Add support for ssh_config for connection

go.mod

@@ -40,6 +40,7 @@ require (
 	github.com/hashicorp/go-multierror v1.1.1
 	github.com/hugelgupf/p9 v0.3.1-0.20230822151754-54f5c5530921
 	github.com/json-iterator/go v1.1.12
+	github.com/kevinburke/ssh_config v1.2.0
 	github.com/linuxkit/virtsock v0.0.0-20220523201153-1a23e78aa7a2
 	github.com/mattn/go-shellwords v1.0.12
 	github.com/mattn/go-sqlite3 v1.14.18

go.sum

@@ -693,6 +693,8 @@ github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfV
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
 github.com/karrick/godirwalk v1.8.0/go.mod h1:H5KPZjojv4lE+QYImBI8xVtrBRgYrIVsaRPx4tDPEn4=
 github.com/karrick/godirwalk v1.10.3/go.mod h1:RoGL9dQei4vP9ilrpETWE8CLOZ1kiN0LhBygSwrAsHA=
+github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4=
+github.com/kevinburke/ssh_config v1.2.0/go.mod h1:CT57kijsi8u/K/BOFA39wgDQJ9CxiF4nAY/ojJ6r6mM=
 github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
 github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=

pkg/bindings/connection.go

@@ -16,6 +16,7 @@ import (
 	"github.com/blang/semver/v4"
 	"github.com/containers/common/pkg/ssh"
 	"github.com/containers/podman/v4/version"
+	"github.com/kevinburke/ssh_config"
 	"github.com/sirupsen/logrus"
 	"golang.org/x/net/proxy"
 )
@@ -115,6 +116,31 @@ func NewConnectionWithIdentity(ctx context.Context, uri string, identity string,
 				return nil, err
 			}
 		}
+		// ssh_config
+		alias := _url.Hostname()
+		logrus.Debugf("Alias: %s", alias)
+		cfg := ssh_config.DefaultUserSettings
+		if val := cfg.Get(alias, "User"); val != "" {
+			_url.User = url.User(val)
+			logrus.Debugf("User: %s", val)
+		}
+		if val := cfg.Get(alias, "Hostname"); val != "" {
+			uri = val
+			logrus.Debugf("Hostname: %s", val)
+		}
+		if val := cfg.Get(alias, "Port"); val != "" {
+			port, err = strconv.Atoi(val)
+			if err != nil {
+				return nil, err
+			}
+			logrus.Debugf("Port: %s", val)
+		}
+		if val := cfg.Get(alias, "IdentityFile"); val != "" {
+			if val != ssh_config.Default("IdentityFile") {
+				identity = strings.Trim(val, "\"")
+				logrus.Debugf("Identity: %s", val)
+			}
+		}
 		conn, err := ssh.Dial(&ssh.ConnectionDialOptions{
 			Host:                        uri,
 			Identity:                    identity,

vendor/modules.txt

@@ -709,6 +709,9 @@ github.com/josharian/intern
 # github.com/json-iterator/go v1.1.12
 ## explicit; go 1.12
 github.com/json-iterator/go
+# github.com/kevinburke/ssh_config v1.2.0
+## explicit
+github.com/kevinburke/ssh_config
 # github.com/klauspost/compress v1.17.3
 ## explicit; go 1.19
 github.com/klauspost/compress