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authorSteve Langasek <steve.langasek@ubuntu.com>2019-01-03 16:26:05 -0800
committerSteve Langasek <steve.langasek@ubuntu.com>2019-01-03 17:26:38 -0800
commit9c52e721044e7501c3d4567b36d222dc7326224a (patch)
tree9011790770130c60a712a6f125ad50d60e07cc74 /libpam_misc
parent9727ff2a3fa0e94a42b34a579027bacf4146d571 (diff)
parent186ff16e8d12ff15d518000c17f115ccab5275a4 (diff)
New upstream version 1.0.1
Diffstat (limited to 'libpam_misc')
-rw-r--r--libpam_misc/Makefile.am23
-rw-r--r--libpam_misc/Makefile.in562
-rw-r--r--libpam_misc/help_env.c88
-rw-r--r--libpam_misc/include/security/pam_misc.h52
-rw-r--r--libpam_misc/libpam_misc.map17
-rw-r--r--libpam_misc/misc_conv.c395
6 files changed, 1137 insertions, 0 deletions
diff --git a/libpam_misc/Makefile.am b/libpam_misc/Makefile.am
new file mode 100644
index 00000000..592c73e4
--- /dev/null
+++ b/libpam_misc/Makefile.am
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2005 Thorsten Kukuk <kukuk@suse.de>
+#
+
+CLEANFILES = *~
+
+EXTRA_DIST = libpam_misc.map
+
+include_HEADERS = include/security/pam_misc.h
+
+AM_CFLAGS = -I$(top_srcdir)/libpam/include \
+ -I$(top_srcdir)/libpamc/include -I$(srcdir)/include
+
+libpam_misc_la_LDFLAGS = -no-undefined -version-info 81:3:81
+if HAVE_VERSIONING
+ libpam_misc_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libpam_misc.map
+endif
+libpam_misc_la_LIBADD = $(top_builddir)/libpam/libpam.la
+
+lib_LTLIBRARIES = libpam_misc.la
+
+libpam_misc_la_SOURCES = help_env.c misc_conv.c
+
diff --git a/libpam_misc/Makefile.in b/libpam_misc/Makefile.in
new file mode 100644
index 00000000..d7289178
--- /dev/null
+++ b/libpam_misc/Makefile.in
@@ -0,0 +1,562 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+#
+# Copyright (c) 2005 Thorsten Kukuk <kukuk@suse.de>
+#
+
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+ || cp -p $$d/$$file $(distdir)/$$file \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES) $(HEADERS)
+installdirs:
+ for dir in "$(DESTDIR)$(libdir)" "$(DESTDIR)$(includedir)"; do \
+ test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+ done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ `test -z '$(STRIP)' || \
+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+ -test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libLTLIBRARIES clean-libtool \
+ mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am: install-includeHEADERS
+
+install-dvi: install-dvi-am
+
+install-exec-am: install-libLTLIBRARIES
+
+install-html: install-html-am
+
+install-info: install-info-am
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-ps: install-ps-am
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-includeHEADERS uninstall-libLTLIBRARIES
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libLTLIBRARIES clean-libtool ctags distclean \
+ distclean-compile distclean-generic distclean-libtool \
+ distclean-tags distdir dvi dvi-am html html-am info info-am \
+ install install-am install-data install-data-am install-dvi \
+ install-dvi-am install-exec install-exec-am install-html \
+ install-html-am install-includeHEADERS install-info \
+ install-info-am install-libLTLIBRARIES install-man install-pdf \
+ install-pdf-am install-ps install-ps-am install-strip \
+ installcheck installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+ tags uninstall uninstall-am uninstall-includeHEADERS \
+ uninstall-libLTLIBRARIES
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/libpam_misc/help_env.c b/libpam_misc/help_env.c
new file mode 100644
index 00000000..f57951af
--- /dev/null
+++ b/libpam_misc/help_env.c
@@ -0,0 +1,88 @@
+/*
+ * $Id: help_env.c,v 1.4 2005/09/20 08:31:27 kukuk Exp $
+ *
+ * This file was written by Andrew G. Morgan <morgan@parc.power.net>
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <security/pam_misc.h>
+
+/*
+ * This function should be used to carefully dispose of the copied
+ * environment.
+ *
+ * usage: env = pam_misc_drop_env(env);
+ */
+
+char **pam_misc_drop_env(char **dump)
+{
+ int i;
+
+ for (i=0; dump[i] != NULL; ++i) {
+ D(("dump[%d]=`%s'", i, dump[i]));
+ _pam_overwrite(dump[i]);
+ _pam_drop(dump[i]);
+ }
+ _pam_drop(dump);
+
+ return NULL;
+}
+
+/*
+ * This function takes the supplied environment and uploads it to be
+ * the PAM one.
+ */
+
+int pam_misc_paste_env(pam_handle_t *pamh, const char * const * user_env)
+{
+ for (; user_env && *user_env; ++user_env) {
+ int retval;
+
+ D(("uploading: %s", *user_env));
+ retval = pam_putenv(pamh, *user_env);
+ if (retval != PAM_SUCCESS) {
+ D(("error setting %s: %s", *user_env, pam_strerror(pamh,retval)));
+ return retval;
+ }
+ }
+ D(("done."));
+ return PAM_SUCCESS;
+}
+
+/*
+ * This is a wrapper to make pam behave in the way that setenv() does.
+ */
+
+int pam_misc_setenv(pam_handle_t *pamh, const char *name
+ , const char *value, int readonly)
+{
+ char *tmp;
+ int retval;
+
+ if (readonly) {
+ const char *etmp;
+
+ /* we check if the variable is there already */
+ etmp = pam_getenv(pamh, name);
+ if (etmp != NULL) {
+ D(("failed to set readonly variable: %s", name));
+ return PAM_PERM_DENIED; /* not allowed to overwrite */
+ }
+ }
+ if (asprintf(&tmp, "%s=%s", name, value) >= 0) {
+ D(("pam_putt()ing: %s", tmp));
+ retval = pam_putenv(pamh, tmp);
+ _pam_overwrite(tmp); /* purge */
+ _pam_drop(tmp); /* forget */
+ } else {
+ D(("malloc failure"));
+ retval = PAM_BUF_ERR;
+ }
+
+ return retval;
+}
diff --git a/libpam_misc/include/security/pam_misc.h b/libpam_misc/include/security/pam_misc.h
new file mode 100644
index 00000000..e6382c1c
--- /dev/null
+++ b/libpam_misc/include/security/pam_misc.h
@@ -0,0 +1,52 @@
+/* $Id: pam_misc.h,v 1.5 2005/08/16 12:27:40 kukuk Exp $ */
+
+#ifndef __PAMMISC_H
+#define __PAMMISC_H
+
+#include <security/pam_appl.h>
+#include <security/pam_client.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/* include some useful macros */
+
+#include <security/_pam_macros.h>
+
+/* functions defined in pam_misc.* libraries */
+
+extern int misc_conv(int num_msg, const struct pam_message **msgm,
+ struct pam_response **response, void *appdata_ptr);
+
+#include <time.h>
+
+extern time_t pam_misc_conv_warn_time; /* time that we should warn user */
+extern time_t pam_misc_conv_die_time; /* cut-off time for input */
+extern const char *pam_misc_conv_warn_line; /* warning notice */
+extern const char *pam_misc_conv_die_line; /* cut-off remark */
+extern int pam_misc_conv_died; /* 1 = cut-off time reached (0 not) */
+extern int (*pam_binary_handler_fn)(void *appdata, pamc_bp_t *prompt_p);
+extern void (*pam_binary_handler_free)(void *appdata, pamc_bp_t *prompt_p);
+/*
+ * Environment helper functions
+ */
+
+/* transcribe given environment (to pam) */
+extern int pam_misc_paste_env(pam_handle_t *pamh
+ , const char * const * user_env);
+
+/* delete environment as obtained from (pam_getenvlist) */
+extern char **pam_misc_drop_env(char **env);
+
+/* provide something like the POSIX setenv function for the (Linux-)PAM
+ * environment. */
+
+extern int pam_misc_setenv(pam_handle_t *pamh, const char *name
+ , const char *value, int readonly);
+
+#ifdef __cplusplus
+}
+#endif /* def __cplusplus */
+
+#endif /* ndef __PAMMISC_H */
diff --git a/libpam_misc/libpam_misc.map b/libpam_misc/libpam_misc.map
new file mode 100644
index 00000000..2f28d5cf
--- /dev/null
+++ b/libpam_misc/libpam_misc.map
@@ -0,0 +1,17 @@
+LIBPAM_MISC_1.0 {
+ global:
+ misc_conv;
+ pam_misc_conv_warn_time;
+ pam_misc_conv_die_time;
+ pam_misc_conv_warn_line;
+ pam_misc_conv_die_line;
+ pam_misc_conv_died;
+ pam_binary_handler_fn;
+ pam_binary_handler_free;
+ pam_misc_paste_env;
+ pam_misc_drop_env;
+ pam_misc_setenv;
+
+ local:
+ *;
+};
diff --git a/libpam_misc/misc_conv.c b/libpam_misc/misc_conv.c
new file mode 100644
index 00000000..3f82de1b
--- /dev/null
+++ b/libpam_misc/misc_conv.c
@@ -0,0 +1,395 @@
+/*
+ * A generic conversation function for text based applications
+ *
+ * Written by Andrew Morgan <morgan@linux.kernel.org>
+ */
+
+#include "config.h"
+
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <termios.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <security/pam_appl.h>
+#include <security/pam_misc.h>
+
+#define INPUTSIZE PAM_MAX_MSG_SIZE /* maximum length of input+1 */
+#define CONV_ECHO_ON 1 /* types of echo state */
+#define CONV_ECHO_OFF 0
+
+/*
+ * external timeout definitions - these can be overriden by the
+ * application.
+ */
+
+time_t pam_misc_conv_warn_time = 0; /* time when we warn */
+time_t pam_misc_conv_die_time = 0; /* time when we timeout */
+
+const char *pam_misc_conv_warn_line = N_("...Time is running out...\n");
+const char *pam_misc_conv_die_line = N_("...Sorry, your time is up!\n");
+
+int pam_misc_conv_died=0; /* application can probe this for timeout */
+
+/*
+ * These functions are for binary prompt manipulation.
+ * The manner in which a binary prompt is processed is application
+ * specific, so these function pointers are provided and can be
+ * initialized by the application prior to the conversation function
+ * being used.
+ */
+
+static void pam_misc_conv_delete_binary(void *appdata UNUSED,
+ pamc_bp_t *delete_me)
+{
+ PAM_BP_RENEW(delete_me, 0, 0);
+}
+
+int (*pam_binary_handler_fn)(void *appdata, pamc_bp_t *prompt_p) = NULL;
+void (*pam_binary_handler_free)(void *appdata, pamc_bp_t *prompt_p)
+ = pam_misc_conv_delete_binary;
+
+/* the following code is used to get text input */
+
+static volatile int expired=0;
+
+/* return to the previous signal handling */
+static void reset_alarm(struct sigaction *o_ptr)
+{
+ (void) alarm(0); /* stop alarm clock - if still ticking */
+ (void) sigaction(SIGALRM, o_ptr, NULL);
+}
+
+/* this is where we intercept the alarm signal */
+static void time_is_up(int ignore UNUSED)
+{
+ expired = 1;
+}
+
+/* set the new alarm to hit the time_is_up() function */
+static int set_alarm(int delay, struct sigaction *o_ptr)
+{
+ struct sigaction new_sig;
+
+ sigemptyset(&new_sig.sa_mask);
+ new_sig.sa_flags = 0;
+ new_sig.sa_handler = time_is_up;
+ if ( sigaction(SIGALRM, &new_sig, o_ptr) ) {
+ return 1; /* setting signal failed */
+ }
+ if ( alarm(delay) ) {
+ (void) sigaction(SIGALRM, o_ptr, NULL);
+ return 1; /* failed to set alarm */
+ }
+ return 0; /* all seems to have worked */
+}
+
+/* return the number of seconds to next alarm. 0 = no delay, -1 = expired */
+static int get_delay(void)
+{
+ time_t now;
+
+ expired = 0; /* reset flag */
+ (void) time(&now);
+
+ /* has the quit time past? */
+ if (pam_misc_conv_die_time && now >= pam_misc_conv_die_time) {
+ fprintf(stderr,"%s",pam_misc_conv_die_line);
+
+ pam_misc_conv_died = 1; /* note we do not reset the die_time */
+ return -1; /* time is up */
+ }
+
+ /* has the warning time past? */
+ if (pam_misc_conv_warn_time && now >= pam_misc_conv_warn_time) {
+ fprintf(stderr, "%s", pam_misc_conv_warn_line);
+ pam_misc_conv_warn_time = 0; /* reset warn_time */
+
+ /* indicate remaining delay - if any */
+
+ return (pam_misc_conv_die_time ? pam_misc_conv_die_time - now:0 );
+ }
+
+ /* indicate possible warning delay */
+
+ if (pam_misc_conv_warn_time)
+ return (pam_misc_conv_warn_time - now);
+ else if (pam_misc_conv_die_time)
+ return (pam_misc_conv_die_time - now);
+ else
+ return 0;
+}
+
+/* read a line of input string, giving prompt when appropriate */
+static int read_string(int echo, const char *prompt, char **retstr)
+{
+ struct termios term_before, term_tmp;
+ char line[INPUTSIZE];
+ struct sigaction old_sig;
+ int delay, nc = -1, have_term = 0;
+ sigset_t oset, nset;
+
+ D(("called with echo='%s', prompt='%s'.", echo ? "ON":"OFF" , prompt));
+
+ if (isatty(STDIN_FILENO)) { /* terminal state */
+
+ /* is a terminal so record settings and flush it */
+ if ( tcgetattr(STDIN_FILENO, &term_before) != 0 ) {
+ D(("<error: failed to get terminal settings>"));
+ *retstr = NULL;
+ return -1;
+ }
+ memcpy(&term_tmp, &term_before, sizeof(term_tmp));
+ if (!echo) {
+ term_tmp.c_lflag &= ~(ECHO);
+ }
+ have_term = 1;
+
+ /*
+ * We make a simple attempt to block TTY signals from suspending
+ * the conversation without giving PAM a chance to clean up.
+ */
+
+ sigemptyset(&nset);
+ sigaddset(&nset, SIGTSTP);
+ (void) sigprocmask(SIG_BLOCK, &nset, &oset);
+
+ } else if (!echo) {
+ D(("<warning: cannot turn echo off>"));
+ }
+
+ /* set up the signal handling */
+ delay = get_delay();
+
+ /* reading the line */
+ while (delay >= 0) {
+ /* this may, or may not set echo off -- drop pending input */
+ if (have_term)
+ (void) tcsetattr(STDIN_FILENO, TCSAFLUSH, &term_tmp);
+
+ fprintf(stderr, "%s", prompt);
+
+ if ( delay > 0 && set_alarm(delay, &old_sig) ) {
+ D(("<failed to set alarm>"));
+ break;
+ } else {
+ if (have_term)
+ nc = read(STDIN_FILENO, line, INPUTSIZE-1);
+ else /* we must read one line only */
+ for (nc = 0; nc < INPUTSIZE-1 && (nc?line[nc-1]:0) != '\n';
+ nc++) {
+ int rv;
+ if ((rv=read(STDIN_FILENO, line+nc, 1)) != 1) {
+ if (rv < 0)
+ nc = rv;
+ break;
+ }
+ }
+ if (have_term) {
+ (void) tcsetattr(STDIN_FILENO, TCSADRAIN, &term_before);
+ if (!echo || expired) /* do we need a newline? */
+ fprintf(stderr,"\n");
+ }
+ if ( delay > 0 ) {
+ reset_alarm(&old_sig);
+ }
+ if (expired) {
+ delay = get_delay();
+ } else if (nc > 0) { /* we got some user input */
+ D(("we got some user input"));
+
+ if (nc > 0 && line[nc-1] == '\n') { /* <NUL> terminate */
+ line[--nc] = '\0';
+ } else {
+ if (echo) {
+ fprintf(stderr, "\n");
+ }
+ line[nc] = '\0';
+ }
+ *retstr = x_strdup(line);
+ _pam_overwrite(line);
+
+ goto cleanexit; /* return malloc()ed string */
+
+ } else if (nc == 0) { /* Ctrl-D */
+ D(("user did not want to type anything"));
+
+ *retstr = NULL;
+ if (echo) {
+ fprintf(stderr, "\n");
+ }
+ goto cleanexit; /* return malloc()ed "" */
+ } else if (nc == -1) {
+ /* Don't loop forever if read() returns -1. */
+ D(("error reading input from the user: %m"));
+ if (echo) {
+ fprintf(stderr, "\n");
+ }
+ *retstr = NULL;
+ goto cleanexit; /* return NULL */
+ }
+ }
+ }
+
+ /* getting here implies that the timer expired */
+
+ D(("the timer appears to have expired"));
+
+ *retstr = NULL;
+ _pam_overwrite(line);
+
+ cleanexit:
+
+ if (have_term) {
+ (void) sigprocmask(SIG_SETMASK, &oset, NULL);
+ (void) tcsetattr(STDIN_FILENO, TCSADRAIN, &term_before);
+ }
+
+ return nc;
+}
+
+/* end of read_string functions */
+
+/*
+ * This conversation function is supposed to be a generic PAM one.
+ * Unfortunately, it is _not_ completely compatible with the Solaris PAM
+ * codebase.
+ *
+ * Namely, for msgm's that contain multiple prompts, this function
+ * interprets "const struct pam_message **msgm" as equivalent to
+ * "const struct pam_message *msgm[]". The Solaris module
+ * implementation interprets the **msgm object as a pointer to a
+ * pointer to an array of "struct pam_message" objects (that is, a
+ * confusing amount of pointer indirection).
+ */
+
+int misc_conv(int num_msg, const struct pam_message **msgm,
+ struct pam_response **response, void *appdata_ptr)
+{
+ int count=0;
+ struct pam_response *reply;
+
+ if (num_msg <= 0)
+ return PAM_CONV_ERR;
+
+ D(("allocating empty response structure array."));
+
+ reply = (struct pam_response *) calloc(num_msg,
+ sizeof(struct pam_response));
+ if (reply == NULL) {
+ D(("no memory for responses"));
+ return PAM_CONV_ERR;
+ }
+
+ D(("entering conversation function."));
+
+ for (count=0; count < num_msg; ++count) {
+ char *string=NULL;
+ int nc;
+
+ switch (msgm[count]->msg_style) {
+ case PAM_PROMPT_ECHO_OFF:
+ nc = read_string(CONV_ECHO_OFF,msgm[count]->msg, &string);
+ if (nc < 0) {
+ goto failed_conversation;
+ }
+ break;
+ case PAM_PROMPT_ECHO_ON:
+ nc = read_string(CONV_ECHO_ON,msgm[count]->msg, &string);
+ if (nc < 0) {
+ goto failed_conversation;
+ }
+ break;
+ case PAM_ERROR_MSG:
+ if (fprintf(stderr,"%s\n",msgm[count]->msg) < 0) {
+ goto failed_conversation;
+ }
+ break;
+ case PAM_TEXT_INFO:
+ if (fprintf(stdout,"%s\n",msgm[count]->msg) < 0) {
+ goto failed_conversation;
+ }
+ break;
+ case PAM_BINARY_PROMPT:
+ {
+ pamc_bp_t binary_prompt = NULL;
+
+ if (!msgm[count]->msg || !pam_binary_handler_fn) {
+ goto failed_conversation;
+ }
+
+ PAM_BP_RENEW(&binary_prompt,
+ PAM_BP_RCONTROL(msgm[count]->msg),
+ PAM_BP_LENGTH(msgm[count]->msg));
+ PAM_BP_FILL(binary_prompt, 0, PAM_BP_LENGTH(msgm[count]->msg),
+ PAM_BP_RDATA(msgm[count]->msg));
+
+ if (pam_binary_handler_fn(appdata_ptr,
+ &binary_prompt) != PAM_SUCCESS
+ || (binary_prompt == NULL)) {
+ goto failed_conversation;
+ }
+ string = (char *) binary_prompt;
+ binary_prompt = NULL;
+
+ break;
+ }
+ default:
+ fprintf(stderr, _("erroneous conversation (%d)\n"),
+ msgm[count]->msg_style);
+ goto failed_conversation;
+ }
+
+ if (string) { /* must add to reply array */
+ /* add string to list of responses */
+
+ reply[count].resp_retcode = 0;
+ reply[count].resp = string;
+ string = NULL;
+ }
+ }
+
+ *response = reply;
+ reply = NULL;
+
+ return PAM_SUCCESS;
+
+failed_conversation:
+
+ D(("the conversation failed"));
+
+ if (reply) {
+ for (count=0; count<num_msg; ++count) {
+ if (reply[count].resp == NULL) {
+ continue;
+ }
+ switch (msgm[count]->msg_style) {
+ case PAM_PROMPT_ECHO_ON:
+ case PAM_PROMPT_ECHO_OFF:
+ _pam_overwrite(reply[count].resp);
+ free(reply[count].resp);
+ break;
+ case PAM_BINARY_PROMPT:
+ {
+ void *bt_ptr = reply[count].resp;
+ pam_binary_handler_free(appdata_ptr, bt_ptr);
+ break;
+ }
+ case PAM_ERROR_MSG:
+ case PAM_TEXT_INFO:
+ /* should not actually be able to get here... */
+ free(reply[count].resp);
+ }
+ reply[count].resp = NULL;
+ }
+ /* forget reply too */
+ free(reply);
+ reply = NULL;
+ }
+
+ return PAM_CONV_ERR;
+}