build standalone ipx utilities without ncpfs private headers

2026-04-29 19:17:02 +02:00
parent 80f13f2193
commit ea1cadb737
32 changed files with 11006 additions and 666 deletions
--- a/src/ipxutil.c
+++ b/src/ipxutil.c
@@ -0,0 +1,93 @@
+/*
+ *  Copyright (c) 1999 Petr Vandrovec <vandrove@vc.cvut.cz>
+ *            All Rights Reserved.
+ *
+ *  See file COPYING for details.
+ */
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <netinet/in.h>
+#include <ncp/kernel/ipx.h>
+#include <sys/types.h>
+#include "ipxutil.h"
+
+/* caller must fill sockaddr_ipx with default values... */
+/* it parses string in form NETWORK:NODE/PORT into sockaddr_ipx structure */
+/* you can modify parser by flags: SSIPX_NETWORK = network present
+                                   SSIPX_NODE    = node present
+				   SSIPX_PORT    = port present
+   separators (:, /) are optional if preceeding parts are not expected */
+/* return value: SSIPX_NONE if nothing usable was found, otherwise
+   combination of SSIPX_* reports, what was found and successfully parsed */
+int
+sscanf_ipx_addr(struct sockaddr_ipx *sipx, const char* addr, int flags) {
+	u_int32_t netnum;
+	char* ptr;
+	int retval = SSIPX_NONE;
+	
+	/* skip leading spaces... should we? */
+	while (*addr && isspace(*addr))
+		addr++;
+	if (!*addr)
+		return retval;	/* nothing found */
+	if (flags & SSIPX_NETWORK) {
+		netnum = strtoul(addr, &ptr, 16);
+		if (ptr != addr) {
+			sipx->sipx_network = htonl(netnum);
+			retval |= SSIPX_NETWORK;	/* network was specified */
+			addr = ptr;
+		}
+	}
+	if (flags & SSIPX_NODE) {
+		if ((*addr == ':') || !(flags & SSIPX_NETWORK)) {
+			u_int16_t hi;
+			u_int32_t lo;
+			unsigned int c;
+			const char* scn;
+			/* node... */
+			hi = 0;
+			lo = 0;
+			if (*addr == ':')
+				addr++;
+			scn = addr;
+			while (isxdigit(c=*scn)) {
+				scn++;
+				hi = (hi << 4) | ((lo >> 28) & 0x0F);
+				c -= '0';
+				if (c > 9)
+					c = (c + '0' - 'A' + 10) & 0x0F;
+				lo = (lo << 4) | c;
+			}
+			if (addr != scn) {
+				sipx->sipx_node[0] = hi >> 8;
+				sipx->sipx_node[1] = hi;
+				sipx->sipx_node[2] = lo >> 24;
+				sipx->sipx_node[3] = lo >> 16;
+				sipx->sipx_node[4] = lo >> 8;
+				sipx->sipx_node[5] = lo;
+				retval |= SSIPX_NODE;
+				addr = scn;
+			} /* else syntax error(node empty) */
+		}
+	}
+	if (flags & SSIPX_PORT) {
+		if ((*addr == '/') || (*addr == ':') || 
+		    !(flags & (SSIPX_NETWORK|SSIPX_NODE))) {
+			u_int16_t sock;
+		
+			/* socket... */
+			if ((*addr == '/') || (*addr == ':'))
+				addr++;
+			sock = strtoul(addr, &ptr, 16);
+			if (ptr != addr) {
+				sipx->sipx_port = sock;
+				retval |= SSIPX_PORT;
+				addr = ptr;
+			} /* else syntax error(socket empty) */
+		}
+	}
+	/* if (*addr) syntax error(data after end of address) */
+	return retval;
+}