Files
sudo/plugins/sudoers/plugin_error.c

171 lines
3.5 KiB
C

/*
* Copyright (c) 2004-2005, 2010-2012 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#include <sys/types.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <setjmp.h>
#include "missing.h"
#include "alloc.h"
#include "error.h"
#include "sudo_plugin.h"
#define DEFAULT_TEXT_DOMAIN "sudoers"
#include "gettext.h"
static void _warning(int, const char *, va_list);
void sudoers_cleanup(int);
sigjmp_buf error_jmp;
extern sudo_conv_t sudo_conv;
void
error_nodebug(int eval, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
_warning(1, fmt, ap);
va_end(ap);
sudoers_cleanup(0);
if (sudo_conv != NULL)
siglongjmp(error_jmp, eval);
else
exit(eval);
}
void
errorx_nodebug(int eval, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
_warning(0, fmt, ap);
va_end(ap);
sudoers_cleanup(0);
if (sudo_conv != NULL)
siglongjmp(error_jmp, eval);
else
exit(eval);
}
void
verror_nodebug(int eval, const char *fmt, va_list ap)
{
_warning(1, fmt, ap);
sudoers_cleanup(0);
if (sudo_conv != NULL)
siglongjmp(error_jmp, eval);
else
exit(eval);
}
void
verrorx_nodebug(int eval, const char *fmt, va_list ap)
{
_warning(0, fmt, ap);
sudoers_cleanup(0);
if (sudo_conv != NULL)
siglongjmp(error_jmp, eval);
else
exit(eval);
}
void
warning_nodebug(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
_warning(1, fmt, ap);
va_end(ap);
}
void
warningx_nodebug(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
_warning(0, fmt, ap);
va_end(ap);
}
void
vwarning_nodebug(const char *fmt, va_list ap)
{
_warning(1, fmt, ap);
}
void
vwarningx_nodebug(const char *fmt, va_list ap)
{
_warning(0, fmt, ap);
}
static void
_warning(int use_errno, const char *fmt, va_list ap)
{
int serrno = errno;
if (sudo_conv != NULL) {
struct sudo_conv_message msg[6];
struct sudo_conv_reply repl[6];
int nmsgs = 4;
char *str;
evasprintf(&str, _(fmt), ap);
/* Call conversation function */
memset(&msg, 0, sizeof(msg));
msg[0].msg_type = SUDO_CONV_ERROR_MSG;
msg[0].msg = getprogname();
msg[1].msg_type = SUDO_CONV_ERROR_MSG;
msg[1].msg = _(": ");
msg[2].msg_type = SUDO_CONV_ERROR_MSG;
msg[2].msg = str;
if (use_errno) {
msg[3].msg_type = SUDO_CONV_ERROR_MSG;
msg[3].msg = _(": ");
msg[4].msg_type = SUDO_CONV_ERROR_MSG;
msg[4].msg = strerror(errno);
nmsgs = 6;
}
msg[nmsgs - 1].msg_type = SUDO_CONV_ERROR_MSG;
msg[nmsgs - 1].msg = "\n";
memset(&repl, 0, sizeof(repl));
sudo_conv(nmsgs, msg, repl);
efree(str);
} else {
fputs(getprogname(), stderr);
if (fmt != NULL) {
fputs(_(": "), stderr);
vfprintf(stderr, _(fmt), ap);
}
if (use_errno) {
fputs(_(": "), stderr);
fputs(strerror(serrno), stderr);
}
putc('\n', stderr);
}
}