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Transfer-Encoding implemented

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Lorenz Stechauner
2021-05-05 21:30:44 +02:00
parent 45c5f20345
commit ecd4f16afe
4 changed files with 61 additions and 23 deletions
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2
src/lib/fastcgi.c
View File

@ -401,7 +401,7 @@ int fastcgi_send(fastcgi_conn *conn, sock *client, int flags) {
}
} else if (flags & FASTCGI_COMPRESS_GZ) {
flags &= ~FASTCGI_COMPRESS_BR;
if (compress_init(&comp_ctx, COMPRESS_BR) != 0) {
if (compress_init(&comp_ctx, COMPRESS_GZ) != 0) {
print(ERR_STR "Unable to init gzip: %s" CLR_STR, strerror(errno));
flags &= ~FASTCGI_COMPRESS_GZ;
}

68
src/lib/rev_proxy.c
View File

@ -382,7 +382,11 @@ int rev_proxy_send(sock *client, unsigned long len_to_send, int flags) {
// TODO handle websockets
long ret;
char buffer[CHUNK_SIZE];
char comp_out[CHUNK_SIZE];
char buf[256];
long len, snd_len;
int finish_comp = 0;
char *ptr;
compress_ctx comp_ctx;
if (flags & REV_PROXY_COMPRESS_BR) {
@ -393,7 +397,7 @@ int rev_proxy_send(sock *client, unsigned long len_to_send, int flags) {
}
} else if (flags & REV_PROXY_COMPRESS_GZ) {
flags &= ~REV_PROXY_COMPRESS_BR;
if (compress_init(&comp_ctx, COMPRESS_BR) != 0) {
if (compress_init(&comp_ctx, COMPRESS_GZ) != 0) {
print(ERR_STR "Unable to init gzip: %s" CLR_STR, strerror(errno));
flags &= ~REV_PROXY_COMPRESS_GZ;
}
@ -410,29 +414,61 @@ int rev_proxy_send(sock *client, unsigned long len_to_send, int flags) {
len_to_send = strtol(buffer, NULL, 16);
char *pos = strstr(buffer, "\r\n");
len = pos - buffer + 2;
ret = sock_send(client, buffer, len, 0);
sock_recv(&rev_proxy, buffer, len, 0);
if (ret <= 0) break;
if (len_to_send == 0 && (flags & REV_PROXY_COMPRESS)) {
finish_comp = 1;
len = 0;
goto out;
finish:
compress_free(&comp_ctx);
}
}
snd_len = 0;
while (snd_len < len_to_send) {
unsigned long avail_in, avail_out;
len = sock_recv(&rev_proxy, buffer, CHUNK_SIZE < (len_to_send - snd_len) ? CHUNK_SIZE : len_to_send - snd_len, 0);
ret = sock_send(client, buffer, len, 0);
if (ret <= 0) {
print(ERR_STR "Unable to send: %s" CLR_STR, sock_strerror(client));
break;
}
snd_len += ret;
ptr = buffer;
out:
avail_in = len;
void *next_in = ptr;
do {
long buf_len = len;
if (flags & REV_PROXY_COMPRESS) {
avail_out = sizeof(comp_out);
compress_compress(&comp_ctx, next_in + len - avail_in, &avail_in, comp_out, &avail_out,
finish_comp);
ptr = comp_out;
buf_len = (int) (sizeof(comp_out) - avail_out);
snd_len += (long) (len - avail_in);
}
if (buf_len != 0) {
len = sprintf(buf, "%lX\r\n", buf_len);
ret = 1;
if (flags & REV_PROXY_CHUNKED) ret = sock_send(client, buf, len, 0);
if (ret <= 0) goto err;
ret = sock_send(client, ptr, buf_len, 0);
if (ret <= 0) goto err;
if (!(flags & REV_PROXY_COMPRESS)) snd_len += ret;
if (flags & REV_PROXY_CHUNKED) ret = sock_send(client, "\r\n", 2, 0);
if (ret <= 0) {
err:
print(ERR_STR "Unable to send: %s" CLR_STR, sock_strerror(client));
break;
}
}
} while ((flags & REV_PROXY_COMPRESS) && (avail_in != 0 || avail_out != sizeof(comp_out)));
if (ret <= 0) break;
if (finish_comp) goto finish;
}
if (ret <= 0) break;
if (flags & REV_PROXY_CHUNKED) {
sock_recv(&rev_proxy, buffer, 2, 0);
ret = sock_send(client, "\r\n", 2, 0);
if (ret <= 0) {
print(ERR_STR "Unable to send: %s" CLR_STR, sock_strerror(client));
break;
}
}
if (flags & REV_PROXY_CHUNKED) sock_recv(&rev_proxy, buffer, 2, 0);
} while ((flags & REV_PROXY_CHUNKED) && len_to_send > 0);
if (flags & REV_PROXY_CHUNKED) {
sock_send(client, "0\r\n\r\n", 5, 0);
}
return 0;
}

1
src/lib/utils.c
View File

@ -104,6 +104,7 @@ int url_decode(const char *str, char *dec, long *size) {
}
int mime_is_compressible(const char *type) {
if (type == NULL) return 0;
char type_parsed[64];
strncpy(type_parsed, type, sizeof(type_parsed));
char *pos = strchr(type_parsed, ';');