diff options
Diffstat (limited to 'src/libs/3rdparty/botan/src/lib/asn1/asn1_print.cpp')
| -rw-r--r-- | src/libs/3rdparty/botan/src/lib/asn1/asn1_print.cpp | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/src/libs/3rdparty/botan/src/lib/asn1/asn1_print.cpp b/src/libs/3rdparty/botan/src/lib/asn1/asn1_print.cpp deleted file mode 100644 index 5c05d6589a..0000000000 --- a/src/libs/3rdparty/botan/src/lib/asn1/asn1_print.cpp +++ /dev/null @@ -1,329 +0,0 @@ -/* -* (C) 2014,2015,2017 Jack Lloyd -* -* Botan is released under the Simplified BSD License (see license.txt) -*/ - -#include <botan/asn1_print.h> -#include <botan/bigint.h> -#include <botan/hex.h> -#include <botan/der_enc.h> -#include <botan/ber_dec.h> -#include <botan/asn1_time.h> -#include <botan/asn1_str.h> -#include <botan/oids.h> -#include <iomanip> -#include <sstream> -#include <cctype> - -namespace Botan { - -namespace { - -bool all_printable_chars(const uint8_t bits[], size_t bits_len) - { - for(size_t i = 0; i != bits_len; ++i) - { - int c = bits[i]; - if(c > 127) - return false; - - if((std::isalnum(c) || c == '.' || c == ':' || c == '/' || c == '-') == false) - return false; - } - return true; - } - -/* -* Special hack to handle GeneralName [2] and [6] (DNS name and URI) -*/ -bool possibly_a_general_name(const uint8_t bits[], size_t bits_len) - { - if(bits_len <= 2) - return false; - - if(bits[0] != 0x82 && bits[0] != 0x86) - return false; - - if(bits[1] != bits_len - 2) - return false; - - if(all_printable_chars(bits + 2, bits_len - 2) == false) - return false; - - return true; - } - -} - -std::string ASN1_Formatter::print(const uint8_t in[], size_t len) const - { - std::ostringstream output; - print_to_stream(output, in, len); - return output.str(); - } - -void ASN1_Formatter::print_to_stream(std::ostream& output, - const uint8_t in[], - size_t len) const - { - BER_Decoder dec(in, len); - decode(output, dec, 0); - } - -void ASN1_Formatter::decode(std::ostream& output, - BER_Decoder& decoder, - size_t level) const - { - BER_Object obj = decoder.get_next_object(); - - const bool recurse_deeper = (m_max_depth == 0 || level < m_max_depth); - - while(obj.is_set()) - { - const ASN1_Tag type_tag = obj.type(); - const ASN1_Tag class_tag = obj.get_class(); - const size_t length = obj.length(); - - /* hack to insert the tag+length back in front of the stuff now - that we've gotten the type info */ - std::vector<uint8_t> bits; - DER_Encoder(bits).add_object(type_tag, class_tag, obj.bits(), obj.length()); - - BER_Decoder data(bits); - - if(class_tag & CONSTRUCTED) - { - BER_Decoder cons_info(obj.bits(), obj.length()); - - if(recurse_deeper) - { - output << format(type_tag, class_tag, level, length, ""); - decode(output, cons_info, level + 1); // recurse - } - else - { - output << format(type_tag, class_tag, level, length, - format_bin(type_tag, class_tag, bits)); - } - } - else if((class_tag & APPLICATION) || (class_tag & CONTEXT_SPECIFIC)) - { - bool success_parsing_cs = false; - - if(m_print_context_specific) - { - try - { - if(possibly_a_general_name(bits.data(), bits.size())) - { - output << format(type_tag, class_tag, level, level, - std::string(cast_uint8_ptr_to_char(&bits[2]), bits.size() - 2)); - success_parsing_cs = true; - } - else if(recurse_deeper) - { - std::vector<uint8_t> inner_bits; - data.decode(inner_bits, type_tag); - - BER_Decoder inner(inner_bits); - std::ostringstream inner_data; - decode(inner_data, inner, level + 1); // recurse - output << inner_data.str(); - success_parsing_cs = true; - } - } - catch(...) - { - } - } - - if(success_parsing_cs == false) - { - output << format(type_tag, class_tag, level, length, - format_bin(type_tag, class_tag, bits)); - } - } - else if(type_tag == OBJECT_ID) - { - OID oid; - data.decode(oid); - - std::string out = OIDS::lookup(oid); - if(out.empty()) - { - out = oid.as_string(); - } - else - { - out += " [" + oid.as_string() + "]"; - } - - output << format(type_tag, class_tag, level, length, out); - } - else if(type_tag == INTEGER || type_tag == ENUMERATED) - { - BigInt number; - - if(type_tag == INTEGER) - { - data.decode(number); - } - else if(type_tag == ENUMERATED) - { - data.decode(number, ENUMERATED, class_tag); - } - - std::vector<uint8_t> rep = BigInt::encode(number); - if(rep.empty()) // if zero - rep.resize(1); - - output << format(type_tag, class_tag, level, length, hex_encode(rep)); - } - else if(type_tag == BOOLEAN) - { - bool boolean; - data.decode(boolean); - output << format(type_tag, class_tag, level, length, (boolean ? "true" : "false")); - } - else if(type_tag == NULL_TAG) - { - output << format(type_tag, class_tag, level, length, ""); - } - else if(type_tag == OCTET_STRING || type_tag == BIT_STRING) - { - std::vector<uint8_t> decoded_bits; - data.decode(decoded_bits, type_tag); - bool printing_octet_string_worked = false; - - if(recurse_deeper) - { - try - { - BER_Decoder inner(decoded_bits); - - std::ostringstream inner_data; - decode(inner_data, inner, level + 1); // recurse - - output << format(type_tag, class_tag, level, length, ""); - output << inner_data.str(); - printing_octet_string_worked = true; - } - catch(...) - { - } - } - - if(!printing_octet_string_worked) - { - output << format(type_tag, class_tag, level, length, - format_bin(type_tag, class_tag, decoded_bits)); - } - } - else if(ASN1_String::is_string_type(type_tag)) - { - ASN1_String str; - data.decode(str); - output << format(type_tag, class_tag, level, length, str.value()); - } - else if(type_tag == UTC_TIME || type_tag == GENERALIZED_TIME) - { - X509_Time time; - data.decode(time); - output << format(type_tag, class_tag, level, length, time.readable_string()); - } - else - { - output << "Unknown ASN.1 tag class=" << static_cast<int>(class_tag) - << " type=" << static_cast<int>(type_tag) << "\n"; - } - - obj = decoder.get_next_object(); - } - } - -namespace { - -std::string format_type(ASN1_Tag type_tag, ASN1_Tag class_tag) - { - if(class_tag == UNIVERSAL) - return asn1_tag_to_string(type_tag); - - if(class_tag == CONSTRUCTED && (type_tag == SEQUENCE || type_tag == SET)) - return asn1_tag_to_string(type_tag); - - std::string name; - - if(class_tag & CONSTRUCTED) - name += "cons "; - - name += "[" + std::to_string(type_tag) + "]"; - - if(class_tag & APPLICATION) - { - name += " appl"; - } - if(class_tag & CONTEXT_SPECIFIC) - { - name += " context"; - } - - return name; - } - -} - -std::string ASN1_Pretty_Printer::format(ASN1_Tag type_tag, - ASN1_Tag class_tag, - size_t level, - size_t length, - const std::string& value) const - { - bool should_skip = false; - - if(value.length() > m_print_limit) - { - should_skip = true; - } - - if((type_tag == OCTET_STRING || type_tag == BIT_STRING) && - value.length() > m_print_binary_limit) - { - should_skip = true; - } - - level += m_initial_level; - - std::ostringstream oss; - - oss << " d=" << std::setw(2) << level - << ", l=" << std::setw(4) << length << ":" - << std::string(level + 1, ' ') << format_type(type_tag, class_tag); - - if(value != "" && !should_skip) - { - const size_t current_pos = static_cast<size_t>(oss.tellp()); - const size_t spaces_to_align = - (current_pos >= m_value_column) ? 1 : (m_value_column - current_pos); - - oss << std::string(spaces_to_align, ' ') << value; - } - - oss << "\n"; - - return oss.str(); - } - -std::string ASN1_Pretty_Printer::format_bin(ASN1_Tag /*type_tag*/, - ASN1_Tag /*class_tag*/, - const std::vector<uint8_t>& vec) const - { - if(all_printable_chars(vec.data(), vec.size())) - { - return std::string(cast_uint8_ptr_to_char(vec.data()), vec.size()); - } - else - return hex_encode(vec); - } - -} |