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wolfssl-examples
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removed additional methods so that the code reads linearly and fixed session not resuming error in client-psk-resume

pull/54/head
Conner 2017-05-31 09:53:05 -06:00
parent bdf4b25e00
commit 4352c413f9
1 changed files with 28 additions and 37 deletions
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65
psk/client-psk-resume.c
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@ -60,36 +60,11 @@ static inline unsigned int My_Psk_Client_Cb(WOLFSSL* ssl, const char* hint,
return 4;
}
/*
* this function will send the inputted string to the server and then
* recieve the string from the server outputing it to the termial
*/
int SendReceive(WOLFSSL* ssl)
{
char sendline[MAXLINE]="Hello Server"; /* string to send to the server */
char recvline[MAXLINE]; /* string received from the server */
/* write string to the server */
if (wolfSSL_write(ssl, sendline, MAXLINE) != sizeof(sendline)) {
printf("Write Error to Server\n");
return 1;
}
/* flags if the Server stopped before the client could end */
if (wolfSSL_read(ssl, recvline, MAXLINE) < 0 ) {
printf("Client: Server Terminated Prematurely!\n");
return 1;
}
/* show message from the server */
printf("Server Message: %s\n", recvline);
return 0;
}
int main(int argc, char **argv){
int sockfd, sock, ret;
char sendline[MAXLINE]="Hello Server"; /* string to send to the server */
char recvline[MAXLINE]; /* string received from the server */
WOLFSSL* ssl;
WOLFSSL* sslResume = 0;
WOLFSSL_SESSION* session = 0;
@ -146,7 +121,19 @@ int main(int argc, char **argv){
wolfSSL_set_fd(ssl, sockfd);
/* takes inputting string and outputs it to the server */
SendReceive(ssl);
if (wolfSSL_write(ssl, sendline, sizeof(sendline)) != sizeof(sendline)) {
printf("Write Error to Server\n");
return 1;
}
/* flags if the Server stopped before the client could end */
if (wolfSSL_read(ssl, recvline, MAXLINE) < 0 ) {
printf("Client: Server Terminated Prematurely!\n");
return 1;
}
/* show message from the server */
printf("Server Message: %s\n", recvline);
/* Save the session ID to reuse */
session = wolfSSL_get_session(ssl);
@ -158,9 +145,8 @@ int main(int argc, char **argv){
/* close connection */
close(sockfd);
/* cleanup without wolfSSL_Cleanup() for now */
/* cleanup without wolfSSL_Cleanup() and wolfSSL_CTX_free() for now */
wolfSSL_free(ssl);
wolfSSL_CTX_free(ctx);
/*
* resume session, start new connection and socket
@ -186,25 +172,30 @@ int main(int argc, char **argv){
return 1;
}
/* takes inputting string and outputs it to the server */
ret = SendReceive(sslResume);
if (ret != 0) {
if (wolfSSL_write(sslResume, sendline, sizeof(sendline)) != sizeof(sendline)) {
printf("Write Error to Server\n");
return 1;
}
/* flags if the Server stopped before the client could end */
if (wolfSSL_read(sslResume, recvline, MAXLINE) < 0 ) {
printf("Client: Server Terminated Prematurely!\n");
return 1;
}
/* show message from the server */
printf("Server Message: %s\n", recvline);
/* check to see if the session id is being reused */
if (wolfSSL_session_reused(sslResume)) {
printf("reused session id\n");
}
else
else{
printf("didn't reuse session id!!!\n");
}
/* shut down wolfSSL */
wolfSSL_shutdown(sslResume);
/* shut down socket */
close(sock);
/* clean up now with wolfSSL_Cleanup() */
wolfSSL_free(sslResume);
wolfSSL_CTX_free(ctx);