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https://github.com/paulusmack/ppp.git
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78 lines
2.2 KiB
Bash
Executable File
78 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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###################################################################
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#
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# Script to dial the remote system, negotiate the connection, and send
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# it the id. Then wait for the modem to disconnect. Reset the modem
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# to answer mode and wait for the system to call back.
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#
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# The telephone number and modempass are used when establishing the
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# connection to the modem.
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#
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PHONE=555-1212
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MODEMPASS=modem_identifier
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#
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# Once the modem calls back, the account name and password are used for
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# a UNIX style login operation.
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#
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ACCOUNT=my_account_name
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PASSWORD=my_password
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###################################################################
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#
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# Step 1. Dial the modem and negotiate the initial dialog.
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# note: the modem is configured to ignore loss of DCD at this point.
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# it is important that this be performed because the loss of DCD
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# will normally prevent system from working since 'modem' is used
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# for pppd.
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#
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# The script is terminated normally when the carrier is lost.
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#
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chat -v \
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TIMEOUT 3 \
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ABORT '\nBUSY\r' \
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ABORT '\nNO ANSWER\r' \
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ABORT '\nRINGING\r\n\r\nRINGING\r' \
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'' AT \
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'OK-+++\c-OK' 'AT&C0&D2S0=0H0 \
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TIMEOUT 30 \
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OK ATDT$TELEPHONE \
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CONNECT '' \
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assword: $MODEMPASS \
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"\nNO CARRIER\r"
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if [ "$?" = "0" ]; then
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###################################################################
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#
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# Step 2. Wait for the call back from the remote. This will wait for at most
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# 30 seconds for the call back should the first attempt fail or
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# something happen with the callback logic at the remote.
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#
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# note: when the callback occurs, the DCD setting is re-enabled.
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#
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# If some voice call should happen during this period, the system will
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# answer the telephone and then hang up on them. I realize that this is
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# rude, but there is little that this script can do.
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#
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chat -v \
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TIMEOUT 30 \
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ABORT '\nVOICE\r' \
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'\nRING\r' 'AT&C1A' \
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CONNECT '' \
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TIMEOUT 10 \
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ogin:--ogin: $ACCOUNT \
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TIMEOUT 45 \
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assword: $PASSWORD
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if [ "$?" = "0" ]; then
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exit 0
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fi
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fi
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###################################################################
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#
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# The script has failed. Terminate the connection mode.
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#
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chat -v TIMEOUT 3 "" AT 'OK-+++\c-OK' 'AT&C1&D2S0=0H0' OK
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exit 1
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