File size: 1,175 Bytes
8be366a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | /*
* streams.c
*
* Created on: Nov 17, 2015
* Author: root
*/
#include <stdio.h>
#include <unistd.h>
#include <openssl/ssl.h>
ssize_t readLine(int fd, char* line, size_t len) {
if (len >= 1) line[0] = 0;
char b = 0;
int s = 0;
int i = 0;
do {
s = read(fd, &b, 1);
if ((s == 0 && i == 0) || s < 0) {
return -1;
}
if (s == 0) {
break;
}
if (s > 0 && b != 13 && b != 10) {
line[i++] = b;
}
} while (b > -1 && s > 0 && b != 10 && i < len - 1);
line[i] = 0;
return i;
}
ssize_t writeLine(int fd, char* line, size_t len) {
static char nl[2] = { 0x0A, 0x0D };
int i = 0;
while (i < len) {
int x = write(fd, line + i, len - i);
if (x < 0) return -1;
i += x;
}
int i2 = 0;
while (i2 < 2) {
int y = write(fd, nl + i2, 2 - i2);
if (y < 0) return -1;
i2 += y;
}
return i;
}
ssize_t writeLineSSL(SSL* session, char* line, size_t len) {
static char nl[2] = { 0x0A, 0x0D };
size_t i = 0;
while (i < len) {
int x = SSL_write(session, line + i, len - i);
if (x < 0) return -1;
i += x;
}
int i2 = 0;
while (i2 < 2) {
int y = SSL_write(session, nl + i2, 2 - i2);
if (y < 0) return -1;
i2 += y;
}
return i;
}
|