- [auth-krb5.c auth.h gss-serv-krb5.c] Move KRB5CCNAME generation for the MIT

[openssh.git] / auth-krb5.c

diff --git a/auth-krb5.c b/auth-krb5.c
index 2f742534aa9af249352a1942d501f785d1859417..01b387c233ae5e98d99865ecb5fa00bf19339b61 100644 (file)
--- a/auth-krb5.c
+++ b/auth-krb5.c
@@ -67,9 +67,6 @@ auth_krb5_password(Authctxt *authctxt, const char *password)
 #ifndef HEIMDAL
        krb5_creds creds;
        krb5_principal server;
-       char ccname[40];
-       int tmpfd;
-       mode_t old_umask;
 #endif
        krb5_error_code problem;
        krb5_ccache ccache = NULL;
@@ -146,26 +143,7 @@ auth_krb5_password(Authctxt *authctxt, const char *password)
                goto out;
        }
 
-       snprintf(ccname,sizeof(ccname),"FILE:/tmp/krb5cc_%d_XXXXXX",geteuid());
-
-       old_umask = umask(0177);
-       tmpfd = mkstemp(ccname + strlen("FILE:"));
-       umask(old_umask);
-       if (tmpfd == -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;
 
@@ -234,4 +212,34 @@ 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 errno;
+
+       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 */