passwd *pw, char *opts, const char *file, - u_long linenum) -{ - struct ssh *ssh = active_state; /* XXX */ - const char *cp; - int i, r; - - /* reset options */ - auth_clear_options(); - - if (!opts) - return 1; - - while (*opts && *opts != ' ' && *opts != '\t') { - if ((r = match_flag("cert-authority", 0, &opts, NULL)) != -1) { - key_is_cert_authority = r; - goto next_option; - } - if ((r = match_flag("restrict", 0, &opts, NULL)) != -1) { - auth_debug_add("Key is restricted."); - no_port_forwarding_flag = 1; - no_agent_forwarding_flag = 1; - no_x11_forwarding_flag = 1; - no_pty_flag = 1; - no_user_rc = 1; - goto next_option; - } - if ((r = match_flag("port-forwarding", 1, &opts, - "Port forwarding")) != -1) { - no_port_forwarding_flag = r != 1; - goto next_option; - } - if ((r = match_flag("agent-forwarding", 1, &opts, - "Agent forwarding")) != -1) { - no_agent_forwarding_flag = r != 1; - goto next_option; - } - if ((r = match_flag("x11-forwarding", 1, &opts, - "X11 forwarding")) != -1) { - no_x11_forwarding_flag = r != 1; - goto next_option; - } - if ((r = match_flag("pty", 1, &opts, - "PTY allocation")) != -1) { - no_pty_flag = r != 1; - goto next_option; - } - if ((r = match_flag("user-rc", 1, &opts, - "User rc execution")) != -1) { - no_user_rc = r != 1; - goto next_option; - } - cp = "command=\""; - if (strncasecmp(opts, cp, strlen(cp)) == 0) { - opts += strlen(cp); - free(forced_command); - forced_command = xmalloc(strlen(opts) + 1); - i = 0; - while (*opts) { - if (*opts == '"') - break; - if (*opts == '\\' && opts[1] == '"') { - opts += 2; - forced_command[i++] = '"'; - continue; - } - forced_command[i++] = *opts++; - } - if (!*opts) { - debug("%.100s, line %lu: missing end quote", - file, linenum); - auth_debug_add("%.100s, line %lu: missing end quote", - file, linenum); - free(forced_command); - forced_command = NULL; - goto bad_option; - } - forced_command[i] = '\0'; - auth_debug_add("Forced command."); - opts++; - goto next_option; - } - cp = "principals=\""; - if (strncasecmp(opts, cp, strlen(cp)) == 0) { - opts += strlen(cp); - free(authorized_principals); - authorized_principals = xmalloc(strlen(opts) + 1); - i = 0; - while (*opts) { - if (*opts == '"') - break; - if (*opts == '\\' && opts[1] == '"') { - opts += 2; - authorized_principals[i++] = '"'; - continue; - } - authorized_principals[i++] = *opts++; - } - if (!*opts) { - debug("%.100s, line %lu: missing end quote", - file, linenum); - auth_debug_add("%.100s, line %lu: missing end quote", - file, linenum); - free(authorized_principals); - authorized_principals = NULL; - goto bad_option; - } - authorized_principals[i] = '\0'; - auth_debug_add("principals: %.900s", - authorized_principals); - opts++; - goto next_option; - } - cp = "environment=\""; - if (strncasecmp(opts, cp, strlen(cp)) == 0) { - char *s; - struct envstring *new_envstring; - - opts += strlen(cp); - s = xmalloc(strlen(opts) + 1); - i = 0; - while (*opts) { - if (*opts == '"') - break; - if (*opts == '\\' && opts[1] == '"') { - opts += 2; - s[i++] = '"'; - continue; - } - s[i++] = *opts++; - } - if (!*opts) { - debug("%.100s, line %lu: missing end quote", - file, linenum); - auth_debug_add("%.100s, line %lu: missing end quote", - file, linenum); - free(s); - goto bad_option; - } - s[i] = '\0'; - opts++; - if (options.permit_user_env) { - auth_debug_add("Adding to environment: " - "%.900s", s); - debug("Adding to environment: %.900s", s); - new_envstring = xcalloc(1, - sizeof(*new_envstring)); - new_envstring->s = s; - new_envstring->next = custom_environment; - custom_environment = new_envstring; - s = NULL; - } - free(s); - goto next_option; - } - cp = "from=\""; - if (strncasecmp(opts, cp, strlen(cp)) == 0) { - const char *remote_ip = ssh_remote_ipaddr(ssh); - const char *remote_host = auth_get_canonical_hostname( - ssh, options.use_dns); - char *patterns = xmalloc(strlen(opts) + 1); - - opts += strlen(cp); - i = 0; - while (*opts) { - if (*opts == '"') - break; - if (*opts == '\\' && opts[1] == '"') { - opts += 2; - patterns[i++] = '"'; - continue; - } - patterns[i++] = *opts++; - } - if (!*opts) { - debug("%.100s, line %lu: missing end quote", - file, linenum); - auth_debug_add("%.100s, line %lu: missing end quote", - file, linenum); - free(patterns); - goto bad_option; - } - patterns[i] = '\0'; - opts++; - switch (match_host_and_ip(remote_host, remote_ip, - patterns)) { - case 1: - free(patterns); - /* Host name matches. */ - goto next_option; - case -1: - debug("%.100s, line %lu: invalid criteria", - file, linenum); - auth_debug_add("%.100s, line %lu: " - "invalid criteria", file, linenum); - /* FALLTHROUGH */ - case 0: - free(patterns); - logit("Authentication tried for %.100s with " - "correct key but not from a permitted " - "host (host=%.200s, ip=%.200s).", - pw->pw_name, remote_host, remote_ip); - auth_debug_add("Your host '%.200s' is not " - "permitted to use this key for login.", - remote_host); - break; - } - /* deny access */ - return 0; - } - cp = "permitopen=\""; - if (strncasecmp(opts, cp, strlen(cp)) == 0) { - char *host, *p; - int port; - char *patterns = xmalloc(strlen(opts) + 1); - - opts += strlen(cp); - i = 0; - while (*opts) { - if (*opts == '"') - break; - if (*opts == '\\' && opts[1] == '"') { - opts += 2; - patterns[i++] = '"'; - continue; - } - patterns[i++] = *opts++; - } - if (!*opts) { - debug("%.100s, line %lu: missing end quote", - file, linenum); - auth_debug_add("%.100s, line %lu: missing " - "end quote", file, linenum); - free(patterns); - goto bad_option; - } - patterns[i] = '\0'; - opts++; - p = patterns; - /* XXX - add streamlocal support */ - host = hpdelim(&p); - if (host == NULL || strlen(host) >= NI_MAXHOST) { - debug("%.100s, line %lu: Bad permitopen " - "specification <%.100s>", file, linenum, - patterns); - auth_debug_add("%.100s, line %lu: " - "Bad permitopen specification", file, - linenum); - free(patterns); - goto bad_option; - } - host = cleanhostname(host); - if (p == NULL || (port = permitopen_port(p)) < 0) { - debug("%.100s, line %lu: Bad permitopen port " - "<%.100s>", file, linenum, p ? p : ""); - auth_debug_add("%.100s, line %lu: " - "Bad permitopen port", file, linenum); - free(patterns); - goto bad_option; - } - if ((options.allow_tcp_forwarding & FORWARD_LOCAL) != 0) - channel_add_permitted_opens(ssh, host, port); - free(patterns); - goto next_option; - } - cp = "tunnel=\""; - if (strncasecmp(opts, cp, strlen(cp)) == 0) { - char *tun = NULL; - opts += strlen(cp); - tun = xmalloc(strlen(opts) + 1); - i = 0; - while (*opts) { - if (*opts == '"') - break; - tun[i++] = *opts++; - } - if (!*opts) { - debug("%.100s, line %lu: missing end quote", - file, linenum); - auth_debug_add("%.100s, line %lu: missing end quote", - file, linenum); - free(tun); - forced_tun_device = -1; - goto bad_option; - } - tun[i] = '\0'; - forced_tun_device = a2tun(tun, NULL); - free(tun); - if (forced_tun_device == SSH_TUNID_ERR) { - debug("%.100s, line %lu: invalid tun device", - file, linenum); - auth_debug_add("%.100s, line %lu: invalid tun device", - file, linenum); - forced_tun_device = -1; - goto bad_option; - } - auth_debug_add("Forced tun device: %d", forced_tun_device); - opts++; - goto next_option; - } -next_option: - /* - * Skip the comma, and move to the next option - * (or break out if there are no more). - */ - if (!*opts) - fatal("Bugs in auth-options.c option processing."); - if (*opts == ' ' || *opts == '\t') - break; /* End of options. */ - if (*opts != ',') - goto bad_option; - opts++; - /* Process the next option. */ - } - - /* grant access */ - return 1; - -bad_option: - logit("Bad options in %.100s file, line %lu: %.50s", - file, linenum, opts); - auth_debug_add("Bad options in %.100s file, line %lu: %.50s", - file, linenum, opts); - - /* deny access */ - return 0; -} - -#define OPTIONS_CRITICAL 1 -#define OPTIONS_EXTENSIONS 2 -static int -parse_option_list(struct sshbuf *oblob, struct passwd *pw, - u_int which, int crit, - int *cert_no_port_forwarding_flag, - int *cert_no_agent_forwarding_flag, - int *cert_no_x11_forwarding_flag, - int *cert_no_pty_flag, - int *cert_no_user_rc, - char **cert_forced_command, - int *cert_source_address_done) -{ - struct ssh *ssh = active_state; /* XXX */ - char *command, *allowed; - const char *remote_ip; - char *name = NULL; - struct sshbuf *c = NULL, *data = NULL; - int r, ret = -1, result, found; - - if ((c = sshbuf_fromb(oblob)) == NULL) { - error("%s: sshbuf_fromb failed", __func__); - goto out; - } - - while (sshbuf_len(c) > 0) { - sshbuf_free(data); - data = NULL; - if ((r = sshbuf_get_cstring(c, &name, NULL)) != 0 || - (r = sshbuf_froms(c, &data)) != 0) { - error("Unable to parse certificate options: %s", - ssh_err(r)); - goto out; - } - debug3("found certificate option \"%.100s\" len %zu", - name, sshbuf_len(data)); - found = 0; - if ((which & OPTIONS_EXTENSIONS) != 0) { - if (strcmp(name, "permit-X11-forwarding") == 0) { - *cert_no_x11_forwarding_flag = 0; - found = 1; - } else if (strcmp(name, - "permit-agent-forwarding") == 0) { - *cert_no_agent_forwarding_flag = 0; - found = 1; - } else if (strcmp(name, - "permit-port-forwarding") == 0) { - *cert_no_port_forwarding_flag = 0; - found = 1; - } else if (strcmp(name, "permit-pty") == 0) { - *cert_no_pty_flag = 0; - found = 1; - } else if (strcmp(name, "permit-user-rc") == 0) { - *cert_no_user_rc = 0; - found = 1; - } - } - if (!found && (which & OPTIONS_CRITICAL) != 0) { - if (strcmp(name, "force-command") == 0) { - if ((r = sshbuf_get_cstring(data, &command, - NULL)) != 0) { - error("Unable to parse \"%s\" " - "section: %s", name, ssh_err(r)); - goto out; - } - if (*cert_forced_command != NULL) { - error("Certificate has multiple " - "force-command options"); - free(command); - goto out; - } - *cert_forced_command = command; - found = 1; - } - if (strcmp(name, "source-address") == 0) { - if ((r = sshbuf_get_cstring(data, &allowed, - NULL)) != 0) { - error("Unable to parse \"%s\" " - "section: %s", name, ssh_err(r)); - goto out; - } - if ((*cert_source_address_done)++) { - error("Certificate has multiple " - "source-address options"); - free(allowed); - goto out; - } - remote_ip = ssh_remote_ipaddr(ssh); - result = addr_match_cidr_list(remote_ip, - allowed); - free(allowed); - switch (result) { - case 1: - /* accepted */ - break; - case 0: - /* no match */ - logit("Authentication tried for %.100s " - "with valid certificate but not " - "from a permitted host " - "(ip=%.200s).", pw->pw_name, - remote_ip); - auth_debug_add("Your address '%.200s' " - "is not permitted to use this " - "certificate for login.", - remote_ip); - goto out; - case -1: - default: - error("Certificate source-address " - "contents invalid"); - goto out; - } - found = 1; - } - } - - if (!found) { - if (crit) { - error("Certificate critical option \"%s\" " - "is not supported", name); - goto out; - } else { - logit("Certificate extension \"%s\" " - "is not supported", name); - } - } else if (sshbuf_len(data) != 0) { - error("Certificate option \"%s\" corrupt " - "(extra data)", name); - goto out; - } - free(name); - name = NULL; - } - /* successfully parsed all options */ - ret = 0; - - out: - if (ret != 0 && - cert_forced_command != NULL && - *cert_forced_command != NULL) { - free(*cert_forced_command); - *cert_forced_command = NULL; - } - free(name); - sshbuf_free(data); - sshbuf_free(c); - return ret; -} - -/* - * Set options from critical certificate options. These supersede user key - * options so this must be called after auth_parse_options(). - */ -int -auth_cert_options(struct sshkey *k, struct passwd *pw, const char **reason) -{ - int cert_no_port_forwarding_flag = 1; - int cert_no_agent_forwarding_flag = 1; - int cert_no_x11_forwarding_flag = 1; - int cert_no_pty_flag = 1; - int cert_no_user_rc = 1; - char *cert_forced_command = NULL; - int cert_source_address_done = 0; - - *reason = "invalid certificate options"; - - /* Separate options and extensions for v01 certs */ - if (parse_option_list(k->cert->critical, pw, - OPTIONS_CRITICAL, 1, NULL, NULL, NULL, NULL, NULL, - &cert_forced_command, - &cert_source_address_done) == -1) - return -1; - if (parse_option_list(k->cert->extensions, pw, - OPTIONS_EXTENSIONS, 0, - &cert_no_port_forwarding_flag, - &cert_no_agent_forwarding_flag, - &cert_no_x11_forwarding_flag, - &cert_no_pty_flag, - &cert_no_user_rc, - NULL, NULL) == -1) - return -1; - - no_port_forwarding_flag |= cert_no_port_forwarding_flag; - no_agent_forwarding_flag |= cert_no_agent_forwarding_flag; - no_x11_forwarding_flag |= cert_no_x11_forwarding_flag; - no_pty_flag |= cert_no_pty_flag; - no_user_rc |= cert_no_user_rc; - /* - * Only permit both CA and key option forced-command if they match. - * Otherwise refuse the certificate. - */ - if (cert_forced_command != NULL && forced_command != NULL) { - if (strcmp(forced_command, cert_forced_command) == 0) { - free(forced_command); - forced_command = cert_forced_command; |