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more bug fixes

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This commit is contained in:
rsc 2005-02-13 23:08:55 +00:00
parent 8e4cf69e46
commit e1a2296329
3 changed files with 14 additions and 25 deletions
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2
src/cmd/auth/factotum/rpc.c
View file

@ -260,7 +260,7 @@ rpcrespondn(Conv *c, char *verb, void *data, int count)
p = c->reply + strlen(c->reply);
*p++ = ' ';
if(hex){
enc16(p, 2*count, data, count);
enc16(p, 2*count+1, data, count);
p += 2*count;
}else{
memmove(p, data, count);

4
src/cmd/auth/factotum/rsa.c
View file

@ -66,12 +66,12 @@ xrsadecrypt(Conv *c)
if(m == nil)
goto out;
if(strcmp(role, "decrypt") == 0)
mm = rsadecrypt(key, m, m);
mm = rsadecrypt(key, m, nil);
else
mm = rsaencrypt(&key->pub, m, nil);
if(mm == nil)
goto out;
n = mptobe(m, buf, sizeof buf, nil);
n = mptobe(mm, buf, sizeof buf, nil);
/* send response */
c->state = "write";

33
src/cmd/auth/ssh-agent.c
View file

@ -103,8 +103,11 @@ threadmain(int argc, char **argv)
fmtinstall('B', mpfmt);
fmtinstall('H', encodefmt);
fmtinstall('[', encodefmt);
ARGBEGIN{
case '9':
chatty9pclient++;
break;
case 'D':
chatty++;
break;
@ -138,8 +141,6 @@ threadmain(int argc, char **argv)
if((afd = announce(addr, adir)) < 0)
sysfatal("announce %s: %r", addr);
proccreate(listenproc, nil, STACK);
print("SSH_AUTH_SOCK=%s;\n", sock);
if(export)
print("export SSH_AUTH_SOCK;\n");
@ -147,6 +148,8 @@ threadmain(int argc, char **argv)
if(export)
print("export SSH_AGENT_PID;\n");
close(1);
rfork(RFNOTEG);
proccreate(listenproc, nil, STACK);
threadexits(0);
}
@ -655,7 +658,7 @@ listkeys(Msg *m, int version)
nk = 0;
pnk = m->p;
put4(m, 0);
if((fid = nsopen("factotum", nil, "ctl", OREAD)) == nil){
if((fid = nsopen(factotum, nil, "ctl", OREAD)) == nil){
fprint(2, "ssh-agent: open factotum: %r\n");
return -1;
}
@ -775,7 +778,6 @@ static int
dorsa(Aconn *a, mpint *mod, mpint *exp, mpint *chal, uchar chalbuf[32])
{
AuthRpc *rpc;
mpint *m;
char buf[4096], *p;
mpint *decr, *unpad;
@ -784,7 +786,7 @@ dorsa(Aconn *a, mpint *mod, mpint *exp, mpint *chal, uchar chalbuf[32])
fprint(2, "ssh-agent: auth_allocrpc: %r\n");
return -1;
}
snprint(buf, sizeof buf, "proto=rsa service=ssh role=client n=%lB ek=%lB", mod, exp);
snprint(buf, sizeof buf, "proto=rsa service=ssh role=decrypt n=%lB ek=%lB", mod, exp);
if(chatty)
fprint(2, "ssh-agent: start %s\n", buf);
if(auth_rpc(rpc, "start", buf, strlen(buf)) != ARok){
@ -793,20 +795,6 @@ dorsa(Aconn *a, mpint *mod, mpint *exp, mpint *chal, uchar chalbuf[32])
auth_freerpc(rpc);
return -1;
}
m = nil;
if(auth_rpc(rpc, "read", nil, 0) != ARok){
fprint(2, "ssh-agent: did not find negotiated key\n");
goto Die;
}
if(chatty)
fprint(2, "read key %s\n", (char*)rpc->arg);
m = strtomp(rpc->arg, nil, 16, nil);
if(mpcmp(m, mod) != 0){
fprint(2, "ssh-agent: found wrong key\n");
mpfree(m);
goto Die;
}
mpfree(m);
p = mptoa(chal, 16, nil, 0);
if(p == nil){
@ -815,13 +803,13 @@ dorsa(Aconn *a, mpint *mod, mpint *exp, mpint *chal, uchar chalbuf[32])
}
if(chatty)
fprint(2, "ssh-agent: challenge %B => %s\n", chal, p);
if(auth_rpc(rpc, "write", p, strlen(p)) != ARok){
if(auth_rpc(rpc, "writehex", p, strlen(p)) != ARok){
fprint(2, "ssh-agent: dorsa: auth 'write': %r\n");
free(p);
goto Die;
}
free(p);
if(auth_rpc(rpc, "read", nil, 0) != ARok){
if(auth_rpc(rpc, "readhex", nil, 0) != ARok){
fprint(2, "ssh-agent: dorsa: auth 'read': %r\n");
goto Die;
}
@ -973,6 +961,7 @@ runmsg(Aconn *a)
if(s == nil)
goto Failchal;
md5(sessid, 16, digest, s);
print("md5 %.*H %.*H => %.*H\n", 32, chalbuf, 16, sessid, MD5dlen, digest);
newreply(&m, SSH_AGENT_RSA_RESPONSE);
putn(&m, digest, 16);