mattermost-community-enterp.../vendor/github.com/go-asn1-ber/asn1-ber/header.go
Claude ec1f89217a Merge: Complete Mattermost Server with Community Enterprise
Full Mattermost server source with integrated Community Enterprise features.
Includes vendor directory for offline/air-gapped builds.

Structure:
- enterprise-impl/: Enterprise feature implementations
- enterprise-community/: Init files that register implementations
- enterprise/: Bridge imports (community_imports.go)
- vendor/: All dependencies for offline builds

Build (online):
  go build ./cmd/mattermost

Build (offline/air-gapped):
  go build -mod=vendor ./cmd/mattermost

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-17 23:59:07 +09:00

39 lines
793 B
Go

package ber
import (
"errors"
"fmt"
"io"
)
func readHeader(reader io.Reader) (identifier Identifier, length int, read int, err error) {
var (
c, l int
i Identifier
)
if i, c, err = readIdentifier(reader); err != nil {
return Identifier{}, 0, read, err
}
identifier = i
read += c
if l, c, err = readLength(reader); err != nil {
return Identifier{}, 0, read, err
}
length = l
read += c
// Validate length type with identifier (x.600, 8.1.3.2.a)
if length == LengthIndefinite && identifier.TagType == TypePrimitive {
return Identifier{}, 0, read, errors.New("indefinite length used with primitive type")
}
if length < LengthIndefinite {
err = fmt.Errorf("length cannot be less than %d", LengthIndefinite)
return
}
return identifier, length, read, nil
}