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Handle WANT_READ more correctly (thanks to Bodo).

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This commit is contained in:
Ben Laurie 2000-09-05 18:47:57 +00:00
parent 2f043896d1
commit f3f53c8ca5
1 changed files with 24 additions and 5 deletions
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29
demos/state_machine/state_machine.c
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@ -132,8 +132,6 @@ SSLStateMachine *SSLStateMachine_new(const char *szCertificateFile,
die_unless(pMachine->pSSL);
pMachine->pbioRead=BIO_new(BIO_s_mem());
/* Set EOF to return 0 (-1 is the default) */
BIO_ctrl(pMachine->pbioRead,BIO_C_SET_BUF_MEM_EOF_RETURN,0,NULL);
pMachine->pbioWrite=BIO_new(BIO_s_mem());
@ -165,15 +163,36 @@ int SSLStateMachine_read_extract(SSLStateMachine *pMachine,
{
fprintf(stderr,"Doing SSL_accept\n");
n=SSL_accept(pMachine->pSSL);
if(n < 0)
SSLStateMachine_print_error(pMachine,"SSL_accept failed");
if(n == 0)
fprintf(stderr,"SSL_accept returned zero\n");
assert(n >= 0);
if(n < 0)
{
int err;
if((err=SSL_get_error(pMachine->pSSL,n)) == SSL_ERROR_WANT_READ)
{
fprintf(stderr,"SSL_accept wants more data\n");
return 0;
}
SSLStateMachine_print_error(pMachine,"SSL_accept error");
exit(7);
}
return 0;
}
n=SSL_read(pMachine->pSSL,aucBuf,nBuf);
if(n < 0)
{
int err=SSL_get_error(pMachine->pSSL,n);
if(err == SSL_ERROR_WANT_READ)
{
fprintf(stderr,"SSL_read wants more data\n");
return 0;
}
}
fprintf(stderr,"%d bytes of decrypted data read from state machine\n",n);
return n;
}