Add support for NFS for file download * Minor code cleanupmaster
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074cff0d28
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cbd8a35c6d
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/*
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* NFS support driver - based on etherboot and U-BOOT's tftp.c |
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* |
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* Masami Komiya <mkomiya@sonare.it> 2004 |
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* |
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*/ |
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/* NOTE: the NFS code is heavily inspired by the NetBSD netboot code (read:
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* large portions are copied verbatim) as distributed in OSKit 0.97. A few |
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* changes were necessary to adapt the code to Etherboot and to fix several |
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* inconsistencies. Also the RPC message preparation is done "by hand" to |
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* avoid adding netsprintf() which I find hard to understand and use. */ |
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/* NOTE 2: Etherboot does not care about things beyond the kernel image, so
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* it loads the kernel image off the boot server (ARP_SERVER) and does not |
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* access the client root disk (root-path in dhcpd.conf), which would use |
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* ARP_ROOTSERVER. The root disk is something the operating system we are |
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* about to load needs to use. This is different from the OSKit 0.97 logic. */ |
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/* NOTE 3: Symlink handling introduced by Anselm M Hoffmeister, 2003-July-14
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* If a symlink is encountered, it is followed as far as possible (recursion |
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* possible, maximum 16 steps). There is no clearing of ".."'s inside the |
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* path, so please DON'T DO THAT. thx. */ |
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#include <common.h> |
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#include <command.h> |
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#include <net.h> |
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#include <malloc.h> |
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#include "nfs.h" |
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#include "bootp.h" |
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/*#define NFS_DEBUG*/ |
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#if ((CONFIG_COMMANDS & CFG_CMD_NET) && (CONFIG_COMMANDS & CFG_CMD_NFS)) |
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#define HASHES_PER_LINE 65 /* Number of "loading" hashes per line */ |
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#define NFS_TIMEOUT 10 |
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static int fs_mounted = 0; |
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static unsigned long rpc_id; |
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static int nfs_offset = -1; |
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static int nfs_len; |
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static char dirfh[NFS_FHSIZE]; /* file handle of directory */ |
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static char filefh[NFS_FHSIZE]; /* file handle of kernel image */ |
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static IPaddr_t NfsServerIP; |
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static int NfsSrvMountPort; |
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static int NfsSrvNfsPort; |
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static int NfsOurPort; |
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static int NfsTimeoutCount; |
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static int NfsState; |
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#define STATE_PRCLOOKUP_PROG_MOUNT_REQ 1 |
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#define STATE_PRCLOOKUP_PROG_NFS_REQ 2 |
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#define STATE_MOUNT_REQ 3 |
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#define STATE_UMOUNT_REQ 4 |
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#define STATE_LOOKUP_REQ 5 |
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#define STATE_READ_REQ 6 |
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#define STATE_READLINK_REQ 7 |
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static char default_filename[64]; |
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static char *nfs_filename; |
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static char *nfs_path; |
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static char nfs_path_buff[2048]; |
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static __inline__ void |
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store_block (uchar * src, unsigned offset, unsigned len) |
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{ |
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#ifdef CFG_DIRECT_FLASH_NFS |
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int i, rc = 0; |
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for (i=0; i<CFG_MAX_FLASH_BANKS; i++) { |
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/* start address in flash? */ |
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if (load_addr + offset >= flash_info[i].start[0]) { |
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rc = 1; |
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break; |
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} |
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} |
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if (rc) { /* Flash is destination for this packet */ |
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rc = flash_write ((uchar *)src, (ulong)(load_addr+offset), len); |
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if (rc) { |
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flash_perror (rc); |
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NetState = NETLOOP_FAIL; |
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return; |
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} |
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} else |
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#endif /* CFG_DIRECT_FLASH_NFS */ |
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{ |
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(void)memcpy ((void *)(load_addr + offset), src, len); |
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} |
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} |
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static char* |
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basename (char *path) |
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{ |
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char *fname; |
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fname = path + strlen(path) - 1; |
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while (fname >= path) { |
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if (*fname == '/') { |
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fname++; |
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break; |
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} |
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fname--; |
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} |
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return fname; |
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} |
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static char* |
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dirname (char *path) |
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{ |
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char *fname; |
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fname = basename (path); |
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--fname; |
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*fname = '\0'; |
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return path; |
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} |
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/**************************************************************************
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RPC_INIT - set up the ID counter to something fairly random |
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**************************************************************************/ |
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static void |
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rpc_init (void) |
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{ |
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unsigned long t; |
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t=get_ticks(); |
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rpc_id = t ^ (t << 8) ^ (t << 16); |
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} |
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/**************************************************************************
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RPC_ADD_CREDENTIALS - Add RPC authentication/verifier entries |
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**************************************************************************/ |
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static long *rpc_add_credentials (long *p) |
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{ |
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int hl; |
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int hostnamelen; |
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char hostname[256]; |
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strcpy (hostname, ""); |
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hostnamelen=strlen (hostname); |
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/* Here's the executive summary on authentication requirements of the
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* various NFS server implementations: Linux accepts both AUTH_NONE |
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* and AUTH_UNIX authentication (also accepts an empty hostname field |
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* in the AUTH_UNIX scheme). *BSD refuses AUTH_NONE, but accepts |
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* AUTH_UNIX (also accepts an empty hostname field in the AUTH_UNIX |
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* scheme). To be safe, use AUTH_UNIX and pass the hostname if we have |
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* it (if the BOOTP/DHCP reply didn't give one, just use an empty |
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* hostname). */ |
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hl = (hostnamelen + 3) & ~3; |
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/* Provide an AUTH_UNIX credential. */ |
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*p++ = htonl(1); /* AUTH_UNIX */ |
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*p++ = htonl(hl+20); /* auth length */ |
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*p++ = htonl(0); /* stamp */ |
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*p++ = htonl(hostnamelen); /* hostname string */ |
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if (hostnamelen & 3) { |
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*(p + hostnamelen / 4) = 0; /* add zero padding */ |
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} |
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memcpy (p, hostname, hostnamelen); |
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p += hl / 4; |
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*p++ = 0; /* uid */ |
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*p++ = 0; /* gid */ |
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*p++ = 0; /* auxiliary gid list */ |
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/* Provide an AUTH_NONE verifier. */ |
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*p++ = 0; /* AUTH_NONE */ |
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*p++ = 0; /* auth length */ |
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return p; |
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} |
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/**************************************************************************
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RPC_LOOKUP - Lookup RPC Port numbers |
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**************************************************************************/ |
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static void |
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rpc_req (int rpc_prog, int rpc_proc, uint32_t *data, int datalen) |
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{ |
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struct rpc_t pkt; |
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unsigned long id; |
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uint32_t *p; |
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int pktlen; |
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int sport; |
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id = rpc_id++; |
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pkt.u.call.id = htonl(id); |
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pkt.u.call.type = htonl(MSG_CALL); |
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pkt.u.call.rpcvers = htonl(2); /* use RPC version 2 */ |
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pkt.u.call.prog = htonl(rpc_prog); |
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pkt.u.call.vers = htonl(2); /* portmapper is version 2 */ |
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pkt.u.call.proc = htonl(rpc_proc); |
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p = (uint32_t *)&(pkt.u.call.data); |
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if (datalen) |
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memcpy ((char *)p, (char *)data, datalen*sizeof(uint32_t)); |
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pktlen = (char *)p + datalen*sizeof(uint32_t) - (char *)&pkt; |
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memcpy ((char *)NetTxPacket+ETHER_HDR_SIZE+IP_HDR_SIZE, (char *)&pkt, pktlen); |
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if (rpc_prog == PROG_PORTMAP) |
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sport = SUNRPC_PORT; |
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else if (rpc_prog == PROG_MOUNT) |
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sport = NfsSrvMountPort; |
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else |
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sport = NfsSrvNfsPort; |
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NetSendUDPPacket (NetServerEther, NfsServerIP, sport, NfsOurPort, pktlen); |
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} |
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/**************************************************************************
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RPC_LOOKUP - Lookup RPC Port numbers |
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**************************************************************************/ |
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static void |
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rpc_lookup_req (int prog, int ver) |
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{ |
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uint32_t data[16]; |
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data[0] = 0; data[1] = 0; /* auth credential */ |
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data[2] = 0; data[3] = 0; /* auth verifier */ |
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data[4] = htonl(prog); |
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data[5] = htonl(ver); |
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data[6] = htonl(17); /* IP_UDP */ |
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data[7] = 0; |
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rpc_req (PROG_PORTMAP, PORTMAP_GETPORT, data, 8); |
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} |
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/**************************************************************************
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NFS_MOUNT - Mount an NFS Filesystem |
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**************************************************************************/ |
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static void |
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nfs_mount_req (char *path) |
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{ |
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uint32_t data[1024]; |
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uint32_t *p; |
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int len; |
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int pathlen; |
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pathlen = strlen (path); |
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p = &(data[0]); |
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p = (uint32_t *)rpc_add_credentials((long *)p); |
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*p++ = htonl(pathlen); |
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if (pathlen & 3) *(p + pathlen / 4) = 0; |
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memcpy (p, path, pathlen); |
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p += (pathlen + 3) / 4; |
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len = (uint32_t *)p - (uint32_t *)&(data[0]); |
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rpc_req (PROG_MOUNT, MOUNT_ADDENTRY, data, len); |
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} |
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/**************************************************************************
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NFS_UMOUNTALL - Unmount all our NFS Filesystems on the Server |
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**************************************************************************/ |
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static void |
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nfs_umountall_req (void) |
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{ |
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uint32_t data[1024]; |
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uint32_t *p; |
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int len; |
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if ((NfsSrvMountPort == -1) || (!fs_mounted)) { |
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/* Nothing mounted, nothing to umount */ |
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return; |
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} |
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p = &(data[0]); |
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p = (uint32_t *)rpc_add_credentials ((long *)p); |
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len = (uint32_t *)p - (uint32_t *)&(data[0]); |
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rpc_req (PROG_MOUNT, MOUNT_UMOUNTALL, data, len); |
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} |
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/***************************************************************************
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* NFS_READLINK (AH 2003-07-14) |
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* This procedure is called when read of the first block fails - |
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* this probably happens when it's a directory or a symlink |
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* In case of successful readlink(), the dirname is manipulated, |
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* so that inside the nfs() function a recursion can be done. |
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**************************************************************************/ |
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static void |
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nfs_readlink_req (void) |
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{ |
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uint32_t data[1024]; |
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uint32_t *p; |
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int len; |
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p = &(data[0]); |
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p = (uint32_t *)rpc_add_credentials ((long *)p); |
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memcpy (p, filefh, NFS_FHSIZE); |
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p += (NFS_FHSIZE / 4); |
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len = (uint32_t *)p - (uint32_t *)&(data[0]); |
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rpc_req (PROG_NFS, NFS_READLINK, data, len); |
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} |
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/**************************************************************************
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NFS_LOOKUP - Lookup Pathname |
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**************************************************************************/ |
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static void |
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nfs_lookup_req (char *fname) |
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{ |
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uint32_t data[1024]; |
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uint32_t *p; |
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int len; |
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int fnamelen; |
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fnamelen = strlen (fname); |
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p = &(data[0]); |
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p = (uint32_t *)rpc_add_credentials ((long *)p); |
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memcpy (p, dirfh, NFS_FHSIZE); |
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p += (NFS_FHSIZE / 4); |
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*p++ = htonl(fnamelen); |
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if (fnamelen & 3) *(p + fnamelen / 4) = 0; |
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memcpy (p, fname, fnamelen); |
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p += (fnamelen + 3) / 4; |
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len = (uint32_t *)p - (uint32_t *)&(data[0]); |
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rpc_req (PROG_NFS, NFS_LOOKUP, data, len); |
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} |
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/**************************************************************************
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NFS_READ - Read File on NFS Server |
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**************************************************************************/ |
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static void |
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nfs_read_req (int offset, int readlen) |
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{ |
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uint32_t data[1024]; |
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uint32_t *p; |
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int len; |
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p = &(data[0]); |
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p = (uint32_t *)rpc_add_credentials ((long *)p); |
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memcpy (p, filefh, NFS_FHSIZE); |
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p += (NFS_FHSIZE / 4); |
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*p++ = htonl(offset); |
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*p++ = htonl(readlen); |
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*p++ = 0; |
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len = (uint32_t *)p - (uint32_t *)&(data[0]); |
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rpc_req (PROG_NFS, NFS_READ, data, len); |
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} |
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/**************************************************************************
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RPC request dispatcher |
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**************************************************************************/ |
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static void |
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NfsSend (void) |
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{ |
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#ifdef NFS_DEBUG |
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printf ("%s\n", __FUNCTION__); |
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#endif |
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switch (NfsState) { |
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case STATE_PRCLOOKUP_PROG_MOUNT_REQ: |
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rpc_lookup_req (PROG_MOUNT, 1); |
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break; |
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case STATE_PRCLOOKUP_PROG_NFS_REQ: |
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rpc_lookup_req (PROG_NFS, 2); |
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break; |
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case STATE_MOUNT_REQ: |
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nfs_mount_req (nfs_path); |
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break; |
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case STATE_UMOUNT_REQ: |
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nfs_umountall_req (); |
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break; |
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case STATE_LOOKUP_REQ: |
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nfs_lookup_req (nfs_filename); |
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break; |
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case STATE_READ_REQ: |
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nfs_read_req (nfs_offset, nfs_len); |
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break; |
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case STATE_READLINK_REQ: |
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nfs_readlink_req (); |
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break; |
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} |
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} |
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/**************************************************************************
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Handlers for the reply from server |
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**************************************************************************/ |
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static int |
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rpc_lookup_reply (int prog, uchar *pkt, unsigned len) |
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{ |
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struct rpc_t rpc_pkt; |
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memcpy ((unsigned char *)&rpc_pkt, pkt, len); |
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#ifdef NFS_DEBUG |
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printf ("%s\n", __FUNCTION__); |
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#endif |
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if (rpc_pkt.u.reply.rstatus || |
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rpc_pkt.u.reply.verifier || |
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rpc_pkt.u.reply.astatus || |
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rpc_pkt.u.reply.astatus) { |
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} |
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switch (prog) { |
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case PROG_MOUNT: |
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NfsSrvMountPort = ntohl(rpc_pkt.u.reply.data[0]); |
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break; |
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case PROG_NFS: |
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NfsSrvNfsPort = ntohl(rpc_pkt.u.reply.data[0]); |
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break; |
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} |
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return 0; |
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} |
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static int |
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nfs_mount_reply (uchar *pkt, unsigned len) |
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{ |
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struct rpc_t rpc_pkt; |
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#ifdef NFS_DEBUG |
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printf ("%s\n", __FUNCTION__); |
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#endif |
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memcpy ((unsigned char *)&rpc_pkt, pkt, len); |
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if (rpc_pkt.u.reply.rstatus || |
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rpc_pkt.u.reply.verifier || |
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rpc_pkt.u.reply.astatus || |
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rpc_pkt.u.reply.data[0]) { |
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return -1; |
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} |
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fs_mounted = 1; |
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memcpy (dirfh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); |
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return 0; |
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} |
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static int |
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nfs_umountall_reply (uchar *pkt, unsigned len) |
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{ |
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struct rpc_t rpc_pkt; |
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#ifdef NFS_DEBUG |
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printf ("%s\n", __FUNCTION__); |
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#endif |
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memcpy ((unsigned char *)&rpc_pkt, pkt, len); |
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if (rpc_pkt.u.reply.rstatus || |
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rpc_pkt.u.reply.verifier || |
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rpc_pkt.u.reply.astatus) { |
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return -1; |
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} |
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fs_mounted = 0; |
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memset (dirfh, 0, sizeof(dirfh)); |
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return 0; |
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} |
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static int |
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nfs_lookup_reply (uchar *pkt, unsigned len) |
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{ |
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struct rpc_t rpc_pkt; |
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#ifdef NFS_DEBUG |
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printf ("%s\n", __FUNCTION__); |
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#endif |
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memcpy ((unsigned char *)&rpc_pkt, pkt, len); |
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if (rpc_pkt.u.reply.rstatus || |
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rpc_pkt.u.reply.verifier || |
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rpc_pkt.u.reply.astatus || |
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rpc_pkt.u.reply.data[0]) { |
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return -1; |
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} |
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memcpy (filefh, rpc_pkt.u.reply.data + 1, NFS_FHSIZE); |
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return 0; |
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} |
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static int |
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nfs_readlink_reply (uchar *pkt, unsigned len) |
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{ |
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struct rpc_t rpc_pkt; |
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int rlen; |
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#ifdef NFS_DEBUG |
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printf ("%s\n", __FUNCTION__); |
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#endif |
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memcpy ((unsigned char *)&rpc_pkt, pkt, len); |
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if (rpc_pkt.u.reply.rstatus || |
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rpc_pkt.u.reply.verifier || |
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rpc_pkt.u.reply.astatus || |
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rpc_pkt.u.reply.data[0]) { |
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return -1; |
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} |
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rlen = ntohl (rpc_pkt.u.reply.data[1]); /* new path length */ |
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if (*((char *)&(rpc_pkt.u.reply.data[2])) != '/') { |
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int pathlen; |
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strcat (nfs_path, "/"); |
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pathlen = strlen(nfs_path); |
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memcpy (nfs_path+pathlen, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); |
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nfs_path[pathlen+rlen+1] = 0; |
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} else { |
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memcpy (nfs_path, (uchar *)&(rpc_pkt.u.reply.data[2]), rlen); |
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nfs_path[rlen] = 0; |
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} |
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return 0; |
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} |
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static int |
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nfs_read_reply (uchar *pkt, unsigned len) |
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{ |
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struct rpc_t rpc_pkt; |
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int rlen; |
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#ifdef NFS_DEBUG_nop |
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printf ("%s\n", __FUNCTION__); |
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#endif |
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rlen = (uchar *)&(rpc_pkt.u.reply.data[19]) - (uchar *)&(rpc_pkt.u.reply.id); |
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memcpy ((uchar *)&rpc_pkt, pkt, rlen); |
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if (rpc_pkt.u.reply.rstatus || |
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rpc_pkt.u.reply.verifier || |
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rpc_pkt.u.reply.astatus || |
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rpc_pkt.u.reply.data[0]) { |
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if (rpc_pkt.u.reply.rstatus) { |
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return -9999; |
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} |
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if (rpc_pkt.u.reply.astatus) { |
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return -9999; |
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} |
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return -ntohl(rpc_pkt.u.reply.data[0]);; |
||||
} |
||||
|
||||
if ((nfs_offset!=0) && !((nfs_offset) % (NFS_READ_SIZE/2*10*HASHES_PER_LINE))) { |
||||
puts ("\n\t "); |
||||
} |
||||
if (!(nfs_offset % ((NFS_READ_SIZE/2)*10))) { |
||||
putc ('#'); |
||||
} |
||||
|
||||
rlen = ntohl(rpc_pkt.u.reply.data[18]); |
||||
store_block ((uchar *)&(rpc_pkt.u.reply.data[19]), nfs_offset, rlen); |
||||
|
||||
return rlen; |
||||
} |
||||
|
||||
/**************************************************************************
|
||||
Interfaces of U-BOOT |
||||
**************************************************************************/ |
||||
|
||||
static void |
||||
NfsHandler (uchar *pkt, unsigned dest, unsigned src, unsigned len) |
||||
{ |
||||
int rlen; |
||||
|
||||
#ifdef NFS_DEBUG |
||||
printf ("%s\n", __FUNCTION__); |
||||
#endif |
||||
|
||||
if (dest != NfsOurPort) return; |
||||
|
||||
switch (NfsState) { |
||||
case STATE_PRCLOOKUP_PROG_MOUNT_REQ: |
||||
rpc_lookup_reply (PROG_MOUNT, pkt, len); |
||||
NfsState = STATE_PRCLOOKUP_PROG_NFS_REQ; |
||||
NfsSend (); |
||||
break; |
||||
|
||||
case STATE_PRCLOOKUP_PROG_NFS_REQ: |
||||
rpc_lookup_reply (PROG_NFS, pkt, len); |
||||
NfsState = STATE_MOUNT_REQ; |
||||
NfsSend (); |
||||
break; |
||||
|
||||
case STATE_MOUNT_REQ: |
||||
if (nfs_mount_reply(pkt, len)) { |
||||
puts ("*** ERROR: Cannot mount\n"); |
||||
/* just to be sure... */ |
||||
NfsState = STATE_UMOUNT_REQ; |
||||
NfsSend (); |
||||
} else { |
||||
NfsState = STATE_LOOKUP_REQ; |
||||
NfsSend (); |
||||
} |
||||
break; |
||||
|
||||
case STATE_UMOUNT_REQ: |
||||
if (nfs_umountall_reply(pkt, len)) { |
||||
puts ("*** ERROR: Cannot umount\n"); |
||||
NetState = NETLOOP_FAIL; |
||||
} else { |
||||
NetState = NETLOOP_SUCCESS; |
||||
} |
||||
break; |
||||
|
||||
case STATE_LOOKUP_REQ: |
||||
if (nfs_lookup_reply(pkt, len)) { |
||||
puts ("*** ERROR: File lookup fail\n"); |
||||
NfsState = STATE_UMOUNT_REQ; |
||||
NfsSend (); |
||||
} else { |
||||
NfsState = STATE_READ_REQ; |
||||
nfs_offset = 0; |
||||
nfs_len = NFS_READ_SIZE; |
||||
NfsSend (); |
||||
} |
||||
break; |
||||
|
||||
case STATE_READLINK_REQ: |
||||
if (nfs_readlink_reply(pkt, len)) { |
||||
puts ("*** ERROR: Symlink fail\n"); |
||||
NfsState = STATE_UMOUNT_REQ; |
||||
NfsSend (); |
||||
} else { |
||||
#ifdef NFS_DEBUG |
||||
printf ("Symlink --> %s\n", nfs_path); |
||||
#endif |
||||
nfs_filename = basename (nfs_path); |
||||
nfs_path = dirname (nfs_path); |
||||
|
||||
NfsState = STATE_MOUNT_REQ; |
||||
NfsSend (); |
||||
} |
||||
break; |
||||
|
||||
case STATE_READ_REQ: |
||||
rlen = nfs_read_reply (pkt, len); |
||||
if (rlen > 0) { |
||||
nfs_offset += rlen; |
||||
NfsSend (); |
||||
} |
||||
else if ((rlen == -NFSERR_ISDIR)||(rlen == -NFSERR_INVAL)) { |
||||
/* symbolic link */ |
||||
NfsState = STATE_READLINK_REQ; |
||||
NfsSend (); |
||||
} else { |
||||
puts ("\ndone\n"); |
||||
printf ("Bytes transferred = %d (%x hex)\n", |
||||
nfs_offset, nfs_offset); |
||||
NfsState = STATE_UMOUNT_REQ; |
||||
NfsSend (); |
||||
} |
||||
break; |
||||
} |
||||
} |
||||
|
||||
static void |
||||
NfsTimeout (void) |
||||
{ |
||||
puts ("Timeout\n"); |
||||
NetState = NETLOOP_FAIL; |
||||
return; |
||||
} |
||||
|
||||
void |
||||
NfsStart (void) |
||||
{ |
||||
#ifdef NFS_DEBUG |
||||
printf ("%s\n", __FUNCTION__); |
||||
#endif |
||||
|
||||
NfsServerIP = NetServerIP; |
||||
nfs_path = (char *)nfs_path_buff; |
||||
|
||||
if (nfs_path == NULL) { |
||||
NetState = NETLOOP_FAIL; |
||||
puts ("*** ERROR: Fail allocate memory\n"); |
||||
return; |
||||
} |
||||
|
||||
if (BootFile[0] == '\0') { |
||||
IPaddr_t OurIP = ntohl (NetOurIP); |
||||
|
||||
sprintf (default_filename, "/nfsroot/%02lX%02lX%02lX%02lX.img", |
||||
OurIP & 0xFF, |
||||
(OurIP >> 8) & 0xFF, |
||||
(OurIP >> 16) & 0xFF, |
||||
(OurIP >> 24) & 0xFF ); |
||||
strcpy (nfs_path, default_filename); |
||||
|
||||
printf ("*** Warning: no boot file name; using '%s'\n", |
||||
nfs_path); |
||||
} else { |
||||
char *p=BootFile; |
||||
|
||||
p = strchr (p, ':'); |
||||
|
||||
if (p != NULL) { |
||||
NfsServerIP = string_to_ip (BootFile); |
||||
++p; |
||||
strcpy (nfs_path, p); |
||||
} else { |
||||
strcpy (nfs_path, BootFile); |
||||
} |
||||
} |
||||
|
||||
nfs_filename = basename (nfs_path); |
||||
nfs_path = dirname (nfs_path); |
||||
|
||||
#if defined(CONFIG_NET_MULTI) |
||||
printf ("Using %s device\n", eth_get_name()); |
||||
#endif |
||||
|
||||
puts ("File transfer via NFS from server "); print_IPaddr (NfsServerIP); |
||||
puts ("; our IP address is "); print_IPaddr (NetOurIP); |
||||
|
||||
/* Check if we need to send across this subnet */ |
||||
if (NetOurGatewayIP && NetOurSubnetMask) { |
||||
IPaddr_t OurNet = NetOurIP & NetOurSubnetMask; |
||||
IPaddr_t ServerNet = NetServerIP & NetOurSubnetMask; |
||||
|
||||
if (OurNet != ServerNet) { |
||||
puts ("; sending through gateway "); |
||||
print_IPaddr (NetOurGatewayIP) ; |
||||
} |
||||
} |
||||
putc ('\n'); |
||||
|
||||
printf ("Filename '%s/%s'.", nfs_path, nfs_filename); |
||||
|
||||
if (NetBootFileSize) { |
||||
printf (" Size is 0x%x Bytes = ", NetBootFileSize<<9); |
||||
print_size (NetBootFileSize<<9, ""); |
||||
} |
||||
putc ('\n'); |
||||
|
||||
printf ("Load address: 0x%lx\n", load_addr); |
||||
|
||||
printf ("Loading: *\b"); |
||||
|
||||
NetSetTimeout (NFS_TIMEOUT * CFG_HZ, NfsTimeout); |
||||
NetSetHandler (NfsHandler); |
||||
|
||||
rpc_init (); |
||||
NfsTimeoutCount = 0; |
||||
NfsState = STATE_PRCLOOKUP_PROG_MOUNT_REQ; |
||||
|
||||
/*NfsOurPort = 4096 + (get_ticks() % 3072);*/ |
||||
/*FIX ME !!!*/ |
||||
NfsOurPort = 1000; |
||||
|
||||
/* zero out server ether in case the server ip has changed */ |
||||
memset (NetServerEther, 0, 6); |
||||
|
||||
NfsSend (); |
||||
} |
||||
|
||||
#endif /* CONFIG_COMMANDS & CFG_CMD_NFS */ |
@ -0,0 +1,74 @@ |
||||
/*
|
||||
* (C) Masami Komiya <mkomiya@sonare.it> 2004 |
||||
* |
||||
* This program is free software; you can redistribute it and/or |
||||
* modify it under the terms of the GNU General Public License as |
||||
* published by the Free Software Foundation; either version 2, or (at |
||||
* your option) any later version. |
||||
*/ |
||||
|
||||
#ifndef __NFS_H__ |
||||
#define __NFS_H__ |
||||
|
||||
#define SUNRPC_PORT 111 |
||||
|
||||
#define PROG_PORTMAP 100000 |
||||
#define PROG_NFS 100003 |
||||
#define PROG_MOUNT 100005 |
||||
|
||||
#define MSG_CALL 0 |
||||
#define MSG_REPLY 1 |
||||
|
||||
#define PORTMAP_GETPORT 3 |
||||
|
||||
#define MOUNT_ADDENTRY 1 |
||||
#define MOUNT_UMOUNTALL 4 |
||||
|
||||
#define NFS_LOOKUP 4 |
||||
#define NFS_READLINK 5 |
||||
#define NFS_READ 6 |
||||
|
||||
#define NFS_FHSIZE 32 |
||||
|
||||
#define NFSERR_PERM 1 |
||||
#define NFSERR_NOENT 2 |
||||
#define NFSERR_ACCES 13 |
||||
#define NFSERR_ISDIR 21 |
||||
#define NFSERR_INVAL 22 |
||||
|
||||
/* Block size used for NFS read accesses. A RPC reply packet (including all
|
||||
* headers) must fit within a single Ethernet frame to avoid fragmentation. |
||||
* Chosen to be a power of two, as most NFS servers are optimized for this. */ |
||||
#define NFS_READ_SIZE 1024 |
||||
|
||||
#define NFS_MAXLINKDEPTH 16 |
||||
|
||||
struct rpc_t { |
||||
union { |
||||
uint8_t data[2048]; |
||||
struct { |
||||
uint32_t id; |
||||
uint32_t type; |
||||
uint32_t rpcvers; |
||||
uint32_t prog; |
||||
uint32_t vers; |
||||
uint32_t proc; |
||||
uint32_t data[1]; |
||||
} call; |
||||
struct { |
||||
uint32_t id; |
||||
uint32_t type; |
||||
uint32_t rstatus; |
||||
uint32_t verifier; |
||||
uint32_t v2; |
||||
uint32_t astatus; |
||||
uint32_t data[1]; |
||||
} reply; |
||||
} u; |
||||
}; |
||||
extern void NfsStart (void); /* Begin NFS */ |
||||
|
||||
|
||||
/**********************************************************************/ |
||||
|
||||
#endif /* __NFS_H__ */ |
Loading…
Reference in new issue