summaryrefslogtreecommitdiffstats
path: root/web/server/h2o/libh2o/deps/picotls/include/picotls/asn1.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--web/server/h2o/libh2o/deps/picotls/include/picotls/asn1.h64
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