demos/easy_tls/easy-tls.c

104 #include <openssl/ssl.h>
112 #include "easy-tls.h"           /* include after <openssl/ssl.h> if both are
930 static void write_info(SSL *ssl, int *info_fd)
940         v = SSL_get_verify_result(ssl);
945             peercert = SSL_get_peer_certificate(ssl);
972     SSL *ssl;
992     ssl = SSL_new(ctx);
993     if (ssl == NULL)
996     if (!SSL_set_fd(ssl, tls_fd))
998     rbio = SSL_get_rbio(ssl);
999     wbio = SSL_get_wbio(ssl);   /* should be the same, but who cares */
1003         SSL_set_connect_state(ssl);
1005         SSL_set_accept_state(ssl);
1033                 r = tls_connect_attempt(ssl, &tls_write_select,
1037                 r = tls_accept_attempt(ssl, &tls_write_select,
1041                 write_info(ssl, &info_fd);
1046             if (!SSL_in_init(ssl)) {
1048                 write_info(ssl, &info_fd);
1055             r = tls_write_attempt(ssl, &clear_to_tls, &tls_write_select,
1089                     r = SSL_shutdown(ssl);
1098                 r = tls_read_attempt(ssl, &tls_to_clear, &tls_write_select,
1104                     r = SSL_shutdown(ssl);
1136 tls_get_error(SSL *ssl, int r, int *write_select, int *read_select,
1139     int err = SSL_get_error(ssl, r);
1169 tls_connect_attempt(SSL *ssl, int *write_select, int *read_select,
1175     n = SSL_connect(ssl);
1177     r = tls_get_error(ssl, n, write_select, read_select, closed, progress);
1184 tls_accept_attempt(SSL *ssl, int *write_select, int *read_select, int *closed,
1190     n = SSL_accept(ssl);
1192     r = tls_get_error(ssl, n, write_select, read_select, closed, progress);
1199 tls_write_attempt(SSL *ssl, struct tunnelbuf *buf, int *write_select,
1206     n = SSL_write(ssl, buf->buf + buf->offset, buf->len);
1208     r = tls_get_error(ssl, n, write_select, read_select, closed, progress);
1223 tls_read_attempt(SSL *ssl, struct tunnelbuf *buf, int *write_select,
1233     n = SSL_read(ssl, buf->buf + total, (sizeof buf->buf) - total);
1235     r = tls_get_error(ssl, n, write_select, read_select, closed, progress);