43 lines
1.4 KiB
Diff
43 lines
1.4 KiB
Diff
xinetd: socket bind: Invalid argument (errno = 22) when using USERID on ipv6
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Use right size of addresses in bind() call. Also use getpeername addresses when
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connecting to ident service to prevent address family mismatch between socket(),
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bind() and connect() calls.
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Author: Jan Safranek <jsafrane@redhat.com>
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Reviewed-By: Adam Tkac <atkac@redhat.com>
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#diff -up xinetd-2.3.14/xinetd/ident.c.orig xinetd-2.3.14/xinetd/ident.c
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--- a/xinetd/ident.c
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+++ b/xinetd/ident.c
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@@ -97,7 +98,13 @@ idresult_e log_remote_user( const struct
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}
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CLEAR( sin_contact );
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- sin_remote = *CONN_XADDRESS( SERVER_CONNECTION( serp ) ) ;
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+
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+ sin_len = sizeof( sin_remote );
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+ if ( getpeername( SERVER_FD( serp ), &sin_remote.sa, &sin_len ) == -1 )
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+ {
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+ msg( LOG_ERR, func, "(%d) getpeername: %m", getpid() ) ;
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+ return( IDR_ERROR ) ;
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+ }
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sin_contact = sin_remote;
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memcpy( &sin_bind, &sin_local, sizeof(sin_bind) ) ;
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local_port = 0;
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@@ -121,7 +128,13 @@ idresult_e log_remote_user( const struct
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msg( LOG_ERR, func, "socket creation: %m" ) ;
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return( IDR_ERROR ) ;
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}
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- if ( bind(sd, &sin_bind.sa, sizeof(sin_bind.sa)) == -1 )
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+
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+ if ( sin_bind.sa.sa_family == AF_INET )
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+ sin_len = sizeof( sin_bind.sa_in ) ;
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+ else
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+ sin_len = sizeof( sin_bind.sa_in6 ) ;
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+
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+ if ( bind(sd, &sin_bind.sa, sin_len) == -1 )
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{
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msg( LOG_ERR, func, "socket bind: %m" ) ;
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(void) Sclose( sd ) ;
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