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* Fix a typo, decrement rem, don't increment for single digit hex bytes.millert2016-12-071-2/+2
| | | | From Henri Kemppainen
* CVE-2016-6559: fix potential buffer overflow(s) in link_ntoa(3).millert2016-12-061-19/+35
| | | | | | | A specially crafted struct sockaddr_dl argument can trigger a stack overflow of a static buffer in libc. An attacker may be able to use this to write to arbitrary locations in the data segment. From FreeBSD (glebius); OK deraadt@ mestre@
* Delete casts to off_t and size_t that are implied by assignmentsguenther2016-09-214-11/+10
| | | | | | | or prototypes. Ditto for some of the char* and void* casts too. verified no change to instructions on ILP32 (i386) and LP64 (amd64) ok natano@ abluhm@ deraadt@ millert@
* Obvious minor fixes:schwarze2016-08-052-36/+57
| | | | | | | | * Add missing .Dv, .Ev, and .Fa macros. * Delete deprecated .Tn macros. * Mark up global variable names with .Va, not with .Fa or .Li. * Mark up config file commands with .Ic, not with .Fa. * Fix HISTORY, trivial to verify from the CSRG archive CD.
* Make RES_OPTIONS point directly to resolv.conf(5) instead of going throughmartijn2016-08-051-3/+3
| | | | | | resolver(3). OK jmc@
* Prefer AF_* over PF_* and 'address family' over 'protocol family'guenther2016-05-291-9/+9
| | | | ok jung@
* rcmd(3) and rcmdsh(3) use getaddrinfo(3) not gethostbyname(3).millert2016-05-282-9/+9
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* Use getaddrinfo() instead of the non-standard gethostbyname2().millert2016-05-281-5/+14
| | | | OK deraadt@ jca@ jung@ florian@
* Remove iruserok(_sa)? and __ivaliduser(sa)?guenther2016-05-232-90/+20
| | | | ok millert@ deraadt@
* Eliminate __check_rhosts_file and __rcmd_errstr: they were only used byguenther2016-05-231-5/+1
| | | | | | rlogind and rshd (remember them?) ok deraadt@
* Remove old NeXT-specific cruft. From mmcc@millert2016-05-011-13/+1
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* Prefer _MUTEX_*LOCK over _THREAD_PRIVATE_MUTEX_*LOCK() when thread-specificguenther2016-04-051-4/+4
| | | | | | data isn't necessary. ok mpi@, ok&tweak natano@
* for some time now mandoc has not required MLINKS to functionjmc2016-03-301-54/+1
| | | | | | | | | | | | correctly - logically complete that now by removing MLINKS from base; authors need only to ensure there is an entry in NAME for any function/ util being added. MLINKS will still work, and remain for perl to ease upgrades; ok nicm (curses) bcook (ssl) ok schwarze, who provided a lot of feedback and assistance ok tb natano jung
* un-vax;jmc2016-03-101-3/+3
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* Remove NULL-checks before free() and a few related dead assignments.mmcc2015-12-281-3/+2
| | | | ok and valuable input from millert@
* gethostbyname2() and gethostbyaddr() need <sys/socket.h>; discussed withtim2015-12-191-6/+8
| | | | millert@
* tweak previous;jmc2015-12-162-4/+5
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* Remove support for HOSTALIASES from the resolver. This "open and parsederaadt2015-12-162-15/+6
| | | | | | | | any file indicated by an environment variable" feature inside the resolver is incompatible with what pledge "dns" is trying to be. It is a misguided "feature" added way back in history which almost noone uses, but everyone has to assume the risk from. ok eric florian kettenis
* s/begining/beginning/gmmcc2015-12-141-2/+2
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* syslog() here is pointless; ok millertderaadt2015-11-251-2/+0
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* Use reentrant versions of getpw{nam,uid} and getgr{nam,gid} withinmillert2015-11-242-7/+10
| | | | | | | libc to avoid reusing the static buffers returned by the non-reentrant versions. Since this is inside libc we can use constants for the buffer sizes instead of having to call sysconf(). OK guenther@ deraadt@
* point to netintro(4) rather than (now removed) networking(4);jmc2015-11-212-6/+6
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* update NAME section to include all documented functions,jmc2015-11-104-12/+12
| | | | | | or otherwise change Dt to reflect the name of an existing function; feedback/ok schwarze
* inet(4), not inet(3);jmc2015-11-081-3/+3
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* delete old lint ARGSUSED commentsguenther2015-11-011-2/+1
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* Switch if_nameindex(3) to use the new NET_RT_IFNAMES sysctl to get theclaudio2015-10-233-88/+73
| | | | | | | | list of interface names. At the same time switch if_nametoindex(3) and if_indextoname(3) to use if_nameindex(3) instead of getifaddrs(3). if_nameindex(3) exposes much less then getifaddrs(3) and is allowed by pledge(2). With and OK deraadt@
* Use waitpid() instead of wait() to avoid returning early from another childguenther2015-10-231-2/+3
| | | | | | exiting, and loop the waitpid() on EINTR ok deraadt@ millert@
* Cast ctype function arguments to unsigned char.mmcc2015-10-221-2/+2
| | | | ok guenther@
* Wrap <resolv.h> so that internal calls go directguenther2015-10-053-5/+11
| | | | ok millert@
* wrap __ivaliduser_sa() so the internal call is direct (at least until weguenther2015-10-041-0/+2
| | | | stop exporting it)
* recv() and send() aren't overriden by libpthread (vs recvfrom() and sendto()!)guenther2015-10-042-2/+4
| | | | so wrap them to make internal calls go direct
* Wrap <ifaddrs.h>, <netinet/in.h>, and <netinet/if_ether.h> so internalguenther2015-09-143-3/+7
| | | | calls go direct and all the symbols are weak
* Wrap <net/if.h> and <net/if_dl.h> so internal calls go direct and all theguenther2015-09-142-2/+4
| | | | symbols are weak
* Finish wrapping <netdb.h> so that calls go direct and the symbols are all weakguenther2015-09-149-9/+24
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* Wrap <arpa/inet.h> and <arpa/nameser.h> so that calls go direct and theguenther2015-09-135-5/+11
| | | | symbols without underbar prefix are all weak
* Wrap <unistd.h> so that internal calls go direct and they're all weak symbolsguenther2015-09-124-2/+6
| | | | Delete unused 'fd' argument from internal function oldttyname()
* _getnetbyaddr and _getnetbyname appear to be historical accidents inderaadt2015-09-113-103/+2
| | | | our tree. ok guenther miod
* tweak Nd after previous; ok mpijmc2015-09-101-2/+2
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* Remove link_addr(3). A function to encode the name of an interface inmpi2015-09-103-136/+8
| | | | | | | | | | | | a sockaddr_dl is a questionnable interface. But now it makes it harder to properly reference ifp becauses of this. Set sdl_index to the index of the corresponding interface when constructing a routing message. Ridding previous libc crank. ok guenther@, deraadt@, dlg@
* Use nanosleep instead of sleep to avoid the extra layer and simplify laterguenther2015-08-301-5/+8
| | | | | | symbol hiding ok w/tweak deraadt@
* force reseeding if pid has changed.eric2015-06-041-2/+7
| | | | ok deraadt@
* rev 1.3 introduced a check to an if statement without adding braces.jsg2015-05-141-3/+1
| | | | | | | Claudio points out the size is checked by an earlier test so just remove it to restore the original handling of the partial octet case. Discussed with claudio and gilles.
* Make rcmdsh(3) not fail if it is passed a non resolvable hostname.halex2015-03-233-20/+16
| | | | | | | Instead, silently ignore the fact and instead let the underlying ssh (or $RSH) command handle it. ok millert@
* differentiate between a failed read, returning -1, and encounteringhalex2015-03-221-2/+4
| | | | | | | end-of-file, returning 0, in order not to print an unrelated strerror(errno) in the latter case ok millert@
* unmute rcmd hostname lookup failurehalex2015-03-221-3/+2
| | | | ok millert@ jung@
* zap #if 0'd code that's been dead since '96halex2015-03-191-7/+0
| | | | ok todd@
* Amend documentation for AI_ADDRCONFIGjca2015-02-161-2/+4
| | | | ok jmc@
* Use .Rv where appropriate, and move it to RETURN VALUES;schwarze2015-01-291-9/+6
| | | | | remove .Tn, and a few minor macro adjustments. Patch from Kaspars at Bankovskis dot net.
* Use ">", not ">=" when comparing length to HOST_NAME_MAX sincemillert2015-01-161-3/+3
| | | | | otherwise we end up needlessly replacing a NUL with a NUL. OK deraadt@
* Replace HOST_NAME_MAX+1-1 with HOST_NAME_MAX. OK deraad@millert2015-01-162-8/+8
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