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* rcmd.c: Fix indentation in last commitSiddhesh Poyarekar2023-04-181-2/+2
| | | | Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
* inet/rcmd.c: fix warn unused resultFrédéric Bérat2023-04-181-2/+5
| | | | | | | Fix unused result warnings, detected when _FORTIFY_SOURCE is enabled in glibc. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
* Move libc_freeres_ptrs and libc_subfreeres to hidden/weak functionsAdhemerval Zanella Netto2023-03-274-4/+16
| | | | | | | | | | | | | | | | | | | | They are both used by __libc_freeres to free all library malloc allocated resources to help tooling like mtrace or valgrind with memory leak tracking. The current scheme uses assembly markers and linker script entries to consolidate the free routine function pointers in the RELRO segment and to be freed buffers in BSS. This patch changes it to use specific free functions for libc_freeres_ptrs buffers and call the function pointer array directly with call_function_static_weak. It allows the removal of both the internal macros and the linker script sections. Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* C2x strtol binary constant handlingJoseph Myers2023-02-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | C2x adds binary integer constants starting with 0b or 0B, and supports those constants in strtol-family functions when the base passed is 0 or 2. Implement that strtol support for glibc. As discussed at <https://sourceware.org/pipermail/libc-alpha/2020-December/120414.html>, this is incompatible with previous C standard versions, in that such an input string starting with 0b or 0B was previously required to be parsed as 0 (with the rest of the string unprocessed). Thus, as proposed there, this patch adds 20 new __isoc23_* functions with appropriate header redirection support. This patch does *not* do anything about scanf %i (which will need 12 new functions per long double variant, so 12, 24 or 36 depending on the glibc configuration), instead leaving that for a future patch. The function names would remain as __isoc23_* even if C2x ends up published in 2024 rather than 2023. Making this change leads to the question of what should happen to internal uses of these functions in glibc and its tests. The header redirection (which applies for _GNU_SOURCE or any other feature test macros enabling C2x features) has the effect of redirecting internal uses but without those uses then ending up at a hidden alias (see the comment in include/stdio.h about interaction with libc_hidden_proto). It seems desirable for the default for internal uses to be the same versions used by normal code using _GNU_SOURCE, so rather than doing anything to disable that redirection, similar macro definitions to those in include/stdio.h are added to the include/ headers for the new functions. Given that the default for uses in glibc is for the redirections to apply, the next question is whether the C2x semantics are correct for all those uses. Uses with the base fixed to 10, 16 or any other value other than 0 or 2 can be ignored. I think this leaves the following internal uses to consider (an important consideration for review of this patch will be both whether this list is complete and whether my conclusions on all entries in it are correct): benchtests/bench-malloc-simple.c benchtests/bench-string.h elf/sotruss-lib.c math/libm-test-support.c nptl/perf.c nscd/nscd_conf.c nss/nss_files/files-parse.c posix/tst-fnmatch.c posix/wordexp.c resolv/inet_addr.c rt/tst-mqueue7.c soft-fp/testit.c stdlib/fmtmsg.c support/support_test_main.c support/test-container.c sysdeps/pthread/tst-mutex10.c I think all of these places are OK with the new semantics, except for resolv/inet_addr.c, where the POSIX semantics of inet_addr do not allow for binary constants; thus, I changed that file (to use __strtoul_internal, whose semantics are unchanged) and added a test for this case. In the case of posix/wordexp.c I think accepting binary constants is OK since POSIX explicitly allows additional forms of shell arithmetic expressions, and in stdlib/fmtmsg.c SEV_LEVEL is not in POSIX so again I think accepting binary constants is OK. Functions such as __strtol_internal, which are only exported for compatibility with old binaries from when those were used in inline functions in headers, have unchanged semantics; the __*_l_internal versions (purely internal to libc and not exported) have a new argument to specify whether to accept binary constants. As well as for the standard functions, the header redirection also applies to the *_l versions (GNU extensions), and to legacy functions such as strtoq, to avoid confusing inconsistency (the *q functions redirect to __isoc23_*ll rather than needing their own __isoc23_* entry points). For the functions that are only declared with _GNU_SOURCE, this means the old versions are no longer available for normal user programs at all. An internal __GLIBC_USE_C2X_STRTOL macro is used to control the redirections in the headers, and cases in glibc that wish to avoid the redirections - the function implementations themselves and the tests of the old versions of the GNU functions - then undefine and redefine that macro to allow the old versions to be accessed. (There would of course be greater complexity should we wish to make any of the old versions into compat symbols / avoid them being defined at all for new glibc ABIs.) strtol_l.c has some similarity to strtol.c in gnulib, but has already diverged some way (and isn't listed at all at https://sourceware.org/glibc/wiki/SharedSourceFiles unlike strtoll.c and strtoul.c); I haven't made any attempts at gnulib compatibility in the changes to that file. I note incidentally that inttypes.h and wchar.h are missing the __nonnull present on declarations of this family of functions in stdlib.h; I didn't make any changes in that regard for the new declarations added.
* Replace rawmemchr (s, '\0') with strchrWilco Dijkstra2023-02-061-3/+3
| | | | | | | | | Almost all uses of rawmemchr find the end of a string. Since most targets use a generic implementation, replacing it with strchr is better since that is optimized by compilers into strlen (s) + s. Also fix the generic rawmemchr implementation to use a cast to unsigned char in the if statement. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Add IPPROTO_L2TP from Linux 6.1 to netinet/in.hJoseph Myers2023-01-171-0/+2
| | | | | | | | | Linux 6.1 adds a define IPPROTO_L2TP to its include/uapi/linux/in.h (not strictly a new constant, since it's moved from include/uapi/linux/l2tp.h). Add this constant to glibc's netinet/in.h. Tested for x86_64.
* Update copyright dates with scripts/update-copyrightsJoseph Myers2023-01-0692-92/+92
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* Avoid use of atoi in some places in libcJoseph Myers2022-12-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is split out of <https://sourceware.org/pipermail/libc-alpha/2022-December/144122.html>. atoi has undefined behavior on out-of-range input, which makes it problematic to use anywhere in glibc that might be processing input out-of-range for atoi but not specified to produce undefined behavior for the function calling atoi. Change some uses of atoi to call strtol instead; this avoids the undefined behavior, though there is no guarantee that the overflow handling of strtol is really right in those places either. This also serves to avoid localplt test failures given an installed header redirection for strtol (which means that the call from the inline atoi implementation doesn't end up at a hidden alias from libc_hidden_proto). Certainly, the use of atoi is questionable in argp-help.c (shared with gnulib, so shouldn't depend on glibc implementation details, and processing user-provided input), and maybe also in argp-parse.c (I'm not sure what that code in argp-parse.c is meant to be used for). I also changed inet/rexec.c and resolv/res_init.c similarly to use strtol to avoid such localplt failures, although given those files (in those versions) are only used in glibc it's not problematic for them to rely on the specific behavior of glibc's atoi on out-of-range input (in the absence of compiler optimizations based on the undefined behavior) in the same way it's problematic for gnulib code to do so. There may be other uses of atoi (or atol or atoll), in any of glibc's installed code, for which it would also be appropriate to avoid the undefined behavior on out-of-range input; this patch only fixes the specific cases needed to avoid localplt failures. Tested for x86_64.
* configure: Use -Wno-ignored-attributes if compiler warns about multiple aliasesAdhemerval Zanella2022-11-011-0/+3
| | | | | | | | | clang emits an warning when a double alias redirection is used, to warn the the original symbol will be used even when weak definition is overridden. However, this is a common pattern for weak_alias, where multiple alias are set to same symbol. Reviewed-by: Fangrui Song <maskray@google.com>
* Use PTR_MANGLE and PTR_DEMANGLE unconditionally in C sourcesFlorian Weimer2022-10-181-6/+0
| | | | | | | | | | | | | | | | | In the future, this will result in a compilation failure if the macros are unexpectedly undefined (due to header inclusion ordering or header inclusion missing altogether). Assembler sources are more difficult to convert. In many cases, they are hand-optimized for the mangling and no-mangling variants, which is why they are not converted. sysdeps/s390/s390-32/__longjmp.c and sysdeps/s390/s390-64/__longjmp.c are special: These are C sources, but most of the implementation is in assembler, so the PTR_DEMANGLE macro has to be undefined in some cases, to match the assembler style. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Introduce <pointer_guard.h>, extracted from <sysdep.h>Florian Weimer2022-10-181-0/+1
| | | | | | | | | | | | | | This allows us to define a generic no-op version of PTR_MANGLE and PTR_DEMANGLE. In the future, we can use PTR_MANGLE and PTR_DEMANGLE unconditionally in C sources, avoiding an unintended loss of hardening due to missing include files or unlucky header inclusion ordering. In i386 and x86_64, we can avoid a <tls.h> dependency in the C code by using the computed constant from <tcb-offsets.h>. <sysdep.h> no longer includes these definitions, so there is no cyclic dependency anymore when computing the <tcb-offsets.h> constants. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Move ip_mreqn structure from Linux to genericSamuel Thibault2022-08-151-0/+13
| | | | | | | | I.e. from sysdeps/unix/sysv/linux/bits/in.h to netinet/in.h It is following both the BSD and Linux definitions. Reviewed-by: Florian Weimer <fweimer@redhat.com>
* inet: Turn __ivaliduser into a compatibility symbolFlorian Weimer2022-08-101-13/+6
| | | | | It is not declared in a header file, and as the comment indicates, it is not expected to be used.
* inet: Use 64 bit stat for ruserpass (BZ# 29210)Adhemerval Zanella2022-06-011-2/+2
| | | | | | This is a missing spot initially from 52a5fe70a2c77935. Checked on i686-linux-gnu.
* inet: Return EAI_MEMORY when nrl_domainname() fails to allocate memoryAdhemerval Zanella2022-03-081-68/+74
| | | | | | It aligns NI_NOFQDN with default behavior for getnameinfo(). Checked on x86_64-linux-gnu.
* inet: Remove strdupa from nrl_domainname()Adhemerval Zanella2022-03-081-5/+5
| | | | | | | | We can use the already in place scratch_buffer. Checked on x86_64-linux-gnu. Reviewed-by: DJ Delorie <dj@redhat.com>
* inet: Fix getnameinfo (NI_NOFQDN) race condition (BZ#28566)Adhemerval Zanella2022-03-081-70/+78
| | | | | | | | | | | | | The 'not_first' is accessed on nrl_domainname() in a non atomically way, although it is only updated after the lock is taken. This patch fix the double-checked locking by using acquire-release atomic operation instead of plain load and by moving the 'not_first' store only after 'domain' is actually set. Checked on x86_64-linux-gnu. Reviewed-by: DJ Delorie <dj@redhat.com>
* Update copyright dates with scripts/update-copyrightsPaul Eggert2022-01-0192-92/+92
| | | | | | | | | | | | | | | | | | | | | | | I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 7061 files FOO. I then removed trailing white space from math/tgmath.h, support/tst-support-open-dev-null-range.c, and sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following obscure pre-commit check failure diagnostics from Savannah. I don't know why I run into these diagnostics whereas others evidently do not. remote: *** 912-#endif remote: *** 913: remote: *** 914- remote: *** error: lines with trailing whitespace found ... remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
* Remove "Contributed by" linesSiddhesh Poyarekar2021-09-0344-44/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | We stopped adding "Contributed by" or similar lines in sources in 2012 in favour of git logs and keeping the Contributors section of the glibc manual up to date. Removing these lines makes the license header a bit more consistent across files and also removes the possibility of error in attribution when license blocks or files are copied across since the contributed-by lines don't actually reflect reality in those cases. Move all "Contributed by" and similar lines (Written by, Test by, etc.) into a new file CONTRIBUTED-BY to retain record of these contributions. These contributors are also mentioned in manual/contrib.texi, so we just maintain this additional record as a courtesy to the earlier developers. The following scripts were used to filter a list of files to edit in place and to clean up the CONTRIBUTED-BY file respectively. These were not added to the glibc sources because they're not expected to be of any use in future given that this is a one time task: https://gist.github.com/siddhesh/b5ecac94eabfd72ed2916d6d8157e7dc https://gist.github.com/siddhesh/15ea1f5e435ace9774f485030695ee02 Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Add INADDR_DUMMY from Linux 5.13 to netinet/in.hJoseph Myers2021-08-051-0/+3
| | | | | | | | Linux 5.13 adds an INADDR_DUMMY definition; add a corresponding definition to glibc's netinet/in.h. (This isn't strictly a new kernel interface, rather a value defined in RFC 7600.) Tested for x86_64.
* resolv: Deprecate legacy interfaces in libresolvFlorian Weimer2021-07-191-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Debugging interfaces: p_*, fp_*, and sym_* could conceivably be used to produce debug out, but these functions have not been updated to parse more resource records, so they are not very useful today. Likewise for ns_sprintrr and ns_sprintrrf. ns_format_ttl and ns_parse_ttl are related to these. Internal implementation details: res_isourserver is probably only useful in the implementation of a stub resolver, and so is res_nameinquery. Unclear semantics and bad performance: ns_samedomain, ns_subdomain, ns_makecanon, ns_samename do textual converions & copies instead of checking equivalence of the wire format. inet_neta cannot handle IPv6 addresses. res_hostalias has been superseded by getaddrinfo with AI_CANONNAME. hostalias is not thread-safe. Some functions have int as size arguments instead of size_t, so they do not follow current coding practices. However, dn_expand and b64_ntop are somewhat widely used (to name just two examples), so deprecating them seems problematic. Reviewed-by: Carlos O'Donell <carlos@systemhalted.org>
* inet: Add hidden prototype for __inet_networkFlorian Weimer2021-07-071-1/+3
| | | | Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Add RFC 8335 Definitions from Linux 5.13Andreas Roeseler2021-06-291-0/+2
| | | | | | | | | | | | | | | | | | | | RFC 8335 defines the network utility PROBE, which builds off of the capabilities of Ping to query more detailed interface information from networking nodes. The definitions included in this patchset have been accepted into the linux net-next branch and will be included in Linux 5.13. This patchset adds the same definitions to the glibc for use in the iputils package. The relevant commits for the Linux definitions can be found here: https://github.com/torvalds/linux/commit/e542d29ca81d005651680a0a697b72ca13ddc4cc https://github.com/torvalds/linux/commit/750f4fc2a12f6632b5aa04526bf57fa06bfe8467 These changes have been tested by running the glibc tests on x86_64 Signed-off-by: Andreas Roeseler <andreas.a.roeseler@gmail.com> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Use 64 bit time_t stat internallyAdhemerval Zanella2021-06-221-3/+3
| | | | | | | | | | For the legacy ABI with supports 32-bit time_t it calls the 64-bit time directly, since the LFS symbols calls the 64-bit time_t ones internally. Checked on i686-linux-gnu and x86_64-linux-gnu. Reviewed-by: Lukasz Majewski <lukma@denx.de>
* Add missing symbols to Version filesFlorian Weimer2021-06-021-0/+2
| | | | | | | | | Some symbols have explicit versioned_symbol or compat_symbol markers in the sources, but no corresponding entry in the Versions files. This presently works because the local: * directive is only applied to the base version. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* inet: Free result from getaddrinfoSiddhesh Poyarekar2021-05-132-8/+9
| | | | | Coverity discovered paths where the result from getaddrinfo was not freed.
* Annotate additional APIs with GCC attribute access.Martin Sebor2021-05-061-1/+1
| | | | | | | | | | | | | | | | This change continues the improvements to compile-time out of bounds checking by decorating more APIs with either attribute access, or by explicitly providing the array bound in APIs such as tmpnam() that expect arrays of some minimum size as arguments. (The latter feature is new in GCC 11.) The only effects of the attribute and/or the array bound is to check and diagnose calls to the functions that fail to provide a sufficient number of elements, and the definitions of the functions that access elements outside the specified bounds. (There is no interplay with _FORTIFY_SOURCE here yet.) Tested with GCC 7 through 11 on x86_64-linux.
* Update copyright dates with scripts/update-copyrightsPaul Eggert2021-01-0292-92/+92
| | | | | | | | | | | | | | | | I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
* Fix spelling and grammar in several commentsJonny Grant2020-12-121-4/+4
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* nsswitch: use new internal API (callers)DJ Delorie2020-12-044-73/+11
| | | | | | Stitch new ABI and types throughout all NSS callers. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
* Add {,sysdep-}ld-library-path make variableSamuel Thibault2020-11-161-1/+1
| | | | | | | | On GNU/Hurd we not only need $(common-objpfx) in LD_LIBRARY_PATH when loading dynamic objects, but also $(common-objpfx)/mach and $(common-objpfx)/hurd. This adds an ld-library-path variable to be used as LD_LIBRARY_PATH basis in Makefiles, and a sysdep-ld-library-path variable for sysdeps to add some more paths, here mach/ and hurd/.
* Remove internal usage of extensible stat functionsAdhemerval Zanella2020-09-112-3/+3
| | | | | | | | | | | | It replaces the internal usage of __{f,l}xstat{at}{64} with the __{f,l}stat{at}{64}. It should not change the generate code since sys/stat.h explicit defines redirections to internal calls back to xstat* symbols. Checked with a build for all affected ABIs. I also check on x86_64-linux-gnu and i686-linux-gnu. Reviewed-by: Lukasz Majewski <lukma@denx.de>
* Move <rpc/netdb.h> from sunrpc to inetFlorian Weimer2020-07-172-1/+76
| | | | | | | | | | | Restore <rpc/netdb.h> as an installed header. Delete the dummy header resolv/rpc/netdb.h because inet is not an optional glibc component (so its <rpc/netdb.h> is always available). Fixes commit acb527929d0c2b3bb0798472c42ddb3203729708 ("Move non-deprecated RPC-related functions from sunrpc to inet") in combination with commit 5500cdba4018ddbda7909bc7f4f9718610b43cf0 ("Remove --enable-obsolete-rpc configure flag").
* Move non-deprecated RPC-related functions from sunrpc to inetFlorian Weimer2020-07-089-2/+375
| | | | | | This includes bindresvport and the NSS-related RPC functions. This will simplify the removal of the sunrpc functionality because these functions no longer have to be treated specially.
* Use unsigned constants for ICMP6 filters [BZ #22489]Sergey2020-05-111-4/+4
| | | | | | | | The core problem here is that the filter array elements are unsigned but the computed constants are signed. This both causes a signededness conversion at the &= step and may cause undefined behavior if the MSB is being modified. This patch uses unsigned constants to avoid both cases. - DJ
* y2038: inet: Convert inet deadline to support 64 bit timeLukasz Majewski2020-05-052-4/+5
| | | | | | | | | | | | | | | This change brings 64 bit time support to inet deadline related code for architectures with __WORDSIZE == 32 && __TIMESIZE != 64. It is also safe to replace struct timespec with struct __timespec64 in deadline related structures as: - The __deadline_to_ms () returns the number of miliseconds to deadline to be used with __poll (and hence it is a relative value). - To calculate the deadline from timeval (which will be converted latter) the uintmax_t type is used (unsinged long long int). Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
* Add IPPROTO_ETHERNET and IPPROTO_MPTCP from Linux 5.6 to netinet/in.h.Joseph Myers2020-04-031-0/+4
| | | | | | | This patch adds the IPPROTO_ETHERNET and IPPROTO_MPTCP constants from Linux 5.6 to glibc's netinet/in.h. Tested for x86_64.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2020-01-0186-86/+86
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* Change most internal uses of __gettimeofday to __clock_gettime.Zack Weinberg2019-10-301-7/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since gettimeofday will shortly be implemented in terms of clock_gettime on all platforms, internal code should use clock_gettime directly; in addition to removing a layer of indirection, this will allow us to remove the PLT-bypass gunk for gettimeofday. (We can't quite do that yet, but it'll be coming later in this patch series.) In many cases, the changed code does fewer conversions. The changed code always assumes __clock_gettime (CLOCK_REALTIME) cannot fail. Most of the call sites were assuming gettimeofday could not fail, but a few places were checking for errors. POSIX says clock_gettime can only fail if the clock constant is invalid or unsupported, and CLOCK_REALTIME is the one and only clock constant that's required to be supported. For consistency I grepped the entire source tree for any other places that checked for errors from __clock_gettime (CLOCK_REALTIME), found one, and changed it too. (For the record, POSIX also says gettimeofday can never fail.) (It would be nice if we could declare that GNU systems will always support CLOCK_MONOTONIC as well as CLOCK_REALTIME; there are several places where we are using CLOCK_REALTIME where _MONOTONIC would be more appropriate, and/or trying to use _MONOTONIC and then falling back to _REALTIME. But the Hurd doesn't support CLOCK_MONOTONIC yet, and it looks like adding it would involve substantial changes to gnumach's internals and API. Oh well.) A few Hurd-specific files were changed to use __host_get_time instead of __clock_gettime, as this seemed tidier. We also assume this cannot fail. Skimming the code in gnumach leads me to believe the only way it could fail is if __mach_host_self also failed, and our Hurd-specific code consistently assumes that can't happen, so I'm going with that. With the exception of support/support_test_main.c, test cases are not modified, mainly because I didn't want to have to figure out which test cases were testing gettimeofday specifically. The definition of GETTIME in sysdeps/generic/memusage.h had a typo and was not reading tv_sec at all. I fixed this. It appears nobody has been generating malloc traces on a machine that doesn't have a superseding definition. There are a whole bunch of places where the code could be simplified by factoring out timespec subtraction and/or comparison logic, but I want to keep this patch as mechanical as possible. Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, powerpc64-linux-gnu, powerpc-linux-gnu, and aarch64-linux-gnu. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Lukasz Majewski <lukma@denx.de>
* resolv/tst-idna_name_classify: Isolate from system librariesFlorian Weimer2019-10-301-0/+4
| | | | | Loading NSS modules from static binaries uses installed system libraries if LD_LIBRARY_PATH is not set.
* inet/net-internal.h: Fix uninitalised clntudp_call() variableAlistair Francis2019-09-241-0/+13
| | | | | | | | | | | | | | | | | The total_deadline variable inside the clntudp_call() function inside sunrpc/clnt_udp.c can cause uninitalised variable warnings when building with GCC 8.3 or 9.2 on a platform with a 64-bit tv_nsec on a 32-bit architecture. To fix the warning let's use the DIAG_* macros to hide the warning. A GCC bug case has also been submitted: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91691 2019-09-24 Alistair Francis <alistair.francis@wdc.com> * inet/net-internal.h: Fix uninitalised clntudp_call() variable. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* Prefer https to http for gnu.org and fsf.org URLsPaul Eggert2019-09-0786-86/+86
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
* Add INADDR_ALLSNOOPERS_GROUP from Linux 5.1 to netinet/in.h.Joseph Myers2019-06-031-0/+1
| | | | | | | | | This patch adds INADDR_ALLSNOOPERS_GROUP from Linux 5.1 to netinet/in.h. Tested for x86_64. * inet/netinet/in.h (INADDR_ALLSNOOPERS_GROUP): New macro.
* Add IGMP_MRDISC_ADV from Linux 5.1 to netinet/igmp.h.Joseph Myers2019-05-281-0/+1
| | | | | | | | | This patch adds the IGMP_MRDISC_ADV macro from Linux 5.1 to netinet/igmp.h. Tested for x86_64. * inet/netinet/igmp.h (IGMP_MRDISC_ADV): New macro.
* Break more lines before not after operators.Joseph Myers2019-02-251-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes further coding style fixes where code was breaking lines after an operator, contrary to the GNU Coding Standards. As with the previous patch, it is limited to files following a reasonable approximation to GNU style already, and is not exhaustive; more such issues remain to be fixed. Tested for x86_64, and with build-many-glibcs.py. * dirent/dirent.h [!_DIRENT_HAVE_D_NAMLEN && _DIRENT_HAVE_D_RECLEN] (_D_ALLOC_NAMLEN): Break lines before rather than after operators. * elf/cache.c (print_cache): Likewise. * gshadow/fgetsgent_r.c (__fgetsgent_r): Likewise. * htl/pt-getattr.c (__pthread_getattr_np): Likewise. * hurd/hurdinit.c (_hurd_setproc): Likewise. * hurd/hurdkill.c (_hurd_sig_post): Likewise. * hurd/hurdlookup.c (__file_name_lookup_under): Likewise. * hurd/hurdsig.c (_hurd_internal_post_signal): Likewise. (reauth_proc): Likewise. * hurd/lookup-at.c (__file_name_lookup_at): Likewise. (__file_name_split_at): Likewise. (__directory_name_split_at): Likewise. * hurd/lookup-retry.c (__hurd_file_name_lookup_retry): Likewise. * hurd/port2fd.c (_hurd_port2fd): Likewise. * iconv/gconv_dl.c (do_print): Likewise. * inet/netinet/in.h (struct sockaddr_in): Likewise. * libio/wstrops.c (_IO_wstr_seekoff): Likewise. * locale/setlocale.c (new_composite_name): Likewise. * malloc/memusagestat.c (main): Likewise. * misc/fstab.c (fstab_convert): Likewise. * nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_usercnt): Likewise. * nss/nss_compat/compat-grp.c (getgrent_next_nss): Likewise. (getgrent_next_file): Likewise. (internal_getgrnam_r): Likewise. (internal_getgrgid_r): Likewise. * nss/nss_compat/compat-initgroups.c (getgrent_next_nss): Likewise. (internal_getgrent_r): Likewise. * nss/nss_compat/compat-pwd.c (getpwent_next_nss_netgr): Likewise. (getpwent_next_nss): Likewise. (getpwent_next_file): Likewise. (internal_getpwnam_r): Likewise. (internal_getpwuid_r): Likewise. * nss/nss_compat/compat-spwd.c (getspent_next_nss_netgr): Likewise. (getspent_next_nss): Likewise. (internal_getspnam_r): Likewise. * pwd/fgetpwent_r.c (__fgetpwent_r): Likewise. * shadow/fgetspent_r.c (__fgetspent_r): Likewise. * string/strchr.c (STRCHR): Likewise. * string/strchrnul.c (STRCHRNUL): Likewise. * sysdeps/aarch64/fpu/fpu_control.h (_FPU_FPCR_IEEE): Likewise. * sysdeps/aarch64/sfp-machine.h (_FP_CHOOSENAN): Likewise. * sysdeps/csky/dl-machine.h (elf_machine_rela): Likewise. * sysdeps/generic/memcopy.h (PAGE_COPY_FWD_MAYBE): Likewise. * sysdeps/generic/symbol-hacks.h (__stack_chk_fail_local): Likewise. * sysdeps/gnu/netinet/ip_icmp.h (ICMP_INFOTYPE): Likewise. * sysdeps/gnu/updwtmp.c (TRANSFORM_UTMP_FILE_NAME): Likewise. * sysdeps/gnu/utmp_file.c (TRANSFORM_UTMP_FILE_NAME): Likewise. * sysdeps/hppa/jmpbuf-unwind.h (_JMPBUF_UNWINDS): Likewise. * sysdeps/mach/hurd/bits/stat.h (S_ISPARE): Likewise. * sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start): Likewise. (open_file): Likewise. * sysdeps/mach/hurd/htl/pt-mutexattr-setprotocol.c (pthread_mutexattr_setprotocol): Likewise. * sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise. * sysdeps/mach/hurd/mmap.c (__mmap): Likewise. * sysdeps/mach/hurd/ptrace.c (ptrace): Likewise. * sysdeps/mach/hurd/spawni.c (__spawni): Likewise. * sysdeps/microblaze/dl-machine.h (elf_machine_type_class): Likewise. (elf_machine_rela): Likewise. * sysdeps/mips/mips32/sfp-machine.h (_FP_CHOOSENAN): Likewise. * sysdeps/mips/mips64/sfp-machine.h (_FP_CHOOSENAN): Likewise. * sysdeps/mips/sys/asm.h (multiple #if conditionals): Likewise. * sysdeps/posix/rename.c (rename): Likewise. * sysdeps/powerpc/novmx-sigjmp.c (__novmx__sigjmp_save): Likewise. * sysdeps/powerpc/sigjmp.c (__vmx__sigjmp_save): Likewise. * sysdeps/s390/fpu/fenv_libc.h (FPC_VALID_MASK): Likewise. * sysdeps/s390/utf8-utf16-z9.c (gconv_end): Likewise. * sysdeps/unix/grantpt.c (grantpt): Likewise. * sysdeps/unix/sysv/linux/a.out.h (N_TXTOFF): Likewise. * sysdeps/unix/sysv/linux/updwtmp.c (TRANSFORM_UTMP_FILE_NAME): Likewise. * sysdeps/unix/sysv/linux/utmp_file.c (TRANSFORM_UTMP_FILE_NAME): Likewise. * sysdeps/x86/cpu-features.c (get_common_indices): Likewise. * time/tzfile.c (__tzfile_compute): Likewise.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2019-01-0186-86/+86
| | | | | | | * All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
* inet/tst-if_index-long: New test case for CVE-2018-19591 [BZ #23927]Florian Weimer2018-12-062-1/+62
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* manual: Revise crypt.texi.Zack Weinberg2018-06-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a major rewrite of the description of 'crypt', 'getentropy', and 'getrandom'. A few highlights of the content changes: - Throughout the manual, public headers, and user-visible messages, I replaced the term "password" with "passphrase", the term "password database" with "user database", and the term "encrypt(ion)" with "(one-way) hashing" whenever it was applied to passphrases. I didn't bother making this change in internal code or tests. The use of the term "password" in ruserpass.c survives, because that refers to a keyword in netrc files, but it is adjusted to make this clearer. There is a note in crypt.texi explaining that they were traditionally called passwords but single words are not good enough anymore, and a note in users.texi explaining that actual passphrase hashes are found in a "shadow" database nowadays. - There is a new short introduction to the "Cryptographic Functions" section, explaining how we do not intend to be a general-purpose cryptography library, and cautioning that there _are_, or have been, legal restrictions on the use of cryptography in many countries, without getting into any kind of detail that we can't promise to keep up to date. - I added more detail about what a "one-way function" is, and why they are used to obscure passphrases for storage. I removed the paragraph saying that systems not connected to a network need no user authentication, because that's a pretty rare situation nowadays. (It still says "sometimes it is necessary" to authenticate the user, though.) - I added documentation for all of the hash functions that glibc actually supports, but not for the additional hash functions supported by libxcrypt. If we're going to keep this manual section around after the transition is more advanced, it would probably make sense to add them then. - There is much more detailed discussion of how to generate a salt, and the failure behavior for crypt is documented. (Returning an invalid hash on failure is what libxcrypt does; Solar Designer's notes say that this was done "for compatibility with old programs that assume crypt can never fail".) - As far as I can tell, the header 'crypt.h' is entirely a GNU invention, and never existed on any other Unix lineage. The function 'crypt', however, was in Issue 1 of the SVID and is now in the XSI component of POSIX. I tried to make all of the @standards annotations consistent with this, but I'm not sure I got them perfectly right. - The genpass.c example has been improved to use getentropy instead of the current time to generate the salt, and to use a SHA-256 hash instead of MD5. It uses more random bytes than is strictly necessary because I didn't want to complicate the code with proper base64 encoding. - The testpass.c example has three hardwired hashes now, to demonstrate that different one-way functions produce different hashes for the same input. It also demonstrates how DES hashing only pays attention to the first eight characters of the input. - There is new text explaining in more detail how a CSPRNG differs from a regular random number generator, and how getentropy/getrandom are not exactly a CSPRNG. I tried not to make specific falsifiable claims here. I also tried to make the blocking/cancellation/error behavior of both getentropy and getrandom clearer.
* Switch IDNA implementation to libidn2 [BZ #19728] [BZ #19729] [BZ #22247]Florian Weimer2018-05-237-37/+390
| | | | | This provides an implementation of the IDNA2008 standard and fixes CVE-2016-6261, CVE-2016-6263, CVE-2017-14062.
* inet: Actually build and run tst-deadlineFlorian Weimer2018-04-041-2/+2
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