Improve the naming of the new kerberos configuration option
This commit is contained in:
Jakub Jelen
parent
6c9d993869
commit
8089081fa9
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@ -83,7 +83,7 @@ diff -up openssh-7.4p1/servconf.c.GSSAPIEnablek5users openssh-7.4p1/servconf.c
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M_CP_INTOPT(log_level);
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@@ -2320,6 +2330,7 @@ dump_config(ServerOptions *o)
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# endif
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dump_cfg_fmtint(sKerberosUniqueTicket, o->kerberos_unique_ticket);
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dump_cfg_fmtint(sKerberosUniqueCCache, o->kerberos_unique_ccache);
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dump_cfg_fmtint(sKerberosUseKuserok, o->use_kuserok);
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+ dump_cfg_fmtint(sGssEnablek5users, o->enable_k5users);
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#endif
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@ -93,7 +93,7 @@ diff -up openssh-7.4p1/servconf.h.GSSAPIEnablek5users openssh-7.4p1/servconf.h
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--- openssh-7.4p1/servconf.h.GSSAPIEnablek5users 2016-12-23 15:18:40.616216100 +0100
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+++ openssh-7.4p1/servconf.h 2016-12-23 15:18:40.629216102 +0100
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@@ -174,6 +174,7 @@ typedef struct {
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int kerberos_unique_ticket; /* If true, the aquired ticket will
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int kerberos_unique_ccache; /* If true, the acquired ticket will
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* be stored in per-session ccache */
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int use_kuserok;
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+ int enable_k5users;
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@ -196,22 +196,22 @@ diff -up openssh-7.4p1/servconf.c.kuserok openssh-7.4p1/servconf.c
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sPermitRootLogin, sLogFacility, sLogLevel,
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sRhostsRSAAuthentication, sRSAAuthentication,
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sKerberosAuthentication, sKerberosOrLocalPasswd, sKerberosTicketCleanup,
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- sKerberosGetAFSToken, sKerberosUniqueTicket,
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+ sKerberosGetAFSToken, sKerberosUniqueTicket, sKerberosUseKuserok,
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- sKerberosGetAFSToken, sKerberosUniqueCCache,
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+ sKerberosGetAFSToken, sKerberosUniqueCCache, sKerberosUseKuserok,
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sChallengeResponseAuthentication,
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sPasswordAuthentication, sKbdInteractiveAuthentication,
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sListenAddress, sAddressFamily,
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@@ -478,12 +481,14 @@ static struct {
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{ "kerberosgetafstoken", sUnsupported, SSHCFG_GLOBAL },
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#endif
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{ "kerberosuniqueticket", sKerberosUniqueTicket, SSHCFG_GLOBAL },
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{ "kerberosuniqueccache", sKerberosUniqueCCache, SSHCFG_GLOBAL },
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+ { "kerberosusekuserok", sKerberosUseKuserok, SSHCFG_ALL },
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#else
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{ "kerberosauthentication", sUnsupported, SSHCFG_ALL },
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{ "kerberosorlocalpasswd", sUnsupported, SSHCFG_GLOBAL },
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{ "kerberosticketcleanup", sUnsupported, SSHCFG_GLOBAL },
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{ "kerberosgetafstoken", sUnsupported, SSHCFG_GLOBAL },
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{ "kerberosuniqueticket", sUnsupported, SSHCFG_GLOBAL },
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{ "kerberosuniqueccache", sUnsupported, SSHCFG_GLOBAL },
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+ { "kerberosusekuserok", sUnsupported, SSHCFG_ALL },
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#endif
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{ "kerberostgtpassing", sUnsupported, SSHCFG_GLOBAL },
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@ -238,7 +238,7 @@ diff -up openssh-7.4p1/servconf.c.kuserok openssh-7.4p1/servconf.c
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@@ -2309,6 +2319,7 @@ dump_config(ServerOptions *o)
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dump_cfg_fmtint(sKerberosGetAFSToken, o->kerberos_get_afs_token);
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# endif
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dump_cfg_fmtint(sKerberosUniqueTicket, o->kerberos_unique_ticket);
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dump_cfg_fmtint(sKerberosUniqueCCache, o->kerberos_unique_ccache);
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+ dump_cfg_fmtint(sKerberosUseKuserok, o->use_kuserok);
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#endif
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#ifdef GSSAPI
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@ -248,7 +248,7 @@ diff -up openssh-7.4p1/servconf.h.kuserok openssh-7.4p1/servconf.h
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+++ openssh-7.4p1/servconf.h 2016-12-23 14:36:07.645465936 +0100
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@@ -118,6 +118,7 @@ typedef struct {
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* authenticated with Kerberos. */
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int kerberos_unique_ticket; /* If true, the aquired ticket will
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int kerberos_unique_ccache; /* If true, the acquired ticket will
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* be stored in per-session ccache */
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+ int use_kuserok;
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int gss_authentication; /* If true, permit GSSAPI authentication */
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@ -258,9 +258,9 @@ diff -up openssh-7.4p1/sshd_config.5.kuserok openssh-7.4p1/sshd_config.5
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--- openssh-7.4p1/sshd_config.5.kuserok 2016-12-23 14:36:07.637465940 +0100
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+++ openssh-7.4p1/sshd_config.5 2016-12-23 15:14:03.117162222 +0100
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@@ -850,6 +850,10 @@ Specifies whether to automatically destr
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tickets aquired in different sessions of the same user.
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The default is
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.Cm no .
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.Cm no
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can lead to overwriting previous tickets by subseqent connections to the same
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user account.
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+.It Cm KerberosUseKuserok
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+Specifies whether to look at .k5login file for user's aliases.
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+The default is
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@ -248,7 +248,7 @@ index a5a81ed2..63f877f2 100644
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+ if (need_environment)
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+ *need_environment = 0;
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+ ret = ssh_krb5_get_cctemplate(ctx, &ccname);
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+ if (ret || !ccname || options.kerberos_unique_ticket) {
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+ if (ret || !ccname || options.kerberos_unique_ccache) {
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+ /* Otherwise, go with the old method */
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+ if (ccname)
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+ free(ccname);
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@ -494,7 +494,7 @@ index cb578658..a6e01df2 100644
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options->kerberos_or_local_passwd = -1;
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options->kerberos_ticket_cleanup = -1;
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options->kerberos_get_afs_token = -1;
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+ options->kerberos_unique_ticket = -1;
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+ options->kerberos_unique_ccache = -1;
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options->gss_authentication=-1;
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options->gss_keyex = -1;
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options->gss_cleanup_creds = -1;
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@ -502,8 +502,8 @@ index cb578658..a6e01df2 100644
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options->kerberos_ticket_cleanup = 1;
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if (options->kerberos_get_afs_token == -1)
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options->kerberos_get_afs_token = 0;
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+ if (options->kerberos_unique_ticket == -1)
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+ options->kerberos_unique_ticket = 0;
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+ if (options->kerberos_unique_ccache == -1)
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+ options->kerberos_unique_ccache = 0;
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if (options->gss_authentication == -1)
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options->gss_authentication = 0;
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if (options->gss_keyex == -1)
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@ -512,7 +512,7 @@ index cb578658..a6e01df2 100644
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sRhostsRSAAuthentication, sRSAAuthentication,
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sKerberosAuthentication, sKerberosOrLocalPasswd, sKerberosTicketCleanup,
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- sKerberosGetAFSToken, sChallengeResponseAuthentication,
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+ sKerberosGetAFSToken, sKerberosUniqueTicket,
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+ sKerberosGetAFSToken, sKerberosUniqueCCache,
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+ sChallengeResponseAuthentication,
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sPasswordAuthentication, sKbdInteractiveAuthentication,
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sListenAddress, sAddressFamily,
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@ -521,13 +521,13 @@ index cb578658..a6e01df2 100644
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#else
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{ "kerberosgetafstoken", sUnsupported, SSHCFG_GLOBAL },
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#endif
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+ { "kerberosuniqueticket", sKerberosUniqueTicket, SSHCFG_GLOBAL },
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+ { "kerberosuniqueccache", sKerberosUniqueCCache, SSHCFG_GLOBAL },
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#else
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{ "kerberosauthentication", sUnsupported, SSHCFG_ALL },
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{ "kerberosorlocalpasswd", sUnsupported, SSHCFG_GLOBAL },
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{ "kerberosticketcleanup", sUnsupported, SSHCFG_GLOBAL },
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{ "kerberosgetafstoken", sUnsupported, SSHCFG_GLOBAL },
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+ { "kerberosuniqueticket", sUnsupported, SSHCFG_GLOBAL },
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+ { "kerberosuniqueccache", sUnsupported, SSHCFG_GLOBAL },
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#endif
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{ "kerberostgtpassing", sUnsupported, SSHCFG_GLOBAL },
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{ "afstokenpassing", sUnsupported, SSHCFG_GLOBAL },
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@ -535,8 +535,8 @@ index cb578658..a6e01df2 100644
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intptr = &options->kerberos_get_afs_token;
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goto parse_flag;
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+ case sKerberosUniqueTicket:
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+ intptr = &options->kerberos_unique_ticket;
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+ case sKerberosUniqueCCache:
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+ intptr = &options->kerberos_unique_ccache;
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+ goto parse_flag;
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+
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case sGssAuthentication:
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@ -546,7 +546,7 @@ index cb578658..a6e01df2 100644
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# ifdef USE_AFS
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dump_cfg_fmtint(sKerberosGetAFSToken, o->kerberos_get_afs_token);
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# endif
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+ dump_cfg_fmtint(sKerberosUniqueTicket, o->kerberos_unique_ticket);
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+ dump_cfg_fmtint(sKerberosUniqueCCache, o->kerberos_unique_ccache);
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#endif
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#ifdef GSSAPI
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dump_cfg_fmtint(sGssAuthentication, o->gss_authentication);
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@ -558,7 +558,7 @@ index db8362c6..4fa42d64 100644
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* file on logout. */
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int kerberos_get_afs_token; /* If true, try to get AFS token if
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* authenticated with Kerberos. */
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+ int kerberos_unique_ticket; /* If true, the aquired ticket will
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+ int kerberos_unique_ccache; /* If true, the acquired ticket will
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+ * be stored in per-session ccache */
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int gss_authentication; /* If true, permit GSSAPI authentication */
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int gss_keyex; /* If true, permit GSSAPI key exchange */
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@ -633,16 +633,18 @@ diff --git a/sshd_config.5 b/sshd_config.5
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index c0683d4a..2349f477 100644
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--- a/sshd_config.5
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+++ b/sshd_config.5
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@@ -860,6 +860,12 @@ Specifies whether to automatically destroy the user's ticket cache
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@@ -860,6 +860,14 @@ Specifies whether to automatically destroy the user's ticket cache
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file on logout.
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The default is
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.Cm yes .
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+.It Cm KerberosUniqueTicket
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+Specifies whether to store the aquired tickets in the per-session credential
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+cache or whether to use per-user credential cache, which might overwrite
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+tickets aquired in different sessions of the same user.
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+The default is
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+.Cm no .
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+.It Cm KerberosUniqueCCache
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+Specifies whether to store the acquired tickets in the per-session credential
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+cache under /tmp/ or whether to use per-user credential cache as configured in
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+.Pa /etc/krb5.conf .
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+The default value
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+.Cm no
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+can lead to overwriting previous tickets by subseqent connections to the same
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+user account.
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.It Cm KexAlgorithms
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Specifies the available KEX (Key Exchange) algorithms.
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Multiple algorithms must be comma-separated.
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