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diff --git a/utils/gssd/krb5_util.c b/utils/gssd/krb5_util.c
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index 5fde091..990111d 100644
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--- a/utils/gssd/krb5_util.c
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+++ b/utils/gssd/krb5_util.c
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@@ -801,8 +801,10 @@ find_keytab_entry(krb5_context context, krb5_keytab kt, const char *tgtname,
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char *default_realm = NULL;
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char *realm;
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char *k5err = NULL;
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- int tried_all = 0, tried_default = 0;
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+ int tried_all = 0, tried_default = 0, tried_upper = 0;
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krb5_principal princ;
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+ const char *notsetstr = "not set";
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+ char *adhostoverride;
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/* Get full target hostname */
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@@ -820,13 +822,23 @@ find_keytab_entry(krb5_context context, krb5_keytab kt, const char *tgtname,
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}
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/* Compute the active directory machine name HOST$ */
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- strcpy(myhostad, myhostname);
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- for (i = 0; myhostad[i] != 0; ++i) {
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- if (myhostad[i] == '.') break;
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- myhostad[i] = toupper(myhostad[i]);
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+ krb5_appdefault_string(context, "nfs", NULL, "ad_principal_name",
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+ notsetstr, &adhostoverride);
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+ if (strcmp(adhostoverride, notsetstr) != 0) {
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+ printerr (1,
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+ "AD host string overridden with \"%s\" from appdefaults\n",
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+ adhostoverride);
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+ /* No overflow: Windows cannot handle strings longer than 19 chars */
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+ strcpy(myhostad, adhostoverride);
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+ free(adhostoverride);
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+ } else {
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+ strcpy(myhostad, myhostname);
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+ for (i = 0; myhostad[i] != 0; ++i) {
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+ if (myhostad[i] == '.') break;
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+ }
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+ myhostad[i] = '$';
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+ myhostad[i+1] = 0;
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}
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- myhostad[i] = '$';
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- myhostad[i+1] = 0;
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retval = get_full_hostname(myhostname, myhostname, sizeof(myhostname));
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if (retval) {
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@@ -923,6 +935,19 @@ find_keytab_entry(krb5_context context, krb5_keytab kt, const char *tgtname,
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k5err = gssd_k5_err_msg(context, code);
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printerr(3, "%s while getting keytab entry for '%s'\n",
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k5err, spn);
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+ /*
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+ * We tried the active directory machine account
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+ * with the hostname part as-is and failed...
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+ * convert it to uppercase and try again before
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+ * moving on to the svcname
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+ */
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+ if (strcmp(svcnames[j],"$") == 0 && !tried_upper) {
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+ for (i = 0; myhostad[i] != '$'; ++i) {
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+ myhostad[i] = toupper(myhostad[i]);
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+ }
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+ j--;
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+ tried_upper = 1;
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+ }
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} else {
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printerr(3, "Success getting keytab entry for '%s'\n",spn);
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retval = 0;
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