Fix SFTP data truncation issue by moving sentSzSave to state structure

Co-Authored-By: andrew@wolfssl.com <andrew@wolfssl.com>
pull/785/head
Devin AI 2025-02-25 19:00:32 +00:00
parent da85e49a20
commit 502b5a60f5
2 changed files with 144 additions and 3 deletions

140
.github/workflows/sftp-test.yml vendored 100644
View File

@ -0,0 +1,140 @@
name: wolfSSH SFTP Test
on:
push:
branches: [ '*' ]
pull_request:
branches: [ '*' ]
concurrency:
group: ${{ github.workflow }}-${{ github.ref }}
cancel-in-progress: true
jobs:
create_matrix:
runs-on: ubuntu-latest
outputs:
versions: ${{ steps.json.outputs.versions }}
steps:
- name: Create wolfSSL version matrix
id: json
run: |
current=`curl -s https://api.github.com/repos/wolfssl/wolfssl/releases | grep tag_name | cut -d : -f 2,3 | tr -d \" | tr -d , | tr -d ' ' | head -1`
last=`curl -s https://api.github.com/repos/wolfssl/wolfssl/releases | grep tag_name | cut -d : -f 2,3 | tr -d \" | tr -d , | tr -d ' ' | head -2 | tail -1`
VERSIONS=$(echo "[ \"master\", \"$current\", \"$last\" ]")
echo "wolfSSL versions found: $VERSIONS"
echo "versions=$VERSIONS" >> $GITHUB_OUTPUT
build_wolfssl:
needs: create_matrix
strategy:
fail-fast: false
matrix:
os: [ ubuntu-latest ]
wolfssl: ${{ fromJson(needs.create_matrix.outputs['versions']) }}
name: Build wolfssl
runs-on: ${{ matrix.os }}
timeout-minutes: 4
steps:
- name: Checking cache for wolfssl
uses: actions/cache@v4
id: cache-wolfssl
with:
path: build-dir/
key: wolfssh-sftp-wolfssl-${{ matrix.wolfssl }}-${{ matrix.os }}
lookup-only: true
- name: Checkout, build, and install wolfssl
if: steps.cache-wolfssl.outputs.cache-hit != 'true'
uses: wolfSSL/actions-build-autotools-project@v1
with:
repository: wolfssl/wolfssl
ref: ${{ matrix.wolfssl }}
path: wolfssl
configure: --enable-ssh
check: false
install: true
build_wolfssh:
needs:
- build_wolfssl
- create_matrix
strategy:
fail-fast: false
matrix:
os: [ ubuntu-latest ]
wolfssl: ${{ fromJson(needs.create_matrix.outputs['versions']) }}
name: Build and test wolfsftp
runs-on: ${{ matrix.os }}
timeout-minutes: 10
steps:
- name: Checking cache for wolfssl
uses: actions/cache@v4
with:
path: build-dir/
key: wolfssh-sftp-wolfssl-${{ matrix.wolfssl }}-${{ matrix.os }}
fail-on-cache-miss: true
- uses: actions/checkout@v4
with:
path: wolfssh/
- name: autogen
working-directory: ./wolfssh/
run: ./autogen.sh
- name: configure
working-directory: ./wolfssh/
run : |
./configure --enable-sftp LDFLAGS="-L${{ github.workspace }}/build-dir/lib" CPPFLAGS="-I${{ github.workspace }}/build-dir/include -DWOLFSSH_NO_FPKI"
- name: make
working-directory: ./wolfssh/
run: make
- name: Create test file
run: |
dd if=/dev/urandom of=/tmp/test.dat bs=1M count=2
echo "Created 2MB test file at /tmp/test.dat"
md5sum /tmp/test.dat > /tmp/test.md5
- name: Start echoserver
working-directory: ./wolfssh/
run: |
./examples/echoserver/echoserver -f &
echo "Echoserver started with PID: $!"
sleep 2 # Give the server time to start
- name: Run SFTP test
working-directory: ./wolfssh/
run: |
mkdir -p /tmp/sftp_test_dir
# Create expect script to automate the SFTP client interaction
cat > /tmp/sftp_test.exp << 'EOF'
#!/usr/bin/expect -f
set timeout 60
spawn ./examples/sftpclient/wolfsftp -N -h 127.0.0.1 -p 22222 -u jill
expect "Password:"
send "upthehill\r"
expect "wolfSSH sftp>"
send "put /tmp/test.dat /tmp/sftp_test_dir/test_received.dat\r"
expect "wolfSSH sftp>"
send "exit\r"
expect eof
EOF
chmod +x /tmp/sftp_test.exp
# Install expect
sudo apt-get update && sudo apt-get install -y expect
# Run the expect script
/tmp/sftp_test.exp
# Verify the files match
echo "Verifying file integrity..."
if cmp -s /tmp/test.dat /tmp/sftp_test_dir/test_received.dat; then
echo "SFTP Test PASSED: Files match"
else
echo "SFTP Test FAILED: Files do not match"
exit 1
fi

View File

@ -346,6 +346,7 @@ typedef struct WS_SFTP_SEND_WRITE_STATE {
WS_SFTP_BUFFER buffer;
int maxSz;
int sentSz;
int sentSzSave;
} WS_SFTP_SEND_WRITE_STATE;
@ -7167,7 +7168,6 @@ int wolfSSH_SFTP_SendWritePacket(WOLFSSH* ssh, byte* handle, word32 handleSz,
WS_SFTP_SEND_WRITE_STATE* state = NULL;
int ret = WS_FATAL_ERROR;
int status;
int sentSzSave = 0;
byte type;
WLOG(WS_LOG_SFTP, "Entering wolfSSH_SFTP_SendWritePacket()");
@ -7195,6 +7195,7 @@ int wolfSSH_SFTP_SendWritePacket(WOLFSSH* ssh, byte* handle, word32 handleSz,
case STATE_SEND_WRITE_INIT:
WLOG(WS_LOG_SFTP, "SFTP SEND_WRITE STATE: INIT");
state->sentSz = 0;
state->sentSzSave = 0;
if (wolfSSH_SFTP_buffer_create(ssh, &state->buffer,
handleSz + WOLFSSH_SFTP_HEADER + UINT32_SZ * 4) !=
WS_SUCCESS) {
@ -7267,7 +7268,7 @@ int wolfSSH_SFTP_SendWritePacket(WOLFSSH* ssh, byte* handle, word32 handleSz,
continue;
}
sentSzSave += state->sentSz;
state->sentSzSave += state->sentSz;
if (inSz > (word32)state->sentSz) {
in += state->sentSz;
inSz -= state->sentSz;
@ -7351,7 +7352,7 @@ int wolfSSH_SFTP_SendWritePacket(WOLFSSH* ssh, byte* handle, word32 handleSz,
ret = WS_SFTP_STATUS_NOT_OK;
}
if (ret >= WS_SUCCESS)
ret = sentSzSave;
ret = state->sentSzSave;
state->state = STATE_SEND_WRITE_CLEANUP;
NO_BREAK;