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zimfw/modules/ssh/init.zsh

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initial commit
2015-12-15 00:12:17 -05:00
#
# sets up ssh-agent
#
# don't do anything unless we can actually use ssh-agent
use consistent variable style
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if (( ! ${+commands[ssh-agent]} )); then
initial commit
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return 1
fi
[ssh] Update init.zsh based on https://stackoverflow.com/a/48509425/2654518, which is based on http://rabexc.org/posts/pitfalls-of-ssh-agents Current code has a few issues: depends on `SSH_AUTH_SOCK` and `SSH_AGENT_PID` env variables, which might not be available in every shell session; and tries to create a new socket for agent-forwarding by checking `SSH_AUTH_SOCKET` instead of `SSH_AUTH_SOCK`. Also, it's safer to create the env file with 066 mode and in the user home directory. About not using `$` inside `(( ))`, this is what the the section ARITHMETIC EVALUATION in zshmisc(1) says: > Named parameters and subscripted arrays can be referenced by name > within an arithmetic expression without using the parameter expansion > syntax. And according to http://www.bash2zsh.com/zsh_refcard/refcard.pdf: > `var` (does not require `$` in front unless some substitution e.g. > `${#var}` is needed, `$` is error if `var` is to be modified) Closes #292
2018-09-17 16:38:48 -04:00
ssh-add -l &>/dev/null
if (( ? == 2 )); then
# Unable to contact the authentication agent
initial commit
2015-12-15 00:12:17 -05:00
[ssh] Update init.zsh based on https://stackoverflow.com/a/48509425/2654518, which is based on http://rabexc.org/posts/pitfalls-of-ssh-agents Current code has a few issues: depends on `SSH_AUTH_SOCK` and `SSH_AGENT_PID` env variables, which might not be available in every shell session; and tries to create a new socket for agent-forwarding by checking `SSH_AUTH_SOCKET` instead of `SSH_AUTH_SOCK`. Also, it's safer to create the env file with 066 mode and in the user home directory. About not using `$` inside `(( ))`, this is what the the section ARITHMETIC EVALUATION in zshmisc(1) says: > Named parameters and subscripted arrays can be referenced by name > within an arithmetic expression without using the parameter expansion > syntax. And according to http://www.bash2zsh.com/zsh_refcard/refcard.pdf: > `var` (does not require `$` in front unless some substitution e.g. > `${#var}` is needed, `$` is error if `var` is to be modified) Closes #292
2018-09-17 16:38:48 -04:00
# Load stored agent connection info
local ssh_env="${HOME}/.ssh-agent"
[[ -r ${ssh_env} ]] && source ${ssh_env} >/dev/null
initial commit
2015-12-15 00:12:17 -05:00
[ssh] Update init.zsh based on https://stackoverflow.com/a/48509425/2654518, which is based on http://rabexc.org/posts/pitfalls-of-ssh-agents Current code has a few issues: depends on `SSH_AUTH_SOCK` and `SSH_AGENT_PID` env variables, which might not be available in every shell session; and tries to create a new socket for agent-forwarding by checking `SSH_AUTH_SOCKET` instead of `SSH_AUTH_SOCK`. Also, it's safer to create the env file with 066 mode and in the user home directory. About not using `$` inside `(( ))`, this is what the the section ARITHMETIC EVALUATION in zshmisc(1) says: > Named parameters and subscripted arrays can be referenced by name > within an arithmetic expression without using the parameter expansion > syntax. And according to http://www.bash2zsh.com/zsh_refcard/refcard.pdf: > `var` (does not require `$` in front unless some substitution e.g. > `${#var}` is needed, `$` is error if `var` is to be modified) Closes #292
2018-09-17 16:38:48 -04:00
ssh-add -l &>/dev/null
if (( ? == 2 )); then
# Start agent and store agent connection info
(umask 066; ssh-agent >! ${ssh_env})
source ${ssh_env} >/dev/null
initial commit
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fi
fi
[ssh] Update init.zsh based on https://stackoverflow.com/a/48509425/2654518, which is based on http://rabexc.org/posts/pitfalls-of-ssh-agents Current code has a few issues: depends on `SSH_AUTH_SOCK` and `SSH_AGENT_PID` env variables, which might not be available in every shell session; and tries to create a new socket for agent-forwarding by checking `SSH_AUTH_SOCKET` instead of `SSH_AUTH_SOCK`. Also, it's safer to create the env file with 066 mode and in the user home directory. About not using `$` inside `(( ))`, this is what the the section ARITHMETIC EVALUATION in zshmisc(1) says: > Named parameters and subscripted arrays can be referenced by name > within an arithmetic expression without using the parameter expansion > syntax. And according to http://www.bash2zsh.com/zsh_refcard/refcard.pdf: > `var` (does not require `$` in front unless some substitution e.g. > `${#var}` is needed, `$` is error if `var` is to be modified) Closes #292
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# Load identities
ssh-add -l &>/dev/null
if (( ? == 1 )); then
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if (( ${#zssh_ids} > 0 )); then
ssh-add "${HOME}/.ssh/${^zssh_ids[@]}" 2> /dev/null
else
ssh-add 2> /dev/null
fi
fi
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