Date: Mon, 10 Sep 2001 13:26:11 +0200 From: Francesco Casadei <fcasadei@inwind.it> To: freebsd-questions@freebsd.org Cc: BOOTSTASHA@aol.com Subject: Re: adding a user Message-ID: <20010910132611.A1509@goku.kasby> In-Reply-To: <20010910122659.B1247@goku.kasby>; from fcasadei@inwind.it on Mon, Sep 10, 2001 at 12:26:59PM %2B0200 References: <5b.1b6fe4cb.28cd68fb@aol.com> <20010910122659.B1247@goku.kasby>
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[-- Attachment #1 --] On Mon, Sep 10, 2001 at 12:26:59PM +0200, Francesco Casadei wrote: > On Sun, Sep 09, 2001 at 08:53:15PM -0400, BOOTSTASHA@aol.com wrote: > > I am trying to add a user who has a UID of 38445 (given by my instructor). > > The manual says that you can't have an ID over 32000. How can this be > > accomplished. > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-questions" in the body of the message > > > > end of the original message > > It works on FreeBSD 4.4RC: > > # pw useradd user -u 38445 -g users > # pw usershow user > user:*:38445:1001::0:0:User &:/home/user:/bin/sh > # pw userdel user > # pw usershow user > pw: no such user `user' > > From sys/types.h: > > typedef __uint32_t u_int32_t; > ... > typedef u_int32_t uid_t; /* user id */ > > From i386/include/ansi.h: > > typedef unsigned int __uint32_t; > > So seems that the uid can be a number in the range 0..4294967295 (i.e. > 2^32 - 1) for i386. > > Actually this number is limited to 2147483647: > > # pw useradd user -u 4294967295 -g users > pwd_mkdb: 2147483647 > recommended max uid value (65535) > # pw usershow user > user:*:2147483647:1001::0:0:User &:/home/user:/bin/sh > > Francesco Casadei > -- > You can download my public key from http://digilander.iol.it/fcasadei/ > or retrieve it from a keyserver (pgpkeys.mit.edu, wwwkeys.pgp.net, ...) > > Key fingerprint is: 1671 9A23 ACB4 520A E7EE 00B0 7EC3 375F 164E B17B > > end of the original message And this is the reason of the soft limit of 65535 (from pwd_mkdb(8)): ENVIRONMENT If the PW_SCAN_BIG_IDS environment variable is set, pwd_mkdb will sup press the warning messages that are normally generated for large user and group IDs. Such IDs can cause serious problems with software that makes assumptions about the values of IDs. -- You can download my public key from http://digilander.iol.it/fcasadei/ or retrieve it from a keyserver (pgpkeys.mit.edu, wwwkeys.pgp.net, ...) Key fingerprint is: 1671 9A23 ACB4 520A E7EE 00B0 7EC3 375F 164E B17B [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE7nKNSfsM3XxZOsXsRAihIAJ4x12oJZqG6voOfsC6IHyTsMCG6TwCdGMU5 IRsd7vuvx6KRut9to9X8SUo= =nQnu -----END PGP SIGNATURE-----
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