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Refactor proxy and socket a bit

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This commit is contained in:
Lorenz Stechauner
2023-01-23 11:04:53 +01:00
parent d461ba6f29
commit 8b63d2cf32
2 changed files with 28 additions and 20 deletions
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5
src/lib/proxy.c
View File

@@ -567,7 +567,7 @@ int proxy_init(proxy_ctx_t **proxy_ptr, http_req *req, http_res *res, http_statu
int proxy_send(proxy_ctx_t *proxy, sock *client, unsigned long len_to_send, int flags) {
char buffer[CHUNK_SIZE], buf[256], *ptr;
long ret = 0, len, snd_len;
long ret = 0, snd_len;
do {
snd_len = 0;
@@ -593,10 +593,9 @@ int proxy_send(proxy_ctx_t *proxy, sock *client, unsigned long len_to_send, int
}
ptr = buffer;
long buf_len = ret;
len = sprintf(buf, "%lX\r\n", buf_len);
ret = 1;
if (flags & PROXY_CHUNKED) ret = sock_send_x(client, buf, len, 0);
if (flags & PROXY_CHUNKED) ret = sock_send_x(client, buf, sprintf(buf, "%lX\r\n", buf_len), 0);
if (ret <= 0) goto err;
ret = sock_send_x(client, ptr, buf_len, 0);

43
src/lib/sock.c
View File

@@ -163,20 +163,23 @@ long sock_recv_x(sock *s, void *buf, unsigned long len, int flags) {
}
long sock_splice(sock *dst, sock *src, void *buf, unsigned long buf_len, unsigned long len) {
long ret;
unsigned long send_len = 0;
unsigned long next_len;
while (send_len < len) {
next_len = (buf_len < (len - send_len)) ? buf_len : (len - send_len);
ret = sock_recv(src, buf, next_len, 0);
if (ret <= 0) return -2;
next_len = ret;
ret = sock_send(dst, buf, next_len, send_len + next_len < len ? MSG_MORE : 0);
if (ret < 0) return -1;
if (ret != next_len) return -3;
send_len += next_len;
long send_len = 0;
for (long ret, next_len; send_len < len; send_len += ret) {
next_len = (long) ((buf_len < (len - send_len)) ? buf_len : (len - send_len));
if ((ret = sock_recv(src, buf, next_len, MSG_WAITALL)) <= 0) {
if (errno == EINTR) {
errno = 0, ret = 0;
continue;
} else {
return -1;
}
}
if (sock_send_x(dst, buf, ret, send_len + ret < len ? MSG_MORE : 0) == -1)
return -1;
}
return (long) send_len;
return send_len;
}
long sock_splice_chunked(sock *dst, sock *src, void *buf, unsigned long buf_len, int flags) {
@@ -185,13 +188,15 @@ long sock_splice_chunked(sock *dst, sock *src, void *buf, unsigned long buf_len,
while (!(flags & SOCK_SINGLE_CHUNK)) {
ret = sock_get_chunk_header(src);
if (ret < 0) return -2;
if (ret < 0) {
errno = EPROTO;
return -2;
}
next_len = ret;
if (flags & SOCK_CHUNKED) {
ret = sprintf(buf, "%lX\r\n", next_len);
if (sock_send_x(dst, buf, ret, 0) == -1)
if (sock_send_x(dst, buf, sprintf(buf, "%lX\r\n", next_len), 0) == -1)
return -1;
}
@@ -208,8 +213,12 @@ long sock_splice_chunked(sock *dst, sock *src, void *buf, unsigned long buf_len,
return -1;
}
if (sock_recv_x(src, buf, 2, 0) == -1)
if (sock_recv_x(src, buf, 2, 0) == -1) {
return -1;
} else if (strncmp(buf, "\r\n", 2) != 0) {
errno = EPROTO;
return -2;
}
}
return (long) send_len;