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tftp: do not risk invoking Sorcerer's Apprentice syndrome
examples/udhcp/simple.script: fix incorrect test for $1 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -3,7 +3,7 @@
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RESOLV_CONF="/etc/resolv.conf"
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RESOLV_CONF="/etc/resolv.conf"
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[ -n "$1" ] || echo "Error: should be called from udhcpc" && exit 1
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[ -n "$1" ] || { echo "Error: should be called from udhcpc"; exit 1; }
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NETMASK=""
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NETMASK=""
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[ -n "$subnet" ] && NETMASK="netmask $subnet"
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[ -n "$subnet" ] && NETMASK="netmask $subnet"
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@ -501,11 +501,14 @@ static int tftp_protocol(
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}
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}
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continue; /* send ACK */
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continue; /* send ACK */
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}
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}
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/* Disabled to cope with servers with Sorcerer's Apprentice Syndrome */
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#if 0
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if (recv_blk == (block_nr - 1)) {
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if (recv_blk == (block_nr - 1)) {
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/* Server lost our TFTP_ACK. Resend it */
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/* Server lost our TFTP_ACK. Resend it */
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block_nr = recv_blk;
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block_nr = recv_blk;
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continue;
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continue;
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}
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}
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#endif
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}
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}
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if (CMD_PUT(option_mask32) && (opcode == TFTP_ACK)) {
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if (CMD_PUT(option_mask32) && (opcode == TFTP_ACK)) {
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