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80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/*
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* This file is part of the sslsosk project.
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* Copyright 2023 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <usefull_macros.h>
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#include "client.h"
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static int SSL_nbread(SSL *ssl, char *buf, int bufsz){
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struct pollfd fds = {0};
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int fd = SSL_get_fd(ssl);
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fds.fd = fd;
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fds.events = POLLIN;
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if(poll(&fds, 1, 1) < 0){ // wait no more than 1ms
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LOGWARN("SSL_nbread(): poll() failed");
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WARNX("poll()");
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return 0;
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}
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if(fds.revents == POLLIN){
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// DBG("Got info in fd #%d", fd);
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int l = read_string(ssl, buf, bufsz);
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// DBG("read %d bytes", l);
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return l;
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}
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return 0;
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}
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void clientproc(SSL_CTX *ctx, int fd){
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FNAME();
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SSL *ssl;
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char buf[1024];
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char acClientRequest[1024] = {0};
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int bytes;
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ssl = SSL_new(ctx);
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SSL_set_fd(ssl, fd);
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int c = SSL_connect(ssl);
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if(c < 0){
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LOGERR("SSL_connect()");
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ERRX("SSL_connect() error: %d", SSL_get_error(ssl, c));
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}
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int enable = 1;
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if(ioctl(fd, FIONBIO, (void *)&enable) < 0){
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LOGERR("Can't make socket nonblocking");
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ERRX("ioctl()");
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}
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double t0 = dtime();
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int N = 0;
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while(1){
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if(dtime() - t0 > 3.){
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// DBG("Sent test message");
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sprintf(acClientRequest, "Test connection #%d\n", ++N);
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SSL_write(ssl, acClientRequest, strlen(acClientRequest));
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t0 = dtime();
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}
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bytes = SSL_nbread(ssl, buf, sizeof(buf));
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if(bytes > 0){
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buf[bytes] = 0;
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printf("Received: \"%s\"\n", buf);
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}else if(bytes < 0){
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LOGWARN("Server disconnected or other error");
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ERRX("Disconnected");
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}
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}
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SSL_free(ssl);
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}
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