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Add clang-tidy to CI
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Lines changed: 253 additions & 53 deletions

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‎.clang-tidy‎

Lines changed: 30 additions & 0 deletions
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@@ -0,0 +1,30 @@
1+
Checks: >
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-*,
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bugprone-*,
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clang-analyzer-*,
5+
concurrency-*,
6+
misc-*,
7+
modernize-*,
8+
portability-*,
9+
-bugprone-easily-swappable-parameters,
10+
-bugprone-reserved-identifier,
11+
-bugprone-macro-parentheses,
12+
-bugprone-narrowing-conversions,
13+
-bugprone-switch-missing-default-case,
14+
-bugprone-implicit-widening-of-multiplication-result,
15+
-bugprone-assignment-in-if-condition,
16+
-concurrency-mt-unsafe,
17+
-clang-analyzer-security.insecureAPI.strcpy,
18+
-clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling,
19+
-misc-unused-parameters,
20+
-misc-no-recursion,
21+
-misc-header-include-cycle,
22+
-misc-include-cleaner,
23+
-modernize-macro-to-enum,
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-modernize-use-designated-initializers,
25+
26+
WarningsAsErrors: true
27+
28+
HeaderFilterRegex: '(src/|wolfpkcs11/|examples/|tests/).*\.(h|hpp)$'
29+
30+
FormatStyle: none

‎.github/workflows/clang-tidy.yml‎

Lines changed: 165 additions & 0 deletions
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# wolfPKCS11 Clang-Tidy Static Analysis Workflow
2+
#
3+
# This workflow performs comprehensive static analysis on the wolfPKCS11 codebase
4+
# using clang-tidy to identify potential bugs, performance issues, and code quality
5+
# problems across different build configurations.
6+
#
7+
# Features:
8+
# - Matrix build testing both standard and TPM-enabled configurations
9+
# - Parallel analysis for improved performance
10+
# - Comprehensive check configuration covering security, performance, and readability
11+
# - Artifact upload for detailed review of analysis results
12+
# - Non-blocking analysis (warnings don't fail builds)
13+
#
14+
# Configurations tested:
15+
# 1. Standard Build - Default wolfPKCS11 configuration
16+
# 2. TPM Build - wolfPKCS11 with TPM support via wolfTPM and IBM TPM simulator
17+
#
18+
# The workflow generates detailed reports and summaries available as artifacts
19+
# for each configuration, enabling developers to review and address identified issues.
20+
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name: wolfPKCS11 Clang-Tidy Analysis
22+
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on:
24+
push:
25+
branches: [ 'master', 'main', 'release/**' ]
26+
pull_request:
27+
branches: [ '*' ]
28+
29+
jobs:
30+
clang-tidy:
31+
runs-on: ubuntu-latest
32+
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steps:
34+
# Checkout wolfPKCS11
35+
- uses: actions/checkout@v4
36+
37+
# Install build dependencies
38+
- name: Install dependencies
39+
run: |
40+
sudo apt-get update
41+
sudo apt-get install -y \
42+
build-essential \
43+
autoconf \
44+
automake \
45+
libtool \
46+
clang \
47+
clang-tidy \
48+
pkg-config \
49+
git
50+
51+
# Build and install wolfSSL
52+
- name: Build and install wolfSSL
53+
run: |
54+
git clone https://github.com/wolfSSL/wolfssl.git
55+
cd wolfssl
56+
./autogen.sh
57+
./configure --enable-cryptocb --enable-aescfb --enable-rsapss --enable-keygen --enable-pwdbased --enable-scrypt \
58+
C_EXTRA_FLAGS="-DWOLFSSL_PUBLIC_MP -DWC_RSA_DIRECT"
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make -j$(nproc)
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sudo make install
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sudo ldconfig
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cd ..
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64+
# Install bear to generate compilation database
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- name: Install bear
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run: |
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sudo apt-get install -y bear
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# Configure and build wolfPKCS11 to generate compilation database
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- name: Configure and build wolfPKCS11
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run: |
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./autogen.sh
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CC=clang CXX=clang++ ./configure --enable-all --enable-debug
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bear -- make -j$(nproc)
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# Run clang-tidy analysis
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- name: Run clang-tidy
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run: |
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# Find source files to analyze (prioritize main source files)
80+
echo "Finding source files to analyze..."
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find src wolfpkcs11 -name "*.c" -type f | sort > files_to_check.txt
82+
find src wolfpkcs11 -name "*.h" -type f | sort >> files_to_check.txt
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84+
# Run clang-tidy analysis
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echo "Running clang-tidy analysis..."
86+
clang-tidy -p . --config-file=.clang-tidy $(cat files_to_check.txt) \
87+
> clang-tidy-report.txt 2>&1
88+
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# Display the report (limit output to avoid log overflow)
90+
echo "=== Clang-Tidy Analysis Results (First 100 lines) ==="
91+
if [ -s clang-tidy-report.txt ]; then
92+
head -100 clang-tidy-report.txt
93+
TOTAL_LINES=$(wc -l < clang-tidy-report.txt)
94+
if [ "$TOTAL_LINES" -gt 100 ]; then
95+
echo "... (truncated, full report available in artifacts - $TOTAL_LINES total lines)"
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fi
97+
else
98+
echo "No issues found or clang-tidy produced no output"
99+
fi
100+
101+
# Count issues with proper error handling to avoid string concatenation
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WARNINGS=0
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ERRORS=0
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NOTES=0
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FILES_ANALYZED=0
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107+
if [ -s clang-tidy-report.txt ]; then
108+
WARNINGS=$(grep -c ": warning:" clang-tidy-report.txt 2>/dev/null) || WARNINGS=0
109+
ERRORS=$(grep -c ": error:" clang-tidy-report.txt 2>/dev/null) || ERRORS=0
110+
NOTES=$(grep -c ": note:" clang-tidy-report.txt 2>/dev/null) || NOTES=0
111+
112+
# Also try to parse "X warnings generated" format
113+
GENERATED_WARNINGS=$(grep -o "[0-9]\+ warnings generated" clang-tidy-report.txt 2>/dev/null | sed 's/ warnings generated//' | paste -sd+ | bc 2>/dev/null) || GENERATED_WARNINGS=0
114+
115+
# Use the higher warning count
116+
if [ "$GENERATED_WARNINGS" -gt "$WARNINGS" ]; then
117+
WARNINGS=$GENERATED_WARNINGS
118+
fi
119+
fi
120+
121+
if [ -s files_to_check.txt ]; then
122+
FILES_ANALYZED=$(wc -l < files_to_check.txt 2>/dev/null) || FILES_ANALYZED=0
123+
fi
124+
echo ""
125+
echo "=== Analysis Summary ==="
126+
echo "Files analyzed: $FILES_ANALYZED"
127+
echo "Warnings: $WARNINGS"
128+
echo "Errors: $ERRORS"
129+
echo "Notes: $NOTES"
130+
131+
# Create a summary for the build
132+
echo "Configuration: Standard Build" >> clang-tidy-summary.txt
133+
echo "Files analyzed: $FILES_ANALYZED" >> clang-tidy-summary.txt
134+
echo "Warnings: $WARNINGS" >> clang-tidy-summary.txt
135+
echo "Errors: $ERRORS" >> clang-tidy-summary.txt
136+
echo "Notes: $NOTES" >> clang-tidy-summary.txt
137+
echo "Timestamp: $(date)" >> clang-tidy-summary.txt
138+
echo "---" >> clang-tidy-summary.txt
139+
140+
# Set exit code based on error count (fail the build on errors)
141+
# Note: Only fail on actual errors, not warnings
142+
if [ "$ERRORS" -gt 0 ]; then
143+
echo "Found $ERRORS clang-tidy errors - failing build"
144+
exit 1
145+
else
146+
echo "No clang-tidy errors found - build passing (warnings are informational)"
147+
fi
148+
149+
# Cleanup temporary files
150+
rm -f files_to_check.txt
151+
152+
echo "Clang-tidy analysis completed"
153+
154+
# Upload test logs on failure
155+
- name: Upload failure logs
156+
if: failure()
157+
uses: actions/upload-artifact@v4
158+
with:
159+
name: test-logs
160+
path: |
161+
clang-tidy-summary.txt
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clang-tidy-report.txt
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test-suite.log
164+
config.log
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retention-days: 5

‎src/internal.c‎

Lines changed: 56 additions & 53 deletions
Original file line numberDiff line numberDiff line change
@@ -2413,7 +2413,8 @@ static int wp11_Object_Store_RsaKey(WP11_Object* object, int tokenId, int objId)
24132413
storeType = WOLFPKCS11_STORE_RSAKEY_PUB;
24142414

24152415
/* Open access to RSA key. */
2416-
ret = wp11_storage_open(storeType, tokenId, objId, object->keyDataLen,
2416+
if (ret == 0)
2417+
ret = wp11_storage_open(storeType, tokenId, objId, object->keyDataLen,
24172418
&storage);
24182419
if (ret == 0) {
24192420
/* Write encoded RSA key to storage. */
@@ -2608,7 +2609,8 @@ static int wp11_Object_Store_EccKey(WP11_Object* object, int tokenId, int objId)
26082609
storeType = WOLFPKCS11_STORE_ECCKEY_PUB;
26092610

26102611
/* Open access to ECC key. */
2611-
ret = wp11_storage_open(storeType, tokenId, objId, object->keyDataLen,
2612+
if (ret == 0)
2613+
ret = wp11_storage_open(storeType, tokenId, objId, object->keyDataLen,
26122614
&storage);
26132615
if (ret == 0) {
26142616
/* Write encoded ECC key to storage. */
@@ -2935,8 +2937,10 @@ static int wp11_Object_Store_DhKey(WP11_Object* object, int tokenId, int objId)
29352937
storeType = WOLFPKCS11_STORE_DHKEY_PUB;
29362938

29372939
/* Open access to DH key. */
2938-
ret = wp11_storage_open(storeType, tokenId, objId, object->keyDataLen + len,
2939-
&storage);
2940+
if (ret == 0)
2941+
ret = wp11_storage_open(storeType, tokenId, objId,
2942+
object->keyDataLen + len, &storage);
2943+
29402944
if (ret == 0) {
29412945
ret = wp11_storage_write_array(storage, object->keyData,
29422946
object->keyDataLen);
@@ -3059,7 +3063,8 @@ static int wp11_Object_Store_SymmKey(WP11_Object* object, int tokenId,
30593063
}
30603064

30613065
/* Open access to symmetric key. */
3062-
ret = wp11_storage_open(WOLFPKCS11_STORE_SYMMKEY, tokenId, objId,
3066+
if (ret == 0)
3067+
ret = wp11_storage_open(WOLFPKCS11_STORE_SYMMKEY, tokenId, objId,
30633068
object->keyDataLen, &storage);
30643069
if (ret == 0) {
30653070
/* Write symmetric key to storage. */
@@ -5662,61 +5667,61 @@ int WP11_Object_SetRsaKey(WP11_Object* object, unsigned char** data,
56625667

56635668
key = &object->data.rsaKey;
56645669
ret = wc_InitRsaKey_ex(key, NULL, object->slot->devId);
5670+
if (ret == 0)
5671+
ret = SetMPI(&key->d, data[1], (int)len[1]);
5672+
if (ret == 0)
5673+
ret = SetMPI(&key->p, data[2], (int)len[2]);
5674+
if (ret == 0)
5675+
ret = SetMPI(&key->q, data[3], (int)len[3]);
5676+
/* If modulus is not provided, calculate it */
56655677
if (ret == 0) {
5666-
if (ret == 0)
5667-
ret = SetMPI(&key->d, data[1], (int)len[1]);
5668-
if (ret == 0)
5669-
ret = SetMPI(&key->p, data[2], (int)len[2]);
5670-
if (ret == 0)
5671-
ret = SetMPI(&key->q, data[3], (int)len[3]);
5672-
/* If modulus is not provided, calculate it */
56735678
if (data[0] == NULL || len[0] == 0) {
56745679
ret = mp_mul(&key->p, &key->q, &key->n);
56755680
} else {
56765681
ret = SetMPI(&key->n, data[0], (int)len[0]);
56775682
}
5678-
if (ret == 0)
5679-
ret = SetMPI(&key->dP, data[4], (int)len[4]);
5680-
if (ret == 0)
5681-
ret = SetMPI(&key->dQ, data[5], (int)len[5]);
5682-
if (ret == 0)
5683-
ret = SetMPI(&key->u, data[6], (int)len[6]);
5684-
if (ret == 0) {
5685-
/* Public exponent defaults to 65537 in PKCS11 > 2.11 */
5686-
if (len[7] > 0)
5687-
ret = SetMPI(&key->e, data[7], (int)len[7]);
5688-
else {
5689-
byte defaultPublic[] = {0x01, 0x00, 0x01};
5690-
ret = SetMPI(&key->e, defaultPublic, sizeof(defaultPublic));
5691-
}
5692-
}
5693-
if (ret == 0) {
5694-
if (len[8] == sizeof(CK_ULONG))
5695-
object->size = (word32)*(CK_ULONG*)data[8];
5696-
else if (len[8] != 0)
5697-
ret = BUFFER_E;
5683+
}
5684+
if (ret == 0)
5685+
ret = SetMPI(&key->dP, data[4], (int)len[4]);
5686+
if (ret == 0)
5687+
ret = SetMPI(&key->dQ, data[5], (int)len[5]);
5688+
if (ret == 0)
5689+
ret = SetMPI(&key->u, data[6], (int)len[6]);
5690+
if (ret == 0) {
5691+
/* Public exponent defaults to 65537 in PKCS11 > 2.11 */
5692+
if (len[7] > 0)
5693+
ret = SetMPI(&key->e, data[7], (int)len[7]);
5694+
else {
5695+
byte defaultPublic[] = {0x01, 0x00, 0x01};
5696+
ret = SetMPI(&key->e, defaultPublic, sizeof(defaultPublic));
56985697
}
5699-
if (ret == 0) {
5700-
if (mp_iszero(&key->d) && mp_iszero(&key->p)) {
5701-
key->type = RSA_PUBLIC;
5702-
}
5703-
else {
5704-
key->type = RSA_PRIVATE;
5705-
}
5698+
}
5699+
if (ret == 0) {
5700+
if (len[8] == sizeof(CK_ULONG))
5701+
object->size = (word32)*(CK_ULONG*)data[8];
5702+
else if (len[8] != 0)
5703+
ret = BUFFER_E;
5704+
}
5705+
if (ret == 0) {
5706+
if (mp_iszero(&key->d) && mp_iszero(&key->p)) {
5707+
key->type = RSA_PUBLIC;
57065708
}
5707-
#ifdef WOLFPKCS11_TPM
5708-
if (ret == 0 && key->type == RSA_PRIVATE) {
5709-
/* load private key - populates handle */
5710-
object->slot->tpmCtx.rsaKey = (WOLFTPM2_KEY*)&object->tpmKey;
5711-
ret = wolfTPM2_RsaKey_WolfToTpm_ex(&object->slot->tpmDev,
5712-
&object->slot->tpmSrk, &object->data.rsaKey,
5713-
(WOLFTPM2_KEY*)&object->tpmKey);
5709+
else {
5710+
key->type = RSA_PRIVATE;
57145711
}
5715-
#endif
5716-
5717-
if (ret != 0)
5718-
wc_FreeRsaKey(key);
57195712
}
5713+
#ifdef WOLFPKCS11_TPM
5714+
if (ret == 0 && key->type == RSA_PRIVATE) {
5715+
/* load private key - populates handle */
5716+
object->slot->tpmCtx.rsaKey = (WOLFTPM2_KEY*)&object->tpmKey;
5717+
ret = wolfTPM2_RsaKey_WolfToTpm_ex(&object->slot->tpmDev,
5718+
&object->slot->tpmSrk, &object->data.rsaKey,
5719+
(WOLFTPM2_KEY*)&object->tpmKey);
5720+
}
5721+
#endif
5722+
5723+
if (ret != 0)
5724+
wc_FreeRsaKey(key);
57205725

57215726
if (object->onToken)
57225727
WP11_Lock_UnlockRW(object->lock);
@@ -6892,7 +6897,7 @@ int WP11_Object_SetAttr(WP11_Object* object, CK_ATTRIBUTE_TYPE type, byte* data,
68926897
WP11_Object_SetOpFlag(object, CKF_WRAP, *(CK_BBOOL*)data);
68936898
break;
68946899
case CKA_UNWRAP:
6895-
WP11_Object_SetOpFlag(object, CKF_WRAP, *(CK_BBOOL*)data);
6900+
WP11_Object_SetOpFlag(object, CKF_UNWRAP, *(CK_BBOOL*)data);
68966901
break;
68976902
case CKA_DERIVE:
68986903
WP11_Object_SetOpFlag(object, CKF_DERIVE, *(CK_BBOOL*)data);
@@ -7007,10 +7012,8 @@ int WP11_Object_SetAttr(WP11_Object* object, CK_ATTRIBUTE_TYPE type, byte* data,
70077012
break;
70087013
case CKA_KEY_TYPE:
70097014
/* Handled in layer above */
7010-
break;
70117015
case CKA_TOKEN:
70127016
/* Handled in layer above */
7013-
break;
70147017
case CKA_CERTIFICATE_TYPE:
70157018
/* Handled in WP11_Object_SetCert */
70167019
break;

‎wolfpkcs11/store.h‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -22,6 +22,8 @@
2222
#ifndef WOLFPKCS11_STORE
2323
#define WOLFPKCS11_STORE
2424

25+
#include <wolfpkcs11/pkcs11.h>
26+
2527
#define WOLFPKCS11_STORE_TOKEN 0x00
2628
#define WOLFPKCS11_STORE_OBJECT 0x01
2729
#define WOLFPKCS11_STORE_SYMMKEY 0x02

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