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Reallow direct source package installation using 'bpm install'

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This commit is contained in:
EnumDev
2025-04-25 14:13:12 +03:00
parent d8146cb3f3
commit 9cdb3d29aa
5 changed files with 143 additions and 20 deletions
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src/bpmlib/compilation.go
+74 -6
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@@ -9,8 +9,12 @@ import (
"path"
"strconv"
"strings"
"syscall"
)
var rootCompilationUID = "65534"
var rootCompilationGID = "65534"
func CompileSourcePackage(archiveFilename, outputFilename string, skipChecks bool) (err error) {
// Read BPM archive
bpmpkg, err := ReadPackage(archiveFilename)
@@ -35,6 +39,24 @@ func CompileSourcePackage(archiveFilename, outputFilename string, skipChecks boo
return err
}
// Get UID and GID to use for compilation
var uid, gid int
if os.Getuid() == 0 {
_uid, err := strconv.ParseInt(rootCompilationUID, 10, 32)
if err != nil {
return fmt.Errorf("could not convert UID '%s' to int", rootCompilationUID)
}
_gid, err := strconv.ParseInt(rootCompilationGID, 10, 32)
if err != nil {
return fmt.Errorf("could not convert GID '%s' to int", rootCompilationGID)
}
uid = int(_uid)
gid = int(_gid)
} else {
uid = os.Getuid()
gid = os.Getgid()
}
tempDirectory := path.Join(homeDir, ".cache/bpm/compilation/", bpmpkg.PkgInfo.Name)
// Ensure temporary directory does not exist
@@ -51,8 +73,14 @@ func CompileSourcePackage(archiveFilename, outputFilename string, skipChecks boo
return err
}
// Change temporary directory owner
err = os.Chown(tempDirectory, uid, gid)
if err != nil {
return err
}
// Extract source.sh file
err = extractTarballFile(archiveFilename, "source.sh", tempDirectory)
err = extractTarballFile(archiveFilename, "source.sh", tempDirectory, uid, gid)
if err != nil {
return err
}
@@ -60,14 +88,14 @@ func CompileSourcePackage(archiveFilename, outputFilename string, skipChecks boo
// Get package scripts and extract them
packageScripts := getPackageScripts(archiveFilename)
for _, script := range packageScripts {
err = extractTarballFile(archiveFilename, script, tempDirectory)
err = extractTarballFile(archiveFilename, script, tempDirectory, uid, gid)
if err != nil {
return err
}
}
// Extract source files
err = extractTarballDirectory(archiveFilename, "source-files", tempDirectory)
err = extractTarballDirectory(archiveFilename, "source-files", tempDirectory, uid, gid)
if err != nil {
return err
}
@@ -78,6 +106,12 @@ func CompileSourcePackage(archiveFilename, outputFilename string, skipChecks boo
return err
}
// Change source directory owner
err = os.Chown(path.Join(tempDirectory, "source"), uid, gid)
if err != nil {
return err
}
// Setup environment for commands
env := os.Environ()
env = append(env, "HOME="+tempDirectory)
@@ -107,6 +141,8 @@ func CompileSourcePackage(archiveFilename, outputFilename string, skipChecks boo
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Env = env
cmd.SysProcAttr = &syscall.SysProcAttr{}
cmd.SysProcAttr.Credential = &syscall.Credential{Uid: uint32(uid), Gid: uint32(gid)}
err = cmd.Run()
if err != nil {
return err
@@ -124,13 +160,15 @@ func CompileSourcePackage(archiveFilename, outputFilename string, skipChecks boo
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Env = env
cmd.SysProcAttr = &syscall.SysProcAttr{}
cmd.SysProcAttr.Credential = &syscall.Credential{Uid: uint32(uid), Gid: uint32(gid)}
err = cmd.Run()
if err != nil {
return err
}
}
// Remove 'output' directory if it already exists
// Remove output directory if it already exists
if _, err := os.Stat(path.Join(tempDirectory, "output")); err == nil {
err := os.RemoveAll(path.Join(tempDirectory, "output"))
if err != nil {
@@ -138,12 +176,18 @@ func CompileSourcePackage(archiveFilename, outputFilename string, skipChecks boo
}
}
// Create new 'output' directory
// Create new output directory
err = os.Mkdir(path.Join(tempDirectory, "output"), 0755)
if err != nil {
return err
}
// Change output directory owner
err = os.Chown(path.Join(tempDirectory, "output"), uid, gid)
if err != nil {
return err
}
// Execute package function in source.sh script and generate package file list
cmd = exec.Command("bash", "-c",
"set -a\n"+ // Source and export functions and variables in source.sh script
@@ -156,6 +200,8 @@ func CompileSourcePackage(archiveFilename, outputFilename string, skipChecks boo
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Env = env
cmd.SysProcAttr = &syscall.SysProcAttr{}
cmd.SysProcAttr.Credential = &syscall.Credential{Uid: uint32(uid), Gid: uint32(gid)}
err = cmd.Run()
if err != nil {
return err
@@ -167,6 +213,8 @@ func CompileSourcePackage(archiveFilename, outputFilename string, skipChecks boo
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Env = env
cmd.SysProcAttr = &syscall.SysProcAttr{}
cmd.SysProcAttr.Credential = &syscall.Credential{Uid: uint32(uid), Gid: uint32(gid)}
err = cmd.Run()
if err != nil {
return fmt.Errorf("files.tar.gz archive could not be created: %s", err)
@@ -198,13 +246,19 @@ func CompileSourcePackage(archiveFilename, outputFilename string, skipChecks boo
return err
}
// Change pkg.info file owner
err = os.Chown(path.Join(tempDirectory, "pkg.info"), uid, gid)
if err != nil {
return err
}
// Get files to include in BPM archive
bpmArchiveFiles := make([]string, 0)
bpmArchiveFiles = append(bpmArchiveFiles, "pkg.info", "pkg.files", "files.tar.gz") // Base files
bpmArchiveFiles = append(bpmArchiveFiles, packageScripts...) // Package scripts
// Create final BPM archive
cmd = exec.Command("bash", "-c", "tar -cf "+outputFilename+" --owner=0 --group=0 -C \"$BPM_WORKDIR\" "+strings.Join(bpmArchiveFiles, " "))
cmd = exec.Command("bash", "-c", "tar -cf final-archive.bpm --owner=0 --group=0 -C \"$BPM_WORKDIR\" "+strings.Join(bpmArchiveFiles, " "))
cmd.Dir = tempDirectory
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
@@ -213,11 +267,25 @@ func CompileSourcePackage(archiveFilename, outputFilename string, skipChecks boo
return err
}
cmd.Env = append(env, "CURRENT_DIR="+currentDir)
cmd.SysProcAttr = &syscall.SysProcAttr{}
cmd.SysProcAttr.Credential = &syscall.Credential{Uid: uint32(uid), Gid: uint32(gid)}
err = cmd.Run()
if err != nil {
return fmt.Errorf("BPM archive could not be created: %s", err)
}
// Move final BPM archive
err = os.Rename(path.Join(tempDirectory, "final-archive.bpm"), outputFilename)
if err != nil {
return err
}
// Set final BPM archive owner
err = os.Chown(outputFilename, os.Getuid(), os.Getgid())
if err != nil {
return err
}
return nil
}