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144 lines
6.1 KiB
144 lines
6.1 KiB
7 years ago
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diff -up openssh-7.4p1/configure.ac.vendor openssh-7.4p1/configure.ac
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--- openssh-7.4p1/configure.ac.vendor 2017-02-10 10:45:54.977836854 +0100
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+++ openssh-7.4p1/configure.ac 2017-02-10 10:45:54.995836725 +0100
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@@ -4930,6 +4930,12 @@ AC_ARG_WITH([lastlog],
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fi
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]
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)
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+AC_ARG_ENABLE(vendor-patchlevel,
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+ [ --enable-vendor-patchlevel=TAG specify a vendor patch level],
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+ [AC_DEFINE_UNQUOTED(SSH_VENDOR_PATCHLEVEL,[SSH_RELEASE "-" "$enableval"],[Define to your vendor patch level, if it has been modified from the upstream source release.])
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+ SSH_VENDOR_PATCHLEVEL="$enableval"],
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+ [AC_DEFINE(SSH_VENDOR_PATCHLEVEL,SSH_RELEASE,[Define to your vendor patch level, if it has been modified from the upstream source release.])
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+ SSH_VENDOR_PATCHLEVEL=none])
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dnl lastlog, [uw]tmpx? detection
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dnl NOTE: set the paths in the platform section to avoid the
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@@ -5194,6 +5200,7 @@ echo " Translate v4 in v6 hack
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echo " BSD Auth support: $BSD_AUTH_MSG"
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echo " Random number source: $RAND_MSG"
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echo " Privsep sandbox style: $SANDBOX_STYLE"
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+echo " Vendor patch level: $SSH_VENDOR_PATCHLEVEL"
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echo ""
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diff -up openssh-7.4p1/servconf.c.vendor openssh-7.4p1/servconf.c
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--- openssh-7.4p1/servconf.c.vendor 2016-12-19 05:59:41.000000000 +0100
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+++ openssh-7.4p1/servconf.c 2017-02-10 10:45:54.995836725 +0100
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@@ -143,6 +143,7 @@ initialize_server_options(ServerOptions
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options->max_authtries = -1;
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options->max_sessions = -1;
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options->banner = NULL;
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+ options->show_patchlevel = -1;
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options->use_dns = -1;
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options->client_alive_interval = -1;
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options->client_alive_count_max = -1;
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@@ -325,6 +326,8 @@ fill_default_server_options(ServerOption
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options->ip_qos_bulk = IPTOS_THROUGHPUT;
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if (options->version_addendum == NULL)
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options->version_addendum = xstrdup("");
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+ if (options->show_patchlevel == -1)
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+ options->show_patchlevel = 0;
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if (options->fwd_opts.streamlocal_bind_mask == (mode_t)-1)
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options->fwd_opts.streamlocal_bind_mask = 0177;
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if (options->fwd_opts.streamlocal_bind_unlink == -1)
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@@ -402,7 +405,7 @@ typedef enum {
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sIgnoreUserKnownHosts, sCiphers, sMacs, sPidFile,
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sGatewayPorts, sPubkeyAuthentication, sPubkeyAcceptedKeyTypes,
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sXAuthLocation, sSubsystem, sMaxStartups, sMaxAuthTries, sMaxSessions,
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- sBanner, sUseDNS, sHostbasedAuthentication,
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+ sBanner, sShowPatchLevel, sUseDNS, sHostbasedAuthentication,
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sHostbasedUsesNameFromPacketOnly, sHostbasedAcceptedKeyTypes,
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sHostKeyAlgorithms,
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sClientAliveInterval, sClientAliveCountMax, sAuthorizedKeysFile,
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@@ -528,6 +531,7 @@ static struct {
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{ "maxauthtries", sMaxAuthTries, SSHCFG_ALL },
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{ "maxsessions", sMaxSessions, SSHCFG_ALL },
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{ "banner", sBanner, SSHCFG_ALL },
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+ { "showpatchlevel", sShowPatchLevel, SSHCFG_GLOBAL },
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{ "usedns", sUseDNS, SSHCFG_GLOBAL },
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{ "verifyreversemapping", sDeprecated, SSHCFG_GLOBAL },
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{ "reversemappingcheck", sDeprecated, SSHCFG_GLOBAL },
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@@ -1369,6 +1373,10 @@ process_server_config_line(ServerOptions
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multistate_ptr = multistate_privsep;
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goto parse_multistate;
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+ case sShowPatchLevel:
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+ intptr = &options->show_patchlevel;
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+ goto parse_flag;
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+
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case sAllowUsers:
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while ((arg = strdelim(&cp)) && *arg != '\0') {
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if (options->num_allow_users >= MAX_ALLOW_USERS)
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@@ -2269,6 +2277,7 @@ dump_config(ServerOptions *o)
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dump_cfg_fmtint(sPermitUserEnvironment, o->permit_user_env);
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dump_cfg_fmtint(sCompression, o->compression);
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dump_cfg_fmtint(sGatewayPorts, o->fwd_opts.gateway_ports);
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+ dump_cfg_fmtint(sShowPatchLevel, o->show_patchlevel);
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dump_cfg_fmtint(sUseDNS, o->use_dns);
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dump_cfg_fmtint(sAllowTcpForwarding, o->allow_tcp_forwarding);
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dump_cfg_fmtint(sAllowAgentForwarding, o->allow_agent_forwarding);
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diff -up openssh-7.4p1/servconf.h.vendor openssh-7.4p1/servconf.h
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--- openssh-7.4p1/servconf.h.vendor 2016-12-19 05:59:41.000000000 +0100
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+++ openssh-7.4p1/servconf.h 2017-02-10 10:45:54.995836725 +0100
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@@ -149,6 +149,7 @@ typedef struct {
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int max_authtries;
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int max_sessions;
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char *banner; /* SSH-2 banner message */
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+ int show_patchlevel; /* Show vendor patch level to clients */
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int use_dns;
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int client_alive_interval; /*
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* poke the client this often to
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diff -up openssh-7.4p1/sshd_config.5.vendor openssh-7.4p1/sshd_config.5
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--- openssh-7.4p1/sshd_config.5.vendor 2017-02-10 10:45:54.990836761 +0100
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+++ openssh-7.4p1/sshd_config.5 2017-02-10 10:45:54.996836718 +0100
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@@ -1334,6 +1334,14 @@ an OpenSSH Key Revocation List (KRL) as
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.Xr ssh-keygen 1 .
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For more information on KRLs, see the KEY REVOCATION LISTS section in
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.Xr ssh-keygen 1 .
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+.It Cm ShowPatchLevel
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+Specifies whether
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+.Nm sshd
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+will display the patch level of the binary in the identification string.
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+The patch level is set at compile-time.
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+The default is
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+.Dq no .
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+This option applies to protocol version 1 only.
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.It Cm StreamLocalBindMask
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Sets the octal file creation mode mask
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.Pq umask
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diff -up openssh-7.4p1/sshd_config.vendor openssh-7.4p1/sshd_config
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--- openssh-7.4p1/sshd_config.vendor 2017-02-10 10:45:54.990836761 +0100
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+++ openssh-7.4p1/sshd_config 2017-02-10 10:45:54.996836718 +0100
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@@ -105,6 +105,7 @@ X11Forwarding yes
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#Compression delayed
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#ClientAliveInterval 0
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#ClientAliveCountMax 3
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+#ShowPatchLevel no
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#UseDNS no
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#PidFile /var/run/sshd.pid
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#MaxStartups 10:30:100
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diff -up openssh-7.4p1/sshd.c.vendor openssh-7.4p1/sshd.c
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--- openssh-7.4p1/sshd.c.vendor 2017-02-10 10:45:54.996836718 +0100
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+++ openssh-7.4p1/sshd.c 2017-02-10 10:48:41.633648667 +0100
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@@ -367,7 +367,8 @@ sshd_exchange_identification(struct ssh
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char remote_version[256]; /* Must be at least as big as buf. */
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xasprintf(&server_version_string, "SSH-%d.%d-%.100s%s%s%s",
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- PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_VERSION,
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+ PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2,
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+ (options.show_patchlevel == 1) ? SSH_VENDOR_PATCHLEVEL : SSH_VERSION,
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*options.version_addendum == '\0' ? "" : " ",
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options.version_addendum, newline);
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@@ -1654,7 +1655,8 @@ main(int ac, char **av)
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exit(1);
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}
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- debug("sshd version %s, %s", SSH_VERSION,
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+ debug("sshd version %s, %s",
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+ (options.show_patchlevel == 1) ? SSH_VENDOR_PATCHLEVEL : SSH_VERSION,
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#ifdef WITH_OPENSSL
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SSLeay_version(SSLEAY_VERSION)
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#else
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