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Diffstat (limited to '')
-rw-r--r-- | web/server/h2o/libh2o/deps/picotls/include/picotls/asn1.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/deps/picotls/include/picotls/asn1.h b/web/server/h2o/libh2o/deps/picotls/include/picotls/asn1.h new file mode 100644 index 00000000..5314c58a --- /dev/null +++ b/web/server/h2o/libh2o/deps/picotls/include/picotls/asn1.h @@ -0,0 +1,64 @@ +/* +* Copyright (c) 2017 Christian Huitema <huitema@huitema.net> +* +* Permission to use, copy, modify, and distribute this software for any +* purpose with or without fee is hereby granted, provided that the above +* copyright notice and this permission notice appear in all copies. +* +* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +#ifndef PTLS_ASN1_H +#define PTLS_ASN1_H + +// #include "picotls/minicrypto.h" + +/* +* The ASN.1 functions take a "log context" parameter of type ptls_minicrypto_log_ctx_t. +* +* The log function in that code can be instantiated for example as: +* +* void log_printf(void * ctx, const char * format, ...) +* { +* va_list argptr; +* va_start(argptr, format); +* vfprintf(stderr, format, argptr); +* } +* +* Using definitions from <stdio.h> and <stdarg.h> +*/ + +typedef struct st_ptls_minicrypto_log_ctx_t { + void *ctx; + void (*fn)(void *ctx, const char *format, ...); +} ptls_minicrypto_log_ctx_t; + +size_t ptls_asn1_error_message(char const *error_label, size_t bytes_max, size_t byte_index, int level, + ptls_minicrypto_log_ctx_t *log_ctx); + +void ptls_asn1_dump_content(const uint8_t *bytes, size_t bytes_max, size_t byte_index, ptls_minicrypto_log_ctx_t *log_ctx); + +size_t ptls_asn1_read_type(const uint8_t *bytes, size_t bytes_max, int *structure_bit, int *type_class, uint32_t *type_number, + int *decode_error, int level, ptls_minicrypto_log_ctx_t *log_ctx); + +void ptls_asn1_print_type(int type_class, uint32_t type_number, int level, ptls_minicrypto_log_ctx_t *log_ctx); + +size_t ptls_asn1_read_length(const uint8_t *bytes, size_t bytes_max, size_t byte_index, uint32_t *length, int *indefinite_length, + size_t *last_byte, int *decode_error, int level, ptls_minicrypto_log_ctx_t *log_ctx); + +size_t ptls_asn1_get_expected_type_and_length(const uint8_t *bytes, size_t bytes_max, size_t byte_index, uint8_t expected_type, + uint32_t *length, int *indefinite_length, size_t *last_byte, int *decode_error, + ptls_minicrypto_log_ctx_t *log_ctx); + +size_t ptls_asn1_validation_recursive(const uint8_t *bytes, size_t bytes_max, int *decode_error, int level, + ptls_minicrypto_log_ctx_t *log_ctx); + +int ptls_asn1_validation(const uint8_t *bytes, size_t length, ptls_minicrypto_log_ctx_t *log_ctx); + +#endif |