16114c3494
* gnu/packages/patches/mit-krb5-CVE-2015-2695-pt1.patch, gnu/packages/patches/mit-krb5-CVE-2015-2695-pt2.patch, gnu/packages/patches/mit-krb5-CVE-2015-2696.patch, gnu/packages/patches/mit-krb5-CVE-2015-2697.patch, gnu/packages/patches/mit-krb5-CVE-2015-2698-pt1.patch, gnu/packages/patches/mit-krb5-CVE-2015-2698-pt2.patch: Delete files. * gnu/packages/patches/mit-krb5-CVE-2015-8629.patch, gnu/packages/patches/mit-krb5-CVE-2015-8630.patch, gnu/packages/patches/mit-krb5-CVE-2015-8631.patch, gnu/packages/patches/mit-krb5-init-context-null-spnego.patch: New files. * gnu-system.am (dist_patch_DATA): Adjust accordingly. * gnu/packages/mit-krb5.scm (mit-krb5): Update to 1.13.3. [source]: Update URI to download conventional .tar.gz file. Add patches. [native-inputs]: Remove old patches-as-inputs. [arguments]: Remove hacks needed to cope with the older unconventional tarball that contained an inner source tarball and signature: Remove #:modules argument, and the custom 'unpack' and 'apply-patches' phases.
576 lines
22 KiB
Diff
576 lines
22 KiB
Diff
Copied from Fedora.
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http://pkgs.fedoraproject.org/cgit/rpms/krb5.git/tree/krb5-CVE-2015-8631.patch?h=f22
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From 83ed75feba32e46f736fcce0d96a0445f29b96c2 Mon Sep 17 00:00:00 2001
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From: Greg Hudson <ghudson@mit.edu>
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Date: Fri, 8 Jan 2016 13:16:54 -0500
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Subject: [PATCH 3/3] Fix leaks in kadmin server stubs [CVE-2015-8631]
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In each kadmind server stub, initialize the client_name and
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server_name variables, and release them in the cleanup handler. Many
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of the stubs will otherwise leak the client and server name if
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krb5_unparse_name() fails. Also make sure to free the prime_arg
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variables in rename_principal_2_svc(), or we can leak the first one if
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unparsing the second one fails. Discovered by Simo Sorce.
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CVE-2015-8631:
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In all versions of MIT krb5, an authenticated attacker can cause
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kadmind to leak memory by supplying a null principal name in a request
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which uses one. Repeating these requests will eventually cause
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kadmind to exhaust all available memory.
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CVSSv2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C/E:POC/RL:OF/RC:C
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ticket: 8343 (new)
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target_version: 1.14-next
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target_version: 1.13-next
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tags: pullup
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---
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src/kadmin/server/server_stubs.c | 151 ++++++++++++++++++++-------------------
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1 file changed, 77 insertions(+), 74 deletions(-)
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diff --git a/src/kadmin/server/server_stubs.c b/src/kadmin/server/server_stubs.c
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index 1879dc6..6ac797e 100644
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--- a/src/kadmin/server/server_stubs.c
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+++ b/src/kadmin/server/server_stubs.c
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@@ -334,7 +334,8 @@ create_principal_2_svc(cprinc_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name, service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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restriction_t *rp;
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@@ -382,10 +383,10 @@ create_principal_2_svc(cprinc_arg *arg, struct svc_req *rqstp)
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krb5_free_error_message(handle->context, errmsg);
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}
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free(prime_arg);
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- gss_release_buffer(&minor_stat, &client_name);
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- gss_release_buffer(&minor_stat, &service_name);
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exit_func:
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+ gss_release_buffer(&minor_stat, &client_name);
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+ gss_release_buffer(&minor_stat, &service_name);
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free_server_handle(handle);
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return &ret;
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}
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@@ -395,7 +396,8 @@ create_principal3_2_svc(cprinc3_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name, service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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restriction_t *rp;
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@@ -444,10 +446,10 @@ create_principal3_2_svc(cprinc3_arg *arg, struct svc_req *rqstp)
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krb5_free_error_message(handle->context, errmsg);
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}
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free(prime_arg);
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- gss_release_buffer(&minor_stat, &client_name);
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- gss_release_buffer(&minor_stat, &service_name);
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exit_func:
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+ gss_release_buffer(&minor_stat, &client_name);
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+ gss_release_buffer(&minor_stat, &service_name);
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free_server_handle(handle);
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return &ret;
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}
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@@ -457,8 +459,8 @@ delete_principal_2_svc(dprinc_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -501,10 +503,10 @@ delete_principal_2_svc(dprinc_arg *arg, struct svc_req *rqstp)
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}
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free(prime_arg);
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- gss_release_buffer(&minor_stat, &client_name);
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- gss_release_buffer(&minor_stat, &service_name);
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exit_func:
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+ gss_release_buffer(&minor_stat, &client_name);
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+ gss_release_buffer(&minor_stat, &service_name);
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free_server_handle(handle);
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return &ret;
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}
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@@ -514,8 +516,8 @@ modify_principal_2_svc(mprinc_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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restriction_t *rp;
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@@ -559,9 +561,9 @@ modify_principal_2_svc(mprinc_arg *arg, struct svc_req *rqstp)
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krb5_free_error_message(handle->context, errmsg);
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}
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free(prime_arg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -570,10 +572,9 @@ generic_ret *
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rename_principal_2_svc(rprinc_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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- char *prime_arg1,
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- *prime_arg2;
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- gss_buffer_desc client_name,
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- service_name;
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+ char *prime_arg1 = NULL, *prime_arg2 = NULL;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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restriction_t *rp;
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@@ -655,11 +656,11 @@ rename_principal_2_svc(rprinc_arg *arg, struct svc_req *rqstp)
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krb5_free_error_message(handle->context, errmsg);
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}
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+exit_func:
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free(prime_arg1);
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free(prime_arg2);
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -669,8 +670,8 @@ get_principal_2_svc(gprinc_arg *arg, struct svc_req *rqstp)
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{
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static gprinc_ret ret;
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char *prime_arg, *funcname;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -719,9 +720,9 @@ get_principal_2_svc(gprinc_arg *arg, struct svc_req *rqstp)
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krb5_free_error_message(handle->context, errmsg);
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}
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free(prime_arg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -731,8 +732,8 @@ get_princs_2_svc(gprincs_arg *arg, struct svc_req *rqstp)
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{
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static gprincs_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -777,9 +778,9 @@ get_princs_2_svc(gprincs_arg *arg, struct svc_req *rqstp)
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krb5_free_error_message(handle->context, errmsg);
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}
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -789,8 +790,8 @@ chpass_principal_2_svc(chpass_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -840,9 +841,9 @@ chpass_principal_2_svc(chpass_arg *arg, struct svc_req *rqstp)
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}
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free(prime_arg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -852,8 +853,8 @@ chpass_principal3_2_svc(chpass3_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -909,9 +910,9 @@ chpass_principal3_2_svc(chpass3_arg *arg, struct svc_req *rqstp)
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}
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free(prime_arg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -921,8 +922,8 @@ setv4key_principal_2_svc(setv4key_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -969,9 +970,9 @@ setv4key_principal_2_svc(setv4key_arg *arg, struct svc_req *rqstp)
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}
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free(prime_arg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -981,8 +982,8 @@ setkey_principal_2_svc(setkey_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -1029,9 +1030,9 @@ setkey_principal_2_svc(setkey_arg *arg, struct svc_req *rqstp)
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}
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free(prime_arg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -1041,8 +1042,8 @@ setkey_principal3_2_svc(setkey3_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -1092,9 +1093,9 @@ setkey_principal3_2_svc(setkey3_arg *arg, struct svc_req *rqstp)
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}
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free(prime_arg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -1106,8 +1107,8 @@ chrand_principal_2_svc(chrand_arg *arg, struct svc_req *rqstp)
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krb5_keyblock *k;
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int nkeys;
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char *prime_arg, *funcname;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -1164,9 +1165,9 @@ chrand_principal_2_svc(chrand_arg *arg, struct svc_req *rqstp)
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krb5_free_error_message(handle->context, errmsg);
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}
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free(prime_arg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -1178,8 +1179,8 @@ chrand_principal3_2_svc(chrand3_arg *arg, struct svc_req *rqstp)
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krb5_keyblock *k;
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int nkeys;
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char *prime_arg, *funcname;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -1241,9 +1242,9 @@ chrand_principal3_2_svc(chrand3_arg *arg, struct svc_req *rqstp)
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krb5_free_error_message(handle->context, errmsg);
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}
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free(prime_arg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -1253,8 +1254,8 @@ create_policy_2_svc(cpol_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -1295,9 +1296,9 @@ create_policy_2_svc(cpol_arg *arg, struct svc_req *rqstp)
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if (errmsg != NULL)
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krb5_free_error_message(handle->context, errmsg);
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}
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -1307,8 +1308,8 @@ delete_policy_2_svc(dpol_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -1347,9 +1348,9 @@ delete_policy_2_svc(dpol_arg *arg, struct svc_req *rqstp)
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if (errmsg != NULL)
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krb5_free_error_message(handle->context, errmsg);
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}
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -1359,8 +1360,8 @@ modify_policy_2_svc(mpol_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -1400,9 +1401,9 @@ modify_policy_2_svc(mpol_arg *arg, struct svc_req *rqstp)
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if (errmsg != NULL)
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krb5_free_error_message(handle->context, errmsg);
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}
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -1413,8 +1414,8 @@ get_policy_2_svc(gpol_arg *arg, struct svc_req *rqstp)
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static gpol_ret ret;
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kadm5_ret_t ret2;
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char *prime_arg, *funcname;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_principal_ent_rec caller_ent;
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kadm5_server_handle_t handle;
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@@ -1475,9 +1476,9 @@ get_policy_2_svc(gpol_arg *arg, struct svc_req *rqstp)
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log_unauth(funcname, prime_arg,
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&client_name, &service_name, rqstp);
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}
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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@@ -1488,8 +1489,8 @@ get_pols_2_svc(gpols_arg *arg, struct svc_req *rqstp)
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{
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static gpols_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -1531,9 +1532,9 @@ get_pols_2_svc(gpols_arg *arg, struct svc_req *rqstp)
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if (errmsg != NULL)
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krb5_free_error_message(handle->context, errmsg);
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}
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -1541,7 +1542,8 @@ exit_func:
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getprivs_ret * get_privs_2_svc(krb5_ui_4 *arg, struct svc_req *rqstp)
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{
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static getprivs_ret ret;
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- gss_buffer_desc client_name, service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -1571,9 +1573,9 @@ getprivs_ret * get_privs_2_svc(krb5_ui_4 *arg, struct svc_req *rqstp)
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if (errmsg != NULL)
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krb5_free_error_message(handle->context, errmsg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -1583,7 +1585,8 @@ purgekeys_2_svc(purgekeys_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg, *funcname;
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- gss_buffer_desc client_name, service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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@@ -1629,9 +1632,9 @@ purgekeys_2_svc(purgekeys_arg *arg, struct svc_req *rqstp)
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krb5_free_error_message(handle->context, errmsg);
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}
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free(prime_arg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -1641,8 +1644,8 @@ get_strings_2_svc(gstrings_arg *arg, struct svc_req *rqstp)
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{
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static gstrings_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -1688,9 +1691,9 @@ get_strings_2_svc(gstrings_arg *arg, struct svc_req *rqstp)
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krb5_free_error_message(handle->context, errmsg);
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}
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free(prime_arg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -1700,8 +1703,8 @@ set_string_2_svc(sstring_arg *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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char *prime_arg;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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OM_uint32 minor_stat;
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kadm5_server_handle_t handle;
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const char *errmsg = NULL;
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@@ -1744,9 +1747,9 @@ set_string_2_svc(sstring_arg *arg, struct svc_req *rqstp)
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krb5_free_error_message(handle->context, errmsg);
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}
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free(prime_arg);
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+exit_func:
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gss_release_buffer(&minor_stat, &client_name);
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gss_release_buffer(&minor_stat, &service_name);
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-exit_func:
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free_server_handle(handle);
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return &ret;
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}
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@@ -1754,8 +1757,8 @@ exit_func:
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generic_ret *init_2_svc(krb5_ui_4 *arg, struct svc_req *rqstp)
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{
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static generic_ret ret;
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- gss_buffer_desc client_name,
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- service_name;
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+ gss_buffer_desc client_name = GSS_C_EMPTY_BUFFER;
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+ gss_buffer_desc service_name = GSS_C_EMPTY_BUFFER;
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kadm5_server_handle_t handle;
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OM_uint32 minor_stat;
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const char *errmsg = NULL;
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@@ -1797,10 +1800,10 @@ generic_ret *init_2_svc(krb5_ui_4 *arg, struct svc_req *rqstp)
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rqstp->rq_cred.oa_flavor);
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if (errmsg != NULL)
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krb5_free_error_message(NULL, errmsg);
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- gss_release_buffer(&minor_stat, &client_name);
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- gss_release_buffer(&minor_stat, &service_name);
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exit_func:
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+ gss_release_buffer(&minor_stat, &client_name);
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+ gss_release_buffer(&minor_stat, &service_name);
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return(&ret);
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}
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--
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2.7.0.rc3
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