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36 lines
1.3 KiB
Fish
36 lines
1.3 KiB
Fish
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function __fish_print_hostnames -d "Print a list of known hostnames"
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# HACK: This only deals with ipv4
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# Print all hosts from /etc/hosts
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if type -q getent
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# Ignore zero ips
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getent hosts | grep -v '^0.0.0.0' \
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| string replace -r '[0-9.]*\s*' '' | string split " "
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else if test -r /etc/hosts
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# Ignore commented lines and functionally empty lines
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grep -v '^\s*0.0.0.0\|^\s*#\|^\s*$' /etc/hosts \
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# Strip comments
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| string replace -ra '#.*$' '' \
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| string replace -r '[0-9.]*\s*' '' | string trim | string replace -ra '\s+' '\n'
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end
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# Print nfs servers from /etc/fstab
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if test -r /etc/fstab
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__fish_sgrep </etc/fstab "^\([0-9]*\.[0-9]*\.[0-9]*\.[0-9]*\|[a-zA-Z.]*\):"|cut -d : -f 1
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end
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# Print hosts with known ssh keys
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# Does not match hostnames with @directives specified
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__fish_sgrep -Eoh '^[^#@|, ]*' ~/.ssh/known_hosts{,2} ^/dev/null | string replace -r '^\[([^]]+)\]:[0-9]+$' '$1'
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# Print hosts from system wide ssh configuration file
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if [ -e /etc/ssh/ssh_config ]
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awk -v FS="[ =]+" -v OFS='\n' 'tolower($0) ~ /^ *host[^*?!]*$/{ $1=""; print }' /etc/ssh/ssh_config
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end
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# Print hosts from ssh configuration file
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if [ -e ~/.ssh/config ]
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awk -v FS="[ =]+" -v OFS='\n' 'tolower($0) ~ /^ *host[^*?!]*$/{ $1=""; print }' ~/.ssh/config
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end
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end
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