2008-01-03 15:47:35 +00:00
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Every KRB-PRIV message we generate to include as part of a password change
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request we create (after the first one) will include sequence numbers which
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look "wrong" to the recipient, because previously generating other KRB-PRIV
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messages will mess with the counters in the auth_context. Because the
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current code attempts to reuse auth_context structures (and changing that
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would be more invasive), we'll just save the sequence number values as they
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are after we build the AP-REQ, and restore them before generating requests.
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2008-01-23 18:27:03 +00:00
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RT#5867.
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2008-01-03 15:47:35 +00:00
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Index: src/lib/krb5/os/changepw.c
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===================================================================
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--- src/lib/krb5/os/changepw.c (revision 20195)
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+++ src/lib/krb5/os/changepw.c (working copy)
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@@ -34,6 +34,7 @@
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#include "k5-int.h"
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#include "os-proto.h"
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#include "cm.h"
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+#include "../krb/auth_con.h"
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#include <stdio.h>
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#include <errno.h>
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@@ -48,6 +49,7 @@
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krb5_principal set_password_for;
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char *newpw;
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krb5_data ap_req;
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+ krb5_ui_4 remote_seq_num, local_seq_num;
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};
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@@ -159,6 +161,9 @@
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&local_kaddr, NULL)))
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goto cleanup;
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+ ctx->auth_context->remote_seq_number = ctx->remote_seq_num;
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+ ctx->auth_context->local_seq_number = ctx->local_seq_num;
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+
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if (ctx->set_password_for)
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code = krb5int_mk_setpw_req(ctx->context,
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ctx->auth_context,
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@@ -225,6 +230,9 @@
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&callback_ctx.ap_req)))
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goto cleanup;
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+ callback_ctx.remote_seq_num = callback_ctx.auth_context->remote_seq_number;
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+ callback_ctx.local_seq_num = callback_ctx.auth_context->local_seq_number;
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+
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do {
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if ((code = krb5_locate_kpasswd(callback_ctx.context,
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krb5_princ_realm(callback_ctx.context,
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