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/* $OpenBSD: main.c,v 1.176 2016/07/15 19:31:53 schwarze Exp $ */ |
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/* |
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* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2010-2012, 2014-2016 Ingo Schwarze <schwarze@openbsd.org> |
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* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/types.h> |
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#include <sys/param.h> /* MACHINE */ |
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#include <sys/wait.h> |
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#include <assert.h> |
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#include <ctype.h> |
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#include <err.h> |
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#include <errno.h> |
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#include <fcntl.h> |
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#include <glob.h> |
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#include <signal.h> |
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#include <stdio.h> |
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#include <stdint.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <time.h> |
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#include <unistd.h> |
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#include "mandoc_aux.h" |
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#include "mandoc.h" |
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#include "roff.h" |
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#include "mdoc.h" |
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#include "man.h" |
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#include "tag.h" |
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#include "main.h" |
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#include "manconf.h" |
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#include "mansearch.h" |
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enum outmode { |
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OUTMODE_DEF = 0, |
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OUTMODE_FLN, |
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OUTMODE_LST, |
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OUTMODE_ALL, |
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OUTMODE_INT, |
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OUTMODE_ONE |
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}; |
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enum outt { |
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OUTT_ASCII = 0, /* -Tascii */ |
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OUTT_LOCALE, /* -Tlocale */ |
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OUTT_UTF8, /* -Tutf8 */ |
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OUTT_TREE, /* -Ttree */ |
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OUTT_MAN, /* -Tman */ |
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OUTT_HTML, /* -Thtml */ |
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OUTT_LINT, /* -Tlint */ |
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OUTT_PS, /* -Tps */ |
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OUTT_PDF /* -Tpdf */ |
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}; |
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69 |
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struct curparse { |
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struct mparse *mp; |
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enum mandoclevel wlevel; /* ignore messages below this */ |
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int wstop; /* stop after a file with a warning */ |
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enum outt outtype; /* which output to use */ |
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void *outdata; /* data for output */ |
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struct manoutput *outopts; /* output options */ |
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}; |
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78 |
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int mandocdb(int, char *[]); |
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static int fs_lookup(const struct manpaths *, |
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size_t ipath, const char *, |
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const char *, const char *, |
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struct manpage **, size_t *); |
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static void fs_search(const struct mansearch *, |
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const struct manpaths *, int, char**, |
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struct manpage **, size_t *); |
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static int koptions(int *, char *); |
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static int moptions(int *, char *); |
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static void mmsg(enum mandocerr, enum mandoclevel, |
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const char *, int, int, const char *); |
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static void parse(struct curparse *, int, const char *); |
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static void passthrough(const char *, int, int); |
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static pid_t spawn_pager(struct tag_files *); |
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static int toptions(struct curparse *, char *); |
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static void usage(enum argmode) __attribute__((noreturn)); |
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static int woptions(struct curparse *, char *); |
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static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9}; |
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static char help_arg[] = "help"; |
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static char *help_argv[] = {help_arg, NULL}; |
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static enum mandoclevel rc; |
103 |
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104 |
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105 |
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int |
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main(int argc, char *argv[]) |
107 |
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{ |
108 |
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struct manconf conf; |
109 |
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struct curparse curp; |
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struct mansearch search; |
111 |
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struct tag_files *tag_files; |
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const char *progname; |
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char *auxpaths; |
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char *defos; |
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unsigned char *uc; |
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struct manpage *res, *resp; |
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char *conf_file, *defpaths; |
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const char *sec; |
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size_t i, sz; |
120 |
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int prio, best_prio; |
121 |
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enum outmode outmode; |
122 |
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int fd; |
123 |
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int show_usage; |
124 |
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int options; |
125 |
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int use_pager; |
126 |
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int status, signum; |
127 |
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int c; |
128 |
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pid_t pager_pid, tc_pgid, man_pgid, pid; |
129 |
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130 |
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progname = getprogname(); |
131 |
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if (strncmp(progname, "mandocdb", 8) == 0 || |
132 |
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strncmp(progname, "makewhatis", 10) == 0) |
133 |
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return mandocdb(argc, argv); |
134 |
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135 |
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if (pledge("stdio rpath tmppath tty proc exec flock wpath cpath", NULL) == -1) |
136 |
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err((int)MANDOCLEVEL_SYSERR, "pledge"); |
137 |
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138 |
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/* Search options. */ |
139 |
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140 |
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memset(&conf, 0, sizeof(conf)); |
141 |
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conf_file = defpaths = NULL; |
142 |
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auxpaths = NULL; |
143 |
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144 |
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memset(&search, 0, sizeof(struct mansearch)); |
145 |
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search.outkey = "Nd"; |
146 |
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147 |
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if (strcmp(progname, "man") == 0) |
148 |
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search.argmode = ARG_NAME; |
149 |
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else if (strncmp(progname, "apropos", 7) == 0) |
150 |
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search.argmode = ARG_EXPR; |
151 |
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else if (strncmp(progname, "whatis", 6) == 0) |
152 |
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search.argmode = ARG_WORD; |
153 |
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else if (strncmp(progname, "help", 4) == 0) |
154 |
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search.argmode = ARG_NAME; |
155 |
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else |
156 |
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search.argmode = ARG_FILE; |
157 |
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158 |
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/* Parser and formatter options. */ |
159 |
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160 |
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memset(&curp, 0, sizeof(struct curparse)); |
161 |
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curp.outtype = OUTT_LOCALE; |
162 |
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curp.wlevel = MANDOCLEVEL_BADARG; |
163 |
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curp.outopts = &conf.output; |
164 |
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options = MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1; |
165 |
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defos = NULL; |
166 |
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167 |
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use_pager = 1; |
168 |
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tag_files = NULL; |
169 |
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show_usage = 0; |
170 |
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outmode = OUTMODE_DEF; |
171 |
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172 |
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while (-1 != (c = getopt(argc, argv, |
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"aC:cfhI:iK:klM:m:O:S:s:T:VW:w"))) { |
174 |
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switch (c) { |
175 |
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case 'a': |
176 |
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outmode = OUTMODE_ALL; |
177 |
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break; |
178 |
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case 'C': |
179 |
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conf_file = optarg; |
180 |
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break; |
181 |
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case 'c': |
182 |
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use_pager = 0; |
183 |
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break; |
184 |
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case 'f': |
185 |
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search.argmode = ARG_WORD; |
186 |
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break; |
187 |
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case 'h': |
188 |
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conf.output.synopsisonly = 1; |
189 |
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use_pager = 0; |
190 |
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outmode = OUTMODE_ALL; |
191 |
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break; |
192 |
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case 'I': |
193 |
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if (strncmp(optarg, "os=", 3)) { |
194 |
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warnx("-I %s: Bad argument", optarg); |
195 |
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return (int)MANDOCLEVEL_BADARG; |
196 |
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} |
197 |
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if (defos) { |
198 |
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warnx("-I %s: Duplicate argument", optarg); |
199 |
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return (int)MANDOCLEVEL_BADARG; |
200 |
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} |
201 |
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defos = mandoc_strdup(optarg + 3); |
202 |
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break; |
203 |
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case 'i': |
204 |
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outmode = OUTMODE_INT; |
205 |
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break; |
206 |
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case 'K': |
207 |
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if ( ! koptions(&options, optarg)) |
208 |
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return (int)MANDOCLEVEL_BADARG; |
209 |
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break; |
210 |
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case 'k': |
211 |
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search.argmode = ARG_EXPR; |
212 |
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break; |
213 |
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case 'l': |
214 |
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search.argmode = ARG_FILE; |
215 |
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outmode = OUTMODE_ALL; |
216 |
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break; |
217 |
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case 'M': |
218 |
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defpaths = optarg; |
219 |
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break; |
220 |
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case 'm': |
221 |
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auxpaths = optarg; |
222 |
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break; |
223 |
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case 'O': |
224 |
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search.outkey = optarg; |
225 |
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while (optarg != NULL) |
226 |
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manconf_output(&conf.output, |
227 |
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strsep(&optarg, ",")); |
228 |
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break; |
229 |
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case 'S': |
230 |
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search.arch = optarg; |
231 |
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break; |
232 |
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case 's': |
233 |
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search.sec = optarg; |
234 |
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break; |
235 |
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case 'T': |
236 |
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if ( ! toptions(&curp, optarg)) |
237 |
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return (int)MANDOCLEVEL_BADARG; |
238 |
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break; |
239 |
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case 'W': |
240 |
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if ( ! woptions(&curp, optarg)) |
241 |
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return (int)MANDOCLEVEL_BADARG; |
242 |
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break; |
243 |
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case 'w': |
244 |
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outmode = OUTMODE_FLN; |
245 |
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break; |
246 |
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default: |
247 |
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show_usage = 1; |
248 |
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break; |
249 |
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} |
250 |
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} |
251 |
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252 |
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if (show_usage) |
253 |
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usage(search.argmode); |
254 |
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|
255 |
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/* Postprocess options. */ |
256 |
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257 |
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if (outmode == OUTMODE_DEF) { |
258 |
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switch (search.argmode) { |
259 |
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case ARG_FILE: |
260 |
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outmode = OUTMODE_ALL; |
261 |
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use_pager = 0; |
262 |
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break; |
263 |
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case ARG_NAME: |
264 |
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outmode = OUTMODE_ONE; |
265 |
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break; |
266 |
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default: |
267 |
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outmode = OUTMODE_LST; |
268 |
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break; |
269 |
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} |
270 |
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} |
271 |
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|
272 |
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if (outmode == OUTMODE_FLN || |
273 |
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outmode == OUTMODE_LST || |
274 |
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!isatty(STDOUT_FILENO)) |
275 |
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use_pager = 0; |
276 |
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|
277 |
|
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if (!use_pager) |
278 |
|
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if (pledge("stdio rpath flock wpath cpath", NULL) == -1) |
279 |
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err((int)MANDOCLEVEL_SYSERR, "pledge"); |
280 |
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|
281 |
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/* Parse arguments. */ |
282 |
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|
283 |
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if (argc > 0) { |
284 |
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argc -= optind; |
285 |
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argv += optind; |
286 |
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} |
287 |
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resp = NULL; |
288 |
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|
289 |
|
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/* |
290 |
|
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* Quirks for help(1) |
291 |
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* and for a man(1) section argument without -s. |
292 |
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*/ |
293 |
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|
294 |
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if (search.argmode == ARG_NAME) { |
295 |
|
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if (*progname == 'h') { |
296 |
|
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if (argc == 0) { |
297 |
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argv = help_argv; |
298 |
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argc = 1; |
299 |
|
|
} |
300 |
|
|
} else if (argc > 1 && |
301 |
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((uc = (unsigned char *)argv[0]) != NULL) && |
302 |
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((isdigit(uc[0]) && (uc[1] == '\0' || |
303 |
|
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(isalpha(uc[1]) && uc[2] == '\0'))) || |
304 |
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(uc[0] == 'n' && uc[1] == '\0'))) { |
305 |
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search.sec = (char *)uc; |
306 |
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argv++; |
307 |
|
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argc--; |
308 |
|
|
} |
309 |
|
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if (search.arch == NULL) |
310 |
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search.arch = getenv("MACHINE"); |
311 |
|
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if (search.arch == NULL) |
312 |
|
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search.arch = MACHINE; |
313 |
|
|
} |
314 |
|
|
|
315 |
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|
rc = MANDOCLEVEL_OK; |
316 |
|
|
|
317 |
|
|
/* man(1), whatis(1), apropos(1) */ |
318 |
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|
|
319 |
|
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if (search.argmode != ARG_FILE) { |
320 |
|
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if (argc == 0) |
321 |
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usage(search.argmode); |
322 |
|
|
|
323 |
|
|
if (search.argmode == ARG_NAME && |
324 |
|
|
outmode == OUTMODE_ONE) |
325 |
|
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search.firstmatch = 1; |
326 |
|
|
|
327 |
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|
/* Access the mandoc database. */ |
328 |
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|
|
329 |
|
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manconf_parse(&conf, conf_file, defpaths, auxpaths); |
330 |
|
|
mansearch_setup(1); |
331 |
|
|
if ( ! mansearch(&search, &conf.manpath, |
332 |
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argc, argv, &res, &sz)) |
333 |
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|
usage(search.argmode); |
334 |
|
|
|
335 |
|
|
if (sz == 0) { |
336 |
|
|
if (search.argmode == ARG_NAME) |
337 |
|
|
fs_search(&search, &conf.manpath, |
338 |
|
|
argc, argv, &res, &sz); |
339 |
|
|
else |
340 |
|
|
warnx("nothing appropriate"); |
341 |
|
|
} |
342 |
|
|
|
343 |
|
|
if (sz == 0) { |
344 |
|
|
rc = MANDOCLEVEL_BADARG; |
345 |
|
|
goto out; |
346 |
|
|
} |
347 |
|
|
|
348 |
|
|
/* |
349 |
|
|
* For standard man(1) and -a output mode, |
350 |
|
|
* prepare for copying filename pointers |
351 |
|
|
* into the program parameter array. |
352 |
|
|
*/ |
353 |
|
|
|
354 |
|
|
if (outmode == OUTMODE_ONE) { |
355 |
|
|
argc = 1; |
356 |
|
|
best_prio = 20; |
357 |
|
|
} else if (outmode == OUTMODE_ALL) |
358 |
|
|
argc = (int)sz; |
359 |
|
|
|
360 |
|
|
/* Iterate all matching manuals. */ |
361 |
|
|
|
362 |
|
|
resp = res; |
363 |
|
|
for (i = 0; i < sz; i++) { |
364 |
|
|
if (outmode == OUTMODE_FLN) |
365 |
|
|
puts(res[i].file); |
366 |
|
|
else if (outmode == OUTMODE_LST) |
367 |
|
|
printf("%s - %s\n", res[i].names, |
368 |
|
|
res[i].output == NULL ? "" : |
369 |
|
|
res[i].output); |
370 |
|
|
else if (outmode == OUTMODE_ONE) { |
371 |
|
|
/* Search for the best section. */ |
372 |
|
|
sec = res[i].file; |
373 |
|
|
sec += strcspn(sec, "123456789"); |
374 |
|
|
if (sec[0] == '\0') |
375 |
|
|
continue; |
376 |
|
|
prio = sec_prios[sec[0] - '1']; |
377 |
|
|
if (sec[1] != '/') |
378 |
|
|
prio += 10; |
379 |
|
|
if (prio >= best_prio) |
380 |
|
|
continue; |
381 |
|
|
best_prio = prio; |
382 |
|
|
resp = res + i; |
383 |
|
|
} |
384 |
|
|
} |
385 |
|
|
|
386 |
|
|
/* |
387 |
|
|
* For man(1), -a and -i output mode, fall through |
388 |
|
|
* to the main mandoc(1) code iterating files |
389 |
|
|
* and running the parsers on each of them. |
390 |
|
|
*/ |
391 |
|
|
|
392 |
|
|
if (outmode == OUTMODE_FLN || outmode == OUTMODE_LST) |
393 |
|
|
goto out; |
394 |
|
|
} |
395 |
|
|
|
396 |
|
|
/* mandoc(1) */ |
397 |
|
|
|
398 |
|
|
if (use_pager) { |
399 |
|
|
if (pledge("stdio rpath tmppath tty proc exec wpath cpath", NULL) == -1) |
400 |
|
|
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
401 |
|
|
} else { |
402 |
|
|
if (pledge("stdio rpath wpath cpath", NULL) == -1) |
403 |
|
|
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
404 |
|
|
} |
405 |
|
|
|
406 |
|
|
if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths)) |
407 |
|
|
return (int)MANDOCLEVEL_BADARG; |
408 |
|
|
|
409 |
|
|
mchars_alloc(); |
410 |
|
|
curp.mp = mparse_alloc(options, curp.wlevel, mmsg, defos); |
411 |
|
|
|
412 |
|
|
/* |
413 |
|
|
* Conditionally start up the lookaside buffer before parsing. |
414 |
|
|
*/ |
415 |
|
|
if (OUTT_MAN == curp.outtype) |
416 |
|
|
mparse_keep(curp.mp); |
417 |
|
|
|
418 |
|
|
if (argc < 1) { |
419 |
|
|
if (use_pager) |
420 |
|
|
tag_files = tag_init(); |
421 |
|
|
parse(&curp, STDIN_FILENO, "<stdin>"); |
422 |
|
|
} |
423 |
|
|
|
424 |
|
|
while (argc > 0) { |
425 |
|
|
fd = mparse_open(curp.mp, resp != NULL ? resp->file : *argv); |
426 |
|
|
if (fd != -1) { |
427 |
|
|
if (use_pager) { |
428 |
|
|
tag_files = tag_init(); |
429 |
|
|
use_pager = 0; |
430 |
|
|
} |
431 |
|
|
|
432 |
|
|
if (resp == NULL) |
433 |
|
|
parse(&curp, fd, *argv); |
434 |
|
|
else if (resp->form & FORM_SRC) { |
435 |
|
|
/* For .so only; ignore failure. */ |
436 |
|
|
chdir(conf.manpath.paths[resp->ipath]); |
437 |
|
|
parse(&curp, fd, resp->file); |
438 |
|
|
} else |
439 |
|
|
passthrough(resp->file, fd, |
440 |
|
|
conf.output.synopsisonly); |
441 |
|
|
|
442 |
|
|
if (argc > 1 && curp.outtype <= OUTT_UTF8) |
443 |
|
|
terminal_sepline(curp.outdata); |
444 |
|
|
} else if (rc < MANDOCLEVEL_ERROR) |
445 |
|
|
rc = MANDOCLEVEL_ERROR; |
446 |
|
|
|
447 |
|
|
if (MANDOCLEVEL_OK != rc && curp.wstop) |
448 |
|
|
break; |
449 |
|
|
|
450 |
|
|
if (resp != NULL) |
451 |
|
|
resp++; |
452 |
|
|
else |
453 |
|
|
argv++; |
454 |
|
|
if (--argc) |
455 |
|
|
mparse_reset(curp.mp); |
456 |
|
|
} |
457 |
|
|
|
458 |
|
|
if (curp.outdata != NULL) { |
459 |
|
|
switch (curp.outtype) { |
460 |
|
|
case OUTT_HTML: |
461 |
|
|
html_free(curp.outdata); |
462 |
|
|
break; |
463 |
|
|
case OUTT_UTF8: |
464 |
|
|
case OUTT_LOCALE: |
465 |
|
|
case OUTT_ASCII: |
466 |
|
|
ascii_free(curp.outdata); |
467 |
|
|
break; |
468 |
|
|
case OUTT_PDF: |
469 |
|
|
case OUTT_PS: |
470 |
|
|
pspdf_free(curp.outdata); |
471 |
|
|
break; |
472 |
|
|
default: |
473 |
|
|
break; |
474 |
|
|
} |
475 |
|
|
} |
476 |
|
|
mparse_free(curp.mp); |
477 |
|
|
mchars_free(); |
478 |
|
|
|
479 |
|
|
out: |
480 |
|
|
if (search.argmode != ARG_FILE) { |
481 |
|
|
manconf_free(&conf); |
482 |
|
|
mansearch_free(res, sz); |
483 |
|
|
mansearch_setup(0); |
484 |
|
|
} |
485 |
|
|
|
486 |
|
|
free(defos); |
487 |
|
|
|
488 |
|
|
/* |
489 |
|
|
* When using a pager, finish writing both temporary files, |
490 |
|
|
* fork it, wait for the user to close it, and clean up. |
491 |
|
|
*/ |
492 |
|
|
|
493 |
|
|
if (tag_files != NULL) { |
494 |
|
|
fclose(stdout); |
495 |
|
|
tag_write(); |
496 |
|
|
man_pgid = getpgid(0); |
497 |
|
|
tag_files->tcpgid = man_pgid == getpid() ? |
498 |
|
|
getpgid(getppid()) : man_pgid; |
499 |
|
|
pager_pid = 0; |
500 |
|
|
signum = SIGSTOP; |
501 |
|
|
for (;;) { |
502 |
|
|
|
503 |
|
|
/* Stop here until moved to the foreground. */ |
504 |
|
|
|
505 |
|
|
tc_pgid = tcgetpgrp(STDIN_FILENO); |
506 |
|
|
if (tc_pgid != man_pgid) { |
507 |
|
|
if (tc_pgid == pager_pid) { |
508 |
|
|
(void)tcsetpgrp(STDIN_FILENO, |
509 |
|
|
man_pgid); |
510 |
|
|
if (signum == SIGTTIN) |
511 |
|
|
continue; |
512 |
|
|
} else |
513 |
|
|
tag_files->tcpgid = tc_pgid; |
514 |
|
|
kill(0, signum); |
515 |
|
|
continue; |
516 |
|
|
} |
517 |
|
|
|
518 |
|
|
/* Once in the foreground, activate the pager. */ |
519 |
|
|
|
520 |
|
|
if (pager_pid) { |
521 |
|
|
(void)tcsetpgrp(STDIN_FILENO, pager_pid); |
522 |
|
|
kill(pager_pid, SIGCONT); |
523 |
|
|
} else |
524 |
|
|
pager_pid = spawn_pager(tag_files); |
525 |
|
|
|
526 |
|
|
/* Wait for the pager to stop or exit. */ |
527 |
|
|
|
528 |
|
|
while ((pid = waitpid(pager_pid, &status, |
529 |
|
|
WUNTRACED)) == -1 && errno == EINTR) |
530 |
|
|
continue; |
531 |
|
|
|
532 |
|
|
if (pid == -1) { |
533 |
|
|
warn("wait"); |
534 |
|
|
rc = MANDOCLEVEL_SYSERR; |
535 |
|
|
break; |
536 |
|
|
} |
537 |
|
|
if (!WIFSTOPPED(status)) |
538 |
|
|
break; |
539 |
|
|
|
540 |
|
|
signum = WSTOPSIG(status); |
541 |
|
|
} |
542 |
|
|
tag_unlink(); |
543 |
|
|
} |
544 |
|
|
|
545 |
|
|
return (int)rc; |
546 |
|
|
} |
547 |
|
|
|
548 |
|
|
static void |
549 |
|
|
usage(enum argmode argmode) |
550 |
|
|
{ |
551 |
|
|
|
552 |
|
|
switch (argmode) { |
553 |
|
|
case ARG_FILE: |
554 |
|
|
fputs("usage: mandoc [-acfhkl] [-I os=name] " |
555 |
|
|
"[-K encoding] [-mformat] [-O option]\n" |
556 |
|
|
"\t [-T output] [-W level] [file ...]\n", stderr); |
557 |
|
|
break; |
558 |
|
|
case ARG_NAME: |
559 |
|
|
fputs("usage: man [-acfhklw] [-C file] [-I os=name] " |
560 |
|
|
"[-K encoding] [-M path] [-m path]\n" |
561 |
|
|
"\t [-O option=value] [-S subsection] [-s section] " |
562 |
|
|
"[-T output] [-W level]\n" |
563 |
|
|
"\t [section] name ...\n", stderr); |
564 |
|
|
break; |
565 |
|
|
case ARG_WORD: |
566 |
|
|
fputs("usage: whatis [-acfhklw] [-C file] " |
567 |
|
|
"[-M path] [-m path] [-O outkey] [-S arch]\n" |
568 |
|
|
"\t [-s section] name ...\n", stderr); |
569 |
|
|
break; |
570 |
|
|
case ARG_EXPR: |
571 |
|
|
fputs("usage: apropos [-acfhklw] [-C file] " |
572 |
|
|
"[-M path] [-m path] [-O outkey] [-S arch]\n" |
573 |
|
|
"\t [-s section] expression ...\n", stderr); |
574 |
|
|
break; |
575 |
|
|
} |
576 |
|
|
exit((int)MANDOCLEVEL_BADARG); |
577 |
|
|
} |
578 |
|
|
|
579 |
|
|
static int |
580 |
|
|
fs_lookup(const struct manpaths *paths, size_t ipath, |
581 |
|
|
const char *sec, const char *arch, const char *name, |
582 |
|
|
struct manpage **res, size_t *ressz) |
583 |
|
|
{ |
584 |
|
|
glob_t globinfo; |
585 |
|
|
struct manpage *page; |
586 |
|
|
char *file; |
587 |
|
|
int form, globres; |
588 |
|
|
|
589 |
|
|
form = FORM_SRC; |
590 |
|
|
mandoc_asprintf(&file, "%s/man%s/%s.%s", |
591 |
|
|
paths->paths[ipath], sec, name, sec); |
592 |
|
|
if (access(file, R_OK) != -1) |
593 |
|
|
goto found; |
594 |
|
|
free(file); |
595 |
|
|
|
596 |
|
|
mandoc_asprintf(&file, "%s/cat%s/%s.0", |
597 |
|
|
paths->paths[ipath], sec, name); |
598 |
|
|
if (access(file, R_OK) != -1) { |
599 |
|
|
form = FORM_CAT; |
600 |
|
|
goto found; |
601 |
|
|
} |
602 |
|
|
free(file); |
603 |
|
|
|
604 |
|
|
if (arch != NULL) { |
605 |
|
|
mandoc_asprintf(&file, "%s/man%s/%s/%s.%s", |
606 |
|
|
paths->paths[ipath], sec, arch, name, sec); |
607 |
|
|
if (access(file, R_OK) != -1) |
608 |
|
|
goto found; |
609 |
|
|
free(file); |
610 |
|
|
} |
611 |
|
|
|
612 |
|
|
mandoc_asprintf(&file, "%s/man%s/%s.[01-9]*", |
613 |
|
|
paths->paths[ipath], sec, name); |
614 |
|
|
globres = glob(file, 0, NULL, &globinfo); |
615 |
|
|
if (globres != 0 && globres != GLOB_NOMATCH) |
616 |
|
|
warn("%s: glob", file); |
617 |
|
|
free(file); |
618 |
|
|
if (globres == 0) |
619 |
|
|
file = mandoc_strdup(*globinfo.gl_pathv); |
620 |
|
|
globfree(&globinfo); |
621 |
|
|
if (globres != 0) |
622 |
|
|
return 0; |
623 |
|
|
|
624 |
|
|
found: |
625 |
|
|
warnx("outdated mandoc.db lacks %s(%s) entry, run makewhatis %s", |
626 |
|
|
name, sec, paths->paths[ipath]); |
627 |
|
|
*res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage)); |
628 |
|
|
page = *res + (*ressz - 1); |
629 |
|
|
page->file = file; |
630 |
|
|
page->names = NULL; |
631 |
|
|
page->output = NULL; |
632 |
|
|
page->ipath = ipath; |
633 |
|
|
page->bits = NAME_FILE & NAME_MASK; |
634 |
|
|
page->sec = (*sec >= '1' && *sec <= '9') ? *sec - '1' + 1 : 10; |
635 |
|
|
page->form = form; |
636 |
|
|
return 1; |
637 |
|
|
} |
638 |
|
|
|
639 |
|
|
static void |
640 |
|
|
fs_search(const struct mansearch *cfg, const struct manpaths *paths, |
641 |
|
|
int argc, char **argv, struct manpage **res, size_t *ressz) |
642 |
|
|
{ |
643 |
|
|
const char *const sections[] = |
644 |
|
|
{"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"}; |
645 |
|
|
const size_t nsec = sizeof(sections)/sizeof(sections[0]); |
646 |
|
|
|
647 |
|
|
size_t ipath, isec, lastsz; |
648 |
|
|
|
649 |
|
|
assert(cfg->argmode == ARG_NAME); |
650 |
|
|
|
651 |
|
|
*res = NULL; |
652 |
|
|
*ressz = lastsz = 0; |
653 |
|
|
while (argc) { |
654 |
|
|
for (ipath = 0; ipath < paths->sz; ipath++) { |
655 |
|
|
if (cfg->sec != NULL) { |
656 |
|
|
if (fs_lookup(paths, ipath, cfg->sec, |
657 |
|
|
cfg->arch, *argv, res, ressz) && |
658 |
|
|
cfg->firstmatch) |
659 |
|
|
return; |
660 |
|
|
} else for (isec = 0; isec < nsec; isec++) |
661 |
|
|
if (fs_lookup(paths, ipath, sections[isec], |
662 |
|
|
cfg->arch, *argv, res, ressz) && |
663 |
|
|
cfg->firstmatch) |
664 |
|
|
return; |
665 |
|
|
} |
666 |
|
|
if (*ressz == lastsz) |
667 |
|
|
warnx("No entry for %s in the manual.", *argv); |
668 |
|
|
lastsz = *ressz; |
669 |
|
|
argv++; |
670 |
|
|
argc--; |
671 |
|
|
} |
672 |
|
|
} |
673 |
|
|
|
674 |
|
|
static void |
675 |
|
|
parse(struct curparse *curp, int fd, const char *file) |
676 |
|
|
{ |
677 |
|
|
enum mandoclevel rctmp; |
678 |
|
|
struct roff_man *man; |
679 |
|
|
|
680 |
|
|
/* Begin by parsing the file itself. */ |
681 |
|
|
|
682 |
|
|
assert(file); |
683 |
|
|
assert(fd >= 0); |
684 |
|
|
|
685 |
|
|
rctmp = mparse_readfd(curp->mp, fd, file); |
686 |
|
|
if (fd != STDIN_FILENO) |
687 |
|
|
close(fd); |
688 |
|
|
if (rc < rctmp) |
689 |
|
|
rc = rctmp; |
690 |
|
|
|
691 |
|
|
/* |
692 |
|
|
* With -Wstop and warnings or errors of at least the requested |
693 |
|
|
* level, do not produce output. |
694 |
|
|
*/ |
695 |
|
|
|
696 |
|
|
if (rctmp != MANDOCLEVEL_OK && curp->wstop) |
697 |
|
|
return; |
698 |
|
|
|
699 |
|
|
/* If unset, allocate output dev now (if applicable). */ |
700 |
|
|
|
701 |
|
|
if (curp->outdata == NULL) { |
702 |
|
|
switch (curp->outtype) { |
703 |
|
|
case OUTT_HTML: |
704 |
|
|
curp->outdata = html_alloc(curp->outopts); |
705 |
|
|
break; |
706 |
|
|
case OUTT_UTF8: |
707 |
|
|
curp->outdata = utf8_alloc(curp->outopts); |
708 |
|
|
break; |
709 |
|
|
case OUTT_LOCALE: |
710 |
|
|
curp->outdata = locale_alloc(curp->outopts); |
711 |
|
|
break; |
712 |
|
|
case OUTT_ASCII: |
713 |
|
|
curp->outdata = ascii_alloc(curp->outopts); |
714 |
|
|
break; |
715 |
|
|
case OUTT_PDF: |
716 |
|
|
curp->outdata = pdf_alloc(curp->outopts); |
717 |
|
|
break; |
718 |
|
|
case OUTT_PS: |
719 |
|
|
curp->outdata = ps_alloc(curp->outopts); |
720 |
|
|
break; |
721 |
|
|
default: |
722 |
|
|
break; |
723 |
|
|
} |
724 |
|
|
} |
725 |
|
|
|
726 |
|
|
mparse_result(curp->mp, &man, NULL); |
727 |
|
|
|
728 |
|
|
/* Execute the out device, if it exists. */ |
729 |
|
|
|
730 |
|
|
if (man == NULL) |
731 |
|
|
return; |
732 |
|
|
if (man->macroset == MACROSET_MDOC) { |
733 |
|
|
mdoc_validate(man); |
734 |
|
|
switch (curp->outtype) { |
735 |
|
|
case OUTT_HTML: |
736 |
|
|
html_mdoc(curp->outdata, man); |
737 |
|
|
break; |
738 |
|
|
case OUTT_TREE: |
739 |
|
|
tree_mdoc(curp->outdata, man); |
740 |
|
|
break; |
741 |
|
|
case OUTT_MAN: |
742 |
|
|
man_mdoc(curp->outdata, man); |
743 |
|
|
break; |
744 |
|
|
case OUTT_PDF: |
745 |
|
|
case OUTT_ASCII: |
746 |
|
|
case OUTT_UTF8: |
747 |
|
|
case OUTT_LOCALE: |
748 |
|
|
case OUTT_PS: |
749 |
|
|
terminal_mdoc(curp->outdata, man); |
750 |
|
|
break; |
751 |
|
|
default: |
752 |
|
|
break; |
753 |
|
|
} |
754 |
|
|
} |
755 |
|
|
if (man->macroset == MACROSET_MAN) { |
756 |
|
|
man_validate(man); |
757 |
|
|
switch (curp->outtype) { |
758 |
|
|
case OUTT_HTML: |
759 |
|
|
html_man(curp->outdata, man); |
760 |
|
|
break; |
761 |
|
|
case OUTT_TREE: |
762 |
|
|
tree_man(curp->outdata, man); |
763 |
|
|
break; |
764 |
|
|
case OUTT_MAN: |
765 |
|
|
man_man(curp->outdata, man); |
766 |
|
|
break; |
767 |
|
|
case OUTT_PDF: |
768 |
|
|
case OUTT_ASCII: |
769 |
|
|
case OUTT_UTF8: |
770 |
|
|
case OUTT_LOCALE: |
771 |
|
|
case OUTT_PS: |
772 |
|
|
terminal_man(curp->outdata, man); |
773 |
|
|
break; |
774 |
|
|
default: |
775 |
|
|
break; |
776 |
|
|
} |
777 |
|
|
} |
778 |
|
|
} |
779 |
|
|
|
780 |
|
|
static void |
781 |
|
|
passthrough(const char *file, int fd, int synopsis_only) |
782 |
|
|
{ |
783 |
|
|
const char synb[] = "S\bSY\bYN\bNO\bOP\bPS\bSI\bIS\bS"; |
784 |
|
|
const char synr[] = "SYNOPSIS"; |
785 |
|
|
|
786 |
|
|
FILE *stream; |
787 |
|
|
const char *syscall; |
788 |
|
|
char *line, *cp; |
789 |
|
|
size_t linesz; |
790 |
|
|
int print; |
791 |
|
|
|
792 |
|
|
line = NULL; |
793 |
|
|
linesz = 0; |
794 |
|
|
|
795 |
|
|
if ((stream = fdopen(fd, "r")) == NULL) { |
796 |
|
|
close(fd); |
797 |
|
|
syscall = "fdopen"; |
798 |
|
|
goto fail; |
799 |
|
|
} |
800 |
|
|
|
801 |
|
|
print = 0; |
802 |
|
|
while (getline(&line, &linesz, stream) != -1) { |
803 |
|
|
cp = line; |
804 |
|
|
if (synopsis_only) { |
805 |
|
|
if (print) { |
806 |
|
|
if ( ! isspace((unsigned char)*cp)) |
807 |
|
|
goto done; |
808 |
|
|
while (isspace((unsigned char)*cp)) |
809 |
|
|
cp++; |
810 |
|
|
} else { |
811 |
|
|
if (strcmp(cp, synb) == 0 || |
812 |
|
|
strcmp(cp, synr) == 0) |
813 |
|
|
print = 1; |
814 |
|
|
continue; |
815 |
|
|
} |
816 |
|
|
} |
817 |
|
|
if (fputs(cp, stdout)) { |
818 |
|
|
fclose(stream); |
819 |
|
|
syscall = "fputs"; |
820 |
|
|
goto fail; |
821 |
|
|
} |
822 |
|
|
} |
823 |
|
|
|
824 |
|
|
if (ferror(stream)) { |
825 |
|
|
fclose(stream); |
826 |
|
|
syscall = "getline"; |
827 |
|
|
goto fail; |
828 |
|
|
} |
829 |
|
|
|
830 |
|
|
done: |
831 |
|
|
free(line); |
832 |
|
|
fclose(stream); |
833 |
|
|
return; |
834 |
|
|
|
835 |
|
|
fail: |
836 |
|
|
free(line); |
837 |
|
|
warn("%s: SYSERR: %s", file, syscall); |
838 |
|
|
if (rc < MANDOCLEVEL_SYSERR) |
839 |
|
|
rc = MANDOCLEVEL_SYSERR; |
840 |
|
|
} |
841 |
|
|
|
842 |
|
|
static int |
843 |
|
|
koptions(int *options, char *arg) |
844 |
|
|
{ |
845 |
|
|
|
846 |
|
|
if ( ! strcmp(arg, "utf-8")) { |
847 |
|
|
*options |= MPARSE_UTF8; |
848 |
|
|
*options &= ~MPARSE_LATIN1; |
849 |
|
|
} else if ( ! strcmp(arg, "iso-8859-1")) { |
850 |
|
|
*options |= MPARSE_LATIN1; |
851 |
|
|
*options &= ~MPARSE_UTF8; |
852 |
|
|
} else if ( ! strcmp(arg, "us-ascii")) { |
853 |
|
|
*options &= ~(MPARSE_UTF8 | MPARSE_LATIN1); |
854 |
|
|
} else { |
855 |
|
|
warnx("-K %s: Bad argument", arg); |
856 |
|
|
return 0; |
857 |
|
|
} |
858 |
|
|
return 1; |
859 |
|
|
} |
860 |
|
|
|
861 |
|
|
static int |
862 |
|
|
moptions(int *options, char *arg) |
863 |
|
|
{ |
864 |
|
|
|
865 |
|
|
if (arg == NULL) |
866 |
|
|
/* nothing to do */; |
867 |
|
|
else if (0 == strcmp(arg, "doc")) |
868 |
|
|
*options |= MPARSE_MDOC; |
869 |
|
|
else if (0 == strcmp(arg, "andoc")) |
870 |
|
|
/* nothing to do */; |
871 |
|
|
else if (0 == strcmp(arg, "an")) |
872 |
|
|
*options |= MPARSE_MAN; |
873 |
|
|
else { |
874 |
|
|
warnx("-m %s: Bad argument", arg); |
875 |
|
|
return 0; |
876 |
|
|
} |
877 |
|
|
|
878 |
|
|
return 1; |
879 |
|
|
} |
880 |
|
|
|
881 |
|
|
static int |
882 |
|
|
toptions(struct curparse *curp, char *arg) |
883 |
|
|
{ |
884 |
|
|
|
885 |
|
|
if (0 == strcmp(arg, "ascii")) |
886 |
|
|
curp->outtype = OUTT_ASCII; |
887 |
|
|
else if (0 == strcmp(arg, "lint")) { |
888 |
|
|
curp->outtype = OUTT_LINT; |
889 |
|
|
curp->wlevel = MANDOCLEVEL_WARNING; |
890 |
|
|
} else if (0 == strcmp(arg, "tree")) |
891 |
|
|
curp->outtype = OUTT_TREE; |
892 |
|
|
else if (0 == strcmp(arg, "man")) |
893 |
|
|
curp->outtype = OUTT_MAN; |
894 |
|
|
else if (0 == strcmp(arg, "html")) |
895 |
|
|
curp->outtype = OUTT_HTML; |
896 |
|
|
else if (0 == strcmp(arg, "utf8")) |
897 |
|
|
curp->outtype = OUTT_UTF8; |
898 |
|
|
else if (0 == strcmp(arg, "locale")) |
899 |
|
|
curp->outtype = OUTT_LOCALE; |
900 |
|
|
else if (0 == strcmp(arg, "xhtml")) |
901 |
|
|
curp->outtype = OUTT_HTML; |
902 |
|
|
else if (0 == strcmp(arg, "ps")) |
903 |
|
|
curp->outtype = OUTT_PS; |
904 |
|
|
else if (0 == strcmp(arg, "pdf")) |
905 |
|
|
curp->outtype = OUTT_PDF; |
906 |
|
|
else { |
907 |
|
|
warnx("-T %s: Bad argument", arg); |
908 |
|
|
return 0; |
909 |
|
|
} |
910 |
|
|
|
911 |
|
|
return 1; |
912 |
|
|
} |
913 |
|
|
|
914 |
|
|
static int |
915 |
|
|
woptions(struct curparse *curp, char *arg) |
916 |
|
|
{ |
917 |
|
|
char *v, *o; |
918 |
|
|
const char *toks[7]; |
919 |
|
|
|
920 |
|
|
toks[0] = "stop"; |
921 |
|
|
toks[1] = "all"; |
922 |
|
|
toks[2] = "warning"; |
923 |
|
|
toks[3] = "error"; |
924 |
|
|
toks[4] = "unsupp"; |
925 |
|
|
toks[5] = "fatal"; |
926 |
|
|
toks[6] = NULL; |
927 |
|
|
|
928 |
|
|
while (*arg) { |
929 |
|
|
o = arg; |
930 |
|
|
switch (getsubopt(&arg, (char * const *)toks, &v)) { |
931 |
|
|
case 0: |
932 |
|
|
curp->wstop = 1; |
933 |
|
|
break; |
934 |
|
|
case 1: |
935 |
|
|
case 2: |
936 |
|
|
curp->wlevel = MANDOCLEVEL_WARNING; |
937 |
|
|
break; |
938 |
|
|
case 3: |
939 |
|
|
curp->wlevel = MANDOCLEVEL_ERROR; |
940 |
|
|
break; |
941 |
|
|
case 4: |
942 |
|
|
curp->wlevel = MANDOCLEVEL_UNSUPP; |
943 |
|
|
break; |
944 |
|
|
case 5: |
945 |
|
|
curp->wlevel = MANDOCLEVEL_BADARG; |
946 |
|
|
break; |
947 |
|
|
default: |
948 |
|
|
warnx("-W %s: Bad argument", o); |
949 |
|
|
return 0; |
950 |
|
|
} |
951 |
|
|
} |
952 |
|
|
|
953 |
|
|
return 1; |
954 |
|
|
} |
955 |
|
|
|
956 |
|
|
static void |
957 |
|
|
mmsg(enum mandocerr t, enum mandoclevel lvl, |
958 |
|
|
const char *file, int line, int col, const char *msg) |
959 |
|
|
{ |
960 |
|
|
const char *mparse_msg; |
961 |
|
|
|
962 |
|
|
fprintf(stderr, "%s: %s:", getprogname(), file); |
963 |
|
|
|
964 |
|
|
if (line) |
965 |
|
|
fprintf(stderr, "%d:%d:", line, col + 1); |
966 |
|
|
|
967 |
|
|
fprintf(stderr, " %s", mparse_strlevel(lvl)); |
968 |
|
|
|
969 |
|
|
if (NULL != (mparse_msg = mparse_strerror(t))) |
970 |
|
|
fprintf(stderr, ": %s", mparse_msg); |
971 |
|
|
|
972 |
|
|
if (msg) |
973 |
|
|
fprintf(stderr, ": %s", msg); |
974 |
|
|
|
975 |
|
|
fputc('\n', stderr); |
976 |
|
|
} |
977 |
|
|
|
978 |
|
|
static pid_t |
979 |
|
|
spawn_pager(struct tag_files *tag_files) |
980 |
|
|
{ |
981 |
|
|
const struct timespec timeout = { 0, 100000000 }; /* 0.1s */ |
982 |
|
|
#define MAX_PAGER_ARGS 16 |
983 |
|
|
char *argv[MAX_PAGER_ARGS]; |
984 |
|
|
const char *pager; |
985 |
|
|
char *cp; |
986 |
|
|
size_t cmdlen; |
987 |
|
|
int argc; |
988 |
|
|
pid_t pager_pid; |
989 |
|
|
|
990 |
|
|
pager = getenv("MANPAGER"); |
991 |
|
|
if (pager == NULL || *pager == '\0') |
992 |
|
|
pager = getenv("PAGER"); |
993 |
|
|
if (pager == NULL || *pager == '\0') |
994 |
|
|
pager = "more -s"; |
995 |
|
|
cp = mandoc_strdup(pager); |
996 |
|
|
|
997 |
|
|
/* |
998 |
|
|
* Parse the pager command into words. |
999 |
|
|
* Intentionally do not do anything fancy here. |
1000 |
|
|
*/ |
1001 |
|
|
|
1002 |
|
|
argc = 0; |
1003 |
|
|
while (argc + 4 < MAX_PAGER_ARGS) { |
1004 |
|
|
argv[argc++] = cp; |
1005 |
|
|
cp = strchr(cp, ' '); |
1006 |
|
|
if (cp == NULL) |
1007 |
|
|
break; |
1008 |
|
|
*cp++ = '\0'; |
1009 |
|
|
while (*cp == ' ') |
1010 |
|
|
cp++; |
1011 |
|
|
if (*cp == '\0') |
1012 |
|
|
break; |
1013 |
|
|
} |
1014 |
|
|
|
1015 |
|
|
/* For more(1) and less(1), use the tag file. */ |
1016 |
|
|
|
1017 |
|
|
if ((cmdlen = strlen(argv[0])) >= 4) { |
1018 |
|
|
cp = argv[0] + cmdlen - 4; |
1019 |
|
|
if (strcmp(cp, "less") == 0 || strcmp(cp, "more") == 0) { |
1020 |
|
|
argv[argc++] = mandoc_strdup("-T"); |
1021 |
|
|
argv[argc++] = tag_files->tfn; |
1022 |
|
|
} |
1023 |
|
|
} |
1024 |
|
|
argv[argc++] = tag_files->ofn; |
1025 |
|
|
argv[argc] = NULL; |
1026 |
|
|
|
1027 |
|
|
switch (pager_pid = fork()) { |
1028 |
|
|
case -1: |
1029 |
|
|
err((int)MANDOCLEVEL_SYSERR, "fork"); |
1030 |
|
|
case 0: |
1031 |
|
|
break; |
1032 |
|
|
default: |
1033 |
|
|
(void)setpgid(pager_pid, 0); |
1034 |
|
|
(void)tcsetpgrp(STDIN_FILENO, pager_pid); |
1035 |
|
|
if (pledge("stdio rpath tmppath tty proc wpath cpath", NULL) == -1) |
1036 |
|
|
err((int)MANDOCLEVEL_SYSERR, "pledge"); |
1037 |
|
|
tag_files->pager_pid = pager_pid; |
1038 |
|
|
return pager_pid; |
1039 |
|
|
} |
1040 |
|
|
|
1041 |
|
|
/* The child process becomes the pager. */ |
1042 |
|
|
|
1043 |
|
|
if (dup2(tag_files->ofd, STDOUT_FILENO) == -1) |
1044 |
|
|
err((int)MANDOCLEVEL_SYSERR, "pager stdout"); |
1045 |
|
|
close(tag_files->ofd); |
1046 |
|
|
close(tag_files->tfd); |
1047 |
|
|
|
1048 |
|
|
/* Do not start the pager before controlling the terminal. */ |
1049 |
|
|
|
1050 |
|
|
while (tcgetpgrp(STDIN_FILENO) != getpid()) |
1051 |
|
|
nanosleep(&timeout, NULL); |
1052 |
|
|
|
1053 |
|
|
execvp(argv[0], argv); |
1054 |
|
|
err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]); |
1055 |
|
|
} |