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Update ssl_RemoveSession to use SessionHash for direct row calculation

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Co-Authored-By: lealem@wolfssl.com <lealem@wolfssl.com>
This commit is contained in:
Devin AI
2025-05-14 17:29:02 +00:00
parent 8de9b9e69e
commit e0216d3ea5
1 changed files with 30 additions and 21 deletions
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51
src/sniffer.c
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@@ -7630,9 +7630,11 @@ int ssl_RemoveSession(const char* clientIp, int clientPort,
{ {
IpAddrInfo clientAddr = {0}; IpAddrInfo clientAddr = {0};
IpAddrInfo serverAddr = {0}; IpAddrInfo serverAddr = {0};
IpInfo ipInfo;
TcpInfo tcpInfo;
SnifferSession* session; SnifferSession* session;
int ret = -1; /* Default to not found */ int ret = -1; /* Default to not found */
word32 i; word32 row;
if (clientIp == NULL || serverIp == NULL) { if (clientIp == NULL || serverIp == NULL) {
SetError(BAD_IPVER_STR, error, NULL, 0); SetError(BAD_IPVER_STR, error, NULL, 0);
@@ -7679,33 +7681,40 @@ int ssl_RemoveSession(const char* clientIp, int clientPort,
/* No need to ensure IP versions match - client could use IPv4 while server uses IPv6 */ /* No need to ensure IP versions match - client could use IPv4 while server uses IPv6 */
/* Set up IpInfo and TcpInfo for SessionHash */
XMEMSET(&ipInfo, 0, sizeof(ipInfo));
XMEMSET(&tcpInfo, 0, sizeof(tcpInfo));
/* Set up client->server direction */
ipInfo.src = clientAddr;
ipInfo.dst = serverAddr;
tcpInfo.srcPort = clientPort;
tcpInfo.dstPort = serverPort;
/* Calculate the hash row for this session */
row = SessionHash(&ipInfo, &tcpInfo);
LOCK_SESSION(); LOCK_SESSION();
/* Search through all rows in the session table */ /* Search only the specific row in the session table */
for (i = 0; i < HASH_SIZE; i++) { session = SessionTable[row];
session = SessionTable[i];
while (session) { while (session) {
SnifferSession* next = session->next; SnifferSession* next = session->next;
/* Check if this session matches the specified client/server IP/port */ /* Check if this session matches the specified client/server IP/port */
if (MatchAddr(session->client, clientAddr) && if (MatchAddr(session->client, clientAddr) &&
MatchAddr(session->server, serverAddr) && MatchAddr(session->server, serverAddr) &&
session->cliPort == clientPort && session->cliPort == clientPort &&
session->srvPort == serverPort) { session->srvPort == serverPort) {
/* Use RemoveSession to remove and free the session */ /* Use RemoveSession to remove and free the session */
RemoveSession(session, NULL, NULL, i); RemoveSession(session, NULL, NULL, row);
ret = 0; /* Session found and freed */ ret = 0; /* Session found and freed */
break; break;
}
session = next;
} }
if (ret == 0) { session = next;
break; /* Session found and freed, exit the loop */
}
} }
UNLOCK_SESSION(); UNLOCK_SESSION();