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20 lines
1 KiB
Bash
Executable file
20 lines
1 KiB
Bash
Executable file
#!/bin/sh
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# This script is the a wrapper around menuprompt automatically passing options
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# to prompt for a password. This is necessary for SUDO_ASKPASS variable, as it
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# expects a path to a single executable.
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#
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# SUDO_ASKPASS is an environment variable that can be set to a path of an executable,
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# which will run if sudo can't obtain password from terminal (stdin), i.e. running in
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# a graphical application. This script will use menuprompt to obtain the plaintext
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# password and which sudo will then read and verify.
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#
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# This is as safe as any other SUDO_ASKPASS program, and it needs to return the final
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# password in plaintext for sudo to read it, however pipes retain the same filesystem user
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# permissions and shouldn't be accessible to other non-priviledged users, so it's not
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# a huge security issue, but know that it will deal with plaintext passwords.
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#
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# You can test whether this worked by running sudo -A echo "test", making sudo use the
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# SUDO_ASKPASS program to obtain the password.
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menuprompt -P -p "$1" 2>/dev/null
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