1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
2 *@ File I/O, including resource file loading etc.
4 * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
5 * Copyright (c) 2012 - 2015 Steffen (Daode) Nurpmeso <sdaoden@users.sf.net>.
8 * Copyright (c) 1980, 1993
9 * The Regents of the University of California. All rights reserved.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 #ifndef HAVE_AMALGAMATION
45 # include <sys/socket.h>
49 # include <netinet/in.h>
51 # ifdef HAVE_ARPA_INET_H
52 # include <arpa/inet.h>
61 # include <openssl/err.h>
62 # include <openssl/rand.h>
63 # include <openssl/ssl.h>
64 # include <openssl/x509v3.h>
65 # include <openssl/x509.h>
73 FILE *s_file
; /* File we were in. */
74 void *s_cond
; /* Saved state of conditional stack */
75 int s_loading
; /* Loading .mailrc, etc. */
78 /* Slots in ::message */
79 static size_t _message_space
;
81 /* XXX Our Popen() main() takes void, temporary global data store */
83 static enum file_lock_type _dotlock_flt
;
84 static int _dotlock_fd
;
85 struct dotlock_info
* _dotlock_dip
;
89 static struct fio_stack _fio_stack
[FIO_STACK_SIZE
];
90 static size_t _fio_stack_size
;
91 static FILE * _fio_input
;
93 /* Locate the user's mailbox file (where new, unread mail is queued) */
94 static void _findmail(char *buf
, size_t bufsize
, char const *user
,
97 /* Perform shell meta character expansion TODO obsolete (INSECURE!) */
98 static char * _globname(char const *name
, enum fexp_mode fexpm
);
100 /* line is a buffer with the result of fgets(). Returns the first newline or
101 * the last character read */
102 static size_t _length_of_line(char const *line
, size_t linesize
);
104 /* Read a line, one character at a time */
105 static char * _fgetline_byone(char **line
, size_t *linesize
, size_t *llen
,
106 FILE *fp
, int appendnl
, size_t n SMALLOC_DEBUG_ARGS
);
108 /* Take the data out of the passed ghost file and toss it into a dynamically
109 * allocated message structure */
110 static void makemessage(void);
112 static enum okay
get_header(struct message
*mp
);
115 static bool_t
_file_lock(int fd
, enum file_lock_type ft
,
116 off_t off
, off_t len
);
118 /* main() of fork(2)ed dot file locker */
120 static int _dotlock_main(void);
123 /* Write to socket fd, restarting on EINTR, unless anything is written */
125 static long xwrite(int fd
, char const *data
, size_t sz
);
128 /* `source' and `source_if' */
129 static bool_t
_source_file(char const *file
, bool_t silent_error
);
132 _findmail(char *buf
, size_t bufsize
, char const *user
, bool_t force
)
137 if (!strcmp(user
, myname
) && !force
&& (cp
= ok_vlook(folder
)) != NULL
) {
141 if (force
|| (cp
= ok_vlook(MAIL
)) == NULL
)
142 snprintf(buf
, bufsize
, "%s/%s", MAILSPOOL
, user
);
144 n_strlcpy(buf
, cp
, bufsize
);
149 _globname(char const *name
, enum fexp_mode fexpm
)
158 /* Mac OS X Snow Leopard and Linux don't init fields on error, causing
159 * SIGSEGV in wordfree(3); so let's just always zero it ourselfs */
160 memset(&we
, 0, sizeof we
);
162 /* Some systems (notably Open UNIX 8.0.0) fork a shell for wordexp()
163 * and wait, which will fail if our SIGCHLD handler is active */
165 sigaddset(&nset
, SIGCHLD
);
166 sigprocmask(SIG_BLOCK
, &nset
, NULL
);
168 # define WRDE_NOCMD 0
170 i
= wordexp(name
, &we
, WRDE_NOCMD
);
171 sigprocmask(SIG_UNBLOCK
, &nset
, NULL
);
178 if (!(fexpm
& FEXP_SILENT
))
179 n_err(_("\"%s\": Command substitution not allowed\n"), name
);
183 if (!(fexpm
& FEXP_SILENT
))
184 n_err(_("\"%s\": Expansion buffer overflow\n"), name
);
189 if (!(fexpm
& FEXP_SILENT
))
190 n_err(_("Syntax error in \"%s\"\n"), name
);
194 switch (we
.we_wordc
) {
196 cp
= savestr(we
.we_wordv
[0]);
199 if (!(fexpm
& FEXP_SILENT
))
200 n_err(_("\"%s\": No match\n"), name
);
203 if (fexpm
& FEXP_MULTIOK
) {
206 for (l
= 0, j
= 0; j
< we
.we_wordc
; ++j
)
207 l
+= strlen(we
.we_wordv
[j
]) + 1;
210 for (l
= 0, j
= 0; j
< we
.we_wordc
; ++j
) {
211 size_t x
= strlen(we
.we_wordv
[j
]);
212 memcpy(cp
+ l
, we
.we_wordv
[j
], x
);
217 } else if (!(fexpm
& FEXP_SILENT
))
218 n_err(_("\"%s\": Ambiguous\n"), name
);
226 #else /* HAVE_WORDEXP */
228 char xname
[PATH_MAX
+1], cmdbuf
[PATH_MAX
+1], /* also used for files */
230 int pivec
[2], pid
, l
, waits
;
233 if (pipe(pivec
) < 0) {
234 n_perr(_("pipe"), 0);
237 snprintf(cmdbuf
, sizeof cmdbuf
, "echo %s", name
);
238 if ((shellp
= ok_vlook(SHELL
)) == NULL
)
239 shellp
= UNCONST(XSHELL
);
240 pid
= start_command(shellp
, NULL
, COMMAND_FD_NULL
, pivec
[1],
241 "-c", cmdbuf
, NULL
, NULL
);
250 l
= read(pivec
[0], xname
, sizeof xname
);
254 n_perr(_("read"), 0);
259 if (!wait_child(pid
, &waits
) && WTERMSIG(waits
) != SIGPIPE
) {
260 if (!(fexpm
& FEXP_SILENT
))
261 n_err(_("\"%s\": Expansion failed\n"), name
);
265 if (!(fexpm
& FEXP_SILENT
))
266 n_err(_("\"%s\": No match\n"), name
);
269 if (l
== sizeof xname
) {
270 if (!(fexpm
& FEXP_SILENT
))
271 n_err(_("\"%s\": Expansion buffer overflow\n"), name
);
275 for (cp
= xname
+ l
- 1; *cp
== '\n' && cp
> xname
; --cp
)
278 if (!(fexpm
& FEXP_MULTIOK
) && strchr(xname
, ' ') != NULL
&&
279 stat(xname
, &sbuf
) < 0) {
280 if (!(fexpm
& FEXP_SILENT
))
281 n_err(_("\"%s\": Ambiguous\n"), name
);
289 #endif /* !HAVE_WORDEXP */
293 _length_of_line(char const *line
, size_t linesize
)
298 /* Last character is always '\0' and was added by fgets() */
299 for (--linesize
, i
= 0; i
< linesize
; i
++)
302 i
= (i
< linesize
) ? i
+ 1 : linesize
;
308 _fgetline_byone(char **line
, size_t *linesize
, size_t *llen
, FILE *fp
,
309 int appendnl
, size_t n SMALLOC_DEBUG_ARGS
)
315 assert(*linesize
== 0 || *line
!= NULL
);
317 if (*linesize
<= LINESIZE
|| n
>= *linesize
- 128) {
318 *linesize
+= ((rv
== NULL
) ? LINESIZE
+ n
+ 1 : 256);
319 *line
= rv
= (srealloc
)(rv
, *linesize SMALLOC_DEBUG_ARGSCALL
);
352 message_append(NULL
);
354 message
[msgCount
].m_size
= 0;
355 message
[msgCount
].m_lines
= 0;
360 get_header(struct message
*mp
)
366 switch (mb
.mb_type
) {
373 rv
= pop3_header(mp
);
386 _file_lock(int fd
, enum file_lock_type flt
, off_t off
, off_t len
)
392 memset(&flp
, 0, sizeof flp
);
396 case FLT_READ
: rv
= F_RDLCK
; break;
397 case FLT_WRITE
: rv
= F_WRLCK
; break;
401 flp
.l_whence
= SEEK_SET
;
404 rv
= (fcntl(fd
, F_SETLK
, &flp
) != -1);
413 /* Use PATH_MAX not NAME_MAX to catch those "we proclaim the minimum value"
414 * problems (SunOS), since the pathconf(3) value comes too late! */
415 char name
[PATH_MAX
+1];
416 struct dotlock_info di
;
417 struct stat stb
, fdstb
;
418 enum dotlock_state dls
;
421 enum file_lock_type flt
;
424 /* Ignore SIGPIPE, we'll see EPIPE and "fall through" */
425 safe_signal(SIGPIPE
, SIG_IGN
);
427 /* Get the arguments "passed to us" */
435 dls
= DLS_CANT_CHDIR
| DLS_ABANDON
;
437 if ((cp
= strrchr(di
.di_file_name
, '/')) != NULL
) {
438 char const *fname
= cp
+ 1;
440 while (PTRCMP(cp
- 1, >, di
.di_file_name
) && cp
[-1] == '/')
442 cp
= savestrbuf(di
.di_file_name
, PTR2SIZE(cp
- di
.di_file_name
));
446 di
.di_file_name
= fname
;
449 /* So we're here, but then again the file can be a symbolic link!
450 * This is however only true if we do not have realpath(3) available since
451 * that'll have resolved the path already otherwise; nonetheless, let
452 * readlink(2) be a precondition for dotlocking and keep this code */
453 if (lstat(cp
= di
.di_file_name
, &stb
) == -1)
455 if (S_ISLNK(stb
.st_mode
)) {
456 /* Use salloc() and hope we stay in builtin buffer.. */
461 for (x
= NULL
, i
= PATH_MAX
;; i
+= PATH_MAX
) {
463 sr
= readlink(cp
, x
, i
);
465 dls
= DLS_FISHY
| DLS_ABANDON
;
468 if (UICMP(z
, sr
, <, i
)) {
478 dls
= DLS_FISHY
| DLS_ABANDON
;
480 /* Bail out if the file has changed its identity in the meanwhile */
481 if (fstat(fd
, &fdstb
) == -1 ||
482 fdstb
.st_dev
!= stb
.st_dev
|| fdstb
.st_ino
!= stb
.st_ino
||
483 fdstb
.st_uid
!= stb
.st_uid
|| fdstb
.st_gid
!= stb
.st_gid
||
484 fdstb
.st_mode
!= stb
.st_mode
)
487 /* Be aware, even if the error is false! Note the shared code in dotlock.h
488 * *requires* that it is possible to create a filename at least one byte
489 * longer than di_lock_name! */
490 do/* while(0) breaker */{
491 # ifdef HAVE_PATHCONF
494 int i
= snprintf(name
, sizeof name
, "%s.lock", di
.di_file_name
);
496 /* fd is a file, not portable to use for _PC_NAME_MAX */
499 dls
= DLS_NAMETOOLONG
| DLS_ABANDON
;
502 # ifdef HAVE_PATHCONF
504 if((pc
= pathconf(".", _PC_NAME_MAX
)) == -1){
505 /* errno unchanged: no limit */
508 }else if(pc
- 1 >= (long)i
)
513 if(UICMP(z
, NAME_MAX
- 1, <, (uiz_t
)i
))
517 di
.di_lock_name
= name
;
519 /* We are in the directory of the mailbox for which we have to create
520 * a dotlock file for. We don't know wether we have realpath(3) available,
521 * and manually resolving the path is due especially given that S-nail
522 * supports the special "%:" syntax to warp any file into a "system
523 * mailbox"; there may also be multiple system mailbox directories...
524 * So what we do is that we fstat(2) the mailbox and check its UID and
525 * GID against that of our own process: if any of those mismatch we must
526 * either assume a directory we are not allowed to write in, or that we run
527 * via -u/$USER/%USER as someone else, in which case we favour our
528 * privilege-separated dotlock process */
529 assert(cp
!= NULL
); /* Ugly: avoid a useless var and reuse that one */
530 if (access(".", W_OK
)) {
531 /* This may however also indicate a read-only filesystem, which is not
532 * really an error from our point of view since the mailbox will degrade
533 * to a readonly one for which no dotlock is needed, then, and errors
534 * may arise only due to actions which require box modifications */
535 if (errno
== EROFS
) {
536 dls
= DLS_ROFS
| DLS_ABANDON
;
541 if (cp
== NULL
|| stb
.st_uid
!= user_id
|| stb
.st_gid
!= group_id
) {
543 char const *args
[13];
545 snprintf(itoabuf
, sizeof itoabuf
, "%" PRIuZ
, di
.di_pollmsecs
);
547 args
[ 1] = (flt
== FLT_READ
? "rdotlock" : "wdotlock");
548 args
[ 2] = "mailbox"; args
[ 3] = di
.di_file_name
;
549 args
[ 4] = "name"; args
[ 5] = di
.di_lock_name
;
550 args
[ 6] = "hostname"; args
[ 7] = di
.di_hostname
;
551 args
[ 8] = "randstr"; args
[ 9] = di
.di_randstr
;
552 args
[10] = "pollmsecs"; args
[11] = itoabuf
;
554 execv(LIBEXECDIR
"/" UAGENT
"-privsep", UNCONST(args
));
557 write(STDOUT_FILENO
, &dls
, sizeof dls
);
558 /* But fall through and try it with normal privileges! */
561 /* So let's try and call it ourselfs! Note that we don't block signals just
562 * like our privsep child does, the user will anyway be able to remove his
563 * file again, and if we're in -u/$USER mode then we are allowed to access
564 * the user's box: shall we leave behind a stale dotlock then at least we
565 * start a friendly human conversation. Since we cannot handle SIGKILL and
566 * SIGSTOP malicious things could happen whatever we do */
567 safe_signal(SIGHUP
, SIG_IGN
);
568 safe_signal(SIGINT
, SIG_IGN
);
569 safe_signal(SIGQUIT
, SIG_IGN
);
570 safe_signal(SIGTERM
, SIG_IGN
);
573 dls
= _dotlock_create(&di
);
576 /* Finally: notify our parent about the actual lock state.. */
578 write(STDOUT_FILENO
, &dls
, sizeof dls
);
579 close(STDOUT_FILENO
);
581 /* ..then eventually wait until we shall remove the lock again, which will
582 * be notified via the read returning */
583 if (dls
== DLS_NONE
) {
584 read(STDIN_FILENO
, &dls
, sizeof dls
);
591 #endif /* HAVE_DOTLOCK */
595 xwrite(int fd
, char const *data
, size_t sz
)
602 if ((wo
= write(fd
, data
+ wt
, sz
- wt
)) < 0) {
615 #endif /* HAVE_SOCKETS */
618 _source_file(char const *file
, bool_t silent_error
)
624 if ((cp
= fexpand(file
, FEXP_LOCAL
)) == NULL
)
626 if ((fi
= Fopen(cp
, "r")) == NULL
) {
627 if (!silent_error
|| (options
& OPT_D_V
))
632 if (temporary_localopts_store
!= NULL
) {
633 n_err(_("Before v15 you cannot `source' from within macros, sorry\n"));
636 if (_fio_stack_size
>= NELEM(_fio_stack
)) {
637 n_err(_("Too many `source' recursions\n"));
644 _fio_stack
[_fio_stack_size
].s_file
= _fio_input
;
645 _fio_stack
[_fio_stack_size
].s_cond
= condstack_release();
646 _fio_stack
[_fio_stack_size
].s_loading
= !!(pstate
& PS_LOADING
);
648 pstate
&= ~PS_LOADING
;
649 pstate
|= PS_SOURCING
;
657 (fgetline
)(char **line
, size_t *linesize
, size_t *cnt
, size_t *llen
, FILE *fp
,
658 int appendnl SMALLOC_DEBUG_ARGS
)
665 /* Without count, we can't determine where the chars returned by fgets()
666 * end if there's no newline. We have to read one character by one */
667 rv
= _fgetline_byone(line
, linesize
, llen
, fp
, appendnl
, 0
668 SMALLOC_DEBUG_ARGSCALL
);
672 if ((rv
= *line
) == NULL
|| *linesize
< LINESIZE
)
673 *line
= rv
= (srealloc
)(rv
, *linesize
= LINESIZE SMALLOC_DEBUG_ARGSCALL
);
674 sz
= (*linesize
<= *cnt
) ? *linesize
: *cnt
+ 1;
675 if (sz
<= 1 || fgets(rv
, sz
, fp
) == NULL
) {
676 /* Leave llen untouched; it is used to determine whether the last line
677 * was \n-terminated in some callers */
682 i_llen
= _length_of_line(rv
, sz
);
684 while (rv
[i_llen
- 1] != '\n') {
685 *line
= rv
= (srealloc
)(rv
, *linesize
+= 256 SMALLOC_DEBUG_ARGSCALL
);
686 sz
= *linesize
- i_llen
;
687 sz
= (sz
<= *cnt
) ? sz
: *cnt
+ 1;
688 if (sz
<= 1 || fgets(rv
+ i_llen
, sz
, fp
) == NULL
) {
695 sz
= _length_of_line(rv
+ i_llen
, sz
);
707 (readline_restart
)(FILE *ibuf
, char **linebuf
, size_t *linesize
, size_t n
710 /* TODO readline_restart(): always *appends* LF just to strip it again;
711 * TODO should be configurable just as for fgetline(); ..or whatever.. */
718 /* Interrupts will cause trouble if we are inside a stdio call. As this is
719 * only relevant if input is from tty, bypass it by read(), then */
720 if (fileno(ibuf
) == 0 && (options
& OPT_TTYIN
)) {
721 assert(*linesize
== 0 || *linebuf
!= NULL
);
723 if (*linesize
<= LINESIZE
|| n
>= *linesize
- 128) {
724 *linesize
+= ((*linebuf
== NULL
) ? LINESIZE
+ n
+ 1 : 256);
725 *linebuf
= (srealloc
)(*linebuf
, *linesize SMALLOC_DEBUG_ARGSCALL
);
728 sz
= read(0, *linebuf
+ n
, *linesize
- n
- 1);
731 (*linebuf
)[n
] = '\0';
732 if (n
> 0 && (*linebuf
)[n
- 1] == '\n')
735 if (sz
< 0 && errno
== EINTR
)
738 if ((*linebuf
)[n
- 1] != '\n') {
739 (*linebuf
)[n
++] = '\n';
740 (*linebuf
)[n
] = '\0';
748 /* Not reading from standard input or standard input not a terminal. We
749 * read one char at a time as it is the only way to get lines with
750 * embedded NUL characters in standard stdio */
751 if (_fgetline_byone(linebuf
, linesize
, &n
, ibuf
, 1, n
752 SMALLOC_DEBUG_ARGSCALL
) == NULL
)
755 if (n
> 0 && (*linebuf
)[n
- 1] == '\n')
756 (*linebuf
)[--n
] = '\0';
764 (readline_input
)(char const *prompt
, bool_t nl_escape
, char **linebuf
,
765 size_t *linesize
, char const *string SMALLOC_DEBUG_ARGS
)
767 /* TODO readline: linebuf pool! */
768 FILE *ifile
= (_fio_input
!= NULL
) ? _fio_input
: stdin
;
769 bool_t doprompt
, dotty
;
773 doprompt
= (!(pstate
& PS_SOURCING
) && (options
& OPT_INTERACTIVE
));
774 dotty
= (doprompt
&& !ok_blook(line_editor_disable
));
777 else if (prompt
== NULL
)
778 prompt
= getprompt();
780 /* Ensure stdout is flushed first anyway */
781 if (!dotty
&& prompt
== NULL
)
784 for (nold
= n
= 0;;) {
786 assert(ifile
== stdin
);
787 if (string
!= NULL
&& (n
= (int)strlen(string
)) > 0) {
791 *linesize
= (size_t)n
+ LINESIZE
+1;
792 *linebuf
= (srealloc
)(*linebuf
, *linesize SMALLOC_DEBUG_ARGSCALL
);
793 memcpy(*linebuf
, string
, (size_t)n
+1);
796 /* TODO if nold>0, don't redisplay the entire line!
797 * TODO needs complete redesign ... */
798 n
= (n_tty_readline
)(prompt
, linebuf
, linesize
, n
799 SMALLOC_DEBUG_ARGSCALL
);
801 if (prompt
!= NULL
) {
803 fputs(prompt
, stdout
);
806 n
= (readline_restart
)(ifile
, linebuf
, linesize
, n
807 SMALLOC_DEBUG_ARGSCALL
);
809 if (n
> 0 && nold
> 0) {
811 char const *cp
= *linebuf
+ nold
;
813 while (blankspacechar(*cp
) && nold
+ i
< n
)
816 memmove(*linebuf
+ nold
, cp
, n
- nold
- i
);
818 (*linebuf
)[n
] = '\0';
826 * An unquoted <backslash> at the end of a command line shall
827 * be discarded and the next line shall continue the command */
828 if (!nl_escape
|| n
== 0 || (*linebuf
)[n
- 1] != '\\')
830 (*linebuf
)[nold
= --n
] = '\0';
831 if (prompt
!= NULL
&& *prompt
!= '\0')
832 prompt
= ".. "; /* XXX PS2 .. */
835 if (n
>= 0 && (options
& OPT_D_VV
))
836 n_err(_("%s %d bytes <%.*s>\n"),
837 ((pstate
& PS_LOADING
) ? "LOAD"
838 : (pstate
& PS_SOURCING
) ? "SOURCE" : "READ"),
845 n_input_cp_addhist(char const *prompt
, char const *string
, bool_t isgabby
)
847 /* FIXME n_input_cp_addhist(): leaks on sigjmp without linepool */
849 char *linebuf
= NULL
, *rv
= NULL
;
853 n
= readline_input(prompt
, FAL0
, &linebuf
, &linesize
, string
);
854 if (n
> 0 && *(rv
= savestrbuf(linebuf
, (size_t)n
)) != '\0' &&
855 (options
& OPT_INTERACTIVE
))
856 n_tty_addhist(rv
, isgabby
);
865 setptr(FILE *ibuf
, off_t offset
)
868 char *cp
, *linebuf
= NULL
;
870 int c
, maybe
= 1, inhead
= 0, selfcnt
= 0;
871 size_t linesize
= 0, filesize
, cnt
;
874 memset(&self
, 0, sizeof self
);
875 self
.m_flag
= MUSED
| MNEW
| MNEWEST
;
876 filesize
= mailsize
- offset
;
877 offset
= ftell(mb
.mb_otf
);
880 if (fgetline(&linebuf
, &linesize
, &filesize
, &cnt
, ibuf
, 0) == NULL
) {
881 self
.m_xsize
= self
.m_size
;
882 self
.m_xlines
= self
.m_lines
;
883 self
.m_have
= HAVE_HEADER
| HAVE_BODY
;
885 message_append(&self
);
893 if (linebuf
[0] == '\0')
896 /* XXX Convert CRLF to LF; this should be rethought in that
897 * XXX CRLF input should possibly end as CRLF output? */
898 if (cnt
>= 2 && linebuf
[cnt
- 1] == '\n' && linebuf
[cnt
- 2] == '\r')
899 linebuf
[--cnt
- 1] = '\n';
900 fwrite(linebuf
, sizeof *linebuf
, cnt
, mb
.mb_otf
);
901 if (ferror(mb
.mb_otf
)) {
902 n_perr(_("/tmp"), 0);
905 if (linebuf
[cnt
- 1] == '\n')
906 linebuf
[cnt
- 1] = '\0';
907 if (maybe
&& linebuf
[0] == 'F' && is_head(linebuf
, cnt
, FAL0
)) {
908 /* TODO char date[FROM_DATEBUF];
909 * TODO extract_date_from_from_(linebuf, cnt, date);
910 * TODO self.m_time = 10000; */
911 self
.m_xsize
= self
.m_size
;
912 self
.m_xlines
= self
.m_lines
;
913 self
.m_have
= HAVE_HEADER
| HAVE_BODY
;
915 message_append(&self
);
917 self
.m_flag
= MUSED
| MNEW
| MNEWEST
;
920 self
.m_block
= mailx_blockof(offset
);
921 self
.m_offset
= mailx_offsetof(offset
);
923 } else if (linebuf
[0] == 0) {
926 for (cp
= linebuf
, cp2
= "status";; ++cp
) {
927 if ((c
= *cp2
++) == 0) {
928 while (c
= *cp
++, whitechar(c
))
932 while ((c
= *cp
++) != '\0')
934 self
.m_flag
|= MREAD
;
936 self
.m_flag
&= ~MNEW
;
939 if (*cp
!= c
&& *cp
!= upperconv(c
))
942 for (cp
= linebuf
, cp2
= "x-status";; ++cp
) {
943 if ((c
= *cp2
++) == 0) {
944 while ((c
= *cp
++, whitechar(c
)))
948 while ((c
= *cp
++) != '\0')
950 self
.m_flag
|= MFLAGGED
;
952 self
.m_flag
|= MANSWERED
;
954 self
.m_flag
|= MDRAFTED
;
957 if (*cp
!= c
&& *cp
!= upperconv(c
))
964 maybe
= linebuf
[0] == 0;
970 putline(FILE *obuf
, char *linebuf
, size_t cnt
)
975 fwrite(linebuf
, sizeof *linebuf
, cnt
, obuf
);
984 setinput(struct mailbox
*mp
, struct message
*m
, enum needspec need
)
992 ok
= (m
->m_have
& HAVE_HEADER
) ? OKAY
: get_header(m
);
995 ok
= (m
->m_have
& HAVE_BODY
) ? OKAY
: get_body(m
);
1005 if (fseek(mp
->mb_itf
, (long)mailx_positionof(m
->m_block
, m
->m_offset
),
1007 n_perr(_("fseek"), 0);
1008 n_panic(_("temporary file seek"));
1020 if (message
!= NULL
) {
1030 message_append(struct message
*mp
)
1033 if (UICMP(z
, msgCount
+ 1, >=, _message_space
)) {
1034 /* XXX remove _message_space magics (or use s_Vector) */
1035 _message_space
= (_message_space
>= 128 && _message_space
<= 1000000)
1036 ? _message_space
<< 1 : _message_space
+ 64;
1037 message
= srealloc(message
, _message_space
* sizeof *message
);
1041 message
[msgCount
- 1] = *mp
;
1043 memset(message
+ msgCount
- 1, 0, sizeof *message
);
1049 message_match(struct message
*mp
, struct search_expr
const *sep
,
1050 bool_t with_headers
)
1053 size_t *linesize
, cnt
;
1058 if ((fp
= Ftmp(NULL
, "mpmatch", OF_RDWR
| OF_UNLINK
| OF_REGISTER
)) == NULL
)
1061 if (sendmp(mp
, fp
, NULL
, NULL
, SEND_TOSRCH
, NULL
) < 0)
1066 line
= &termios_state
.ts_linebuf
; /* XXX line pool */
1067 linesize
= &termios_state
.ts_linesize
; /* XXX line pool */
1070 while (fgetline(line
, linesize
, &cnt
, NULL
, fp
, 0))
1074 while (fgetline(line
, linesize
, &cnt
, NULL
, fp
, 0)) {
1076 if (sep
->ss_sexpr
== NULL
) {
1077 if (regexec(&sep
->ss_regex
, *line
, 0,NULL
, 0) == REG_NOMATCH
)
1081 if (!substr(*line
, sep
->ss_sexpr
))
1095 setdot(struct message
*mp
)
1100 pstate
&= ~PS_DID_PRINT_DOT
;
1103 uncollapse1(dot
, 0);
1109 rm(char const *name
)
1115 if (stat(name
, &sb
) < 0)
1117 else if (!S_ISREG(sb
.st_mode
))
1132 rv
= (fstat(fileno(iob
), &sbuf
) == -1) ? 0 : sbuf
.st_size
;
1138 fexpand(char const *name
, enum fexp_mode fexpm
)
1140 char cbuf
[PATH_MAX
+1];
1146 /* The order of evaluation is "%" and "#" expand into constants.
1147 * "&" can expand into "+". "+" can expand into shell meta characters.
1148 * Shell meta characters expand into constants.
1149 * This way, we make no recursive expansion */
1150 if ((fexpm
& FEXP_NSHORTCUT
) || (res
= shortcut_expand(name
)) == NULL
)
1151 res
= UNCONST(name
);
1153 if (fexpm
& FEXP_SHELL
) {
1161 if (res
[1] == ':' && res
[2] != '\0') {
1165 _findmail(cbuf
, sizeof cbuf
, (res
[1] != '\0' ? res
+ 1 : myname
),
1166 (res
[1] != '\0' || (options
& OPT_u_FLAG
)));
1172 if (prevfile
[0] == '\0') {
1173 n_err(_("No previous file\n"));
1180 if (res
[1] == '\0') {
1181 if ((res
= ok_vlook(MBOX
)) == NULL
)
1182 res
= UNCONST("~/mbox"); /* XXX no magics (POSIX though) */
1183 else if (res
[0] != '&' || res
[1] != '\0')
1189 if (res
[0] == '+' && getfold(cbuf
, sizeof cbuf
)) {
1190 size_t i
= strlen(cbuf
);
1192 res
= str_concat_csvl(&s
, cbuf
,
1193 ((i
> 0 && cbuf
[i
- 1] == '/') ? "" : "/"), res
+ 1, NULL
)->s
;
1196 if (res
[0] == '%' && res
[1] == ':') {
1202 /* Catch the most common shell meta character */
1204 if (res
[0] == '~') {
1205 res
= n_shell_expand_tilde(res
, NULL
);
1208 if (anyof(res
, "|&;<>{}()[]*?$`'\"\\"))
1209 switch (which_protocol(res
)) {
1212 res
= (fexpm
& FEXP_NSHELL
) ? n_shell_expand_var(res
, TRU1
, NULL
)
1213 : _globname(res
, fexpm
);
1220 if (fexpm
& FEXP_LOCAL
)
1221 switch (which_protocol(res
)) {
1226 n_err(_("Not a local file or directory: \"%s\"\n"), name
);
1234 return UNCONST(res
);
1238 fexpand_nshell_quote(char const *name
)
1244 for (i
= j
= 0; (c
= name
[i
]) != '\0'; ++i
)
1249 rv
= savestrbuf(name
, i
);
1251 rv
= salloc(i
+ j
+1);
1252 for (i
= j
= 0; (c
= name
[i
]) != '\0'; ++i
) {
1264 var_folder_updated(char const *name
, char **store
)
1267 char *folder
, *unres
= NULL
, *res
= NULL
;
1270 if ((folder
= UNCONST(name
)) == NULL
)
1273 /* Expand the *folder*; skip %: prefix for simplicity of use */
1274 /* XXX This *only* works because we do NOT
1275 * XXX update environment variables via the "set" mechanism */
1276 if (folder
[0] == '%' && folder
[1] == ':')
1278 if ((folder
= fexpand(folder
, FEXP_FULL
)) == NULL
) /* XXX error? */
1281 switch (which_protocol(folder
)) {
1283 n_err(_("*folder* cannot be set to a flat, readonly POP3 account\n"));
1287 /* Further expansion desired */
1291 /* All non-absolute paths are relative to our home directory */
1292 if (*folder
!= '/') {
1293 size_t l1
= strlen(homedir
), l2
= strlen(folder
);
1294 unres
= ac_alloc(l1
+ l2
+ 1 +1);
1295 memcpy(unres
, homedir
, l1
);
1297 memcpy(unres
+ l1
+ 1, folder
, l2
);
1298 unres
[l1
+ 1 + l2
] = '\0';
1302 /* Since lex.c:_update_mailname() uses realpath(3) if available to
1303 * avoid that we loose track of our currently open folder in case we
1304 * chdir away, but still checks the leading path portion against
1305 * getfold() to be able to abbreviate to the +FOLDER syntax if
1306 * possible, we need to realpath(3) the folder, too */
1307 #ifdef HAVE_REALPATH
1308 res
= ac_alloc(PATH_MAX
+1);
1309 if (realpath(folder
, res
) == NULL
)
1310 n_err(_("Can't canonicalize \"%s\"\n"), folder
);
1315 *store
= sstrdup(folder
);
1327 getfold(char *name
, size_t size
)
1332 if ((folder
= ok_vlook(folder
)) != NULL
)
1333 n_strlcpy(name
, folder
, size
);
1335 return (folder
!= NULL
);
1339 getdeadletter(void) /* XXX should that be in auxlily.c? */
1344 if ((cp
= ok_vlook(DEAD
)) == NULL
|| (cp
= fexpand(cp
, FEXP_LOCAL
)) == NULL
)
1345 cp
= fexpand("~/dead.letter", FEXP_LOCAL
| FEXP_SHELL
);
1346 else if (*cp
!= '/') {
1347 size_t sz
= strlen(cp
) + 2 +1;
1348 char *buf
= ac_alloc(sz
);
1350 snprintf(buf
, sz
, "~/%s", cp
);
1351 cp
= fexpand(buf
, FEXP_LOCAL
| FEXP_SHELL
);
1356 cp
= "dead.letter"; /* XXX magic -> nail.h (POSIX thing though) */
1362 get_body(struct message
*mp
)
1368 switch (mb
.mb_type
) {
1388 file_lock(int fd
, enum file_lock_type flt
, off_t off
, off_t len
,
1395 for (tries
= 0; tries
<= FILE_LOCK_TRIES
; ++tries
)
1396 if ((rv
= _file_lock(fd
, flt
, off
, len
)) || pollmsecs
== 0)
1399 sleep(1); /* TODO pollmsecs -> use finer grain */
1405 dot_lock(char const *fname
, int fd
, enum file_lock_type flt
,
1406 off_t off
, off_t len
, size_t pollmsecs
)
1410 # define _DOMSG() n_err(_("Creating dotlock for \"%s\" "), fname)
1412 # define _DOMSG() n_err(_("Trying to lock file \"%s\" "), fname)
1417 struct dotlock_info di
;
1418 enum dotlock_state dls
;
1419 char const *emsg
= NULL
;
1421 int UNINIT(serrno
, 0);
1422 union {size_t tries
; int (*ptf
)(void); char const *sh
; ssize_t r
;} u
;
1423 bool_t flocked
, didmsg
= FAL0
;
1427 if (options
& OPT_D_VV
) {
1433 for (u
.tries
= 0; !_file_lock(fd
, flt
, off
, len
);)
1434 switch ((serrno
= errno
)) {
1438 if (pollmsecs
> 0 && ++u
.tries
< FILE_LOCK_TRIES
) {
1443 sleep(1); /* TODO pollmsecs -> use finer grain */
1452 #ifndef HAVE_DOTLOCK
1454 if (didmsg
== TRUM1
)
1464 /* Create control-pipe for our dot file locker process, which will remove
1465 * the lock and terminate once the pipe is closed, for whatever reason */
1466 if (pipe_cloexec(cpipe
) == -1) {
1468 emsg
= N_(" Can't create file lock control pipe\n");
1472 /* And the locker process itself; it'll be a (rather cheap) thread only
1473 * unless the lock has to be placed in the system spool and we have our
1474 * privilege-separated dotlock program available, in which case that will be
1475 * executed and do "it" with changed group-id */
1476 di
.di_file_name
= fname
;
1477 di
.di_pollmsecs
= pollmsecs
;
1478 /* Initialize some more stuff; query the two strings in the parent in order
1479 * to cache the result of the former and anyway minimalize child page-ins.
1480 * Especially uname(3) may hang for multiple seconds when it is called the
1482 di
.di_hostname
= nodename(FAL0
);
1483 di
.di_randstr
= getrandstring(16);
1488 u
.ptf
= &_dotlock_main
;
1489 rv
= Popen((char*)-1, "W", u
.sh
, NULL
, cpipe
[1]);
1495 emsg
= N_(" Can't create file lock process\n");
1499 /* Let's check wether we were able to create the dotlock file */
1501 u
.r
= read(cpipe
[0], &dls
, sizeof dls
);
1502 if (UICMP(z
, u
.r
, !=, sizeof dls
)) {
1503 serrno
= (u
.r
!= -1) ? EAGAIN
: errno
;
1504 dls
= DLS_DUNNO
| DLS_ABANDON
;
1508 if (dls
== DLS_NONE
|| (dls
& DLS_ABANDON
))
1511 switch (dls
& ~DLS_ABANDON
) {
1514 case DLS_CANT_CHDIR
:
1515 if (options
& OPT_D_V
)
1516 emsg
= N_(" Can't change to directory! Please check permissions\n");
1519 case DLS_NAMETOOLONG
:
1520 emsg
= N_("Resulting dotlock filename would be too long\n");
1524 assert(dls
& DLS_ABANDON
);
1525 if (options
& OPT_D_V
)
1526 emsg
= N_(" Read-only filesystem, not creating lock file\n");
1530 if (options
& OPT_D_V
)
1531 emsg
= N_(" Can't create a lock file! Please check permissions\n"
1532 " (Maybe setting *dotlock-ignore-error* variable helps.)\n");
1536 if (options
& OPT_D_V
)
1537 emsg
= N_(" Can't find privilege-separated file lock program\n");
1540 case DLS_PRIVFAILED
:
1541 emsg
= N_(" Privilege-separated file lock program can't change "
1546 emsg
= N_(" It seems there is a stale dotlock file?\n"
1547 " Please remove the lock file manually, then retry\n");
1551 emsg
= N_(" Fishy! Is someone trying to \"steal\" foreign files?\n"
1552 " Please check the mailbox file etc. manually, then retry\n");
1553 serrno
= EAGAIN
; /* ? Hack to ignore *dotlock-ignore-error* xxx */
1557 emsg
= N_(" Unspecified dotlock file control process error.\n"
1558 " Like broken I/O pipe; this one is unlikely to happen\n");
1559 if (serrno
!= EAGAIN
)
1575 if (didmsg
== TRUM1
)
1582 if (dls
& DLS_ABANDON
) {
1590 if (didmsg
== TRUM1
)
1593 if (flocked
&& (serrno
== EROFS
||
1594 (serrno
!= EAGAIN
&& serrno
!= EEXIST
&&
1595 ok_blook(dotlock_ignore_error
))))
1609 #endif /* HAVE_DOTLOCK */
1615 sclose(struct sock
*sp
)
1622 /* TODO NOTE: we MUST NOT close the descriptor 0 here...
1623 * TODO of course this should be handled in a VMAILFS->open() .s_fd=-1,
1624 * TODO but unfortunately it isn't yet */
1628 if (sp
->s_onclose
!= NULL
)
1630 if (sp
->s_wbuf
!= NULL
)
1632 # ifdef HAVE_OPENSSL
1633 if (sp
->s_use_ssl
) {
1634 void *s_ssl
= sp
->s_ssl
;
1638 while (!SSL_shutdown(s_ssl
)) /* XXX proper error handling;signals! */
1650 swrite(struct sock
*sp
, char const *data
)
1655 rv
= swrite1(sp
, data
, strlen(data
), 0);
1661 swrite1(struct sock
*sp
, char const *data
, int sz
, int use_buffer
)
1663 enum okay rv
= STOP
;
1667 if (use_buffer
> 0) {
1670 if (sp
->s_wbuf
== NULL
) {
1671 sp
->s_wbufsize
= 4096;
1672 sp
->s_wbuf
= smalloc(sp
->s_wbufsize
);
1675 while (sp
->s_wbufpos
+ sz
> sp
->s_wbufsize
) {
1676 di
= sp
->s_wbufsize
- sp
->s_wbufpos
;
1678 if (sp
->s_wbufpos
> 0) {
1679 memcpy(sp
->s_wbuf
+ sp
->s_wbufpos
, data
, di
);
1680 rv
= swrite1(sp
, sp
->s_wbuf
, sp
->s_wbufsize
, -1);
1682 rv
= swrite1(sp
, data
, sp
->s_wbufsize
, -1);
1688 if (sz
== sp
->s_wbufsize
) {
1689 rv
= swrite1(sp
, data
, sp
->s_wbufsize
, -1);
1693 memcpy(sp
->s_wbuf
+ sp
->s_wbufpos
, data
, sz
);
1694 sp
->s_wbufpos
+= sz
;
1698 } else if (use_buffer
== 0 && sp
->s_wbuf
!= NULL
&& sp
->s_wbufpos
> 0) {
1701 if ((rv
= swrite1(sp
, sp
->s_wbuf
, x
, -1)) != OKAY
)
1709 # ifdef HAVE_OPENSSL
1710 if (sp
->s_use_ssl
) {
1712 x
= SSL_write(sp
->s_ssl
, data
, sz
);
1714 switch (SSL_get_error(sp
->s_ssl
, x
)) {
1715 case SSL_ERROR_WANT_READ
:
1716 case SSL_ERROR_WANT_WRITE
:
1723 x
= xwrite(sp
->s_fd
, data
, sz
);
1727 snprintf(o
, sizeof o
, "%s write error",
1728 (sp
->s_desc
? sp
->s_desc
: "socket"));
1729 # ifdef HAVE_OPENSSL
1731 ssl_gen_err("%s", o
);
1746 static sigjmp_buf __sopen_actjmp
; /* TODO someday, we won't need it no more */
1747 static int __sopen_sig
; /* TODO someday, we won't need it no more */
1749 __sopen_onsig(int sig
) /* TODO someday, we won't need it no more */
1751 NYD_X
; /* Signal handler */
1752 if (__sopen_sig
< 0) {
1753 /* Of course the following doesn't belong into a signal handler XXX */
1756 if (__sopen_sig
== -1) {
1758 _("\nInterrupting it could turn the (GNU/Linux+) DNS resolver "
1760 " Wait until it's done, or do terminate the program\n"));
1762 } else if ((i
= j
= ABS(__sopen_sig
)) + 15 < scrnwidth
) {
1766 fputs("___( o)", stderr
);
1767 putc((i
& 1) ? '=' : '>', stderr
);
1775 siglongjmp(__sopen_actjmp
, 1);
1780 sopen(struct sock
*sp
, struct url
*urlp
) /* TODO sighandling; refactor */
1782 # ifdef HAVE_SO_SNDTIMEO
1785 # ifdef HAVE_SO_LINGER
1788 # ifdef HAVE_GETADDRINFO
1789 char hbuf
[NI_MAXHOST
];
1790 struct addrinfo hints
, *res0
= NULL
, *res
;
1792 struct sockaddr_in servaddr
;
1793 struct in_addr
**pptr
;
1797 sighandler_type
volatile ohup
, oint
;
1798 char const * volatile serv
;
1799 int volatile sofd
= -1, errval
;
1804 /* Connect timeouts after 30 seconds XXX configurable */
1805 # ifdef HAVE_SO_SNDTIMEO
1809 serv
= (urlp
->url_port
!= NULL
) ? urlp
->url_port
: urlp
->url_proto
;
1811 if (options
& OPT_VERB
)
1812 n_err(_("Resolving host \"%s:%s\" ... "),
1813 urlp
->url_host
.s
, serv
);
1815 /* Signal handling (in respect to __sopen_sig dealing) is heavy, but no
1816 * healing until v15.0 and i want to end up with that functionality */
1819 ohup
= safe_signal(SIGHUP
, &__sopen_onsig
);
1820 oint
= safe_signal(SIGINT
, &__sopen_onsig
);
1821 if (sigsetjmp(__sopen_actjmp
, 0)) {
1824 (__sopen_sig
== SIGHUP
? _("Hangup") : _("Interrupted")));
1833 # ifdef HAVE_GETADDRINFO
1835 memset(&hints
, 0, sizeof hints
);
1836 hints
.ai_socktype
= SOCK_STREAM
;
1838 errval
= getaddrinfo(urlp
->url_host
.s
, serv
, &hints
, &res0
);
1839 if (__sopen_sig
!= -1) {
1840 __sopen_sig
= SIGINT
;
1847 if (options
& OPT_VERB
)
1848 n_err(_("failed\n"));
1849 n_err(_("Lookup of \"%s:%s\" failed: %s\n"),
1850 urlp
->url_host
.s
, serv
, gai_strerror(errval
));
1852 /* Error seems to depend on how "smart" the /etc/service code is: is it
1853 * "able" to state wether the service as such is NONAME or does it only
1854 * check for the given ai_socktype.. */
1855 if (errval
== EAI_NONAME
|| errval
== EAI_SERVICE
) {
1856 if (serv
== urlp
->url_proto
&&
1857 (serv
= url_servbyname(urlp
, NULL
)) != NULL
) {
1858 n_err(_(" Trying standard protocol port \"%s\"\n"
1859 " If that succeeds consider including the port in the URL!\n"),
1863 if (serv
!= urlp
->url_port
)
1864 n_err(_(" Including a port number in the URL may "
1865 "circumvent this problem\n"));
1871 if (options
& OPT_VERB
)
1874 for (res
= res0
; res
!= NULL
&& sofd
< 0; res
= res
->ai_next
) {
1875 if (options
& OPT_VERB
) {
1876 if (getnameinfo(res
->ai_addr
, res
->ai_addrlen
, hbuf
, sizeof hbuf
,
1877 NULL
, 0, NI_NUMERICHOST
))
1878 memcpy(hbuf
, "unknown host", sizeof("unknown host"));
1879 n_err(_("%sConnecting to \"%s:%s\" ..."),
1880 (res
== res0
? "" : "\n"), hbuf
, serv
);
1883 sofd
= socket(res
->ai_family
, res
->ai_socktype
, res
->ai_protocol
);
1885 # ifdef HAVE_SO_SNDTIMEO
1886 (void)setsockopt(sofd
, SOL_SOCKET
, SO_SNDTIMEO
, &tv
, sizeof tv
);
1888 if (connect(sofd
, res
->ai_addr
, res
->ai_addrlen
)) {
1902 # else /* HAVE_GETADDRINFO */
1903 if (serv
== urlp
->url_proto
) {
1904 if ((ep
= getservbyname(UNCONST(serv
), "tcp")) != NULL
)
1905 urlp
->url_portno
= ntohs(ep
->s_port
);
1907 if (options
& OPT_VERB
)
1908 n_err(_("failed\n"));
1909 if ((serv
= url_servbyname(urlp
, &urlp
->url_portno
)) != NULL
)
1910 n_err(_(" Unknown service: \"%s\"\n"
1911 " Trying standard protocol port \"%s\"\n"
1912 " If that succeeds consider including the port in the URL!\n"),
1913 urlp
->url_proto
, serv
);
1915 n_err(_(" Unknown service: \"%s\"\n"
1916 " Including a port in the URL may circumvent this problem\n"),
1918 assert(sofd
== -1 && errval
== 0);
1925 hp
= gethostbyname(urlp
->url_host
.s
);
1926 if (__sopen_sig
!= -1) {
1927 __sopen_sig
= SIGINT
;
1935 if (options
& OPT_VERB
)
1936 n_err(_("failed\n"));
1938 case HOST_NOT_FOUND
: emsg
= N_("host not found"); break;
1940 case TRY_AGAIN
: emsg
= N_("(maybe) try again later"); break;
1941 case NO_RECOVERY
: emsg
= N_("non-recoverable server error"); break;
1942 case NO_DATA
: emsg
= N_("valid name without IP address"); break;
1944 n_err(_("Lookup of \"%s:%s\" failed: %s\n"),
1945 urlp
->url_host
.s
, serv
, V_(emsg
));
1947 } else if (options
& OPT_VERB
)
1950 pptr
= (struct in_addr
**)hp
->h_addr_list
;
1951 if ((sofd
= socket(AF_INET
, SOCK_STREAM
, 0)) == -1) {
1952 n_perr(_("could not create socket"), 0);
1953 assert(sofd
== -1 && errval
== 0);
1957 memset(&servaddr
, 0, sizeof servaddr
);
1958 servaddr
.sin_family
= AF_INET
;
1959 servaddr
.sin_port
= htons(urlp
->url_portno
);
1960 memcpy(&servaddr
.sin_addr
, *pptr
, sizeof(struct in_addr
));
1961 if (options
& OPT_VERB
)
1962 n_err(_("%sConnecting to \"%s:%d\" ... "),
1963 "", inet_ntoa(**pptr
), (int)urlp
->url_portno
);
1964 # ifdef HAVE_SO_SNDTIMEO
1965 (void)setsockopt(sofd
, SOL_SOCKET
, SO_SNDTIMEO
, &tv
, sizeof tv
);
1967 if (connect(sofd
, (struct sockaddr
*)&servaddr
, sizeof servaddr
)) {
1973 # endif /* !HAVE_GETADDRINFO */
1976 safe_signal(SIGINT
, oint
);
1977 safe_signal(SIGHUP
, ohup
);
1983 n_perr(_("Could not connect"), 0);
1988 if (options
& OPT_VERB
)
1989 n_err(_("connected.\n"));
1991 /* And the regular timeouts XXX configurable */
1992 # ifdef HAVE_SO_SNDTIMEO
1995 (void)setsockopt(sofd
, SOL_SOCKET
, SO_SNDTIMEO
, &tv
, sizeof tv
);
1996 (void)setsockopt(sofd
, SOL_SOCKET
, SO_RCVTIMEO
, &tv
, sizeof tv
);
1998 # ifdef HAVE_SO_LINGER
2001 (void)setsockopt(sofd
, SOL_SOCKET
, SO_LINGER
, &li
, sizeof li
);
2004 memset(sp
, 0, sizeof *sp
);
2007 /* SSL/TLS upgrade? */
2009 if (urlp
->url_needs_tls
) {
2011 ohup
= safe_signal(SIGHUP
, &__sopen_onsig
);
2012 oint
= safe_signal(SIGINT
, &__sopen_onsig
);
2013 if (sigsetjmp(__sopen_actjmp
, 0)) {
2014 n_err(_("%s during SSL/TLS handshake\n"),
2015 (__sopen_sig
== SIGHUP
? _("Hangup") : _("Interrupted")));
2020 if (ssl_open(urlp
, sp
) != OKAY
) {
2027 safe_signal(SIGINT
, oint
);
2028 safe_signal(SIGHUP
, ohup
);
2031 # endif /* HAVE_SSL */
2034 /* May need to bounce the signal to the lex.c trampoline (or wherever) */
2035 if (__sopen_sig
!= 0) {
2038 sigaddset(&cset
, __sopen_sig
);
2039 sigprocmask(SIG_UNBLOCK
, &cset
, NULL
);
2040 n_raise(__sopen_sig
);
2047 (sgetline
)(char **line
, size_t *linesize
, size_t *linelen
, struct sock
*sp
2059 if (sp
->s_rsz
< 0) {
2066 if (lp_base
== NULL
|| PTRCMP(lp
, >, lp_base
+ lsize
- 128)) {
2067 size_t diff
= PTR2SIZE(lp
- lp_base
);
2068 *linesize
= (lsize
+= 256); /* XXX magic */
2069 *line
= lp_base
= (srealloc
)(lp_base
, lsize SMALLOC_DEBUG_ARGSCALL
);
2070 lp
= lp_base
+ diff
;
2073 if (sp
->s_rbufptr
== NULL
||
2074 PTRCMP(sp
->s_rbufptr
, >=, sp
->s_rbuf
+ sp
->s_rsz
)) {
2075 # ifdef HAVE_OPENSSL
2076 if (sp
->s_use_ssl
) {
2078 sp
->s_rsz
= SSL_read(sp
->s_ssl
, sp
->s_rbuf
, sizeof sp
->s_rbuf
);
2079 if (sp
->s_rsz
<= 0) {
2080 if (sp
->s_rsz
< 0) {
2082 switch(SSL_get_error(sp
->s_ssl
, sp
->s_rsz
)) {
2083 case SSL_ERROR_WANT_READ
:
2084 case SSL_ERROR_WANT_WRITE
:
2087 snprintf(o
, sizeof o
, "%s",
2088 (sp
->s_desc
? sp
->s_desc
: "socket"));
2089 ssl_gen_err("%s", o
);
2097 sp
->s_rsz
= read(sp
->s_fd
, sp
->s_rbuf
, sizeof sp
->s_rbuf
);
2098 if (sp
->s_rsz
<= 0) {
2099 if (sp
->s_rsz
< 0) {
2103 snprintf(o
, sizeof o
, "%s",
2104 (sp
->s_desc
? sp
->s_desc
: "socket"));
2110 sp
->s_rbufptr
= sp
->s_rbuf
;
2112 } while ((*lp
++ = *sp
->s_rbufptr
++) != '\n');
2114 lsize
= PTR2SIZE(lp
- lp_base
);
2123 #endif /* HAVE_SOCKETS */
2126 load(char const *name
)
2133 if (name
== NULL
|| *name
== '\0' || (in
= Fopen(name
, "r")) == NULL
)
2138 pstate
|= PS_IN_LOAD
;
2139 /* commands() may sreset(), copy over file name */
2141 n
.s
= ac_alloc(n
.l
+1);
2142 memcpy(n
.s
, name
, n
.l
+1);
2144 cond
= condstack_release();
2146 n_err(_("Stopped loading \"%s\" due to errors "
2147 "(enable *debug* for trace)\n"), n
.s
);
2148 condstack_take(cond
);
2151 pstate
&= ~PS_IN_LOAD
;
2164 rv
= _source_file(*(char**)v
, FAL0
) ? 0 : 1;
2170 c_source_if(void *v
) /* XXX obsolete?, support file tests in `if' etc.! */
2175 rv
= _source_file(*(char**)v
, TRU1
) ? 0 : 1;
2187 if (_fio_stack_size
== 0) {
2188 n_err(_("`source' stack over-pop\n"));
2189 pstate
&= ~PS_SOURCING
;
2196 if (!condstack_take(_fio_stack
[_fio_stack_size
].s_cond
))
2197 n_err(_("Unmatched \"if\"\n"));
2198 if (_fio_stack
[_fio_stack_size
].s_loading
)
2199 pstate
|= PS_LOADING
;
2201 pstate
&= ~PS_LOADING
;
2202 _fio_input
= _fio_stack
[_fio_stack_size
].s_file
;
2203 if (_fio_stack_size
== 0) {
2204 if (pstate
& PS_LOADING
)
2205 pstate
|= PS_SOURCING
;
2207 pstate
&= ~PS_SOURCING
;