version 1.5, 2011/12/12 02:00:49 |
version 1.22, 2015/03/26 22:42:32 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2011, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
* copyright notice and this permission notice appear in all copies. |
* copyright notice and this permission notice appear in all copies. |
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
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#include "config.h" |
#include "config.h" |
#endif |
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#include <sys/types.h> |
#include <sys/types.h> |
#include <assert.h> |
#include <sys/stat.h> |
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#include <ctype.h> |
#include <ctype.h> |
#include <limits.h> |
#include <limits.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include "mandoc.h" |
#include "mandoc_aux.h" |
#include "manpath.h" |
#include "manpath.h" |
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#define MAN_CONF_FILE "/etc/man.conf" |
#define MAN_CONF_FILE "/etc/man.conf" |
#define MAN_CONF_KEY "_whatdb" |
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static void manpath_add(struct manpaths *, const char *); |
static void manpath_add(struct manpaths *, const char *, int); |
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static void manpath_parseline(struct manpaths *, char *, int); |
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void |
void |
manpath_parse(struct manpaths *dirs, const char *file, |
manpath_parse(struct manpaths *dirs, const char *file, |
char *defp, char *auxp) |
char *defp, char *auxp) |
{ |
{ |
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#if HAVE_MANPATH |
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char cmd[(PATH_MAX * 3) + 20]; |
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FILE *stream; |
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char *buf; |
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size_t sz, bsz; |
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manpath_parseline(dirs, auxp); |
strlcpy(cmd, "manpath", sizeof(cmd)); |
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if (file) { |
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strlcat(cmd, " -C ", sizeof(cmd)); |
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strlcat(cmd, file, sizeof(cmd)); |
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} |
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if (auxp) { |
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strlcat(cmd, " -m ", sizeof(cmd)); |
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strlcat(cmd, auxp, sizeof(cmd)); |
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} |
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if (defp) { |
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strlcat(cmd, " -M ", sizeof(cmd)); |
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strlcat(cmd, defp, sizeof(cmd)); |
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} |
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if (NULL == defp) |
/* Open manpath(1). Ignore errors. */ |
defp = getenv("MANPATH"); |
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if (NULL == defp) |
stream = popen(cmd, "r"); |
manpath_parseconf(dirs, file); |
if (NULL == stream) |
else |
return; |
manpath_parseline(dirs, defp); |
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buf = NULL; |
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bsz = 0; |
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/* Read in as much output as we can. */ |
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do { |
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buf = mandoc_realloc(buf, bsz + 1024); |
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sz = fread(buf + bsz, 1, 1024, stream); |
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bsz += sz; |
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} while (sz > 0); |
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if ( ! ferror(stream) && feof(stream) && |
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bsz && '\n' == buf[bsz - 1]) { |
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buf[bsz - 1] = '\0'; |
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manpath_parseline(dirs, buf, 1); |
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} |
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free(buf); |
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pclose(stream); |
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#else |
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char manpath_default[] = MANPATH_DEFAULT; |
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char *insert; |
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/* Always prepend -m. */ |
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manpath_parseline(dirs, auxp, 1); |
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/* If -M is given, it overrides everything else. */ |
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if (NULL != defp) { |
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manpath_parseline(dirs, defp, 1); |
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return; |
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} |
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/* MANPATH and man.conf(5) cooperate. */ |
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defp = getenv("MANPATH"); |
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if (NULL == file) |
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file = MAN_CONF_FILE; |
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/* No MANPATH; use man.conf(5) only. */ |
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if (NULL == defp || '\0' == defp[0]) { |
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manpath_manconf(dirs, file); |
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if (dirs->sz == 0) |
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manpath_parseline(dirs, manpath_default, 0); |
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return; |
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} |
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/* Prepend man.conf(5) to MANPATH. */ |
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if (':' == defp[0]) { |
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manpath_manconf(dirs, file); |
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manpath_parseline(dirs, defp, 0); |
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return; |
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} |
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/* Append man.conf(5) to MANPATH. */ |
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if (':' == defp[strlen(defp) - 1]) { |
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manpath_parseline(dirs, defp, 0); |
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manpath_manconf(dirs, file); |
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return; |
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} |
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/* Insert man.conf(5) into MANPATH. */ |
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insert = strstr(defp, "::"); |
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if (NULL != insert) { |
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*insert++ = '\0'; |
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manpath_parseline(dirs, defp, 0); |
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manpath_manconf(dirs, file); |
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manpath_parseline(dirs, insert + 1, 0); |
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return; |
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} |
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/* MANPATH overrides man.conf(5) completely. */ |
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manpath_parseline(dirs, defp, 0); |
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#endif |
} |
} |
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/* |
/* |
* Parse a FULL pathname from a colon-separated list of arrays. |
* Parse a FULL pathname from a colon-separated list of arrays. |
*/ |
*/ |
void |
static void |
manpath_parseline(struct manpaths *dirs, char *path) |
manpath_parseline(struct manpaths *dirs, char *path, int complain) |
{ |
{ |
char *dir; |
char *dir; |
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Line 63 manpath_parseline(struct manpaths *dirs, char *path) |
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Line 150 manpath_parseline(struct manpaths *dirs, char *path) |
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return; |
return; |
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for (dir = strtok(path, ":"); dir; dir = strtok(NULL, ":")) |
for (dir = strtok(path, ":"); dir; dir = strtok(NULL, ":")) |
manpath_add(dirs, dir); |
manpath_add(dirs, dir, complain); |
} |
} |
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/* |
/* |
Line 71 manpath_parseline(struct manpaths *dirs, char *path) |
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Line 158 manpath_parseline(struct manpaths *dirs, char *path) |
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* Grow the array one-by-one for simplicity's sake. |
* Grow the array one-by-one for simplicity's sake. |
*/ |
*/ |
static void |
static void |
manpath_add(struct manpaths *dirs, const char *dir) |
manpath_add(struct manpaths *dirs, const char *dir, int complain) |
{ |
{ |
char buf[PATH_MAX]; |
char buf[PATH_MAX]; |
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struct stat sb; |
char *cp; |
char *cp; |
int i; |
size_t i; |
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if (NULL == (cp = realpath(dir, buf))) |
if (NULL == (cp = realpath(dir, buf))) { |
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if (complain) { |
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fputs("manpath: ", stderr); |
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perror(dir); |
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} |
return; |
return; |
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} |
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for (i = 0; i < dirs->sz; i++) |
for (i = 0; i < dirs->sz; i++) |
if (0 == strcmp(dirs->paths[i], dir)) |
if (0 == strcmp(dirs->paths[i], dir)) |
return; |
return; |
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dirs->paths = mandoc_realloc |
if (stat(cp, &sb) == -1) { |
(dirs->paths, |
if (complain) { |
((size_t)dirs->sz + 1) * sizeof(char *)); |
fputs("manpath: ", stderr); |
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perror(dir); |
dirs->paths[dirs->sz++] = mandoc_strdup(cp); |
} |
} |
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void |
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manpath_parseconf(struct manpaths *dirs, const char *file) |
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{ |
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#ifdef USE_MANPATH |
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FILE *stream; |
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char *buf; |
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size_t sz, bsz; |
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/* Open manpath(1). Ignore errors. */ |
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stream = popen("manpath", "r"); |
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if (NULL == stream) |
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return; |
return; |
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buf = NULL; |
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bsz = 0; |
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/* Read in as much output as we can. */ |
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do { |
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buf = mandoc_realloc(buf, bsz + 1024); |
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sz = fread(buf + (int)bsz, 1, 1024, stream); |
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bsz += sz; |
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} while (sz > 0); |
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if ( ! ferror(stream) && feof(stream) && |
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bsz && '\n' == buf[bsz - 1]) { |
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buf[bsz - 1] = '\0'; |
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manpath_parseline(dirs, buf); |
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} |
} |
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free(buf); |
dirs->paths = mandoc_reallocarray(dirs->paths, |
pclose(stream); |
dirs->sz + 1, sizeof(char *)); |
#else |
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manpath_manconf(dirs, file ? file : MAN_CONF_FILE); |
dirs->paths[dirs->sz++] = mandoc_strdup(cp); |
#endif |
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} |
} |
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void |
void |
manpath_free(struct manpaths *p) |
manpath_free(struct manpaths *p) |
{ |
{ |
int i; |
size_t i; |
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for (i = 0; i < p->sz; i++) |
for (i = 0; i < p->sz; i++) |
free(p->paths[i]); |
free(p->paths[i]); |
Line 143 manpath_free(struct manpaths *p) |
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Line 205 manpath_free(struct manpaths *p) |
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void |
void |
manpath_manconf(struct manpaths *dirs, const char *file) |
manpath_manconf(struct manpaths *dirs, const char *file) |
{ |
{ |
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const char *const toks[] = { "manpath", "_whatdb" }; |
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FILE *stream; |
FILE *stream; |
char *p, *q; |
char *cp, *ep; |
size_t len, keysz; |
size_t len, tok; |
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keysz = strlen(MAN_CONF_KEY); |
if ((stream = fopen(file, "r")) == NULL) |
assert(keysz > 0); |
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if (NULL == (stream = fopen(file, "r"))) |
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return; |
return; |
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while (NULL != (p = fgetln(stream, &len))) { |
while ((cp = fgetln(stream, &len)) != NULL) { |
if (0 == len || '\n' != p[--len]) |
ep = cp + len; |
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if (ep[-1] != '\n') |
break; |
break; |
p[len] = '\0'; |
*--ep = '\0'; |
while (isspace((unsigned char)*p)) |
while (isspace((unsigned char)*cp)) |
p++; |
cp++; |
if (strncmp(MAN_CONF_KEY, p, keysz)) |
if (*cp == '#') |
continue; |
continue; |
p += keysz; |
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while (isspace(*p)) |
for (tok = 0; tok < sizeof(toks)/sizeof(toks[0]); tok++) { |
p++; |
len = strlen(toks[tok]); |
if ('\0' == *p) |
if (cp + len < ep && |
continue; |
isspace((unsigned char)cp[len]) && |
if (NULL == (q = strrchr(p, '/'))) |
!strncmp(cp, toks[tok], len)) { |
continue; |
cp += len; |
*q = '\0'; |
while (isspace((unsigned char)*cp)) |
manpath_add(dirs, p); |
cp++; |
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break; |
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} |
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} |
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switch (tok) { |
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case 1: /* _whatdb */ |
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while (ep > cp && ep[-1] != '/') |
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ep--; |
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if (ep == cp) |
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continue; |
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*ep = '\0'; |
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/* FALLTHROUGH */ |
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case 0: /* manpath */ |
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manpath_add(dirs, cp, 0); |
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break; |
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default: |
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break; |
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} |
} |
} |
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fclose(stream); |
fclose(stream); |