X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=INSTALL;h=8d92b4cbfd7eb5659a1cc23cd08ec19ba20fbee3;hb=ecc666f3ba83de1c5e6611ec4a7174bdf8ae1739;hp=b03d9e8ef39ca35306a5c0350af3b6908fa008b2;hpb=a922b9e5432b28b092428393180b1a2c2569f708;p=debian%2Fsudo diff --git a/INSTALL b/INSTALL index b03d9e8..8d92b4c 100644 --- a/INSTALL +++ b/INSTALL @@ -1,5 +1,5 @@ -Installation instructions for Sudo 1.6.9 -======================================== +Installation instructions for Sudo 1.7 +====================================== Sudo uses a `configure' script to probe the capabilities and type of the system in question. In this release, `configure' takes many @@ -15,23 +15,17 @@ For most systems and configurations it is possible simply to: 0) If you are upgrading from a previous version of sudo please read the info in the UPGRADE file before proceeding. - 1) If you previously ran `configure' on a different host - you will probably want to do a `make distclean' to remove - the old `config.cache' file. Otherwise, `configure' - will complain and refuse to run. Alternately, one can - simply `rm config.cache'. - - 2) Read the `OS dependent notes' section for any particular + 1) Read the `OS dependent notes' section for any particular "gotchas" relating to your operating system. - 3) `cd' to the source or build directory and type `./configure' + 2) `cd' to the source or build directory and type `./configure' to generate a Makefile and config.h file suitable for building sudo. Before you actually run configure you should read the `Available configure options' section to see if there are any special options you may want or need. - 4) Edit the configure-generated Makefile if you wish to + 3) Edit the configure-generated Makefile if you wish to change any of the default paths (alternatively, you could have changed the paths via options to `configure'. @@ -48,7 +42,7 @@ For most systems and configurations it is possible simply to: man pages, and a skeleton sudoers file. Note that the install will not overwrite an existing sudoers file. You can also install various pieces the package via the install-binaries, - install-man, and install-sudoers make targets. + install-doc, and install-sudoers make targets. 7) Edit the sudoers file with `visudo' as necessary for your site. You will probably want to refer the sample.sudoers @@ -140,6 +134,17 @@ Special features/options: `-l' will be prepended to it. Multiple libraries may be specified as long as they are space separated. + --with-efence + Link with the "electric fence" debugging malloc. + + --with-bsm-audit + Enable support for sudo BSM audit logs on systems that support + it. Currently only supported under FreeBSD and Mac OS X. + + --with-linux-audit + Enable audit support for Linux systems. Audits attempts + to run a command as well as SELinux role changes. + --with-csops Add CSOps standard options. You probably aren't interested in this. @@ -180,15 +185,26 @@ Special features/options: containing the LDAP include and lib directories. Please see README.LDAP for more information. - --with-ldap-conf-file=filename + --with-ldap-conf-file=PATH Path to LDAP configuration file. If specified, sudo reads this file instead of /etc/ldap.conf to locate the LDAP server. - --with-ldap-secret-file=filename + --with-ldap-secret-file=PATH Path to LDAP secret password file. If specified, sudo uses this file instead of /etc/ldap.secret to read the secret password when rootbinddn is specified in the ldap config file. + --with-nsswitch[=PATH] + Path to nsswitch.conf or "no" to disable nsswitch support. + If specified, sudo uses this file instead of /etc/nsswitch.conf. + If nsswitch is disabled but LDAP is enabled, sudo will check + LDAP first, then the sudoers file. + + --with-netsvc[=PATH] + Path to netsvc.conf or "no" to disable netsvc.conf support. + If specified, sudo uses this file instead of /etc/netsvc.conf + on AIX systems. + --with-aixauth Enable support for the AIX 4.x general authentication function. This will use the authentication scheme specified for the user @@ -200,7 +216,7 @@ Special features/options: Linux, Solaris and HP-UX (version 11 and higher). NOTE: on RedHat Linux and Fedora you *must* have an /etc/pam.d/sudo - file installed. You may either use the sample.pam file included with + file install. You may either use the sample.pam file included with sudo or use /etc/pam.d/su as a reference. The sample.pam file included with sudo may or may not work with other Linux distributions. On Solaris and HP-UX 11 systems you should check (and understand) @@ -209,6 +225,12 @@ Special features/options: with your PAM libraries in /etc/pam.conf to obtain syslog output for debugging purposes. + --with-pam-login + Enable a specific PAM session when sudo is given the -i option. + This changes the PAM service name when sudo is run with the -i + option from "sudo" to "sudo-i", allowing for a separate pam + configuration for sudo's initial login mode. + --with-AFS Enable AFS support with Kerberos authentication. Should work under AFS 3.3. If your AFS doesn't have -laudit you should be able to @@ -228,10 +250,6 @@ Special features/options: unless the 'use_loginclass' option is defined in sudoers or the user specifies a class on the command line. - --with-project - Enable support for Solaris project resource limits. - This option is only available on Solaris 9 and above. - --with-bsdauth Enable support for BSD authentication. This is the default for BSD/OS and OpenBSD systems that support it. @@ -241,13 +259,17 @@ Special features/options: is supported. If you don't have /usr/include/bsd_auth.h then you cannot use this. + --with-project + Enable support for Solaris project resource limits. + This option is only available on Solaris 9 and above. + --with-noexec[=PATH] Enable support for the "noexec" functionality which prevents a dynamically-linked program being run by sudo from executing another program (think shell escapes). Please see the "PREVENTING SHELL ESCAPES" section in the sudoers man page for details. If specified, PATH should be a fully qualified - pathname, e.g. /usr/local/libexec/sudo_noexec.so. If PATH + path name, e.g. /usr/local/libexec/sudo_noexec.so. If PATH is "no", noexec support will not be compiled in. The default is to compile noexec support if libtool supports building shared objects on your OS. @@ -320,6 +342,20 @@ Special features/options: physically live in ${prefix}/etc and /etc/sudoers will be a symbolic link. + --with-selinux + Enable support for role based access control (RBAC) on + systems that support SELinux. + + --with-libvas=[NAME] + Enable non-Unix group support using Quest Authentication + Services. If NAME is specified, it should be the name of + the shared library providing QAS support (libvas.so by default). + + --with-libvas-rpath=[PATH] + The path to search when loading libvas.so (or an alternate + name as specified by --with-libvas). This option only has + an effect when --with-libvas is specified. + The following options are also configurable at runtime: --with-long-otp-prompt @@ -449,18 +485,19 @@ The following options are also configurable at runtime: Number of minutes before the sudo password prompt times out. The default is 5, set this to 0 for no password timeout. - --with-tty-tickets - This makes sudo use a different ticket file for each user/tty combo. - Ie: instead of the ticket path being "username" it is "username/tty". - This is useful for "shared" accounts like "operator". Note that this - means that there will be more files in the timestamp dir. This is not - a problem if your system has a cron job to remove of files from /tmp - (or wherever you specified the timestamp dir to be). + --without-tty-tickets + By default, sudo uses a different ticket file for each user/tty combo. + With this option disabled, a single ticket will be used for all + of a user's login sessions. --with-insults Define this if you want to be insulted for typing an incorrect password just like the original sudo(8). This is off by default. + --with-insults=disabled + Include support for insults but disable them unless explicitly + enabled in sudoers. + --with-all-insults Include all the insult sets listed below. You must either specify --with-insults or enable insults in the sudoers file for this to @@ -504,7 +541,7 @@ The following options are also configurable at runtime: --with-editor=PATH Specify the default editor path for use by visudo. This may be a - single pathname or a colon-separated list of editors. In the latter + single path name or a colon-separated list of editors. In the latter case, visudo will choose the editor that matches the user's VISUAL or EDITOR environment variables or the first editor in the list that exists. The default is the path to vi on your system. @@ -518,6 +555,13 @@ The following options are also configurable at runtime: option. visudo will then only use the VISUAL or EDITOR variables if they match a value specified via --with-editor. + --with-askpass=PATH + Set PATH as the "askpass" program to use when no tty is + available. Typically, this is a graphical password prompter, + similar to the one used by ssh. The program must take a + prompt as an argument and print the received password to + the standard output. + --disable-authentication By default, sudo requires the user to authenticate via a password or similar means. This options causes sudo to @@ -529,6 +573,13 @@ The following options are also configurable at runtime: "chaining" sudo commands to get a root shell by doing something like "sudo sudo /bin/sh". + --enable-gss-krb5-ccache-name + Use the gss_krb5_ccache_name() function to set the Kerberos + V credential cache file name. By default, sudo will use + the KRB5CCNAME environment variable to set this. While + gss_krb5_ccache_name() provides a better API to do this it + is not supported by all Kerberos V and SASL combinations. + --enable-log-host Log the hostname in the log file. @@ -552,6 +603,34 @@ The following options are also configurable at runtime: if the executable is simply not in the user's path, sudo will tell the user that they are not allowed to run it, which can be confusing. + --disable-iologdir + Disable sudo's I/O logging support. This can be used to allow sudo + to be compiled on systems without pseudo-tty support. + + --enable-iologdir[=DIR] + By default, sudo stores I/O log files in either /var/log/sudo-io, + /var/adm/sudo-sudo-io or /usr/log/sudo-io. If DIR is + specified, I/O logs will be stored in the indicated directory + instead. + + --enable-zlib[=DIR] + Enable the use of the zlib compress library when storing + I/O log files. If specified, DIR is the base directory + containing the zlib include and lib directories. By default + zlib is used if it is found on the system and I/O logging + support is not disabled. + + --disable-zlib + Disable the use of the zlib compress library when storing + I/O log files. + + --enable-warnings + Enable compiler warnings when building sudo with gcc. + + --enable-admin-flag + Enable the creation of an Ubuntu-style admin flag file + the first time sudo is run. + Shadow password and C2 support ============================== @@ -572,31 +651,44 @@ Shadow passwords are known to work on the following platforms: Digital UNIX IRIX >= 5.x AIX >= 3.2.x - ConvexOS with C2 security (not tested recently) Linux SCO >= 3.2.2 Pyramid DC/OSx UnixWare SVR4 (and variants using standard SVR4 shadow passwords) - 4.4BSD based systems (including OpenBSD, NetBSD, FreeBSD, and BSD/OS) - OS's using SecureWare's C2 security. + 4.4BSD based systems (including OpenBSD, NetBSD, FreeBSD, and Mac OS X) + Systems using SecureWare's C2 security. OS dependent notes ================== -OpenBSD < 2.2 and NetBSD < 1.2.1: - The fdesc file system has a bug wrt /dev/tty handling that - causes sudo to hang at the password prompt. The workaround - is to run configure with --with-password-timeout=0 +Linux: + PAM and LDAP headers are not installed by default on most Linux + systems. You will need to install the "pam-dev" package if + /usr/include/security/pam_appl.h is not present on your system. + If you wish to build with LDAP support you will also need the + openldap-devel package. + + Versions of glibc 2.x previous to 2.0.7 have a broken lsearch(). + You will need to either upgrade to glibc-2.0.7 or use sudo's + version of lsearch(). To use sudo's lsearch(), comment out + the "#define HAVE_LSEARCH 1" line in config.h and add lsearch.o + to the LIBOBJS line in the Makefile. + + If you are using a Linux kernel older than 2.4 it is not possible + to access the sudoers file via NFS. This is due to a bug in + the Linux client-side NFS implementation that has since been + fixed. There is a workaround on the sudo ftp site, linux_nfs.patch, + if you need to NFS-mount sudoers on older Linux kernels. Solaris 2.x: - You need to have a C compiler in order to build sudo. - Since Solaris 2.x does not come with one by default this - means that you either need to have purchased the unbundled Sun - C compiler or have a copy of the GNU C compiler (gcc). - The SunSoft Catalyst CD should contain gcc binaries for - Solaris. You can also get them from various places on the - net, including http://www.sunfreeware.com/ + You need to have a C compiler in order to build sudo. Since + Solaris 2.x does not come with one by default this means that + you either need to install the Sun Studio compiler suite, + available for free from www.sun.com, or have a copy of the GNU + C compiler (gcc) which is distributed on the Solaris Companion + CD. You can also get them from various places on the net, + including http://www.sunfreeware.com/ NOTE: sudo will *not* build with the sun C compiler in BSD compatibility mode (/usr/ucb/cc). Sudo is designed to compile with the standard C compiler (or gcc) and will @@ -604,36 +696,32 @@ Solaris 2.x: `--with-CC' option to point `configure' to the non-ucb compiler if it is not the first cc in your path. Some sites link /usr/ucb/cc to gcc; configure will not notice - this an still refuse to use /usr/ucb/cc, so make sure gcc + this and still refuse to use /usr/ucb/cc, so make sure gcc is also in your path if your site is setup this way. - Also: Many versions of Solaris come with a broken syslogd. + Also: Older versions of Solaris come with a broken syslogd. If you have having problems with sudo logging you should make sure you have the latest syslogd patch installed. This is a problem for Solaris 2.4 and 2.5 at least. -AIX 3.2.x: - I've had various problems with the AIX C compiler producing - incorrect code when the -O flag was used. When optimization - is not used, the problems go away. Gcc does not appear - to have this problem. +Mac OS X: + The pseudo-tty support in the Mac OS X kernel has bugs related + to its handling of the SIGTSTP, SIGTTIN and SIGTTOU signals. + It does not restart reads and writes when those signals are + delivered. This may cause problems for some commands when I/O + logging is enabled. The issue has been reported to Apple and + is bug id #7952709. - Also, the AIX 3.2.x lex will not work with sudo's parse.lex. - This should not be a problem as sudo comes shipped with - a pre-generated lex.yy.c (created by flex). If you want - to modify the lex tokenizer, make sure you grab a copy of - flex from ftp.ee.lbl.gov (also available on most GNU mirrors) - and sudo will use that instead. +HP-UX: + The default C compiler shipped with HP-UX does not support + creating position independent code and so is unable to support + sudo's "noexec" functionality. You must use either the HP ANSI + C compiler or gcc for noexec to work. Binary packages of gcc + are available http://hpux.connect.org.uk/. -Ultrix 4.x: - Ultrix still ships with the 4.2BSD syslog(3) which does not - allow things like logging different facilities to different - files, redirecting logs to a single loghost and other niceties. - You may want to just grab and install: - ftp://gatekeeper.dec.com/pub/DEC/jtkohl-syslog-complete.tar.Z - (available via anonymous ftp) which is a port if the 4.3BSD - syslog/syslogd that is backwards compatible with the Ultrix version. - I recommend it highly. If you do not do this you probably want - to run configure with --with-logging=file + To prevent PAM from overriding the value of umask on HP-UX 11, + you will need to add a line like the following to /etc/pam.conf: + + sudo session required libpam_hpsec.so.1 bypass_umask Digital UNIX: By default, sudo will use SIA (Security Integration Architecture) @@ -652,54 +740,35 @@ Digital UNIX: you can just make a copy in gcc's private include tree and edit that. -Linux: - PAM and LDAP headers are not installed by default on most Linux - systems. You will need to install the "pav-dev" package if - /usr/include/security/pam_appl.h is not present on your system. - If you wish to build with LDAP support you will also need the - openldap-devel package. - - Versions of glibc 2.x previous to 2.0.7 have a broken lsearch(). - You will need to either upgrade to glibc-2.0.7 or use sudo's - version of lsearch(). To use sudo's lsearch(), comment out - the "#define HAVE_LSEARCH 1" line in config.h and add lsearch.o - to the LIBOBJS line in the Makefile. - - If you are using a Linux kernel older than 2.4 it is not possible - to access the sudoers file via NFS. This is due to a bug in - the Linux client-side NFS implementation that has since been - fixed. There is a workaround on the sudo ftp site, linux_nfs.patch, - if you need to NFS-mount sudoers on older Linux kernels. - -Mac OS X: - It has been reported that for sudo to work on Mac OS X it must - either be built with the --with-password-timeout=0 option or the - password timeout must be disabled in the Defaults line in the - sudoers file. If sudo just hangs when you try to enter a password, - you need to disable the password timeout (Note: this is not a bug - in sudo). +AIX 3.2.x: + I've had various problems with the AIX C compiler producing + incorrect code when the -O flag was used. When optimization + is not used, the problems go away. Gcc does not appear + to have this problem. SCO ODT: You'll probably need libcrypt_i.a available via anonymous ftp from sosco.sco.com. The necessary files are /SLS/lng225b.Z and /SLS/lng225b.ltr.Z. -Dynix: - Some people have experienced problems building sudo with gcc - on Dynix. If you experience problems compiling sudo using gcc - on Dynix, try using the native compiler (cc). You can do so - by removing the config.cache file and then re-running configure - with the --with-CC=cc option. - -HP-UX: - The default C compiler shipped with HP-UX does not support creating - position independent code and so is unable to support sudo's "noexec" - functionality. You must use either the HP ANSI C compiler or gcc for - noexec to work. Binary packages of gcc are available from - http://hpux.connect.org.uk/ and http://hpux.cs.utah.edu/. - SunOS 4.x: The /bin/sh shipped with SunOS blows up while running configure. - You can work around this by installalling bash or zsh. If you + You can work around this by installing bash or zsh. If you have bash or zsh in your path, configure will use it instead automatically. + +ULTRIX 4.x: + The /bin/sh shipped with ULTRIX blows up while running configure. + You can work around this by installing bash or zsh. If you + have bash or zsh in your path, configure will use it instead + automatically. + + ULTRIX ships with the 4.2BSD syslog(3) which does not + allow things like logging different facilities to different + files, redirecting logs to a single loghost and other niceties. + You may want to just grab and install: + ftp://www.sudo.ws/pub/sudo/misc/jtkohl-syslog-complete.tar.gz + (available via anonymous ftp) which is a port if the 4.3BSD + syslog/syslogd that is backwards compatible with the Ultrix version. + I recommend it highly. If you do not do this you probably want + to run configure with --with-logging=file