- (tim) [configure.ac auth.c defines.h session.c openbsd-compat/port-uw.c

[openssh.git] / auth-krb5.c

diff --git a/auth-krb5.c b/auth-krb5.c
index 8377aed108170e7f3ac525058e5334df082563e5..c7367b49a2772e4d8aacb14de39165cbdda22af8 100644 (file)
--- a/auth-krb5.c
+++ b/auth-krb5.c
@@ -40,7 +40,6 @@ RCSID("$OpenBSD: auth-krb5.c,v 1.15 2003/11/21 11:57:02 djm Exp $");
 #include "auth.h"
 
 #ifdef KRB5
-
 #include <krb5.h>
 
 extern ServerOptions    options;
@@ -55,7 +54,6 @@ krb5_init(void *context)
                problem = krb5_init_context(&authctxt->krb5_ctx);
                if (problem)
                        return (problem);
-               krb5_init_ets(authctxt->krb5_ctx);
        }
        return (0);
 }
@@ -66,11 +64,10 @@ auth_krb5_password(Authctxt *authctxt, const char *password)
 #ifndef HEIMDAL
        krb5_creds creds;
        krb5_principal server;
-       char ccname[40];
-       int tmpfd;
 #endif
        krb5_error_code problem;
        krb5_ccache ccache = NULL;
+       int len;
 
        if (!authctxt->valid)
                return (0);
@@ -105,6 +102,7 @@ auth_krb5_password(Authctxt *authctxt, const char *password)
 
        if (problem)
                goto out;
+
        problem = krb5_cc_gen_new(authctxt->krb5_ctx, &krb5_fcc_ops,
            &authctxt->krb5_fwd_ccache);
        if (problem)
@@ -142,23 +140,7 @@ auth_krb5_password(Authctxt *authctxt, const char *password)
                goto out;
        }
 
-       snprintf(ccname,sizeof(ccname),"FILE:/tmp/krb5cc_%d_XXXXXX",geteuid());
-
-       if ((tmpfd = mkstemp(ccname+strlen("FILE:")))==-1) {
-               logit("mkstemp(): %.100s", strerror(errno));
-               problem = errno;
-               goto out;
-       }
-
-       if (fchmod(tmpfd,S_IRUSR | S_IWUSR) == -1) {
-               logit("fchmod(): %.100s", strerror(errno));
-               close(tmpfd);
-               problem = errno;
-               goto out;
-       }
-       close(tmpfd);
-
-       problem = krb5_cc_resolve(authctxt->krb5_ctx, ccname, &authctxt->krb5_fwd_ccache);
+       problem = ssh_krb5_cc_gen(authctxt->krb5_ctx, &authctxt->krb5_fwd_ccache);
        if (problem)
                goto out;
 
@@ -175,6 +157,16 @@ auth_krb5_password(Authctxt *authctxt, const char *password)
 
        authctxt->krb5_ticket_file = (char *)krb5_cc_get_name(authctxt->krb5_ctx, authctxt->krb5_fwd_ccache);
 
+       len = strlen(authctxt->krb5_ticket_file) + 6;
+       authctxt->krb5_ccname = xmalloc(len);
+       snprintf(authctxt->krb5_ccname, len, "FILE:%s",
+           authctxt->krb5_ticket_file);
+
+#ifdef USE_PAM
+       if (options.use_pam)
+               do_pam_putenv("KRB5CCNAME", authctxt->krb5_ccname);
+#endif
+
  out:
        restore_uid();
 
@@ -217,4 +209,34 @@ krb5_cleanup_proc(Authctxt *authctxt)
        }
 }
 
+#ifndef HEIMDAL
+krb5_error_code
+ssh_krb5_cc_gen(krb5_context ctx, krb5_ccache *ccache) {
+       int tmpfd, ret;
+       char ccname[40];
+       mode_t old_umask;
+
+       ret = snprintf(ccname, sizeof(ccname),
+           "FILE:/tmp/krb5cc_%d_XXXXXXXXXX", geteuid());
+       if (ret == -1 || ret >= sizeof(ccname))
+               return ENOMEM;
+
+       old_umask = umask(0177);
+       tmpfd = mkstemp(ccname + strlen("FILE:"));
+       umask(old_umask);
+       if (tmpfd == -1) {
+               logit("mkstemp(): %.100s", strerror(errno));
+               return errno;
+       }
+
+       if (fchmod(tmpfd,S_IRUSR | S_IWUSR) == -1) {
+               logit("fchmod(): %.100s", strerror(errno));
+               close(tmpfd);
+               return errno;
+       }
+       close(tmpfd);
+
+       return (krb5_cc_resolve(ctx, ccname, ccache));
+}
+#endif /* !HEIMDAL */
 #endif /* KRB5 */