/* Tallocs *output off ctx; return false if command fails. */
bool run_command(const void *ctx, unsigned int *time_ms, char **output,
const char *fmt, ...)
{
va_list ap;
char *cmd;
bool ok;
unsigned int default_time = default_timeout_ms;
if (!time_ms)
time_ms = &default_time;
else if (*time_ms == 0) {
*output = talloc_strdup(ctx, "\n== TIMED OUT ==\n");
return false;
}
va_start(ap, fmt);
cmd = talloc_vasprintf(ctx, fmt, ap);
va_end(ap);
*output = run_with_timeout(ctx, cmd, &ok, time_ms);
if (ok)
return true;
if (!*output)
err(1, "Problem running child");
if (*time_ms == 0)
*output = talloc_asprintf_append(*output,
"\n== TIMED OUT ==\n");
return false;
}
static void ltdb_log_fn(struct tdb_context *tdb, enum tdb_debug_level level, const char *fmt, ...)
{
va_list ap;
const char *name = tdb_name(tdb);
struct ldb_context *ldb = talloc_get_type(tdb_get_logging_private(tdb), struct ldb_context);
enum ldb_debug_level ldb_level;
char *message;
if (ldb == NULL)
return;
va_start(ap, fmt);
message = talloc_vasprintf(ldb, fmt, ap);
va_end(ap);
switch (level) {
case TDB_DEBUG_FATAL:
ldb_level = LDB_DEBUG_FATAL;
break;
case TDB_DEBUG_ERROR:
ldb_level = LDB_DEBUG_ERROR;
break;
case TDB_DEBUG_WARNING:
ldb_level = LDB_DEBUG_WARNING;
break;
case TDB_DEBUG_TRACE:
ldb_level = LDB_DEBUG_TRACE;
break;
default:
ldb_level = LDB_DEBUG_FATAL;
}
ldb_debug(ldb, ldb_level, "ltdb: tdb(%s): %s", name, message);
talloc_free(message);
}
/** Add a module failure message VALUE_PAIR to the request
*/
void module_failure_msg(REQUEST *request, char const *fmt, ...)
{
va_list ap;
char *p;
VALUE_PAIR *vp;
if (!fmt || !request->packet) {
va_start(ap, fmt);
va_end(ap);
return;
}
va_start(ap, fmt);
vp = paircreate(request->packet, PW_MODULE_FAILURE_MESSAGE, 0);
if (!vp) {
va_end(ap);
return;
}
p = talloc_vasprintf(vp, fmt, ap);
if (request->module && *request->module) {
pairsprintf(vp, "%s: %s", request->module, p);
} else {
pairsprintf(vp, "%s", p);
}
talloc_free(p);
pairadd(&request->packet->vps, vp);
}
/** Add a module failure message VALUE_PAIR to the request
*/
void vmodule_failure_msg(REQUEST *request, char const *fmt, va_list ap)
{
char *p;
VALUE_PAIR *vp;
va_list aq;
if (!fmt || !request->packet) {
return;
}
/*
* If we don't copy the original ap we get a segfault from vasprintf. This is apparently
* due to ap sometimes being implemented with a stack offset which is invalidated if
* ap is passed into another function. See here:
* http://julipedia.meroh.net/2011/09/using-vacopy-to-safely-pass-ap.html
*
* I don't buy that explanation, but doing a va_copy here does prevent SEGVs seen when
* running unit tests which generate errors under CI.
*/
va_copy(aq, ap);
p = talloc_vasprintf(request, fmt, aq);
va_end(aq);
MEM(vp = pairmake_packet("Module-Failure-Message", NULL, T_OP_ADD));
if (request->module && (request->module[0] != '\0')) {
pairsprintf(vp, "%s: %s", request->module, p);
} else {
pairsprintf(vp, "%s", p);
}
talloc_free(p);
}
static DBusError *sbus_error_new_va(TALLOC_CTX *mem_ctx,
const char *error_name,
const char *fmt,
va_list ap)
{
DBusError *error;
const char *error_msg;
error = talloc_zero(mem_ctx, DBusError);
if (error == NULL) {
return NULL;
}
if (fmt != NULL) {
error_msg = talloc_vasprintf(error, fmt, ap);
if (error_msg == NULL) {
talloc_free(error);
return NULL;
}
} else {
error_msg = NULL;
}
dbus_error_init(error);
dbus_set_error_const(error, error_name, error_msg);
return error;
}
/*
setup a packet queue on a socket
*/
struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
TALLOC_CTX *mem_ctx, int fd, int alignment,
ctdb_queue_cb_fn_t callback,
void *private_data, const char *fmt, ...)
{
struct ctdb_queue *queue;
va_list ap;
queue = talloc_zero(mem_ctx, struct ctdb_queue);
CTDB_NO_MEMORY_NULL(ctdb, queue);
va_start(ap, fmt);
queue->name = talloc_vasprintf(mem_ctx, fmt, ap);
va_end(ap);
CTDB_NO_MEMORY_NULL(ctdb, queue->name);
queue->im= tevent_create_immediate(queue);
CTDB_NO_MEMORY_NULL(ctdb, queue->im);
queue->ctdb = ctdb;
queue->fd = fd;
queue->alignment = alignment;
queue->private_data = private_data;
queue->callback = callback;
if (fd != -1) {
if (ctdb_queue_set_fd(queue, fd) != 0) {
talloc_free(queue);
return NULL;
}
}
talloc_set_destructor(queue, queue_destructor);
return queue;
}
/*
remember an error message
*/
void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...)
{
va_list ap;
talloc_free(ctdb->err_msg);
va_start(ap, fmt);
ctdb->err_msg = talloc_vasprintf(ctdb, fmt, ap);
DEBUG(DEBUG_ERR,("ctdb error: %s\n", ctdb->err_msg));
va_end(ap);
}
/** Print errors in the TLS thread local error stack
*
* Drains the thread local OpenSSL error queue, and prints out the first error
* storing it in libfreeradius's error buffer.
*
* @param[in] msg Error message describing the operation being attempted.
* @param[in] ap Arguments for msg.
* @return the number of errors drained from the stack.
*/
static int tls_strerror_printf_va(char const *msg, va_list ap)
{
unsigned long error;
char *p = NULL;
int drained = 0;
char buffer[256];
int line;
char const *file;
char const *data;
int flags = 0;
/*
* Pop the first error, so ERR_peek_error()
* can be used to determine if there are
* multiple errors.
*/
error = ERR_get_error_line_data(&file, &line, &data, &flags);
if (!(flags & ERR_TXT_STRING)) data = NULL;
if (msg) {
/*
* Print the error we were passed, and
* OpenSSL's error.
*/
p = talloc_vasprintf(NULL, msg, ap);
if (error) {
ERR_error_string_n(error, buffer, sizeof(buffer));
fr_strerror_printf("%s: %s%c%s", p, buffer, data ? ':' : '\0', data ? data : "");
talloc_free(p);
drained++;
/*
* Print the error we were given, irrespective
* of whether there were any OpenSSL errors.
*/
} else {
fr_strerror_printf("%s", p);
talloc_free(p);
}
} else if (error) {
ERR_error_string_n(error, buffer, sizeof(buffer));
fr_strerror_printf("%s%c%s", buffer, data ? ':' : '\0', data ? data : "");
drained++;
} else {
return 0;
}
while ((error = ERR_get_error_line_data(&file, &line, &data, &flags))) {
if (!(flags & ERR_TXT_STRING)) data = NULL;
ERR_error_string_n(error, buffer, sizeof(buffer));
fr_strerror_printf_push("%s%c%s", buffer, data ? ':' : '\0', data ? data : "");
drained++;
}
return drained;
}
/**
* Perform string formatting, and return a pointer to newly allocated
* memory holding the result, inside a memory pool.
**/
char *talloc_asprintf(TALLOC_CTX *t, const char *fmt, ...)
{
va_list ap;
char *ret;
va_start(ap, fmt);
ret = talloc_vasprintf(t, fmt, ap);
va_end(ap);
return ret;
}
static void dlz_bind9_log_wrapper(int level, const char *fmt, ...)
{
va_list ap;
char *msg;
va_start(ap, fmt);
msg = talloc_vasprintf(NULL, fmt, ap);
torture_comment(tctx_static, "%s\n", msg);
TALLOC_FREE(msg);
va_end(ap);
}
static int fprintf_attr(FILE *add_fd, const char *attr_name,
const char *fmt, ...)
{
va_list ap;
char *value, *p, *base64;
DATA_BLOB base64_blob;
bool do_base64 = false;
int res;
va_start(ap, fmt);
value = talloc_vasprintf(NULL, fmt, ap);
va_end(ap);
SMB_ASSERT(value != NULL);
for (p=value; *p; p++) {
if (*p & 0x80) {
do_base64 = true;
break;
}
}
if (!do_base64) {
bool only_whitespace = true;
for (p=value; *p; p++) {
/*
* I know that this not multibyte safe, but we break
* on the first non-whitespace character anyway.
*/
if (!isspace(*p)) {
only_whitespace = false;
break;
}
}
if (only_whitespace) {
do_base64 = true;
}
}
if (!do_base64) {
res = fprintf(add_fd, "%s: %s\n", attr_name, value);
TALLOC_FREE(value);
return res;
}
base64_blob.data = (unsigned char *)value;
base64_blob.length = strlen(value);
base64 = base64_encode_data_blob(value, base64_blob);
SMB_ASSERT(base64 != NULL);
res = fprintf(add_fd, "%s:: %s\n", attr_name, base64);
TALLOC_FREE(value);
return res;
}
void nc_scr_status_printf(struct nc_scr *scr, const char *format, ...)
{
va_list ap;
nc_scr_status_free(scr);
va_start(ap, format);
scr->frame.status = talloc_vasprintf(scr, format, ap);
va_end(ap);
nc_scr_status_draw(scr);
wrefresh(scr->main_ncw);
}
void ctdb_set_child_info(TALLOC_CTX *mem_ctx, const char *child_name_fmt, ...)
{
if (child_name_fmt != NULL) {
va_list ap;
char *t;
va_start(ap, child_name_fmt);
t = talloc_vasprintf(mem_ctx, child_name_fmt, ap);
debug_extra = talloc_asprintf(mem_ctx, "%s:", t);
talloc_free(t);
va_end(ap);
}
}
/*
log a message, and set the ldb error string to the same message
*/
void ldb_debug_set(struct ldb_context *ldb, enum ldb_debug_level level,
const char *fmt, ...)
{
va_list ap;
char *msg;
va_start(ap, fmt);
msg = talloc_vasprintf(ldb, fmt, ap);
va_end(ap);
if (msg != NULL) {
ldb_set_errstring(ldb, msg);
ldb_debug(ldb, level, "%s", msg);
}
talloc_free(msg);
}
/**
* Create a new talloc context, with a name specifying its purpose.
* Please call this in preference to talloc_init().
**/
TALLOC_CTX *talloc_init_named(char const *fmt, ...)
{
TALLOC_CTX *t;
va_list ap;
t = talloc_init();
if (t && fmt) {
va_start(ap, fmt);
t->name = talloc_vasprintf(t, fmt, ap);
va_end(ap);
}
return t;
}
/*
search the sam for the specified attributes - va_list variant
*/
int gendb_search_v(struct ldb_context *ldb,
TALLOC_CTX *mem_ctx,
struct ldb_dn *basedn,
struct ldb_message ***msgs,
const char * const *attrs,
const char *format,
va_list ap)
{
enum ldb_scope scope = LDB_SCOPE_SUBTREE;
struct ldb_result *res;
char *expr = NULL;
int ret;
if (format) {
expr = talloc_vasprintf(mem_ctx, format, ap);
if (expr == NULL) {
return -1;
}
} else {
scope = LDB_SCOPE_BASE;
}
res = NULL;
ret = ldb_search(ldb, mem_ctx, &res, basedn, scope, attrs,
expr?"%s":NULL, expr);
if (ret == LDB_SUCCESS) {
talloc_steal(mem_ctx, res->msgs);
DEBUG(6,("gendb_search_v: %s %s -> %d\n",
basedn?ldb_dn_get_linearized(basedn):"NULL",
expr?expr:"NULL", res->count));
ret = res->count;
*msgs = res->msgs;
talloc_free(res);
} else if (scope == LDB_SCOPE_BASE && ret == LDB_ERR_NO_SUCH_OBJECT) {
ret = 0;
*msgs = NULL;
} else {
DEBUG(4,("gendb_search_v: search failed: %s\n",
ldb_errstring(ldb)));
ret = -1;
}
talloc_free(expr);
return ret;
}
/**
* Comment on the status/progress of a test
*/
void torture_comment(struct torture_context *context, const char *comment, ...)
{
va_list ap;
char *tmp;
if (!context->results->ui_ops->comment)
return;
va_start(ap, comment);
tmp = talloc_vasprintf(context, comment, ap);
context->results->ui_ops->comment(context, tmp);
talloc_free(tmp);
}
/**
* Store the result of a torture test.
*/
void torture_result(struct torture_context *context,
enum torture_result result, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
if (context->last_reason) {
torture_warning(context, "%s", context->last_reason);
talloc_free(context->last_reason);
}
context->last_result = result;
context->last_reason = talloc_vasprintf(context, fmt, ap);
va_end(ap);
}
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;
}
/*
add a printf formatted element to a message
*/
int ldb_msg_add_fmt(struct ldb_message *msg,
const char *attr_name, const char *fmt, ...)
{
struct ldb_val val;
va_list ap;
char *str;
va_start(ap, fmt);
str = talloc_vasprintf(msg, fmt, ap);
va_end(ap);
if (str == NULL) return LDB_ERR_OPERATIONS_ERROR;
val.data = (uint8_t *)str;
val.length = strlen(str);
return ldb_msg_add_steal_value(msg, attr_name, &val);
}
static void __attribute__((format(__printf__, 4, 5))) update_status(
boot_status_fn fn, void *arg, int type, char *fmt, ...)
{
struct boot_status status;
va_list ap;
va_start(ap, fmt);
status.message = talloc_vasprintf(NULL, fmt, ap);
va_end(ap);
status.type = type;
status.progress = -1;
status.detail = NULL;
pb_debug("boot status: [%d] %s\n", type, status.message);
fn(arg, &status);
talloc_free(status.message);
}
/*
setup a packet queue on a socket
*/
struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
TALLOC_CTX *mem_ctx, int fd, int alignment,
ctdb_queue_cb_fn_t callback,
void *private_data, const char *fmt, ...)
{
struct ctdb_queue *queue;
va_list ap;
queue = talloc_zero(mem_ctx, struct ctdb_queue);
CTDB_NO_MEMORY_NULL(ctdb, queue);
va_start(ap, fmt);
queue->name = talloc_vasprintf(mem_ctx, fmt, ap);
va_end(ap);
CTDB_NO_MEMORY_NULL(ctdb, queue->name);
queue->im= tevent_create_immediate(queue);
CTDB_NO_MEMORY_NULL(ctdb, queue->im);
queue->ctdb = ctdb;
queue->fd = fd;
queue->alignment = alignment;
queue->private_data = private_data;
queue->callback = callback;
if (fd != -1) {
if (ctdb_queue_set_fd(queue, fd) != 0) {
talloc_free(queue);
return NULL;
}
}
talloc_set_destructor(queue, queue_destructor);
queue->buffer_size = ctdb->tunable.queue_buffer_size;
/* In client code, ctdb->tunable is not initialized.
* This does not affect recovery daemon.
*/
if (queue->buffer_size == 0) {
queue->buffer_size = 1024;
}
return queue;
}
static void ctdb_send_error(struct ctdb_context *ctdb,
struct ctdb_req_header *hdr, uint32_t status,
const char *fmt, ...)
{
va_list ap;
struct ctdb_reply_error *r;
char *msg;
int msglen, len;
va_start(ap, fmt);
msg = talloc_vasprintf(ctdb, fmt, ap);
if (msg == NULL) {
ctdb_fatal(ctdb, "Unable to allocate error in ctdb_send_error\n");
}
va_end(ap);
msglen = strlen(msg)+1;
len = offsetof(struct ctdb_reply_error, msg);
r = ctdb->methods->allocate_pkt(msg, len + msglen);
CTDB_NO_MEMORY_FATAL(ctdb, r);
talloc_set_name_const(r, "send_error packet");
r->hdr.length = len + msglen;
r->hdr.ctdb_magic = CTDB_MAGIC;
r->hdr.ctdb_version = CTDB_VERSION;
r->hdr.operation = CTDB_REPLY_ERROR;
r->hdr.destnode = hdr->srcnode;
r->hdr.srcnode = ctdb->vnn;
r->hdr.reqid = hdr->reqid;
r->status = status;
r->msglen = msglen;
memcpy(&r->msg[0], msg, msglen);
ctdb_queue_packet(ctdb, &r->hdr);
talloc_free(msg);
}
/** Add a module failure message VALUE_PAIR to the request
*/
void vmodule_failure_msg(REQUEST *request, char const *fmt, va_list ap)
{
char *p;
VALUE_PAIR *vp;
va_list aq;
if (!fmt || !request->packet) {
return;
}
vp = paircreate(request->packet, PW_MODULE_FAILURE_MESSAGE, 0);
if (!vp) {
return;
}
/*
* If we don't copy the original ap we get a segfault from vasprintf. This is apparently
* due to ap sometimes being implemented with a stack offset which is invalidated if
* ap is passed into another function. See here:
* http://julipedia.meroh.net/2011/09/using-vacopy-to-safely-pass-ap.html
*
* I don't buy that explanation, but doing a va_copy here does prevent SEGVs seen when
* running unit tests which generate errors under CI.
*/
va_copy(aq, ap);
p = talloc_vasprintf(vp, fmt, aq);
talloc_set_type(p, char);
va_end(aq);
if (request->module && *request->module) {
pairsprintf(vp, "%s: %s", request->module, p);
} else {
pairsprintf(vp, "%s", p);
}
talloc_free(p);
pairadd(&request->packet->vps, vp);
}
/** Print errors in the TLS thread local error stack
*
* Drains the thread local OpenSSL error queue, and prints out errors.
*
* @param[in] request The current request (may be NULL).
* @param[in] msg Error message describing the operation being attempted.
* @param[in] ap Arguments for msg.
* @return the number of errors drained from the stack.
*/
static int tls_log_error_va(REQUEST *request, char const *msg, va_list ap)
{
unsigned long error;
char *p;
int in_stack = 0;
char buffer[256];
int line;
char const *file;
char const *data;
int flags = 0;
/*
* Pop the first error, so ERR_peek_error()
* can be used to determine if there are
* multiple errors.
*/
error = ERR_get_error_line_data(&file, &line, &data, &flags);
if (!(flags & ERR_TXT_STRING)) data = NULL;
if (msg) {
p = talloc_vasprintf(request, msg, ap);
/*
* Single line mode (there's only one error)
*/
if (error && !ERR_peek_error()) {
ERR_error_string_n(error, buffer, sizeof(buffer));
/* Extra verbose */
if ((request && RDEBUG_ENABLED3) || DEBUG_ENABLED3) {
ROPTIONAL(REDEBUG, ERROR, "%s: %s[%i]:%s%c%s", p, file, line, buffer,
data ? ':' : '\0', data ? data : "");
} else {
ROPTIONAL(REDEBUG, ERROR, "%s: %s%c%s", p, buffer,
data ? ':' : '\0', data ? data : "");
}
talloc_free(p);
return 1;
}
/*
* Print the error we were given, irrespective
* of whether there were any OpenSSL errors.
*/
ROPTIONAL(RERROR, ERROR, "%s", p);
talloc_free(p);
}
/*
* Stack mode (there are multiple errors)
*/
if (!error) return 0;
do {
if (!(flags & ERR_TXT_STRING)) data = NULL;
ERR_error_string_n(error, buffer, sizeof(buffer));
/* Extra verbose */
if ((request && RDEBUG_ENABLED3) || DEBUG_ENABLED3) {
ROPTIONAL(REDEBUG, ERROR, "%s[%i]:%s%c%s", file, line, buffer,
data ? ':' : '\0', data ? data : "");
} else {
ROPTIONAL(REDEBUG, ERROR, "%s%c%s", buffer,
data ? ':' : '\0', data ? data : "");
}
in_stack++;
} while ((error = ERR_get_error_line_data(&file, &line, &data, &flags)));
return in_stack;
}
struct ldb_dn *basedn, enum ldb_scope scope,
const char * const *attrs,
int dsdb_flags,
const char *format, ...) _PRINTF_ATTRIBUTE(8, 9)
{
int ret;
struct ldb_request *req;
TALLOC_CTX *tmp_ctx;
struct ldb_result *res;
va_list ap;
char *expression;
tmp_ctx = talloc_new(mem_ctx);
va_start(ap, format);
expression = talloc_vasprintf(tmp_ctx, format, ap);
va_end(ap);
res = talloc_zero(tmp_ctx, struct ldb_result);
if (!res) {
return LDB_ERR_OPERATIONS_ERROR;
}
ret = ldb_build_search_req(&req, ldb_module_get_ctx(module), tmp_ctx,
basedn,
scope,
expression,
attrs,
NULL,
res,
ldb_search_default_callback,
