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30 lines
903 B
30 lines
903 B
commit 9a480deec4d20277d8e20bc55515ef0640ca1e55
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Author: Wayne Davison <wayned@samba.org>
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Date: Tue Oct 24 20:44:37 2017 -0700
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Only allow a modern checksum method for passwords.
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diff --git a/authenticate.c b/authenticate.c
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index d60ee20..a106b0f 100644
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--- a/authenticate.c
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+++ b/authenticate.c
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@@ -22,6 +22,7 @@
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#include "itypes.h"
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extern int read_only;
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+extern int protocol_version;
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extern char *password_file;
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/***************************************************************************
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@@ -237,6 +238,11 @@ char *auth_server(int f_in, int f_out, int module, const char *host,
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if (!users || !*users)
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return "";
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+ if (protocol_version < 21) { /* Don't allow a weak checksum for the password. */
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+ rprintf(FERROR, "ERROR: protocol version is too old!\n");
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+ exit_cleanup(RERR_PROTOCOL);
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+ }
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+
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gen_challenge(addr, challenge);
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io_printf(f_out, "%s%s\n", leader, challenge);
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