lib: move conf parsing to lib/conf.c and refactor to not rely on getcwd/chdir

This fixes https://github.com/voidlinux/xbps/issues/158
This commit is contained in:
Duncaen 2019-03-06 14:34:23 +01:00
parent fa5911bb00
commit 85bf13f138
7 changed files with 587 additions and 446 deletions

View File

@ -594,6 +594,12 @@ struct xbps_handle {
* Full path to the xbps configuration directory.
*/
char confdir[XBPS_MAXPATH+sizeof(XBPS_SYSCONF_PATH)];
/**
* @var confdir
*
* Full path to the xbps configuration directory.
*/
char sysconfdir[XBPS_MAXPATH+sizeof(XBPS_SYSDEFCONF_PATH)];
/**
* @var rootdir
*

View File

@ -155,5 +155,6 @@ xbps_array_t HIDDEN xbps_get_pkg_fulldeptree(struct xbps_handle *,
const char *, bool);
struct xbps_repo HIDDEN *xbps_regget_repo(struct xbps_handle *,
const char *);
int HIDDEN xbps_conf_init(struct xbps_handle *);
#endif /* !_XBPS_API_IMPL_H_ */

View File

@ -44,6 +44,7 @@ OBJS += plist_remove.o plist_fetch.o util.o util_hash.o
OBJS += repo.o repo_pkgdeps.o repo_sync.o
OBJS += rpool.o cb_util.o proplib_wrapper.o
OBJS += package_alternatives.o
OBJS += conf.o log.o
OBJS += $(EXTOBJS) $(COMPAT_OBJS)
.PHONY: all

399
lib/conf.c Normal file
View File

@ -0,0 +1,399 @@
/*
* Copyright (c) 2011-2015 Juan Romero Pardines.
* Copyright (c) 2014 Enno Boland.
* Copyright (c) 2019 Duncan Overbruck <mail@duncano.de>.
* 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 ``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 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.
*/
#include <sys/types.h>
#ifdef __FreeBSD__
#define _WITH_GETLINE /* getline() */
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <errno.h>
#include <stdarg.h>
#include <dirent.h>
#include <ctype.h>
#include <glob.h>
#include <libgen.h>
#include "xbps_api_impl.h"
/**
* @file lib/conf.c
* @brief Configuration parsing
* @defgroup conf Configuration parsing
*
* Functions for parsing xbps configuration files.
*/
static void
store_vars(struct xbps_handle *xhp, xbps_dictionary_t *d,
const char *key, const char *path, size_t line, char *buf)
{
char *lp, *rp, *tc;
size_t len;
if (*d == NULL)
*d = xbps_dictionary_create();
if (xhp->vpkgd_conf)
xhp->vpkgd_conf = xbps_dictionary_create();
/*
* Parse strings delimited by ':' i.e
* <left>:<right>
*/
lp = buf;
rp = strchr(buf, ':');
if (rp == NULL || *rp == '\0') {
xbps_dbg_printf(xhp, "%s: ignoring invalid "
"%s option at line %zu\n", path, key, line);
return;
}
tc = strchr(buf, ':');
len = strlen(buf) - strlen(tc);
lp[len] = '\0';
rp++;
xbps_dictionary_set_cstring(*d, lp, rp);
xbps_dictionary_set_cstring(xhp->vpkgd_conf, lp, rp);
xbps_dbg_printf(xhp, "%s: added %s %s for %s\n", path, key, lp, rp);
}
static void
store_preserved_file(struct xbps_handle *xhp, const char *file)
{
glob_t globbuf;
char *p = NULL, *rfile = NULL;
size_t len;
int rv = 0;
if (xhp->preserved_files == NULL) {
xhp->preserved_files = xbps_array_create();
assert(xhp->preserved_files);
}
rfile = xbps_xasprintf("%s%s", xhp->rootdir, file);
rv = glob(rfile, 0, NULL, &globbuf);
if (rv == GLOB_NOMATCH) {
if (xbps_match_string_in_array(xhp->preserved_files, file))
goto out;
xbps_array_add_cstring(xhp->preserved_files, file);
xbps_dbg_printf(xhp, "Added preserved file: %s\n", file);
goto out;
} else if (rv != 0) {
goto out;
}
for (size_t i = 0; i < globbuf.gl_pathc; i++) {
if (xbps_match_string_in_array(xhp->preserved_files, globbuf.gl_pathv[i]))
continue;
len = strlen(globbuf.gl_pathv[i]) - strlen(xhp->rootdir) + 1;
p = malloc(len);
assert(p);
xbps_strlcpy(p, globbuf.gl_pathv[i] + strlen(xhp->rootdir), len);
xbps_array_add_cstring(xhp->preserved_files, p);
xbps_dbg_printf(xhp, "Added preserved file: %s (expanded from %s)\n", p, file);
free(p);
}
out:
globfree(&globbuf);
free(rfile);
}
static bool
store_repo(struct xbps_handle *xhp, const char *repo)
{
if (xhp->flags & XBPS_FLAG_IGNORE_CONF_REPOS)
return false;
return xbps_repo_store(xhp, repo);
}
static void
store_ignored_pkg(struct xbps_handle *xhp, const char *pkgname)
{
if (xhp->ignored_pkgs == NULL) {
xhp->ignored_pkgs = xbps_array_create();
assert(xhp->ignored_pkgs);
}
xbps_array_add_cstring(xhp->ignored_pkgs, pkgname);
xbps_dbg_printf(xhp, "Added ignored package: %s\n", pkgname);
}
enum {
KEY_ERROR = 0,
KEY_ARCHITECTURE,
KEY_BESTMATCHING,
KEY_CACHEDIR,
KEY_IGNOREPKG,
KEY_INCLUDE,
KEY_PRESERVE,
KEY_REPOSITORY,
KEY_ROOTDIR,
KEY_SYSLOG,
KEY_VIRTUALPKG,
};
static const struct key {
const char *str;
size_t len;
int key;
} keys[] = {
{ "architecture", 12, KEY_ARCHITECTURE },
{ "bestmatching", 12, KEY_BESTMATCHING },
{ "cachedir", 8, KEY_CACHEDIR },
{ "ignorepkg", 9, KEY_IGNOREPKG },
{ "include", 7, KEY_INCLUDE },
{ "preserve", 8, KEY_PRESERVE },
{ "repository", 10, KEY_REPOSITORY },
{ "rootdir", 7, KEY_ROOTDIR },
{ "syslog", 6, KEY_SYSLOG },
{ "virtualpkg", 10, KEY_VIRTUALPKG },
};
static int
parse_option(char *buf, const char **keyp, char **valp)
{
size_t klen;
const char *key;
char *value;
int k = 0;
for (unsigned int i = 0; i < __arraycount(keys); i++) {
key = keys[i].str;
klen = keys[i].len;
if (strncmp(buf, key, klen) == 0) {
k = keys[i].key;
break;
}
}
/* non matching option */
if (k == 0)
return 0;
/* check if next char is the equal sign */
if (buf[klen] != '=')
return 0;
/* skip equal sign */
value = buf + klen + 1;
/* eat blanks */
while (isblank((unsigned char)*value))
value++;
/* eat final newline */
value[strlen(value)-1] = '\0';
/* option processed successfully */
*keyp = key;
*valp = value;
return k;
}
static int parse_file(struct xbps_handle *, const char *, bool);
static int
parse_files_glob(struct xbps_handle *xhp, xbps_dictionary_t seen,
const char *path, const char *pat, bool nested)
{
char tmppath[PATH_MAX];
glob_t globbuf;
int rs, rv = 0;
rs = snprintf(tmppath, PATH_MAX, "%s/%s", path, pat);
if (rs < 0 || rs >= PATH_MAX)
return ENOMEM;
switch (glob(tmppath, 0, NULL, &globbuf)) {
case GLOB_ABORTED: return ENOMEM;
case GLOB_NOSPACE: return EIO;
case GLOB_NOMATCH: return 0;
}
for (size_t i = 0; i < globbuf.gl_pathc; i++) {
if (seen != NULL) {
const char *fname;
bool mask = false;
fname = basename(globbuf.gl_pathv[i]);
if (xbps_dictionary_get_bool(seen, fname, &mask) && mask)
continue;
xbps_dictionary_set_bool(seen, fname, true);
}
if ((rv = parse_file(xhp, globbuf.gl_pathv[i], nested)) != 0)
break;
}
globfree(&globbuf);
return rv;
}
static int
parse_file(struct xbps_handle *xhp, const char *path, bool nested)
{
FILE *fp;
size_t len, nlines = 0;
ssize_t nread;
char *line = NULL;
int rv = 0;
int size, rs;
char *dir;
if ((fp = fopen(path, "r")) == NULL) {
rv = errno;
xbps_dbg_printf(xhp, "cannot read configuration file %s: %s\n", path, strerror(rv));
return rv;
}
xbps_dbg_printf(xhp, "Parsing configuration file: %s\n", path);
while (rv == 0 && (nread = getline(&line, &len, fp)) != -1) {
const char *key;
char *p, *val;
nlines++;
p = line;
/* eat blanks */
while (isblank((unsigned char)*p))
p++;
/* ignore comments or empty lines */
if (*p == '#' || *p == '\n')
continue;
switch (parse_option(p, &key, &val)) {
case KEY_ERROR:
xbps_dbg_printf(xhp, "%s: ignoring invalid option at "
"line %zu\n", path, nlines);
continue;
case KEY_ROOTDIR:
size = sizeof xhp->rootdir;
rs = snprintf(xhp->rootdir, size, "%s", val);
if (rs < 0 || rs >= size) {
rv = ENOMEM;
break;
}
xbps_dbg_printf(xhp, "%s: rootdir set to %s\n", path, val);
break;
case KEY_CACHEDIR:
size = sizeof xhp->cachedir;
rs = snprintf(xhp->cachedir, size, "%s", val);
if (rs < 0 || rs >= size) {
rv = ENOMEM;
break;
}
xbps_dbg_printf(xhp, "%s: cachedir set to %s\n", path, val);
break;
case KEY_ARCHITECTURE:
size = sizeof xhp->native_arch;
rs = snprintf(xhp->native_arch, size, "%s", val);
if (rs < 0 || rs >= size) {
rv = ENOMEM;
break;
}
xbps_dbg_printf(xhp, "%s: native architecture set to %s\n", path,
val);
break;
case KEY_SYSLOG:
if (strcasecmp(val, "true") == 0) {
xhp->flags &= ~XBPS_FLAG_DISABLE_SYSLOG;
xbps_dbg_printf(xhp, "%s: syslog enabled\n", path);
} else {
xhp->flags |= XBPS_FLAG_DISABLE_SYSLOG;
xbps_dbg_printf(xhp, "%s: syslog disabled\n", path);
}
break;
case KEY_REPOSITORY:
if (store_repo(xhp, val))
xbps_dbg_printf(xhp, "%s: added repository %s\n", path, val);
break;
case KEY_VIRTUALPKG:
store_vars(xhp, &xhp->vpkgd, key, path, nlines, val);
break;
case KEY_PRESERVE:
store_preserved_file(xhp, val);
break;
case KEY_BESTMATCHING:
if (strcasecmp(val, "true") == 0) {
xhp->flags |= XBPS_FLAG_BESTMATCH;
xbps_dbg_printf(xhp, "%s: pkg best matching enabled\n", path);
} else {
xhp->flags &= ~XBPS_FLAG_BESTMATCH;
xbps_dbg_printf(xhp, "%s: pkg best matching disabled\n", path);
}
break;
case KEY_IGNOREPKG:
store_ignored_pkg(xhp, val);
break;
case KEY_INCLUDE:
/* Avoid double-nested parsing, only allow it once */
if (nested) {
xbps_dbg_printf(xhp, "%s: ignoring nested include\n", path);
continue;
}
dir = strdup(path);
if ((rv = parse_files_glob(xhp, NULL, dirname(dir), val, true)) != 0) {
free(dir);
break;
}
free(dir);
break;
}
}
free(line);
fclose(fp);
return rv;
}
int HIDDEN
xbps_conf_init(struct xbps_handle *xhp)
{
xbps_dictionary_t seen;
int rv = 0;
assert(xhp);
seen = xbps_dictionary_create();
assert(seen);
if (*xhp->confdir) {
xbps_dbg_printf(xhp, "Processing configuration directory: %s\n", xhp->confdir);
if ((rv = parse_files_glob(xhp, seen, xhp->confdir, "*.conf", false)))
goto out;
}
if (*xhp->sysconfdir) {
xbps_dbg_printf(xhp, "Processing system configuration directory: %s\n", xhp->sysconfdir);
if ((rv = parse_files_glob(xhp, seen, xhp->sysconfdir, "*.conf", false)))
goto out;
}
out:
xbps_object_release(seen);
return rv;
}

View File

@ -25,29 +25,12 @@
*/
#include <sys/utsname.h>
#include <sys/types.h>
#ifdef __FreeBSD__
#define _WITH_GETLINE /* getline() */
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <errno.h>
#include <stdarg.h>
#include <dirent.h>
#include <ctype.h>
#include <glob.h>
#include <libgen.h>
#include "xbps_api_impl.h"
#ifdef __clang__
#pragma clang diagnostic ignored "-Wformat-nonliteral"
#endif
static int parse_file(struct xbps_handle *, const char *, const char *, bool);
/**
* @file lib/initend.c
* @brief Initialization and finalization routines
@ -57,376 +40,25 @@ static int parse_file(struct xbps_handle *, const char *, const char *, bool);
* using libxbps and finalize usage to release resources at the end.
*/
static void
store_vars(struct xbps_handle *xhp, xbps_dictionary_t *d,
const char *key, const char *path, size_t line, char *buf)
{
char *lp, *rp, *tc;
size_t len;
if (*d == NULL)
*d = xbps_dictionary_create();
if (xhp->vpkgd_conf)
xhp->vpkgd_conf = xbps_dictionary_create();
/*
* Parse strings delimited by ':' i.e
* <left>:<right>
*/
lp = buf;
rp = strchr(buf, ':');
if (rp == NULL || *rp == '\0') {
xbps_dbg_printf(xhp, "%s: ignoring invalid "
"%s option at line %zu\n", path, key, line);
return;
}
tc = strchr(buf, ':');
len = strlen(buf) - strlen(tc);
lp[len] = '\0';
rp++;
xbps_dictionary_set_cstring(*d, lp, rp);
xbps_dictionary_set_cstring(xhp->vpkgd_conf, lp, rp);
xbps_dbg_printf(xhp, "%s: added %s %s for %s\n", path, key, lp, rp);
}
static void
store_preserved_file(struct xbps_handle *xhp, const char *file)
{
glob_t globbuf;
char *p = NULL, *rfile = NULL;
size_t len;
int rv = 0;
if (xhp->preserved_files == NULL) {
xhp->preserved_files = xbps_array_create();
assert(xhp->preserved_files);
}
rfile = xbps_xasprintf("%s%s", xhp->rootdir, file);
rv = glob(rfile, 0, NULL, &globbuf);
if (rv == GLOB_NOMATCH) {
if (xbps_match_string_in_array(xhp->preserved_files, file))
goto out;
xbps_array_add_cstring(xhp->preserved_files, file);
xbps_dbg_printf(xhp, "Added preserved file: %s\n", file);
goto out;
} else if (rv != 0) {
goto out;
}
for (size_t i = 0; i < globbuf.gl_pathc; i++) {
if (xbps_match_string_in_array(xhp->preserved_files, globbuf.gl_pathv[i]))
continue;
len = strlen(globbuf.gl_pathv[i]) - strlen(xhp->rootdir) + 1;
p = malloc(len);
assert(p);
xbps_strlcpy(p, globbuf.gl_pathv[i] + strlen(xhp->rootdir), len);
xbps_array_add_cstring(xhp->preserved_files, p);
xbps_dbg_printf(xhp, "Added preserved file: %s (expanded from %s)\n", p, file);
free(p);
}
out:
globfree(&globbuf);
free(rfile);
}
static bool
store_repo(struct xbps_handle *xhp, const char *repo)
{
if (xhp->flags & XBPS_FLAG_IGNORE_CONF_REPOS)
return false;
return xbps_repo_store(xhp, repo);
}
static void
store_ignored_pkg(struct xbps_handle *xhp, const char *pkgname)
{
if (xhp->ignored_pkgs == NULL) {
xhp->ignored_pkgs = xbps_array_create();
assert(xhp->ignored_pkgs);
}
xbps_array_add_cstring(xhp->ignored_pkgs, pkgname);
xbps_dbg_printf(xhp, "Added ignored package: %s\n", pkgname);
}
static bool
parse_option(char *buf, char **k, char **v)
{
size_t klen;
char *key, *value;
const char *keys[] = {
"rootdir",
"cachedir",
"syslog",
"repository",
"virtualpkg",
"include",
"ignorepkg",
"preserve",
"bestmatching",
"architecture"
};
bool found = false;
for (unsigned int i = 0; i < __arraycount(keys); i++) {
key = __UNCONST(keys[i]);
klen = strlen(key);
if (strncmp(buf, key, klen) == 0) {
found = true;
break;
}
}
/* non matching option */
if (!found)
return false;
/* check if next char is the equal sign */
if (buf[klen] != '=')
return false;
/* skip equal sign */
value = buf + klen + 1;
/* eat blanks */
while (isblank((unsigned char)*value))
value++;
/* eat final newline */
value[strlen(value)-1] = '\0';
/* option processed successfully */
*k = key;
*v = value;
return true;
}
static int
parse_files_glob(struct xbps_handle *xhp, const char *cwd, const char *path, bool nested)
{
glob_t globbuf;
int rv = 0;
glob(path, 0, NULL, &globbuf);
for (size_t i = 0; i < globbuf.gl_pathc; i++) {
if ((rv = parse_file(xhp, cwd, globbuf.gl_pathv[i], nested)) != 0)
break;
}
globfree(&globbuf);
return rv;
}
static int
parse_file(struct xbps_handle *xhp, const char *cwd, const char *path, bool nested)
{
FILE *fp;
char tmppath[XBPS_MAXPATH] = {0};
size_t len, nlines = 0;
ssize_t nread;
char *cfcwd, *line = NULL;
int rv = 0;
if ((fp = fopen(path, "r")) == NULL) {
rv = errno;
xbps_dbg_printf(xhp, "cannot read configuration file %s: %s\n", path, strerror(rv));
return rv;
}
xbps_dbg_printf(xhp, "Parsing configuration file: %s\n", path);
while ((nread = getline(&line, &len, fp)) != -1) {
char *p, *k, *v;
nlines++;
p = line;
/* eat blanks */
while (isblank((unsigned char)*p))
p++;
/* ignore comments or empty lines */
if (*p == '#' || *p == '\n')
continue;
if (!parse_option(p, &k, &v)) {
xbps_dbg_printf(xhp, "%s: ignoring invalid option at "
"line %zu\n", path, nlines);
continue;
}
if (strcmp(k, "rootdir") == 0) {
xbps_dbg_printf(xhp, "%s: rootdir set to %s\n",
path, v);
snprintf(xhp->rootdir, sizeof(xhp->rootdir), "%s", v);
} else if (strcmp(k, "cachedir") == 0) {
xbps_dbg_printf(xhp, "%s: cachedir set to %s\n",
path, v);
snprintf(xhp->cachedir, sizeof(xhp->cachedir), "%s", v);
} else if (strcmp(k, "architecture") == 0) {
xbps_dbg_printf(xhp, "%s: native architecture set to %s\n",
path, v);
snprintf(xhp->native_arch, sizeof(xhp->native_arch), "%s", v);
} else if (strcmp(k, "syslog") == 0) {
if (strcasecmp(v, "true") == 0) {
xhp->flags &= ~XBPS_FLAG_DISABLE_SYSLOG;
xbps_dbg_printf(xhp, "%s: syslog enabled\n", path);
} else {
xhp->flags |= XBPS_FLAG_DISABLE_SYSLOG;
xbps_dbg_printf(xhp, "%s: syslog disabled\n", path);
}
} else if (strcmp(k, "repository") == 0) {
if (store_repo(xhp, v))
xbps_dbg_printf(xhp, "%s: added repository %s\n", path, v);
} else if (strcmp(k, "virtualpkg") == 0) {
store_vars(xhp, &xhp->vpkgd, k, path, nlines, v);
} else if (strcmp(k, "ignorepkg") == 0) {
store_ignored_pkg(xhp, v);
} else if (strcmp(k, "preserve") == 0) {
store_preserved_file(xhp, v);
} else if (strcmp(k, "bestmatching") == 0) {
if (strcasecmp(v, "true") == 0) {
xhp->flags |= XBPS_FLAG_BESTMATCH;
xbps_dbg_printf(xhp, "%s: pkg best matching enabled\n", path);
} else {
xhp->flags &= ~XBPS_FLAG_BESTMATCH;
xbps_dbg_printf(xhp, "%s: pkg best matching disabled\n", path);
}
xbps_dbg_printf(xhp, "%s: enabling pkg best matching\n", path);
}
/* Avoid double-nested parsing, only allow it once */
if (nested)
continue;
if (strcmp(k, "include"))
continue;
/* cwd to the dir containing the config file */
xbps_strlcpy(tmppath, path, sizeof(tmppath));
cfcwd = dirname(tmppath);
if (chdir(cfcwd) == -1) {
rv = errno;
xbps_dbg_printf(xhp, "cannot chdir to %s: %s\n", cfcwd, strerror(rv));
return rv;
}
if ((rv = parse_files_glob(xhp, cwd, v, true)) != 0)
break;
}
free(line);
fclose(fp);
return rv;
}
static int
parse_dir(struct xbps_handle *xhp, const char *cwd, const char *confdir, const char *sysconfdir)
{
struct dirent **namelist;
char *ext, conf[PATH_MAX];
int i, n, rv = 0;
if (confdir == NULL)
goto stage2;
/*
* Read all configuration files stored in the system
* foo.d directory.
*/
xbps_dbg_printf(xhp, "Processing configuration directory: %s\n", confdir);
if ((n = scandir(confdir, &namelist, 0, alphasort)) < 0)
goto stage2;
for (i = 0; i < n; i++) {
if ((strcmp(namelist[i]->d_name, "..") == 0) ||
(strcmp(namelist[i]->d_name, ".") == 0)) {
free(namelist[i]);
continue;
}
/* only process .conf files, ignore something else */
if ((ext = strrchr(namelist[i]->d_name, '.')) == NULL) {
free(namelist[i]);
continue;
}
if (strcmp(ext, ".conf")) {
xbps_dbg_printf(xhp, "%s: ignoring %s\n", confdir, namelist[i]->d_name);
free(namelist[i]);
continue;
}
/* parse conf file */
snprintf(conf, sizeof(conf), "%s/%s", confdir, namelist[i]->d_name);
if ((rv = parse_file(xhp, cwd, conf, false)) != 0) {
free(namelist[i]);
break;
}
}
free(namelist);
if (rv != 0)
return rv;
stage2:
if (sysconfdir == NULL)
return rv;
/*
* Read all configuration files stored in the configuration foo.d directory.
*/
xbps_dbg_printf(xhp, "Processing system configuration directory: %s\n", sysconfdir);
if ((n = scandir(sysconfdir, &namelist, 0, alphasort)) < 0)
return 0;
for (i = 0; i < n; i++) {
if ((strcmp(namelist[i]->d_name, "..") == 0) ||
(strcmp(namelist[i]->d_name, ".") == 0)) {
free(namelist[i]);
continue;
}
/* only process .conf files, ignore something else */
if ((ext = strrchr(namelist[i]->d_name, '.')) == NULL) {
free(namelist[i]);
continue;
}
if (strcmp(ext, ".conf")) {
xbps_dbg_printf(xhp, "%s: ignoring %s\n", sysconfdir, namelist[i]->d_name);
free(namelist[i]);
continue;
}
/* if the same file exists in configuration directory, ignore it */
snprintf(conf, sizeof(conf), "%s/%s", confdir, namelist[i]->d_name);
if (access(conf, R_OK) == 0) {
xbps_dbg_printf(xhp, "%s: ignoring %s (exists in confdir)\n", confdir, namelist[i]->d_name);
free(namelist[i]);
continue;
}
/* parse conf file */
snprintf(conf, sizeof(conf), "%s/%s", sysconfdir, namelist[i]->d_name);
if ((rv = parse_file(xhp, cwd, conf, false)) != 0) {
free(namelist[i]);
break;
}
}
free(namelist);
return rv;
}
int
xbps_init(struct xbps_handle *xhp)
{
struct utsname un;
char cwd[PATH_MAX-1], sysconfdir[XBPS_MAXPATH+sizeof(XBPS_SYSDEFCONF_PATH)], *buf;
char *buf;
const char *repodir, *native_arch;
int rv;
size_t size;
assert(xhp != NULL);
/* get cwd */
if (getcwd(cwd, sizeof(cwd)) == NULL)
return ENOTSUP;
/* Set rootdir */
if (xhp->rootdir[0] == '\0') {
xhp->rootdir[0] = '/';
xhp->rootdir[1] = '\0';
} else if (xhp->rootdir[0] != '/') {
char cwd[PATH_MAX-1];
/* get cwd */
if (getcwd(cwd, sizeof(cwd)) == NULL)
return ENOTSUP;
buf = strdup(xhp->rootdir);
if (!buf)
return ENOMEM;
@ -436,7 +68,9 @@ xbps_init(struct xbps_handle *xhp)
if (rv < 0 || (size_t)rv >= size)
return 1;
}
xbps_dbg_printf(xhp, "%s\n", XBPS_RELVER);
/* set confdir */
if (xhp->confdir[0] == '\0') {
size = sizeof(xhp->confdir);
@ -457,27 +91,33 @@ xbps_init(struct xbps_handle *xhp)
if (rv < 0 || (size_t)rv >= size)
return 1;
}
/* set sysconfdir */
size = sizeof(sysconfdir);
rv = snprintf(sysconfdir, size,
"%s%s", strcmp(xhp->rootdir, "/") ? xhp->rootdir : "",
XBPS_SYSDEFCONF_PATH);
if (rv < 0 || (size_t)rv >= size)
return 1;
/* set sysconfdir */
if (xhp->sysconfdir[0] == '\0') {
size = sizeof(xhp->sysconfdir);
snprintf(xhp->sysconfdir, size,
"%s%s", strcmp(xhp->rootdir, "/") ? xhp->rootdir : "",
XBPS_SYSDEFCONF_PATH);
if (rv < 0 || (size_t)rv >= size)
return 1;
}
/* set architecture and target architecture */
xhp->target_arch = getenv("XBPS_TARGET_ARCH");
if ((native_arch = getenv("XBPS_ARCH")) != NULL) {
xbps_strlcpy(xhp->native_arch, native_arch, sizeof(xhp->native_arch));
xbps_strlcpy(xhp->native_arch, native_arch, sizeof (xhp->native_arch));
} else {
uname(&un);
xbps_strlcpy(xhp->native_arch, un.machine, sizeof(xhp->native_arch));
struct utsname un;
if (uname(&un) == -1)
return ENOTSUP;
xbps_strlcpy(xhp->native_arch, un.machine, sizeof (xhp->native_arch));
}
assert(xhp->native_arch);
xbps_fetch_set_cache_connection(XBPS_FETCH_CACHECONN, XBPS_FETCH_CACHECONN_HOST);
/* process xbps.d */
if ((rv = parse_dir(xhp, cwd, xhp->confdir, sysconfdir)) != 0)
/* process xbps.d directories */
if ((rv = xbps_conf_init(xhp)) != 0)
return rv;
/* Set cachedir */
@ -525,7 +165,7 @@ xbps_init(struct xbps_handle *xhp)
xbps_dbg_printf(xhp, "metadir=%s\n", xhp->metadir);
xbps_dbg_printf(xhp, "cachedir=%s\n", xhp->cachedir);
xbps_dbg_printf(xhp, "confdir=%s\n", xhp->confdir);
xbps_dbg_printf(xhp, "sysconfdir=%s\n", sysconfdir);
xbps_dbg_printf(xhp, "sysconfdir=%s\n", xhp->sysconfdir);
xbps_dbg_printf(xhp, "syslog=%s\n", xhp->flags & XBPS_FLAG_DISABLE_SYSLOG ? "false" : "true");
xbps_dbg_printf(xhp, "bestmatching=%s\n", xhp->flags & XBPS_FLAG_BESTMATCH ? "true" : "false");
xbps_dbg_printf(xhp, "Architecture: %s\n", xhp->native_arch);
@ -537,11 +177,7 @@ xbps_init(struct xbps_handle *xhp)
xbps_dbg_printf(xhp, "Repository[%u]=%s\n", i, repodir);
}
}
/* Going back to old working directory */
if (chdir(cwd) == -1) {
xbps_dbg_printf(xhp, "%s: cannot chdir to %s: %s\n",
__func__, cwd, strerror(errno));
}
return 0;
}
@ -552,58 +188,3 @@ xbps_end(struct xbps_handle *xhp)
xbps_pkgdb_release(xhp);
}
static void
common_printf(FILE *f, const char *msg, const char *fmt, va_list ap)
{
if (msg != NULL)
fprintf(f, "%s", msg);
vfprintf(f, fmt, ap);
}
void
xbps_dbg_printf_append(struct xbps_handle *xhp, const char *fmt, ...)
{
va_list ap;
if ((xhp->flags & XBPS_FLAG_DEBUG) == 0)
return;
va_start(ap, fmt);
common_printf(stderr, NULL, fmt, ap);
va_end(ap);
}
void
xbps_dbg_printf(struct xbps_handle *xhp, const char *fmt, ...)
{
va_list ap;
if ((xhp->flags & XBPS_FLAG_DEBUG) == 0)
return;
va_start(ap, fmt);
common_printf(stderr, "[DEBUG] ", fmt, ap);
va_end(ap);
}
void
xbps_error_printf(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
common_printf(stderr, "ERROR: ", fmt, ap);
va_end(ap);
}
void
xbps_warn_printf(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
common_printf(stderr, "WARNING: ", fmt, ap);
va_end(ap);
}

98
lib/log.c Normal file
View File

@ -0,0 +1,98 @@
/*-
* Copyright (c) 2011-2015 Juan Romero Pardines.
* Copyright (c) 2014 Enno Boland.
* 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 ``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 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.
*/
#include <stdio.h>
#include <errno.h>
#include <stdarg.h>
#include "xbps_api_impl.h"
#ifdef __clang__
#pragma clang diagnostic ignored "-Wformat-nonliteral"
#endif
/**
* @file lib/log.c
* @brief Logging functions
* @defgroup log Logging functions
*
* Use these functions to log errors, warnings and debug messages.
*/
static void
common_printf(FILE *f, const char *msg, const char *fmt, va_list ap)
{
if (msg != NULL)
fprintf(f, "%s", msg);
vfprintf(f, fmt, ap);
}
void
xbps_dbg_printf_append(struct xbps_handle *xhp, const char *fmt, ...)
{
va_list ap;
if ((xhp->flags & XBPS_FLAG_DEBUG) == 0)
return;
va_start(ap, fmt);
common_printf(stderr, NULL, fmt, ap);
va_end(ap);
}
void
xbps_dbg_printf(struct xbps_handle *xhp, const char *fmt, ...)
{
va_list ap;
if ((xhp->flags & XBPS_FLAG_DEBUG) == 0)
return;
va_start(ap, fmt);
common_printf(stderr, "[DEBUG] ", fmt, ap);
va_end(ap);
}
void
xbps_error_printf(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
common_printf(stderr, "ERROR: ", fmt, ap);
va_end(ap);
}
void
xbps_warn_printf(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
common_printf(stderr, "WARNING: ", fmt, ap);
va_end(ap);
}

View File

@ -120,10 +120,65 @@ ATF_TC_BODY(config_include_nomatch_test, tc)
ATF_REQUIRE_EQ(xbps_array_count(xh.repositories), 0);
}
ATF_TC(config_masking);
ATF_TC_HEAD(config_masking, tc)
{
atf_tc_set_md_var(tc, "descr", "Test file masking");
}
ATF_TC_BODY(config_masking, tc)
{
struct xbps_handle xh;
const char *tcsdir, *repo;
char *buf, *buf2, pwd[PATH_MAX];
int ret;
/* get test source dir */
tcsdir = atf_tc_get_config_var(tc, "srcdir");
memset(&xh, 0, sizeof(xh));
buf = getcwd(pwd, sizeof(pwd));
xbps_strlcpy(xh.rootdir, tcsdir, sizeof(xh.rootdir));
xbps_strlcpy(xh.metadir, tcsdir, sizeof(xh.metadir));
ret = snprintf(xh.confdir, sizeof(xh.confdir), "%s/xbps.d", pwd);
ATF_REQUIRE_EQ((ret >= 0), 1);
ATF_REQUIRE_EQ(((size_t)ret < sizeof(xh.confdir)), 1);
ret = snprintf(xh.sysconfdir, sizeof(xh.sysconfdir), "%s/sys-xbps.d", pwd);
ATF_REQUIRE_EQ((ret >= 0), 1);
ATF_REQUIRE_EQ(((size_t)ret < sizeof(xh.sysconfdir)), 1);
ATF_REQUIRE_EQ(xbps_mkpath(xh.confdir, 0755), 0);
ATF_REQUIRE_EQ(xbps_mkpath(xh.sysconfdir, 0755), 0);
buf = xbps_xasprintf("%s/1.include.cf", tcsdir);
buf2 = xbps_xasprintf("%s/xbps.d/repo.conf", pwd);
ATF_REQUIRE_EQ(symlink(buf, buf2), 0);
free(buf);
free(buf2);
buf = xbps_xasprintf("%s/2.include.cf", tcsdir);
buf2 = xbps_xasprintf("%s/sys-xbps.d/repo.conf", pwd);
ATF_REQUIRE_EQ(symlink(buf, buf2), 0);
free(buf);
free(buf2);
xh.flags = XBPS_FLAG_DEBUG;
ATF_REQUIRE_EQ(xbps_init(&xh), 0);
/* should contain one repository */
ATF_REQUIRE_EQ(xbps_array_count(xh.repositories), 1);
/* should contain repository=1 */
ATF_REQUIRE_EQ(xbps_array_get_cstring_nocopy(xh.repositories, 0, &repo), true);
ATF_REQUIRE_STREQ(repo, "1");
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, config_include_test);
ATF_TP_ADD_TC(tp, config_include_nomatch_test);
ATF_TP_ADD_TC(tp, config_masking);
return atf_no_error();
}