update_faillog(). Report errors (but don't fail) if the file
exist, but open(), lseek(), read(), write(), or close() fails.
* src/usermod.c: Add brackets and parenthesis.
* src/usermod.c: Ignore the return value of pam_end() before
exiting.
* src/usermod.c: Ignore the return value of strftime(),
snprintf(), and puts().
* src/usermod.c: Check the return value of gmtime() and asctime(),
and output the raw time_t on failures.
booleans.
* libmisc/env.c: Add brackets and parenthesis.
* libmisc/env.c: Ignore the return value of puts() and fputs().
* libmisc/env.c: Avoid multi-statements lines.
booleans.
* libmisc/utmp.c: Add brackets and parenthesis.
* libmisc/utmp.c: Exit with the EXIT_FAILURE status code in case
of failure.
* libmisc/utmp.c: Avoid assignments in comparisons.
* lib/prototypes.h, libmisc/utmp.c: Change setutmp()'s prototype
to return an int because pututline() and pututxline() may fail.
* libmisc/limits.c: Avoid implicit conversion of pointers /
integers to booleans.
* libmisc/limits.c: Ignore the return value of umask(). We will
never return to the original umask.
* libmisc/limits.c: Avoid multi-statements lines.
* libmisc/limits.c: Added default to a switch(). Report invalid
limit strings to syslog.
* libmisc/limits.c: Ignore the return value of fclose().
/etc/limits is open read-only.
* libmisc/limits.c: Ignore the return value of fputs() and
sleep().
* libmisc/limits.c: Check the return value of nice() and
set_filesize_limit(), and report errors to syslog.
* libmisc/ulimit.c, lib/prototypes.h: Return failures of
set_filesize_limit(). Change the prototype to return an int
instead of void.
libmisc/find_new_uid.c, libmisc/Makefile.am, lib/prototypes.h:
Split find_new_ids.c into find_new_gid.c and find_new_uid.c to
ease the description of login.defs variables in the different
tools.
booleans.
* lib/defines.h: Ignore return values of setlocale() except the
first call.
* lib/defines.h: Fix a splint observer warning by using an
intermediate variable (old_locale).
reading or writing at an unspecified location. Log to syslog in
case of failure when reading a faillog entry or writing in
faillog or btmp.
* libmisc/failure.c: Check if the file exist before opening it.
* libmisc/failure.c: Log failures of open() and close() when
necessary.
* src/lastlog.c: umin and umax do not need to be signed long. Use
an unsigned long which might be needed to parse a GID or UID. Add
the has_umin and has_umax to replace the -1 values.
* src/lastlog.c: Cast dates to time_t.
* src/lastlog.c: Prefix lastlog errors with "lastlog: ".
value of spwd.sp_flag.
* lib/shadow.c: Add brackets.
* lib/shadow.c: Avoid implicit conversion of pointers to
booleans.
* lib/shadow.c: The size argument of fgets is an int, not a
size_t.
* lib/gshadow.c: Remove __setsgNIS() -never used).
* lib/gshadow.c: Avoid multi-statements lines.
* lib/gshadow.c: Avoid assignments in comparisons.
* lib/gshadow.c: ptr[nelem] is a string. Initialize it to NULL
instead of '\0'.
* lib/gshadow.c: Add brackets and parenthesis.
* lib/gshadow.c: The size argument of strncpy is a size_t and the
size argument of fgets is an int.
* lib/getdef.c: Added TODOs because of lack of error checking.
* lib/getdef.c: The size argument of fgets is an int, not a
size_t.
* lib/getdef.c: Avoid multi-statements lines.
* src/login.c: Use a %lu format and cast group and user IDs to
unsigned long integers.
* src/login.c: Ignore return value of setlocale(),
bindtextdomain(), and textdomain().
prototypes.
* src/chage.c: The ID argument of audit_logger is an unsigned
int. Use AUDIT_NO_ID instead of -1.
* src/chage.c: print_date() received a time_t.
* src/chage.c: Use SHADOW_SP_FLAG_UNSET for the initial
value of spwent.sp_flag.
unsigned long integers.
* src/pwck.c: Cast number of days to a long integer.
* src/pwck.c: Use the SCALE macro instead of (24L * 3600L)
for the values to be set in /etc/shadow.
* src/pwck.c: Use SHADOW_SP_FLAG_UNSET for the initial
value of spent.sp_flag.
int. Use AUDIT_NO_ID instead of -1.
* src/groupmod.c: Use a %lu format and cast group and user IDs to
unsigned long integers.
* src/groupmod.c: Cast the parsed GID/UID to a gid_t/uid_t.
int. Use AUDIT_NO_ID instead of -1.
* src/useradd.c: Cast the parsed GID/UID to a gid_t/uid_t.
* src/useradd.c: The size argument of fgets is an int, not a
size_t.
* src/useradd.c: Cast number of days to a long integer.
* src/useradd.c: Use SHADOW_SP_FLAG_UNSET for the initial
value of spent.sp_flag.
* src/useradd.c: Use a %lu format and cast group and user IDs to
unsigned long integers.
* src/newusers.c: Comment why we use both getgrgid() and
gr_locate_gid().
* src/newusers.c: Cast the parsed GID/UID to a gid_t/uid_t.
* src/newusers.c: Cast the number of days to a long integer.
* src/newusers.c: Use SHADOW_SP_FLAG_UNSET for the initial
value of spent.sp_flag.
* src/newusers.c: The size argument of fgets is an int, not a
size_t.
long integer.
* src/usermod.c: Cast UIDs and GIDs to uid_t and gid_t after
checking the ranges.
* src/usermod.c: The ID argument of audit_logger is an unsigned
int.
* src/usermod.c: read() returns a ssize_t.
* src/usermod.c: Cast the return value of malloc and make sure it
receives a size_t.
int.
* src/gpasswd.c: Ignore the return value of signal(). The signal
handlers are only changed for the last steps of gpasswd, and there
is no need to restore them.
