github.com/inspektor-gadget/inspektor-gadget@v0.28.1/pkg/oci/fix_owner_linux.go (about)

     1  // Copyright 2023 The Inspektor Gadget authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build linux
    16  
    17  package oci
    18  
    19  import (
    20  	"os"
    21  	"syscall"
    22  )
    23  
    24  func fixOwner(targetFile, modelFile string) error {
    25  	info, err := os.Stat(modelFile)
    26  	if err != nil {
    27  		return err
    28  	}
    29  	if stat, ok := info.Sys().(*syscall.Stat_t); ok {
    30  		err := os.Chown(targetFile, int(stat.Uid), int(stat.Gid))
    31  		if err != nil {
    32  			return err
    33  		}
    34  	}
    35  
    36  	return nil
    37  }
    38  
    39  func fixGeneratedFilesOwner(opts *BuildGadgetImageOpts) error {
    40  	info, err := os.Stat(opts.EBPFSourcePath)
    41  	if err != nil {
    42  		return err
    43  	}
    44  	stat, ok := info.Sys().(*syscall.Stat_t)
    45  	if !ok {
    46  		return nil
    47  	}
    48  
    49  	allPaths := []string{}
    50  
    51  	for _, paths := range opts.ObjectPaths {
    52  		allPaths = append(allPaths, paths.EBPF, paths.Wasm, paths.Btfgen)
    53  	}
    54  
    55  	for _, path := range allPaths {
    56  		if path == "" {
    57  			continue
    58  		}
    59  		err := os.Chown(path, int(stat.Uid), int(stat.Gid))
    60  		if err != nil {
    61  			return err
    62  		}
    63  	}
    64  
    65  	return nil
    66  }