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Refactor SSH init code, fix directory creation for TrustedUserCAKeys file (#20299) (#20306)

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Backport #20299. Follow #20298. Only the `GlobalInitInstalled` function should prepare the SSH files for external server or starts the builtin server.
* `trustedUserCaKeys` is removed, use `SSH.TrustedUserCAKeys` directly
* introduce `ssh.Init`, move the SSH init code from `routers/init.go` to it
* `ssh.Init` will start builtin SSH server or prepare external SSH server files
This commit is contained in:
wxiaoguang 2022-07-11 23:27:51 +08:00 • committed by GitHub
parent c556a83c35
commit 54ef658861
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4 changed files with 63 additions and 29 deletions
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21
modules/setting/setting.go
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@ -843,8 +843,9 @@ func loadFromConf(allowEmpty bool, extraConfig string) {
SSH.StartBuiltinServer = false
}
trustedUserCaKeys := sec.Key("SSH_TRUSTED_USER_CA_KEYS").Strings(",")
for _, caKey := range trustedUserCaKeys {
SSH.TrustedUserCAKeysFile = sec.Key("SSH_TRUSTED_USER_CA_KEYS_FILENAME").MustString(filepath.Join(SSH.RootPath, "gitea-trusted-user-ca-keys.pem"))
for _, caKey := range SSH.TrustedUserCAKeys {
pubKey, _, _, _, err := gossh.ParseAuthorizedKey([]byte(caKey))
if err != nil {
log.Fatal("Failed to parse TrustedUserCaKeys: %s %v", caKey, err)
@ -852,7 +853,7 @@ func loadFromConf(allowEmpty bool, extraConfig string) {
SSH.TrustedUserCAKeysParsed = append(SSH.TrustedUserCAKeysParsed, pubKey)
}
if len(trustedUserCaKeys) > 0 {
if len(SSH.TrustedUserCAKeys) > 0 {
// Set the default as email,username otherwise we can leave it empty
sec.Key("SSH_AUTHORIZED_PRINCIPALS_ALLOW").MustString("username,email")
} else {
@ -861,20 +862,6 @@ func loadFromConf(allowEmpty bool, extraConfig string) {
SSH.AuthorizedPrincipalsAllow, SSH.AuthorizedPrincipalsEnabled = parseAuthorizedPrincipalsAllow(sec.Key("SSH_AUTHORIZED_PRINCIPALS_ALLOW").Strings(","))
if !SSH.Disabled && !SSH.StartBuiltinServer {
if err = os.MkdirAll(SSH.KeyTestPath, 0o644); err != nil {
log.Fatal("Failed to create '%s': %v", SSH.KeyTestPath, err)
}
if len(trustedUserCaKeys) > 0 && SSH.AuthorizedPrincipalsEnabled {
fname := sec.Key("SSH_TRUSTED_USER_CA_KEYS_FILENAME").MustString(filepath.Join(SSH.RootPath, "gitea-trusted-user-ca-keys.pem"))
if err := os.WriteFile(fname,
[]byte(strings.Join(trustedUserCaKeys, "\n")), 0o600); err != nil {
log.Fatal("Failed to create '%s': %v", fname, err)
}
}
}
SSH.MinimumKeySizeCheck = sec.Key("MINIMUM_KEY_SIZE_CHECK").MustBool(SSH.MinimumKeySizeCheck)
minimumKeySizes := Cfg.Section("ssh.minimum_key_sizes").Keys()
for _, key := range minimumKeySizes {