GopherProxy

	Fix haproxy support. - geomyidae - A small C-based gopherd.
	git clone git://bitreich.org/geomyidae/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfri…
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	---
	commit 8de0a5087833495b700c7ce4472df52c397c4cd5
	parent ef96bd3ac67bd8a63756736a172fe34590d45ea5
	Author: Christoph Lohmann <[email protected]>
	Date: Mon, 14 Nov 2022 01:06:49 +0100

	Fix haproxy support.

	Diffstat:
	M main.c \| 26 ++++++++++++++++++++++----

	1 file changed, 22 insertions(+), 4 deletions(-)
	---
	diff --git a/main.c b/main.c
	@@ -916,6 +916,7 @@ main(int argc, char *argv[])
	}
	#endif /* __OpenBSD__ */

	+read_selector_again:
	if (recv(sock, &byte0, 1, MSG_PEEK) < 1)
	return 1;

	@@ -949,7 +950,6 @@ main(int argc, char *argv[])
	return 1;
	}

	-read_selector_again:
	maxrecv = sizeof(recvb) - 1;
	do {
	#ifdef ENABLE_TLS
	@@ -980,6 +980,17 @@ read_selector_again:
	*/
	if (dohaproxy && !strncmp(recvb, "PROXY TCP", 9)) {
	/*
	+ * In case more than proxy tcp was read,
	+ * be pepared.
	+ */
	+ p = strchr(recvb, '\n');
	+ if (p == NULL)
	+ return 1;
	+ if (p[-1] == '\r')
	+ p[-1] = '\0';
	+ *p++ = '\0';
	+
	+ /*
	* Be careful, we are using scanf.
	* TODO: Use some better parsing.
	*/
	@@ -1019,7 +1030,13 @@ read_selector_again:
	logentry(clienth, clientp, "-",
	"haproxy connected");
	}
	- goto read_selector_again;
	+ printf("clienth = %s, clientp = %s, serverh = …
	+ clienth, clientp, serverh, ser…
	+
	+ /* Realign recvb to new value. */
	+ memmove(recvb, p, sizeof(recvb)-(p-recvb));
	+ if (strlen(recvb) < 1)
	+ goto read_selector_again;
	}

	#ifdef ENABLE_TLS
	@@ -1065,8 +1082,9 @@ read_selector_again:
	#endif /* ENABLE_TLS */

	handlerequest(sock, recvb, rlen, base,
	- ohost, sport, clienth,
	- clientp, serverh, serverp,
	+ (dohaproxy)? serverh : ohost,
	+ (dohaproxy)? serverp : sport,
	+ clienth, clientp, serverh, serverp,
	nocgi, istls);

	if (!istls) {