63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/*-
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* Copyright 2001 Mark R V Murray
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <libgen.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <security/pam_appl.h>
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#include <security/openpam.h>
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#include <security/pam_mod_misc.h>
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/* Print a verbose error, including the function name and a
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* cleaned up filename.
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*/
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void
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_pam_verbose_error(pam_handle_t *pamh, int flags,
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const char *file, const char *function, const char *format, ...)
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{
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va_list ap;
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char *fmtbuf, *modname, *period;
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if (!(flags & PAM_SILENT) && !openpam_get_option(pamh, "no_warn")) {
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modname = basename(file);
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period = strchr(modname, '.');
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if (period == NULL)
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period = strchr(modname, '\0');
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va_start(ap, format);
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asprintf(&fmtbuf, "%.*s: %s: %s\n", (int)(period - modname),
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modname, function, format);
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pam_verror(pamh, fmtbuf, ap);
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free(fmtbuf);
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va_end(ap);
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}
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}
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