2 * Copyright 2001 Mark R V Murray
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <security/pam_modules.h>
37 #include "pam_mod_misc.h"
41 static char *modulename(const char *);
43 /* Log a debug message, including the function name and a
44 * cleaned up filename.
47 _pam_log(struct options *options, const char *file, const char *function,
48 const char *format, ...)
51 char *fmtbuf, *modname;
53 if (pam_test_option(options, PAM_OPT_DEBUG, NULL)) {
54 modname = modulename(file);
56 asprintf(&fmtbuf, "%s: %s: %s", modname, function, format);
57 vsyslog(LOG_DEBUG, fmtbuf, ap);
63 /* Log a return value, including the function name and a
64 * cleaned up filename.
67 _pam_log_retval(struct options *options, const char *file, const char *function,
72 if (pam_test_option(options, PAM_OPT_DEBUG, NULL)) {
73 modname = modulename(file);
77 syslog(LOG_DEBUG, "%s: %s: returning PAM_SUCCESS",
81 syslog(LOG_DEBUG, "%s: %s: returning PAM_AUTH_ERR",
85 syslog(LOG_DEBUG, "%s: %s: returning PAM_IGNORE",
89 syslog(LOG_DEBUG, "%s: %s: returning (%d)",
90 modname, function, retval);
97 /* Print a verbose error, including the function name and a
98 * cleaned up filename.
101 _pam_verbose_error(pam_handle_t *pamh, struct options *options,
102 const char *file, const char *function, const char *format, ...)
105 char *statusmsg, *fmtbuf, *modname;
107 if (!pam_test_option(options, PAM_OPT_NO_WARN, NULL)) {
108 modname = modulename(file);
109 va_start(ap, format);
110 asprintf(&fmtbuf, "%s: %s: %s", modname, function, format);
111 vasprintf(&statusmsg, fmtbuf, ap);
112 pam_prompt(pamh, PAM_ERROR_MSG, statusmsg, NULL);
120 modulename(const char *file)
122 char *modname, *period;
124 modname = strdup(basename(file));
125 period = strchr(modname, '.');