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ian c125d4a078 Make pw_scan(3) more compatible with getpwent(3) et. al. when processing
data from /etc/passwd rather than /etc/master.passwd.

The libc getpwent(3) and related functions automatically read master.passwd
when run by root, or passwd when run by a non-root user.  When run by non-
root, getpwent() copes with the missing data by setting the corresponding
fields in the passwd struct to known values (zeroes for numbers, or a
pointer to an empty string for literals).  When libutil's pw_scan(3) was
used to parse a line without the root-accessible data, it was leaving
garbage in the corresponding fields.

These changes rename the static pw_init() function used by getpwent() and
friends to __pw_initpwd(), and move it into pw_scan.c so that common init
code can be shared between libc and libutil.  pw_scan(3) now calls
__pw_initpwd() before __pw_scan(), just like the getpwent() family does, so
that reading an arbitrary passwd file in either format and parsing it with
pw_scan(3) returns the same results as getpwent(3) would.

This also adds a new pw_initpwd(3) function to libutil, so that code which
creates passwd structs from scratch in some manner that doesn't involve
pw_scan() can initialize the struct to the values expected by lots of
existing code, which doesn't expect to encounter NULL pointers or garbage
values in some fields.
2018-07-26 18:34:38 +00:00
bin Describe how to prevent *.core files from being created using ulimit. 2018-07-19 13:09:29 +00:00
cddl Improve TCP related tests for dtrace. 2018-07-22 10:50:59 +00:00
contrib lld: fix addends with partial linking 2018-07-24 11:35:22 +00:00
crypto Merge upstream patch to unbreak tunnel forwarding. 2018-05-16 14:04:39 +00:00
etc Move apmd.conf to CONFS in usr.sbin/apmd which simplifies this nicely. 2018-07-26 16:51:23 +00:00
gnu Update libstdc++ configuration. 2018-07-16 18:53:28 +00:00
include msun: add ld80/ld128 powl, cpow, cpowf, cpowl from openbsd 2018-07-15 00:23:10 +00:00
kerberos5 Remove redundant space. 2018-07-10 00:26:13 +00:00
lib Make pw_scan(3) more compatible with getpwent(3) et. al. when processing 2018-07-26 18:34:38 +00:00
libexec Fix several Coverity warnings in tftp 2018-07-22 17:10:12 +00:00
release release: Add OL_DIR forgot in r336600 2018-07-25 17:45:56 +00:00
rescue Avoid referencing private lib names directly. 2017-11-10 07:53:02 +00:00
sbin Convert bsd.files.mk to support DIRS and simplify by only having one install 2018-07-26 17:05:33 +00:00
secure Upgrade to OpenSSH 7.7p1. 2018-05-11 13:22:43 +00:00
share Convert bsd.files.mk to support DIRS and simplify by only having one install 2018-07-26 17:05:33 +00:00
stand Ignore Device Paths in the Boot Info that don't have Media path 2018-07-26 05:08:58 +00:00
sys elf_common: update ARM ABI flag names 2018-07-26 17:52:57 +00:00
targets Remove special cases for armeb in the build. 2018-07-17 23:23:54 +00:00
tests Introduce test program for auditpipe(4) 2018-07-26 00:16:41 +00:00
tools Move mostly useless examples binaries from OFED, as well as the Subnet 2018-07-20 23:52:11 +00:00
usr.bin top(1): forgot in r336160 2018-07-26 13:53:22 +00:00
usr.sbin Move apmd.conf to CONFS in usr.sbin/apmd which simplifies this nicely. 2018-07-26 16:51:23 +00:00
.arcconfig callsign isn't required anymore 2016-09-29 06:19:45 +00:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.gitattributes .git*: add gitattributes and gitignore 2017-12-25 21:07:54 +00:00
.gitignore Ignore _.universe-toolchain file. 2018-07-01 13:50:37 +00:00
COPYRIGHT Remove 'All Rights Reserved' from the collection copyright and templates. 2018-05-09 02:02:49 +00:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Add pointer to freebsd-numerics for libm. 2018-07-16 15:29:32 +00:00
Makefile As discussed several times on freebsd-arch, start to decommission armeb. 2018-07-17 23:23:34 +00:00
Makefile.inc1 Alpha-sort the list of user/group IDs to check at install time. 2018-07-22 16:51:11 +00:00
Makefile.libcompat Don't change directory owner to root when building with -DNO_ROOT 2018-06-29 21:15:26 +00:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc Add a few forgotten files to ObsoleteFiles.inc: 2018-07-25 17:14:05 +00:00
README README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
README.md README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
UPDATING Say a little more about the new protocol. 2018-07-23 22:15:36 +00:00

FreeBSD Source:

This is the top level of the FreeBSD source directory. This file was last revised on: FreeBSD

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

For copyright information, please see the file COPYRIGHT in this directory. Additional copyright information also exists for some sources in this tree - please see the specific source directories for more information.

The Makefile in this directory supports a number of targets for building components (or all) of the FreeBSD source tree. See build(7), config(8), https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html, and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information, including setting make(1) variables.

Source Roadmap:

bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

stand		Boot loader sources.

sys		Kernel sources.

sys/<arch>/conf Kernel configuration files. GENERIC is the configuration
		used in release builds. NOTES contains documentation of
		all possible entries.

tests		Regression tests which can be run by Kyua.  See tests/README
		for additional information.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.

For information on synchronizing your source tree with one or more of the FreeBSD Project's development branches, please see:

https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html