{"record":{"id":"155d78064da5245c","repo":"openai/codex-plugin-cc","slug":"codex-can-import-claude-sessions-only-from-claud","errorCode":null,"errorMessage":"Codex can import Claude sessions only from ${CLAUDE_PROJECTS_DIR}: ${source}","messagePattern":"Codex can import Claude sessions only from (.+?): (.+?)","errorType":"validation","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"plugins/codex/scripts/lib/claude-session-transfer.mjs","lineNumber":41,"sourceCode":"    throw new Error(\"Could not identify the current Claude transcript. Retry with --source <path-to-claude-jsonl>.\");\n  }\n\n  const sourcePath = resolveUserPath(cwd, requestedPath);\n  if (path.extname(sourcePath) !== \".jsonl\") {\n    throw new Error(`Claude session source must be a JSONL file: ${sourcePath}`);\n  }\n\n  let source;\n  let projects;\n  try {\n    source = fs.realpathSync(sourcePath);\n    projects = fs.realpathSync(CLAUDE_PROJECTS_DIR);\n  } catch {\n    throw new Error(`Claude session file not found: ${sourcePath}`);\n  }\n  const relative = path.relative(projects, source);\n  if (relative === \"\" || relative === \"..\" || relative.startsWith(`..${path.sep}`) || path.isAbsolute(relative)) {\n    throw new Error(`Codex can import Claude sessions only from ${CLAUDE_PROJECTS_DIR}: ${source}`);\n  }\n  return source;\n}\n","sourceCodeStart":23,"sourceCodeEnd":45,"githubUrl":"https://github.com/openai/codex-plugin-cc/blob/db52e28f4d9ded852ab3942cea316258ae4ef346/plugins/codex/scripts/lib/claude-session-transfer.mjs#L23-L45","documentation":"Thrown by resolveClaudeSessionPath as a path-traversal / sandbox guard. After realpathSync resolves both the source and ~/.claude/projects, it computes path.relative(projects, source); if the result is '', '..', starts with '..'+sep, or is absolute, the source lies outside the allowed projects directory and is rejected. Only transcripts physically under ~/.claude/projects may be imported.","triggerScenarios":"Passing a source that resolves (via symlink or absolute path) outside ~/.claude/projects, e.g. /tmp/session.jsonl, /etc/something, or a symlink under projects that points elsewhere. The relative computation escapes the projects root.","commonSituations":"User copies a transcript to /tmp for convenience and points --source there. A symlinked transcript whose realpath target is outside projects. Attempting to import from a custom backup directory. The encoded projects subdir name does not match, so the relative path begins with '..'.","solutions":["Place (or symlink) the transcript physically inside ~/.claude/projects/<encoded-cwd>/ and pass that path.","If you have a transcript elsewhere, copy it into the projects dir rather than referencing an external location.","Resolve symlinks yourself and confirm path.relative(os.homedir()+'/.claude/projects', realpath) does not start with '..'.","Ensure the encoded project directory name matches Claude's convention (cwd path with separators replaced)."],"exampleFix":"// before\nresolveClaudeSessionPath(cwd, { source: '/tmp/exported-session.jsonl' }) // throws (outside projects)\n\n// after\n// copy into the allowed projects dir:\n//   cp /tmp/exported-session.jsonl ~/.claude/projects/-tmp-myapp/session.jsonl\nresolveClaudeSessionPath(cwd, { source: '~/.claude/projects/-tmp-myapp/session.jsonl' })","handlingStrategy":"validation","validationCode":"import fs from 'node:fs';\nimport path from 'node:path';\nimport os from 'node:os';\n\nfunction assertInsideProjects(p) {\n  const projects = fs.realpathSync(path.join(os.homedir(), '.claude', 'projects'));\n  const real = fs.realpathSync(p);\n  const rel = path.relative(projects, real);\n  if (rel === '' || rel === '..' || rel.startsWith(`..${path.sep}`) || path.isAbsolute(rel)) {\n    throw new Error(`Transcript must live under ${projects}`);\n  }\n}","typeGuard":"null","tryCatchPattern":"null","preventionTips":["Only import transcripts physically located under ~/.claude/projects.","Copy external transcripts into the projects dir rather than referencing them in place.","Beware symlinks whose realpath escapes the projects root.","Match the encoded project subdir naming Claude uses."],"tags":["claude-transfer","security","path-traversal","filesystem"],"backgroundTag":null,"analyzedSha":"db52e28f4d9ded852ab3942cea316258ae4ef346","analyzedAt":"2026-08-13T05:13:20.855Z","schemaVersion":2},"datasetVersion":"2026-08-13T09:17:06.757Z"}