xbps/lib/initend.c

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/*-
* 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 <sys/utsname.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "xbps_api_impl.h"
/**
* @file lib/initend.c
* @brief Initialization and finalization routines
* @defgroup initend Initialization and finalization functions
*
* Use these functions to initialize some parameters before start
* using libxbps and finalize usage to release resources at the end.
*/
int
xbps_init(struct xbps_handle *xhp)
{
const char *native_arch = NULL, *p;
int rv = 0;
assert(xhp != NULL);
if (xhp->flags & XBPS_FLAG_DEBUG)
xbps_debug_level = 1;
xbps_dbg_printf("%s\n", XBPS_RELVER);
/* Set rootdir */
if (xhp->rootdir[0] == '\0') {
xhp->rootdir[0] = '/';
xhp->rootdir[1] = '\0';
} else if (xhp->rootdir[0] != '/') {
char cwd[XBPS_MAXPATH];
if (getcwd(cwd, sizeof(cwd)) == NULL)
return ENOBUFS;
if (xbps_path_prepend(xhp->rootdir, sizeof xhp->rootdir, cwd) == -1)
return ENOBUFS;
}
if (xbps_path_clean(xhp->rootdir) == -1)
return ENOTSUP;
/* set confdir */
if (xhp->confdir[0] == '\0') {
if (xbps_path_join(xhp->confdir, sizeof xhp->confdir,
xhp->rootdir, XBPS_SYSCONF_PATH, (char *)NULL) == -1)
return ENOBUFS;
} else if (xhp->confdir[0] != '/') {
/* relative path */
if (xbps_path_prepend(xhp->confdir, sizeof xhp->confdir,
xhp->rootdir) == -1)
return ENOBUFS;
}
if (xbps_path_clean(xhp->confdir) == -1)
return ENOTSUP;
/* set sysconfdir */
if (xhp->sysconfdir[0] == '\0') {
if (xbps_path_join(xhp->sysconfdir, sizeof xhp->sysconfdir,
xhp->rootdir, XBPS_SYSDEFCONF_PATH, (char *)NULL) == -1)
return ENOBUFS;
}
if (xbps_path_clean(xhp->sysconfdir) == -1)
return ENOTSUP;
xbps_fetch_set_cache_connection(XBPS_FETCH_CACHECONN, XBPS_FETCH_CACHECONN_HOST);
2021-06-26 18:56:18 +05:30
xhp->vpkgd = xbps_dictionary_create();
if (xhp->vpkgd == NULL)
return errno ? errno : ENOMEM;
xhp->vpkgd_conf = xbps_dictionary_create();
if (xhp->vpkgd_conf == NULL)
return errno ? errno : ENOMEM;
/* process xbps.d directories */
if ((rv = xbps_conf_init(xhp)) != 0)
return rv;
/* target arch only through env var */
xhp->target_arch = getenv("XBPS_TARGET_ARCH");
if (xhp->target_arch && *xhp->target_arch == '\0')
xhp->target_arch = NULL;
/* allow to overwrite uname(3) and conf file with env variable */
if ((native_arch = getenv("XBPS_ARCH")) && *native_arch != '\0') {
if (xbps_strlcpy(xhp->native_arch, native_arch,
sizeof xhp->native_arch) >= sizeof xhp->native_arch)
return ENOBUFS;
}
if (*xhp->native_arch == '\0') {
struct utsname un;
if (uname(&un) == -1)
return ENOTSUP;
if (xbps_strlcpy(xhp->native_arch, un.machine,
sizeof xhp->native_arch) >= sizeof xhp->native_arch)
return ENOBUFS;
}
assert(*xhp->native_arch);
/* Set cachedir */
if (xhp->cachedir[0] == '\0') {
if (xbps_path_join(xhp->cachedir, sizeof xhp->cachedir,
xhp->rootdir, XBPS_CACHE_PATH, (char *)NULL) == -1)
return ENOBUFS;
} else if (xhp->cachedir[0] != '/') {
/* relative path */
if (xbps_path_prepend(xhp->cachedir, sizeof xhp->cachedir,
xhp->rootdir) == -1)
return ENOBUFS;
}
if (xbps_path_clean(xhp->cachedir) == -1)
return ENOTSUP;
/* Set metadir */
if (xhp->metadir[0] == '\0') {
if (xbps_path_join(xhp->metadir, sizeof xhp->metadir,
xhp->rootdir, XBPS_META_PATH, (char *)NULL) == -1)
return ENOBUFS;
} else if (xhp->metadir[0] != '/') {
/* relative path */
if (xbps_path_prepend(xhp->metadir, sizeof xhp->metadir,
xhp->rootdir) == -1)
return ENOBUFS;
}
if (xbps_path_clean(xhp->metadir) == -1)
return ENOTSUP;
p = getenv("XBPS_SYSLOG");
if (p) {
if (strcasecmp(p, "true") == 0)
xhp->flags &= ~XBPS_FLAG_DISABLE_SYSLOG;
else if (strcasecmp(p, "false") == 0)
xhp->flags |= XBPS_FLAG_DISABLE_SYSLOG;
}
if (xhp->flags & XBPS_FLAG_DEBUG) {
const char *repodir;
for (unsigned int i = 0; i < xbps_array_count(xhp->repositories); i++) {
if (!xbps_array_get_cstring_nocopy(xhp->repositories, i, &repodir))
return errno;
xbps_dbg_printf("Repository[%u]=%s\n", i, repodir);
}
}
return 0;
}
void
xbps_end(struct xbps_handle *xhp)
{
assert(xhp);
xbps_pkgdb_release(xhp);
}