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From d32db5e1e2c32f0634a26de277fd91daf47ce32d Mon Sep 17 00:00:00 2001
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From: Jeff Layton <jlayton@samba.org>
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Date: Mon, 7 Apr 2014 14:35:17 -0400
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Subject: [PATCH] cifs: use krb5_kt_default() to determine default keytab
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location
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...don't assume that it's in /etc/krb5.keytab.
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Reported-by: Konstantin Lepikhov <klepikho@redhat.com>
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Signed-off-by: Jeff Layton <jlayton@samba.org>
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(cherry picked from commit a016e18969d10e3c777f35fe21b1c1f8c1d70880)
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Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
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---
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cifs.upcall.c | 13 +++++++++----
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1 file changed, 9 insertions(+), 4 deletions(-)
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diff --git a/cifs.upcall.c b/cifs.upcall.c
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index cc65824..e8544c2 100644
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--- a/cifs.upcall.c
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+++ b/cifs.upcall.c
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@@ -55,7 +55,6 @@
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#define CIFS_DEFAULT_KRB5_DIR "/tmp"
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#define CIFS_DEFAULT_KRB5_USER_DIR "/run/user/%U"
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#define CIFS_DEFAULT_KRB5_PREFIX "krb5cc"
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-#define CIFS_DEFAULT_KRB5_KEYTAB "/etc/krb5.keytab"
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#define MAX_CCNAME_LEN PATH_MAX + 5
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@@ -205,9 +204,15 @@ init_cc_from_keytab(const char *keytab_name, const char *user)
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goto icfk_cleanup;
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}
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- ret = krb5_kt_resolve(context, keytab_name, &keytab);
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+ if (keytab_name)
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+ ret = krb5_kt_resolve(context, keytab_name, &keytab);
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+ else
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+ ret = krb5_kt_default(context, &keytab);
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+
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if (ret) {
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- syslog(LOG_DEBUG, "krb5_kt_resolve: %d", (int)ret);
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+ syslog(LOG_DEBUG, "%s: %d",
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+ keytab_name ? "krb5_kt_resolve" : "krb5_kt_default",
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+ (int)ret);
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goto icfk_cleanup;
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}
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@@ -841,7 +846,7 @@ int main(const int argc, char *const argv[])
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struct decoded_args arg;
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const char *oid;
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uid_t uid;
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- char *keytab_name = CIFS_DEFAULT_KRB5_KEYTAB;
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+ char *keytab_name = NULL;
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time_t best_time = 0;
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hostbuf[0] = '\0';
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--
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1.9.3
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