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Code Issues Releases Wiki Activity

Patches to make callback non-blocking (from Juliusz).

pull/224/head
David Garske 2022-05-27 16:11:35 -07:00
parent b6e89d67ca
commit 345b90e5f0
1 changed files with 32 additions and 10 deletions
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42
ocsp/ocsp_nonblock/ocsp_nonblock.c
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@ -42,16 +42,31 @@ static const char* kGoogleCom = "google.pem"; /* www.google.com */
static int io_timeout_sec = DEFAULT_TIMEOUT_SEC;
static SOCKET_T sfd = SOCKET_INVALID;
static word16 port;
static int ret = -1;
static char path[MAX_URL_ITEM_SIZE];
static char domainName[MAX_URL_ITEM_SIZE];
static int nonBlockCnt = 0;
static byte* httpBuf;
/* Return size of the OCSP response or negative for error */
static int OcspLookupNonBlockCb(void* ctx, const char* url, int urlSz,
byte* ocspReqBuf, int ocspReqSz, byte** ocspRespBuf)
{
SOCKET_T sfd = SOCKET_INVALID;
word16 port;
int ret = -1;
char path[MAX_URL_ITEM_SIZE];
char domainName[MAX_URL_ITEM_SIZE];
int nonBlockCnt = 0;
if (sfd != SOCKET_INVALID) {
ret = wolfIO_HttpProcessResponseOcsp(sfd, ocspRespBuf,
httpBuf, HTTP_SCRATCH_BUFFER_SIZE, ctx);
nonBlockCnt++;
if (ret == OCSP_WANT_READ)
return WOLFSSL_CBIO_ERR_WANT_READ;
printf("OCSP Response: ret %d, nonblock count %d\n",
ret, nonBlockCnt);
XFREE(httpBuf, ctx, DYNAMIC_TYPE_OCSP);
httpBuf = NULL;
return ret;
}
if (ocspReqBuf == NULL || ocspReqSz == 0) {
printf("OCSP request is required for lookup\n");
@ -65,7 +80,7 @@ static int OcspLookupNonBlockCb(void* ctx, const char* url, int urlSz,
else {
/* Note: This is free'd in OcspRespFreeCb callback */
int httpBufSz = HTTP_SCRATCH_BUFFER_SIZE;
byte* httpBuf = (byte*)XMALLOC(httpBufSz, NULL, DYNAMIC_TYPE_OCSP);
httpBuf = (byte*)XMALLOC(httpBufSz, NULL, DYNAMIC_TYPE_OCSP);
printf("OCSP Lookup:\n");
printf("\tURL: %s\n", url);
@ -99,6 +114,8 @@ static int OcspLookupNonBlockCb(void* ctx, const char* url, int urlSz,
ret = wolfIO_HttpProcessResponseOcsp(sfd, ocspRespBuf,
httpBuf, HTTP_SCRATCH_BUFFER_SIZE, NULL);
nonBlockCnt++;
if (ret == OCSP_WANT_READ)
return WOLFSSL_CBIO_ERR_WANT_READ;
} while (ret == OCSP_WANT_READ);
printf("OCSP Response: ret %d, nonblock count %d\n",
ret, nonBlockCnt);
@ -110,8 +127,10 @@ static int OcspLookupNonBlockCb(void* ctx, const char* url, int urlSz,
if (sfd != SOCKET_INVALID)
CloseSocket(sfd);
XFREE(httpBuf, ctx, DYNAMIC_TYPE_OCSP);
httpBuf = NULL;
}
}
printf("Resp ret: %d\n", ret);
return ret;
}
@ -119,6 +138,7 @@ static void OcspRespFreeCb(void* ctx, byte *resp)
{
if (resp)
XFREE(resp, NULL, DYNAMIC_TYPE_OCSP);
httpBuf = NULL;
(void)ctx;
}
@ -130,7 +150,7 @@ int main(int argc, char** argv)
char pem[2048];
int pemSz = 0;
byte der[2000];
int derSz;
int derSz = 0;
FILE* file;
const char* certFile = kGoogleCom;
@ -191,8 +211,10 @@ int main(int argc, char** argv)
#ifdef HAVE_OCSP
if (ret == WOLFSSL_SUCCESS) {
/* Check OCSP for certificate */
ret = wolfSSL_CertManagerCheckOCSP(pCm,
der, derSz);
do {
ret = wolfSSL_CertManagerCheckOCSP(pCm,
der, derSz);
} while (ret == OCSP_WANT_READ);
printf("Check OCSP for Google.com (ret %d)\n", ret);
}
#endif