ssh: R.I.P.

1 files changed, 0 insertions, 227 deletions

diff --git a/sys/src/cmd/ssh/pubkey.c b/sys/src/cmd/ssh/pubkey.c
deleted file mode 100644
index 0c170b843..000000000
--- a/sys/src/cmd/ssh/pubkey.c
+++ /dev/null
@@ -1,227 +0,0 @@
-#include "ssh.h"
-#include <bio.h>
-#include <ctype.h>
-
-static int
-parsepubkey(char *s, RSApub *key, char **sp, int base)
-{
-	int n;
-	char *host, *p, *z;
-
-	z = nil;
-	n = strtoul(s, &p, 10);
-	host = nil;
-	if(n < 256 || !isspace(*p)){	/* maybe this is a host name */
-		host = s;
-		s = strpbrk(s, " \t");
-		if(s == nil)
-			return -1;
-		z = s;
-		*s++ = '\0';
-		s += strspn(s, " \t");
-
-		n = strtoul(s, &p, 10);
-		if(n < 256 || !isspace(*p)){
-			if(z)
-				*z = ' ';
-			return -1;
-		}
-	}
-
-	if((key->ek = strtomp(p, &p, base, nil)) == nil
-	|| (key->n = strtomp(p, &p, base, nil)) == nil
-	|| (*p != '\0' && !isspace(*p))
-	|| mpsignif(key->n) < 256){	/* 256 is just a sanity check */
-		mpfree(key->ek);
-		mpfree(key->n);
-		key->ek = nil;
-		key->n = nil;
-		if(z)
-			*z = ' ';
-		return -1;
-	}
-	if(host == nil){
-		if(*p != '\0'){
-			p += strspn(p, " \t");
-			if(*p != '\0'){
-				host = emalloc(strlen(p)+1);
-				strcpy(host, p);
-			}
-		}
-		free(s);
-	}
-	*sp = host;
-	return 0;
-}
-
-RSApub*
-readpublickey(Biobuf *b, char **sp)
-{
-	char *s;
-	RSApub *key;
-
-	key = rsapuballoc();
-	if(key == nil)
-		return nil;
-
-	for(;;){
-		if((s = Brdstr(b, '\n', 1)) == nil){
-			rsapubfree(key);
-			return nil;
-		}
-		if(s[0]=='#'){
-			free(s);
-			continue;
-		}
-		if(parsepubkey(s, key, sp, 10)==0
-		|| parsepubkey(s, key, sp, 16)==0)
-			return key;
-		fprint(2, "warning: skipping line '%s'; cannot parse\n", s);
-		free(s);
-	}
-}
-
-static int
-match(char *pattern, char *aliases)
-{
-	char *s, *snext;
-	char *a, *anext, *ae;
-
-	for(s=pattern; s && *s; s=snext){
-		if((snext=strchr(s, ',')) != nil)
-			*snext++ = '\0';
-		for(a=aliases; a && *a; a=anext){
-			if((anext=strchr(a, ',')) != nil){
-				ae = anext;
-				anext++;
-			}else
-				ae = a+strlen(a);
-			if(ae-a == strlen(s) && memcmp(s, a, ae-a)==0)
-				return 0;
-		}
-	}
-	return 1;
-}
-
-int
-findkey(char *keyfile, char *host, RSApub *key)
-{
-	char *h;
-	Biobuf *b;
-	RSApub *k;
-
-	if((b = Bopen(keyfile, OREAD)) == nil)
-		return NoKeyFile;
-
-	for(;;){
-		if((k = readpublickey(b, &h)) == nil){
-			Bterm(b);
-			return NoKey;
-		}
-		if(match(h, host) != 0){
-			free(h);
-			rsapubfree(k);
-			continue;
-		}
-		if(mpcmp(k->n, key->n) != 0 || mpcmp(k->ek, key->ek) != 0){
-			free(h);
-			rsapubfree(k);
-			Bterm(b);
-			return KeyWrong;
-		}
-		free(h);
-		rsapubfree(k);
-		Bterm(b);
-		return KeyOk;
-	}
-}
-
-int
-replacekey(char *keyfile, char *host, RSApub *hostkey)
-{
-	char *h, *nkey, *p;
-	Biobuf *br, *bw;
-	Dir *d, nd;
-	RSApub *k;
-
-	nkey = smprint("%s.new", keyfile);
-	if(nkey == nil)
-		return -1;
-
-	if((br = Bopen(keyfile, OREAD)) == nil){
-		free(nkey);
-		return -1;
-	}
-	if((bw = Bopen(nkey, OWRITE)) == nil){
-		Bterm(br);
-		free(nkey);
-		return -1;
-	}
-
-	while((k = readpublickey(br, &h)) != nil){
-		if(match(h, host) != 0){
-			Bprint(bw, "%s %d %.10B %.10B\n",
-				h, mpsignif(k->n), k->ek, k->n);
-		}
-		free(h);
-		rsapubfree(k);
-	}
-	Bprint(bw, "%s %d %.10B %.10B\n", host, mpsignif(hostkey->n), hostkey->ek, hostkey->n);
-	Bterm(bw);
-	Bterm(br);
-
-	d = dirstat(nkey);
-	if(d == nil){
-		fprint(2, "new key file disappeared?\n");
-		free(nkey);
-		return -1;
-	}
-
-	p = strrchr(d->name, '.');
-	if(p==nil || strcmp(p, ".new")!=0){
-		fprint(2, "new key file changed names? %s to %s\n", nkey, d->name);
-		free(d);
-		free(nkey);
-		return -1;
-	}
-
-	*p = '\0';
-	nulldir(&nd);
-	nd.name = d->name;
-	if(remove(keyfile) < 0){
-		fprint(2, "error removing %s: %r\n", keyfile);
-		free(d);
-		free(nkey);
-		return -1;
-	}
-	if(dirwstat(nkey, &nd) < 0){
-		fprint(2, "error renaming %s to %s: %r\n", nkey, d->name);
-		free(nkey);
-		free(d);
-		return -1;
-	}
-	free(d);
-	free(nkey);
-	return 0;
-}
-
-int
-appendkey(char *keyfile, char *host, RSApub *key)
-{
-	int fd;
-
-	if((fd = open(keyfile, OWRITE)) < 0){
-		fd = create(keyfile, OWRITE, 0666);
-		if(fd < 0){
-			fprint(2, "cannot open nor create %s: %r\n", keyfile);
-			return -1;
-		}
-	}
-	if(seek(fd, 0, 2) < 0
-	|| fprint(fd, "%s %d %.10B %.10B\n", host, mpsignif(key->n), key->ek, key->n) < 0){
-		close(fd);
-		return -1;
-	}
-	close(fd);
-	return 0;
-}