/* Unix SMB/CIFS implementation. Wrapper for krb5_init_context Copyright (C) Andrew Bartlett 2005 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "includes.h" #include "system/kerberos.h" #include "auth/kerberos/kerberos.h" static int smb_krb5_context_destroy_1(void *ptr) { struct smb_krb5_context *ctx = ptr; krb5_free_context(ctx->krb5_context); return 0; } static int smb_krb5_context_destroy_2(void *ptr) { struct smb_krb5_context *ctx = ptr; /* Otherwise krb5_free_context will try and close what we have already free()ed */ krb5_set_warn_dest(ctx->krb5_context, NULL); krb5_closelog(ctx->krb5_context, ctx->logf); smb_krb5_context_destroy_1(ptr); return 0; } /* We never close down the DEBUG system, and no need to unreference the use */ static void smb_krb5_debug_close(void *private) { return; } static void smb_krb5_debug_wrapper(const char *timestr, const char *msg, void *private) { DEBUG(3, ("Kerberos: %s\n", msg)); } krb5_error_code smb_krb5_init_context(void *parent_ctx, struct smb_krb5_context **smb_krb5_context) { krb5_error_code ret; TALLOC_CTX *tmp_ctx; initialize_krb5_error_table(); tmp_ctx = talloc_new(parent_ctx); *smb_krb5_context = talloc(tmp_ctx, struct smb_krb5_context); if (!*smb_krb5_context || !tmp_ctx) { talloc_free(*smb_krb5_context); talloc_free(tmp_ctx); return ENOMEM; } ret = krb5_init_context(&(*smb_krb5_context)->krb5_context); if (ret) { DEBUG(1,("krb5_init_context failed (%s)\n", error_message(ret))); return ret; } talloc_set_destructor(*smb_krb5_context, smb_krb5_context_destroy_1); if (lp_realm() && *lp_realm()) { char *upper_realm = strupper_talloc(tmp_ctx, lp_realm()); if (!upper_realm) { DEBUG(1,("gensec_krb5_start: could not uppercase realm: %s\n", lp_realm())); talloc_free(tmp_ctx); return ENOMEM; } ret = krb5_set_default_realm((*smb_krb5_context)->krb5_context, lp_realm()); if (ret) { DEBUG(1,("krb5_set_default_realm failed (%s)\n", smb_get_krb5_error_message((*smb_krb5_context)->krb5_context, ret, tmp_ctx))); talloc_free(tmp_ctx); return ret; } } /* TODO: Should we have a different name here? */ ret = krb5_initlog((*smb_krb5_context)->krb5_context, "Samba", &(*smb_krb5_context)->logf); if (ret) { DEBUG(1,("krb5_initlog failed (%s)\n", smb_get_krb5_error_message((*smb_krb5_context)->krb5_context, ret, tmp_ctx))); talloc_free(tmp_ctx); return ret; } talloc_set_destructor(*smb_krb5_context, smb_krb5_context_destroy_2); ret = krb5_addlog_func((*smb_krb5_context)->krb5_context, (*smb_krb5_context)->logf, 0 /* min */, -1 /* max */, smb_krb5_debug_wrapper, smb_krb5_debug_close, NULL); if (ret) { DEBUG(1,("krb5_addlog_func failed (%s)\n", smb_get_krb5_error_message((*smb_krb5_context)->krb5_context, ret, tmp_ctx))); talloc_free(tmp_ctx); return ret; } krb5_set_warn_dest((*smb_krb5_context)->krb5_context, (*smb_krb5_context)->logf); talloc_steal(parent_ctx, *smb_krb5_context); talloc_free(tmp_ctx); /* Set options in kerberos */ (*smb_krb5_context)->krb5_context->fdns = FALSE; return 0; } void smb_krb5_free_context(struct smb_krb5_context *smb_krb5_context) { talloc_free(smb_krb5_context); }