removing (outdated) drawterm

drawterm is much better maintained by russ cox,
so removing this outdated copy.

for a more recent version, go to:

http://swtch.com/drawterm/

1 files changed, 0 insertions, 368 deletions

diff --git a/sys/src/cmd/unix/drawterm/libauthsrv/readnvram.c b/sys/src/cmd/unix/drawterm/libauthsrv/readnvram.c
deleted file mode 100644
index 4c92efcad..000000000
--- a/sys/src/cmd/unix/drawterm/libauthsrv/readnvram.c
+++ /dev/null
@@ -1,368 +0,0 @@
-#include <u.h>
-#include <libc.h>
-#include <authsrv.h>
-
-static long	finddosfile(int, char*);
-
-static int
-check(void *x, int len, uchar sum, char *msg)
-{
-	if(nvcsum(x, len) == sum)
-		return 0;
-	memset(x, 0, len);
-	fprint(2, "%s\n", msg);
-	return 1;
-}
-
-/*
- *  get key info out of nvram.  since there isn't room in the PC's nvram use
- *  a disk partition there.
- */
-static struct {
-	char *cputype;
-	char *file;
-	int off;
-	int len;
-} nvtab[] = {
-	"sparc", "#r/nvram", 1024+850, sizeof(Nvrsafe),
-	"pc", "#S/sdC0/nvram", 0, sizeof(Nvrsafe),
-	"pc", "#S/sdC0/9fat", -1, sizeof(Nvrsafe),
-	"pc", "#S/sd00/nvram", 0, sizeof(Nvrsafe),
-	"pc", "#S/sd00/9fat", -1, sizeof(Nvrsafe),
-	"pc", "#S/sd01/nvram", 0, sizeof(Nvrsafe),
-	"pc", "#S/sd01/9fat", -1, sizeof(Nvrsafe),
-	"pc", "#f/fd0disk", -1, 512,	/* 512: #f requires whole sector reads */
-	"pc", "#f/fd1disk", -1, 512,
-	"mips", "#r/nvram", 1024+900, sizeof(Nvrsafe),
-	"power", "#F/flash/flash0", 0x300000, sizeof(Nvrsafe),
-	"power", "#r/nvram", 4352, sizeof(Nvrsafe),	/* OK for MTX-604e */
-	"debug", "/tmp/nvram", 0, sizeof(Nvrsafe),
-};
-
-static char*
-readcons(char *prompt, char *def, int raw, char *buf, int nbuf)
-{
-	int fdin, fdout, ctl, n, m;
-	char line[10];
-
-	fdin = open("/dev/cons", OREAD);
-	if(fdin < 0)
-		fdin = 0;
-	fdout = open("/dev/cons", OWRITE);
-	if(fdout < 0)
-		fdout = 1;
-	if(def != nil)
-		fprint(fdout, "%s[%s]: ", prompt, def);
-	else
-		fprint(fdout, "%s: ", prompt);
-	if(raw){
-		ctl = open("/dev/consctl", OWRITE);
-		if(ctl >= 0)
-			write(ctl, "rawon", 5);
-	} else
-		ctl = -1;
-
-	m = 0;
-	for(;;){
-		n = read(fdin, line, 1);
-		if(n == 0){
-			close(ctl);
-			werrstr("readcons: EOF");
-			return nil;
-		}
-		if(n < 0){
-			close(ctl);
-			werrstr("can't read cons");
-			return nil;
-		}
-		if(line[0] == 0x7f)
-			exits(0);
-		if(n == 0 || line[0] == '\n' || line[0] == '\r'){
-			if(raw){
-				write(ctl, "rawoff", 6);
-				write(fdout, "\n", 1);
-				close(ctl);
-			}
-			buf[m] = '\0';
-			if(buf[0]=='\0' && def)
-				strcpy(buf, def);
-			return buf;
-		}
-		if(line[0] == '\b'){
-			if(m > 0)
-				m--;
-		}else if(line[0] == 0x15){	/* ^U: line kill */
-			m = 0;
-			if(def != nil)
-				fprint(fdout, "%s[%s]: ", prompt, def);
-			else
-				fprint(fdout, "%s: ", prompt);
-		}else{
-			if(m >= nbuf-1){
-				fprint(fdout, "line too long\n");
-				m = 0;
-				if(def != nil)
-					fprint(fdout, "%s[%s]: ", prompt, def);
-				else
-					fprint(fdout, "%s: ", prompt);
-			}else
-				buf[m++] = line[0];
-		}
-	}
-	return buf;	/* how does this happen */
-}
-
-
-/*
- *  get key info out of nvram.  since there isn't room in the PC's nvram use
- *  a disk partition there.
- */
-int
-readnvram(Nvrsafe *safep, int flag)
-{
-	char buf[1024], in[128], *cputype, *nvrfile, *nvrlen, *nvroff, *v[2];
-	int fd, err, i, safeoff, safelen;
-	Nvrsafe *safe;
-
-	err = 0;
-	memset(safep, 0, sizeof(*safep));
-
-	nvrfile = getenv("nvram");
-	cputype = getenv("cputype");
-	if(cputype == nil)
-		cputype = "mips";
-	if(strcmp(cputype, "386")==0 || strcmp(cputype, "alpha")==0)
-		cputype = "pc";
-
-	safe = (Nvrsafe*)buf;
-
-	fd = -1;
-	safeoff = -1;
-	safelen = -1;
-	if(nvrfile != nil){
-		/* accept device and device!file */
-		i = gettokens(nvrfile, v, nelem(v), "!");
-		fd = open(v[0], ORDWR);
-		safelen = sizeof(Nvrsafe);
-		if(strstr(v[0], "/9fat") == nil)
-			safeoff = 0;
-		nvrlen = getenv("nvrlen");
-		if(nvrlen != nil)
-			safelen = atoi(nvrlen);
-		nvroff = getenv("nvroff");
-		if(nvroff != nil){
-			if(strcmp(nvroff, "dos") == 0)
-				safeoff = -1;
-			else
-				safeoff = atoi(nvroff);
-		}
-		if(safeoff < 0 && fd >= 0){
-			safelen = 512;
-			safeoff = finddosfile(fd, i == 2 ? v[1] : "plan9.nvr");
-			if(safeoff < 0){
-				close(fd);
-				fd = -1;
-			}
-		}
-		free(nvrfile);
-		if(nvrlen != nil)
-			free(nvrlen);
-		if(nvroff != nil)
-			free(nvroff);
-	}else{
-		for(i=0; i<nelem(nvtab); i++){
-			if(strcmp(cputype, nvtab[i].cputype) != 0)
-				continue;
-			if((fd = open(nvtab[i].file, ORDWR)) < 0)
-				continue;
-			safeoff = nvtab[i].off;
-			safelen = nvtab[i].len;
-			if(safeoff == -1){
-				safeoff = finddosfile(fd, "plan9.nvr");
-				if(safeoff < 0){
-					close(fd);
-					fd = -1;
-					continue;
-				}
-			}
-			break;
-		}
-	}
-
-	if(fd < 0
-	|| seek(fd, safeoff, 0) < 0
-	|| read(fd, buf, safelen) != safelen){
-		err = 1;
-		if(flag&(NVwrite|NVwriteonerr))
-			fprint(2, "can't read nvram: %r\n");
-		memset(safep, 0, sizeof(*safep));
-		safe = safep;
-	}else{
-		*safep = *safe;
-		safe = safep;
-
-		err |= check(safe->machkey, DESKEYLEN, safe->machsum, "bad nvram key");
-//		err |= check(safe->config, CONFIGLEN, safe->configsum, "bad secstore key");
-		err |= check(safe->authid, ANAMELEN, safe->authidsum, "bad authentication id");
-		err |= check(safe->authdom, DOMLEN, safe->authdomsum, "bad authentication domain");
-	}
-
-	if((flag&NVwrite) || (err && (flag&NVwriteonerr))){
-		readcons("authid", nil, 0, safe->authid, sizeof(safe->authid));
-		readcons("authdom", nil, 0, safe->authdom, sizeof(safe->authdom));
-		readcons("secstore key", nil, 1, safe->config, sizeof(safe->config));
-		for(;;){
-			if(readcons("password", nil, 1, in, sizeof in) == nil)
-				goto Out;
-			if(passtokey(safe->machkey, in))
-				break;
-		}
-		safe->machsum = nvcsum(safe->machkey, DESKEYLEN);
-		safe->configsum = nvcsum(safe->config, CONFIGLEN);
-		safe->authidsum = nvcsum(safe->authid, sizeof(safe->authid));
-		safe->authdomsum = nvcsum(safe->authdom, sizeof(safe->authdom));
-		*(Nvrsafe*)buf = *safe;
-		if(seek(fd, safeoff, 0) < 0
-		|| write(fd, buf, safelen) != safelen){
-			fprint(2, "can't write key to nvram: %r\n");
-			err = 1;
-		}else
-			err = 0;
-	}
-Out:
-	close(fd);
-	return err ? -1 : 0;
-}
-
-typedef struct Dosboot	Dosboot;
-struct Dosboot{
-	uchar	magic[3];	/* really an xx86 JMP instruction */
-	uchar	version[8];
-	uchar	sectsize[2];
-	uchar	clustsize;
-	uchar	nresrv[2];
-	uchar	nfats;
-	uchar	rootsize[2];
-	uchar	volsize[2];
-	uchar	mediadesc;
-	uchar	fatsize[2];
-	uchar	trksize[2];
-	uchar	nheads[2];
-	uchar	nhidden[4];
-	uchar	bigvolsize[4];
-	uchar	driveno;
-	uchar	reserved0;
-	uchar	bootsig;
-	uchar	volid[4];
-	uchar	label[11];
-	uchar	type[8];
-};
-#define	GETSHORT(p) (((p)[1]<<8) | (p)[0])
-#define	GETLONG(p) ((GETSHORT((p)+2) << 16) | GETSHORT((p)))
-
-typedef struct Dosdir	Dosdir;
-struct Dosdir
-{
-	char	name[8];
-	char	ext[3];
-	uchar	attr;
-	uchar	reserved[10];
-	uchar	time[2];
-	uchar	date[2];
-	uchar	start[2];
-	uchar	length[4];
-};
-
-static char*
-dosparse(char *from, char *to, int len)
-{
-	char c;
-
-	memset(to, ' ', len);
-	if(from == 0)
-		return 0;
-	while(len-- > 0){
-		c = *from++;
-		if(c == '.')
-			return from;
-		if(c == 0)
-			break;
-		if(c >= 'a' && c <= 'z')
-			*to++ = c + 'A' - 'a';
-		else
-			*to++ = c;
-	}
-	return 0;
-}
-
-/*
- *  return offset of first file block
- *
- *  This is a very simplistic dos file system.  It only
- *  works on floppies, only looks in the root, and only
- *  returns a pointer to the first block of a file.
- *
- *  This exists for cpu servers that have no hard disk
- *  or nvram to store the key on.
- *
- *  Please don't make this any smarter: it stays resident
- *  and I'ld prefer not to waste the space on something that
- *  runs only at boottime -- presotto.
- */
-static long
-finddosfile(int fd, char *file)
-{
-	uchar secbuf[512];
-	char name[8];
-	char ext[3];
-	Dosboot	*b;
-	Dosdir *root, *dp;
-	int nroot, sectsize, rootoff, rootsects, n;
-
-	/* dos'ize file name */
-	file = dosparse(file, name, 8);
-	dosparse(file, ext, 3);
-
-	/* read boot block, check for sanity */
-	b = (Dosboot*)secbuf;
-	if(read(fd, secbuf, sizeof(secbuf)) != sizeof(secbuf))
-		return -1;
-	if(b->magic[0] != 0xEB || b->magic[1] != 0x3C || b->magic[2] != 0x90)
-		return -1;
-	sectsize = GETSHORT(b->sectsize);
-	if(sectsize != 512)
-		return -1;
-	rootoff = (GETSHORT(b->nresrv) + b->nfats*GETSHORT(b->fatsize)) * sectsize;
-	if(seek(fd, rootoff, 0) < 0)
-		return -1;
-	nroot = GETSHORT(b->rootsize);
-	rootsects = (nroot*sizeof(Dosdir)+sectsize-1)/sectsize;
-	if(rootsects <= 0 || rootsects > 64)
-		return -1;
-
-	/* 
-	 *  read root. it is contiguous to make stuff like
-	 *  this easier
-	 */
-	root = malloc(rootsects*sectsize);
-	if(read(fd, root, rootsects*sectsize) != rootsects*sectsize)
-		return -1;
-	n = -1;
-	for(dp = root; dp < &root[nroot]; dp++)
-		if(memcmp(name, dp->name, 8) == 0 && memcmp(ext, dp->ext, 3) == 0){
-			n = GETSHORT(dp->start);
-			break;
-		}
-	free(root);
-
-	if(n < 0)
-		return -1;
-
-	/*
-	 *  dp->start is in cluster units, not sectors.  The first
-	 *  cluster is cluster 2 which starts immediately after the
-	 *  root directory
-	 */
-	return rootoff + rootsects*sectsize + (n-2)*sectsize*b->clustsize;
-}
-