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Feature/computer fingerprint #48

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Feature/computer fingerprint #48

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babeff8
Extract ssh public key from ~/.android/adbkey.pub
parmegv Feb 16, 2016
733f3ae
Compute adb's public key fingerprint.
parmegv Feb 16, 2016
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31 changes: 31 additions & 0 deletions android-mode.el
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,10 @@ available."
:type 'string
:group 'android-mode)

(defcustom android-public-key-file "~/.android/adbkey.pub"
:type 'string
:group 'android-mode)

(defcustom android-mode-sdk-tool-subdirs '("tools" "platform-tools")
"List of subdirectors in the SDK containing commandline tools."
:type '(repeat string)
Expand Down Expand Up @@ -590,6 +594,33 @@ logs"
('gradle 'android-gradle-uninstallDebug)
('maven 'android-maven-android-undeploy))))

(defun extract-ssh-public-key (list)
"Extract SSH public key. The base64 body must be at least 700 characters wide (the Android's default length on February 16, 2016). See https://www.ietf.org/rfc/rfc4716.txt for more info about the format"
(let ((minimum-body-length 700))
(if (< (length (car list)) minimum-body-length)
(extract-ssh-public-key (cdr list))
(car list)
)
)
)

(defun android-adb-public-key ()
"Extract adb's public key."
(with-temp-buffer
(insert-file-contents public-key-file)
(extract-ssh-public-key (split-string (buffer-string)))
)
)

(defun android-adb-fingerprint ()
"Compute the adb's public key fingerprint. To match the fingerprint shown in the debugging device the first time it receives a connection from a PC."
(interactive)
(let ((public-key (android-adb-public-key)))
(message (upcase
(md5 (base64-decode-string public-key)))
))
)

(defconst android-mode-keys
'(("d" . android-start-ddms)
("e" . android-start-emulator)
Expand Down