/* * Unix SMB/CIFS implementation. * NetApi Support * Copyright (C) Guenther Deschner 2007-2008 * * 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 3 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, see <http://www.gnu.org/licenses/>. */ #include "includes.h" #include "lib/netapi/netapi.h" #include "lib/netapi/netapi_private.h" extern bool AllowDebugChange; struct libnetapi_ctx *stat_ctx = NULL; TALLOC_CTX *frame = NULL; static bool libnetapi_initialized = false; /**************************************************************** ****************************************************************/ NET_API_STATUS libnetapi_init(struct libnetapi_ctx **context) { struct libnetapi_ctx *ctx = NULL; char *krb5_cc_env = NULL; if (stat_ctx && libnetapi_initialized) { *context = stat_ctx; return NET_API_STATUS_SUCCESS; } #ifdef DEVELOPER talloc_enable_leak_report(); #endif frame = talloc_stackframe(); ctx = talloc_zero(frame, struct libnetapi_ctx); if (!ctx) { TALLOC_FREE(frame); return W_ERROR_V(WERR_NOMEM); } if (!DEBUGLEVEL) { DEBUGLEVEL = 0; } /* prevent setup_logging() from closing x_stderr... */ dbf = 0; setup_logging("libnetapi", true); dbf = x_stderr; x_setbuf(x_stderr, NULL); AllowDebugChange = false; load_case_tables(); if (!lp_load(get_dyn_CONFIGFILE(), true, false, false, false)) { TALLOC_FREE(frame); fprintf(stderr, "lp_load failed\n"); return W_ERROR_V(WERR_GENERAL_FAILURE); } AllowDebugChange = true; init_names(); load_interfaces(); reopen_logs(); BlockSignals(True, SIGPIPE); krb5_cc_env = getenv(KRB5_ENV_CCNAME); if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) { ctx->krb5_cc_env = talloc_strdup(frame, "MEMORY:libnetapi"); setenv(KRB5_ENV_CCNAME, ctx->krb5_cc_env, 1); } ctx->username = talloc_strdup(frame, getenv("USER")); if (!ctx->username) { TALLOC_FREE(frame); fprintf(stderr, "out of memory\n"); return W_ERROR_V(WERR_NOMEM); } libnetapi_initialized = true; *context = stat_ctx = ctx; return NET_API_STATUS_SUCCESS; } /**************************************************************** ****************************************************************/ NET_API_STATUS libnetapi_getctx(struct libnetapi_ctx **ctx) { if (stat_ctx) { *ctx = stat_ctx; return NET_API_STATUS_SUCCESS; } return libnetapi_init(ctx); } /**************************************************************** ****************************************************************/ NET_API_STATUS libnetapi_free(struct libnetapi_ctx *ctx) { if (!ctx) { return NET_API_STATUS_SUCCESS; } libnetapi_shutdown_cm(ctx); if (ctx->krb5_cc_env) { char *env = getenv(KRB5_ENV_CCNAME); if (env && (strequal(ctx->krb5_cc_env, env))) { unsetenv(KRB5_ENV_CCNAME); } } gfree_names(); gfree_loadparm(); gfree_case_tables(); gfree_charcnv(); gfree_interfaces(); gencache_shutdown(); secrets_shutdown(); TALLOC_FREE(ctx); TALLOC_FREE(frame); gfree_debugsyms(); return NET_API_STATUS_SUCCESS; } /**************************************************************** ****************************************************************/ NET_API_STATUS libnetapi_set_debuglevel(struct libnetapi_ctx *ctx, const char *debuglevel) { AllowDebugChange = true; ctx->debuglevel = talloc_strdup(ctx, debuglevel); if (!debug_parse_levels(debuglevel)) { return W_ERROR_V(WERR_GENERAL_FAILURE); } return NET_API_STATUS_SUCCESS; } /**************************************************************** ****************************************************************/ NET_API_STATUS libnetapi_get_debuglevel(struct libnetapi_ctx *ctx, char **debuglevel) { *debuglevel = ctx->debuglevel; return NET_API_STATUS_SUCCESS; } /**************************************************************** ****************************************************************/ NET_API_STATUS libnetapi_set_username(struct libnetapi_ctx *ctx, const char *username) { TALLOC_FREE(ctx->username); ctx->username = talloc_strdup(ctx, username ? username : ""); if (!ctx->username) { return W_ERROR_V(WERR_NOMEM); } return NET_API_STATUS_SUCCESS; } NET_API_STATUS libnetapi_set_password(struct libnetapi_ctx *ctx, const char *password) { TALLOC_FREE(ctx->password); ctx->password = talloc_strdup(ctx, password); if (!ctx->password) { return W_ERROR_V(WERR_NOMEM); } return NET_API_STATUS_SUCCESS; } NET_API_STATUS libnetapi_set_workgroup(struct libnetapi_ctx *ctx, const char *workgroup) { TALLOC_FREE(ctx->workgroup); ctx->workgroup = talloc_strdup(ctx, workgroup); if (!ctx->workgroup) { return W_ERROR_V(WERR_NOMEM); } return NET_API_STATUS_SUCCESS; } /**************************************************************** ****************************************************************/ NET_API_STATUS libnetapi_set_use_kerberos(struct libnetapi_ctx *ctx) { ctx->use_kerberos = true; return NET_API_STATUS_SUCCESS; } /**************************************************************** ****************************************************************/ const char *libnetapi_errstr(NET_API_STATUS status) { if (status & 0xc0000000) { return get_friendly_nt_error_msg(NT_STATUS(status)); } return get_friendly_werror_msg(W_ERROR(status)); } /**************************************************************** ****************************************************************/ NET_API_STATUS libnetapi_set_error_string(struct libnetapi_ctx *ctx, const char *format, ...) { va_list args; TALLOC_FREE(ctx->error_string); va_start(args, format); ctx->error_string = talloc_vasprintf(ctx, format, args); va_end(args); if (!ctx->error_string) { return W_ERROR_V(WERR_NOMEM); } return NET_API_STATUS_SUCCESS; } /**************************************************************** ****************************************************************/ const char *libnetapi_get_error_string(struct libnetapi_ctx *ctx, NET_API_STATUS status) { struct libnetapi_ctx *tmp_ctx = ctx; if (!tmp_ctx) { status = libnetapi_getctx(&tmp_ctx); if (status != 0) { return NULL; } } if (tmp_ctx->error_string) { return tmp_ctx->error_string; } return libnetapi_errstr(status); } /**************************************************************** ****************************************************************/ NET_API_STATUS NetApiBufferFree(void *buffer) { if (!buffer) { return W_ERROR_V(WERR_INSUFFICIENT_BUFFER); } talloc_free(buffer); return NET_API_STATUS_SUCCESS; }