Simplified NFS proxy based on own NFS/XDR implementation

2022-05-07 01:01:20 +03:00
parent a2189100dd
commit 7c2379d458
34 changed files with 10868 additions and 11 deletions
@@ -0,0 +1,168 @@
+/*
+Copyright (c) 2014, Ronnie Sahlberg
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer. 
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+The views and conclusions contained in the software and documentation are those
+of the authors and should not be interpreted as representing official policies, 
+either expressed or implied, of the FreeBSD Project.
+*/
+
+const PMAP_PORT = 111;      /* portmapper port number */
+
+struct pmap2_mapping {
+	unsigned int prog;
+	unsigned int vers;
+	unsigned int prot;
+	unsigned int port;
+};
+
+struct pmap2_call_args {
+	unsigned int prog;
+	unsigned int vers;
+	unsigned int proc;
+	opaque args<>;
+};
+
+struct pmap2_call_result {
+	unsigned int port;
+	opaque res<>;
+};
+
+struct pmap2_mapping_list {
+	pmap2_mapping map;
+	pmap2_mapping_list *next;
+};
+
+struct pmap2_dump_result {
+	struct pmap2_mapping_list *list;
+};
+
+struct pmap3_string_result {
+	string addr<>;
+};
+
+struct pmap3_mapping {
+	unsigned int prog;
+	unsigned int vers;
+	string netid<>;
+	string addr<>;
+	string owner<>;
+};
+
+struct pmap3_mapping_list {
+	pmap3_mapping map;
+	pmap3_mapping_list *next;
+};
+
+struct pmap3_dump_result {
+	struct pmap3_mapping_list *list;
+};
+
+struct pmap3_call_args {
+	unsigned int prog;
+	unsigned int vers;
+	unsigned int proc;
+	opaque args<>;
+};
+
+struct pmap3_call_result {
+	unsigned int port;
+	opaque res<>;
+};
+
+struct pmap3_netbuf {
+	unsigned int maxlen;
+	/* This pretty much contains a sockaddr_storage.
+	 * Beware differences in endianess for ss_family
+	 * and whether or not ss_len exists.
+	 */
+	opaque buf<>;
+};
+
+typedef pmap2_mapping     PMAP2SETargs;
+typedef pmap2_mapping     PMAP2UNSETargs;
+typedef pmap2_mapping     PMAP2GETPORTargs;
+typedef pmap2_call_args   PMAP2CALLITargs;
+typedef pmap2_call_result PMAP2CALLITres;
+typedef pmap2_dump_result PMAP2DUMPres;
+
+typedef pmap3_mapping       PMAP3SETargs;
+typedef pmap3_mapping       PMAP3UNSETargs;
+typedef pmap3_mapping       PMAP3GETADDRargs;
+typedef pmap3_string_result PMAP3GETADDRres;
+typedef pmap3_dump_result   PMAP3DUMPres;
+typedef pmap3_call_result   PMAP3CALLITargs;
+typedef pmap3_call_result   PMAP3CALLITres;
+typedef pmap3_netbuf        PMAP3UADDR2TADDRres;
+typedef pmap3_netbuf        PMAP3TADDR2UADDRargs;
+typedef pmap3_string_result PMAP3TADDR2UADDRres;
+
+program PMAP_PROGRAM {
+	version PMAP_V2 {
+		void
+		PMAP2_NULL(void)              = 0;
+
+		uint32_t
+		PMAP2_SET(PMAP2SETargs)       = 1;
+
+		uint32_t
+		PMAP2_UNSET(PMAP2UNSETargs)   = 2;
+
+		uint32_t
+		PMAP2_GETPORT(PMAP2GETPORTargs) = 3;
+
+		PMAP2DUMPres
+		PMAP2_DUMP(void)               = 4;
+
+		PMAP2CALLITres
+		PMAP2_CALLIT(PMAP2CALLITargs)  = 5;
+	} = 2;
+	version PMAP_V3 {
+		void
+		PMAP3_NULL(void)              = 0;
+
+		uint32_t
+		PMAP3_SET(PMAP3SETargs)       = 1;
+
+		uint32_t
+		PMAP3_UNSET(PMAP3UNSETargs)   = 2;
+
+		PMAP3GETADDRres
+		PMAP3_GETADDR(PMAP3GETADDRargs) = 3;
+
+		PMAP3DUMPres
+		PMAP3_DUMP(void)              = 4;
+
+		PMAP3CALLITres
+		PMAP3_CALLIT(PMAP3CALLITargs) = 5;
+
+		uint32_t
+		PMAP3_GETTIME(void)           = 6;
+
+		PMAP3UADDR2TADDRres
+		PMAP3_UADDR2TADDR(string)     = 7;
+
+		PMAP3TADDR2UADDRres
+		PMAP3_TADDR2UADDR(PMAP3TADDR2UADDRargs) = 8;
+	} = 3;
+} = 100000;