-/* $Id: main.c,v 1.254 2015/11/06 16:30:33 schwarze Exp $ */
+/* $Id: main.c,v 1.285 2017/03/03 14:23:23 schwarze Exp $ */
/*
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2012, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2012, 2014-2017 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
#include <assert.h>
#include <ctype.h>
+#if HAVE_ERR
#include <err.h>
+#endif
+#include <errno.h>
#include <fcntl.h>
#include <glob.h>
+#if HAVE_SANDBOX_INIT
+#include <sandbox.h>
+#endif
#include <signal.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
+#include <time.h>
#include <unistd.h>
#include "mandoc_aux.h"
#include "manconf.h"
#include "mansearch.h"
-#if !defined(__GNUC__) || (__GNUC__ < 2)
-# if !defined(lint)
-# define __attribute__(x)
-# endif
-#endif /* !defined(__GNUC__) || (__GNUC__ < 2) */
-
enum outmode {
OUTMODE_DEF = 0,
OUTMODE_FLN,
OUTT_TREE, /* -Ttree */
OUTT_MAN, /* -Tman */
OUTT_HTML, /* -Thtml */
+ OUTT_MARKDOWN, /* -Tmarkdown */
OUTT_LINT, /* -Tlint */
OUTT_PS, /* -Tps */
OUTT_PDF /* -Tpdf */
struct manoutput *outopts; /* output options */
};
+
+int mandocdb(int, char *[]);
+
static int fs_lookup(const struct manpaths *,
size_t ipath, const char *,
const char *, const char *,
const struct manpaths *, int, char**,
struct manpage **, size_t *);
static int koptions(int *, char *);
-#if HAVE_SQLITE3
-int mandocdb(int, char**);
-#endif
static int moptions(int *, char *);
static void mmsg(enum mandocerr, enum mandoclevel,
const char *, int, int, const char *);
+static void outdata_alloc(struct curparse *);
static void parse(struct curparse *, int, const char *);
static void passthrough(const char *, int, int);
static pid_t spawn_pager(struct tag_files *);
static int toptions(struct curparse *, char *);
-static void usage(enum argmode) __attribute__((noreturn));
+static void usage(enum argmode) __attribute__((__noreturn__));
static int woptions(struct curparse *, char *);
static const int sec_prios[] = {1, 4, 5, 8, 6, 3, 7, 2, 9};
main(int argc, char *argv[])
{
struct manconf conf;
- struct curparse curp;
struct mansearch search;
+ struct curparse curp;
struct tag_files *tag_files;
- const char *progname;
- char *auxpaths;
- char *defos;
- unsigned char *uc;
struct manpage *res, *resp;
- char *conf_file, *defpaths;
- size_t isec, i, sz;
+ const char *progname, *sec, *thisarg;
+ char *conf_file, *defpaths, *auxpaths;
+ char *defos, *oarg;
+ unsigned char *uc;
+ size_t i, sz;
int prio, best_prio;
- char sec;
- enum mandoclevel rctmp;
enum outmode outmode;
int fd;
int show_usage;
int options;
int use_pager;
+ int status, signum;
int c;
+ pid_t pager_pid, tc_pgid, man_pgid, pid;
#if HAVE_PROGNAME
progname = getprogname();
setprogname(progname);
#endif
-#if HAVE_SQLITE3
if (strncmp(progname, "mandocdb", 8) == 0 ||
strcmp(progname, BINM_MAKEWHATIS) == 0)
return mandocdb(argc, argv);
+
+#if HAVE_PLEDGE
+ if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pledge");
+#endif
+
+#if HAVE_SANDBOX_INIT
+ if (sandbox_init(kSBXProfileNoInternet, SANDBOX_NAMED, NULL) == -1)
+ errx((int)MANDOCLEVEL_SYSERR, "sandbox_init");
#endif
/* Search options. */
memset(&search, 0, sizeof(struct mansearch));
search.outkey = "Nd";
+ oarg = NULL;
if (strcmp(progname, BINM_MAN) == 0)
search.argmode = ARG_NAME;
auxpaths = optarg;
break;
case 'O':
- search.outkey = optarg;
- while (optarg != NULL)
- manconf_output(&conf.output,
- strsep(&optarg, ","));
+ oarg = optarg;
break;
case 'S':
search.arch = optarg;
}
}
+ if (oarg != NULL) {
+ if (outmode == OUTMODE_LST)
+ search.outkey = oarg;
+ else {
+ while (oarg != NULL) {
+ thisarg = oarg;
+ if (manconf_output(&conf.output,
+ strsep(&oarg, ","), 0) == 0)
+ continue;
+ warnx("-O %s: Bad argument", thisarg);
+ return (int)MANDOCLEVEL_BADARG;
+ }
+ }
+ }
+
if (outmode == OUTMODE_FLN ||
outmode == OUTMODE_LST ||
!isatty(STDOUT_FILENO))
use_pager = 0;
+#if HAVE_PLEDGE
+ if (!use_pager)
+ if (pledge("stdio rpath", NULL) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pledge");
+#endif
+
/* Parse arguments. */
if (argc > 0) {
/* man(1), whatis(1), apropos(1) */
if (search.argmode != ARG_FILE) {
- if (argc == 0)
- usage(search.argmode);
-
if (search.argmode == ARG_NAME &&
outmode == OUTMODE_ONE)
search.firstmatch = 1;
/* Access the mandoc database. */
manconf_parse(&conf, conf_file, defpaths, auxpaths);
-#if HAVE_SQLITE3
- mansearch_setup(1);
if ( ! mansearch(&search, &conf.manpath,
argc, argv, &res, &sz))
usage(search.argmode);
-#else
- if (search.argmode != ARG_NAME) {
- fputs("mandoc: database support not compiled in\n",
- stderr);
- return (int)MANDOCLEVEL_BADARG;
- }
- sz = 0;
-#endif
if (sz == 0) {
if (search.argmode == ARG_NAME)
if (outmode == OUTMODE_ONE) {
argc = 1;
- best_prio = 10;
+ best_prio = 20;
} else if (outmode == OUTMODE_ALL)
argc = (int)sz;
res[i].output);
else if (outmode == OUTMODE_ONE) {
/* Search for the best section. */
- isec = strcspn(res[i].file, "123456789");
- sec = res[i].file[isec];
- if ('\0' == sec)
+ sec = res[i].file;
+ sec += strcspn(sec, "123456789");
+ if (sec[0] == '\0')
continue;
- prio = sec_prios[sec - '1'];
+ prio = sec_prios[sec[0] - '1'];
+ if (sec[1] != '/')
+ prio += 10;
if (prio >= best_prio)
continue;
best_prio = prio;
/* mandoc(1) */
+#if HAVE_PLEDGE
+ if (use_pager) {
+ if (pledge("stdio rpath tmppath tty proc exec", NULL) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pledge");
+ } else {
+ if (pledge("stdio rpath", NULL) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pledge");
+ }
+#endif
+
if (search.argmode == ARG_FILE && ! moptions(&options, auxpaths))
return (int)MANDOCLEVEL_BADARG;
}
while (argc > 0) {
- rctmp = mparse_open(curp.mp, &fd,
- resp != NULL ? resp->file : *argv);
- if (rc < rctmp)
- rc = rctmp;
-
+ fd = mparse_open(curp.mp, resp != NULL ? resp->file : *argv);
if (fd != -1) {
if (use_pager) {
tag_files = tag_init();
if (resp == NULL)
parse(&curp, fd, *argv);
- else if (resp->form & FORM_SRC) {
+ else if (resp->form == FORM_SRC) {
/* For .so only; ignore failure. */
chdir(conf.manpath.paths[resp->ipath]);
parse(&curp, fd, resp->file);
passthrough(resp->file, fd,
conf.output.synopsisonly);
- if (argc > 1 && curp.outtype <= OUTT_UTF8)
- ascii_sepline(curp.outdata);
- }
+ if (argc > 1 && curp.outtype <= OUTT_UTF8) {
+ if (curp.outdata == NULL)
+ outdata_alloc(&curp);
+ terminal_sepline(curp.outdata);
+ }
+ } else if (rc < MANDOCLEVEL_ERROR)
+ rc = MANDOCLEVEL_ERROR;
if (MANDOCLEVEL_OK != rc && curp.wstop)
break;
out:
if (search.argmode != ARG_FILE) {
manconf_free(&conf);
-#if HAVE_SQLITE3
mansearch_free(res, sz);
- mansearch_setup(0);
-#endif
}
free(defos);
if (tag_files != NULL) {
fclose(stdout);
tag_write();
- waitpid(spawn_pager(tag_files), NULL, 0);
+ man_pgid = getpgid(0);
+ tag_files->tcpgid = man_pgid == getpid() ?
+ getpgid(getppid()) : man_pgid;
+ pager_pid = 0;
+ signum = SIGSTOP;
+ for (;;) {
+
+ /* Stop here until moved to the foreground. */
+
+ tc_pgid = tcgetpgrp(tag_files->ofd);
+ if (tc_pgid != man_pgid) {
+ if (tc_pgid == pager_pid) {
+ (void)tcsetpgrp(tag_files->ofd,
+ man_pgid);
+ if (signum == SIGTTIN)
+ continue;
+ } else
+ tag_files->tcpgid = tc_pgid;
+ kill(0, signum);
+ continue;
+ }
+
+ /* Once in the foreground, activate the pager. */
+
+ if (pager_pid) {
+ (void)tcsetpgrp(tag_files->ofd, pager_pid);
+ kill(pager_pid, SIGCONT);
+ } else
+ pager_pid = spawn_pager(tag_files);
+
+ /* Wait for the pager to stop or exit. */
+
+ while ((pid = waitpid(pager_pid, &status,
+ WUNTRACED)) == -1 && errno == EINTR)
+ continue;
+
+ if (pid == -1) {
+ warn("wait");
+ rc = MANDOCLEVEL_SYSERR;
+ break;
+ }
+ if (!WIFSTOPPED(status))
+ break;
+
+ signum = WSTOPSIG(status);
+ }
tag_unlink();
}
glob_t globinfo;
struct manpage *page;
char *file;
- int form, globres;
+ int globres;
+ enum form form;
form = FORM_SRC;
mandoc_asprintf(&file, "%s/man%s/%s.%s",
return 0;
found:
-#if HAVE_SQLITE3
- warnx("outdated mandoc.db lacks %s(%s) entry, run makewhatis %s",
- name, sec, paths->paths[ipath]);
-#endif
+ warnx("outdated mandoc.db lacks %s(%s) entry, run %s %s",
+ name, sec, BINM_MAKEWHATIS, paths->paths[ipath]);
*res = mandoc_reallocarray(*res, ++*ressz, sizeof(struct manpage));
page = *res + (*ressz - 1);
page->file = file;
int argc, char **argv, struct manpage **res, size_t *ressz)
{
const char *const sections[] =
- {"1", "8", "6", "2", "3", "3p", "5", "7", "4", "9"};
+ {"1", "8", "6", "2", "3", "5", "7", "4", "9", "3p"};
const size_t nsec = sizeof(sections)/sizeof(sections[0]);
size_t ipath, isec, lastsz;
/* Begin by parsing the file itself. */
assert(file);
- assert(fd >= -1);
+ assert(fd >= 0);
rctmp = mparse_readfd(curp->mp, fd, file);
+ if (fd != STDIN_FILENO)
+ close(fd);
if (rc < rctmp)
rc = rctmp;
if (rctmp != MANDOCLEVEL_OK && curp->wstop)
return;
- /* If unset, allocate output dev now (if applicable). */
-
- if (curp->outdata == NULL) {
- switch (curp->outtype) {
- case OUTT_HTML:
- curp->outdata = html_alloc(curp->outopts);
- break;
- case OUTT_UTF8:
- curp->outdata = utf8_alloc(curp->outopts);
- break;
- case OUTT_LOCALE:
- curp->outdata = locale_alloc(curp->outopts);
- break;
- case OUTT_ASCII:
- curp->outdata = ascii_alloc(curp->outopts);
- break;
- case OUTT_PDF:
- curp->outdata = pdf_alloc(curp->outopts);
- break;
- case OUTT_PS:
- curp->outdata = ps_alloc(curp->outopts);
- break;
- default:
- break;
- }
- }
+ if (curp->outdata == NULL)
+ outdata_alloc(curp);
mparse_result(curp->mp, &man, NULL);
if (man == NULL)
return;
if (man->macroset == MACROSET_MDOC) {
- mdoc_validate(man);
+ if (curp->outtype != OUTT_TREE || !curp->outopts->noval)
+ mdoc_validate(man);
switch (curp->outtype) {
case OUTT_HTML:
html_mdoc(curp->outdata, man);
case OUTT_PS:
terminal_mdoc(curp->outdata, man);
break;
+ case OUTT_MARKDOWN:
+ markdown_mdoc(curp->outdata, man);
+ break;
default:
break;
}
}
if (man->macroset == MACROSET_MAN) {
- man_validate(man);
+ if (curp->outtype != OUTT_TREE || !curp->outopts->noval)
+ man_validate(man);
switch (curp->outtype) {
case OUTT_HTML:
html_man(curp->outdata, man);
break;
}
}
+ mparse_updaterc(curp->mp, &rc);
+}
+
+static void
+outdata_alloc(struct curparse *curp)
+{
+ switch (curp->outtype) {
+ case OUTT_HTML:
+ curp->outdata = html_alloc(curp->outopts);
+ break;
+ case OUTT_UTF8:
+ curp->outdata = utf8_alloc(curp->outopts);
+ break;
+ case OUTT_LOCALE:
+ curp->outdata = locale_alloc(curp->outopts);
+ break;
+ case OUTT_ASCII:
+ curp->outdata = ascii_alloc(curp->outopts);
+ break;
+ case OUTT_PDF:
+ curp->outdata = pdf_alloc(curp->outopts);
+ break;
+ case OUTT_PS:
+ curp->outdata = ps_alloc(curp->outopts);
+ break;
+ default:
+ break;
+ }
}
static void
FILE *stream;
const char *syscall;
- char *line;
- size_t len, off;
- ssize_t nw;
+ char *line, *cp;
+ size_t linesz;
+ ssize_t len, written;
int print;
- fflush(stdout);
+ line = NULL;
+ linesz = 0;
+
+ if (fflush(stdout) == EOF) {
+ syscall = "fflush";
+ goto fail;
+ }
if ((stream = fdopen(fd, "r")) == NULL) {
close(fd);
}
print = 0;
- while ((line = fgetln(stream, &len)) != NULL) {
+ while ((len = getline(&line, &linesz, stream)) != -1) {
+ cp = line;
if (synopsis_only) {
if (print) {
- if ( ! isspace((unsigned char)*line))
+ if ( ! isspace((unsigned char)*cp))
goto done;
- while (len &&
- isspace((unsigned char)*line)) {
- line++;
+ while (isspace((unsigned char)*cp)) {
+ cp++;
len--;
}
} else {
- if ((len == sizeof(synb) &&
- ! strncmp(line, synb, len - 1)) ||
- (len == sizeof(synr) &&
- ! strncmp(line, synr, len - 1)))
+ if (strcmp(cp, synb) == 0 ||
+ strcmp(cp, synr) == 0)
print = 1;
continue;
}
}
- for (off = 0; off < len; off += nw)
- if ((nw = write(STDOUT_FILENO, line + off,
- len - off)) == -1 || nw == 0) {
- fclose(stream);
- syscall = "write";
- goto fail;
- }
+ for (; len > 0; len -= written) {
+ if ((written = write(STDOUT_FILENO, cp, len)) != -1)
+ continue;
+ fclose(stream);
+ syscall = "write";
+ goto fail;
+ }
}
if (ferror(stream)) {
fclose(stream);
- syscall = "fgetln";
+ syscall = "getline";
goto fail;
}
done:
+ free(line);
fclose(stream);
return;
fail:
+ free(line);
warn("%s: SYSERR: %s", file, syscall);
if (rc < MANDOCLEVEL_SYSERR)
rc = MANDOCLEVEL_SYSERR;
curp->outtype = OUTT_MAN;
else if (0 == strcmp(arg, "html"))
curp->outtype = OUTT_HTML;
+ else if (0 == strcmp(arg, "markdown"))
+ curp->outtype = OUTT_MARKDOWN;
else if (0 == strcmp(arg, "utf8"))
curp->outtype = OUTT_UTF8;
else if (0 == strcmp(arg, "locale"))
while (*arg) {
o = arg;
- switch (getsubopt(&arg, UNCONST(toks), &v)) {
+ switch (getsubopt(&arg, (char * const *)toks, &v)) {
case 0:
curp->wstop = 1;
break;
{
const char *mparse_msg;
- fprintf(stderr, "%s: %s:", getprogname(), file);
+ fprintf(stderr, "%s: %s:", getprogname(),
+ file == NULL ? "<stdin>" : file);
if (line)
fprintf(stderr, "%d:%d:", line, col + 1);
static pid_t
spawn_pager(struct tag_files *tag_files)
{
+ const struct timespec timeout = { 0, 100000000 }; /* 0.1s */
#define MAX_PAGER_ARGS 16
char *argv[MAX_PAGER_ARGS];
const char *pager;
break;
}
- /* For more(1) and less(1), use the tag file. */
+ /* For less(1), use the tag file. */
if ((cmdlen = strlen(argv[0])) >= 4) {
cp = argv[0] + cmdlen - 4;
- if (strcmp(cp, "less") == 0 || strcmp(cp, "more") == 0) {
+ if (strcmp(cp, "less") == 0) {
argv[argc++] = mandoc_strdup("-T");
argv[argc++] = tag_files->tfn;
}
case 0:
break;
default:
+ (void)setpgid(pager_pid, 0);
+ (void)tcsetpgrp(tag_files->ofd, pager_pid);
+#if HAVE_PLEDGE
+ if (pledge("stdio rpath tmppath tty proc", NULL) == -1)
+ err((int)MANDOCLEVEL_SYSERR, "pledge");
+#endif
+ tag_files->pager_pid = pager_pid;
return pager_pid;
}
err((int)MANDOCLEVEL_SYSERR, "pager stdout");
close(tag_files->ofd);
close(tag_files->tfd);
+
+ /* Do not start the pager before controlling the terminal. */
+
+ while (tcgetpgrp(STDOUT_FILENO) != getpid())
+ nanosleep(&timeout, NULL);
+
execvp(argv[0], argv);
err((int)MANDOCLEVEL_SYSERR, "exec %s", argv[0]);
}