Squashed 'lib/mbedtls/external/mbedtls/' content from commit 2ca6c285a0dd

git-subtree-dir: lib/mbedtls/external/mbedtls
git-subtree-split: 2ca6c285a0dd3f33982dd57299012dacab1ff206
diff --git a/tests/context-info.sh b/tests/context-info.sh
new file mode 100755
index 0000000..55e3219
--- /dev/null
+++ b/tests/context-info.sh
@@ -0,0 +1,428 @@
+#!/bin/sh
+
+# context-info.sh
+#
+# Copyright The Mbed TLS Contributors
+# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+#
+# This program is intended for testing the ssl_context_info program
+#
+
+set -eu
+
+if ! cd "$(dirname "$0")"; then
+    exit 125
+fi
+
+# Variables
+
+THIS_SCRIPT_NAME=$(basename "$0")
+PROG_PATH="../programs/ssl/ssl_context_info"
+OUT_FILE="ssl_context_info.log"
+IN_DIR="data_files/base64"
+
+USE_VALGRIND=0
+
+T_COUNT=0
+T_PASSED=0
+T_FAILED=0
+
+
+# Functions
+
+print_usage() {
+    echo "Usage: $0 [options]"
+    printf "  -h|--help\tPrint this help.\n"
+    printf "  -m|--memcheck\tUse valgrind to check the memory.\n"
+}
+
+# Print test name <name>
+print_name() {
+    printf "%s %.*s " "$1" $(( 71 - ${#1} )) \
+    "........................................................................"
+}
+
+# Print header to the test output file <test name> <file path> <test command>
+print_header()
+{
+    date="$(date)"
+    echo "******************************************************************" >  $2
+    echo "* File created by: $THIS_SCRIPT_NAME"                               >> $2
+    echo "* Test name:  $1"                                                   >> $2
+    echo "* Date:       $date"                                                >> $2
+    echo "* Command:    $3"                                                   >> $2
+    echo "******************************************************************" >> $2
+    echo ""                                                                   >> $2
+}
+
+# Print footer at the end of file <file path>
+print_footer()
+{
+    echo ""                                                                   >> $1
+    echo "******************************************************************" >> $1
+    echo "* End command"                                                      >> $1
+    echo "******************************************************************" >> $1
+    echo ""                                                                   >> $1
+}
+
+# Use the arguments of this script
+get_options() {
+    while [ $# -gt 0 ]; do
+        case "$1" in
+            -h|--help)
+                print_usage
+                exit 0
+                ;;
+            -m|--memcheck)
+                USE_VALGRIND=1
+                ;;
+            *)
+                echo "Unknown argument: '$1'"
+                print_usage
+                exit 1
+                ;;
+        esac
+        shift
+    done
+}
+
+# Current test failed
+fail()
+{
+    T_FAILED=$(( $T_FAILED + 1))
+    FAIL_OUT="Fail.$T_FAILED""_$OUT_FILE"
+
+    echo "FAIL"
+    echo "    Error: $1"
+
+    cp -f "$OUT_FILE" "$FAIL_OUT"
+    echo "Error: $1" >> "$FAIL_OUT"
+}
+
+# Current test passed
+pass()
+{
+    T_PASSED=$(( $T_PASSED + 1))
+    echo "PASS"
+}
+
+# Usage: run_test <name> <input file with b64 code> [ -arg <extra arguments for tested program> ] [option [...]]
+# Options:  -m <pattern that MUST be present in the output of tested program>
+#           -n <pattern that must NOT be present in the output of tested program>
+#           -u <pattern that must be UNIQUE in the output of tested program>
+run_test()
+{
+    TEST_NAME="$1"
+    RUN_CMD="$PROG_PATH -f $IN_DIR/$2"
+
+    if [ "-arg" = "$3" ]; then
+        RUN_CMD="$RUN_CMD $4"
+        shift 4
+    else
+        shift 2
+    fi
+
+    # prepend valgrind to our commands if active
+    if [ "$USE_VALGRIND" -gt 0 ]; then
+        RUN_CMD="valgrind --leak-check=full $RUN_CMD"
+    fi
+
+    T_COUNT=$(( $T_COUNT + 1))
+    print_name "$TEST_NAME"
+
+    # run tested program
+    print_header "$TEST_NAME" "$OUT_FILE" "$RUN_CMD"
+    eval "$RUN_CMD" >> "$OUT_FILE" 2>&1
+    print_footer "$OUT_FILE"
+
+    # check valgrind's results
+    if [ "$USE_VALGRIND" -gt 0 ]; then
+        if ! ( grep -F 'All heap blocks were freed -- no leaks are possible' "$OUT_FILE" &&
+             grep -F 'ERROR SUMMARY: 0 errors from 0 contexts' "$OUT_FILE" ) > /dev/null
+        then
+            fail "Memory error detected"
+            return
+        fi
+    fi
+
+    # check other assertions
+    # lines beginning with == are added by valgrind, ignore them, because we already checked them before
+    # lines with 'Serious error when reading debug info', are valgrind issues as well
+    # lines beginning with * are added by this script, ignore too
+    while [ $# -gt 0 ]
+    do
+        case $1 in
+            "-m")
+                if grep -v '^==' "$OUT_FILE" | grep -v 'Serious error when reading debug info' | grep -v "^*" | grep "$2" >/dev/null; then :; else
+                    fail "pattern '$2' MUST be present in the output"
+                    return
+                fi
+                ;;
+
+            "-n")
+                if grep -v '^==' "$OUT_FILE" | grep -v 'Serious error when reading debug info' | grep -v "^*" | grep "$2" >/dev/null; then
+                    fail "pattern '$2' MUST NOT be present in the output"
+                    return
+                fi
+                ;;
+
+            "-u")
+                if [ $(grep -v '^==' "$OUT_FILE"| grep -v 'Serious error when reading debug info' | grep -v "^*" | grep "$2" | wc -l) -ne 1 ]; then
+                    fail "lines following pattern '$2' must be once in the output"
+                    return
+                fi
+                ;;
+
+            *)
+                echo "Unknown test: $1" >&2
+                exit 1
+        esac
+        shift 2
+    done
+
+    rm -f "$OUT_FILE"
+
+    pass
+}
+
+get_options "$@"
+
+# Tests
+
+run_test "Default configuration, server" \
+         "srv_def.txt" \
+         -n "ERROR" \
+         -u "major.* 2$" \
+         -u "minor.* 21$" \
+         -u "path.* 0$" \
+         -u "MBEDTLS_HAVE_TIME$" \
+         -u "MBEDTLS_X509_CRT_PARSE_C$" \
+         -u "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH$" \
+         -u "MBEDTLS_SSL_ENCRYPT_THEN_MAC$" \
+         -u "MBEDTLS_SSL_SESSION_TICKETS$" \
+         -u "MBEDTLS_SSL_SESSION_TICKETS and client$" \
+         -u "MBEDTLS_SSL_DTLS_ANTI_REPLAY$" \
+         -u "MBEDTLS_SSL_ALPN$" \
+         -u "ciphersuite.* TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256$" \
+         -u "cipher flags.* 0x00$" \
+         -u "Message-Digest.* SHA256$" \
+         -u "compression.* disabled$" \
+         -u "DTLS datagram packing.* enabled$" \
+         -n "Certificate" \
+         -n "bytes left to analyze from context"
+
+run_test "Default configuration, client" \
+         "cli_def.txt" \
+         -n "ERROR" \
+         -u "major.* 2$" \
+         -u "minor.* 21$" \
+         -u "path.* 0$" \
+         -u "MBEDTLS_HAVE_TIME$" \
+         -u "MBEDTLS_X509_CRT_PARSE_C$" \
+         -u "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH$" \
+         -u "MBEDTLS_SSL_ENCRYPT_THEN_MAC$" \
+         -u "MBEDTLS_SSL_SESSION_TICKETS$" \
+         -u "MBEDTLS_SSL_SESSION_TICKETS and client$" \
+         -u "MBEDTLS_SSL_DTLS_ANTI_REPLAY$" \
+         -u "MBEDTLS_SSL_ALPN$" \
+         -u "ciphersuite.* TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256$" \
+         -u "cipher flags.* 0x00$" \
+         -u "Message-Digest.* SHA256$" \
+         -u "compression.* disabled$" \
+         -u "DTLS datagram packing.* enabled$" \
+         -u "cert. version .* 3$" \
+         -u "serial number.* 02$" \
+         -u "issuer name.* C=NL, O=PolarSSL, CN=PolarSSL Test CA$" \
+         -u "subject name.* C=NL, O=PolarSSL, CN=localhost$" \
+         -u "issued  on.* 2019-02-10 14:44:06$" \
+         -u "expires on.* 2029-02-10 14:44:06$" \
+         -u "signed using.* RSA with SHA-256$" \
+         -u "RSA key size.* 2048 bits$" \
+         -u "basic constraints.* CA=false$" \
+         -n "bytes left to analyze from context"
+
+run_test "Ciphersuite TLS-RSA-WITH-AES-256-CCM-8, server" \
+         "srv_ciphersuite.txt" \
+         -n "ERROR" \
+         -u "ciphersuite.* TLS-RSA-WITH-AES-256-CCM-8$" \
+
+run_test "Ciphersuite TLS-RSA-WITH-AES-256-CCM-8, client" \
+         "cli_ciphersuite.txt" \
+         -n "ERROR" \
+         -u "ciphersuite.* TLS-RSA-WITH-AES-256-CCM-8$" \
+
+run_test "No packing, server" \
+         "srv_no_packing.txt" \
+         -n "ERROR" \
+         -u "DTLS datagram packing.* disabled"
+
+run_test "No packing, client" \
+         "cli_no_packing.txt" \
+         -n "ERROR" \
+         -u "DTLS datagram packing.* disabled"
+
+run_test "DTLS CID, server" \
+         "srv_cid.txt" \
+         -n "ERROR" \
+         -u "in CID.* DE AD" \
+         -u "out CID.* BE EF"
+
+run_test "DTLS CID, client" \
+         "cli_cid.txt" \
+         -n "ERROR" \
+         -u "in CID.* BE EF" \
+         -u "out CID.* DE AD"
+
+run_test "No MBEDTLS_SSL_MAX_FRAGMENT_LENGTH, server" \
+         "srv_no_mfl.txt" \
+         -n "ERROR" \
+         -n "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH"
+
+run_test "No MBEDTLS_SSL_MAX_FRAGMENT_LENGTH, client" \
+         "cli_no_mfl.txt" \
+         -n "ERROR" \
+         -n "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH"
+
+run_test "No MBEDTLS_SSL_ALPN, server" \
+         "srv_no_alpn.txt" \
+         -n "ERROR" \
+         -n "MBEDTLS_SSL_ALPN"
+
+run_test "No MBEDTLS_SSL_ALPN, client" \
+         "cli_no_alpn.txt" \
+         -n "ERROR" \
+         -n "MBEDTLS_SSL_ALPN"
+
+run_test "No MBEDTLS_SSL_KEEP_PEER_CERTIFICATE, server" \
+         "srv_no_keep_cert.txt" \
+         -arg "--keep-peer-cert=0" \
+         -u "ciphersuite.* TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256$" \
+         -u "cipher flags.* 0x00" \
+         -u "compression.* disabled" \
+         -u "DTLS datagram packing.* enabled" \
+         -n "ERROR"
+
+run_test "No MBEDTLS_SSL_KEEP_PEER_CERTIFICATE, client" \
+         "cli_no_keep_cert.txt" \
+         -arg "--keep-peer-cert=0" \
+         -u "ciphersuite.* TLS-ECDHE-RSA-WITH-CHACHA20-POLY1305-SHA256$" \
+         -u "cipher flags.* 0x00" \
+         -u "compression.* disabled" \
+         -u "DTLS datagram packing.* enabled" \
+         -n "ERROR"
+
+run_test "No MBEDTLS_SSL_KEEP_PEER_CERTIFICATE, negative, server" \
+         "srv_no_keep_cert.txt" \
+         -m "Deserializing" \
+         -m "ERROR"
+
+run_test "No MBEDTLS_SSL_KEEP_PEER_CERTIFICATE, negative, client" \
+         "cli_no_keep_cert.txt" \
+         -m "Deserializing" \
+         -m "ERROR"
+
+run_test "Minimal configuration, server" \
+         "srv_min_cfg.txt" \
+         -n "ERROR" \
+         -n "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH$" \
+         -n "MBEDTLS_SSL_ENCRYPT_THEN_MAC$" \
+         -n "MBEDTLS_SSL_SESSION_TICKETS$" \
+         -n "MBEDTLS_SSL_SESSION_TICKETS and client$" \
+         -n "MBEDTLS_SSL_DTLS_ANTI_REPLAY$" \
+         -n "MBEDTLS_SSL_ALPN$" \
+
+run_test "Minimal configuration, client" \
+         "cli_min_cfg.txt" \
+         -n "ERROR" \
+         -n "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH$" \
+         -n "MBEDTLS_SSL_ENCRYPT_THEN_MAC$" \
+         -n "MBEDTLS_SSL_SESSION_TICKETS$" \
+         -n "MBEDTLS_SSL_SESSION_TICKETS and client$" \
+         -n "MBEDTLS_SSL_DTLS_ANTI_REPLAY$" \
+         -n "MBEDTLS_SSL_ALPN$" \
+
+run_test "MTU=10000" \
+         "mtu_10000.txt" \
+         -n "ERROR" \
+         -u "MTU.* 10000$"
+
+run_test "MFL=1024" \
+         "mfl_1024.txt" \
+         -n "ERROR" \
+         -u "MFL.* 1024$"
+
+run_test "Older version (v2.19.1)" \
+         "v2.19.1.txt" \
+         -n "ERROR" \
+         -u "major.* 2$" \
+         -u "minor.* 19$" \
+         -u "path.* 1$" \
+         -u "ciphersuite.* TLS-ECDHE-ECDSA-WITH-AES-128-CCM-8$" \
+         -u "Message-Digest.* SHA256$" \
+         -u "compression.* disabled$" \
+         -u "serial number.* 01:70:AF:40:B4:E6$" \
+         -u "issuer name.* CN=ca$" \
+         -u "subject name.* L=160001, OU=acc1, CN=device01$" \
+         -u "issued  on.* 2020-03-06 09:50:18$" \
+         -u "expires on.* 2056-02-26 09:50:18$" \
+         -u "signed using.* ECDSA with SHA256$" \
+         -u "lifetime.* 0 sec.$" \
+         -u "MFL.* none$" \
+         -u "negotiate truncated HMAC.* disabled$" \
+         -u "Encrypt-then-MAC.* enabled$" \
+         -u "DTLS datagram packing.* enabled$" \
+         -u "verify result.* 0x00000000$" \
+         -n "bytes left to analyze from context"
+
+run_test "Wrong base64 format" \
+         "def_bad_b64.txt" \
+         -m "ERROR" \
+         -u "The length of the base64 code found should be a multiple of 4" \
+         -n "bytes left to analyze from context"
+
+run_test "Too much data at the beginning of base64 code" \
+         "def_b64_too_big_1.txt" \
+         -m "ERROR" \
+         -n "The length of the base64 code found should be a multiple of 4" \
+
+run_test "Too much data in the middle of base64 code" \
+         "def_b64_too_big_2.txt" \
+         -m "ERROR" \
+         -n "The length of the base64 code found should be a multiple of 4" \
+
+run_test "Too much data at the end of base64 code" \
+         "def_b64_too_big_3.txt" \
+         -m "ERROR" \
+         -n "The length of the base64 code found should be a multiple of 4" \
+         -u "bytes left to analyze from context"
+
+run_test "Empty file as input" \
+         "empty.txt" \
+         -u "Finished. No valid base64 code found"
+
+run_test "Not empty file without base64 code" \
+         "../../context-info.sh" \
+         -n "Deserializing"
+
+run_test "Binary file instead of text file" \
+         "../../../programs/ssl/ssl_context_info" \
+         -m "ERROR" \
+         -u "Too many bad symbols detected. File check aborted" \
+         -n "Deserializing"
+
+run_test "Decoder continues past 0xff character" \
+         "def_b64_ff.bin" \
+         -n "No valid base64" \
+         -u "ciphersuite.* TLS-"
+
+
+# End of tests
+
+echo
+if [ $T_FAILED -eq 0 ]; then
+    echo "PASSED ( $T_COUNT tests )"
+else
+    echo "FAILED ( $T_FAILED / $T_COUNT tests )"
+fi
+
+exit $T_FAILED