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From 5587c1de938324faa1871e08ccfc835415acb443 Mon Sep 17 00:00:00 2001
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From: Greg Hudson <ghudson@mit.edu>
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Date: Tue, 17 Jul 2018 11:29:19 -0400
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Subject: [PATCH] Make krb5kdc -p affect TCP ports
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Now that the KDC listens for TCP connections by default (ticket 6731),
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the "-p" option should affect both UDP and TCP default listening
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ports.
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ticket: 8715 (new)
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(cherry picked from commit eb514587acc5c357bf0f554199bf0489b5515f8b)
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---
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doc/admin/admin_commands/krb5kdc.rst | 12 ++++++------
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src/kdc/main.c | 12 ++++--------
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2 files changed, 10 insertions(+), 14 deletions(-)
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diff --git a/doc/admin/admin_commands/krb5kdc.rst b/doc/admin/admin_commands/krb5kdc.rst
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index 7ec4ee4d3..bda2c015c 100644
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--- a/doc/admin/admin_commands/krb5kdc.rst
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+++ b/doc/admin/admin_commands/krb5kdc.rst
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@@ -57,12 +57,12 @@ The **-P** *pid_file* option tells the KDC to write its PID into
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the KDC is still running and to allow init scripts to stop the correct
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process.
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-The **-p** *portnum* option specifies the default UDP port numbers
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-which the KDC should listen on for Kerberos version 5 requests, as a
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-comma-separated list. This value overrides the UDP port numbers
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-specified in the :ref:`kdcdefaults` section of :ref:`kdc.conf(5)`, but
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-may be overridden by realm-specific values. If no value is given from
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-any source, the default port is 88.
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+The **-p** *portnum* option specifies the default UDP and TCP port
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+numbers which the KDC should listen on for Kerberos version 5
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+requests, as a comma-separated list. This value overrides the port
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+numbers specified in the :ref:`kdcdefaults` section of
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+:ref:`kdc.conf(5)`, but may be overridden by realm-specific values.
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+If no value is given from any source, the default port is 88.
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The **-w** *numworkers* option tells the KDC to fork *numworkers*
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processes to listen to the KDC ports and process requests in parallel.
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diff --git a/src/kdc/main.c b/src/kdc/main.c
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index ccac3a759..89dac23ae 100644
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--- a/src/kdc/main.c
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+++ b/src/kdc/main.c
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@@ -793,19 +793,15 @@ initialize_realms(krb5_context kcontext, int argc, char **argv,
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pid_file = optarg;
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break;
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case 'p':
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- if (def_udp_listen)
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- free(def_udp_listen);
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+ free(def_udp_listen);
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+ free(def_tcp_listen);
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def_udp_listen = strdup(optarg);
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- if (!def_udp_listen) {
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+ def_tcp_listen = strdup(optarg);
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+ if (def_udp_listen == NULL || def_tcp_listen == NULL) {
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fprintf(stderr, _(" KDC cannot initialize. Not enough "
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"memory\n"));
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exit(1);
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}
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-#if 0 /* not yet */
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- if (default_tcp_ports)
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- free(default_tcp_ports);
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- default_tcp_ports = strdup(optarg);
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-#endif
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break;
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case 'T':
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time_offset = atoi(optarg);
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