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99 Commits

Author SHA1 Message Date
Todd C. Miller
d37710b0f6 Use mkdtempat_np() and mkostempsat_np() on macOS 2022-09-22 11:34:00 -06:00
Todd C. Miller
376d18b5da Add fchownat() systems without it. 2022-09-21 19:08:12 -06:00
Todd C. Miller
86c108b50b Add mkdtempat() and mkostempsat() for systems without them. 2022-09-21 19:08:11 -06:00
Todd C. Miller
304726a215 Move gcc-style __attribute__ macros to config.h.in 
Renamed __malloc -> sudo_malloclike, __printflike -> sudo_printflike,
__printf0like -> sudo_printf0like.
Add sudo_noreturn instead of __attribute__((__noreturn__)).
We do not use stdnoreturn.h since it has been deprecated in C23
in favor of the [[noreturn]] attribute.
 2022-09-07 07:48:31 -06:00
Todd C. Miller
882990b1b3 Use gcc's malloc attribute for malloc-like allocation functions. 2022-07-26 15:14:03 -06:00
Todd C. Miller
169e049821 Fix typo, we should define SSIZE_MAX if it is not defined. 2022-06-10 09:34:33 -06:00
Todd C. Miller
46edc4e198 Stop using the WCONTINUED flag with waitpid(2). 
We don't use it for anything other than a debug message and it will
cause problems when intercept mode starts using ptrace(2).
 2022-04-29 08:02:57 -06:00
Todd C. Miller
2e957cd43d Fix compilation on Debian kFreeBSD. 
The configure script correctly detects that utimensat() and futimens()
are missing but the headers define stub versions of the functions.
Including sys/stat.h pulls in the system definitions  so we can override
them safely.  Bug #1021.
 2022-02-03 09:33:30 -07:00
Todd C. Miller
c13b21c199 Avoid TOCTOU in sudo_mkdir_parents() using openat(2) and mkdirat(2). 
This also allows us to make path const as it should be.
 2021-12-11 08:35:18 -07:00
Todd C. Miller
c2d03f7cca sudo_compat.h: include unistd.h regardless of OS type 
This helps to avoid issues with mismatched headers and libraries.
 2021-11-10 13:30:27 -07:00
Todd C. Miller
4eebd53bce parse_gentime: use timegm() to generate time since the epoch 
The timegm() function is non-standard but widely available.
Provide an implementation for those systems that lack it.
Bug #1006
 2021-10-31 09:27:34 -06:00
Todd C. Miller
b506497fe4 Fix pasto in gmtime_r and localtime_r macros. 
Also add missing Makefile targets for them.
 2021-10-31 09:01:18 -06:00
Todd C. Miller
cc6157d7d4 Add support for WolfSSL's OpenSSL compatibility layer. 
Based on changes from Hayden Roche
 2021-10-25 13:17:57 -06:00
Todd C. Miller
fa71679b5a Add gmtime_r and localtime_r tests and compat if missing. 2021-09-17 10:55:06 -06:00
Todd C. Miller
e199dd8254 sudo_compat.h: include unistd.h on HP-UX to safely redefine pread/pwrite 
HP-UX 11.31 defines static functions for pread() and pwrite() which
will conflict with our macros.
 2021-08-25 16:31:46 -06:00
Todd C. Miller
ad28b90c4d We still need the pread/pwrite hack for HP-UX 11.11 at least. 
This time around, avoid defining _LARGEFILE64_SOURCE and just declare
pread64/pwrite64 ourselves.
 2021-08-19 19:18:24 -06:00
Todd C. Miller
23e5304b78 Fix prototypes for sudo_pread() and sudo_pwrite(). 2021-08-19 19:05:50 -06:00
Todd C. Miller
62aca803ce Older Solaris has getusershell() et al but does not declare it. 2021-08-13 09:52:02 -06:00
Todd C. Miller
a556b373c9 Allocate a socketpair to communicate with sudo_intercept.so over. 
This is used for the intercept and log_children options.
 2021-08-09 15:50:25 -06:00
Todd C. Miller
36fbb13c4c Use TLS_method() instead of TLS_client_method() throughout. 
OpenSSL returns an error for SSL_accept() if TLS_client_method()
was used to generate the context (LibreSSL doesn't care).

Prior to sudo 1.9.7, TLS_client_method() and TLS_server_method()
were used in the TLS client and server initialization code respectively.
This was refactored in sudo 1.9.7 to allow the code to be shared.
Bug #988
 2021-07-26 13:40:25 -06:00
Todd C. Miller
4a90deb2a0 Add configure check for va_copy instead of using #ifdef 
This prevents the va_copy compat #define from being used if
sudo_compat.h is somehow included before stdarg.h.
 2021-07-25 15:51:23 -06:00
Todd C. Miller
cc3b4ffb04 Remove vsyslog(3) emulation, it is no longer used. 2021-06-14 13:11:39 -06:00
Todd C. Miller
d9d450292d Remove compatibility defines for POSIX sys/stat.h macros. 
Modern systems have them and we no longer support pre-POSIX systems.
This fixes potential redefinition of the macros if sys/stat.h is
included after sudo_compat.h.  Bug #968.
 2021-03-10 12:26:11 -07:00
Todd C. Miller
e392646ed4 Add configure check for SSIZE_MAX 2021-02-08 18:38:17 -07:00
Todd C. Miller
9e068c15e0 Add setprogname(3) for those without it. 2021-01-06 13:01:09 -07:00
Todd C. Miller
06bfbecd64 Add emulation of pread(3) and pwrite(3) for systems without them. 
This makes it possible to remove some ugly #ifdefs and only affects
very old systems.
 2021-01-02 10:43:34 -07:00
Todd C. Miller
985af422d2 Rename __dso_public -> sudo_dso_public and move to config.h. 2020-08-12 09:57:42 -06:00
Todd C. Miller
ce97ca28db Use OpenBSD-compatible freezero() in place of explicit_bzero() + free() 2020-08-10 19:24:33 -06:00
Todd C. Miller
cef6e3687e Switch from memset_s() -> explicit_bzero(). 
memset_s() (and all of Annex K) is likely to be removed from the
a future version of the standard.
 2020-08-10 19:24:32 -06:00
Todd C. Miller
03ad96e445 Use the fallthrough attribute instead of /* FALLTHROUGH */ comments. 2020-08-01 13:10:50 -06:00
Todd C. Miller
48c2bd0007 Declare getdelim(3) if it exists in libc but is not prototyped in stdio.h. 
This can happen on systems with a gcc packages that was built on
and older versions of the OS where getdelim(3) was not present.
 2020-06-06 18:45:27 -06:00
Todd C. Miller
d85d370c63 Add dependent system includes to make sudo_*.h more standalone. 
In the past we've relied on the various .c files to include the
system headers that define types that the sudo_*.h headers require.
This is fragile and can cause issues when includes get re-ordered.
 2020-05-18 04:47:21 -06:00
Todd C. Miller
ea1226be7c Only define WCONTINUED and WIFCONTINUED if neither are already defined. 
Fixes a warning on musl libc where WIFCONTINUED is defined in
stdlib.h for some reason.
 2020-05-15 18:50:04 -06:00
Todd C. Miller
92e42ff548 Add compatibility define for fseeko(3). 
This is better than cluttering up the code with #ifdefs for obsolete
systems.
 2020-02-15 10:22:15 -07:00
Todd C. Miller
dde86e585f Add support for building on OpenSSL 1.0.2. 
This adds compatibility defines for some OpenSSL 1.1.x functions.
 2020-01-21 13:27:40 -07:00
Todd C. Miller
c3bd025052 Store the server host name and IP in client_closure_fill(). 
Also check for getpeername() and inet_ntop() failure.
 2020-01-20 14:03:41 -07:00
Todd C. Miller
291221c698 Older systems may not support WCONTINUED. 2019-12-25 11:17:35 -07:00
Todd C. Miller
4690d3ecf6 Add cfmakeraw() for systems without it. 2019-12-23 13:15:34 -07:00
Todd C. Miller
b14d633ec6 Add runas_check_shell flag to require a runas user to have a valid shell. 
Not enabled by default.
 2019-12-09 19:29:45 -07:00
Todd C. Miller
43df086186 Add dup3() emulation. 2019-11-02 10:52:55 -06:00
Todd C. Miller
dbf78d0716 Add fchmodat() and fstatat() emulation. 
Note that fchmodat() emulation does not support AT_SYMLINK_NOFOLLOW
 2019-10-24 20:04:33 -06:00
Todd C. Miller
0d69de5b25 Move openat() emulation to lib/util and at unlinkat() emulation. 2019-10-24 20:04:30 -06:00
Todd C. Miller
2512f6efbf Use sudo_strtonum() explicitly instead of via a macro. 2019-10-14 10:09:30 -06:00
Todd C. Miller
04a17095be Always use our own strtonum and implement sudo_strtoid in terms of it. 2019-10-14 10:09:29 -06:00
Todd C. Miller
3e56be3564 Store signal name, not number in I/O log timing file. 
The "SIG" prefix is not used so, e.g. SIGTERM -> "TERM".
This makes the I/O log files portable from one system to another.
Older I/O log files with signal numbers can still be replayed.
 2019-08-05 16:30:58 -06:00
Todd C. Miller
1e1ef61902 Add SPDX-License-Identifier to files. 2019-04-29 07:21:51 -06:00
Todd C. Miller
de65d70929 Add a proper getdelim(3) replacement and use it instead of getline(3). 2019-04-08 10:37:30 -06:00
Todd C. Miller
da98428e91 AIX 7.1 defines O_CLOEXEC but it can't be used outside the kernel. 
Redefine O_CLOEXEC if it doesn't fit in an int and pipe2() is missing.
 2019-02-18 15:45:31 -07:00
Todd C. Miller
10198ef6f3 Only include stdarg.h if we need it. 2018-08-22 12:36:28 -06:00
Todd C. Miller
5a0c86bb63 We still need to include string.h for AIX (and possibly others) 
when we are not using the system memset_r() function and rsize_t
is defined by the system headers.
 2018-08-22 08:22:56 -06:00