shadow/lib/prototypes.h

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/*
* Copyright (c) 1990 - 1994, Julianne Frances Haugh
* Copyright (c) 1996 - 2000, Marek Michałkiewicz
* Copyright (c) 2003 - 2006, Tomasz Kłoczko
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* Copyright (c) 2007 - 2010, Nicolas François
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the copyright holders or contributors may not be used to
* endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* prototypes.h
*
* prototypes of libmisc functions, and private lib functions.
*
* $Id$
*
*/
#ifndef _PROTOTYPES_H
#define _PROTOTYPES_H
#include <config.h>
#include <sys/stat.h>
#ifdef USE_UTMPX
#include <utmpx.h>
#else
#include <utmp.h>
#endif
#include <sys/types.h>
#include <pwd.h>
#include <grp.h>
#include <shadow.h>
#include <lastlog.h>
#include "defines.h"
#include "commonio.h"
* libmisc/limits.c: Avoid implicit conversion of integer to boolean. * libmisc/basename.c: Avoid implicit conversion of pointer to boolean. * libmisc/basename.c, lib/prototypes.h (Basename): Return a constant string. * libmisc/basename.c, libmisc/obscure.c, lib/prototypes.h, libmisc/xmalloc.c, libmisc/getdate.h, libmisc/system.c, libmisc/getgr_nam_gid.c, libmisc/failure.c, libmisc/valid.c: Add splint annotations. * libmisc/chowndir.c: Avoid memory leak. * libmisc/chowndir.c: Do not check *printf/*puts return value. * libmisc/chowntty.c: Avoid implicit conversion between integer types. * libmisc/obscure.c: Return a bool when possible instead of int. * libmisc/shell.c: Do not check *printf/*puts return value. * libmisc/shell.c: Do not check execle return value. * libmisc/setupenv.c: Avoid implicit conversion between integer types. * libmisc/xmalloc.c: size should not be zero to avoid returning NULL pointers. * libmisc/hushed.c: Do not check *printf/*puts return value. * libmisc/system.c: Avoid implicit conversion of integer to boolean. safe_system last argument is a boolean. * libmisc/system.c: Check return value of dup2. * libmisc/system.c: Do not check *printf/*puts return value. * libmisc/system.c: Do not check execve return value. * libmisc/salt.c: Do not check *printf/*puts return value. * libmisc/loginprompt.c: Do not check gethostname return value. * libmisc/find_new_gid.c, libmisc/find_new_uid.c: Do not check gr_rewind/pw_rewind return value. * libmisc/ttytype.c: Limit the number of parsed characters in the sscanf format. * libmisc/ttytype.c: Test if a type was really read. * libmisc/sub.c: Do not check *printf/*puts return value. * libmisc/sub.c: Avoid implicit conversion of integer to boolean. * src/userdel.c: Fix typo in comment. * src/userdel.c: Avoid implicit conversion of boolean to integer. * src/userdel.c: safe_system last argument is a boolean. * src/newusers.c: Avoid implicit conversion of boolean to integer. * src/newusers.c: Avoid implicit conversion of integer to boolean. * src/usermod.c: Add brackets. * src/usermod.c: Avoid implicit conversion of characters or integers to booleans. * src/vipw.c: Avoid implicit conversion of integer to boolean. * src/su.c: Avoid implicit conversion of integer to boolean. * src/su.c: Add brackets. * src/useradd.c: Avoid implicit conversion of characters or integers to booleans.
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extern /*@observer@*/ const char *Prog;
/* addgrps.c */
#if defined (HAVE_SETGROUPS) && ! defined (USE_PAM)
extern int add_groups (const char *);
#endif
/* age.c */
extern void agecheck (/*@null@*/const struct spwd *);
extern int expire (const struct passwd *, /*@null@*/const struct spwd *);
/* isexpired.c */
extern int isexpired (const struct passwd *, /*@null@*/const struct spwd *);
/* basename() renamed to Basename() to avoid libc name space confusion */
/* basename.c */
extern /*@observer@*/const char *Basename (const char *str);
/* chowndir.c */
2010-04-04 Nicolas François <nicolas.francois@centraliens.net> * src/useradd.c: spool is a constant string. * src/useradd.c: Set the new copy_tree's paramater 'copy_root' to false 2010-04-04 Nicolas François <nicolas.francois@centraliens.net> * src/usermod.c: move_home() is only called if mflg is set. * src/usermod.c: Fail is -m is provided but the old home directory is not a directory. * src/usermod.c: Use the previous improvement of copy_tree to provide better error diagnosis. * src/usermod.c: When rename() is used, also change the ownership. * src/usermod.c: Do not change the ownership of the root directory twice. * src/usermod.c: When -u is provided, only change the ownership of the home directory if it is a directory. * src/usermod.c: Also change ownerships when -g is used. 2010-04-04 Nicolas François <nicolas.francois@centraliens.net> * lib/prototypes.h, libmisc/copydir.c: Add the old UID and GID to copy_tree to detect when ownership shall be changed. * libmisc/copydir.c: Document the behavior when the IDs are set to -1. * lib/prototypes.h, libmisc/copydir.c (copy_tree): Add parameter copy_root. * libmisc/copydir.c: error() and ctx can be static. * libmisc/copydir.c (copy_hardlink): Remove parameter src. 2010-04-04 Nicolas François <nicolas.francois@centraliens.net> * libmisc/chowndir.c: Dynamically allocate memory to support path longer than 1024 characters. * libmisc/chowndir.c: Fix typos in documentation. * libmisc/chowndir.c: Support and document the behavior when a old or new ID is set to -1. * libmisc/chowndir.c: Improved error detection when chown fails. * libmisc/chowndir.c: Harmonize error handling strategy when an error occurs: stop changing ownership as soon as an error was detected.
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extern int chown_tree (const char *root,
uid_t old_uid, uid_t new_uid,
gid_t old_gid, gid_t new_gid);
/* chowntty.c */
extern void chown_tty (const struct passwd *);
/* cleanup.c */
typedef /*@null@*/void (*cleanup_function) (/*@null@*/void *arg);
void add_cleanup (/*@notnull@*/cleanup_function pcf, /*@null@*/void *arg);
void del_cleanup (/*@notnull@*/cleanup_function pcf);
void do_cleanups (void);
/* cleanup_group.c */
struct cleanup_info_mod {
char *audit_msg;
char *action;
/*@observer@*/const char *name;
};
void cleanup_report_add_group (void *group_name);
void cleanup_report_add_group_group (void *group_name);
#ifdef SHADOWGRP
void cleanup_report_add_group_gshadow (void *group_name);
#endif
void cleanup_report_del_group (void *group_name);
void cleanup_report_del_group_group (void *group_name);
#ifdef SHADOWGRP
void cleanup_report_del_group_gshadow (void *group_name);
#endif
void cleanup_report_mod_passwd (void *cleanup_info);
void cleanup_report_mod_group (void *cleanup_info);
void cleanup_report_mod_gshadow (void *cleanup_info);
void cleanup_unlock_group (/*@null@*/void *unused);
#ifdef SHADOWGRP
void cleanup_unlock_gshadow (/*@null@*/void *unused);
#endif
void cleanup_unlock_passwd (/*@null@*/void *unused);
/* console.c */
extern bool console (const char *);
/* copydir.c */
extern int copy_tree (const char *src_root, const char *dst_root,
2010-04-04 Nicolas François <nicolas.francois@centraliens.net> * src/useradd.c: spool is a constant string. * src/useradd.c: Set the new copy_tree's paramater 'copy_root' to false 2010-04-04 Nicolas François <nicolas.francois@centraliens.net> * src/usermod.c: move_home() is only called if mflg is set. * src/usermod.c: Fail is -m is provided but the old home directory is not a directory. * src/usermod.c: Use the previous improvement of copy_tree to provide better error diagnosis. * src/usermod.c: When rename() is used, also change the ownership. * src/usermod.c: Do not change the ownership of the root directory twice. * src/usermod.c: When -u is provided, only change the ownership of the home directory if it is a directory. * src/usermod.c: Also change ownerships when -g is used. 2010-04-04 Nicolas François <nicolas.francois@centraliens.net> * lib/prototypes.h, libmisc/copydir.c: Add the old UID and GID to copy_tree to detect when ownership shall be changed. * libmisc/copydir.c: Document the behavior when the IDs are set to -1. * lib/prototypes.h, libmisc/copydir.c (copy_tree): Add parameter copy_root. * libmisc/copydir.c: error() and ctx can be static. * libmisc/copydir.c (copy_hardlink): Remove parameter src. 2010-04-04 Nicolas François <nicolas.francois@centraliens.net> * libmisc/chowndir.c: Dynamically allocate memory to support path longer than 1024 characters. * libmisc/chowndir.c: Fix typos in documentation. * libmisc/chowndir.c: Support and document the behavior when a old or new ID is set to -1. * libmisc/chowndir.c: Improved error detection when chown fails. * libmisc/chowndir.c: Harmonize error handling strategy when an error occurs: stop changing ownership as soon as an error was detected.
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bool copy_root,
bool reset_selinux,
2010-04-04 Nicolas François <nicolas.francois@centraliens.net> * src/useradd.c: spool is a constant string. * src/useradd.c: Set the new copy_tree's paramater 'copy_root' to false 2010-04-04 Nicolas François <nicolas.francois@centraliens.net> * src/usermod.c: move_home() is only called if mflg is set. * src/usermod.c: Fail is -m is provided but the old home directory is not a directory. * src/usermod.c: Use the previous improvement of copy_tree to provide better error diagnosis. * src/usermod.c: When rename() is used, also change the ownership. * src/usermod.c: Do not change the ownership of the root directory twice. * src/usermod.c: When -u is provided, only change the ownership of the home directory if it is a directory. * src/usermod.c: Also change ownerships when -g is used. 2010-04-04 Nicolas François <nicolas.francois@centraliens.net> * lib/prototypes.h, libmisc/copydir.c: Add the old UID and GID to copy_tree to detect when ownership shall be changed. * libmisc/copydir.c: Document the behavior when the IDs are set to -1. * lib/prototypes.h, libmisc/copydir.c (copy_tree): Add parameter copy_root. * libmisc/copydir.c: error() and ctx can be static. * libmisc/copydir.c (copy_hardlink): Remove parameter src. 2010-04-04 Nicolas François <nicolas.francois@centraliens.net> * libmisc/chowndir.c: Dynamically allocate memory to support path longer than 1024 characters. * libmisc/chowndir.c: Fix typos in documentation. * libmisc/chowndir.c: Support and document the behavior when a old or new ID is set to -1. * libmisc/chowndir.c: Improved error detection when chown fails. * libmisc/chowndir.c: Harmonize error handling strategy when an error occurs: stop changing ownership as soon as an error was detected.
2010-04-05 02:25:46 +05:30
uid_t old_uid, uid_t new_uid,
gid_t old_gid, gid_t new_gid);
/* encrypt.c */
extern /*@exposed@*//*@null@*/char *pw_encrypt (const char *, const char *);
/* entry.c */
extern void pw_entry (const char *, struct passwd *);
/* env.c */
extern void addenv (const char *, /*@null@*/const char *);
extern void initenv (void);
extern void set_env (int, char *const *);
extern void sanitize_env (void);
/* fields.c */
extern void change_field (char *, size_t, const char *);
extern int valid_field (const char *, const char *);
/* find_new_gid.c */
extern int find_new_gid (bool sys_group,
gid_t *gid,
/*@null@*/gid_t const *preferred_gid);
/* find_new_uid.c */
extern int find_new_uid (bool sys_user,
uid_t *uid,
/*@null@*/uid_t const *preferred_uid);
#ifdef ENABLE_SUBIDS
/* find_new_sub_gids.c */
extern int find_new_sub_gids (const char *owner,
gid_t *range_start, unsigned long *range_count);
/* find_new_sub_uids.c */
extern int find_new_sub_uids (const char *owner,
uid_t *range_start, unsigned long *range_count);
#endif /* ENABLE_SUBIDS */
/* get_gid.c */
extern int get_gid (const char *gidstr, gid_t *gid);
/* getgr_nam_gid.c */
extern /*@only@*//*@null@*/struct group *getgr_nam_gid (/*@null@*/const char *grname);
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/* getlong.c */
extern int getlong (const char *numstr, /*@out@*/long int *result);
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/* get_pid.c */
extern int get_pid (const char *pidstr, pid_t *pid);
/* getrange */
extern int getrange (char *range,
unsigned long *min, bool *has_min,
unsigned long *max, bool *has_max);
/* get_uid.c */
extern int get_uid (const char *uidstr, uid_t *uid);
/* getulong.c */
extern int getulong (const char *numstr, /*@out@*/unsigned long int *result);
/* fputsx.c */
extern /*@null@*/char *fgetsx (/*@returned@*/ /*@out@*/char *, int, FILE *);
extern int fputsx (const char *, FILE *);
/* groupio.c */
extern void __gr_del_entry (const struct commonio_entry *ent);
extern /*@observer@*/const struct commonio_db *__gr_get_db (void);
extern /*@dependent@*/ /*@null@*/struct commonio_entry *__gr_get_head (void);
extern void __gr_set_changed (void);
/* groupmem.c */
extern /*@null@*/ /*@only@*/struct group *__gr_dup (const struct group *grent);
extern void gr_free (/*@out@*/ /*@only@*/struct group *grent);
/* hushed.c */
extern bool hushed (const char *username);
/* audit_help.c */
#ifdef WITH_AUDIT
extern int audit_fd;
extern void audit_help_open (void);
/* Use AUDIT_NO_ID when a name is provided to audit_logger instead of an ID */
#define AUDIT_NO_ID ((unsigned int) -1)
typedef enum {
SHADOW_AUDIT_FAILURE = 0,
SHADOW_AUDIT_SUCCESS = 1} shadow_audit_result;
extern void audit_logger (int type, const char *pgname, const char *op,
const char *name, unsigned int id,
shadow_audit_result result);
void audit_logger_message (const char *message, shadow_audit_result result);
#endif
/* limits.c */
#ifndef USE_PAM
extern void setup_limits (const struct passwd *);
#endif
/* list.c */
extern /*@only@*/ /*@out@*/char **add_list (/*@returned@*/ /*@only@*/char **, const char *);
extern /*@only@*/ /*@out@*/char **del_list (/*@returned@*/ /*@only@*/char **, const char *);
extern /*@only@*/ /*@out@*/char **dup_list (char *const *);
extern bool is_on_list (char *const *list, const char *member);
extern /*@only@*/char **comma_to_list (const char *);
/* log.c */
extern void dolastlog (
struct lastlog *ll,
const struct passwd *pw,
/*@unique@*/const char *line,
/*@unique@*/const char *host);
/* login_nopam.c */
extern int login_access (const char *user, const char *from);
/* loginprompt.c */
extern void login_prompt (const char *, char *, int);
/* mail.c */
extern void mailcheck (void);
/* motd.c */
extern void motd (void);
/* myname.c */
extern /*@null@*//*@only@*/struct passwd *get_my_pwent (void);
/* pam_pass_non_interractive.c */
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#ifdef USE_PAM
extern int do_pam_passwd_non_interractive (const char *pam_service,
const char *username,
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const char* password);
#endif /* USE_PAM */
/* obscure.c */
#ifndef USE_PAM
extern bool obscure (const char *, const char *, const struct passwd *);
#endif
/* pam_pass.c */
#ifdef USE_PAM
extern void do_pam_passwd (const char *user, bool silent, bool change_expired);
#endif
/* port.c */
extern bool isttytime (const char *, const char *, time_t);
/* pwd2spwd.c */
#ifndef USE_PAM
extern struct spwd *pwd_to_spwd (const struct passwd *);
#endif
/* pwdcheck.c */
#ifndef USE_PAM
extern void passwd_check (const char *, const char *, const char *);
#endif
/* pwd_init.c */
extern void pwd_init (void);
/* pwio.c */
extern void __pw_del_entry (const struct commonio_entry *ent);
extern struct commonio_db *__pw_get_db (void);
extern /*@dependent@*/ /*@null@*/struct commonio_entry *__pw_get_head (void);
/* pwmem.c */
extern /*@null@*/ /*@only@*/struct passwd *__pw_dup (const struct passwd *pwent);
extern void pw_free (/*@out@*/ /*@only@*/struct passwd *pwent);
/* remove_tree.c */
extern int remove_tree (const char *root, bool remove_root);
/* rlogin.c */
extern int do_rlogin (const char *remote_host, char *name, size_t namelen,
char *term, size_t termlen);
/* root_flag.c */
extern void process_root_flag (const char* short_opt, int argc, char **argv);
/* salt.c */
extern /*@observer@*/const char *crypt_make_salt (/*@null@*//*@observer@*/const char *meth, /*@null@*/void *arg);
/* selinux.c */
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#ifdef WITH_SELINUX
extern int set_selinux_file_context (const char *dst_name);
extern int reset_selinux_file_context (void);
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#endif
/* semanage.c */
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#ifdef WITH_SELINUX
extern int set_seuser(const char *login_name, const char *seuser_name);
extern int del_seuser(const char *login_name);
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#endif
/* setugid.c */
extern int setup_groups (const struct passwd *info);
extern int change_uid (const struct passwd *info);
#if (defined HAVE_INITGROUPS) && (! defined USE_PAM)
extern int setup_uid_gid (const struct passwd *info, bool is_console);
#else
extern int setup_uid_gid (const struct passwd *info);
#endif
/* setup.c */
extern void setup (struct passwd *);
/* setupenv.c */
extern void setup_env (struct passwd *);
/* sgetgrent.c */
extern struct group *sgetgrent (const char *buf);
/* sgetpwent.c */
extern struct passwd *sgetpwent (const char *buf);
/* sgetspent.c */
#ifndef HAVE_SGETSPENT
extern struct spwd *sgetspent (const char *string);
#endif
/* sgroupio.c */
extern void __sgr_del_entry (const struct commonio_entry *ent);
extern /*@null@*/ /*@only@*/struct sgrp *__sgr_dup (const struct sgrp *sgent);
extern void sgr_free (/*@out@*/ /*@only@*/struct sgrp *sgent);
extern /*@dependent@*/ /*@null@*/struct commonio_entry *__sgr_get_head (void);
extern void __sgr_set_changed (void);
/* shadowio.c */
extern /*@dependent@*/ /*@null@*/struct commonio_entry *__spw_get_head (void);
extern void __spw_del_entry (const struct commonio_entry *ent);
/* shadowmem.c */
extern /*@null@*/ /*@only@*/struct spwd *__spw_dup (const struct spwd *spent);
extern void spw_free (/*@out@*/ /*@only@*/struct spwd *spent);
/* shell.c */
extern int shell (const char *file, /*@null@*/const char *arg, char *const envp[]);
/* spawn.c */
extern int run_command (const char *cmd, const char *argv[],
/*@null@*/const char *envp[], /*@out@*/int *status);
/* strtoday.c */
extern long strtoday (const char *);
/* suauth.c */
extern int check_su_auth (const char *actual_id,
const char *wanted_id,
bool su_to_root);
/* sulog.c */
extern void sulog (const char *tty,
bool success,
const char *oldname,
const char *name);
/* sub.c */
extern void subsystem (const struct passwd *);
/* ttytype.c */
extern void ttytype (const char *);
/* tz.c */
#ifndef USE_PAM
extern /*@observer@*/const char *tz (const char *);
#endif
/* ulimit.c */
extern int set_filesize_limit (int blocks);
/* user_busy.c */
extern int user_busy (const char *name, uid_t uid);
/* utmp.c */
extern /*@null@*/struct utmp *get_current_utmp (void);
extern struct utmp *prepare_utmp (const char *name,
const char *line,
const char *host,
/*@null@*/const struct utmp *ut);
extern int setutmp (struct utmp *ut);
#ifdef USE_UTMPX
extern struct utmpx *prepare_utmpx (const char *name,
const char *line,
const char *host,
/*@null@*/const struct utmp *ut);
extern int setutmpx (struct utmpx *utx);
#endif /* USE_UTMPX */
/* valid.c */
extern bool valid (const char *, const struct passwd *);
/* xmalloc.c */
* libmisc/limits.c: Avoid implicit conversion of integer to boolean. * libmisc/basename.c: Avoid implicit conversion of pointer to boolean. * libmisc/basename.c, lib/prototypes.h (Basename): Return a constant string. * libmisc/basename.c, libmisc/obscure.c, lib/prototypes.h, libmisc/xmalloc.c, libmisc/getdate.h, libmisc/system.c, libmisc/getgr_nam_gid.c, libmisc/failure.c, libmisc/valid.c: Add splint annotations. * libmisc/chowndir.c: Avoid memory leak. * libmisc/chowndir.c: Do not check *printf/*puts return value. * libmisc/chowntty.c: Avoid implicit conversion between integer types. * libmisc/obscure.c: Return a bool when possible instead of int. * libmisc/shell.c: Do not check *printf/*puts return value. * libmisc/shell.c: Do not check execle return value. * libmisc/setupenv.c: Avoid implicit conversion between integer types. * libmisc/xmalloc.c: size should not be zero to avoid returning NULL pointers. * libmisc/hushed.c: Do not check *printf/*puts return value. * libmisc/system.c: Avoid implicit conversion of integer to boolean. safe_system last argument is a boolean. * libmisc/system.c: Check return value of dup2. * libmisc/system.c: Do not check *printf/*puts return value. * libmisc/system.c: Do not check execve return value. * libmisc/salt.c: Do not check *printf/*puts return value. * libmisc/loginprompt.c: Do not check gethostname return value. * libmisc/find_new_gid.c, libmisc/find_new_uid.c: Do not check gr_rewind/pw_rewind return value. * libmisc/ttytype.c: Limit the number of parsed characters in the sscanf format. * libmisc/ttytype.c: Test if a type was really read. * libmisc/sub.c: Do not check *printf/*puts return value. * libmisc/sub.c: Avoid implicit conversion of integer to boolean. * src/userdel.c: Fix typo in comment. * src/userdel.c: Avoid implicit conversion of boolean to integer. * src/userdel.c: safe_system last argument is a boolean. * src/newusers.c: Avoid implicit conversion of boolean to integer. * src/newusers.c: Avoid implicit conversion of integer to boolean. * src/usermod.c: Add brackets. * src/usermod.c: Avoid implicit conversion of characters or integers to booleans. * src/vipw.c: Avoid implicit conversion of integer to boolean. * src/su.c: Avoid implicit conversion of integer to boolean. * src/su.c: Add brackets. * src/useradd.c: Avoid implicit conversion of characters or integers to booleans.
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extern /*@maynotreturn@*/ /*@only@*//*@out@*//*@notnull@*/char *xmalloc (size_t size)
/*@ensures MaxSet(result) == (size - 1); @*/;
* libmisc/limits.c: Avoid implicit conversion of integer to boolean. * libmisc/basename.c: Avoid implicit conversion of pointer to boolean. * libmisc/basename.c, lib/prototypes.h (Basename): Return a constant string. * libmisc/basename.c, libmisc/obscure.c, lib/prototypes.h, libmisc/xmalloc.c, libmisc/getdate.h, libmisc/system.c, libmisc/getgr_nam_gid.c, libmisc/failure.c, libmisc/valid.c: Add splint annotations. * libmisc/chowndir.c: Avoid memory leak. * libmisc/chowndir.c: Do not check *printf/*puts return value. * libmisc/chowntty.c: Avoid implicit conversion between integer types. * libmisc/obscure.c: Return a bool when possible instead of int. * libmisc/shell.c: Do not check *printf/*puts return value. * libmisc/shell.c: Do not check execle return value. * libmisc/setupenv.c: Avoid implicit conversion between integer types. * libmisc/xmalloc.c: size should not be zero to avoid returning NULL pointers. * libmisc/hushed.c: Do not check *printf/*puts return value. * libmisc/system.c: Avoid implicit conversion of integer to boolean. safe_system last argument is a boolean. * libmisc/system.c: Check return value of dup2. * libmisc/system.c: Do not check *printf/*puts return value. * libmisc/system.c: Do not check execve return value. * libmisc/salt.c: Do not check *printf/*puts return value. * libmisc/loginprompt.c: Do not check gethostname return value. * libmisc/find_new_gid.c, libmisc/find_new_uid.c: Do not check gr_rewind/pw_rewind return value. * libmisc/ttytype.c: Limit the number of parsed characters in the sscanf format. * libmisc/ttytype.c: Test if a type was really read. * libmisc/sub.c: Do not check *printf/*puts return value. * libmisc/sub.c: Avoid implicit conversion of integer to boolean. * src/userdel.c: Fix typo in comment. * src/userdel.c: Avoid implicit conversion of boolean to integer. * src/userdel.c: safe_system last argument is a boolean. * src/newusers.c: Avoid implicit conversion of boolean to integer. * src/newusers.c: Avoid implicit conversion of integer to boolean. * src/usermod.c: Add brackets. * src/usermod.c: Avoid implicit conversion of characters or integers to booleans. * src/vipw.c: Avoid implicit conversion of integer to boolean. * src/su.c: Avoid implicit conversion of integer to boolean. * src/su.c: Add brackets. * src/useradd.c: Avoid implicit conversion of characters or integers to booleans.
2010-08-23 00:43:53 +05:30
extern /*@maynotreturn@*/ /*@only@*//*@notnull@*/char *xstrdup (const char *);
* lib/prototypes.h, configure.in, libmisc/Makefile.am, libmisc/xgetXXbyYY.c, libmisc/xgetpwnam.c, libmisc/xgetpwuid.c, libmisc/xgetgrnam.c, libmisc/xgetgrgid.c, libmisc/xgetspnam.c: Added functions xgetpwnam(), xgetpwuid(), xgetgrnam(), xgetgrgid(), and xgetspnam(). They allocate memory for the returned structure and are more robust to successive calls. They are implemented with the libc's getxxyyy_r() functions if available. * libmisc/limits.c, libmisc/entry.c, libmisc/chowntty.c, libmisc/addgrps.c, libmisc/myname.c, libmisc/rlogin.c, libmisc/pwdcheck.c, src/newgrp.c, src/login_nopam.c, src/userdel.c, src/lastlog.c, src/grpck.c, src/gpasswd.c, src/newusers.c, src/chpasswd.c, src/chfn.c, src/groupmems.c, src/usermod.c, src/expiry.c, src/groupdel.c, src/chgpasswd.c, src/su.c, src/useradd.c, src/groupmod.c, src/passwd.c, src/pwck.c, src/groupadd.c, src/chage.c, src/login.c, src/suauth.c, src/faillog.c, src/groups.c, src/chsh.c, src/id.c: Review all the usage of one of the getpwnam(), getpwuid(), getgrnam(), getgrgid(), and getspnam() functions. It was noticed on http://bugs.debian.org/341230 that chfn and chsh use a passwd structure after calling a pam function, which result in using information from the passwd structure requested by pam, not the original one. It is much easier to use the new xget... functions to avoid these issues. I've checked which call to the original get... functions could be left (reducing the scope of the structure if possible), and I've left comments to ease future reviews (e.g. /* local, no need for xgetpwnam */). Note: the getpwent/getgrent calls should probably be checked also. * src/groupdel.c, src/expiry.c: Fix typos in comments. * src/groupmod.c: Re-indent. * libmisc/Makefile.am, lib/groupmem.c, lib/groupio.c, lib/pwmem.c, lib/pwio.c, lib/shadowmem.c, lib/shadowio.c: Move the __<xx>_dup functions (used by the xget... functions) from the <xx>io.c files to the new <xx>mem.c files. This avoid linking some utils against the SELinux library.
2007-11-19 04:45:26 +05:30
/* xgetpwnam.c */
extern /*@null@*/ /*@only@*/struct passwd *xgetpwnam (const char *);
* lib/prototypes.h, configure.in, libmisc/Makefile.am, libmisc/xgetXXbyYY.c, libmisc/xgetpwnam.c, libmisc/xgetpwuid.c, libmisc/xgetgrnam.c, libmisc/xgetgrgid.c, libmisc/xgetspnam.c: Added functions xgetpwnam(), xgetpwuid(), xgetgrnam(), xgetgrgid(), and xgetspnam(). They allocate memory for the returned structure and are more robust to successive calls. They are implemented with the libc's getxxyyy_r() functions if available. * libmisc/limits.c, libmisc/entry.c, libmisc/chowntty.c, libmisc/addgrps.c, libmisc/myname.c, libmisc/rlogin.c, libmisc/pwdcheck.c, src/newgrp.c, src/login_nopam.c, src/userdel.c, src/lastlog.c, src/grpck.c, src/gpasswd.c, src/newusers.c, src/chpasswd.c, src/chfn.c, src/groupmems.c, src/usermod.c, src/expiry.c, src/groupdel.c, src/chgpasswd.c, src/su.c, src/useradd.c, src/groupmod.c, src/passwd.c, src/pwck.c, src/groupadd.c, src/chage.c, src/login.c, src/suauth.c, src/faillog.c, src/groups.c, src/chsh.c, src/id.c: Review all the usage of one of the getpwnam(), getpwuid(), getgrnam(), getgrgid(), and getspnam() functions. It was noticed on http://bugs.debian.org/341230 that chfn and chsh use a passwd structure after calling a pam function, which result in using information from the passwd structure requested by pam, not the original one. It is much easier to use the new xget... functions to avoid these issues. I've checked which call to the original get... functions could be left (reducing the scope of the structure if possible), and I've left comments to ease future reviews (e.g. /* local, no need for xgetpwnam */). Note: the getpwent/getgrent calls should probably be checked also. * src/groupdel.c, src/expiry.c: Fix typos in comments. * src/groupmod.c: Re-indent. * libmisc/Makefile.am, lib/groupmem.c, lib/groupio.c, lib/pwmem.c, lib/pwio.c, lib/shadowmem.c, lib/shadowio.c: Move the __<xx>_dup functions (used by the xget... functions) from the <xx>io.c files to the new <xx>mem.c files. This avoid linking some utils against the SELinux library.
2007-11-19 04:45:26 +05:30
/* xgetpwuid.c */
extern /*@null@*/ /*@only@*/struct passwd *xgetpwuid (uid_t);
* lib/prototypes.h, configure.in, libmisc/Makefile.am, libmisc/xgetXXbyYY.c, libmisc/xgetpwnam.c, libmisc/xgetpwuid.c, libmisc/xgetgrnam.c, libmisc/xgetgrgid.c, libmisc/xgetspnam.c: Added functions xgetpwnam(), xgetpwuid(), xgetgrnam(), xgetgrgid(), and xgetspnam(). They allocate memory for the returned structure and are more robust to successive calls. They are implemented with the libc's getxxyyy_r() functions if available. * libmisc/limits.c, libmisc/entry.c, libmisc/chowntty.c, libmisc/addgrps.c, libmisc/myname.c, libmisc/rlogin.c, libmisc/pwdcheck.c, src/newgrp.c, src/login_nopam.c, src/userdel.c, src/lastlog.c, src/grpck.c, src/gpasswd.c, src/newusers.c, src/chpasswd.c, src/chfn.c, src/groupmems.c, src/usermod.c, src/expiry.c, src/groupdel.c, src/chgpasswd.c, src/su.c, src/useradd.c, src/groupmod.c, src/passwd.c, src/pwck.c, src/groupadd.c, src/chage.c, src/login.c, src/suauth.c, src/faillog.c, src/groups.c, src/chsh.c, src/id.c: Review all the usage of one of the getpwnam(), getpwuid(), getgrnam(), getgrgid(), and getspnam() functions. It was noticed on http://bugs.debian.org/341230 that chfn and chsh use a passwd structure after calling a pam function, which result in using information from the passwd structure requested by pam, not the original one. It is much easier to use the new xget... functions to avoid these issues. I've checked which call to the original get... functions could be left (reducing the scope of the structure if possible), and I've left comments to ease future reviews (e.g. /* local, no need for xgetpwnam */). Note: the getpwent/getgrent calls should probably be checked also. * src/groupdel.c, src/expiry.c: Fix typos in comments. * src/groupmod.c: Re-indent. * libmisc/Makefile.am, lib/groupmem.c, lib/groupio.c, lib/pwmem.c, lib/pwio.c, lib/shadowmem.c, lib/shadowio.c: Move the __<xx>_dup functions (used by the xget... functions) from the <xx>io.c files to the new <xx>mem.c files. This avoid linking some utils against the SELinux library.
2007-11-19 04:45:26 +05:30
/* xgetgrnam.c */
extern /*@null@*/ /*@only@*/struct group *xgetgrnam (const char *);
* lib/prototypes.h, configure.in, libmisc/Makefile.am, libmisc/xgetXXbyYY.c, libmisc/xgetpwnam.c, libmisc/xgetpwuid.c, libmisc/xgetgrnam.c, libmisc/xgetgrgid.c, libmisc/xgetspnam.c: Added functions xgetpwnam(), xgetpwuid(), xgetgrnam(), xgetgrgid(), and xgetspnam(). They allocate memory for the returned structure and are more robust to successive calls. They are implemented with the libc's getxxyyy_r() functions if available. * libmisc/limits.c, libmisc/entry.c, libmisc/chowntty.c, libmisc/addgrps.c, libmisc/myname.c, libmisc/rlogin.c, libmisc/pwdcheck.c, src/newgrp.c, src/login_nopam.c, src/userdel.c, src/lastlog.c, src/grpck.c, src/gpasswd.c, src/newusers.c, src/chpasswd.c, src/chfn.c, src/groupmems.c, src/usermod.c, src/expiry.c, src/groupdel.c, src/chgpasswd.c, src/su.c, src/useradd.c, src/groupmod.c, src/passwd.c, src/pwck.c, src/groupadd.c, src/chage.c, src/login.c, src/suauth.c, src/faillog.c, src/groups.c, src/chsh.c, src/id.c: Review all the usage of one of the getpwnam(), getpwuid(), getgrnam(), getgrgid(), and getspnam() functions. It was noticed on http://bugs.debian.org/341230 that chfn and chsh use a passwd structure after calling a pam function, which result in using information from the passwd structure requested by pam, not the original one. It is much easier to use the new xget... functions to avoid these issues. I've checked which call to the original get... functions could be left (reducing the scope of the structure if possible), and I've left comments to ease future reviews (e.g. /* local, no need for xgetpwnam */). Note: the getpwent/getgrent calls should probably be checked also. * src/groupdel.c, src/expiry.c: Fix typos in comments. * src/groupmod.c: Re-indent. * libmisc/Makefile.am, lib/groupmem.c, lib/groupio.c, lib/pwmem.c, lib/pwio.c, lib/shadowmem.c, lib/shadowio.c: Move the __<xx>_dup functions (used by the xget... functions) from the <xx>io.c files to the new <xx>mem.c files. This avoid linking some utils against the SELinux library.
2007-11-19 04:45:26 +05:30
/* xgetgrgid.c */
extern /*@null@*/ /*@only@*/struct group *xgetgrgid (gid_t);
* lib/prototypes.h, configure.in, libmisc/Makefile.am, libmisc/xgetXXbyYY.c, libmisc/xgetpwnam.c, libmisc/xgetpwuid.c, libmisc/xgetgrnam.c, libmisc/xgetgrgid.c, libmisc/xgetspnam.c: Added functions xgetpwnam(), xgetpwuid(), xgetgrnam(), xgetgrgid(), and xgetspnam(). They allocate memory for the returned structure and are more robust to successive calls. They are implemented with the libc's getxxyyy_r() functions if available. * libmisc/limits.c, libmisc/entry.c, libmisc/chowntty.c, libmisc/addgrps.c, libmisc/myname.c, libmisc/rlogin.c, libmisc/pwdcheck.c, src/newgrp.c, src/login_nopam.c, src/userdel.c, src/lastlog.c, src/grpck.c, src/gpasswd.c, src/newusers.c, src/chpasswd.c, src/chfn.c, src/groupmems.c, src/usermod.c, src/expiry.c, src/groupdel.c, src/chgpasswd.c, src/su.c, src/useradd.c, src/groupmod.c, src/passwd.c, src/pwck.c, src/groupadd.c, src/chage.c, src/login.c, src/suauth.c, src/faillog.c, src/groups.c, src/chsh.c, src/id.c: Review all the usage of one of the getpwnam(), getpwuid(), getgrnam(), getgrgid(), and getspnam() functions. It was noticed on http://bugs.debian.org/341230 that chfn and chsh use a passwd structure after calling a pam function, which result in using information from the passwd structure requested by pam, not the original one. It is much easier to use the new xget... functions to avoid these issues. I've checked which call to the original get... functions could be left (reducing the scope of the structure if possible), and I've left comments to ease future reviews (e.g. /* local, no need for xgetpwnam */). Note: the getpwent/getgrent calls should probably be checked also. * src/groupdel.c, src/expiry.c: Fix typos in comments. * src/groupmod.c: Re-indent. * libmisc/Makefile.am, lib/groupmem.c, lib/groupio.c, lib/pwmem.c, lib/pwio.c, lib/shadowmem.c, lib/shadowio.c: Move the __<xx>_dup functions (used by the xget... functions) from the <xx>io.c files to the new <xx>mem.c files. This avoid linking some utils against the SELinux library.
2007-11-19 04:45:26 +05:30
/* xgetspnam.c */
extern /*@null@*/ /*@only@*/struct spwd *xgetspnam(const char *);
* lib/prototypes.h, configure.in, libmisc/Makefile.am, libmisc/xgetXXbyYY.c, libmisc/xgetpwnam.c, libmisc/xgetpwuid.c, libmisc/xgetgrnam.c, libmisc/xgetgrgid.c, libmisc/xgetspnam.c: Added functions xgetpwnam(), xgetpwuid(), xgetgrnam(), xgetgrgid(), and xgetspnam(). They allocate memory for the returned structure and are more robust to successive calls. They are implemented with the libc's getxxyyy_r() functions if available. * libmisc/limits.c, libmisc/entry.c, libmisc/chowntty.c, libmisc/addgrps.c, libmisc/myname.c, libmisc/rlogin.c, libmisc/pwdcheck.c, src/newgrp.c, src/login_nopam.c, src/userdel.c, src/lastlog.c, src/grpck.c, src/gpasswd.c, src/newusers.c, src/chpasswd.c, src/chfn.c, src/groupmems.c, src/usermod.c, src/expiry.c, src/groupdel.c, src/chgpasswd.c, src/su.c, src/useradd.c, src/groupmod.c, src/passwd.c, src/pwck.c, src/groupadd.c, src/chage.c, src/login.c, src/suauth.c, src/faillog.c, src/groups.c, src/chsh.c, src/id.c: Review all the usage of one of the getpwnam(), getpwuid(), getgrnam(), getgrgid(), and getspnam() functions. It was noticed on http://bugs.debian.org/341230 that chfn and chsh use a passwd structure after calling a pam function, which result in using information from the passwd structure requested by pam, not the original one. It is much easier to use the new xget... functions to avoid these issues. I've checked which call to the original get... functions could be left (reducing the scope of the structure if possible), and I've left comments to ease future reviews (e.g. /* local, no need for xgetpwnam */). Note: the getpwent/getgrent calls should probably be checked also. * src/groupdel.c, src/expiry.c: Fix typos in comments. * src/groupmod.c: Re-indent. * libmisc/Makefile.am, lib/groupmem.c, lib/groupio.c, lib/pwmem.c, lib/pwio.c, lib/shadowmem.c, lib/shadowio.c: Move the __<xx>_dup functions (used by the xget... functions) from the <xx>io.c files to the new <xx>mem.c files. This avoid linking some utils against the SELinux library.
2007-11-19 04:45:26 +05:30
/* yesno.c */
extern bool yes_or_no (bool read_only);
#endif /* _PROTOTYPES_H */