485 lines
13 KiB
C
485 lines
13 KiB
C
/* info.c - Alpine Package Keeper (APK)
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*
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* Copyright (C) 2005-2009 Natanael Copa <n@tanael.org>
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* Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation. See http://www.gnu.org/ for details.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <limits.h>
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#include "apk_defines.h"
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#include "apk_applet.h"
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#include "apk_package.h"
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#include "apk_database.h"
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#include "apk_print.h"
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struct info_ctx {
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struct apk_database *db;
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void (*action)(struct info_ctx *ctx, struct apk_database *db, struct apk_string_array *args);
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int subaction_mask;
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int errors;
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};
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/* These need to stay in sync with the function pointer array in
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* info_subaction() */
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#define APK_INFO_DESC 0x01
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#define APK_INFO_URL 0x02
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#define APK_INFO_SIZE 0x04
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#define APK_INFO_DEPENDS 0x08
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#define APK_INFO_PROVIDES 0x10
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#define APK_INFO_RDEPENDS 0x20
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#define APK_INFO_CONTENTS 0x40
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#define APK_INFO_TRIGGERS 0x80
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#define APK_INFO_INSTALL_IF 0x100
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#define APK_INFO_RINSTALL_IF 0x200
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#define APK_INFO_REPLACES 0x400
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#define APK_INFO_LICENSE 0x800
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static void verbose_print_pkg(struct apk_package *pkg, int minimal_verbosity)
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{
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int verbosity = apk_verbosity;
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if (verbosity < minimal_verbosity)
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verbosity = minimal_verbosity;
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if (pkg == NULL || verbosity < 1)
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return;
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printf("%s", pkg->name->name);
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if (apk_verbosity > 1)
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printf("-" BLOB_FMT, BLOB_PRINTF(*pkg->version));
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if (apk_verbosity > 2)
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printf(" - %s", pkg->description);
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printf("\n");
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}
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static void info_exists(struct info_ctx *ctx, struct apk_database *db,
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struct apk_string_array *args)
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{
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struct apk_name *name;
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struct apk_dependency dep;
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struct apk_provider *p;
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char **parg;
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int ok;
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foreach_array_item(parg, args) {
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apk_blob_t b = APK_BLOB_STR(*parg);
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apk_blob_pull_dep(&b, db, &dep);
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if (APK_BLOB_IS_NULL(b) || b.len > 0)
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continue;
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name = dep.name;
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if (name == NULL)
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continue;
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ok = apk_dep_is_provided(&dep, NULL);
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foreach_array_item(p, name->providers) {
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if (!p->pkg->ipkg) continue;
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ok = apk_dep_is_provided(&dep, p);
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if (ok) verbose_print_pkg(p->pkg, 0);
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break;
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}
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if (!ok) ctx->errors++;
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}
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}
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static void info_who_owns(struct info_ctx *ctx, struct apk_database *db,
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struct apk_string_array *args)
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{
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struct apk_package *pkg;
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struct apk_dependency_array *deps;
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struct apk_dependency dep;
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struct apk_ostream *os;
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const char *via;
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char **parg, fnbuf[PATH_MAX], buf[PATH_MAX];
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apk_blob_t fn;
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ssize_t r;
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apk_dependency_array_init(&deps);
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foreach_array_item(parg, args) {
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if (*parg[0] != '/' && realpath(*parg, fnbuf))
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fn = APK_BLOB_STR(fnbuf);
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else
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fn = APK_BLOB_STR(*parg);
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via = "";
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pkg = apk_db_get_file_owner(db, fn);
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if (pkg == NULL) {
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r = readlinkat(db->root_fd, *parg, buf, sizeof(buf));
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if (r > 0 && r < PATH_MAX && buf[0] == '/') {
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pkg = apk_db_get_file_owner(db, APK_BLOB_STR(buf));
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via = "symlink target ";
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}
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}
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if (pkg == NULL) {
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apk_error(BLOB_FMT ": Could not find owner package",
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BLOB_PRINTF(fn));
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ctx->errors++;
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continue;
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}
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if (apk_verbosity < 1) {
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dep = (struct apk_dependency) {
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.name = pkg->name,
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.version = apk_blob_atomize(APK_BLOB_NULL),
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.result_mask = APK_DEPMASK_ANY,
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};
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apk_deps_add(&deps, &dep);
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} else {
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printf(BLOB_FMT " %sis owned by " PKG_VER_FMT "\n",
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BLOB_PRINTF(fn), via, PKG_VER_PRINTF(pkg));
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}
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}
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if (apk_verbosity < 1 && deps->num != 0) {
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os = apk_ostream_to_fd(STDOUT_FILENO);
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if (!IS_ERR_OR_NULL(os)) {
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apk_deps_write(db, deps, os, APK_BLOB_PTR_LEN(" ", 1));
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apk_ostream_write(os, "\n", 1);
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apk_ostream_close(os);
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}
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}
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apk_dependency_array_free(&deps);
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}
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static void info_print_description(struct apk_database *db, struct apk_package *pkg)
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{
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if (apk_verbosity > 1)
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printf("%s: %s", pkg->name->name, pkg->description);
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else
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printf(PKG_VER_FMT " description:\n%s\n",
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PKG_VER_PRINTF(pkg),
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pkg->description);
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}
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static void info_print_url(struct apk_database *db, struct apk_package *pkg)
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{
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if (apk_verbosity > 1)
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printf("%s: %s", pkg->name->name, pkg->url);
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else
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printf(PKG_VER_FMT " webpage:\n%s\n",
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PKG_VER_PRINTF(pkg),
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pkg->url);
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}
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static void info_print_license(struct apk_database *db, struct apk_package *pkg)
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{
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if (apk_verbosity > 1)
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printf("%s: " BLOB_FMT , pkg->name->name, BLOB_PRINTF(*pkg->license));
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else
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printf(PKG_VER_FMT " license:\n" BLOB_FMT "\n",
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PKG_VER_PRINTF(pkg),
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BLOB_PRINTF(*pkg->license));
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}
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static void info_print_size(struct apk_database *db, struct apk_package *pkg)
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{
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if (apk_verbosity > 1)
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printf("%s: %zu", pkg->name->name, pkg->installed_size);
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else
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printf(PKG_VER_FMT " installed size:\n%zu\n",
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PKG_VER_PRINTF(pkg),
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pkg->installed_size);
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}
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static void info_print_dep_array(struct apk_database *db, struct apk_package *pkg,
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struct apk_dependency_array *deps, const char *dep_text)
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{
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struct apk_dependency *d;
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apk_blob_t separator = APK_BLOB_STR(apk_verbosity > 1 ? " " : "\n");
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char buf[256];
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if (apk_verbosity == 1)
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printf(PKG_VER_FMT " %s:\n", PKG_VER_PRINTF(pkg), dep_text);
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if (apk_verbosity > 1)
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printf("%s: ", pkg->name->name);
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foreach_array_item(d, deps) {
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apk_blob_t b = APK_BLOB_BUF(buf);
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apk_blob_push_dep(&b, db, d);
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apk_blob_push_blob(&b, separator);
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b = apk_blob_pushed(APK_BLOB_BUF(buf), b);
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fwrite(b.ptr, b.len, 1, stdout);
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}
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}
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static void info_print_depends(struct apk_database *db, struct apk_package *pkg)
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{
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info_print_dep_array(db, pkg, pkg->depends, "depends on");
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}
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static void info_print_provides(struct apk_database *db, struct apk_package *pkg)
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{
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info_print_dep_array(db, pkg, pkg->provides, "provides");
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}
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static void print_rdep_pkg(struct apk_package *pkg0, struct apk_dependency *dep0, struct apk_package *pkg, void *pctx)
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{
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printf(PKG_VER_FMT "%s", PKG_VER_PRINTF(pkg0), apk_verbosity > 1 ? " " : "\n");
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}
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static void info_print_required_by(struct apk_database *db, struct apk_package *pkg)
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{
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if (apk_verbosity == 1)
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printf(PKG_VER_FMT " is required by:\n", PKG_VER_PRINTF(pkg));
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if (apk_verbosity > 1)
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printf("%s: ", pkg->name->name);
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apk_pkg_foreach_reverse_dependency(
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pkg,
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APK_FOREACH_INSTALLED | APK_DEP_SATISFIES | apk_foreach_genid(),
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print_rdep_pkg, NULL);
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}
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static void info_print_install_if(struct apk_database *db, struct apk_package *pkg)
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{
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info_print_dep_array(db, pkg, pkg->install_if, "has auto-install rule");
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}
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static void info_print_rinstall_if(struct apk_database *db, struct apk_package *pkg)
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{
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int i, j;
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char *separator = apk_verbosity > 1 ? " " : "\n";
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if (apk_verbosity == 1)
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printf(PKG_VER_FMT " affects auto-installation of:\n",
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PKG_VER_PRINTF(pkg));
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if (apk_verbosity > 1)
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printf("%s: ", pkg->name->name);
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for (i = 0; i < pkg->name->rinstall_if->num; i++) {
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struct apk_name *name0;
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struct apk_package *pkg0;
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/* Check only the package that is installed, and that
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* it actually has this package in install_if. */
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name0 = pkg->name->rinstall_if->item[i];
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pkg0 = apk_pkg_get_installed(name0);
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if (pkg0 == NULL)
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continue;
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for (j = 0; j < pkg0->install_if->num; j++) {
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if (pkg0->install_if->item[j].name != pkg->name)
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continue;
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printf(PKG_VER_FMT "%s",
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PKG_VER_PRINTF(pkg0),
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separator);
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break;
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}
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}
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}
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static void info_print_contents(struct apk_database *db, struct apk_package *pkg)
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{
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struct apk_installed_package *ipkg = pkg->ipkg;
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struct apk_db_dir_instance *diri;
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struct apk_db_file *file;
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struct hlist_node *dc, *dn, *fc, *fn;
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if (apk_verbosity == 1)
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printf(PKG_VER_FMT " contains:\n",
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PKG_VER_PRINTF(pkg));
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hlist_for_each_entry_safe(diri, dc, dn, &ipkg->owned_dirs,
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pkg_dirs_list) {
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hlist_for_each_entry_safe(file, fc, fn, &diri->owned_files,
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diri_files_list) {
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if (apk_verbosity > 1)
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printf("%s: ", pkg->name->name);
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printf(DIR_FILE_FMT "\n", DIR_FILE_PRINTF(diri->dir, file));
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}
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}
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}
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static void info_print_triggers(struct apk_database *db, struct apk_package *pkg)
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{
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struct apk_installed_package *ipkg = pkg->ipkg;
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char **trigger;
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if (apk_verbosity == 1)
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printf(PKG_VER_FMT " triggers:\n",
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PKG_VER_PRINTF(pkg));
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foreach_array_item(trigger, ipkg->triggers) {
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if (apk_verbosity > 1)
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printf("%s: trigger ", pkg->name->name);
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printf("%s\n", *trigger);
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}
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}
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static void info_print_replaces(struct apk_database *db, struct apk_package *pkg)
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{
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info_print_dep_array(db, pkg, pkg->ipkg->replaces, "replaces");
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}
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static void info_subaction(struct info_ctx *ctx, struct apk_package *pkg)
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{
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typedef void (*subaction_t)(struct apk_database *, struct apk_package *);
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static subaction_t subactions[] = {
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info_print_description,
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info_print_url,
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info_print_size,
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info_print_depends,
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info_print_provides,
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info_print_required_by,
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info_print_contents,
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info_print_triggers,
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info_print_install_if,
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info_print_rinstall_if,
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info_print_replaces,
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info_print_license,
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};
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const int requireipkg =
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APK_INFO_CONTENTS | APK_INFO_TRIGGERS | APK_INFO_RDEPENDS |
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APK_INFO_RINSTALL_IF | APK_INFO_REPLACES;
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int i;
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for (i = 0; i < ARRAY_SIZE(subactions); i++) {
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if (!(BIT(i) & ctx->subaction_mask))
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continue;
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if (pkg->ipkg == NULL && (BIT(i) & requireipkg))
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continue;
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subactions[i](ctx->db, pkg);
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puts("");
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}
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}
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static void print_name_info(struct apk_database *db, const char *match, struct apk_name *name, void *pctx)
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{
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struct info_ctx *ctx = (struct info_ctx *) pctx;
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struct apk_provider *p;
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if (name == NULL) {
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ctx->errors++;
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return;
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}
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foreach_array_item(p, name->providers)
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info_subaction(ctx, p->pkg);
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}
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static int option_parse_applet(void *pctx, struct apk_db_options *dbopts, int optch, const char *optarg)
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{
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struct info_ctx *ctx = (struct info_ctx *) pctx;
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ctx->action = NULL;
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switch (optch) {
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case 'e':
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ctx->action = info_exists;
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dbopts->open_flags |= APK_OPENF_NO_REPOS;
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break;
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case 'W':
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ctx->action = info_who_owns;
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dbopts->open_flags |= APK_OPENF_NO_REPOS;
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break;
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case 'w':
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ctx->subaction_mask |= APK_INFO_URL;
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break;
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case 'R':
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ctx->subaction_mask |= APK_INFO_DEPENDS;
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break;
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case 'P':
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ctx->subaction_mask |= APK_INFO_PROVIDES;
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break;
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case 'r':
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ctx->subaction_mask |= APK_INFO_RDEPENDS;
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break;
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case 'I':
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ctx->subaction_mask |= APK_INFO_INSTALL_IF;
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break;
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case 'i':
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ctx->subaction_mask |= APK_INFO_RINSTALL_IF;
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break;
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case 's':
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ctx->subaction_mask |= APK_INFO_SIZE;
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break;
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case 'd':
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ctx->subaction_mask |= APK_INFO_DESC;
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break;
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case 'L':
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ctx->subaction_mask |= APK_INFO_CONTENTS;
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break;
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case 't':
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ctx->subaction_mask |= APK_INFO_TRIGGERS;
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break;
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case 0x10000:
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ctx->subaction_mask |= APK_INFO_REPLACES;
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break;
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case 0x10001:
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ctx->subaction_mask |= APK_INFO_LICENSE;
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break;
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case 'a':
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ctx->subaction_mask = 0xffffffff;
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break;
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default:
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return -1;
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}
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return 0;
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}
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static int info_main(void *ctx, struct apk_database *db, struct apk_string_array *args)
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{
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struct info_ctx *ictx = (struct info_ctx *) ctx;
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struct apk_installed_package *ipkg;
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ictx->db = db;
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if (ictx->subaction_mask == 0)
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ictx->subaction_mask = APK_INFO_DESC | APK_INFO_URL | APK_INFO_SIZE;
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if (ictx->action != NULL) {
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ictx->action(ictx, db, args);
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} else if (args->num > 0) {
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/* Print info on given names */
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apk_name_foreach_matching(
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db, args, APK_FOREACH_NULL_MATCHES_ALL | apk_foreach_genid(),
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print_name_info, ctx);
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} else {
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/* Print all installed packages */
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list_for_each_entry(ipkg, &db->installed.packages, installed_pkgs_list)
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verbose_print_pkg(ipkg->pkg, 1);
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}
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return ictx->errors;
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}
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static const struct apk_option options_applet[] = {
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{ 'L', "contents", "List contents of the PACKAGE" },
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{ 'e', "installed", "Check if PACKAGE is installed" },
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{ 'W', "who-owns", "Print the package owning the specified file" },
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{ 'R', "depends", "List packages that the PACKAGE depends on" },
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{ 'P', "provides", "List virtual packages provided by PACKAGE" },
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{ 'r', "rdepends", "List all packages depending on PACKAGE" },
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{ 0x10000, "replaces", "List packages whom files PACKAGE might replace" },
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{ 'i', "install-if", "List the PACKAGE's install_if rule" },
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{ 'I', "rinstall-if", "List all packages having install_if referencing PACKAGE" },
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{ 'w', "webpage", "Show URL for more information about PACKAGE" },
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{ 's', "size", "Show installed size of PACKAGE" },
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{ 'd', "description", "Print description for PACKAGE" },
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{ 0x10001, "license", "Print license for PACKAGE" },
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{ 't', "triggers", "Print active triggers of PACKAGE" },
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{ 'a', "all", "Print all information about PACKAGE" },
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};
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static const struct apk_option_group optgroup_applet = {
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.name = "Info",
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.options = options_applet,
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.num_options = ARRAY_SIZE(options_applet),
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.parse = option_parse_applet,
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};
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static struct apk_applet apk_info = {
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.name = "info",
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.help = "Give detailed information about PACKAGEs or repositories",
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.arguments = "PACKAGE...",
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.open_flags = APK_OPENF_READ,
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.context_size = sizeof(struct info_ctx),
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.optgroups = { &optgroup_global, &optgroup_applet },
|
|
.main = info_main,
|
|
};
|
|
|
|
APK_DEFINE_APPLET(apk_info);
|
|
|