view rvinterf/etmsync/fserr.c @ 921:74d284add54d

fc-fsio: guard against bogus readdir results from the target If the FFS being operated on contains SE K2x0 extended filenames, readdir will return strings that are bad for printing. We need to guard against this possibility, and also against possible other bogosity that could be sent by other alien firmwares.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 31 Dec 2022 22:55:23 +0000
parents e7502631a0f9
children
line wrap: on
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/*
 * FFS error decoding
 */

#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "etm.h"
#include "ffs.h"
#include "ffserr.h"

static struct errtab {
	int	errcode;
	char	*desc;
} errtab[] = {
	{TMFFS_ERR_NODEVICE, "EFFS_NODEVICE: flash device unknown"},
	{TMFFS_ERR_CORRUPTED, "EFFS_CORRUPTED: filesystem corrupted"},
	{TMFFS_ERR_NOPREFORMAT, "EFFS_NOPREFORMAT: ffs not preformatted"},
	{TMFFS_ERR_NOFORMAT, "EFFS_NOFORMAT: ffs not formatted"},
	{TMFFS_ERR_BADFORMAT,
		"EFFS_BADFORMAT: incompatible ffs version, reformat needed"},
	{TMFFS_ERR_MAGIC, "EFFS_MAGIC: bad magic"},
	{TMFFS_ERR_AGAIN, "EFFS_AGAIN: not ready, try again later"},
	{TMFFS_ERR_NOSYS, "EFFS_NOSYS: function not implemented"},
	{TMFFS_ERR_DRIVER, "EFFS_DRIVER: ffs device driver error"},
	{TMFFS_ERR_NOSPACE, "EFFS_NOSPACE: out of data space"},
	{TMFFS_ERR_FSFULL, "EFFS_FSFULL: file system full, no free inodes"},
	{TMFFS_ERR_BADNAME, "EFFS_BADNAME: bad filename"},
	{TMFFS_ERR_NOTFOUND, "EFFS_NOTFOUND: object not found"},
	{TMFFS_ERR_EXISTS, "EFFS_EXISTS: object exists"},
	{TMFFS_ERR_ACCESS, "EFFS_ACCESS: access permission violation"},
	{TMFFS_ERR_NAMETOOLONG, "EFFS_NAMETOOLONG"},
	{TMFFS_ERR_INVALID, "EFFS_INVALID"},
	{TMFFS_ERR_DIRNOTEMPTY, "EFFS_DIRNOTEMPTY"},
	{TMFFS_ERR_NOTADIR, "EFFS_NOTADIR"},
	{TMFFS_ERR_SPARE, "EFFS_SPARE"},
	{TMFFS_ERR_FILETOOBIG, "EFFS_FILETOOBIG"},
	{TMFFS_ERR_NOTAFILE, "EFFS_NOTAFILE"},
	{TMFFS_ERR_PATHTOODEEP, "EFFS_PATHTOODEEP"},
	{TMFFS_ERR_NUMFD, "EFFS_NUMFD: max number of open files reached"},
	{TMFFS_ERR_BADFD, "EFFS_BADFD: bad file descriptor"},
	{TMFFS_ERR_BADOP, "EFFS_BADOP: bad operation"},
	{TMFFS_ERR_LOCKED, "EFFS_LOCKED: the file is locked"},
	{TMFFS_ERR_TOOBIG, "EFFS_TOOBIG: tmffs buffer overflow"},
	{TMFFS_ERR_MEMORY, "EFFS_MEMORY: out of memory"},
	{TMFFS_ERR_MSGSEND, "EFFS_MSGSEND: message send failed"},
	{TMFFS_ERR_SIBLINGLOOP, "EFFS_SIBLINGLOOP: directory sibling loop"},
	{TMFFS_ERR_NOBLOCKS, "EFFS_NOBLOCKS: debug error?"},
	{TMFFS_ERR_DBR, "EFFS_DBR: debug error?"},
	{TMFFS_ERR_RECLAIMLOOP, "EFFS_RECLAIMLOOP: debug error?"},
	{0, 0}
};

report_ffs_err(oper, errcode)
	char *oper;
{
	struct errtab *tp;
	char *errdesc;

	for (tp = errtab; tp->errcode; tp++)
		if (tp->errcode == errcode)
			break;
	errdesc = tp->desc;
	if (!errdesc)
		errdesc = "unknown";
	printf("%s: FFS error %d (%s)\n", oper, errcode, errdesc);
}