| Current Path : /usr/src/usr.bin/csup/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/usr.bin/csup/config.c |
/*-
* Copyright (c) 2003-2006, Maxime Henrion <mux@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/usr.bin/csup/config.c 204556 2010-03-02 07:26:07Z lulf $
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "config.h"
#include "globtree.h"
#include "keyword.h"
#include "misc.h"
#include "parse.h"
#include "stream.h"
#include "token.h"
static int config_parse_refusefiles(struct coll *);
static int config_parse_refusefile(struct coll *, char *);
extern FILE *yyin;
/* These are globals because I can't think of a better way with yacc. */
static STAILQ_HEAD(, coll) colls;
static struct coll *cur_coll;
static struct coll *defaults;
static struct coll *ovcoll;
static int ovmask;
static const char *cfgfile;
/*
* Extract all the configuration information from the config
* file and some command line parameters.
*/
struct config *
config_init(const char *file, struct coll *override, int overridemask)
{
struct config *config;
struct coll *coll;
size_t slen;
char *prefix;
int error;
mode_t mask;
config = xmalloc(sizeof(struct config));
memset(config, 0, sizeof(struct config));
STAILQ_INIT(&colls);
defaults = coll_new(NULL);
/* Set the default umask. */
mask = umask(0);
umask(mask);
defaults->co_umask = mask;
ovcoll = override;
ovmask = overridemask;
/* Extract a list of collections from the configuration file. */
cur_coll = coll_new(defaults);
yyin = fopen(file, "r");
if (yyin == NULL) {
lprintf(-1, "Cannot open \"%s\": %s\n", file, strerror(errno));
goto bad;
}
cfgfile = file;
error = yyparse();
fclose(yyin);
if (error)
goto bad;
memcpy(&config->colls, &colls, sizeof(colls));
if (STAILQ_EMPTY(&config->colls)) {
lprintf(-1, "Empty supfile\n");
goto bad;
}
/* Fixup the list of collections. */
STAILQ_FOREACH(coll, &config->colls, co_next) {
if (coll->co_base == NULL)
coll->co_base = xstrdup("/usr/local/etc/cvsup");
if (coll->co_colldir == NULL)
coll->co_colldir = "sup";
if (coll->co_prefix == NULL) {
coll->co_prefix = xstrdup(coll->co_base);
/*
* If prefix is not an absolute pathname, it is
* interpreted relative to base.
*/
} else if (coll->co_prefix[0] != '/') {
slen = strlen(coll->co_base);
if (slen > 0 && coll->co_base[slen - 1] != '/')
xasprintf(&prefix, "%s/%s", coll->co_base,
coll->co_prefix);
else
xasprintf(&prefix, "%s%s", coll->co_base,
coll->co_prefix);
free(coll->co_prefix);
coll->co_prefix = prefix;
}
coll->co_prefixlen = strlen(coll->co_prefix);
/* Determine whether to checksum RCS files or not. */
if (coll->co_options & CO_EXACTRCS)
coll->co_options |= CO_CHECKRCS;
else
coll->co_options &= ~CO_CHECKRCS;
/* In recent versions, we always try to set the file modes. */
coll->co_options |= CO_SETMODE;
coll->co_options |= CO_NORSYNC;
error = config_parse_refusefiles(coll);
if (error)
goto bad;
}
coll_free(cur_coll);
coll_free(defaults);
config->host = STAILQ_FIRST(&config->colls)->co_host;
return (config);
bad:
coll_free(cur_coll);
coll_free(defaults);
config_free(config);
return (NULL);
}
int
config_checkcolls(struct config *config)
{
char linkname[4];
struct stat sb;
struct coll *coll;
int error, numvalid, ret;
numvalid = 0;
STAILQ_FOREACH(coll, &config->colls, co_next) {
error = stat(coll->co_prefix, &sb);
if (error || !S_ISDIR(sb.st_mode)) {
/* Skip this collection, and warn about it unless its
prefix is a symbolic link pointing to "SKIP". */
coll->co_options |= CO_SKIP;
ret = readlink(coll->co_prefix, linkname,
sizeof(linkname));
if (ret != 4 || memcmp(linkname, "SKIP", 4) != 0) {
lprintf(-1,"Nonexistent prefix \"%s\" for "
"%s/%s\n", coll->co_prefix, coll->co_name,
coll->co_release);
}
continue;
}
numvalid++;
}
return (numvalid);
}
static int
config_parse_refusefiles(struct coll *coll)
{
char *collstem, *suffix, *supdir, *path;
int error;
if (coll->co_colldir[0] == '/')
supdir = xstrdup(coll->co_colldir);
else
xasprintf(&supdir, "%s/%s", coll->co_base, coll->co_colldir);
/* First, the global refuse file that applies to all collections. */
xasprintf(&path, "%s/refuse", supdir);
error = config_parse_refusefile(coll, path);
free(path);
if (error) {
free(supdir);
return (error);
}
/* Next the per-collection refuse files that applies to all release/tag
combinations. */
xasprintf(&collstem, "%s/%s/refuse", supdir, coll->co_name);
free(supdir);
error = config_parse_refusefile(coll, collstem);
if (error) {
free(collstem);
return (error);
}
/* Finally, the per-release and per-tag refuse file. */
suffix = coll_statussuffix(coll);
if (suffix != NULL) {
xasprintf(&path, "%s%s", collstem, suffix);
free(suffix);
error = config_parse_refusefile(coll, path);
free(path);
}
free(collstem);
return (error);
}
/*
* Parses a "refuse" file, and records the relevant information in
* coll->co_refusals. If the file does not exist, it is silently
* ignored.
*/
static int
config_parse_refusefile(struct coll *coll, char *path)
{
struct stream *rd;
char *cp, *line, *pat;
rd = stream_open_file(path, O_RDONLY);
if (rd == NULL)
return (0);
while ((line = stream_getln(rd, NULL)) != NULL) {
pat = line;
for (;;) {
/* Trim leading whitespace. */
pat += strspn(pat, " \t");
if (pat[0] == '\0')
break;
cp = strpbrk(pat, " \t");
if (cp != NULL)
*cp = '\0';
pattlist_add(coll->co_refusals, pat);
if (cp == NULL)
break;
pat = cp + 1;
}
}
if (!stream_eof(rd)) {
stream_close(rd);
lprintf(-1, "Read failure from \"%s\": %s\n", path,
strerror(errno));
return (-1);
}
stream_close(rd);
return (0);
}
void
config_free(struct config *config)
{
struct coll *coll;
while (!STAILQ_EMPTY(&config->colls)) {
coll = STAILQ_FIRST(&config->colls);
STAILQ_REMOVE_HEAD(&config->colls, co_next);
coll_free(coll);
}
if (config->server != NULL)
stream_close(config->server);
if (config->laddr != NULL)
free(config->laddr);
free(config);
}
/* Create a new collection, inheriting options from the default collection. */
struct coll *
coll_new(struct coll *def)
{
struct coll *new;
new = xmalloc(sizeof(struct coll));
memset(new, 0, sizeof(struct coll));
if (def != NULL) {
new->co_options = def->co_options;
new->co_umask = def->co_umask;
if (def->co_host != NULL)
new->co_host = xstrdup(def->co_host);
if (def->co_base != NULL)
new->co_base = xstrdup(def->co_base);
if (def->co_date != NULL)
new->co_date = xstrdup(def->co_date);
if (def->co_prefix != NULL)
new->co_prefix = xstrdup(def->co_prefix);
if (def->co_release != NULL)
new->co_release = xstrdup(def->co_release);
if (def->co_tag != NULL)
new->co_tag = xstrdup(def->co_tag);
if (def->co_listsuffix != NULL)
new->co_listsuffix = xstrdup(def->co_listsuffix);
} else {
new->co_tag = xstrdup(".");
new->co_date = xstrdup(".");
}
new->co_keyword = keyword_new();
new->co_accepts = pattlist_new();
new->co_refusals = pattlist_new();
new->co_attrignore = FA_DEV | FA_INODE;
return (new);
}
void
coll_override(struct coll *coll, struct coll *from, int mask)
{
size_t i;
int newoptions, oldoptions;
newoptions = from->co_options & mask;
oldoptions = coll->co_options & (CO_MASK & ~mask);
if (from->co_release != NULL) {
if (coll->co_release != NULL)
free(coll->co_release);
coll->co_release = xstrdup(from->co_release);
}
if (from->co_host != NULL) {
if (coll->co_host != NULL)
free(coll->co_host);
coll->co_host = xstrdup(from->co_host);
}
if (from->co_base != NULL) {
if (coll->co_base != NULL)
free(coll->co_base);
coll->co_base = xstrdup(from->co_base);
}
if (from->co_colldir != NULL)
coll->co_colldir = from->co_colldir;
if (from->co_prefix != NULL) {
if (coll->co_prefix != NULL)
free(coll->co_prefix);
coll->co_prefix = xstrdup(from->co_prefix);
}
if (newoptions & CO_CHECKOUTMODE) {
if (from->co_tag != NULL) {
if (coll->co_tag != NULL)
free(coll->co_tag);
coll->co_tag = xstrdup(from->co_tag);
}
if (from->co_date != NULL) {
if (coll->co_date != NULL)
free(coll->co_date);
coll->co_date = xstrdup(from->co_date);
}
}
if (from->co_listsuffix != NULL) {
if (coll->co_listsuffix != NULL)
free(coll->co_listsuffix);
coll->co_listsuffix = xstrdup(from->co_listsuffix);
}
for (i = 0; i < pattlist_size(from->co_accepts); i++) {
pattlist_add(coll->co_accepts,
pattlist_get(from->co_accepts, i));
}
for (i = 0; i < pattlist_size(from->co_refusals); i++) {
pattlist_add(coll->co_refusals,
pattlist_get(from->co_refusals, i));
}
coll->co_options = oldoptions | newoptions;
}
char *
coll_statussuffix(struct coll *coll)
{
const char *tag;
char *suffix;
if (coll->co_listsuffix != NULL) {
xasprintf(&suffix, ".%s", coll->co_listsuffix);
} else if (coll->co_options & CO_USERELSUFFIX) {
if (coll->co_tag == NULL)
tag = ".";
else
tag = coll->co_tag;
if (coll->co_release != NULL) {
if (coll->co_options & CO_CHECKOUTMODE) {
xasprintf(&suffix, ".%s:%s",
coll->co_release, tag);
} else {
xasprintf(&suffix, ".%s", coll->co_release);
}
} else if (coll->co_options & CO_CHECKOUTMODE) {
xasprintf(&suffix, ":%s", tag);
}
} else
suffix = NULL;
return (suffix);
}
char *
coll_statuspath(struct coll *coll)
{
char *path, *suffix;
suffix = coll_statussuffix(coll);
if (suffix != NULL) {
if (coll->co_colldir[0] == '/')
xasprintf(&path, "%s/%s/checkouts%s", coll->co_colldir,
coll->co_name, suffix);
else
xasprintf(&path, "%s/%s/%s/checkouts%s", coll->co_base,
coll->co_colldir, coll->co_name, suffix);
} else {
if (coll->co_colldir[0] == '/')
xasprintf(&path, "%s/%s/checkouts", coll->co_colldir,
coll->co_name);
else
xasprintf(&path, "%s/%s/%s/checkouts", coll->co_base,
coll->co_colldir, coll->co_name);
}
free(suffix);
return (path);
}
void
coll_add(char *name)
{
struct coll *coll;
cur_coll->co_name = name;
coll_override(cur_coll, ovcoll, ovmask);
if (cur_coll->co_release == NULL) {
lprintf(-1, "Release not specified for collection "
"\"%s\"\n", cur_coll->co_name);
exit(1);
}
if (cur_coll->co_host == NULL) {
lprintf(-1, "Host not specified for collection "
"\"%s\"\n", cur_coll->co_name);
exit(1);
}
if (!STAILQ_EMPTY(&colls)) {
coll = STAILQ_LAST(&colls, coll, co_next);
if (strcmp(coll->co_host, cur_coll->co_host) != 0) {
lprintf(-1, "All \"host\" fields in the supfile "
"must be the same\n");
exit(1);
}
}
STAILQ_INSERT_TAIL(&colls, cur_coll, co_next);
cur_coll = coll_new(defaults);
}
void
coll_free(struct coll *coll)
{
if (coll == NULL)
return;
if (coll->co_host != NULL)
free(coll->co_host);
if (coll->co_base != NULL)
free(coll->co_base);
if (coll->co_date != NULL)
free(coll->co_date);
if (coll->co_prefix != NULL)
free(coll->co_prefix);
if (coll->co_release != NULL)
free(coll->co_release);
if (coll->co_tag != NULL)
free(coll->co_tag);
if (coll->co_cvsroot != NULL)
free(coll->co_cvsroot);
if (coll->co_name != NULL)
free(coll->co_name);
if (coll->co_listsuffix != NULL)
free(coll->co_listsuffix);
keyword_free(coll->co_keyword);
if (coll->co_dirfilter != NULL)
globtree_free(coll->co_dirfilter);
if (coll->co_dirfilter != NULL)
globtree_free(coll->co_filefilter);
if (coll->co_norsync != NULL)
globtree_free(coll->co_norsync);
if (coll->co_accepts != NULL)
pattlist_free(coll->co_accepts);
if (coll->co_refusals != NULL)
pattlist_free(coll->co_refusals);
free(coll);
}
void
coll_setopt(int opt, char *value)
{
struct coll *coll;
int error, mask;
coll = cur_coll;
switch (opt) {
case PT_HOST:
if (coll->co_host != NULL)
free(coll->co_host);
coll->co_host = value;
break;
case PT_BASE:
if (coll->co_base != NULL)
free(coll->co_base);
coll->co_base = value;
break;
case PT_DATE:
if (coll->co_date != NULL)
free(coll->co_date);
coll->co_date = value;
coll->co_options |= CO_CHECKOUTMODE;
break;
case PT_PREFIX:
if (coll->co_prefix != NULL)
free(coll->co_prefix);
coll->co_prefix = value;
break;
case PT_RELEASE:
if (coll->co_release != NULL)
free(coll->co_release);
coll->co_release = value;
break;
case PT_TAG:
if (coll->co_tag != NULL)
free(coll->co_tag);
coll->co_tag = value;
coll->co_options |= CO_CHECKOUTMODE;
break;
case PT_LIST:
if (strchr(value, '/') != NULL) {
lprintf(-1, "Parse error in \"%s\": \"list\" suffix "
"must not contain slashes\n", cfgfile);
exit(1);
}
if (coll->co_listsuffix != NULL)
free(coll->co_listsuffix);
coll->co_listsuffix = value;
break;
case PT_UMASK:
error = asciitoint(value, &mask, 8);
free(value);
if (error) {
lprintf(-1, "Parse error in \"%s\": Invalid "
"umask value\n", cfgfile);
exit(1);
}
coll->co_umask = mask;
break;
case PT_USE_REL_SUFFIX:
coll->co_options |= CO_USERELSUFFIX;
break;
case PT_DELETE:
coll->co_options |= CO_DELETE | CO_EXACTRCS;
break;
case PT_COMPRESS:
coll->co_options |= CO_COMPRESS;
break;
case PT_NORSYNC:
coll->co_options |= CO_NORSYNC;
break;
}
}
/* Set "coll" as being the default collection. */
void
coll_setdef(void)
{
coll_free(defaults);
defaults = cur_coll;
cur_coll = coll_new(defaults);
}