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possible. Annotate <sys/param.h> lines with their current reasons. Switch
to PATH_MAX, NGROUPS_MAX, HOST_NAME_MAX+1, LOGIN_NAME_MAX, etc. Change
MIN() and MAX() to local definitions of MINIMUM() and MAXIMUM() where
sensible to avoid pulling in the pollution. These are the files confirmed
through binary verification.
ok guenther, millert, doug (helped with the verification protocol)
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standard "Cannot allocate memory" message.
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a union that can store either ipv4 or ipv6. The old method used
4x as much memory as was really needed for ipv4. The spamd-setup
protocol has changed from: tag;message;a/m;a/m;a/m...\n
to :tag;message;af;count;a/m;a/m;a/m...[af;count;a/m;a/m;a/m]\n
OK phessler@ "nice" beck@
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reading the config socket by clearing the entire blacklist struct
instead of just the tag string. Also avoid holes in the blacklist
array on error since the code can't cope with them. OK beck@
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connection buffer. Significantly speeds up spamd-setup for lage
blacklists. Also free the buffer when we are done with it so memory
can be returned to the system (as it can grow quite large).
OK deraadt@
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archdep.h help from kettenis@
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the constants whenever they fit, and avoiding saving and restoring
registers we don't need to preserve.
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Fixes remaining problems with static PIE on mips64.
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o doreply() just calls build_reply()
o remove a few dead stores and useless variables
o use the asprintf() return value
OK deraadt@
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fails.
ok kurt@
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relocation in _reloc_alpha_got(), and teach RELOC_RELA() to skip R_ALPHA_NONE
relocations (which are just nops used to fill out the relocation table).
Handling R_ALPHA_NONE relocations will be necessary for static PIE support
and it is not inconceivable that ld.so will end up with such relocations
at some point.
ok kurt@
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to determine if DT_JMPREL relocations are REL or RELA and conditionally
perform DT_JMPREL in either REL or RELA as needed (idea from kettenis@).
Remove unneeded i386 RELA implementation. i386 static pie working now.
okay kettenis@
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towards a wimpy (but sufficient) model, kurt and kettenis got upset enough
to do it the right way, right away before we got out of hand. Bravo!
We no longer need /sbin/ld.so on the new roadmap.
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rcsu0.o where the initial 'r' is for relocatable. rcsu0.o performs
self-relocation on static pie binaries by calling a slightly modified
copy of ld.so's _dl_boot_bind() in boot.h.
The first arch implementatation is also included for amd64 where
__start calls _dl_boot_bind() and then calls ___start(). Includes
parts from kettenis@ to help get R_X86_64_64 relocations working
and proper handling for undefined weak symbols.
This is the first part of several to get static pie self-relocating
binaries working. binutils, gcc and kernel changes are forthcoming
to complete the solution, then per-arch implementations are needed
for MD_RCRT0_START in csu.
okay kettenis@ pascal@ deraadt@
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PIE possible.
ok deraadt@ tedu@
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relocations, but will always call public symbols through the library's PLT.
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very special shell, so do not complain about that particular combination.
Idea originally brought up by landry@ five years ago, repeatedly forgotten.
Using feedback from sthen@ millert@ halex@; OK landry@ ajacoutot@.
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the address of the symbol must always resolve to the entry in the main
program's plt, regardless of which object the address resolution is performed
for, so that addresses (pointers) can be compared reliably.
However, depending on how far away library load address randomization places
the library, the main program's plt address might be too far away from the
library itself for its DISP26 relocations to fit in the required relative
displacement range.
Since DISP26 relocations can only be used in code for branches, it is safe
to resolve them to the actual address within the library, and avoid producing
out of bounds displacements.
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that these don't get reset for every relocation being processed (oops).
ok guenther@ deraadt@
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Use <fcntl.h> instead of <sys/{file,fcntl}.h>
ok krw@
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for quite some time. Mop up the last few, by using /dev/random where we
actually want it, or not even mentioning arandom where it is irrelevant.
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incorrect client garbage. ok deraadt sthen
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ok deraadt@
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ok espie@ deraadt@ millert@ tedu@
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troff displays these as typographic quotes, but nroff implementations
almost always print them literally, which rarely has the intended effect
with modern fonts, even in stock xterm.
These uses of `` '' can be replaced either with more semantic alternatives
or with Dq, which prints typographic quotes in a UTF-8 locale (but will
automatically fall back to `` '' in an ASCII locale).
improvements and ok schwarze@
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pointed out by deraadt@
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PLT is empty/unused. On at least macppc and sparc64, ld.so's attempt
to mprotect its PLT could instead hit its own allocated data and
cause a segfault shortly there after.
While here, take a shot at preventing the same issue with the GOT
by checking for __got_start != __got_end.
reproduction *with ktracing* by afresh1@ provided the key data
ok miod@ deraadt@
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distribution in the placement of malloc's dir_info.
ok otto@ deraadt@
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ok millert@
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millert@ made changes to realpath.c based on FreeBSD's version. I merged
Todd's changes into dl_realpath.c.
ok millert@, guenther@
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ok deraadt@
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ok deraadt@
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Fix example while here.
ok back@
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Avoid potential integer overflow in the size argument of malloc() and
realloc() by using reallocarray() to avoid unchecked multiplication.
ok deraadt@
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