xbps/lib/initend.c
2019-12-27 16:23:56 +01:00

204 lines
6.1 KiB
C

/*-
* 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 <stdlib.h>
#include <string.h>
#include <errno.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)
{
char *buf = NULL;
const char *repodir = NULL, *native_arch = NULL;
int rv = 0;
size_t size;
assert(xhp != NULL);
/* 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;
size = sizeof(xhp->rootdir);
rv = snprintf(xhp->rootdir, size, "%s/%s", cwd, buf);
free(buf);
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);
rv = snprintf(xhp->confdir, size,
"%s%s", strcmp(xhp->rootdir, "/") ? xhp->rootdir : "",
XBPS_SYSCONF_PATH);
if (rv < 0 || (size_t)rv >= size)
return 1;
} else if (xhp->confdir[0] != '/') {
/* relative path */
buf = strdup(xhp->confdir);
if (!buf)
return ENOMEM;
size = sizeof(xhp->confdir);
rv = snprintf(xhp->confdir, size, "%s/%s",
strcmp(xhp->rootdir, "/") ? xhp->rootdir : "", buf);
free(buf);
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));
} else {
#if defined(__linux__) && !defined(__GLIBC__)
/* musl libc on linux */
char *s = NULL;
#endif
struct utsname un;
if (uname(&un) == -1)
return ENOTSUP;
#if defined(__linux__) && !defined(__GLIBC__)
/* musl libc on linux */
s = xbps_xasprintf("%s-musl", un.machine);
assert(s);
xbps_strlcpy(xhp->native_arch, s, sizeof(xhp->native_arch));
free(s);
#else
/* glibc or any other os */
xbps_strlcpy(xhp->native_arch, un.machine, sizeof (xhp->native_arch));
#endif
}
assert(xhp->native_arch);
xbps_fetch_set_cache_connection(XBPS_FETCH_CACHECONN, XBPS_FETCH_CACHECONN_HOST);
/* process xbps.d directories */
if ((rv = xbps_conf_init(xhp)) != 0)
return rv;
/* Set cachedir */
if (xhp->cachedir[0] == '\0') {
size = sizeof(xhp->cachedir);
rv = snprintf(xhp->cachedir, size,
"%s/%s", strcmp(xhp->rootdir, "/") ? xhp->rootdir : "",
XBPS_CACHE_PATH);
if (rv < 0 || (size_t)rv >= size)
return 1;
} else if (xhp->cachedir[0] != '/') {
/* relative path */
buf = strdup(xhp->cachedir);
if (!buf)
return ENOMEM;
size = sizeof(xhp->cachedir);
rv = snprintf(xhp->cachedir, size,
"%s/%s", strcmp(xhp->rootdir, "/") ? xhp->rootdir : "", buf);
free(buf);
if (rv < 0 || (size_t)rv >= size)
return 1;
}
/* Set metadir */
if (xhp->metadir[0] == '\0') {
size = sizeof(xhp->metadir);
rv = snprintf(xhp->metadir, size,
"%s/%s", strcmp(xhp->rootdir, "/") ? xhp->rootdir : "",
XBPS_META_PATH);
if (rv < 0 || (size_t)rv >= size)
return 1;
} else if (xhp->metadir[0] != '/') {
/* relative path */
buf = strdup(xhp->metadir);
if (!buf)
return ENOMEM;
size = sizeof(xhp->metadir);
rv = snprintf(xhp->metadir, size,
"%s/%s", strcmp(xhp->rootdir, "/") ? xhp->rootdir : "", buf);
free(buf);
if (rv < 0 || (size_t)rv >= size)
return 1;
}
xbps_dbg_printf(xhp, "rootdir=%s\n", xhp->rootdir);
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", 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);
xbps_dbg_printf(xhp, "Target Architecture: %s\n", xhp->target_arch);
if (xhp->flags & XBPS_FLAG_DEBUG) {
for (unsigned int i = 0; i < xbps_array_count(xhp->repositories); i++) {
xbps_array_get_cstring_nocopy(xhp->repositories, i, &repodir);
xbps_dbg_printf(xhp, "Repository[%u]=%s\n", i, repodir);
}
}
return 0;
}
void
xbps_end(struct xbps_handle *xhp)
{
assert(xhp);
xbps_pkgdb_release(xhp);
}