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authorJohannes Löthberg <johannes@kyriasis.com>2015-06-23 14:18:12 +0200
committerLukas Fleischer <lfleischer@archlinux.org>2015-06-27 13:04:03 +0200
commite9485531be24b090162ec317bd3a3de3ec9a3d82 (patch)
tree4f97fbd36f78dc3239a4b1e876992ffbe390d36e /git-interface
parentae2907a57ec50bba2c74d4ce1d137fe822fddf3b (diff)
downloadaur-e9485531be24b090162ec317bd3a3de3ec9a3d82.tar.gz
aur-e9485531be24b090162ec317bd3a3de3ec9a3d82.tar.xz
git: Use AUR_USER env var instead of ForceCommand argument
Also add an utility function for formatting the ForceCommand, using shlex.quote to quote the value. Signed-off-by: Johannes Löthberg <johannes@kyriasis.com> Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>
Diffstat (limited to 'git-interface')
-rwxr-xr-xgit-interface/git-auth.py25
-rwxr-xr-xgit-interface/git-serve.py2
2 files changed, 24 insertions, 3 deletions
diff --git a/git-interface/git-auth.py b/git-interface/git-auth.py
index c9e1f015..be7d4f14 100755
--- a/git-interface/git-auth.py
+++ b/git-interface/git-auth.py
@@ -2,10 +2,27 @@
import configparser
import mysql.connector
+import shlex
import os
import re
import sys
+
+def format_command(env_vars, command, ssh_opts, ssh_key):
+ environment = ''
+ for key, var in env_vars.items():
+ environment += '{}={} '.format(key, shlex.quote(var))
+
+ command = shlex.quote(command)
+ command = '{}{}'.format(environment, command)
+
+ # The command is being substituted into an authorized_keys line below,
+ # so we need to escape the double quotes.
+ command = command.replace('"', '\\"')
+ msg = 'command="{}",{} {}'.format(command, ssh_opts, ssh_key)
+ return msg
+
+
config = configparser.RawConfigParser()
config.read(os.path.dirname(os.path.realpath(__file__)) + "/../conf/config")
@@ -40,5 +57,9 @@ user = cur.fetchone()[0]
if not re.match(username_regex, user):
exit(1)
-print('command="%s %s",%s %s' % (git_serve_cmd, user, ssh_opts,
- keytype + " " + keytext))
+env_vars = {
+ 'AUR_USER': user,
+}
+key = keytype + ' ' + keytext
+
+print(format_command(env_vars, git_serve_cmd, ssh_opts, key))
diff --git a/git-interface/git-serve.py b/git-interface/git-serve.py
index 02086e0d..9c9bddd5 100755
--- a/git-interface/git-serve.py
+++ b/git-interface/git-serve.py
@@ -106,7 +106,7 @@ def die(msg):
def die_with_help(msg):
die(msg + "\nTry `{:s} help` for a list of commands.".format(ssh_cmdline))
-user = sys.argv[1]
+user = os.environ.get("AUR_USER")
cmd = os.environ.get("SSH_ORIGINAL_COMMAND")
if not cmd:
die_with_help("Interactive shell is disabled.")