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Diffstat (limited to 'internal/ssh/server/publickeycallback.go')
-rw-r--r--internal/ssh/server/publickeycallback.go38
1 files changed, 23 insertions, 15 deletions
diff --git a/internal/ssh/server/publickeycallback.go b/internal/ssh/server/publickeycallback.go
index e81f019..ebc428a 100644
--- a/internal/ssh/server/publickeycallback.go
+++ b/internal/ssh/server/publickeycallback.go
@@ -7,28 +7,34 @@ import (
osUser "os/user"
"github.com/mimecast/dtail/internal/config"
- "github.com/mimecast/dtail/internal/io/logger"
+ "github.com/mimecast/dtail/internal/io/dlog"
user "github.com/mimecast/dtail/internal/user/server"
gossh "golang.org/x/crypto/ssh"
)
-// PublicKeyCallback is for the server to check whether a public SSH key is authorized ot not.
-func PublicKeyCallback(c gossh.ConnMetadata, offeredPubKey gossh.PublicKey) (*gossh.Permissions, error) {
- user := user.New(c.User(), c.RemoteAddr().String())
- logger.Info(user, "Incoming authorization")
+// PublicKeyCallback is for the server to check whether a public SSH key is
+// authorized ot not.
+func PublicKeyCallback(c gossh.ConnMetadata,
+ offeredPubKey gossh.PublicKey) (*gossh.Permissions, error) {
+ user, err := user.New(c.User(), c.RemoteAddr().String())
+ if err != nil {
+ return nil, err
+ }
+
+ dlog.Common.Info(user, "Incoming authorization")
cwd, err := os.Getwd()
if err != nil {
return nil, fmt.Errorf("Unable to get current working directory|%s|", err.Error())
}
-
if config.ServerRelaxedAuthEnable {
- logger.Fatal(user, "Granting permissions via relaxed-auth")
+ dlog.Common.Fatal(user, "Granting permissions via relaxed-auth")
return nil, nil
}
- authorizedKeysFile := fmt.Sprintf("%s/%s/%s.authorized_keys", cwd, config.Common.CacheDir, user.Name)
+ authorizedKeysFile := fmt.Sprintf("%s/%s/%s.authorized_keys", cwd,
+ config.Common.CacheDir, user.Name)
if _, err := os.Stat(authorizedKeysFile); os.IsNotExist(err) {
user, err := osUser.Lookup(user.Name)
if err != nil {
@@ -38,26 +44,28 @@ func PublicKeyCallback(c gossh.ConnMetadata, offeredPubKey gossh.PublicKey) (*go
authorizedKeysFile = user.HomeDir + "/.ssh/authorized_keys"
}
- logger.Info(user, "Reading", authorizedKeysFile)
+ dlog.Common.Info(user, "Reading", authorizedKeysFile)
authorizedKeysBytes, err := ioutil.ReadFile(authorizedKeysFile)
if err != nil {
- return nil, fmt.Errorf("Unable to read authorized keys file|%s|%s|%s", authorizedKeysFile, user, err.Error())
+ return nil, fmt.Errorf("Unable to read authorized keys file|%s|%s|%s",
+ authorizedKeysFile, user, err.Error())
}
authorizedKeysMap := map[string]bool{}
for len(authorizedKeysBytes) > 0 {
authorizedPubKey, _, _, restBytes, err := gossh.ParseAuthorizedKey(authorizedKeysBytes)
if err != nil {
- return nil, fmt.Errorf("Unable to parse authorized keys bytes|%s|%s", user, err.Error())
+ return nil, fmt.Errorf("Unable to parse authorized keys bytes|%s|%s",
+ user, err.Error())
}
authorizedKeysMap[string(authorizedPubKey.Marshal())] = true
authorizedKeysBytes = restBytes
-
- logger.Debug(user, "Authorized public key fingerprint", gossh.FingerprintSHA256(authorizedPubKey))
+ dlog.Common.Debug(user, "Authorized public key fingerprint",
+ gossh.FingerprintSHA256(authorizedPubKey))
}
- logger.Debug(user, "Offered public key fingerprint", gossh.FingerprintSHA256(offeredPubKey))
-
+ dlog.Common.Debug(user, "Offered public key fingerprint",
+ gossh.FingerprintSHA256(offeredPubKey))
if authorizedKeysMap[string(offeredPubKey.Marshal())] {
return &gossh.Permissions{
Extensions: map[string]string{