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service_principals.go
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service_principals.go
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// Copyright (C) 2022 Specter Ops, Inc.
//
// This file is part of AzureHound.
//
// AzureHound is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// AzureHound is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package client
import (
"context"
"fmt"
"net/url"
"strings"
"github.com/bloodhoundad/azurehound/client/query"
"github.com/bloodhoundad/azurehound/client/rest"
"github.com/bloodhoundad/azurehound/constants"
"github.com/bloodhoundad/azurehound/models/azure"
)
func (s *azureClient) GetAzureADServicePrincipal(ctx context.Context, objectId string, selectCols []string) (*azure.ServicePrincipal, error) {
var (
path = fmt.Sprintf("/%s/servicePrincipals/%s", constants.GraphApiVersion, objectId)
params = query.Params{Select: selectCols}.AsMap()
response azure.ServicePrincipalList
)
if res, err := s.msgraph.Get(ctx, path, params, nil); err != nil {
return nil, err
} else if err := rest.Decode(res.Body, &response); err != nil {
return nil, err
} else {
return &response.Value[0], nil
}
}
func (s *azureClient) GetAzureADServicePrincipalOwners(ctx context.Context, objectId string, filter string, search string, orderBy string, selectCols []string, top int32, count bool) (azure.DirectoryObjectList, error) {
var (
path = fmt.Sprintf("/%s/servicePrincipals/%s/owners", constants.GraphApiBetaVersion, objectId)
params = query.Params{Filter: filter, Search: search, OrderBy: orderBy, Select: selectCols, Top: top, Count: count}.AsMap()
response azure.DirectoryObjectList
)
if res, err := s.msgraph.Get(ctx, path, params, nil); err != nil {
return response, err
} else if err := rest.Decode(res.Body, &response); err != nil {
return response, err
} else {
return response, nil
}
}
func (s *azureClient) GetAzureADServicePrincipals(ctx context.Context, filter, search, orderBy, expand string, selectCols []string, top int32, count bool) (azure.ServicePrincipalList, error) {
var (
path = fmt.Sprintf("/%s/servicePrincipals", constants.GraphApiVersion)
params = query.Params{Filter: filter, Search: search, OrderBy: orderBy, Select: selectCols, Top: top, Count: count, Expand: expand}
headers map[string]string
response azure.ServicePrincipalList
)
count = count || search != "" || (filter != "" && orderBy != "") || strings.Contains(filter, "endsWith")
if count {
headers = make(map[string]string)
headers["ConsistencyLevel"] = "eventual"
}
if res, err := s.msgraph.Get(ctx, path, params.AsMap(), headers); err != nil {
return response, err
} else if err := rest.Decode(res.Body, &response); err != nil {
return response, err
} else {
return response, nil
}
}
func (s *azureClient) ListAzureADServicePrincipals(ctx context.Context, filter, search, orderBy, expand string, selectCols []string) <-chan azure.ServicePrincipalResult {
out := make(chan azure.ServicePrincipalResult)
go func() {
defer close(out)
var (
errResult = azure.ServicePrincipalResult{}
nextLink string
)
if list, err := s.GetAzureADServicePrincipals(ctx, filter, search, orderBy, expand, selectCols, 999, false); err != nil {
errResult.Error = err
out <- errResult
} else {
for _, u := range list.Value {
out <- azure.ServicePrincipalResult{Ok: u}
}
nextLink = list.NextLink
for nextLink != "" {
var list azure.ServicePrincipalList
if url, err := url.Parse(nextLink); err != nil {
errResult.Error = err
out <- errResult
nextLink = ""
} else if req, err := rest.NewRequest(ctx, "GET", url, nil, nil, nil); err != nil {
errResult.Error = err
out <- errResult
nextLink = ""
} else if res, err := s.msgraph.Send(req); err != nil {
errResult.Error = err
out <- errResult
nextLink = ""
} else if err := rest.Decode(res.Body, &list); err != nil {
errResult.Error = err
out <- errResult
nextLink = ""
} else {
for _, u := range list.Value {
out <- azure.ServicePrincipalResult{Ok: u}
}
nextLink = list.NextLink
}
}
}
}()
return out
}
func (s *azureClient) ListAzureADServicePrincipalOwners(ctx context.Context, objectId string, filter, search, orderBy string, selectCols []string) <-chan azure.ServicePrincipalOwnerResult {
out := make(chan azure.ServicePrincipalOwnerResult)
go func() {
defer close(out)
var (
errResult = azure.ServicePrincipalOwnerResult{
ServicePrincipalId: objectId,
}
nextLink string
)
if list, err := s.GetAzureADServicePrincipalOwners(ctx, objectId, filter, search, orderBy, selectCols, 999, false); err != nil {
errResult.Error = err
out <- errResult
} else {
for _, u := range list.Value {
out <- azure.ServicePrincipalOwnerResult{
ServicePrincipalId: objectId,
Ok: u,
}
}
nextLink = list.NextLink
for nextLink != "" {
var list azure.DirectoryObjectList
if url, err := url.Parse(nextLink); err != nil {
errResult.Error = err
out <- errResult
nextLink = ""
} else if req, err := rest.NewRequest(ctx, "GET", url, nil, nil, nil); err != nil {
errResult.Error = err
out <- errResult
nextLink = ""
} else if res, err := s.msgraph.Send(req); err != nil {
errResult.Error = err
out <- errResult
nextLink = ""
} else if err := rest.Decode(res.Body, &list); err != nil {
errResult.Error = err
out <- errResult
nextLink = ""
} else {
for _, u := range list.Value {
out <- azure.ServicePrincipalOwnerResult{
ServicePrincipalId: objectId,
Ok: u,
}
}
nextLink = list.NextLink
}
}
}
}()
return out
}