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/*
* libmowgli: A collection of useful routines for programming.
* linetest.c: Testing of the linebuffer
*
* Copyright (c) 2011 William Pitcock <nenolod@dereferenced.org>
* Copyright (c) 2012 Elizabeth J. Myers <elizabeth@sporksmoo.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <libmowgli-2/mowgli.h>
mowgli_eventloop_t *base_eventloop;
char buf[512];
typedef struct
{
mowgli_linebuf_t *linebuf;
} client_t;
void eat_line(mowgli_linebuf_t *linebuf, char *line, size_t len, void *userdata);
void
write_line(mowgli_linebuf_t *linebuf, char *buf, size_t len)
{
printf("-> %s\n", buf);
mowgli_linebuf_write(linebuf, buf, len);
}
client_t *
create_client(const char *server, const char *port, const char *nick, const char *user, const char *realname)
{
client_t *client;
struct addrinfo hints, *res;
bool use_ssl = false;
mowgli_vio_sockaddr_t addr;
int ret;
mowgli_linebuf_t *linebuf;
if (*port == '+')
{
port++;
use_ssl = true;
}
client = mowgli_alloc(sizeof(client_t));
linebuf = mowgli_linebuf_create(eat_line, client);
client->linebuf = linebuf;
/* Do name res */
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
if ((ret = getaddrinfo(server, port, &hints, &res)) != 0)
{
linebuf->vio->error.op = MOWGLI_VIO_ERR_OP_OTHER;
linebuf->vio->error.type = MOWGLI_VIO_ERR_ERRCODE;
linebuf->vio->error.code = ret;
mowgli_strlcpy(linebuf->vio->error.string, gai_strerror(ret), sizeof(linebuf->vio->error.string));
mowgli_vio_error(linebuf->vio);
return NULL;
}
/* Wrap the VIO object */
if (use_ssl)
if (mowgli_vio_openssl_setssl(linebuf->vio, NULL, NULL) != 0)
return NULL;
/* We have to have a socket before starting the linebuf */
if (mowgli_vio_socket(linebuf->vio, res->ai_family, res->ai_socktype, res->ai_protocol) != 0)
return NULL;
/* Attach the linebuf */
mowgli_linebuf_attach_to_eventloop(linebuf, base_eventloop);
/* Do the connect */
if (mowgli_vio_connect(linebuf->vio, mowgli_vio_sockaddr_from_struct(&addr, res->ai_addr, res->ai_addrlen)) != 0)
return NULL;
/* Write IRC handshake */
snprintf(buf, 512, "USER %s * 8 :%s", user, realname);
write_line(client->linebuf, buf, strlen(buf));
snprintf(buf, 512, "NICK %s", nick);
write_line(client->linebuf, buf, strlen(buf));
return client;
}
void
eat_line(mowgli_linebuf_t *linebuf, char *line, size_t len, void *userdata)
{
char str[512];
/* Avoid malicious lines -- servers shouldn't send them */
if (linebuf->flags & MOWGLI_LINEBUF_LINE_HASNULLCHAR)
return;
strncpy(str, line, sizeof(str));
str[len + 1] = '\0';
printf("<- %s\n", str);
/* Since this is just a basic example, we don't have a real dispatcher :p */
if (strstr(str, "PING"))
{
char *pos = strpbrk(str, ":");
if (pos)
{
char buf[512];
snprintf(buf, 512, "PONG %s", pos);
mowgli_linebuf_write(linebuf, buf, strlen(buf));
}
}
return;
}
int
main(int argc, const char *argv[])
{
client_t *client;
const char *serv, *port;
if (argc < 3)
{
fprintf(stderr, "Not enough arguments\n");
fprintf(stderr, "Usage: %s [server] [(+)port]\n", argv[0]);
fprintf(stderr, "For SSL, put a + in front of port\n");
return EXIT_FAILURE;
}
base_eventloop = mowgli_eventloop_create();
serv = argv[1];
port = argv[2];
client = create_client(serv, port, "Mowglibot", "Mowglibot", "The libmowgli example bot that does nothing useful");
if (client == NULL)
return EXIT_FAILURE;
mowgli_eventloop_run(base_eventloop);
mowgli_free(client);
mowgli_eventloop_destroy(base_eventloop);
return EXIT_SUCCESS;
}
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