diff options
Diffstat (limited to 'net/nfs.c')
| -rw-r--r-- | net/nfs.c | 42 |
1 files changed, 33 insertions, 9 deletions
@@ -26,6 +26,10 @@ * NFSv2 is still used by default. But if server does not support NFSv2, then * NFSv3 is used, if available on NFS server. */ +/* NOTE 5: NFSv1 support added by Christian Gmeiner, Thomas Rienoessl, + * September 27, 2018. As of now, NFSv3 is the default choice. If the server + * does not support NFSv3, we fall back to versions 2 or 1. */ + #include <common.h> #include <command.h> #include <display_options.h> @@ -78,6 +82,7 @@ static char nfs_path_buff[2048]; enum nfs_version { NFS_UNKOWN = 0, + NFS_V1 = 1, NFS_V2 = 2, NFS_V3 = 3, }; @@ -192,6 +197,7 @@ static void rpc_req(int rpc_prog, int rpc_proc, uint32_t *data, int datalen) switch (rpc_prog) { case PROG_NFS: switch (choosen_nfs_version) { + case NFS_V1: case NFS_V2: rpc_pkt.u.call.vers = htonl(2); break; @@ -205,8 +211,26 @@ static void rpc_req(int rpc_prog, int rpc_proc, uint32_t *data, int datalen) break; } break; - case PROG_PORTMAP: case PROG_MOUNT: + switch (choosen_nfs_version) { + case NFS_V1: + rpc_pkt.u.call.vers = htonl(1); + break; + + case NFS_V2: + rpc_pkt.u.call.vers = htonl(2); + break; + + case NFS_V3: + rpc_pkt.u.call.vers = htonl(3); + break; + + case NFS_UNKOWN: + /* nothing to do */ + break; + } + break; + case PROG_PORTMAP: default: rpc_pkt.u.call.vers = htonl(2); /* portmapper is version 2 */ } @@ -311,7 +335,7 @@ static void nfs_readlink_req(void) p = &(data[0]); p = rpc_add_credentials(p); - if (choosen_nfs_version == NFS_V2) { + if (choosen_nfs_version != NFS_V3) { memcpy(p, filefh, NFS_FHSIZE); p += (NFS_FHSIZE / 4); } else { /* NFS_V3 */ @@ -340,7 +364,7 @@ static void nfs_lookup_req(char *fname) p = &(data[0]); p = rpc_add_credentials(p); - if (choosen_nfs_version == NFS_V2) { + if (choosen_nfs_version != NFS_V3) { memcpy(p, dirfh, NFS_FHSIZE); p += (NFS_FHSIZE / 4); *p++ = htonl(fnamelen); @@ -380,7 +404,7 @@ static void nfs_read_req(int offset, int readlen) p = &(data[0]); p = rpc_add_credentials(p); - if (choosen_nfs_version == NFS_V2) { + if (choosen_nfs_version != NFS_V3) { memcpy(p, filefh, NFS_FHSIZE); p += (NFS_FHSIZE / 4); *p++ = htonl(offset); @@ -410,13 +434,13 @@ static void nfs_send(void) switch (nfs_state) { case STATE_PRCLOOKUP_PROG_MOUNT_REQ: - if (choosen_nfs_version == NFS_V2) + if (choosen_nfs_version != NFS_V3) rpc_lookup_req(PROG_MOUNT, 1); else /* NFS_V3 */ rpc_lookup_req(PROG_MOUNT, 3); break; case STATE_PRCLOOKUP_PROG_NFS_REQ: - if (choosen_nfs_version == NFS_V2) + if (choosen_nfs_version != NFS_V3) rpc_lookup_req(PROG_NFS, 2); else /* NFS_V3 */ rpc_lookup_req(PROG_NFS, 3); @@ -457,7 +481,7 @@ static int rpc_handle_error(struct rpc_t *rpc_pkt) const int min = ntohl(rpc_pkt->u.reply.data[0]); const int max = ntohl(rpc_pkt->u.reply.data[1]); - if (max < NFS_V2 || max > NFS_V3 || min > NFS_V3) { + if (max < NFS_V1 || max > NFS_V3 || min > NFS_V3) { puts("*** ERROR: NFS version not supported"); debug(": Requested: V%d, accepted: min V%d - max V%d\n", choosen_nfs_version, @@ -588,7 +612,7 @@ static int nfs_lookup_reply(uchar *pkt, unsigned len) if (ret) return ret; - if (choosen_nfs_version == NFS_V2) { + if (choosen_nfs_version != NFS_V3) { if (((uchar *)&(rpc_pkt.u.reply.data[0]) - (uchar *)(&rpc_pkt) + NFS_FHSIZE) > len) return -NFS_RPC_DROP; memcpy(filefh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); @@ -712,7 +736,7 @@ static int nfs_read_reply(uchar *pkt, unsigned len) if (!(nfs_offset % ((NFS_READ_SIZE / 2) * 10))) putc('#'); - if (choosen_nfs_version == NFS_V2) { + if (choosen_nfs_version != NFS_V3) { rlen = ntohl(rpc_pkt.u.reply.data[18]); data_ptr = (uchar *)&(rpc_pkt.u.reply.data[19]); } else { /* NFS_V3 */ |