int
isns_authblock_decode(buf_t *bp, struct isns_authblk *auth)
{
unsigned int avail = buf_avail(bp);
if (!buf_get32(bp, &auth->iab_bsd)
|| !buf_get32(bp, &auth->iab_length)
|| !buf_get64(bp, &auth->iab_timestamp)
|| !buf_get32(bp, &auth->iab_spi_len))
return 0;
/* Make sure the length specified by the auth block
* is reasonable. */
if (auth->iab_length < ISNS_AUTHBLK_SIZE
|| auth->iab_length > avail)
return 0;
/* This chops off any data trailing the auth block.
* It also makes sure that we detect if iab_length
* exceeds the amount of available data. */
if (!buf_truncate(bp, auth->iab_length - ISNS_AUTHBLK_SIZE))
return 0;
auth->iab_spi = buf_head(bp);
if (!buf_pull(bp, auth->iab_spi_len))
return 0;
auth->iab_sig = buf_head(bp);
auth->iab_sig_len = buf_avail(bp);
return 1;
}
int main()
{
int conn, len;
const char *head = "HEAD /img/baidu_sylogo1.gif HTTP/1.1\r\nhost:www.baidu.com\r\nconnection:close\r\n\r\n";
const char *get = "GET /img/baidu_sylogo1.gif HTTP/1.1\nhost:www.baidu.com\nconnection:keepalive\n\n";
char buf_recv[256], get_buf[1024];
struct buf_s *buf=buf_mmap(16*1024, "buf.data");
conn = sk_connect("www.baidu.com", 80);
if (conn == -1) {
perror("connect err..");
return 1;
}
// sk_nonblock(conn);
send(conn, get, strlen(get), 0);
if (buf == NULL) {
perror("buf_mmap err");
return 1;
}
printf("file:%s, len:%u\n", buf->buf_file, (unsigned)buf->buf_len);
while (1) {
len = recv(conn, buf_recv, sizeof(buf_recv), 0);
if (len == -1) {
perror("recv err...\n");
break;
}
if (len == 0) {
printf("connection close.\n");
break;
}
printf("recv len:%d\n", len);
if (buf_append(buf, (u_char*)buf_recv, len) == -1) {
perror("buf_append err.");
}
}
//hexdump(buf->buf_pos, buf->buf_len);
printf("len:%d\n", (int)buf->buf_len);
buf_pull(buf, (u_char*)get_buf, 1024);
printf("len:%d\n", (int)buf->buf_len);
//hexdump((u_char*)get_buf, 1024);
//hexdump(buf->buf_start, buf->buf_len+1024);
// printf("buf:%s\n", buf->buf_pos);
errno = EPIPE;
printf("close:%d\n", close(conn));
printf("errno:%d\n", errno);
buf_free(buf);
return 0;
}
