From 9ada0093e92388590c7368600ca4e9e3e376f0d0 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:22:51 +0200 Subject: Adding upstream version 1.5.2. Signed-off-by: Daniel Baumann --- modules/pam_mail/Makefile.am | 33 ++ modules/pam_mail/Makefile.in | 1150 +++++++++++++++++++++++++++++++++++++++ modules/pam_mail/README | 71 +++ modules/pam_mail/README.xml | 41 ++ modules/pam_mail/pam_mail.8 | 159 ++++++ modules/pam_mail/pam_mail.8.xml | 280 ++++++++++ modules/pam_mail/pam_mail.c | 468 ++++++++++++++++ modules/pam_mail/tst-pam_mail | 2 + 8 files changed, 2204 insertions(+) create mode 100644 modules/pam_mail/Makefile.am create mode 100644 modules/pam_mail/Makefile.in create mode 100644 modules/pam_mail/README create mode 100644 modules/pam_mail/README.xml create mode 100644 modules/pam_mail/pam_mail.8 create mode 100644 modules/pam_mail/pam_mail.8.xml create mode 100644 modules/pam_mail/pam_mail.c create mode 100755 modules/pam_mail/tst-pam_mail (limited to 'modules/pam_mail') diff --git a/modules/pam_mail/Makefile.am b/modules/pam_mail/Makefile.am new file mode 100644 index 0000000..6756f40 --- /dev/null +++ b/modules/pam_mail/Makefile.am @@ -0,0 +1,33 @@ +# +# Copyright (c) 2005, 2006, 2009 Thorsten Kukuk +# + +CLEANFILES = *~ +MAINTAINERCLEANFILES = $(MANS) README + +EXTRA_DIST = $(XMLS) + +if HAVE_DOC +dist_man_MANS = pam_mail.8 +endif +XMLS = README.xml pam_mail.8.xml +dist_check_SCRIPTS = tst-pam_mail +TESTS = $(dist_check_SCRIPTS) + +securelibdir = $(SECUREDIR) +secureconfdir = $(SCONFIGDIR) + +AM_CFLAGS = -I$(top_srcdir)/libpam/include -I$(top_srcdir)/libpamc/include \ + $(WARN_CFLAGS) +AM_LDFLAGS = -no-undefined -avoid-version -module +if HAVE_VERSIONING + AM_LDFLAGS += -Wl,--version-script=$(srcdir)/../modules.map +endif + +securelib_LTLIBRARIES = pam_mail.la +pam_mail_la_LIBADD = $(top_builddir)/libpam/libpam.la + +if ENABLE_REGENERATE_MAN +dist_noinst_DATA = README +-include $(top_srcdir)/Make.xml.rules +endif diff --git a/modules/pam_mail/Makefile.in b/modules/pam_mail/Makefile.in new file mode 100644 index 0000000..fbbffa7 --- /dev/null +++ b/modules/pam_mail/Makefile.in @@ -0,0 +1,1150 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; 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It +gives a single message indicating the newness of any mail it finds in the +user's mail folder. This module also sets the PAM environment variable, MAIL, +to the user's mail directory. + +If the mail spool file (be it /var/mail/$USER or a pathname given with the dir= +parameter) is a directory then pam_mail assumes it is in the Maildir format. + +OPTIONS + +close + + Indicate if the user has any mail also on logout. + +debug + + Print debug information. + +dir=maildir + + Look for the user's mail in an alternative location defined by maildir/ + . The default location for mail is /var/mail/. Note, if the + supplied maildir is prefixed by a '~', the directory is interpreted as + indicating a file in the user's home directory. + +empty + + Also print message if user has no mail. + +hash=count + + Mail directory hash depth. For example, a hashcount of 2 would make the + mail file be /var/spool/mail/u/s/user. + +noenv + + Do not set the MAIL environment variable. + +nopen + + Don't print any mail information on login. This flag is useful to get the + MAIL environment variable set, but to not display any information about it. + +quiet + + Only report when there is new mail. + +standard + + Old style "You have..." format which doesn't show the mail spool being + used. This also implies "empty". + +EXAMPLES + +Add the following line to /etc/pam.d/login to indicate that the user has new +mail when they login to the system. + +session optional pam_mail.so standard + + +AUTHOR + +pam_mail was written by Andrew G. Morgan . + diff --git a/modules/pam_mail/README.xml b/modules/pam_mail/README.xml new file mode 100644 index 0000000..4165d85 --- /dev/null +++ b/modules/pam_mail/README.xml @@ -0,0 +1,41 @@ + + +--> +]> + +
+ + + + + <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" + href="pam_mail.8.xml" xpointer='xpointer(//refnamediv[@id = "pam_mail-name"]/*)'/> + + + + +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
+ +
diff --git a/modules/pam_mail/pam_mail.8 b/modules/pam_mail/pam_mail.8 new file mode 100644 index 0000000..a6f7766 --- /dev/null +++ b/modules/pam_mail/pam_mail.8 @@ -0,0 +1,159 @@ +'\" t +.\" Title: pam_mail +.\" Author: [see the "AUTHOR" section] +.\" Generator: DocBook XSL Stylesheets v1.79.1 +.\" Date: 09/03/2021 +.\" Manual: Linux-PAM Manual +.\" Source: Linux-PAM Manual +.\" Language: English +.\" +.TH "PAM_MAIL" "8" "09/03/2021" "Linux-PAM Manual" "Linux\-PAM Manual" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +pam_mail \- Inform about available mail +.SH "SYNOPSIS" +.HP \w'\fBpam_mail\&.so\fR\ 'u +\fBpam_mail\&.so\fR [close] [debug] [dir=\fImaildir\fR] [empty] [hash=\fIcount\fR] [noenv] [nopen] [quiet] [standard] +.SH "DESCRIPTION" +.PP +The pam_mail PAM module provides the "you have new mail" service to the user\&. It can be plugged into any application that has credential or session hooks\&. It gives a single message indicating the +\fInewness\fR +of any mail it finds in the user\*(Aqs mail folder\&. This module also sets the PAM environment variable, +\fBMAIL\fR, to the user\*(Aqs mail directory\&. +.PP +If the mail spool file (be it +/var/mail/$USER +or a pathname given with the +\fBdir=\fR +parameter) is a directory then pam_mail assumes it is in the +\fIMaildir\fR +format\&. +.SH "OPTIONS" +.PP +.PP +\fBclose\fR +.RS 4 +Indicate if the user has any mail also on logout\&. +.RE +.PP +\fBdebug\fR +.RS 4 +Print debug information\&. +.RE +.PP +\fBdir=\fR\fB\fImaildir\fR\fR +.RS 4 +Look for the user\*(Aqs mail in an alternative location defined by +maildir/\&. The default location for mail is +/var/mail/\&. Note, if the supplied +maildir +is prefixed by a \*(Aq~\*(Aq, the directory is interpreted as indicating a file in the user\*(Aqs home directory\&. +.RE +.PP +\fBempty\fR +.RS 4 +Also print message if user has no mail\&. +.RE +.PP +\fBhash=\fR\fB\fIcount\fR\fR +.RS 4 +Mail directory hash depth\&. For example, a +\fIhashcount\fR +of 2 would make the mail file be +/var/spool/mail/u/s/user\&. +.RE +.PP +\fBnoenv\fR +.RS 4 +Do not set the +\fBMAIL\fR +environment variable\&. +.RE +.PP +\fBnopen\fR +.RS 4 +Don\*(Aqt print any mail information on login\&. This flag is useful to get the +\fBMAIL\fR +environment variable set, but to not display any information about it\&. +.RE +.PP +\fBquiet\fR +.RS 4 +Only report when there is new mail\&. +.RE +.PP +\fBstandard\fR +.RS 4 +Old style "You have\&.\&.\&." format which doesn\*(Aqt show the mail spool being used\&. This also implies "empty"\&. +.RE +.SH "MODULE TYPES PROVIDED" +.PP +The +\fBsession\fR +and +\fBauth\fR +(on establishment and deletion of credentials) module types are provided\&. +.SH "RETURN VALUES" +.PP +PAM_BUF_ERR +.RS 4 +Memory buffer error\&. +.RE +.PP +PAM_SERVICE_ERR +.RS 4 +Badly formed arguments\&. +.RE +.PP +PAM_SUCCESS +.RS 4 +Success\&. +.RE +.PP +PAM_USER_UNKNOWN +.RS 4 +User not known\&. +.RE +.SH "EXAMPLES" +.PP +Add the following line to +/etc/pam\&.d/login +to indicate that the user has new mail when they login to the system\&. +.sp +.if n \{\ +.RS 4 +.\} +.nf +session optional pam_mail\&.so standard + +.fi +.if n \{\ +.RE +.\} +.sp +.SH "SEE ALSO" +.PP +\fBpam.conf\fR(5), +\fBpam.d\fR(5), +\fBpam\fR(8) +.SH "AUTHOR" +.PP +pam_mail was written by Andrew G\&. Morgan \&. diff --git a/modules/pam_mail/pam_mail.8.xml b/modules/pam_mail/pam_mail.8.xml new file mode 100644 index 0000000..95216b6 --- /dev/null +++ b/modules/pam_mail/pam_mail.8.xml @@ -0,0 +1,280 @@ + + + + + + + pam_mail + 8 + Linux-PAM Manual + + + + pam_mail + Inform about available mail + + + + + pam_mail.so + + close + + + debug + + + dir=maildir + + + empty + + + hash=count + + + noenv + + + nopen + + + quiet + + + standard + + + + + + + DESCRIPTION + + + The pam_mail PAM module provides the "you have new mail" + service to the user. It can be plugged into any application + that has credential or session hooks. It gives a single message + indicating the newness of any mail it finds + in the user's mail folder. This module also sets the PAM + environment variable, MAIL, to the + user's mail directory. + + + If the mail spool file (be it /var/mail/$USER + or a pathname given with the parameter) is + a directory then pam_mail assumes it is in the + Maildir format. + + + + + + OPTIONS + + + + + + + + + + Indicate if the user has any mail also on logout. + + + + + + + + + + + Print debug information. + + + + + + + + + + + Look for the user's mail in an alternative location defined by + maildir/<login>. The default + location for mail is /var/mail/<login>. + Note, if the supplied + maildir is prefixed by a '~', the + directory is interpreted as indicating a file in the user's + home directory. + + + + + + + + + + + Also print message if user has no mail. + + + + + + + + + + + Mail directory hash depth. For example, a + hashcount of 2 would + make the mail file be + /var/spool/mail/u/s/user. + + + + + + + + + + + Do not set the MAIL + environment variable. + + + + + + + + + + + Don't print any mail information on login. This flag is + useful to get the MAIL + environment variable set, but to not display any information + about it. + + + + + + + + + + + Only report when there is new mail. + + + + + + + + + + + Old style "You have..." format which doesn't show the + mail spool being used. This also implies "empty". + + + + + + + + + + + MODULE TYPES PROVIDED + + The and + (on establishment and + deletion of credentials) module types are provided. + + + + + RETURN VALUES + + + PAM_BUF_ERR + + + Memory buffer error. + + + + + + PAM_SERVICE_ERR + + + Badly formed arguments. + + + + + + PAM_SUCCESS + + + Success. + + + + + + PAM_USER_UNKNOWN + + + User not known. + + + + + + + + + EXAMPLES + + Add the following line to /etc/pam.d/login to + indicate that the user has new mail when they login to the system. + +session optional pam_mail.so standard + + + + + + SEE ALSO + + + pam.conf5 + , + + pam.d5 + , + + pam8 + + + + + + AUTHOR + + pam_mail was written by Andrew G. Morgan <morgan@kernel.org>. + + + + diff --git a/modules/pam_mail/pam_mail.c b/modules/pam_mail/pam_mail.c new file mode 100644 index 0000000..17383c7 --- /dev/null +++ b/modules/pam_mail/pam_mail.c @@ -0,0 +1,468 @@ +/* + * pam_mail module + * + * Written by Andrew Morgan 1996/3/11 + * $HOME additions by David Kinchlea 1997/1/7 + * mailhash additions by Chris Adams 1998/7/11 + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef HAVE_PATHS_H +#include +#endif + +#define DEFAULT_MAIL_DIRECTORY PAM_PATH_MAILDIR +#define MAIL_FILE_FORMAT "%s%s/%s" +#define MAIL_ENV_NAME "MAIL" +#define MAIL_ENV_FORMAT MAIL_ENV_NAME "=%s" + +#include +#include +#include +#include +#include "pam_inline.h" + +/* argument parsing */ + +#define PAM_DEBUG_ARG 0x0001 +#define PAM_NO_LOGIN 0x0002 +#define PAM_LOGOUT_TOO 0x0004 +#define PAM_NEW_MAIL_DIR 0x0010 +#define PAM_MAIL_SILENT 0x0020 +#define PAM_NO_ENV 0x0040 +#define PAM_HOME_MAIL 0x0100 +#define PAM_EMPTY_TOO 0x0200 +#define PAM_STANDARD_MAIL 0x0400 +#define PAM_QUIET_MAIL 0x1000 + +#define HAVE_NEW_MAIL 0x1 +#define HAVE_OLD_MAIL 0x2 +#define HAVE_NO_MAIL 0x3 +#define HAVE_MAIL 0x4 + +static int +_pam_parse (const pam_handle_t *pamh, int flags, int argc, + const char **argv, const char **maildir, size_t *hashcount) +{ + int ctrl=0; + + if (flags & PAM_SILENT) { + ctrl |= PAM_MAIL_SILENT; + } + + *hashcount = 0; + + /* step through arguments */ + for (; argc-- > 0; ++argv) { + const char *str; + + /* generic options */ + + if (!strcmp(*argv,"debug")) + ctrl |= PAM_DEBUG_ARG; + else if (!strcmp(*argv,"quiet")) + ctrl |= PAM_QUIET_MAIL; + else if (!strcmp(*argv,"standard")) + ctrl |= PAM_STANDARD_MAIL | PAM_EMPTY_TOO; + else if ((str = pam_str_skip_prefix(*argv, "dir=")) != NULL) { + *maildir = str; + if (**maildir != '\0') { + D(("new mail directory: %s", *maildir)); + ctrl |= PAM_NEW_MAIL_DIR; + } else { + pam_syslog(pamh, LOG_ERR, + "dir= specification missing argument - ignored"); + } + } else if ((str = pam_str_skip_prefix(*argv, "hash=")) != NULL) { + char *ep = NULL; + *hashcount = strtoul(str,&ep,10); + if (!ep) { + *hashcount = 0; + } + } else if (!strcmp(*argv,"close")) { + ctrl |= PAM_LOGOUT_TOO; + } else if (!strcmp(*argv,"nopen")) { + ctrl |= PAM_NO_LOGIN; + } else if (!strcmp(*argv,"noenv")) { + ctrl |= PAM_NO_ENV; + } else if (!strcmp(*argv,"empty")) { + ctrl |= PAM_EMPTY_TOO; + } else { + pam_syslog(pamh, LOG_ERR, "unknown option: %s", *argv); + } + } + + if ((*hashcount != 0) && !(ctrl & PAM_NEW_MAIL_DIR)) { + *maildir = DEFAULT_MAIL_DIRECTORY; + ctrl |= PAM_NEW_MAIL_DIR; + } + + return ctrl; +} + +static int +get_folder(pam_handle_t *pamh, int ctrl, + const char *path_mail, char **folder_p, size_t hashcount, + const struct passwd *pwd) +{ + int retval; + const char *path; + char *folder = NULL; + + if (ctrl & PAM_NEW_MAIL_DIR) { + path = path_mail; + if (*path == '~') { /* support for $HOME delivery */ + /* + * "~/xxx" and "~xxx" are treated as same + */ + if (!*++path || (*path == '/' && !*++path)) { + pam_syslog(pamh, LOG_ERR, + "badly formed mail path [%s]", path_mail); + retval = PAM_SERVICE_ERR; + goto get_folder_cleanup; + } + ctrl |= PAM_HOME_MAIL; + if (hashcount != 0) { + pam_syslog(pamh, LOG_ERR, + "cannot do hash= and home directory mail"); + } + } + } else { + path = DEFAULT_MAIL_DIRECTORY; + } + + /* put folder together */ + + hashcount = hashcount < strlen(pwd->pw_name) ? + hashcount : strlen(pwd->pw_name); + + retval = PAM_BUF_ERR; + if (ctrl & PAM_HOME_MAIL) { + if (asprintf(&folder, MAIL_FILE_FORMAT, pwd->pw_dir, "", path) < 0) + goto get_folder_cleanup; + } else { + int rc; + size_t i; + char *hash; + + if ((hash = malloc(2 * hashcount + 1)) == NULL) + goto get_folder_cleanup; + + for (i = 0; i < hashcount; i++) { + hash[2 * i] = '/'; + hash[2 * i + 1] = pwd->pw_name[i]; + } + hash[2 * i] = '\0'; + + rc = asprintf(&folder, MAIL_FILE_FORMAT, path, hash, pwd->pw_name); + _pam_overwrite(hash); + _pam_drop(hash); + if (rc < 0) + goto get_folder_cleanup; + } + D(("folder=[%s]", folder)); + retval = PAM_SUCCESS; + + /* tidy up */ + + get_folder_cleanup: + path = NULL; + + *folder_p = folder; + folder = NULL; + + if (retval == PAM_BUF_ERR) + pam_syslog(pamh, LOG_CRIT, "out of memory for mail folder"); + + return retval; +} + +static int +get_mail_status(pam_handle_t *pamh, int ctrl, const char *folder) +{ + int type = 0; + struct stat mail_st; + + if (stat(folder, &mail_st) < 0) + return 0; + + if (S_ISDIR(mail_st.st_mode)) { /* Assume Maildir format */ + int i, save_errno; + char *dir; + struct dirent **namelist; + + if (asprintf(&dir, "%s/new", folder) < 0) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + goto get_mail_status_cleanup; + } + i = scandir(dir, &namelist, 0, alphasort); + save_errno = errno; + _pam_overwrite(dir); + _pam_drop(dir); + if (i < 0) { + type = 0; + namelist = NULL; + if (save_errno == ENOMEM) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + goto get_mail_status_cleanup; + } + } + type = (i > 2) ? HAVE_NEW_MAIL : 0; + while (--i >= 0) + _pam_drop(namelist[i]); + _pam_drop(namelist); + if (type == 0) { + if (asprintf(&dir, "%s/cur", folder) < 0) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + goto get_mail_status_cleanup; + } + i = scandir(dir, &namelist, 0, alphasort); + save_errno = errno; + _pam_overwrite(dir); + _pam_drop(dir); + if (i < 0) { + type = 0; + namelist = NULL; + if (save_errno == ENOMEM) { + pam_syslog(pamh, LOG_CRIT, "out of memory"); + goto get_mail_status_cleanup; + } + } + if (i > 2) + type = HAVE_OLD_MAIL; + else + type = (ctrl & PAM_EMPTY_TOO) ? HAVE_NO_MAIL : 0; + while (--i >= 0) + _pam_drop(namelist[i]); + _pam_drop(namelist); + } + } else { + if (mail_st.st_size > 0) { + if (mail_st.st_atime < mail_st.st_mtime) /* new */ + type = HAVE_NEW_MAIL; + else /* old */ + type = (ctrl & PAM_STANDARD_MAIL) ? HAVE_MAIL : HAVE_OLD_MAIL; + } else if (ctrl & PAM_EMPTY_TOO) { + type = HAVE_NO_MAIL; + } else { + type = 0; + } + } + + get_mail_status_cleanup: + memset(&mail_st, 0, sizeof(mail_st)); + D(("user has %d mail in %s folder", type, folder)); + return type; +} + +static int +report_mail(pam_handle_t *pamh, int ctrl, int type, const char *folder) +{ + int retval; + + if ((ctrl & PAM_MAIL_SILENT) || + ((ctrl & PAM_QUIET_MAIL) && type != HAVE_NEW_MAIL)) + { + D(("keeping quiet")); + retval = PAM_SUCCESS; + } + else + { + if (ctrl & PAM_STANDARD_MAIL) + switch (type) + { + case HAVE_NO_MAIL: + retval = pam_info (pamh, "%s", _("You have no mail.")); + break; + case HAVE_NEW_MAIL: + retval = pam_info (pamh, "%s", _("You have new mail.")); + break; + case HAVE_OLD_MAIL: + retval = pam_info (pamh, "%s", _("You have old mail.")); + break; + case HAVE_MAIL: + default: + retval = pam_info (pamh, "%s", _("You have mail.")); + break; + } + else + switch (type) + { + case HAVE_NO_MAIL: + retval = pam_info (pamh, _("You have no mail in folder %s."), + folder); + break; + case HAVE_NEW_MAIL: + retval = pam_info (pamh, _("You have new mail in folder %s."), + folder); + break; + case HAVE_OLD_MAIL: + retval = pam_info (pamh, _("You have old mail in folder %s."), + folder); + break; + case HAVE_MAIL: + default: + retval = pam_info (pamh, _("You have mail in folder %s."), + folder); + break; + } + } + + D(("returning %s", pam_strerror(pamh, retval))); + return retval; +} + +static int _do_mail(pam_handle_t *, int, int, const char **, int); + +/* --- authentication functions --- */ + +int +pam_sm_authenticate (pam_handle_t *pamh UNUSED, int flags UNUSED, + int argc UNUSED, const char **argv UNUSED) +{ + return PAM_IGNORE; +} + +/* Checking mail as part of authentication */ +int pam_sm_setcred(pam_handle_t *pamh, int flags, int argc, + const char **argv) +{ + if (!(flags & (PAM_ESTABLISH_CRED|PAM_DELETE_CRED))) + return PAM_IGNORE; + return _do_mail(pamh,flags,argc,argv,(flags & PAM_ESTABLISH_CRED)); +} + +/* --- session management functions --- */ + +int pam_sm_close_session(pam_handle_t *pamh,int flags,int argc + ,const char **argv) +{ + return _do_mail(pamh,flags,argc,argv,0); +} + +/* Checking mail as part of the session management */ +int pam_sm_open_session(pam_handle_t *pamh, int flags, int argc, + const char **argv) +{ + return _do_mail(pamh,flags,argc,argv,1); +} + + +/* --- The Beaf (Tm) --- */ + +static int _do_mail(pam_handle_t *pamh, int flags, int argc, + const char **argv, int est) +{ + int retval, ctrl, type; + size_t hashcount; + char *folder = NULL; + const char *user; + const char *path_mail = NULL; + const struct passwd *pwd = NULL; + + /* + * this module (un)sets the MAIL environment variable, and checks if + * the user has any new mail. + */ + + ctrl = _pam_parse(pamh, flags, argc, argv, &path_mail, &hashcount); + + retval = pam_get_user(pamh, &user, NULL); + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_NOTICE, "cannot determine user name: %s", + pam_strerror(pamh, retval)); + return PAM_USER_UNKNOWN; + } + + pwd = pam_modutil_getpwnam (pamh, user); + if (pwd == NULL) { + pam_syslog(pamh, LOG_NOTICE, "user unknown"); + return PAM_USER_UNKNOWN; + } + + /* which folder? */ + + retval = get_folder(pamh, ctrl, path_mail, &folder, hashcount, pwd); + if (retval != PAM_SUCCESS) { + D(("failed to find folder")); + return retval; + } + + /* set the MAIL variable? */ + + if (!(ctrl & PAM_NO_ENV) && est) { + char *tmp; + + if (asprintf(&tmp, MAIL_ENV_FORMAT, folder) < 0) { + pam_syslog(pamh, LOG_CRIT, + "no memory for " MAIL_ENV_NAME " variable"); + retval = PAM_BUF_ERR; + goto do_mail_cleanup; + } + D(("setting env: %s", tmp)); + retval = pam_putenv(pamh, tmp); + _pam_overwrite(tmp); + _pam_drop(tmp); + if (retval != PAM_SUCCESS) { + pam_syslog(pamh, LOG_CRIT, + "unable to set " MAIL_ENV_NAME " variable"); + retval = PAM_BUF_ERR; + goto do_mail_cleanup; + } + } else { + D(("not setting " MAIL_ENV_NAME " variable")); + } + + /* + * OK. we've got the mail folder... what about its status? + */ + + if ((est && !(ctrl & PAM_NO_LOGIN)) + || (!est && (ctrl & PAM_LOGOUT_TOO))) { + PAM_MODUTIL_DEF_PRIVS(privs); + + if (pam_modutil_drop_priv(pamh, &privs, pwd)) { + retval = PAM_SESSION_ERR; + goto do_mail_cleanup; + } else { + type = get_mail_status(pamh, ctrl, folder); + if (pam_modutil_regain_priv(pamh, &privs)) { + retval = PAM_SESSION_ERR; + goto do_mail_cleanup; + } + } + + if (type != 0) { + retval = report_mail(pamh, ctrl, type, folder); + type = 0; + } + } + + /* Delete environment variable? */ + if ( ! est && ! (ctrl & PAM_NO_ENV) ) + (void) pam_putenv(pamh, MAIL_ENV_NAME); + + do_mail_cleanup: + _pam_overwrite(folder); + _pam_drop(folder); + + /* indicate success or failure */ + + return retval; +} + +/* end of module definition */ diff --git a/modules/pam_mail/tst-pam_mail b/modules/pam_mail/tst-pam_mail new file mode 100755 index 0000000..99fb7ed --- /dev/null +++ b/modules/pam_mail/tst-pam_mail @@ -0,0 +1,2 @@ +#!/bin/sh +../../tests/tst-dlopen .libs/pam_mail.so -- cgit v1.2.3