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Add finger demo to redbean and fix regression

Browse source 
This change fixes a regression in unix.connect() caused by the recent
addition of UNIX domain sockets. The BSD finger command has been added
to third_party for fun and profit. A new demo has been added to redbean
showing how a protocol as simple as finger can be implemented.
This commit is contained in:
Justine Tunney 2022-06-23 03:39:44 -07:00
parent 2415afab0e
commit 17cbe73411
34 changed files with 2454 additions and 29 deletions
Download patch file Download diff file Expand all files Collapse all files

2
libc/dns/getaddrinfo.c
View file

@ -39,7 +39,7 @@
* @param service is the port number as a string
* @param hints may be passed to specialize behavior (optional)
* @param res receives a pointer that must be freed with freeaddrinfo(),
* and won't be modified if -1 is returned
* and won't be modified if non-zero is returned
* @return 0 on success or EAI_xxx value
* @threadsafe
*/

10
libc/str/bcopy.c → libc/intrin/bcopy.c
View file

@ -1,7 +1,7 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
@ -19,8 +19,10 @@
#include "libc/str/str.h"
/**
* Copies memory the legacy way.
* Moves memory the BSD way.
*
* Please use memmove() instead. Note the order of arguments.
*/
void *bcopy(void *dst, const void *src, size_t n) {
return memmove(dst, src, n);
void bcopy(const void *src, void *dest, size_t n) {
memmove(dest, src, n);
}

4
libc/isystem/utmp.h Normal file
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@ -0,0 +1,4 @@
#ifndef COSMOPOLITAN_LIBC_ISYSTEM_UTMP_H_
#define COSMOPOLITAN_LIBC_ISYSTEM_UTMP_H_
#include "libc/runtime/utmp.h"
#endif /* COSMOPOLITAN_LIBC_ISYSTEM_UTMP_H_ */

4
libc/isystem/utmpx.h Normal file
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@ -0,0 +1,4 @@
#ifndef COSMOPOLITAN_LIBC_ISYSTEM_UTMPX_H_
#define COSMOPOLITAN_LIBC_ISYSTEM_UTMPX_H_
#include "libc/runtime/utmpx.h"
#endif /* COSMOPOLITAN_LIBC_ISYSTEM_UTMPX_H_ */

28
libc/runtime/__utmpxname.S Normal file
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@ -0,0 +1,28 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.internal.h"
__utmpxname:
.errno
mov ENOTSUP(%rip),%edx
mov %edx,(%rax)
ret
.endfn __utmpxname,globl
.alias __utmpxname,utmpname
.alias __utmpxname,utmpxname

47
libc/runtime/utmp.h Normal file
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@ -0,0 +1,47 @@
#ifndef COSMOPOLITAN_LIBC_RUNTIME_UTMP_H_
#define COSMOPOLITAN_LIBC_RUNTIME_UTMP_H_
#include "libc/calls/weirdtypes.h"
#include "libc/runtime/utmpx.h"
#define ACCOUNTING 9
#define UT_NAMESIZE 32
#define UT_HOSTSIZE 256
#define UT_LINESIZE 32
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct lastlog {
time_t ll_time;
char ll_line[UT_LINESIZE];
char ll_host[UT_HOSTSIZE];
};
#define ut_time ut_tv.tv_sec
#define ut_name ut_user
#define ut_addr ut_addr_v6[0]
#define utmp utmpx
#define e_exit __e_exit
#define e_termination __e_termination
int login_tty(int);
int utmpname(const char *);
struct utmp *getutent(void);
struct utmp *getutid(const struct utmp *);
struct utmp *getutline(const struct utmp *);
struct utmp *pututline(const struct utmp *);
void endutent(void);
void setutent(void);
void updwtmp(const char *, const struct utmp *);
#define _PATH_UTMP "/dev/null/utmp"
#define _PATH_WTMP "/dev/null/wtmp"
#define UTMP_FILE _PATH_UTMP
#define WTMP_FILE _PATH_WTMP
#define UTMP_FILENAME _PATH_UTMP
#define WTMP_FILENAME _PATH_WTMP
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_RUNTIME_UTMP_H_ */

51
libc/runtime/utmpx.h Normal file
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@ -0,0 +1,51 @@
#ifndef COSMOPOLITAN_LIBC_RUNTIME_UTMPX_H_
#define COSMOPOLITAN_LIBC_RUNTIME_UTMPX_H_
#include "libc/calls/struct/timeval.h"
#include "libc/calls/weirdtypes.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
struct utmpx {
short ut_type;
pid_t ut_pid;
char ut_line[32];
char ut_id[4];
char ut_user[32];
char ut_host[256];
struct {
short __e_termination;
short __e_exit;
} ut_exit;
long ut_session;
struct timeval ut_tv;
unsigned ut_addr_v6[4];
char __unused[20];
};
void endutxent(void);
struct utmpx *getutxent(void);
struct utmpx *getutxid(const struct utmpx *);
struct utmpx *getutxline(const struct utmpx *);
struct utmpx *pututxline(const struct utmpx *);
void setutxent(void);
#if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
#define e_exit __e_exit
#define e_termination __e_termination
void updwtmpx(const char *, const struct utmpx *);
int utmpxname(const char *);
#endif
#define EMPTY 0
#define RUN_LVL 1
#define BOOT_TIME 2
#define NEW_TIME 3
#define OLD_TIME 4
#define INIT_PROCESS 5
#define LOGIN_PROCESS 6
#define USER_PROCESS 7
#define DEAD_PROCESS 8
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_RUNTIME_UTMPX_H_ */

2
libc/sock/connect.c
View file

@ -19,7 +19,9 @@
#include "libc/calls/strace.internal.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/sock/internal.h"
#include "libc/sock/sock.h"
#include "libc/sock/sockdebug.h"
#include "libc/sock/syscall_fd.internal.h"
#include "libc/sysv/errfuns.h"

1
libc/str/str.h
View file

@ -89,6 +89,7 @@ void *memcpy(void *restrict, const void *restrict, size_t) memcpyesque;
void *mempcpy(void *restrict, const void *restrict, size_t) memcpyesque;
void *memccpy(void *restrict, const void *restrict, int, size_t) memcpyesque;
void *memeqmask(void *, const void *, const void *, size_t) memcpyesque;
void bcopy(const void *, void *, size_t) memcpyesque;
void explicit_bzero(void *, size_t);
int bcmp(const void *, const void *, size_t) strlenesque;

26
libc/stubs/endutxent.S Normal file
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@ -0,0 +1,26 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.internal.h"
// Closes user accounting database.
// @note unsupported
endutxent:
ret
.endfn endutxent,globl
.alias endutxent,endutent

27
libc/stubs/getutxent.S Normal file
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@ -0,0 +1,27 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.internal.h"
// Reads next entry in user accounting database.
// @note unsupported
getutxent:
xor %eax,%eax
ret
.endfn getutxent,globl
.alias getutxent,getutent

27
libc/stubs/getutxid.S Normal file
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@ -0,0 +1,27 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.internal.h"
// Searches forward in the user accounting database.
// @note unsupported
getutxid:
xor %eax,%eax
ret
.endfn getutxid,globl
.alias getutxid,getutid

27
libc/stubs/getutxline.S Normal file
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@ -0,0 +1,27 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.internal.h"
// Searches forward in the user accounting database.
// @note unsupported
getutxline:
xor %eax,%eax
ret
.endfn getutxline,globl
.alias getutxline,getutline

27
libc/stubs/pututxline.S Normal file
View file

@ -0,0 +1,27 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.internal.h"
// Puts in the user accounting database.
// @note unsupported
pututxline:
xor %eax,%eax
ret
.endfn pututxline,globl
.alias pututxline,pututline

26
libc/stubs/setutxent.S Normal file
View file

@ -0,0 +1,26 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.internal.h"
// Rewinds the user accounting database.
// @note unsupported
setutxent:
ret
.endfn setutxent,globl
.alias setutxent,setutent

26
libc/stubs/updwtmpx.S Normal file
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@ -0,0 +1,26 @@
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/macros.internal.h"
// Does something to the user accounting database.
// @note unsupported
updwtmpx:
ret
.endfn updwtmpx,globl
.alias updwtmpx,updwtmp