1*4d131170SRobert Mustacchi /* $Id: main.c,v 1.358 2021/09/04 22:38:46 schwarze Exp $ */
295c635efSGarrett D'Amore /*
3*4d131170SRobert Mustacchi * Copyright (c) 2010-2012, 2014-2021 Ingo Schwarze <schwarze@openbsd.org>
4260e9a87SYuri Pankov * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
5260e9a87SYuri Pankov * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
695c635efSGarrett D'Amore *
795c635efSGarrett D'Amore * Permission to use, copy, modify, and distribute this software for any
895c635efSGarrett D'Amore * purpose with or without fee is hereby granted, provided that the above
995c635efSGarrett D'Amore * copyright notice and this permission notice appear in all copies.
1095c635efSGarrett D'Amore *
11371584c2SYuri Pankov * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1295c635efSGarrett D'Amore * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13371584c2SYuri Pankov * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1495c635efSGarrett D'Amore * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
1595c635efSGarrett D'Amore * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
1695c635efSGarrett D'Amore * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1795c635efSGarrett D'Amore * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18*4d131170SRobert Mustacchi *
19*4d131170SRobert Mustacchi * Main program for mandoc(1), man(1), apropos(1), whatis(1), and help(1).
2095c635efSGarrett D'Amore */
2195c635efSGarrett D'Amore #include "config.h"
22260e9a87SYuri Pankov
23260e9a87SYuri Pankov #include <sys/types.h>
246640c13bSYuri Pankov #include <sys/ioctl.h>
25260e9a87SYuri Pankov #include <sys/param.h> /* MACHINE */
26*4d131170SRobert Mustacchi #include <sys/stat.h>
27260e9a87SYuri Pankov #include <sys/wait.h>
2895c635efSGarrett D'Amore
2995c635efSGarrett D'Amore #include <assert.h>
30260e9a87SYuri Pankov #include <ctype.h>
31371584c2SYuri Pankov #if HAVE_ERR
32371584c2SYuri Pankov #include <err.h>
33371584c2SYuri Pankov #endif
34260e9a87SYuri Pankov #include <errno.h>
35260e9a87SYuri Pankov #include <fcntl.h>
36260e9a87SYuri Pankov #include <glob.h>
37*4d131170SRobert Mustacchi #include <limits.h>
38371584c2SYuri Pankov #if HAVE_SANDBOX_INIT
39371584c2SYuri Pankov #include <sandbox.h>
40371584c2SYuri Pankov #endif
41371584c2SYuri Pankov #include <signal.h>
4295c635efSGarrett D'Amore #include <stdio.h>
4395c635efSGarrett D'Amore #include <stdint.h>
4495c635efSGarrett D'Amore #include <stdlib.h>
4595c635efSGarrett D'Amore #include <string.h>
46cec8643bSMichal Nowak #include <termios.h>
47371584c2SYuri Pankov #include <time.h>
4895c635efSGarrett D'Amore #include <unistd.h>
4995c635efSGarrett D'Amore
50260e9a87SYuri Pankov #include "mandoc_aux.h"
51371584c2SYuri Pankov #include "mandoc.h"
52c66b8046SYuri Pankov #include "mandoc_xr.h"
53371584c2SYuri Pankov #include "roff.h"
5495c635efSGarrett D'Amore #include "mdoc.h"
5595c635efSGarrett D'Amore #include "man.h"
56cec8643bSMichal Nowak #include "mandoc_parse.h"
57371584c2SYuri Pankov #include "tag.h"
58*4d131170SRobert Mustacchi #include "term_tag.h"
59371584c2SYuri Pankov #include "main.h"
60371584c2SYuri Pankov #include "manconf.h"
61260e9a87SYuri Pankov #include "mansearch.h"
6295c635efSGarrett D'Amore
63260e9a87SYuri Pankov enum outmode {
64260e9a87SYuri Pankov OUTMODE_DEF = 0,
65260e9a87SYuri Pankov OUTMODE_FLN,
66260e9a87SYuri Pankov OUTMODE_LST,
67260e9a87SYuri Pankov OUTMODE_ALL,
68260e9a87SYuri Pankov OUTMODE_ONE
69260e9a87SYuri Pankov };
70260e9a87SYuri Pankov
7195c635efSGarrett D'Amore enum outt {
7295c635efSGarrett D'Amore OUTT_ASCII = 0, /* -Tascii */
7395c635efSGarrett D'Amore OUTT_LOCALE, /* -Tlocale */
7495c635efSGarrett D'Amore OUTT_UTF8, /* -Tutf8 */
7595c635efSGarrett D'Amore OUTT_TREE, /* -Ttree */
7695c635efSGarrett D'Amore OUTT_MAN, /* -Tman */
7795c635efSGarrett D'Amore OUTT_HTML, /* -Thtml */
78c66b8046SYuri Pankov OUTT_MARKDOWN, /* -Tmarkdown */
7995c635efSGarrett D'Amore OUTT_LINT, /* -Tlint */
8095c635efSGarrett D'Amore OUTT_PS, /* -Tps */
8195c635efSGarrett D'Amore OUTT_PDF /* -Tpdf */
8295c635efSGarrett D'Amore };
8395c635efSGarrett D'Amore
84*4d131170SRobert Mustacchi struct outstate {
85*4d131170SRobert Mustacchi struct tag_files *tag_files; /* Tagging state variables. */
86c66b8046SYuri Pankov void *outdata; /* data for output */
87*4d131170SRobert Mustacchi int use_pager;
8895c635efSGarrett D'Amore int wstop; /* stop after a file with a warning */
89*4d131170SRobert Mustacchi int had_output; /* Some output was generated. */
90260e9a87SYuri Pankov enum outt outtype; /* which output to use */
9195c635efSGarrett D'Amore };
9295c635efSGarrett D'Amore
93a5934736SYuri Pankov
94a5934736SYuri Pankov int mandocdb(int, char *[]);
95a5934736SYuri Pankov
96*4d131170SRobert Mustacchi static void check_xr(struct manpaths *);
97*4d131170SRobert Mustacchi static void fs_append(char **, size_t, int,
98*4d131170SRobert Mustacchi size_t, const char *, enum form,
99*4d131170SRobert Mustacchi struct manpage **, size_t *);
100*4d131170SRobert Mustacchi static int fs_lookup(const struct manpaths *, size_t,
101*4d131170SRobert Mustacchi const char *, const char *, const char *,
102260e9a87SYuri Pankov struct manpage **, size_t *);
103c66b8046SYuri Pankov static int fs_search(const struct mansearch *,
104*4d131170SRobert Mustacchi const struct manpaths *, const char *,
105260e9a87SYuri Pankov struct manpage **, size_t *);
106*4d131170SRobert Mustacchi static void glob_esc(char **, const char *, const char *);
107*4d131170SRobert Mustacchi static void outdata_alloc(struct outstate *, struct manoutput *);
108*4d131170SRobert Mustacchi static void parse(struct mparse *, int, const char *,
109*4d131170SRobert Mustacchi struct outstate *, struct manconf *);
110*4d131170SRobert Mustacchi static void passthrough(int, int);
111*4d131170SRobert Mustacchi static void process_onefile(struct mparse *, struct manpage *,
112*4d131170SRobert Mustacchi int, struct outstate *, struct manconf *);
113*4d131170SRobert Mustacchi static void run_pager(struct outstate *, char *);
114*4d131170SRobert Mustacchi static pid_t spawn_pager(struct outstate *, char *);
115a40ea1a7SYuri Pankov static void usage(enum argmode) __attribute__((__noreturn__));
116*4d131170SRobert Mustacchi static int woptions(char *, enum mandoc_os *, int *);
11795c635efSGarrett D'Amore
118260e9a87SYuri Pankov static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
119260e9a87SYuri Pankov static char help_arg[] = "help";
120260e9a87SYuri Pankov static char *help_argv[] = {help_arg, NULL};
12195c635efSGarrett D'Amore
122260e9a87SYuri Pankov
12395c635efSGarrett D'Amore int
main(int argc,char * argv[])12495c635efSGarrett D'Amore main(int argc, char *argv[])
12595c635efSGarrett D'Amore {
126*4d131170SRobert Mustacchi struct manconf conf; /* Manpaths and output options. */
127*4d131170SRobert Mustacchi struct outstate outst; /* Output state. */
128*4d131170SRobert Mustacchi struct winsize ws; /* Result of ioctl(TIOCGWINSZ). */
129*4d131170SRobert Mustacchi struct mansearch search; /* Search options. */
130*4d131170SRobert Mustacchi struct manpage *res; /* Complete list of search results. */
131*4d131170SRobert Mustacchi struct manpage *resn; /* Search results for one name. */
132*4d131170SRobert Mustacchi struct mparse *mp; /* Opaque parser object. */
133*4d131170SRobert Mustacchi const char *conf_file; /* -C: alternate config file. */
134*4d131170SRobert Mustacchi const char *os_s; /* -I: Operating system for display. */
135*4d131170SRobert Mustacchi const char *progname, *sec, *ep;
136*4d131170SRobert Mustacchi char *defpaths; /* -M: override manpaths. */
137*4d131170SRobert Mustacchi char *auxpaths; /* -m: additional manpaths. */
138*4d131170SRobert Mustacchi char *oarg; /* -O: output option string. */
139*4d131170SRobert Mustacchi char *tagarg; /* -O tag: default value. */
140a40ea1a7SYuri Pankov unsigned char *uc;
141*4d131170SRobert Mustacchi size_t ressz; /* Number of elements in res[]. */
142*4d131170SRobert Mustacchi size_t resnsz; /* Number of elements in resn[]. */
143*4d131170SRobert Mustacchi size_t i, ib, ssz;
144*4d131170SRobert Mustacchi int options; /* Parser options. */
145*4d131170SRobert Mustacchi int show_usage; /* Invalid argument: give up. */
146371584c2SYuri Pankov int prio, best_prio;
147*4d131170SRobert Mustacchi int startdir;
148260e9a87SYuri Pankov int c;
149*4d131170SRobert Mustacchi enum mandoc_os os_e; /* Check base system conventions. */
150*4d131170SRobert Mustacchi enum outmode outmode; /* According to command line. */
15195c635efSGarrett D'Amore
152371584c2SYuri Pankov #if HAVE_PROGNAME
153371584c2SYuri Pankov progname = getprogname();
154371584c2SYuri Pankov #else
155260e9a87SYuri Pankov if (argc < 1)
156371584c2SYuri Pankov progname = mandoc_strdup("mandoc");
157260e9a87SYuri Pankov else if ((progname = strrchr(argv[0], '/')) == NULL)
15895c635efSGarrett D'Amore progname = argv[0];
15995c635efSGarrett D'Amore else
16095c635efSGarrett D'Amore ++progname;
161371584c2SYuri Pankov setprogname(progname);
162371584c2SYuri Pankov #endif
16395c635efSGarrett D'Amore
164cec8643bSMichal Nowak mandoc_msg_setoutfile(stderr);
165371584c2SYuri Pankov if (strncmp(progname, "mandocdb", 8) == 0 ||
166371584c2SYuri Pankov strcmp(progname, BINM_MAKEWHATIS) == 0)
167371584c2SYuri Pankov return mandocdb(argc, argv);
168371584c2SYuri Pankov
169371584c2SYuri Pankov #if HAVE_PLEDGE
170*4d131170SRobert Mustacchi if (pledge("stdio rpath wpath cpath tmppath tty proc exec", NULL) == -1) {
171*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno));
172*4d131170SRobert Mustacchi return mandoc_msg_getrc();
173*4d131170SRobert Mustacchi }
174371584c2SYuri Pankov #endif
175371584c2SYuri Pankov #if HAVE_SANDBOX_INIT
176371584c2SYuri Pankov if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1)
177371584c2SYuri Pankov errx((int)MANDOCLEVEL_SYSERR, "sandbox_init");
178260e9a87SYuri Pankov #endif
179260e9a87SYuri Pankov
180260e9a87SYuri Pankov /* Search options. */
18195c635efSGarrett D'Amore
182371584c2SYuri Pankov memset(&conf, 0, sizeof(conf));
183*4d131170SRobert Mustacchi conf_file = NULL;
184*4d131170SRobert Mustacchi defpaths = auxpaths = NULL;
185260e9a87SYuri Pankov
186260e9a87SYuri Pankov memset(&search, 0, sizeof(struct mansearch));
187260e9a87SYuri Pankov search.outkey = "Nd";
188a40ea1a7SYuri Pankov oarg = NULL;
189260e9a87SYuri Pankov
190260e9a87SYuri Pankov if (strcmp(progname, BINM_MAN) == 0)
191260e9a87SYuri Pankov search.argmode = ARG_NAME;
192260e9a87SYuri Pankov else if (strcmp(progname, BINM_APROPOS) == 0)
193260e9a87SYuri Pankov search.argmode = ARG_EXPR;
194260e9a87SYuri Pankov else if (strcmp(progname, BINM_WHATIS) == 0)
195260e9a87SYuri Pankov search.argmode = ARG_WORD;
196260e9a87SYuri Pankov else if (strncmp(progname, "help", 4) == 0)
197260e9a87SYuri Pankov search.argmode = ARG_NAME;
198260e9a87SYuri Pankov else
199260e9a87SYuri Pankov search.argmode = ARG_FILE;
200260e9a87SYuri Pankov
201*4d131170SRobert Mustacchi /* Parser options. */
202260e9a87SYuri Pankov
203260e9a87SYuri Pankov options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1;
204*4d131170SRobert Mustacchi os_e = MANDOC_OS_OTHER;
205*4d131170SRobert Mustacchi os_s = NULL;
206*4d131170SRobert Mustacchi
207*4d131170SRobert Mustacchi /* Formatter options. */
208*4d131170SRobert Mustacchi
209*4d131170SRobert Mustacchi memset(&outst, 0, sizeof(outst));
210*4d131170SRobert Mustacchi outst.tag_files = NULL;
211*4d131170SRobert Mustacchi outst.outtype = OUTT_LOCALE;
212*4d131170SRobert Mustacchi outst.use_pager = 1;
21395c635efSGarrett D'Amore
214260e9a87SYuri Pankov show_usage = 0;
215260e9a87SYuri Pankov outmode = OUTMODE_DEF;
216260e9a87SYuri Pankov
217c66b8046SYuri Pankov while ((c = getopt(argc, argv,
218c66b8046SYuri Pankov "aC:cfhI:iK:klM:m:O:S:s:T:VW:w")) != -1) {
219c66b8046SYuri Pankov if (c == 'i' && search.argmode == ARG_EXPR) {
220c66b8046SYuri Pankov optind--;
221c66b8046SYuri Pankov break;
222c66b8046SYuri Pankov }
22395c635efSGarrett D'Amore switch (c) {
224260e9a87SYuri Pankov case 'a':
225260e9a87SYuri Pankov outmode = OUTMODE_ALL;
226260e9a87SYuri Pankov break;
227260e9a87SYuri Pankov case 'C':
228260e9a87SYuri Pankov conf_file = optarg;
229260e9a87SYuri Pankov break;
230260e9a87SYuri Pankov case 'c':
231*4d131170SRobert Mustacchi outst.use_pager = 0;
232260e9a87SYuri Pankov break;
233260e9a87SYuri Pankov case 'f':
234260e9a87SYuri Pankov search.argmode = ARG_WORD;
235260e9a87SYuri Pankov break;
236260e9a87SYuri Pankov case 'h':
237371584c2SYuri Pankov conf.output.synopsisonly = 1;
238*4d131170SRobert Mustacchi outst.use_pager = 0;
239260e9a87SYuri Pankov outmode = OUTMODE_ALL;
240260e9a87SYuri Pankov break;
241260e9a87SYuri Pankov case 'I':
242*4d131170SRobert Mustacchi if (strncmp(optarg, "os=", 3) != 0) {
243*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
244*4d131170SRobert Mustacchi "-I %s", optarg);
245*4d131170SRobert Mustacchi return mandoc_msg_getrc();
246698f87a4SGarrett D'Amore }
247*4d131170SRobert Mustacchi if (os_s != NULL) {
248*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_BADARG_DUPE, 0, 0,
249*4d131170SRobert Mustacchi "-I %s", optarg);
250*4d131170SRobert Mustacchi return mandoc_msg_getrc();
251698f87a4SGarrett D'Amore }
252*4d131170SRobert Mustacchi os_s = optarg + 3;
253260e9a87SYuri Pankov break;
254260e9a87SYuri Pankov case 'K':
255*4d131170SRobert Mustacchi options &= ~(MPARSE_UTF8 | MPARSE_LATIN1);
256*4d131170SRobert Mustacchi if (strcmp(optarg, "utf-8") == 0)
257*4d131170SRobert Mustacchi options |= MPARSE_UTF8;
258*4d131170SRobert Mustacchi else if (strcmp(optarg, "iso-8859-1") == 0)
259*4d131170SRobert Mustacchi options |= MPARSE_LATIN1;
260*4d131170SRobert Mustacchi else if (strcmp(optarg, "us-ascii") != 0) {
261*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
262*4d131170SRobert Mustacchi "-K %s", optarg);
263*4d131170SRobert Mustacchi return mandoc_msg_getrc();
264*4d131170SRobert Mustacchi }
26595c635efSGarrett D'Amore break;
266260e9a87SYuri Pankov case 'k':
267260e9a87SYuri Pankov search.argmode = ARG_EXPR;
268260e9a87SYuri Pankov break;
269260e9a87SYuri Pankov case 'l':
270260e9a87SYuri Pankov search.argmode = ARG_FILE;
271260e9a87SYuri Pankov outmode = OUTMODE_ALL;
272260e9a87SYuri Pankov break;
273260e9a87SYuri Pankov case 'M':
274260e9a87SYuri Pankov defpaths = optarg;
275260e9a87SYuri Pankov break;
276260e9a87SYuri Pankov case 'm':
277260e9a87SYuri Pankov auxpaths = optarg;
278260e9a87SYuri Pankov break;
279260e9a87SYuri Pankov case 'O':
280a40ea1a7SYuri Pankov oarg = optarg;
28195c635efSGarrett D'Amore break;
282260e9a87SYuri Pankov case 'S':
283260e9a87SYuri Pankov search.arch = optarg;
284260e9a87SYuri Pankov break;
285260e9a87SYuri Pankov case 's':
286260e9a87SYuri Pankov search.sec = optarg;
287260e9a87SYuri Pankov break;
288260e9a87SYuri Pankov case 'T':
289*4d131170SRobert Mustacchi if (strcmp(optarg, "ascii") == 0)
290*4d131170SRobert Mustacchi outst.outtype = OUTT_ASCII;
291*4d131170SRobert Mustacchi else if (strcmp(optarg, "lint") == 0) {
292*4d131170SRobert Mustacchi outst.outtype = OUTT_LINT;
293*4d131170SRobert Mustacchi mandoc_msg_setoutfile(stdout);
294*4d131170SRobert Mustacchi mandoc_msg_setmin(MANDOCERR_BASE);
295*4d131170SRobert Mustacchi } else if (strcmp(optarg, "tree") == 0)
296*4d131170SRobert Mustacchi outst.outtype = OUTT_TREE;
297*4d131170SRobert Mustacchi else if (strcmp(optarg, "man") == 0)
298*4d131170SRobert Mustacchi outst.outtype = OUTT_MAN;
299*4d131170SRobert Mustacchi else if (strcmp(optarg, "html") == 0)
300*4d131170SRobert Mustacchi outst.outtype = OUTT_HTML;
301*4d131170SRobert Mustacchi else if (strcmp(optarg, "markdown") == 0)
302*4d131170SRobert Mustacchi outst.outtype = OUTT_MARKDOWN;
303*4d131170SRobert Mustacchi else if (strcmp(optarg, "utf8") == 0)
304*4d131170SRobert Mustacchi outst.outtype = OUTT_UTF8;
305*4d131170SRobert Mustacchi else if (strcmp(optarg, "locale") == 0)
306*4d131170SRobert Mustacchi outst.outtype = OUTT_LOCALE;
307*4d131170SRobert Mustacchi else if (strcmp(optarg, "ps") == 0)
308*4d131170SRobert Mustacchi outst.outtype = OUTT_PS;
309*4d131170SRobert Mustacchi else if (strcmp(optarg, "pdf") == 0)
310*4d131170SRobert Mustacchi outst.outtype = OUTT_PDF;
311*4d131170SRobert Mustacchi else {
312*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0,
313*4d131170SRobert Mustacchi "-T %s", optarg);
314*4d131170SRobert Mustacchi return mandoc_msg_getrc();
315*4d131170SRobert Mustacchi }
31695c635efSGarrett D'Amore break;
317260e9a87SYuri Pankov case 'W':
318*4d131170SRobert Mustacchi if (woptions(optarg, &os_e, &outst.wstop) == -1)
319*4d131170SRobert Mustacchi return mandoc_msg_getrc();
32095c635efSGarrett D'Amore break;
321260e9a87SYuri Pankov case 'w':
322260e9a87SYuri Pankov outmode = OUTMODE_FLN;
323260e9a87SYuri Pankov break;
32495c635efSGarrett D'Amore default:
325260e9a87SYuri Pankov show_usage = 1;
326260e9a87SYuri Pankov break;
32795c635efSGarrett D'Amore }
328260e9a87SYuri Pankov }
329260e9a87SYuri Pankov
330260e9a87SYuri Pankov if (show_usage)
331260e9a87SYuri Pankov usage(search.argmode);
33295c635efSGarrett D'Amore
333260e9a87SYuri Pankov /* Postprocess options. */
334260e9a87SYuri Pankov
335*4d131170SRobert Mustacchi switch (outmode) {
336*4d131170SRobert Mustacchi case OUTMODE_DEF:
337260e9a87SYuri Pankov switch (search.argmode) {
338260e9a87SYuri Pankov case ARG_FILE:
339260e9a87SYuri Pankov outmode = OUTMODE_ALL;
340*4d131170SRobert Mustacchi outst.use_pager = 0;
341260e9a87SYuri Pankov break;
342260e9a87SYuri Pankov case ARG_NAME:
343260e9a87SYuri Pankov outmode = OUTMODE_ONE;
344260e9a87SYuri Pankov break;
345260e9a87SYuri Pankov default:
346260e9a87SYuri Pankov outmode = OUTMODE_LST;
347260e9a87SYuri Pankov break;
348260e9a87SYuri Pankov }
349*4d131170SRobert Mustacchi break;
350*4d131170SRobert Mustacchi case OUTMODE_FLN:
351*4d131170SRobert Mustacchi if (search.argmode == ARG_FILE)
352*4d131170SRobert Mustacchi outmode = OUTMODE_ALL;
353*4d131170SRobert Mustacchi break;
354*4d131170SRobert Mustacchi case OUTMODE_ALL:
355*4d131170SRobert Mustacchi break;
356*4d131170SRobert Mustacchi case OUTMODE_LST:
357*4d131170SRobert Mustacchi case OUTMODE_ONE:
358*4d131170SRobert Mustacchi abort();
359260e9a87SYuri Pankov }
360260e9a87SYuri Pankov
361a40ea1a7SYuri Pankov if (oarg != NULL) {
362a40ea1a7SYuri Pankov if (outmode == OUTMODE_LST)
363a40ea1a7SYuri Pankov search.outkey = oarg;
364a40ea1a7SYuri Pankov else {
365a40ea1a7SYuri Pankov while (oarg != NULL) {
366a40ea1a7SYuri Pankov if (manconf_output(&conf.output,
367*4d131170SRobert Mustacchi strsep(&oarg, ","), 0) == -1)
368*4d131170SRobert Mustacchi return mandoc_msg_getrc();
369a40ea1a7SYuri Pankov }
370a40ea1a7SYuri Pankov }
371a40ea1a7SYuri Pankov }
372a40ea1a7SYuri Pankov
373*4d131170SRobert Mustacchi if (outst.outtype != OUTT_TREE || conf.output.noval == 0)
374cec8643bSMichal Nowak options |= MPARSE_VALIDATE;
375cec8643bSMichal Nowak
376371584c2SYuri Pankov if (outmode == OUTMODE_FLN ||
377371584c2SYuri Pankov outmode == OUTMODE_LST ||
378*4d131170SRobert Mustacchi (conf.output.outfilename == NULL &&
379*4d131170SRobert Mustacchi conf.output.tagfilename == NULL &&
380*4d131170SRobert Mustacchi isatty(STDOUT_FILENO) == 0))
381*4d131170SRobert Mustacchi outst.use_pager = 0;
382371584c2SYuri Pankov
383*4d131170SRobert Mustacchi if (outst.use_pager &&
3846640c13bSYuri Pankov (conf.output.width == 0 || conf.output.indent == 0) &&
3856640c13bSYuri Pankov ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1 &&
3866640c13bSYuri Pankov ws.ws_col > 1) {
3876640c13bSYuri Pankov if (conf.output.width == 0 && ws.ws_col < 79)
3886640c13bSYuri Pankov conf.output.width = ws.ws_col - 1;
3896640c13bSYuri Pankov if (conf.output.indent == 0 && ws.ws_col < 66)
3906640c13bSYuri Pankov conf.output.indent = 3;
3916640c13bSYuri Pankov }
3926640c13bSYuri Pankov
393371584c2SYuri Pankov #if HAVE_PLEDGE
394*4d131170SRobert Mustacchi if (outst.use_pager == 0)
395*4d131170SRobert Mustacchi c = pledge("stdio rpath", NULL);
396*4d131170SRobert Mustacchi else if (conf.output.outfilename != NULL ||
397*4d131170SRobert Mustacchi conf.output.tagfilename != NULL)
398*4d131170SRobert Mustacchi c = pledge("stdio rpath wpath cpath", NULL);
399*4d131170SRobert Mustacchi else
400*4d131170SRobert Mustacchi c = pledge("stdio rpath tmppath tty proc exec", NULL);
401*4d131170SRobert Mustacchi if (c == -1) {
402*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_PLEDGE, 0, 0, "%s", strerror(errno));
403*4d131170SRobert Mustacchi return mandoc_msg_getrc();
404*4d131170SRobert Mustacchi }
405371584c2SYuri Pankov #endif
406371584c2SYuri Pankov
407260e9a87SYuri Pankov /* Parse arguments. */
408260e9a87SYuri Pankov
409260e9a87SYuri Pankov if (argc > 0) {
410260e9a87SYuri Pankov argc -= optind;
411260e9a87SYuri Pankov argv += optind;
412260e9a87SYuri Pankov }
413260e9a87SYuri Pankov
414260e9a87SYuri Pankov /*
415*4d131170SRobert Mustacchi * Quirks for help(1) and man(1),
416*4d131170SRobert Mustacchi * in particular for a section argument without -s.
417260e9a87SYuri Pankov */
418260e9a87SYuri Pankov
419260e9a87SYuri Pankov if (search.argmode == ARG_NAME) {
420260e9a87SYuri Pankov if (*progname == 'h') {
421260e9a87SYuri Pankov if (argc == 0) {
422260e9a87SYuri Pankov argv = help_argv;
423260e9a87SYuri Pankov argc = 1;
424260e9a87SYuri Pankov }
425260e9a87SYuri Pankov } else if (argc > 1 &&
426260e9a87SYuri Pankov ((uc = (unsigned char *)argv[0]) != NULL) &&
427260e9a87SYuri Pankov ((isdigit(uc[0]) && (uc[1] == '\0' ||
428*4d131170SRobert Mustacchi isalpha(uc[1]))) ||
429260e9a87SYuri Pankov (uc[0] == 'n' && uc[1] == '\0'))) {
430260e9a87SYuri Pankov search.sec = (char *)uc;
431260e9a87SYuri Pankov argv++;
432260e9a87SYuri Pankov argc--;
433260e9a87SYuri Pankov }
434260e9a87SYuri Pankov if (search.arch == NULL)
435260e9a87SYuri Pankov search.arch = getenv("MACHINE");
436260e9a87SYuri Pankov #ifdef MACHINE
437260e9a87SYuri Pankov if (search.arch == NULL)
438260e9a87SYuri Pankov search.arch = MACHINE;
439260e9a87SYuri Pankov #endif
440*4d131170SRobert Mustacchi if (outmode == OUTMODE_ONE)
441*4d131170SRobert Mustacchi search.firstmatch = 1;
442260e9a87SYuri Pankov }
443260e9a87SYuri Pankov
444cec8643bSMichal Nowak /*
445cec8643bSMichal Nowak * Use the first argument for -O tag in addition to
446cec8643bSMichal Nowak * using it as a search term for man(1) or apropos(1).
447cec8643bSMichal Nowak */
448cec8643bSMichal Nowak
449cec8643bSMichal Nowak if (conf.output.tag != NULL && *conf.output.tag == '\0') {
450cec8643bSMichal Nowak tagarg = argc > 0 && search.argmode == ARG_EXPR ?
451cec8643bSMichal Nowak strchr(*argv, '=') : NULL;
452cec8643bSMichal Nowak conf.output.tag = tagarg == NULL ? *argv : tagarg + 1;
453cec8643bSMichal Nowak }
454260e9a87SYuri Pankov
455*4d131170SRobert Mustacchi /* Read the configuration file. */
456260e9a87SYuri Pankov
457*4d131170SRobert Mustacchi if (search.argmode != ARG_FILE ||
458*4d131170SRobert Mustacchi mandoc_msg_getmin() == MANDOCERR_STYLE)
459371584c2SYuri Pankov manconf_parse(&conf, conf_file, defpaths, auxpaths);
460260e9a87SYuri Pankov
461*4d131170SRobert Mustacchi /* man(1): Resolve each name individually. */
4626640c13bSYuri Pankov
463*4d131170SRobert Mustacchi if (search.argmode == ARG_NAME) {
464*4d131170SRobert Mustacchi if (argc < 1) {
465*4d131170SRobert Mustacchi if (outmode != OUTMODE_FLN)
466*4d131170SRobert Mustacchi usage(ARG_NAME);
467*4d131170SRobert Mustacchi if (conf.manpath.sz == 0) {
468*4d131170SRobert Mustacchi warnx("The manpath is empty.");
469*4d131170SRobert Mustacchi mandoc_msg_setrc(MANDOCLEVEL_BADARG);
470*4d131170SRobert Mustacchi } else {
471*4d131170SRobert Mustacchi for (i = 0; i + 1 < conf.manpath.sz; i++)
472*4d131170SRobert Mustacchi printf("%s:", conf.manpath.paths[i]);
473*4d131170SRobert Mustacchi printf("%s\n", conf.manpath.paths[i]);
474*4d131170SRobert Mustacchi }
475*4d131170SRobert Mustacchi manconf_free(&conf);
476*4d131170SRobert Mustacchi return (int)mandoc_msg_getrc();
477*4d131170SRobert Mustacchi }
478*4d131170SRobert Mustacchi for (res = NULL, ressz = 0; argc > 0; argc--, argv++) {
479*4d131170SRobert Mustacchi (void)mansearch(&search, &conf.manpath,
480*4d131170SRobert Mustacchi 1, argv, &resn, &resnsz);
481*4d131170SRobert Mustacchi if (resnsz == 0)
482*4d131170SRobert Mustacchi (void)fs_search(&search, &conf.manpath,
483*4d131170SRobert Mustacchi *argv, &resn, &resnsz);
484*4d131170SRobert Mustacchi if (resnsz == 0 && strchr(*argv, '/') == NULL) {
485*4d131170SRobert Mustacchi if (search.arch != NULL &&
486*4d131170SRobert Mustacchi arch_valid(search.arch, OSENUM) == 0)
487*4d131170SRobert Mustacchi warnx("Unknown architecture \"%s\".",
488*4d131170SRobert Mustacchi search.arch);
489*4d131170SRobert Mustacchi else if (search.sec != NULL)
490*4d131170SRobert Mustacchi warnx("No entry for %s in "
491*4d131170SRobert Mustacchi "section %s of the manual.",
492*4d131170SRobert Mustacchi *argv, search.sec);
493*4d131170SRobert Mustacchi else
494*4d131170SRobert Mustacchi warnx("No entry for %s in "
495*4d131170SRobert Mustacchi "the manual.", *argv);
496*4d131170SRobert Mustacchi mandoc_msg_setrc(MANDOCLEVEL_BADARG);
497*4d131170SRobert Mustacchi continue;
498*4d131170SRobert Mustacchi }
499*4d131170SRobert Mustacchi if (resnsz == 0) {
500*4d131170SRobert Mustacchi if (access(*argv, R_OK) == -1) {
501*4d131170SRobert Mustacchi mandoc_msg_setinfilename(*argv);
502*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_BADARG_BAD,
503*4d131170SRobert Mustacchi 0, 0, "%s", strerror(errno));
504*4d131170SRobert Mustacchi mandoc_msg_setinfilename(NULL);
5056640c13bSYuri Pankov continue;
5066640c13bSYuri Pankov }
507*4d131170SRobert Mustacchi resnsz = 1;
508*4d131170SRobert Mustacchi resn = mandoc_calloc(resnsz, sizeof(*res));
509*4d131170SRobert Mustacchi resn->file = mandoc_strdup(*argv);
510*4d131170SRobert Mustacchi resn->ipath = SIZE_MAX;
511*4d131170SRobert Mustacchi resn->form = FORM_SRC;
512*4d131170SRobert Mustacchi }
513*4d131170SRobert Mustacchi if (outmode != OUTMODE_ONE || resnsz == 1) {
5146640c13bSYuri Pankov res = mandoc_reallocarray(res,
515*4d131170SRobert Mustacchi ressz + resnsz, sizeof(*res));
516*4d131170SRobert Mustacchi memcpy(res + ressz, resn,
517*4d131170SRobert Mustacchi sizeof(*resn) * resnsz);
518*4d131170SRobert Mustacchi ressz += resnsz;
519*4d131170SRobert Mustacchi continue;
5206640c13bSYuri Pankov }
521260e9a87SYuri Pankov
522*4d131170SRobert Mustacchi /* Search for the best section. */
523260e9a87SYuri Pankov
524*4d131170SRobert Mustacchi best_prio = 40;
525*4d131170SRobert Mustacchi for (ib = i = 0; i < resnsz; i++) {
526*4d131170SRobert Mustacchi sec = resn[i].file;
527371584c2SYuri Pankov sec += strcspn(sec, "123456789");
528371584c2SYuri Pankov if (sec[0] == '\0')
529*4d131170SRobert Mustacchi continue; /* No section at all. */
530371584c2SYuri Pankov prio = sec_prios[sec[0] - '1'];
531*4d131170SRobert Mustacchi if (search.sec != NULL) {
532*4d131170SRobert Mustacchi ssz = strlen(search.sec);
533*4d131170SRobert Mustacchi if (strncmp(sec, search.sec, ssz) == 0)
534*4d131170SRobert Mustacchi sec += ssz;
535*4d131170SRobert Mustacchi } else
536*4d131170SRobert Mustacchi sec++; /* Prefer without suffix. */
537*4d131170SRobert Mustacchi if (*sec != '/')
538*4d131170SRobert Mustacchi prio += 10; /* Wrong dir name. */
539*4d131170SRobert Mustacchi if (search.sec != NULL) {
540*4d131170SRobert Mustacchi ep = strchr(sec, '\0');
541*4d131170SRobert Mustacchi if (ep - sec > 3 &&
542*4d131170SRobert Mustacchi strncmp(ep - 3, ".gz", 3) == 0)
543*4d131170SRobert Mustacchi ep -= 3;
544*4d131170SRobert Mustacchi if ((size_t)(ep - sec) < ssz + 3 ||
545*4d131170SRobert Mustacchi strncmp(ep - ssz, search.sec,
546*4d131170SRobert Mustacchi ssz) != 0) /* Wrong file */
547*4d131170SRobert Mustacchi prio += 20; /* extension. */
548*4d131170SRobert Mustacchi }
549260e9a87SYuri Pankov if (prio >= best_prio)
550260e9a87SYuri Pankov continue;
551260e9a87SYuri Pankov best_prio = prio;
552*4d131170SRobert Mustacchi ib = i;
553260e9a87SYuri Pankov }
554*4d131170SRobert Mustacchi res = mandoc_reallocarray(res, ressz + 1,
555*4d131170SRobert Mustacchi sizeof(*res));
556*4d131170SRobert Mustacchi memcpy(res + ressz++, resn + ib, sizeof(*resn));
557260e9a87SYuri Pankov }
558260e9a87SYuri Pankov
559*4d131170SRobert Mustacchi /* apropos(1), whatis(1): Process the full search expression. */
560260e9a87SYuri Pankov
561*4d131170SRobert Mustacchi } else if (search.argmode != ARG_FILE) {
562*4d131170SRobert Mustacchi if (mansearch(&search, &conf.manpath,
563*4d131170SRobert Mustacchi argc, argv, &res, &ressz) == 0)
564*4d131170SRobert Mustacchi usage(search.argmode);
565*4d131170SRobert Mustacchi
566*4d131170SRobert Mustacchi if (ressz == 0) {
567*4d131170SRobert Mustacchi warnx("nothing appropriate");
568*4d131170SRobert Mustacchi mandoc_msg_setrc(MANDOCLEVEL_BADARG);
569260e9a87SYuri Pankov goto out;
570*4d131170SRobert Mustacchi }
571260e9a87SYuri Pankov
572*4d131170SRobert Mustacchi /* mandoc(1): Take command line arguments as file names. */
573260e9a87SYuri Pankov
574371584c2SYuri Pankov } else {
575*4d131170SRobert Mustacchi ressz = argc > 0 ? argc : 1;
576*4d131170SRobert Mustacchi res = mandoc_calloc(ressz, sizeof(*res));
577*4d131170SRobert Mustacchi for (i = 0; i < ressz; i++) {
578*4d131170SRobert Mustacchi if (argc > 0)
579*4d131170SRobert Mustacchi res[i].file = mandoc_strdup(argv[i]);
580*4d131170SRobert Mustacchi res[i].ipath = SIZE_MAX;
581*4d131170SRobert Mustacchi res[i].form = FORM_SRC;
582*4d131170SRobert Mustacchi }
583371584c2SYuri Pankov }
584260e9a87SYuri Pankov
585*4d131170SRobert Mustacchi switch (outmode) {
586*4d131170SRobert Mustacchi case OUTMODE_FLN:
587*4d131170SRobert Mustacchi for (i = 0; i < ressz; i++)
588*4d131170SRobert Mustacchi puts(res[i].file);
589*4d131170SRobert Mustacchi goto out;
590*4d131170SRobert Mustacchi case OUTMODE_LST:
591*4d131170SRobert Mustacchi for (i = 0; i < ressz; i++)
592*4d131170SRobert Mustacchi printf("%s - %s\n", res[i].names,
593*4d131170SRobert Mustacchi res[i].output == NULL ? "" :
594*4d131170SRobert Mustacchi res[i].output);
595*4d131170SRobert Mustacchi goto out;
596*4d131170SRobert Mustacchi default:
597*4d131170SRobert Mustacchi break;
598*4d131170SRobert Mustacchi }
59995c635efSGarrett D'Amore
600*4d131170SRobert Mustacchi if (search.argmode == ARG_FILE && auxpaths != NULL) {
601*4d131170SRobert Mustacchi if (strcmp(auxpaths, "doc") == 0)
602*4d131170SRobert Mustacchi options |= MPARSE_MDOC;
603*4d131170SRobert Mustacchi else if (strcmp(auxpaths, "an") == 0)
604*4d131170SRobert Mustacchi options |= MPARSE_MAN;
605260e9a87SYuri Pankov }
60695c635efSGarrett D'Amore
607*4d131170SRobert Mustacchi mchars_alloc();
608*4d131170SRobert Mustacchi mp = mparse_alloc(options, os_e, os_s);
609*4d131170SRobert Mustacchi
6106640c13bSYuri Pankov /*
6116640c13bSYuri Pankov * Remember the original working directory, if possible.
6126640c13bSYuri Pankov * This will be needed if some names on the command line
6136640c13bSYuri Pankov * are page names and some are relative file names.
6146640c13bSYuri Pankov * Do not error out if the current directory is not
6156640c13bSYuri Pankov * readable: Maybe it won't be needed after all.
6166640c13bSYuri Pankov */
6176640c13bSYuri Pankov startdir = open(".", O_RDONLY | O_DIRECTORY);
618*4d131170SRobert Mustacchi for (i = 0; i < ressz; i++) {
619*4d131170SRobert Mustacchi process_onefile(mp, res + i, startdir, &outst, &conf);
620*4d131170SRobert Mustacchi if (outst.wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
62195c635efSGarrett D'Amore break;
62295c635efSGarrett D'Amore }
6236640c13bSYuri Pankov if (startdir != -1) {
6246640c13bSYuri Pankov (void)fchdir(startdir);
6256640c13bSYuri Pankov close(startdir);
6266640c13bSYuri Pankov }
627*4d131170SRobert Mustacchi if (conf.output.tag != NULL && conf.output.tag_found == 0) {
628*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_TAG, 0, 0, "%s", conf.output.tag);
629*4d131170SRobert Mustacchi conf.output.tag = NULL;
630*4d131170SRobert Mustacchi }
631*4d131170SRobert Mustacchi if (outst.outdata != NULL) {
632*4d131170SRobert Mustacchi switch (outst.outtype) {
633371584c2SYuri Pankov case OUTT_HTML:
634*4d131170SRobert Mustacchi html_free(outst.outdata);
635371584c2SYuri Pankov break;
636371584c2SYuri Pankov case OUTT_UTF8:
637371584c2SYuri Pankov case OUTT_LOCALE:
638371584c2SYuri Pankov case OUTT_ASCII:
639*4d131170SRobert Mustacchi ascii_free(outst.outdata);
640371584c2SYuri Pankov break;
641371584c2SYuri Pankov case OUTT_PDF:
642371584c2SYuri Pankov case OUTT_PS:
643*4d131170SRobert Mustacchi pspdf_free(outst.outdata);
644371584c2SYuri Pankov break;
645371584c2SYuri Pankov default:
646371584c2SYuri Pankov break;
647371584c2SYuri Pankov }
648371584c2SYuri Pankov }
649c66b8046SYuri Pankov mandoc_xr_free();
650*4d131170SRobert Mustacchi mparse_free(mp);
651371584c2SYuri Pankov mchars_free();
652260e9a87SYuri Pankov
653260e9a87SYuri Pankov out:
654*4d131170SRobert Mustacchi mansearch_free(res, ressz);
655*4d131170SRobert Mustacchi if (search.argmode != ARG_FILE)
656371584c2SYuri Pankov manconf_free(&conf);
657371584c2SYuri Pankov
658*4d131170SRobert Mustacchi if (outst.tag_files != NULL) {
659*4d131170SRobert Mustacchi if (term_tag_close() != -1 &&
660*4d131170SRobert Mustacchi conf.output.outfilename == NULL &&
661*4d131170SRobert Mustacchi conf.output.tagfilename == NULL)
662*4d131170SRobert Mustacchi run_pager(&outst, conf.output.tag);
663*4d131170SRobert Mustacchi term_tag_unlink();
664*4d131170SRobert Mustacchi } else if (outst.had_output && outst.outtype != OUTT_LINT)
665*4d131170SRobert Mustacchi mandoc_msg_summary();
666371584c2SYuri Pankov
667cec8643bSMichal Nowak return (int)mandoc_msg_getrc();
66895c635efSGarrett D'Amore }
66995c635efSGarrett D'Amore
67095c635efSGarrett D'Amore static void
usage(enum argmode argmode)671260e9a87SYuri Pankov usage(enum argmode argmode)
67295c635efSGarrett D'Amore {
673260e9a87SYuri Pankov switch (argmode) {
674260e9a87SYuri Pankov case ARG_FILE:
675c66b8046SYuri Pankov fputs("usage: mandoc [-ac] [-I os=name] "
676c66b8046SYuri Pankov "[-K encoding] [-mdoc | -man] [-O options]\n"
677371584c2SYuri Pankov "\t [-T output] [-W level] [file ...]\n", stderr);
678260e9a87SYuri Pankov break;
679260e9a87SYuri Pankov case ARG_NAME:
680c66b8046SYuri Pankov fputs("usage: man [-acfhklw] [-C file] [-M path] "
681c66b8046SYuri Pankov "[-m path] [-S subsection]\n"
682c66b8046SYuri Pankov "\t [[-s] section] name ...\n", stderr);
683260e9a87SYuri Pankov break;
684260e9a87SYuri Pankov case ARG_WORD:
685c66b8046SYuri Pankov fputs("usage: whatis [-afk] [-C file] "
686260e9a87SYuri Pankov "[-M path] [-m path] [-O outkey] [-S arch]\n"
687260e9a87SYuri Pankov "\t [-s section] name ...\n", stderr);
688260e9a87SYuri Pankov break;
689260e9a87SYuri Pankov case ARG_EXPR:
690c66b8046SYuri Pankov fputs("usage: apropos [-afk] [-C file] "
691260e9a87SYuri Pankov "[-M path] [-m path] [-O outkey] [-S arch]\n"
692260e9a87SYuri Pankov "\t [-s section] expression ...\n", stderr);
693260e9a87SYuri Pankov break;
694260e9a87SYuri Pankov }
695260e9a87SYuri Pankov exit((int)MANDOCLEVEL_BADARG);
69695c635efSGarrett D'Amore }
69795c635efSGarrett D'Amore
698*4d131170SRobert Mustacchi static void
glob_esc(char ** dst,const char * src,const char * suffix)699*4d131170SRobert Mustacchi glob_esc(char **dst, const char *src, const char *suffix)
700*4d131170SRobert Mustacchi {
701*4d131170SRobert Mustacchi while (*src != '\0') {
702*4d131170SRobert Mustacchi if (strchr("*?[", *src) != NULL)
703*4d131170SRobert Mustacchi *(*dst)++ = '\\';
704*4d131170SRobert Mustacchi *(*dst)++ = *src++;
705*4d131170SRobert Mustacchi }
706*4d131170SRobert Mustacchi while (*suffix != '\0')
707*4d131170SRobert Mustacchi *(*dst)++ = *suffix++;
708*4d131170SRobert Mustacchi }
709*4d131170SRobert Mustacchi
710*4d131170SRobert Mustacchi static void
fs_append(char ** file,size_t filesz,int copy,size_t ipath,const char * sec,enum form form,struct manpage ** res,size_t * ressz)711*4d131170SRobert Mustacchi fs_append(char **file, size_t filesz, int copy, size_t ipath,
712*4d131170SRobert Mustacchi const char *sec, enum form form, struct manpage **res, size_t *ressz)
713*4d131170SRobert Mustacchi {
714*4d131170SRobert Mustacchi struct manpage *page;
715*4d131170SRobert Mustacchi
716*4d131170SRobert Mustacchi *res = mandoc_reallocarray(*res, *ressz + filesz, sizeof(**res));
717*4d131170SRobert Mustacchi page = *res + *ressz;
718*4d131170SRobert Mustacchi *ressz += filesz;
719*4d131170SRobert Mustacchi for (;;) {
720*4d131170SRobert Mustacchi page->file = copy ? mandoc_strdup(*file) : *file;
721*4d131170SRobert Mustacchi page->names = NULL;
722*4d131170SRobert Mustacchi page->output = NULL;
723*4d131170SRobert Mustacchi page->bits = NAME_FILE & NAME_MASK;
724*4d131170SRobert Mustacchi page->ipath = ipath;
725*4d131170SRobert Mustacchi page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10;
726*4d131170SRobert Mustacchi page->form = form;
727*4d131170SRobert Mustacchi if (--filesz == 0)
728*4d131170SRobert Mustacchi break;
729*4d131170SRobert Mustacchi file++;
730*4d131170SRobert Mustacchi page++;
731*4d131170SRobert Mustacchi }
732*4d131170SRobert Mustacchi }
733*4d131170SRobert Mustacchi
734260e9a87SYuri Pankov static int
fs_lookup(const struct manpaths * paths,size_t ipath,const char * sec,const char * arch,const char * name,struct manpage ** res,size_t * ressz)735260e9a87SYuri Pankov fs_lookup(const struct manpaths *paths, size_t ipath,
736260e9a87SYuri Pankov const char *sec, const char *arch, const char *name,
737260e9a87SYuri Pankov struct manpage **res, size_t *ressz)
73895c635efSGarrett D'Amore {
739*4d131170SRobert Mustacchi struct stat sb;
740260e9a87SYuri Pankov glob_t globinfo;
741*4d131170SRobert Mustacchi char *file, *cp, secnum[2];
742a40ea1a7SYuri Pankov int globres;
743a40ea1a7SYuri Pankov enum form form;
744260e9a87SYuri Pankov
745*4d131170SRobert Mustacchi const char *const slman = "/man";
746*4d131170SRobert Mustacchi const char *const slash = "/";
747*4d131170SRobert Mustacchi const char *const sglob = ".[01-9]*";
748*4d131170SRobert Mustacchi const char *const dot = ".";
749*4d131170SRobert Mustacchi const char *const aster = "*";
750*4d131170SRobert Mustacchi
751*4d131170SRobert Mustacchi memset(&globinfo, 0, sizeof(globinfo));
752260e9a87SYuri Pankov form = FORM_SRC;
753*4d131170SRobert Mustacchi
754260e9a87SYuri Pankov mandoc_asprintf(&file, "%s/man%s/%s.%s",
755260e9a87SYuri Pankov paths->paths[ipath], sec, name, sec);
756*4d131170SRobert Mustacchi if (stat(file, &sb) != -1)
757260e9a87SYuri Pankov goto found;
758260e9a87SYuri Pankov free(file);
759260e9a87SYuri Pankov
760260e9a87SYuri Pankov mandoc_asprintf(&file, "%s/cat%s/%s.0",
761260e9a87SYuri Pankov paths->paths[ipath], sec, name);
762*4d131170SRobert Mustacchi if (stat(file, &sb) != -1) {
763260e9a87SYuri Pankov form = FORM_CAT;
764260e9a87SYuri Pankov goto found;
765260e9a87SYuri Pankov }
766260e9a87SYuri Pankov free(file);
767260e9a87SYuri Pankov
768260e9a87SYuri Pankov if (arch != NULL) {
769260e9a87SYuri Pankov mandoc_asprintf(&file, "%s/man%s/%s/%s.%s",
770260e9a87SYuri Pankov paths->paths[ipath], sec, arch, name, sec);
771*4d131170SRobert Mustacchi if (stat(file, &sb) != -1)
772260e9a87SYuri Pankov goto found;
773260e9a87SYuri Pankov free(file);
774260e9a87SYuri Pankov }
775260e9a87SYuri Pankov
776*4d131170SRobert Mustacchi cp = file = mandoc_malloc(strlen(paths->paths[ipath]) * 2 +
777*4d131170SRobert Mustacchi strlen(slman) + strlen(sec) * 2 + strlen(slash) +
778*4d131170SRobert Mustacchi strlen(name) * 2 + strlen(sglob) + 1);
779*4d131170SRobert Mustacchi glob_esc(&cp, paths->paths[ipath], slman);
780*4d131170SRobert Mustacchi glob_esc(&cp, sec, slash);
781*4d131170SRobert Mustacchi glob_esc(&cp, name, sglob);
782*4d131170SRobert Mustacchi *cp = '\0';
783260e9a87SYuri Pankov globres = glob(file, 0, NULL, &globinfo);
784260e9a87SYuri Pankov if (globres != 0 && globres != GLOB_NOMATCH)
785*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_GLOB, 0, 0,
786*4d131170SRobert Mustacchi "%s: %s", file, strerror(errno));
787260e9a87SYuri Pankov free(file);
788*4d131170SRobert Mustacchi file = NULL;
789c66b8046SYuri Pankov if (globres == 0)
790c66b8046SYuri Pankov goto found;
791*4d131170SRobert Mustacchi globfree(&globinfo);
792*4d131170SRobert Mustacchi
793*4d131170SRobert Mustacchi if (sec[1] != '\0' && *ressz == 0) {
794*4d131170SRobert Mustacchi secnum[0] = sec[0];
795*4d131170SRobert Mustacchi secnum[1] = '\0';
796*4d131170SRobert Mustacchi cp = file = mandoc_malloc(strlen(paths->paths[ipath]) * 2 +
797*4d131170SRobert Mustacchi strlen(slman) + strlen(secnum) * 2 + strlen(slash) +
798*4d131170SRobert Mustacchi strlen(name) * 2 + strlen(dot) +
799*4d131170SRobert Mustacchi strlen(sec) * 2 + strlen(aster) + 1);
800*4d131170SRobert Mustacchi glob_esc(&cp, paths->paths[ipath], slman);
801*4d131170SRobert Mustacchi glob_esc(&cp, secnum, slash);
802*4d131170SRobert Mustacchi glob_esc(&cp, name, dot);
803*4d131170SRobert Mustacchi glob_esc(&cp, sec, aster);
804*4d131170SRobert Mustacchi *cp = '\0';
805*4d131170SRobert Mustacchi globres = glob(file, 0, NULL, &globinfo);
806*4d131170SRobert Mustacchi if (globres != 0 && globres != GLOB_NOMATCH)
807*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_GLOB, 0, 0,
808*4d131170SRobert Mustacchi "%s: %s", file, strerror(errno));
809*4d131170SRobert Mustacchi free(file);
810*4d131170SRobert Mustacchi file = NULL;
811*4d131170SRobert Mustacchi if (globres == 0)
812*4d131170SRobert Mustacchi goto found;
813*4d131170SRobert Mustacchi globfree(&globinfo);
814*4d131170SRobert Mustacchi }
815*4d131170SRobert Mustacchi
816c66b8046SYuri Pankov if (res != NULL || ipath + 1 != paths->sz)
817*4d131170SRobert Mustacchi return -1;
81895c635efSGarrett D'Amore
819c66b8046SYuri Pankov mandoc_asprintf(&file, "%s.%s", name, sec);
820*4d131170SRobert Mustacchi globres = stat(file, &sb);
821c66b8046SYuri Pankov free(file);
822*4d131170SRobert Mustacchi return globres;
823c66b8046SYuri Pankov
824260e9a87SYuri Pankov found:
825371584c2SYuri Pankov warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
826371584c2SYuri Pankov name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
827*4d131170SRobert Mustacchi if (res == NULL)
828c66b8046SYuri Pankov free(file);
829*4d131170SRobert Mustacchi else if (file == NULL)
830*4d131170SRobert Mustacchi fs_append(globinfo.gl_pathv, globinfo.gl_pathc, 1,
831*4d131170SRobert Mustacchi ipath, sec, form, res, ressz);
832*4d131170SRobert Mustacchi else
833*4d131170SRobert Mustacchi fs_append(&file, 1, 0, ipath, sec, form, res, ressz);
834*4d131170SRobert Mustacchi globfree(&globinfo);
835*4d131170SRobert Mustacchi return 0;
836260e9a87SYuri Pankov }
837260e9a87SYuri Pankov
838c66b8046SYuri Pankov static int
fs_search(const struct mansearch * cfg,const struct manpaths * paths,const char * name,struct manpage ** res,size_t * ressz)839260e9a87SYuri Pankov fs_search(const struct mansearch *cfg, const struct manpaths *paths,
840*4d131170SRobert Mustacchi const char *name, struct manpage **res, size_t *ressz)
841260e9a87SYuri Pankov {
842260e9a87SYuri Pankov const char *const sections[] =
843371584c2SYuri Pankov {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
844260e9a87SYuri Pankov const size_t nsec = sizeof(sections)/sizeof(sections[0]);
845260e9a87SYuri Pankov
846*4d131170SRobert Mustacchi size_t ipath, isec;
847260e9a87SYuri Pankov
848260e9a87SYuri Pankov assert(cfg->argmode == ARG_NAME);
849c66b8046SYuri Pankov if (res != NULL)
850c66b8046SYuri Pankov *res = NULL;
851*4d131170SRobert Mustacchi *ressz = 0;
852*4d131170SRobert Mustacchi for (ipath = 0; ipath < paths->sz; ipath++) {
853*4d131170SRobert Mustacchi if (cfg->sec != NULL) {
854*4d131170SRobert Mustacchi if (fs_lookup(paths, ipath, cfg->sec, cfg->arch,
855*4d131170SRobert Mustacchi name, res, ressz) != -1 && cfg->firstmatch)
856*4d131170SRobert Mustacchi return 0;
857*4d131170SRobert Mustacchi } else {
858*4d131170SRobert Mustacchi for (isec = 0; isec < nsec; isec++)
859260e9a87SYuri Pankov if (fs_lookup(paths, ipath, sections[isec],
860*4d131170SRobert Mustacchi cfg->arch, name, res, ressz) != -1 &&
861260e9a87SYuri Pankov cfg->firstmatch)
862*4d131170SRobert Mustacchi return 0;
863260e9a87SYuri Pankov }
864260e9a87SYuri Pankov }
865*4d131170SRobert Mustacchi return -1;
86695c635efSGarrett D'Amore }
86795c635efSGarrett D'Amore
86895c635efSGarrett D'Amore static void
process_onefile(struct mparse * mp,struct manpage * resp,int startdir,struct outstate * outst,struct manconf * conf)869*4d131170SRobert Mustacchi process_onefile(struct mparse *mp, struct manpage *resp, int startdir,
870*4d131170SRobert Mustacchi struct outstate *outst, struct manconf *conf)
87195c635efSGarrett D'Amore {
872*4d131170SRobert Mustacchi int fd;
873*4d131170SRobert Mustacchi
874*4d131170SRobert Mustacchi /*
875*4d131170SRobert Mustacchi * Changing directories is not needed in ARG_FILE mode.
876*4d131170SRobert Mustacchi * Do it on a best-effort basis. Even in case of
877*4d131170SRobert Mustacchi * failure, some functionality may still work.
878*4d131170SRobert Mustacchi */
879*4d131170SRobert Mustacchi if (resp->ipath != SIZE_MAX)
880*4d131170SRobert Mustacchi (void)chdir(conf->manpath.paths[resp->ipath]);
881*4d131170SRobert Mustacchi else if (startdir != -1)
882*4d131170SRobert Mustacchi (void)fchdir(startdir);
883*4d131170SRobert Mustacchi
884*4d131170SRobert Mustacchi mandoc_msg_setinfilename(resp->file);
885*4d131170SRobert Mustacchi if (resp->file != NULL) {
886*4d131170SRobert Mustacchi if ((fd = mparse_open(mp, resp->file)) == -1) {
887*4d131170SRobert Mustacchi mandoc_msg(resp->ipath == SIZE_MAX ?
888*4d131170SRobert Mustacchi MANDOCERR_BADARG_BAD : MANDOCERR_OPEN,
889*4d131170SRobert Mustacchi 0, 0, "%s", strerror(errno));
890*4d131170SRobert Mustacchi mandoc_msg_setinfilename(NULL);
891*4d131170SRobert Mustacchi return;
892*4d131170SRobert Mustacchi }
893*4d131170SRobert Mustacchi } else
894*4d131170SRobert Mustacchi fd = STDIN_FILENO;
895*4d131170SRobert Mustacchi
896*4d131170SRobert Mustacchi if (outst->use_pager) {
897*4d131170SRobert Mustacchi outst->use_pager = 0;
898*4d131170SRobert Mustacchi outst->tag_files = term_tag_init(conf->output.outfilename,
899*4d131170SRobert Mustacchi outst->outtype == OUTT_HTML ? ".html" : "",
900*4d131170SRobert Mustacchi conf->output.tagfilename);
901*4d131170SRobert Mustacchi #if HAVE_PLEDGE
902*4d131170SRobert Mustacchi if ((conf->output.outfilename != NULL ||
903*4d131170SRobert Mustacchi conf->output.tagfilename != NULL) &&
904*4d131170SRobert Mustacchi pledge("stdio rpath cpath", NULL) == -1) {
905*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
906*4d131170SRobert Mustacchi "%s", strerror(errno));
907*4d131170SRobert Mustacchi exit(mandoc_msg_getrc());
908*4d131170SRobert Mustacchi }
909*4d131170SRobert Mustacchi #endif
910*4d131170SRobert Mustacchi }
911*4d131170SRobert Mustacchi if (outst->had_output && outst->outtype <= OUTT_UTF8) {
912*4d131170SRobert Mustacchi if (outst->outdata == NULL)
913*4d131170SRobert Mustacchi outdata_alloc(outst, &conf->output);
914*4d131170SRobert Mustacchi terminal_sepline(outst->outdata);
915*4d131170SRobert Mustacchi }
91695c635efSGarrett D'Amore
917*4d131170SRobert Mustacchi if (resp->form == FORM_SRC)
918*4d131170SRobert Mustacchi parse(mp, fd, resp->file, outst, conf);
919*4d131170SRobert Mustacchi else {
920*4d131170SRobert Mustacchi passthrough(fd, conf->output.synopsisonly);
921*4d131170SRobert Mustacchi outst->had_output = 1;
922*4d131170SRobert Mustacchi }
923*4d131170SRobert Mustacchi
924*4d131170SRobert Mustacchi if (ferror(stdout)) {
925*4d131170SRobert Mustacchi if (outst->tag_files != NULL) {
926*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s: %s",
927*4d131170SRobert Mustacchi outst->tag_files->ofn, strerror(errno));
928*4d131170SRobert Mustacchi term_tag_unlink();
929*4d131170SRobert Mustacchi outst->tag_files = NULL;
930*4d131170SRobert Mustacchi } else
931*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_WRITE, 0, 0, "%s",
932*4d131170SRobert Mustacchi strerror(errno));
933*4d131170SRobert Mustacchi }
934*4d131170SRobert Mustacchi mandoc_msg_setinfilename(NULL);
935*4d131170SRobert Mustacchi }
936*4d131170SRobert Mustacchi
937*4d131170SRobert Mustacchi static void
parse(struct mparse * mp,int fd,const char * file,struct outstate * outst,struct manconf * conf)938*4d131170SRobert Mustacchi parse(struct mparse *mp, int fd, const char *file,
939*4d131170SRobert Mustacchi struct outstate *outst, struct manconf *conf)
940*4d131170SRobert Mustacchi {
941*4d131170SRobert Mustacchi static struct manpaths basepaths;
942*4d131170SRobert Mustacchi static int previous;
943*4d131170SRobert Mustacchi struct roff_meta *meta;
94495c635efSGarrett D'Amore
945371584c2SYuri Pankov assert(fd >= 0);
946*4d131170SRobert Mustacchi if (file == NULL)
947*4d131170SRobert Mustacchi file = "<stdin>";
948*4d131170SRobert Mustacchi
949*4d131170SRobert Mustacchi if (previous)
950*4d131170SRobert Mustacchi mparse_reset(mp);
951*4d131170SRobert Mustacchi else
952*4d131170SRobert Mustacchi previous = 1;
95395c635efSGarrett D'Amore
954*4d131170SRobert Mustacchi mparse_readfd(mp, fd, file);
955371584c2SYuri Pankov if (fd != STDIN_FILENO)
956371584c2SYuri Pankov close(fd);
95795c635efSGarrett D'Amore
95895c635efSGarrett D'Amore /*
95995c635efSGarrett D'Amore * With -Wstop and warnings or errors of at least the requested
96095c635efSGarrett D'Amore * level, do not produce output.
96195c635efSGarrett D'Amore */
96295c635efSGarrett D'Amore
963*4d131170SRobert Mustacchi if (outst->wstop && mandoc_msg_getrc() != MANDOCLEVEL_OK)
964371584c2SYuri Pankov return;
96595c635efSGarrett D'Amore
966*4d131170SRobert Mustacchi if (outst->outdata == NULL)
967*4d131170SRobert Mustacchi outdata_alloc(outst, &conf->output);
968*4d131170SRobert Mustacchi else if (outst->outtype == OUTT_HTML)
969*4d131170SRobert Mustacchi html_reset(outst->outdata);
970371584c2SYuri Pankov
971cec8643bSMichal Nowak mandoc_xr_reset();
972*4d131170SRobert Mustacchi meta = mparse_result(mp);
97395c635efSGarrett D'Amore
974371584c2SYuri Pankov /* Execute the out device, if it exists. */
975371584c2SYuri Pankov
976*4d131170SRobert Mustacchi outst->had_output = 1;
977cec8643bSMichal Nowak if (meta->macroset == MACROSET_MDOC) {
978*4d131170SRobert Mustacchi switch (outst->outtype) {
979260e9a87SYuri Pankov case OUTT_HTML:
980*4d131170SRobert Mustacchi html_mdoc(outst->outdata, meta);
98195c635efSGarrett D'Amore break;
982260e9a87SYuri Pankov case OUTT_TREE:
983*4d131170SRobert Mustacchi tree_mdoc(outst->outdata, meta);
98495c635efSGarrett D'Amore break;
985260e9a87SYuri Pankov case OUTT_MAN:
986*4d131170SRobert Mustacchi man_mdoc(outst->outdata, meta);
98795c635efSGarrett D'Amore break;
988260e9a87SYuri Pankov case OUTT_PDF:
989260e9a87SYuri Pankov case OUTT_ASCII:
990260e9a87SYuri Pankov case OUTT_UTF8:
991260e9a87SYuri Pankov case OUTT_LOCALE:
992260e9a87SYuri Pankov case OUTT_PS:
993*4d131170SRobert Mustacchi terminal_mdoc(outst->outdata, meta);
994371584c2SYuri Pankov break;
995c66b8046SYuri Pankov case OUTT_MARKDOWN:
996*4d131170SRobert Mustacchi markdown_mdoc(outst->outdata, meta);
997c66b8046SYuri Pankov break;
998371584c2SYuri Pankov default:
999371584c2SYuri Pankov break;
1000371584c2SYuri Pankov }
1001371584c2SYuri Pankov }
1002cec8643bSMichal Nowak if (meta->macroset == MACROSET_MAN) {
1003*4d131170SRobert Mustacchi switch (outst->outtype) {
1004371584c2SYuri Pankov case OUTT_HTML:
1005*4d131170SRobert Mustacchi html_man(outst->outdata, meta);
1006371584c2SYuri Pankov break;
1007371584c2SYuri Pankov case OUTT_TREE:
1008*4d131170SRobert Mustacchi tree_man(outst->outdata, meta);
1009371584c2SYuri Pankov break;
1010371584c2SYuri Pankov case OUTT_MAN:
1011*4d131170SRobert Mustacchi mparse_copy(mp);
1012371584c2SYuri Pankov break;
1013371584c2SYuri Pankov case OUTT_PDF:
1014371584c2SYuri Pankov case OUTT_ASCII:
1015371584c2SYuri Pankov case OUTT_UTF8:
1016371584c2SYuri Pankov case OUTT_LOCALE:
1017371584c2SYuri Pankov case OUTT_PS:
1018*4d131170SRobert Mustacchi terminal_man(outst->outdata, meta);
1019*4d131170SRobert Mustacchi break;
1020*4d131170SRobert Mustacchi case OUTT_MARKDOWN:
1021*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_MAN_TMARKDOWN, 0, 0, NULL);
102295c635efSGarrett D'Amore break;
102395c635efSGarrett D'Amore default:
102495c635efSGarrett D'Amore break;
102595c635efSGarrett D'Amore }
102695c635efSGarrett D'Amore }
1027*4d131170SRobert Mustacchi if (conf->output.tag != NULL && conf->output.tag_found == 0 &&
1028*4d131170SRobert Mustacchi tag_exists(conf->output.tag))
1029*4d131170SRobert Mustacchi conf->output.tag_found = 1;
1030*4d131170SRobert Mustacchi
1031*4d131170SRobert Mustacchi if (mandoc_msg_getmin() < MANDOCERR_STYLE) {
1032*4d131170SRobert Mustacchi if (basepaths.sz == 0)
1033*4d131170SRobert Mustacchi manpath_base(&basepaths);
1034*4d131170SRobert Mustacchi check_xr(&basepaths);
1035*4d131170SRobert Mustacchi } else if (mandoc_msg_getmin() < MANDOCERR_WARNING)
1036*4d131170SRobert Mustacchi check_xr(&conf->manpath);
1037a5934736SYuri Pankov }
1038a5934736SYuri Pankov
1039c66b8046SYuri Pankov static void
check_xr(struct manpaths * paths)1040*4d131170SRobert Mustacchi check_xr(struct manpaths *paths)
1041c66b8046SYuri Pankov {
1042c66b8046SYuri Pankov struct mansearch search;
1043c66b8046SYuri Pankov struct mandoc_xr *xr;
1044c66b8046SYuri Pankov size_t sz;
1045c66b8046SYuri Pankov
1046c66b8046SYuri Pankov for (xr = mandoc_xr_get(); xr != NULL; xr = xr->next) {
1047c66b8046SYuri Pankov if (xr->line == -1)
1048c66b8046SYuri Pankov continue;
1049c66b8046SYuri Pankov search.arch = NULL;
1050c66b8046SYuri Pankov search.sec = xr->sec;
1051c66b8046SYuri Pankov search.outkey = NULL;
1052c66b8046SYuri Pankov search.argmode = ARG_NAME;
1053c66b8046SYuri Pankov search.firstmatch = 1;
1054*4d131170SRobert Mustacchi if (mansearch(&search, paths, 1, &xr->name, NULL, &sz))
1055c66b8046SYuri Pankov continue;
1056*4d131170SRobert Mustacchi if (fs_search(&search, paths, xr->name, NULL, &sz) != -1)
1057c66b8046SYuri Pankov continue;
1058c66b8046SYuri Pankov if (xr->count == 1)
1059cec8643bSMichal Nowak mandoc_msg(MANDOCERR_XR_BAD, xr->line,
1060cec8643bSMichal Nowak xr->pos + 1, "Xr %s %s", xr->name, xr->sec);
1061c66b8046SYuri Pankov else
1062cec8643bSMichal Nowak mandoc_msg(MANDOCERR_XR_BAD, xr->line,
1063cec8643bSMichal Nowak xr->pos + 1, "Xr %s %s (%d times)",
1064c66b8046SYuri Pankov xr->name, xr->sec, xr->count);
1065c66b8046SYuri Pankov }
1066c66b8046SYuri Pankov }
1067c66b8046SYuri Pankov
1068a5934736SYuri Pankov static void
outdata_alloc(struct outstate * outst,struct manoutput * outconf)1069*4d131170SRobert Mustacchi outdata_alloc(struct outstate *outst, struct manoutput *outconf)
1070a5934736SYuri Pankov {
1071*4d131170SRobert Mustacchi switch (outst->outtype) {
1072a5934736SYuri Pankov case OUTT_HTML:
1073*4d131170SRobert Mustacchi outst->outdata = html_alloc(outconf);
1074a5934736SYuri Pankov break;
1075a5934736SYuri Pankov case OUTT_UTF8:
1076*4d131170SRobert Mustacchi outst->outdata = utf8_alloc(outconf);
1077a5934736SYuri Pankov break;
1078a5934736SYuri Pankov case OUTT_LOCALE:
1079*4d131170SRobert Mustacchi outst->outdata = locale_alloc(outconf);
1080a5934736SYuri Pankov break;
1081a5934736SYuri Pankov case OUTT_ASCII:
1082*4d131170SRobert Mustacchi outst->outdata = ascii_alloc(outconf);
1083a5934736SYuri Pankov break;
1084a5934736SYuri Pankov case OUTT_PDF:
1085*4d131170SRobert Mustacchi outst->outdata = pdf_alloc(outconf);
1086a5934736SYuri Pankov break;
1087a5934736SYuri Pankov case OUTT_PS:
1088*4d131170SRobert Mustacchi outst->outdata = ps_alloc(outconf);
1089a5934736SYuri Pankov break;
1090a5934736SYuri Pankov default:
1091a5934736SYuri Pankov break;
1092a5934736SYuri Pankov }
109395c635efSGarrett D'Amore }
109495c635efSGarrett D'Amore
1095371584c2SYuri Pankov static void
passthrough(int fd,int synopsis_only)1096*4d131170SRobert Mustacchi passthrough(int fd, int synopsis_only)
1097260e9a87SYuri Pankov {
1098260e9a87SYuri Pankov const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS";
1099260e9a87SYuri Pankov const char synr[] = "SYNOPSIS";
1100260e9a87SYuri Pankov
1101260e9a87SYuri Pankov FILE *stream;
1102371584c2SYuri Pankov char *line, *cp;
1103371584c2SYuri Pankov size_t linesz;
1104a5934736SYuri Pankov ssize_t len, written;
1105*4d131170SRobert Mustacchi int lno, print;
1106260e9a87SYuri Pankov
1107*4d131170SRobert Mustacchi stream = NULL;
1108371584c2SYuri Pankov line = NULL;
1109371584c2SYuri Pankov linesz = 0;
1110260e9a87SYuri Pankov
1111a5934736SYuri Pankov if (fflush(stdout) == EOF) {
1112*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_FFLUSH, 0, 0, "%s", strerror(errno));
1113*4d131170SRobert Mustacchi goto done;
1114a5934736SYuri Pankov }
1115260e9a87SYuri Pankov if ((stream = fdopen(fd, "r")) == NULL) {
1116260e9a87SYuri Pankov close(fd);
1117*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_FDOPEN, 0, 0, "%s", strerror(errno));
1118*4d131170SRobert Mustacchi goto done;
1119260e9a87SYuri Pankov }
1120260e9a87SYuri Pankov
1121*4d131170SRobert Mustacchi lno = print = 0;
1122a5934736SYuri Pankov while ((len = getline(&line, &linesz, stream)) != -1) {
1123*4d131170SRobert Mustacchi lno++;
1124371584c2SYuri Pankov cp = line;
1125260e9a87SYuri Pankov if (synopsis_only) {
1126260e9a87SYuri Pankov if (print) {
1127371584c2SYuri Pankov if ( ! isspace((unsigned char)*cp))
1128260e9a87SYuri Pankov goto done;
1129a5934736SYuri Pankov while (isspace((unsigned char)*cp)) {
1130371584c2SYuri Pankov cp++;
1131a5934736SYuri Pankov len--;
1132a5934736SYuri Pankov }
1133260e9a87SYuri Pankov } else {
1134371584c2SYuri Pankov if (strcmp(cp, synb) == 0 ||
1135371584c2SYuri Pankov strcmp(cp, synr) == 0)
1136260e9a87SYuri Pankov print = 1;
1137260e9a87SYuri Pankov continue;
1138260e9a87SYuri Pankov }
1139260e9a87SYuri Pankov }
1140a5934736SYuri Pankov for (; len > 0; len -= written) {
1141*4d131170SRobert Mustacchi if ((written = write(STDOUT_FILENO, cp, len)) == -1) {
1142*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_WRITE, 0, 0,
1143*4d131170SRobert Mustacchi "%s", strerror(errno));
1144*4d131170SRobert Mustacchi goto done;
1145*4d131170SRobert Mustacchi }
1146371584c2SYuri Pankov }
1147260e9a87SYuri Pankov }
1148*4d131170SRobert Mustacchi if (ferror(stream))
1149*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_GETLINE, lno, 0, "%s", strerror(errno));
1150260e9a87SYuri Pankov
1151260e9a87SYuri Pankov done:
1152371584c2SYuri Pankov free(line);
1153*4d131170SRobert Mustacchi if (stream != NULL)
1154*4d131170SRobert Mustacchi fclose(stream);
115595c635efSGarrett D'Amore }
115695c635efSGarrett D'Amore
115795c635efSGarrett D'Amore static int
woptions(char * arg,enum mandoc_os * os_e,int * wstop)1158*4d131170SRobert Mustacchi woptions(char *arg, enum mandoc_os *os_e, int *wstop)
115995c635efSGarrett D'Amore {
116095c635efSGarrett D'Amore char *v, *o;
1161c66b8046SYuri Pankov const char *toks[11];
116295c635efSGarrett D'Amore
116395c635efSGarrett D'Amore toks[0] = "stop";
116495c635efSGarrett D'Amore toks[1] = "all";
1165c66b8046SYuri Pankov toks[2] = "base";
1166c66b8046SYuri Pankov toks[3] = "style";
1167c66b8046SYuri Pankov toks[4] = "warning";
1168c66b8046SYuri Pankov toks[5] = "error";
1169c66b8046SYuri Pankov toks[6] = "unsupp";
1170c66b8046SYuri Pankov toks[7] = "fatal";
1171c66b8046SYuri Pankov toks[8] = "openbsd";
1172c66b8046SYuri Pankov toks[9] = "netbsd";
1173c66b8046SYuri Pankov toks[10] = NULL;
117495c635efSGarrett D'Amore
117595c635efSGarrett D'Amore while (*arg) {
117695c635efSGarrett D'Amore o = arg;
1177a5934736SYuri Pankov switch (getsubopt(&arg, (char * const *)toks, &v)) {
1178260e9a87SYuri Pankov case 0:
1179*4d131170SRobert Mustacchi *wstop = 1;
118095c635efSGarrett D'Amore break;
1181260e9a87SYuri Pankov case 1:
1182260e9a87SYuri Pankov case 2:
1183cec8643bSMichal Nowak mandoc_msg_setmin(MANDOCERR_BASE);
118495c635efSGarrett D'Amore break;
1185260e9a87SYuri Pankov case 3:
1186cec8643bSMichal Nowak mandoc_msg_setmin(MANDOCERR_STYLE);
118795c635efSGarrett D'Amore break;
1188260e9a87SYuri Pankov case 4:
1189cec8643bSMichal Nowak mandoc_msg_setmin(MANDOCERR_WARNING);
1190260e9a87SYuri Pankov break;
1191260e9a87SYuri Pankov case 5:
1192cec8643bSMichal Nowak mandoc_msg_setmin(MANDOCERR_ERROR);
1193c66b8046SYuri Pankov break;
1194c66b8046SYuri Pankov case 6:
1195cec8643bSMichal Nowak mandoc_msg_setmin(MANDOCERR_UNSUPP);
1196c66b8046SYuri Pankov break;
1197c66b8046SYuri Pankov case 7:
1198*4d131170SRobert Mustacchi mandoc_msg_setmin(MANDOCERR_BADARG);
1199c66b8046SYuri Pankov break;
1200c66b8046SYuri Pankov case 8:
1201cec8643bSMichal Nowak mandoc_msg_setmin(MANDOCERR_BASE);
1202*4d131170SRobert Mustacchi *os_e = MANDOC_OS_OPENBSD;
1203c66b8046SYuri Pankov break;
1204c66b8046SYuri Pankov case 9:
1205cec8643bSMichal Nowak mandoc_msg_setmin(MANDOCERR_BASE);
1206*4d131170SRobert Mustacchi *os_e = MANDOC_OS_NETBSD;
120795c635efSGarrett D'Amore break;
120895c635efSGarrett D'Amore default:
1209*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_BADARG_BAD, 0, 0, "-W %s", o);
1210*4d131170SRobert Mustacchi return -1;
1211*4d131170SRobert Mustacchi }
1212*4d131170SRobert Mustacchi }
1213*4d131170SRobert Mustacchi return 0;
1214*4d131170SRobert Mustacchi }
1215*4d131170SRobert Mustacchi
1216*4d131170SRobert Mustacchi /*
1217*4d131170SRobert Mustacchi * Wait until moved to the foreground,
1218*4d131170SRobert Mustacchi * then fork the pager and wait for the user to close it.
1219*4d131170SRobert Mustacchi */
1220*4d131170SRobert Mustacchi static void
run_pager(struct outstate * outst,char * tag_target)1221*4d131170SRobert Mustacchi run_pager(struct outstate *outst, char *tag_target)
1222*4d131170SRobert Mustacchi {
1223*4d131170SRobert Mustacchi int signum, status;
1224*4d131170SRobert Mustacchi pid_t man_pgid, tc_pgid;
1225*4d131170SRobert Mustacchi pid_t pager_pid, wait_pid;
1226*4d131170SRobert Mustacchi
1227*4d131170SRobert Mustacchi man_pgid = getpgid(0);
1228*4d131170SRobert Mustacchi outst->tag_files->tcpgid =
1229*4d131170SRobert Mustacchi man_pgid == getpid() ? getpgid(getppid()) : man_pgid;
1230*4d131170SRobert Mustacchi pager_pid = 0;
1231*4d131170SRobert Mustacchi signum = SIGSTOP;
1232*4d131170SRobert Mustacchi
1233*4d131170SRobert Mustacchi for (;;) {
1234*4d131170SRobert Mustacchi /* Stop here until moved to the foreground. */
1235*4d131170SRobert Mustacchi
1236*4d131170SRobert Mustacchi tc_pgid = tcgetpgrp(STDOUT_FILENO);
1237*4d131170SRobert Mustacchi if (tc_pgid != man_pgid) {
1238*4d131170SRobert Mustacchi if (tc_pgid == pager_pid) {
1239*4d131170SRobert Mustacchi (void)tcsetpgrp(STDOUT_FILENO, man_pgid);
1240*4d131170SRobert Mustacchi if (signum == SIGTTIN)
1241*4d131170SRobert Mustacchi continue;
1242*4d131170SRobert Mustacchi } else
1243*4d131170SRobert Mustacchi outst->tag_files->tcpgid = tc_pgid;
1244*4d131170SRobert Mustacchi kill(0, signum);
1245*4d131170SRobert Mustacchi continue;
1246*4d131170SRobert Mustacchi }
1247*4d131170SRobert Mustacchi
1248*4d131170SRobert Mustacchi /* Once in the foreground, activate the pager. */
1249*4d131170SRobert Mustacchi
1250*4d131170SRobert Mustacchi if (pager_pid) {
1251*4d131170SRobert Mustacchi (void)tcsetpgrp(STDOUT_FILENO, pager_pid);
1252*4d131170SRobert Mustacchi kill(pager_pid, SIGCONT);
1253*4d131170SRobert Mustacchi } else
1254*4d131170SRobert Mustacchi pager_pid = spawn_pager(outst, tag_target);
1255*4d131170SRobert Mustacchi
1256*4d131170SRobert Mustacchi /* Wait for the pager to stop or exit. */
1257*4d131170SRobert Mustacchi
1258*4d131170SRobert Mustacchi while ((wait_pid = waitpid(pager_pid, &status,
1259*4d131170SRobert Mustacchi WUNTRACED)) == -1 && errno == EINTR)
1260*4d131170SRobert Mustacchi continue;
1261*4d131170SRobert Mustacchi
1262*4d131170SRobert Mustacchi if (wait_pid == -1) {
1263*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_WAIT, 0, 0,
1264*4d131170SRobert Mustacchi "%s", strerror(errno));
1265*4d131170SRobert Mustacchi break;
126695c635efSGarrett D'Amore }
1267*4d131170SRobert Mustacchi if (!WIFSTOPPED(status))
1268*4d131170SRobert Mustacchi break;
1269*4d131170SRobert Mustacchi
1270*4d131170SRobert Mustacchi signum = WSTOPSIG(status);
127195c635efSGarrett D'Amore }
127295c635efSGarrett D'Amore }
127395c635efSGarrett D'Amore
1274260e9a87SYuri Pankov static pid_t
spawn_pager(struct outstate * outst,char * tag_target)1275*4d131170SRobert Mustacchi spawn_pager(struct outstate *outst, char *tag_target)
1276260e9a87SYuri Pankov {
1277371584c2SYuri Pankov const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
1278260e9a87SYuri Pankov #define MAX_PAGER_ARGS 16
1279260e9a87SYuri Pankov char *argv[MAX_PAGER_ARGS];
1280260e9a87SYuri Pankov const char *pager;
1281260e9a87SYuri Pankov char *cp;
1282cec8643bSMichal Nowak #if HAVE_LESS_T
1283371584c2SYuri Pankov size_t cmdlen;
1284cec8643bSMichal Nowak #endif
1285cec8643bSMichal Nowak int argc, use_ofn;
1286260e9a87SYuri Pankov pid_t pager_pid;
1287260e9a87SYuri Pankov
1288*4d131170SRobert Mustacchi assert(outst->tag_files->ofd == -1);
1289*4d131170SRobert Mustacchi assert(outst->tag_files->tfs == NULL);
1290*4d131170SRobert Mustacchi
1291260e9a87SYuri Pankov pager = getenv("MANPAGER");
1292260e9a87SYuri Pankov if (pager == NULL || *pager == '\0')
1293260e9a87SYuri Pankov pager = getenv("PAGER");
1294260e9a87SYuri Pankov if (pager == NULL || *pager == '\0')
1295*4d131170SRobert Mustacchi pager = BINM_PAGER;
1296260e9a87SYuri Pankov cp = mandoc_strdup(pager);
1297260e9a87SYuri Pankov
1298260e9a87SYuri Pankov /*
1299260e9a87SYuri Pankov * Parse the pager command into words.
1300260e9a87SYuri Pankov * Intentionally do not do anything fancy here.
1301260e9a87SYuri Pankov */
1302260e9a87SYuri Pankov
1303260e9a87SYuri Pankov argc = 0;
1304cec8643bSMichal Nowak while (argc + 5 < MAX_PAGER_ARGS) {
1305260e9a87SYuri Pankov argv[argc++] = cp;
1306260e9a87SYuri Pankov cp = strchr(cp, ' ');
1307260e9a87SYuri Pankov if (cp == NULL)
1308260e9a87SYuri Pankov break;
1309260e9a87SYuri Pankov *cp++ = '\0';
1310260e9a87SYuri Pankov while (*cp == ' ')
1311260e9a87SYuri Pankov cp++;
1312260e9a87SYuri Pankov if (*cp == '\0')
1313260e9a87SYuri Pankov break;
1314260e9a87SYuri Pankov }
1315371584c2SYuri Pankov
1316371584c2SYuri Pankov /* For less(1), use the tag file. */
1317371584c2SYuri Pankov
1318cec8643bSMichal Nowak use_ofn = 1;
1319cec8643bSMichal Nowak #if HAVE_LESS_T
1320*4d131170SRobert Mustacchi if (*outst->tag_files->tfn != '\0' &&
1321*4d131170SRobert Mustacchi (cmdlen = strlen(argv[0])) >= 4) {
1322371584c2SYuri Pankov cp = argv[0] + cmdlen - 4;
1323371584c2SYuri Pankov if (strcmp(cp, "less") == 0) {
1324371584c2SYuri Pankov argv[argc++] = mandoc_strdup("-T");
1325*4d131170SRobert Mustacchi argv[argc++] = outst->tag_files->tfn;
1326*4d131170SRobert Mustacchi if (tag_target != NULL) {
1327cec8643bSMichal Nowak argv[argc++] = mandoc_strdup("-t");
1328*4d131170SRobert Mustacchi argv[argc++] = tag_target;
1329cec8643bSMichal Nowak use_ofn = 0;
1330cec8643bSMichal Nowak }
1331371584c2SYuri Pankov }
1332371584c2SYuri Pankov }
1333cec8643bSMichal Nowak #endif
1334*4d131170SRobert Mustacchi if (use_ofn) {
1335*4d131170SRobert Mustacchi if (outst->outtype == OUTT_HTML && tag_target != NULL)
1336*4d131170SRobert Mustacchi mandoc_asprintf(&argv[argc], "file://%s#%s",
1337*4d131170SRobert Mustacchi outst->tag_files->ofn, tag_target);
1338*4d131170SRobert Mustacchi else
1339*4d131170SRobert Mustacchi argv[argc] = outst->tag_files->ofn;
1340*4d131170SRobert Mustacchi argc++;
1341*4d131170SRobert Mustacchi }
1342260e9a87SYuri Pankov argv[argc] = NULL;
1343260e9a87SYuri Pankov
1344371584c2SYuri Pankov switch (pager_pid = fork()) {
1345371584c2SYuri Pankov case -1:
1346*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_FORK, 0, 0, "%s", strerror(errno));
1347*4d131170SRobert Mustacchi exit(mandoc_msg_getrc());
1348371584c2SYuri Pankov case 0:
1349371584c2SYuri Pankov break;
1350371584c2SYuri Pankov default:
1351371584c2SYuri Pankov (void)setpgid(pager_pid, 0);
1352*4d131170SRobert Mustacchi (void)tcsetpgrp(STDOUT_FILENO, pager_pid);
1353371584c2SYuri Pankov #if HAVE_PLEDGE
1354*4d131170SRobert Mustacchi if (pledge("stdio rpath tmppath tty proc", NULL) == -1) {
1355*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_PLEDGE, 0, 0,
1356*4d131170SRobert Mustacchi "%s", strerror(errno));
1357*4d131170SRobert Mustacchi exit(mandoc_msg_getrc());
1358*4d131170SRobert Mustacchi }
1359371584c2SYuri Pankov #endif
1360*4d131170SRobert Mustacchi outst->tag_files->pager_pid = pager_pid;
1361371584c2SYuri Pankov return pager_pid;
1362371584c2SYuri Pankov }
1363371584c2SYuri Pankov
1364*4d131170SRobert Mustacchi /*
1365*4d131170SRobert Mustacchi * The child process becomes the pager.
1366*4d131170SRobert Mustacchi * Do not start it before controlling the terminal.
1367*4d131170SRobert Mustacchi */
1368371584c2SYuri Pankov
1369a40ea1a7SYuri Pankov while (tcgetpgrp(STDOUT_FILENO) != getpid())
1370371584c2SYuri Pankov nanosleep(&timeout, NULL);
1371260e9a87SYuri Pankov
1372260e9a87SYuri Pankov execvp(argv[0], argv);
1373*4d131170SRobert Mustacchi mandoc_msg(MANDOCERR_EXEC, 0, 0, "%s: %s", argv[0], strerror(errno));
1374*4d131170SRobert Mustacchi _exit(mandoc_msg_getrc());
1375260e9a87SYuri Pankov }
1376