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mandocdb.c
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mandocdb.c
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/* $Id: mandocdb.c,v 1.216 2016/03/17 21:26:26 schwarze Exp $ */
/*
* Copyright (c) 2011, 2012 Kristaps Dzonsons <[email protected]>
* Copyright (c) 2011-2016 Ingo Schwarze <[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "config.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <assert.h>
#include <ctype.h>
#if HAVE_ERR
#include <err.h>
#endif
#include <errno.h>
#include <fcntl.h>
#if HAVE_FTS
#include <fts.h>
#else
#include "compat_fts.h"
#endif
#include <getopt.h>
#include <limits.h>
#include <stddef.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sqlite3.h>
#include "mandoc_aux.h"
#include "mandoc_ohash.h"
#include "mandoc.h"
#include "roff.h"
#include "mdoc.h"
#include "man.h"
#include "manconf.h"
#include "mansearch.h"
extern int mansearch_keymax;
extern const char *const mansearch_keynames[];
#define SQL_EXEC(_v) \
if (SQLITE_OK != sqlite3_exec(db, (_v), NULL, NULL, NULL)) \
say("", "%s: %s", (_v), sqlite3_errmsg(db))
#define SQL_BIND_TEXT(_s, _i, _v) \
if (SQLITE_OK != sqlite3_bind_text \
((_s), (_i)++, (_v), -1, SQLITE_STATIC)) \
say(mlink->file, "%s", sqlite3_errmsg(db))
#define SQL_BIND_INT(_s, _i, _v) \
if (SQLITE_OK != sqlite3_bind_int \
((_s), (_i)++, (_v))) \
say(mlink->file, "%s", sqlite3_errmsg(db))
#define SQL_BIND_INT64(_s, _i, _v) \
if (SQLITE_OK != sqlite3_bind_int64 \
((_s), (_i)++, (_v))) \
say(mlink->file, "%s", sqlite3_errmsg(db))
#define SQL_STEP(_s) \
if (SQLITE_DONE != sqlite3_step((_s))) \
say(mlink->file, "%s", sqlite3_errmsg(db))
enum op {
OP_DEFAULT = 0, /* new dbs from dir list or default config */
OP_CONFFILE, /* new databases from custom config file */
OP_UPDATE, /* delete/add entries in existing database */
OP_DELETE, /* delete entries from existing database */
OP_TEST /* change no databases, report potential problems */
};
struct str {
const struct mpage *mpage; /* if set, the owning parse */
uint64_t mask; /* bitmask in sequence */
char key[]; /* rendered text */
};
struct inodev {
ino_t st_ino;
dev_t st_dev;
};
struct mpage {
struct inodev inodev; /* used for hashing routine */
int64_t pageid; /* pageid in mpages SQL table */
char *sec; /* section from file content */
char *arch; /* architecture from file content */
char *title; /* title from file content */
char *desc; /* description from file content */
struct mlink *mlinks; /* singly linked list */
int form; /* format from file content */
int name_head_done;
};
struct mlink {
char file[PATH_MAX]; /* filename rel. to manpath */
char *dsec; /* section from directory */
char *arch; /* architecture from directory */
char *name; /* name from file name (not empty) */
char *fsec; /* section from file name suffix */
struct mlink *next; /* singly linked list */
struct mpage *mpage; /* parent */
int dform; /* format from directory */
int fform; /* format from file name suffix */
int gzip; /* filename has a .gz suffix */
};
enum stmt {
STMT_DELETE_PAGE = 0, /* delete mpage */
STMT_INSERT_PAGE, /* insert mpage */
STMT_INSERT_LINK, /* insert mlink */
STMT_INSERT_NAME, /* insert name */
STMT_SELECT_NAME, /* retrieve existing name flags */
STMT_INSERT_KEY, /* insert parsed key */
STMT__MAX
};
typedef int (*mdoc_fp)(struct mpage *, const struct roff_meta *,
const struct roff_node *);
struct mdoc_handler {
mdoc_fp fp; /* optional handler */
uint64_t mask; /* set unless handler returns 0 */
};
static void dbclose(int);
static void dbadd(struct mpage *);
static void dbadd_mlink(const struct mlink *mlink);
static void dbadd_mlink_name(const struct mlink *mlink);
static int dbopen(int);
static void dbprune(void);
static void filescan(const char *);
static void mlink_add(struct mlink *, const struct stat *);
static void mlink_check(struct mpage *, struct mlink *);
static void mlink_free(struct mlink *);
static void mlinks_undupe(struct mpage *);
static void mpages_free(void);
static void mpages_merge(struct mparse *);
static void names_check(void);
static void parse_cat(struct mpage *, int);
static void parse_man(struct mpage *, const struct roff_meta *,
const struct roff_node *);
static void parse_mdoc(struct mpage *, const struct roff_meta *,
const struct roff_node *);
static int parse_mdoc_head(struct mpage *, const struct roff_meta *,
const struct roff_node *);
static int parse_mdoc_Fd(struct mpage *, const struct roff_meta *,
const struct roff_node *);
static void parse_mdoc_fname(struct mpage *, const struct roff_node *);
static int parse_mdoc_Fn(struct mpage *, const struct roff_meta *,
const struct roff_node *);
static int parse_mdoc_Fo(struct mpage *, const struct roff_meta *,
const struct roff_node *);
static int parse_mdoc_Nd(struct mpage *, const struct roff_meta *,
const struct roff_node *);
static int parse_mdoc_Nm(struct mpage *, const struct roff_meta *,
const struct roff_node *);
static int parse_mdoc_Sh(struct mpage *, const struct roff_meta *,
const struct roff_node *);
static int parse_mdoc_Va(struct mpage *, const struct roff_meta *,
const struct roff_node *);
static int parse_mdoc_Xr(struct mpage *, const struct roff_meta *,
const struct roff_node *);
static void putkey(const struct mpage *, char *, uint64_t);
static void putkeys(const struct mpage *, char *, size_t, uint64_t);
static void putmdockey(const struct mpage *,
const struct roff_node *, uint64_t);
static int render_string(char **, size_t *);
static void say(const char *, const char *, ...);
static int set_basedir(const char *, int);
static int treescan(void);
static size_t utf8(unsigned int, char [7]);
static char tempfilename[32];
static int nodb; /* no database changes */
static int mparse_options; /* abort the parse early */
static int use_all; /* use all found files */
static int debug; /* print what we're doing */
static int warnings; /* warn about crap */
static int write_utf8; /* write UTF-8 output; else ASCII */
static int exitcode; /* to be returned by main */
static enum op op; /* operational mode */
static char basedir[PATH_MAX]; /* current base directory */
static struct ohash mpages; /* table of distinct manual pages */
static struct ohash mlinks; /* table of directory entries */
static struct ohash names; /* table of all names */
static struct ohash strings; /* table of all strings */
static sqlite3 *db = NULL; /* current database */
static sqlite3_stmt *stmts[STMT__MAX]; /* current statements */
static uint64_t name_mask;
static const struct mdoc_handler mdocs[MDOC_MAX] = {
{ NULL, 0 }, /* Ap */
{ NULL, 0 }, /* Dd */
{ NULL, 0 }, /* Dt */
{ NULL, 0 }, /* Os */
{ parse_mdoc_Sh, TYPE_Sh }, /* Sh */
{ parse_mdoc_head, TYPE_Ss }, /* Ss */
{ NULL, 0 }, /* Pp */
{ NULL, 0 }, /* D1 */
{ NULL, 0 }, /* Dl */
{ NULL, 0 }, /* Bd */
{ NULL, 0 }, /* Ed */
{ NULL, 0 }, /* Bl */
{ NULL, 0 }, /* El */
{ NULL, 0 }, /* It */
{ NULL, 0 }, /* Ad */
{ NULL, TYPE_An }, /* An */
{ NULL, TYPE_Ar }, /* Ar */
{ NULL, TYPE_Cd }, /* Cd */
{ NULL, TYPE_Cm }, /* Cm */
{ NULL, TYPE_Dv }, /* Dv */
{ NULL, TYPE_Er }, /* Er */
{ NULL, TYPE_Ev }, /* Ev */
{ NULL, 0 }, /* Ex */
{ NULL, TYPE_Fa }, /* Fa */
{ parse_mdoc_Fd, 0 }, /* Fd */
{ NULL, TYPE_Fl }, /* Fl */
{ parse_mdoc_Fn, 0 }, /* Fn */
{ NULL, TYPE_Ft }, /* Ft */
{ NULL, TYPE_Ic }, /* Ic */
{ NULL, TYPE_In }, /* In */
{ NULL, TYPE_Li }, /* Li */
{ parse_mdoc_Nd, 0 }, /* Nd */
{ parse_mdoc_Nm, 0 }, /* Nm */
{ NULL, 0 }, /* Op */
{ NULL, 0 }, /* Ot */
{ NULL, TYPE_Pa }, /* Pa */
{ NULL, 0 }, /* Rv */
{ NULL, TYPE_St }, /* St */
{ parse_mdoc_Va, TYPE_Va }, /* Va */
{ parse_mdoc_Va, TYPE_Vt }, /* Vt */
{ parse_mdoc_Xr, 0 }, /* Xr */
{ NULL, 0 }, /* %A */
{ NULL, 0 }, /* %B */
{ NULL, 0 }, /* %D */
{ NULL, 0 }, /* %I */
{ NULL, 0 }, /* %J */
{ NULL, 0 }, /* %N */
{ NULL, 0 }, /* %O */
{ NULL, 0 }, /* %P */
{ NULL, 0 }, /* %R */
{ NULL, 0 }, /* %T */
{ NULL, 0 }, /* %V */
{ NULL, 0 }, /* Ac */
{ NULL, 0 }, /* Ao */
{ NULL, 0 }, /* Aq */
{ NULL, TYPE_At }, /* At */
{ NULL, 0 }, /* Bc */
{ NULL, 0 }, /* Bf */
{ NULL, 0 }, /* Bo */
{ NULL, 0 }, /* Bq */
{ NULL, TYPE_Bsx }, /* Bsx */
{ NULL, TYPE_Bx }, /* Bx */
{ NULL, 0 }, /* Db */
{ NULL, 0 }, /* Dc */
{ NULL, 0 }, /* Do */
{ NULL, 0 }, /* Dq */
{ NULL, 0 }, /* Ec */
{ NULL, 0 }, /* Ef */
{ NULL, TYPE_Em }, /* Em */
{ NULL, 0 }, /* Eo */
{ NULL, TYPE_Fx }, /* Fx */
{ NULL, TYPE_Ms }, /* Ms */
{ NULL, 0 }, /* No */
{ NULL, 0 }, /* Ns */
{ NULL, TYPE_Nx }, /* Nx */
{ NULL, TYPE_Ox }, /* Ox */
{ NULL, 0 }, /* Pc */
{ NULL, 0 }, /* Pf */
{ NULL, 0 }, /* Po */
{ NULL, 0 }, /* Pq */
{ NULL, 0 }, /* Qc */
{ NULL, 0 }, /* Ql */
{ NULL, 0 }, /* Qo */
{ NULL, 0 }, /* Qq */
{ NULL, 0 }, /* Re */
{ NULL, 0 }, /* Rs */
{ NULL, 0 }, /* Sc */
{ NULL, 0 }, /* So */
{ NULL, 0 }, /* Sq */
{ NULL, 0 }, /* Sm */
{ NULL, 0 }, /* Sx */
{ NULL, TYPE_Sy }, /* Sy */
{ NULL, TYPE_Tn }, /* Tn */
{ NULL, 0 }, /* Ux */
{ NULL, 0 }, /* Xc */
{ NULL, 0 }, /* Xo */
{ parse_mdoc_Fo, 0 }, /* Fo */
{ NULL, 0 }, /* Fc */
{ NULL, 0 }, /* Oo */
{ NULL, 0 }, /* Oc */
{ NULL, 0 }, /* Bk */
{ NULL, 0 }, /* Ek */
{ NULL, 0 }, /* Bt */
{ NULL, 0 }, /* Hf */
{ NULL, 0 }, /* Fr */
{ NULL, 0 }, /* Ud */
{ NULL, TYPE_Lb }, /* Lb */
{ NULL, 0 }, /* Lp */
{ NULL, TYPE_Lk }, /* Lk */
{ NULL, TYPE_Mt }, /* Mt */
{ NULL, 0 }, /* Brq */
{ NULL, 0 }, /* Bro */
{ NULL, 0 }, /* Brc */
{ NULL, 0 }, /* %C */
{ NULL, 0 }, /* Es */
{ NULL, 0 }, /* En */
{ NULL, TYPE_Dx }, /* Dx */
{ NULL, 0 }, /* %Q */
{ NULL, 0 }, /* br */
{ NULL, 0 }, /* sp */
{ NULL, 0 }, /* %U */
{ NULL, 0 }, /* Ta */
{ NULL, 0 }, /* ll */
};
int
mandocdb(int argc, char *argv[])
{
struct manconf conf;
struct mparse *mp;
const char *path_arg, *progname;
size_t j, sz;
int ch, i;
#if HAVE_PLEDGE
if (pledge("stdio rpath wpath cpath fattr flock proc exec", NULL) == -1) {
warn("pledge");
return (int)MANDOCLEVEL_SYSERR;
}
#endif
memset(&conf, 0, sizeof(conf));
memset(stmts, 0, STMT__MAX * sizeof(sqlite3_stmt *));
/*
* We accept a few different invocations.
* The CHECKOP macro makes sure that invocation styles don't
* clobber each other.
*/
#define CHECKOP(_op, _ch) do \
if (OP_DEFAULT != (_op)) { \
warnx("-%c: Conflicting option", (_ch)); \
goto usage; \
} while (/*CONSTCOND*/0)
path_arg = NULL;
op = OP_DEFAULT;
while (-1 != (ch = getopt(argc, argv, "aC:Dd:npQT:tu:v")))
switch (ch) {
case 'a':
use_all = 1;
break;
case 'C':
CHECKOP(op, ch);
path_arg = optarg;
op = OP_CONFFILE;
break;
case 'D':
debug++;
break;
case 'd':
CHECKOP(op, ch);
path_arg = optarg;
op = OP_UPDATE;
break;
case 'n':
nodb = 1;
break;
case 'p':
warnings = 1;
break;
case 'Q':
mparse_options |= MPARSE_QUICK;
break;
case 'T':
if (strcmp(optarg, "utf8")) {
warnx("-T%s: Unsupported output format",
optarg);
goto usage;
}
write_utf8 = 1;
break;
case 't':
CHECKOP(op, ch);
dup2(STDOUT_FILENO, STDERR_FILENO);
op = OP_TEST;
nodb = warnings = 1;
break;
case 'u':
CHECKOP(op, ch);
path_arg = optarg;
op = OP_DELETE;
break;
case 'v':
/* Compatibility with espie@'s makewhatis. */
break;
default:
goto usage;
}
argc -= optind;
argv += optind;
#if HAVE_PLEDGE
if (nodb) {
if (pledge("stdio rpath", NULL) == -1) {
warn("pledge");
return (int)MANDOCLEVEL_SYSERR;
}
}
#endif
if (OP_CONFFILE == op && argc > 0) {
warnx("-C: Too many arguments");
goto usage;
}
exitcode = (int)MANDOCLEVEL_OK;
mchars_alloc();
mp = mparse_alloc(mparse_options, MANDOCLEVEL_BADARG, NULL, NULL);
mandoc_ohash_init(&mpages, 6, offsetof(struct mpage, inodev));
mandoc_ohash_init(&mlinks, 6, offsetof(struct mlink, file));
if (OP_UPDATE == op || OP_DELETE == op || OP_TEST == op) {
/*
* Most of these deal with a specific directory.
* Jump into that directory first.
*/
if (OP_TEST != op && 0 == set_basedir(path_arg, 1))
goto out;
if (dbopen(1)) {
/*
* The existing database is usable. Process
* all files specified on the command-line.
*/
#if HAVE_PLEDGE
if (!nodb) {
if (pledge("stdio rpath wpath cpath fattr flock", NULL) == -1) {
warn("pledge");
exitcode = (int)MANDOCLEVEL_SYSERR;
goto out;
}
}
#endif
use_all = 1;
for (i = 0; i < argc; i++)
filescan(argv[i]);
if (OP_TEST != op)
dbprune();
} else {
/*
* Database missing or corrupt.
* Recreate from scratch.
*/
exitcode = (int)MANDOCLEVEL_OK;
op = OP_DEFAULT;
if (0 == treescan())
goto out;
if (0 == dbopen(0))
goto out;
}
if (OP_DELETE != op)
mpages_merge(mp);
dbclose(OP_DEFAULT == op ? 0 : 1);
} else {
/*
* If we have arguments, use them as our manpaths.
* If we don't, grok from manpath(1) or however else
* manconf_parse() wants to do it.
*/
if (argc > 0) {
conf.manpath.paths = mandoc_reallocarray(NULL,
argc, sizeof(char *));
conf.manpath.sz = (size_t)argc;
for (i = 0; i < argc; i++)
conf.manpath.paths[i] = mandoc_strdup(argv[i]);
} else
manconf_parse(&conf, path_arg, NULL, NULL);
if (conf.manpath.sz == 0) {
exitcode = (int)MANDOCLEVEL_BADARG;
say("", "Empty manpath");
}
/*
* First scan the tree rooted at a base directory, then
* build a new database and finally move it into place.
* Ignore zero-length directories and strip trailing
* slashes.
*/
for (j = 0; j < conf.manpath.sz; j++) {
sz = strlen(conf.manpath.paths[j]);
if (sz && conf.manpath.paths[j][sz - 1] == '/')
conf.manpath.paths[j][--sz] = '\0';
if (0 == sz)
continue;
if (j) {
mandoc_ohash_init(&mpages, 6,
offsetof(struct mpage, inodev));
mandoc_ohash_init(&mlinks, 6,
offsetof(struct mlink, file));
}
if ( ! set_basedir(conf.manpath.paths[j], argc > 0))
continue;
if (0 == treescan())
continue;
if (0 == dbopen(0))
continue;
mpages_merge(mp);
if (warnings && !nodb &&
! (MPARSE_QUICK & mparse_options))
names_check();
dbclose(0);
if (j + 1 < conf.manpath.sz) {
mpages_free();
ohash_delete(&mpages);
ohash_delete(&mlinks);
}
}
}
out:
manconf_free(&conf);
mparse_free(mp);
mchars_free();
mpages_free();
ohash_delete(&mpages);
ohash_delete(&mlinks);
return exitcode;
usage:
progname = getprogname();
fprintf(stderr, "usage: %s [-aDnpQ] [-C file] [-Tutf8]\n"
" %s [-aDnpQ] [-Tutf8] dir ...\n"
" %s [-DnpQ] [-Tutf8] -d dir [file ...]\n"
" %s [-Dnp] -u dir [file ...]\n"
" %s [-Q] -t file ...\n",
progname, progname, progname, progname, progname);
return (int)MANDOCLEVEL_BADARG;
}
/*
* Scan a directory tree rooted at "basedir" for manpages.
* We use fts(), scanning directory parts along the way for clues to our
* section and architecture.
*
* If use_all has been specified, grok all files.
* If not, sanitise paths to the following:
*
* [./]man*[/<arch>]/<name>.<section>
* or
* [./]cat<section>[/<arch>]/<name>.0
*
* TODO: accommodate for multi-language directories.
*/
static int
treescan(void)
{
char buf[PATH_MAX];
FTS *f;
FTSENT *ff;
struct mlink *mlink;
int dform, gzip;
char *dsec, *arch, *fsec, *cp;
const char *path;
const char *argv[2];
argv[0] = ".";
argv[1] = (char *)NULL;
f = fts_open((char * const *)argv,
FTS_PHYSICAL | FTS_NOCHDIR, NULL);
if (f == NULL) {
exitcode = (int)MANDOCLEVEL_SYSERR;
say("", "&fts_open");
return 0;
}
dsec = arch = NULL;
dform = FORM_NONE;
while ((ff = fts_read(f)) != NULL) {
path = ff->fts_path + 2;
switch (ff->fts_info) {
/*
* Symbolic links require various sanity checks,
* then get handled just like regular files.
*/
case FTS_SL:
if (realpath(path, buf) == NULL) {
if (warnings)
say(path, "&realpath");
continue;
}
if (strstr(buf, basedir) != buf
#ifdef HOMEBREWDIR
&& strstr(buf, HOMEBREWDIR) != buf
#endif
) {
if (warnings) say("",
"%s: outside base directory", buf);
continue;
}
/* Use logical inode to avoid mpages dupe. */
if (stat(path, ff->fts_statp) == -1) {
if (warnings)
say(path, "&stat");
continue;
}
/* FALLTHROUGH */
/*
* If we're a regular file, add an mlink by using the
* stored directory data and handling the filename.
*/
case FTS_F:
if ( ! strcmp(path, MANDOC_DB))
continue;
if ( ! use_all && ff->fts_level < 2) {
if (warnings)
say(path, "Extraneous file");
continue;
}
gzip = 0;
fsec = NULL;
while (fsec == NULL) {
fsec = strrchr(ff->fts_name, '.');
if (fsec == NULL || strcmp(fsec+1, "gz"))
break;
gzip = 1;
*fsec = '\0';
fsec = NULL;
}
if (fsec == NULL) {
if ( ! use_all) {
if (warnings)
say(path,
"No filename suffix");
continue;
}
} else if ( ! strcmp(++fsec, "html")) {
if (warnings)
say(path, "Skip html");
continue;
} else if ( ! strcmp(fsec, "ps")) {
if (warnings)
say(path, "Skip ps");
continue;
} else if ( ! strcmp(fsec, "pdf")) {
if (warnings)
say(path, "Skip pdf");
continue;
} else if ( ! use_all &&
((dform == FORM_SRC &&
strncmp(fsec, dsec, strlen(dsec))) ||
(dform == FORM_CAT && strcmp(fsec, "0")))) {
if (warnings)
say(path, "Wrong filename suffix");
continue;
} else
fsec[-1] = '\0';
mlink = mandoc_calloc(1, sizeof(struct mlink));
if (strlcpy(mlink->file, path,
sizeof(mlink->file)) >=
sizeof(mlink->file)) {
say(path, "Filename too long");
free(mlink);
continue;
}
mlink->dform = dform;
mlink->dsec = dsec;
mlink->arch = arch;
mlink->name = ff->fts_name;
mlink->fsec = fsec;
mlink->gzip = gzip;
mlink_add(mlink, ff->fts_statp);
continue;
case FTS_D:
case FTS_DP:
break;
default:
if (warnings)
say(path, "Not a regular file");
continue;
}
switch (ff->fts_level) {
case 0:
/* Ignore the root directory. */
break;
case 1:
/*
* This might contain manX/ or catX/.
* Try to infer this from the name.
* If we're not in use_all, enforce it.
*/
cp = ff->fts_name;
if (ff->fts_info == FTS_DP) {
dform = FORM_NONE;
dsec = NULL;
break;
}
if ( ! strncmp(cp, "man", 3)) {
dform = FORM_SRC;
dsec = cp + 3;
} else if ( ! strncmp(cp, "cat", 3)) {
dform = FORM_CAT;
dsec = cp + 3;
} else {
dform = FORM_NONE;
dsec = NULL;
}
if (dsec != NULL || use_all)
break;
if (warnings)
say(path, "Unknown directory part");
fts_set(f, ff, FTS_SKIP);
break;
case 2:
/*
* Possibly our architecture.
* If we're descending, keep tabs on it.
*/
if (ff->fts_info != FTS_DP && dsec != NULL)
arch = ff->fts_name;
else
arch = NULL;
break;
default:
if (ff->fts_info == FTS_DP || use_all)
break;
if (warnings)
say(path, "Extraneous directory part");
fts_set(f, ff, FTS_SKIP);
break;
}
}
fts_close(f);
return 1;
}
/*
* Add a file to the mlinks table.
* Do not verify that it's a "valid" looking manpage (we'll do that
* later).
*
* Try to infer the manual section, architecture, and page name from the
* path, assuming it looks like
*
* [./]man*[/<arch>]/<name>.<section>
* or
* [./]cat<section>[/<arch>]/<name>.0
*
* See treescan() for the fts(3) version of this.
*/
static void
filescan(const char *file)
{
char buf[PATH_MAX];
struct stat st;
struct mlink *mlink;
char *p, *start;
assert(use_all);
if (0 == strncmp(file, "./", 2))
file += 2;
/*
* We have to do lstat(2) before realpath(3) loses
* the information whether this is a symbolic link.
* We need to know that because for symbolic links,
* we want to use the orginal file name, while for
* regular files, we want to use the real path.
*/
if (-1 == lstat(file, &st)) {
exitcode = (int)MANDOCLEVEL_BADARG;
say(file, "&lstat");
return;
} else if (0 == ((S_IFREG | S_IFLNK) & st.st_mode)) {
exitcode = (int)MANDOCLEVEL_BADARG;
say(file, "Not a regular file");
return;
}
/*
* We have to resolve the file name to the real path
* in any case for the base directory check.
*/
if (NULL == realpath(file, buf)) {
exitcode = (int)MANDOCLEVEL_BADARG;
say(file, "&realpath");
return;
}
if (OP_TEST == op)
start = buf;
else if (strstr(buf, basedir) == buf)
start = buf + strlen(basedir);
#ifdef HOMEBREWDIR
else if (strstr(buf, HOMEBREWDIR) == buf)
start = buf;
#endif
else {
exitcode = (int)MANDOCLEVEL_BADARG;
say("", "%s: outside base directory", buf);
return;
}
/*
* Now we are sure the file is inside our tree.
* If it is a symbolic link, ignore the real path
* and use the original name.
* This implies passing stuff like "cat1/../man1/foo.1"
* on the command line won't work. So don't do that.
* Note the stat(2) can still fail if the link target
* doesn't exist.
*/
if (S_IFLNK & st.st_mode) {
if (-1 == stat(buf, &st)) {
exitcode = (int)MANDOCLEVEL_BADARG;
say(file, "&stat");
return;
}
if (strlcpy(buf, file, sizeof(buf)) >= sizeof(buf)) {
say(file, "Filename too long");
return;
}
start = buf;
if (OP_TEST != op && strstr(buf, basedir) == buf)
start += strlen(basedir);
}
mlink = mandoc_calloc(1, sizeof(struct mlink));
mlink->dform = FORM_NONE;
if (strlcpy(mlink->file, start, sizeof(mlink->file)) >=
sizeof(mlink->file)) {
say(start, "Filename too long");
free(mlink);
return;
}
/*
* First try to guess our directory structure.
* If we find a separator, try to look for man* or cat*.
* If we find one of these and what's underneath is a directory,
* assume it's an architecture.
*/
if (NULL != (p = strchr(start, '/'))) {
*p++ = '\0';
if (0 == strncmp(start, "man", 3)) {
mlink->dform = FORM_SRC;
mlink->dsec = start + 3;
} else if (0 == strncmp(start, "cat", 3)) {
mlink->dform = FORM_CAT;
mlink->dsec = start + 3;
}
start = p;
if (NULL != mlink->dsec && NULL != (p = strchr(start, '/'))) {
*p++ = '\0';
mlink->arch = start;
start = p;
}
}
/*
* Now check the file suffix.
* Suffix of `.0' indicates a catpage, `.1-9' is a manpage.
*/
p = strrchr(start, '\0');
while (p-- > start && '/' != *p && '.' != *p)
/* Loop. */ ;
if ('.' == *p) {
*p++ = '\0';
mlink->fsec = p;
}
/*
* Now try to parse the name.
* Use the filename portion of the path.
*/
mlink->name = start;
if (NULL != (p = strrchr(start, '/'))) {
mlink->name = p + 1;
*p = '\0';
}
mlink_add(mlink, &st);
}
static void
mlink_add(struct mlink *mlink, const struct stat *st)
{
struct inodev inodev;
struct mpage *mpage;
unsigned int slot;
assert(NULL != mlink->file);
mlink->dsec = mandoc_strdup(mlink->dsec ? mlink->dsec : "");
mlink->arch = mandoc_strdup(mlink->arch ? mlink->arch : "");
mlink->name = mandoc_strdup(mlink->name ? mlink->name : "");
mlink->fsec = mandoc_strdup(mlink->fsec ? mlink->fsec : "");
if ('0' == *mlink->fsec) {
free(mlink->fsec);
mlink->fsec = mandoc_strdup(mlink->dsec);
mlink->fform = FORM_CAT;
} else if ('1' <= *mlink->fsec && '9' >= *mlink->fsec)
mlink->fform = FORM_SRC;
else
mlink->fform = FORM_NONE;
slot = ohash_qlookup(&mlinks, mlink->file);
assert(NULL == ohash_find(&mlinks, slot));
ohash_insert(&mlinks, slot, mlink);
memset(&inodev, 0, sizeof(inodev)); /* Clear padding. */
inodev.st_ino = st->st_ino;
inodev.st_dev = st->st_dev;
slot = ohash_lookup_memory(&mpages, (char *)&inodev,
sizeof(struct inodev), inodev.st_ino);
mpage = ohash_find(&mpages, slot);
if (NULL == mpage) {
mpage = mandoc_calloc(1, sizeof(struct mpage));
mpage->inodev.st_ino = inodev.st_ino;
mpage->inodev.st_dev = inodev.st_dev;
ohash_insert(&mpages, slot, mpage);
} else
mlink->next = mpage->mlinks;
mpage->mlinks = mlink;
mlink->mpage = mpage;
}
static void
mlink_free(struct mlink *mlink)
{
free(mlink->dsec);
free(mlink->arch);
free(mlink->name);
free(mlink->fsec);
free(mlink);
}
static void
mpages_free(void)
{
struct mpage *mpage;
struct mlink *mlink;
unsigned int slot;
mpage = ohash_first(&mpages, &slot);
while (NULL != mpage) {
while (NULL != (mlink = mpage->mlinks)) {
mpage->mlinks = mlink->next;
mlink_free(mlink);
}
free(mpage->sec);
free(mpage->arch);
free(mpage->title);
free(mpage->desc);
free(mpage);
mpage = ohash_next(&mpages, &slot);
}
}
/*