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shlib.c
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shlib.c
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/*-
* Copyright (c) 2012 Matthew Seaman <matthew@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
* in this position and unchanged.
* 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(S) ``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(S) 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/param.h>
#include <err.h>
#include <stdio.h>
#include <pkg.h>
#include <libgen.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sysexits.h>
#include <ctype.h>
#include "pkgcli.h"
void
usage_shlib(void)
{
fprintf(stderr, "usage: pkg shlib <library>\n\n");
fprintf(stderr, "<library> should be a filename without leading path.\n");
fprintf(stderr, "For more information see 'pkg help shlib'.\n");
}
char*
sanitize(char *target, const char *source, size_t size)
{
size_t i;
int s;
char *rc = target;
for (i = 0; i < size - 1; i++) {
s = source[i];
if (s == '\0')
break;
if (isascii(s) && (isspace(s) || s == '/')) {
rc = NULL;
break;
} else {
target[i] = s;
}
}
target[i] = '\0';
return (rc);
}
int
exec_shlib(int argc, char **argv)
{
struct pkgdb *db = NULL;
struct pkgdb_it *it = NULL;
struct pkg *pkg = NULL;
char libname[MAXPATHLEN + 1];
int ret = EPKG_OK, retcode = EPKG_OK, count = 0;
const char *name, *version;
if (argc != 2) {
usage_shlib();
return (EX_USAGE);
}
if (sanitize(libname, argv[1], sizeof(libname)) == NULL) {
usage_shlib();
return (EX_USAGE);
}
if (pkgdb_open(&db, PKGDB_DEFAULT) != EPKG_OK) {
pkgdb_close(db);
return (EX_IOERR);
}
if ((it = pkgdb_query_shlib(db, libname)) == NULL) {
return (EX_IOERR);
}
while ((ret = pkgdb_it_next(it, &pkg, PKG_LOAD_BASIC)) == EPKG_OK) {
if (count == 0)
printf("%s is linked to by the folowing packages:\n", libname);
count++;
pkg_get(pkg, PKG_NAME, &name, PKG_VERSION, &version);
printf("%s-%s\n", name, version);
}
if (ret != EPKG_END) {
retcode = EPKG_WARN;
} else if (count == 0) {
printf("%s was not found in the database.\n", libname);
retcode = EPKG_WARN;
}
pkg_free(pkg);
pkgdb_it_free(it);
pkgdb_close(db);
return (retcode);
}