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made OCSP callback not dependent on stdio

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This commit is contained in:
John Safranek 2014-05-05 16:11:02 -07:00
parent 2f39b50063
commit ec13f65ef0
1 changed files with 64 additions and 10 deletions
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74
src/io.c
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@ -503,6 +503,38 @@ int EmbedGenerateCookie(CYASSL* ssl, byte *buf, int sz, void *ctx)
#ifdef HAVE_OCSP
static int Word16ToString(char* d, word16 number)
{
int i = 0;
if (d != NULL) {
word16 order = 10000;
word16 digit;
if (number == 0) {
d[i++] = '0';
}
else {
while (order) {
digit = number / order;
if (i > 0 || digit != 0) {
d[i++] = digit + '0';
}
if (digit != 0)
number %= digit * order;
if (order > 1)
order /= 10;
else
order = 0;
}
}
d[i] = 0;
}
return i;
}
static int tcp_connect(SOCKET_T* sockfd, const char* ip, word16 port)
{
struct sockaddr_storage addr;
@ -513,15 +545,17 @@ static int tcp_connect(SOCKET_T* sockfd, const char* ip, word16 port)
{
struct addrinfo hints;
struct addrinfo* answer = NULL;
char strPort[8];
char strPort[6];
XMEMSET(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
XSNPRINTF(strPort, sizeof(strPort), "%d", port);
strPort[7] = '\0';
if (Word16ToString(strPort, port) == 0) {
CYASSL_MSG("invalid port number for OCSP responder");
return -1;
}
if (getaddrinfo(ip, strPort, &hints, &answer) < 0 || answer == NULL) {
CYASSL_MSG("no addr info for OCSP responder");
@ -569,13 +603,33 @@ static int tcp_connect(SOCKET_T* sockfd, const char* ip, word16 port)
static int build_http_request(const char* domainName, const char* path,
int ocspReqSz, byte* buf, int bufSize)
{
return XSNPRINTF((char*)buf, bufSize,
"POST %s HTTP/1.1\r\n"
"Host: %s\r\n"
"Content-Length: %d\r\n"
"Content-Type: application/ocsp-request\r\n"
"\r\n",
path, domainName, ocspReqSz);
word32 domainNameLen, pathLen, ocspReqSzStrLen, completeLen;
char ocspReqSzStr[6];
domainNameLen = (word32)XSTRLEN(domainName);
pathLen = (word32)XSTRLEN(path);
ocspReqSzStrLen = Word16ToString(ocspReqSzStr, ocspReqSz);
completeLen = domainNameLen + pathLen + ocspReqSzStrLen + 84;
if (completeLen > (word32)bufSize)
return 0;
XSTRNCPY((char*)buf, "POST ", 5);
buf += 5;
XSTRNCPY((char*)buf, path, pathLen);
buf += pathLen;
XSTRNCPY((char*)buf, " HTTP/1.1\r\nHost: ", 17);
buf += 17;
XSTRNCPY((char*)buf, domainName, domainNameLen);
buf += domainNameLen;
XSTRNCPY((char*)buf, "\r\nContent-Length: ", 18);
buf += 18;
XSTRNCPY((char*)buf, ocspReqSzStr, ocspReqSzStrLen);
buf += ocspReqSzStrLen;
XSTRNCPY((char*)buf,
"\r\nContent-Type: application/ocsp-request\r\n\r\n", 44);
return completeLen;
}