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* dmagent: add -D_WITH_GETLINE to fix stable/11 buildemaste2018-04-091-0/+1
| | | | | | The need for _WITH_GETLINE and _WITH_DPRINTF was removed in HEAD in r303524 but is still needed in stable/11 to enable prototypes for these functions.
* MFC r330073:mmel2018-04-041-5/+15
| | | | | | Make rtld_bind_start() debugger friendly. Save link register and annotate call frame structure so debugger can unwind call frame created by rtld_bind_start().
* Revert r330897:eadler2018-03-2952-147/+43
| | | | | | | | | | | | | | | | | This was intended to be a non-functional change. It wasn't. The commit message was thus wrong. In addition it broke arm, and merged crypto related code. Revert with prejudice. This revert skips files touched in r316370 since that commit was since MFCed. This revert also skips files that require $FreeBSD$ property changes. Thank you to those who helped me get out of this mess including but not limited to gonzo, kevans, rgrimes. Requested by: gjb (re)
* MFC: r328834marius2018-03-1911-4/+75
| | | | | | | | | | | | | | | o Let rtld(1) set up psABI user trap handlers prior to executing the objects' init functions instead of doing the setup via a constructor in libc as the init functions may already depend on these handlers to be in place. This gets us rid of: - the undefined order in which libc constructors as __guard_setup() and jemalloc_constructor() are executed WRT __sparc_utrap_setup(), - the requirement to link libc last so __sparc_utrap_setup() gets called prior to constructors in other libraries (see r122883). For static binaries, crt1.o still sets up the user trap handlers. o Move misplaced prototypes for MD functions in to the MD prototype section of rtld.h. o Sprinkle nitems().
* Partial merge of the SPDX changeseadler2018-03-1452-43/+147
| | | | | | | These changes are incomplete but are making it difficult to determine what other changes can/should be merged. No objections from: pfg
* MFC r320406:eadler2018-03-031-3/+2
| | | | A little tweak for performance
* MFC r327289:pfg2018-01-102-13/+17
| | | | | | | | | | | | | rpc.sprayd: Bring some changes from NetBSD. Most notable, other than some style issues: CVS 1.11: do not use LOG_CONS. CVS 1.13: consistently use exit instead of return in main(). use LOG_WARNING instead of LOG_ERR for non critical errors. Obtained from: NetBSD
* MFC r327236:delphij2018-01-101-1/+0
| | | | | Replace send-mail with the more standarized sendmail, we do not create links for send-mail in mailwrapper so it did not work anyway.
* MFC r326562: Use strlcpy().delphij2017-12-201-1/+1
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* MFC r324364: ftpd(8): fix user context handlingeugen2017-11-061-4/+17
| | | | | | | | | | | | | | Apply authenticated user context after update of wtmp(5) at start of session, so that ftpd process is not killed by kernel with SIGXFSZ when user has "filesize" limit lower than size of system wtmp file. Same applies to session finalization: revert to super-user context before update of wtmp. If ftpd hits limit while writing a file at user request, do not get killed with SIGXFSZ instantly but apparently ignore the signal, process error and report it to the user, and continue with the session. PR: 143570 Approved by: mav (mentor)
* MFC r318432:bdrewery2017-11-041-1/+1
| | | | | | Fix some nroff syntax in rtld.1. PR: 223420
* MFC r323252:dab2017-09-254-2/+8
| | | | | | | | | | | | | Add a new getty/gettytab capability to generate an initial message dynamically. This modification adds a new gettytab(5) option (iM) to specify a program to run that will generate the initial (banner) message that is displayed before the login prompt. Such a capability is useful when dynamic information is needed in the banner message that cannot be supplied by the set of % substitution sequences available in the "im" option. Sponsored by: Dell EMC
* MFC r317801 (by trasz):dab2017-09-251-36/+36
| | | | | | | Fix markup in gettytab(5). Approved by: vangyzen (mentor) Sponsored by: Dell EMC
* MFC r313107 (by danfe):dab2017-09-252-52/+48
| | | | | | | | | | | | | | | | | | | | | | | Try to fix the old "he capability is stupid" bug in gettytab(5)/getty(8) There is one capability explicitly documented in gettytab(5) as stupid: he. And it is indeed. It was meant to facilitate system hostname modification, but is hardly usable in practice because it allows very limited editing (e.g., it depends on a particular hostname length, making it non-generic). Replace it with simple implementation that treats ``he'' as POSIX extended regular expression which is matched against the hostname. If there are no parenthesized subexpressions in the pattern, entire matched string is used as the final hostname. Otherwise, use the first matched subexpression. If the pattern does not match, the original hostname is not modified. Using regex(3) gives more freedom, does not complicate the code very much, and makes a lot more sense, in turn making ``he'' less stupid and actually useful (e.g., it is now possible to obtain node or domain names from the original hostname string, without knowing it in advance). Approved by: vangyzen (mentor) Sponsored by: Dell EMC
* MFC 323025: Read max_stack_flags from correct object.jhb2017-09-211-1/+1
| | | | | | 'obj' is not initialized here. Sponsored by: DARPA / AFRL
* MFC r323102:kib2017-09-041-1/+1
| | | | Add serial comma.
* MFC r321607:kib2017-08-101-9/+10
| | | | | | Allow to specify targets by absolute paths in libmap.conf. PR: 221032
* MFC 321762sephe2017-08-071-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | hyperv: Add VF bringup scripts and devd rules. How network VF works with hn(4) on Hyper-V in non-transparent mode: - Each network VF has a cooresponding hn(4). - The network VF and the it's cooresponding hn(4) have the same hardware address. - Once the network VF is up, e.g. ifconfig VF up: o All of the transmission should go through the network VF. o Most of the reception goes through the network VF. o Small amount of reception may go through the cooresponding hn(4). This reception will happen, even if the the cooresponding hn(4) is down. The cooresponding hn(4) will change the reception interface to the network VF, so that network layer and application layer will be tricked into thinking that these packets were received by the network VF. o The cooresponding hn(4) pretends the physical link is down. - Once the network VF is down or detached: o All of the transmission should go through the cooresponding hn(4). o All of the reception goes through the cooresponding hn(4). o The cooresponding hn(4) fallbacks to the original physical link detection logic. All these features are mainly used to help live migration, during which the network VF will be detached, while the network communication to the VM must not be cut off. In order to reach this level of live migration transparency, we use failover mode lagg(4) with the network VF and the cooresponding hn(4) attached to it. To ease user configuration for both network VF and non-network VF, the lagg(4) will be created by the following rules, and the configuration of the cooresponding hn(4) will be applied to the lagg(4) automatically. Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D11635
* MFC r320491:ngie2017-07-311-0/+1
| | | | | | | atf-sh(3): document atf_init_test_cases(3) fully The function was missing from the NAME/SYNOPSIS sections. Add a manpage link to complete the documentation reference.
* MFC r314653:ngie2017-07-2011-17/+16
| | | | | | libexec: normalize paths using SRCTOP-relative paths or :H when possible This simplifies make logic/output
* MFC r316552,r319662:ngie2017-07-181-1/+23
| | | | | | | | | | | | | | | | r316552: atf-c: fix documentation description for atf_utils_wait(3) atf_utils_wait(3) should be used in combination with atf_utils_fork(3), not itself (atf_utils_wait(3)). r319662: Add MLINKS for atf-sh(3) to each of the functions it implements This hopefully will make atf-sh(3) easier to understand for newcomers, without having to go through the atf-sh(3) level of indirection.
* MFC r320433:delphij2017-07-171-5/+2
| | | | Use strlcpy() instead of strncpy() and nul-terminating.
* MFC r320989:kib2017-07-171-9/+10
| | | | Language improvements.
* MFC r320658:kib2017-07-111-3/+7
| | | | When reporting undefined symbol, note the version, if specified.
* MFC r320665:delphij2017-07-081-3/+3
| | | | | | | In open_binary_fd: when using buffer size for strl* and snprintf, always use >= instead of > to avoid truncation. releng/11.1 candidate.
* MFC r320318:kib2017-07-051-1/+5
| | | | Use address space guard to implement inter-segment gap.
* MFC r320644:allanjude2017-07-042-2/+20
| | | | Add deprecation notices for all rcmd tools
* MFC r318954vangyzen2017-06-015-25/+0
| | | | | | | | | rtld: fix warnings about redundant declarations Fix warnings about redundant declarations in rtld when libthr in increased to WARNS=6. Sponsored by: Dell EMC
* MFC r319137:kib2017-06-011-4/+5
| | | | Correct explanation of the dynamic tokens handling.
* MFC r319138:kib2017-06-011-0/+71
| | | | Document direct execution mode for rtld.
* MFC r318446:kib2017-05-291-3/+8
| | | | Update my copyright, note The FreeBSD Foundation involvement.
* MFC direct execution mode for rtld.kib2017-05-291-19/+243
| | | | | | | | | | | | | | | | | | | | MFC r318313: Make ld-elf.so.1 directly executable. MFC r318352 (by jonathan): Rename rtld's parse_libdir to parse_integer. MFC r318380: Pretend that there is some security when executing in direct mode. MFC r318431 (by jonathan): Allow rtld direct-exec to take a file descriptor. MFC r318445: Fix style, add static keyword before static function definition. MFC r318739: For ld.so direct execution mode, implement -p option.
* MFC r318312:kib2017-05-291-0/+2
| | | | Fix the AT_EXECFD functionality.
* MFC r314833rgrimes2017-05-281-1/+1
| | | | | | | | | | | | | | | | | | | | | Convert absolute links to relative links. Style.Makefile(9) has been ignored to produce minimal diffs. MFC r314837 The relative symlink fix causes downstream issues for EMC DELL Isilon so revert the relative symlink fix pending a better solution. Reported by: ngie MFC r315091 Revert r314833 until the problem with INSTALL_RSYMLINKS can be found as it appears to break arm release builds. PR: 217705 Reported by: cyclaero@gmail.com Approved by: grehan (mentor)
* MFC r318256:kib2017-05-201-23/+10
| | | | Style.
* MFC r317862:lidl2017-05-122-3/+5
| | | | | | | | | | | | Improve blacklist support before upgrading libblacklist The locally declared enum of blacklistd actions needs to be hidden when the soon to be committed changes to libblacklist are brought into the tree. Fix the type of the "msg" parameter to match the library. There should be no functional changes. Sponsored by: The FreeBSD Foundation
* MFC r312764:andrew2017-04-201-8/+16
| | | | | | | | Pull the R_AARCH64_TLSDESC code out into a common function and use them in both the plt and non-plt case. This fixes an issue where libraries built with LLD can fail with "Unhandled relocation 1031"
* MFC r315040asomers2017-04-023-0/+3
| | | | | | | | | | | Increase WARNS for rtld-elf tests ATF tests have a default WARNS of 0, unlike other usermode programs. Reviewed by: ngie, julian MFC after: 3 weeks Sponsored by: Spectra Logic Corporation Differential Revision: https://reviews.freebsd.org/D9933
* MFC r315331:kib2017-03-2921-66/+88
| | | | | | | | | | Implement LD_BIND_NOT knob for rtld. MFC r315337: Disable LD_BIND_NOT for setugid processes. MFC r315429 (by jilles): Document that LD_BIND_NOT is unset for setugid processes.
* MFC r309068 (by jhb):kib2017-03-292-4/+15
| | | | Fix _mips_rtld_bind() to handle ELF filters.
* MFC r314973:kib2017-03-161-25/+33
| | | | Avoid bind lock recursion.
* MFC r313494:kib2017-02-231-8/+12
| | | | Handle protected symbols in rtld.
* MFC r311473:ngie2017-02-042-1/+11
| | | | | | Conditionalize all code that uses tcpd.h behind `LIBWRAP` guard This will allow the code to stand by itself without libwrap
* MFC r310420, r310421, r310422:markj2017-02-032-19/+81
| | | | Fix races and logic errors around dlclose().
* MFC r312288: rtld: do not rely on a populated GOT on amd64emaste2017-01-262-2/+14
| | | | | | | | | | | | | | | | | | On rela architectures GNU BFD ld and gold store the relocation addend in GOT entries (in addition to the relocation's r_addend field). rtld previously relied on this to access its own _DYNAMIC symbol in order to apply its own relocations. However, recording addends in the GOT is not specified by the ABI, and some versions of LLVM's LLD linker leave the GOT uninitialized on rela architectures. BFD ld does not populate the GOT on sparc64, and sparc64 rtld has a machine-dependent rtld_dynamic_addr() function that returns the _DYNAMIC address. Use the same approach on amd64, obtaining the %rip- relative _DYNAMIC address following a suggestion from Rafael Espíndola. Architectures other than amd64 should be addressed in future work.
* MFC r311886:kib2017-01-241-24/+29
| | | | | | Fix acquisition of nested write compat rtld locks. PR: 215826
* MFC r311984:kib2017-01-191-8/+20
| | | | | For the main binary, postpone enforcing relro read-only protection until copy relocations are done.
* MFC r311879:kib2017-01-171-4/+4
| | | | Use ANSI C definitions, update comment.
* MFC r310609: Don't use high precision clock for expiration as only seconddelphij2017-01-091-7/+7
| | | | portion is used.
* MFC r310608: Avoid use after free.delphij2017-01-091-4/+6
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