061e2fb9a6
for everything _but_ the multi-user case now (it was the opposite before :-). That means adding packages with the 2.2-960511-SNAP boot floppy is busted. Feh.
565 lines
15 KiB
C
565 lines
15 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last program in the `sysinstall' line - the next
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* generation being essentially a complete rewrite.
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*
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* $Id: index.c,v 1.33 1996/06/08 08:01:49 jkh Exp $
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*
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* Copyright (c) 1995
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* Jordan Hubbard. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* verbatim and that no modifications are made prior to this
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* point in the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ncurses.h>
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#include <dialog.h>
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#include "sysinstall.h"
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/* Macros and magic values */
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#define MAX_MENU 13
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#define _MAX_DESC 60
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static int index_extract_one(Device *dev, PkgNodePtr top, PkgNodePtr who, Boolean depended);
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/* Smarter strdup */
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inline char *
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_strdup(char *ptr)
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{
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return ptr ? strdup(ptr) : NULL;
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}
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static char *descrs[] = {
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"Package Selection", "To mark a package or select a category, move to it and press SPACE.\n"
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"To unmark a package, press SPACE again. To go to a previous menu,\n"
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"select the Cancel button. To search for a package by name, press ESC.\n"
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"To finally extract packages, you should Cancel all the way out of any\n"
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"submenus and then this top menu.",
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"Package Targets", "These are the packages you've selected for extraction.\n\n"
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"If you're sure of these choices, select OK.\n"
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"If not, select Cancel to go back to the package selection menu.\n",
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"All", "All available packages in all categories.",
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"applications", "User application software.",
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"archivers", "Utilities for archiving and unarchiving data.",
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"audio", "Audio utilities - most require a supported sound card.",
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"benchmarks", "Utilities for measuring system performance.",
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"benchmarking", "Utilities for measuring system performance.",
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"cad", "Computer Aided Design utilities.",
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"comms", "Communications utilities.",
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"databases", "Database software.",
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"devel", "Software development utilities and libraries.",
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"development", "Software development utilities and libraries.",
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"documentation", "Document preparation utilities.",
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"editors", "Common text editors.",
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"emulation", "Utilities for emulating other OS types.",
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"emulators", "Utilities for emulating other OS types.",
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"games", "Various and sundry amusements.",
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"graphics", "Graphics libraries and utilities.",
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"japanese", "Ported software for the Japanese market.",
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"lang", "Computer languages.",
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"languages", "Computer languages.",
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"libraries", "Software development libraries.",
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"mail", "Electronic mail packages and utilities.",
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"math", "Mathematical computation software.",
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"misc", "Miscellaneous utilities.",
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"net", "Networking utilities.",
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"networking", "Networking utilities.",
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"news", "USENET News support software.",
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"numeric", "Mathematical computation software.",
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"orphans", "Packages without a home elsewhere.",
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"plan9", "Software from the plan9 Operating System.",
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"print", "Utilities for dealing with printing.",
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"printing", "Utilities for dealing with printing.",
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"programming", "Software development utilities and libraries.",
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"russian", "Ported software for the Russian market.",
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"security", "System security software.",
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"shells", "Various shells (tcsh, bash, etc).",
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"sysutils", "Various system utilities.",
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"www", "WEB utilities (browers, HTTP servers, etc).",
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"troff", "TROFF Text formatting utilities.",
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"utils", "Various user utilities.",
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"utilities", "Various user utilities.",
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"x11", "X Window System based utilities.",
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NULL, NULL,
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};
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static char *
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fetch_desc(char *name)
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{
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int i;
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for (i = 0; descrs[i]; i += 2) {
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if (!strcmp(descrs[i], name))
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return descrs[i + 1];
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}
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return "No description provided";
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}
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static PkgNodePtr
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new_pkg_node(char *name, node_type type)
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{
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PkgNodePtr tmp = safe_malloc(sizeof(PkgNode));
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tmp->name = _strdup(name);
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tmp->type = type;
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return tmp;
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}
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static IndexEntryPtr
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new_index(char *name, char *pathto, char *prefix, char *comment, char *descr, char *maint, char *deps)
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{
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IndexEntryPtr tmp = safe_malloc(sizeof(IndexEntry));
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tmp->name = _strdup(name);
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tmp->path = _strdup(pathto);
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tmp->prefix = _strdup(prefix);
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tmp->comment = _strdup(comment);
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tmp->descrfile = _strdup(descr);
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tmp->maintainer = _strdup(maint);
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tmp->deps = _strdup(deps);
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return tmp;
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}
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static void
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index_register(PkgNodePtr top, char *where, IndexEntryPtr ptr)
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{
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PkgNodePtr p, q;
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for (q = NULL, p = top->kids; p; p = p->next) {
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if (!strcmp(p->name, where)) {
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q = p;
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break;
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}
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}
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if (!p) {
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/* Add new category */
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q = new_pkg_node(where, PLACE);
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q->desc = fetch_desc(where);
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q->next = top->kids;
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top->kids = q;
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}
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p = new_pkg_node(ptr->name, PACKAGE);
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p->desc = ptr->comment;
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p->data = ptr;
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p->next = q->kids;
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q->kids = p;
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}
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static int
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copy_to_sep(char *to, char *from, int sep)
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{
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char *tok;
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tok = strchr(from, sep);
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if (!tok) {
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*to = '\0';
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return 0;
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}
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*tok = '\0';
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strcpy(to, from);
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return tok + 1 - from;
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}
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static int
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readline(int fd, char *buf, int max)
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{
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int rv, i = 0;
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char ch;
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while ((rv = read(fd, &ch, 1)) == 1 && ch != '\n' && i < max)
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buf[i++] = ch;
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if (i < max)
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buf[i] = '\0';
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return rv;
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}
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int
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index_parse(int fd, char *name, char *pathto, char *prefix, char *comment, char *descr, char *maint, char *cats, char *deps)
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{
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char line[1024];
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char *cp;
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int i;
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i = readline(fd, line, 1024);
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if (i <= 0)
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return EOF;
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cp = line;
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cp += copy_to_sep(name, cp, '|');
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cp += copy_to_sep(pathto, cp, '|');
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cp += copy_to_sep(prefix, cp, '|');
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cp += copy_to_sep(comment, cp, '|');
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cp += copy_to_sep(descr, cp, '|');
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cp += copy_to_sep(maint, cp, '|');
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cp += copy_to_sep(cats, cp, '|');
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(void)copy_to_sep(deps, cp, '|');
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/* We're not actually interested in any of the other fields */
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return 0;
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}
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int
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index_get(char *fname, PkgNodePtr papa)
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{
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int i, fd;
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fd = open(fname, O_RDONLY);
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if (fd < 0) {
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fprintf(stderr, "Unable to open index file `%s' for reading.\n", fname);
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i = -1;
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}
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else
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i = index_read(fd, papa);
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close(fd);
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return i;
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}
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int
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index_read(int fd, PkgNodePtr papa)
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{
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char name[127], pathto[255], prefix[255], comment[255], descr[127], maint[127], cats[511], deps[511];
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while (index_parse(fd, name, pathto, prefix, comment, descr, maint, cats, deps) != EOF) {
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char *cp, *cp2, tmp[511];
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IndexEntryPtr idx;
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idx = new_index(name, pathto, prefix, comment, descr, maint, deps);
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/* For now, we only add things to menus if they're in categories. Keywords are ignored */
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for (cp = strcpy(tmp, cats); (cp2 = strchr(cp, ' ')) != NULL; cp = cp2 + 1) {
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*cp2 = '\0';
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index_register(papa, cp, idx);
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}
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index_register(papa, cp, idx);
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/* Add to special "All" category */
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index_register(papa, "All", idx);
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}
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return 0;
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}
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void
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index_init(PkgNodePtr top, PkgNodePtr plist)
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{
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if (top) {
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top->next = top->kids = NULL;
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top->name = "Package Selection";
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top->type = PLACE;
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top->desc = fetch_desc(top->name);
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top->data = NULL;
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}
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if (plist) {
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plist->next = plist->kids = NULL;
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plist->name = "Package Targets";
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plist->type = PLACE;
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plist->desc = fetch_desc(plist->name);
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plist->data = NULL;
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}
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}
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void
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index_print(PkgNodePtr top, int level)
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{
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int i;
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while (top) {
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for (i = 0; i < level; i++) putchar('\t');
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printf("name [%s]: %s\n", top->type == PLACE ? "place" : "package", top->name);
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for (i = 0; i < level; i++) putchar('\t');
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printf("desc: %s\n", top->desc);
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if (top->kids)
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index_print(top->kids, level + 1);
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top = top->next;
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}
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}
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/* Swap one node for another */
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static void
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swap_nodes(PkgNodePtr a, PkgNodePtr b)
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{
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PkgNode tmp;
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tmp = *a;
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*a = *b;
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a->next = tmp.next;
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tmp.next = b->next;
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*b = tmp;
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}
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/* Use a disgustingly simplistic bubble sort to put our lists in order */
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void
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index_sort(PkgNodePtr top)
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{
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PkgNodePtr p, q;
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/* Sort everything at the top level */
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for (p = top->kids; p; p = p->next) {
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for (q = top->kids; q; q = q->next) {
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if (q->next && strcmp(q->name, q->next->name) > 0)
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swap_nodes(q, q->next);
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}
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}
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/* Now sub-sort everything n levels down */
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for (p = top->kids; p; p = p->next) {
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if (p->kids)
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index_sort(p);
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}
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}
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/* Delete an entry out of the list it's in (only the plist, at present) */
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void
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index_delete(PkgNodePtr n)
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{
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if (n->next) {
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PkgNodePtr p = n->next;
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*n = *(n->next);
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safe_free(p);
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}
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else /* Kludgy end sentinal */
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n->name = NULL;
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}
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/*
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* Search for a given node by name, returning the category in if
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* tp is non-NULL.
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*/
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PkgNodePtr
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index_search(PkgNodePtr top, char *str, PkgNodePtr *tp)
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{
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PkgNodePtr p, sp;
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for (p = top->kids; p && p->name; p = p->next) {
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/* Subtract out the All category from searches */
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if (!strcmp(p->name, "All"))
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continue;
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/* If tp == NULL, we're looking for an exact package match */
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if (!tp && !strncmp(p->name, str, strlen(str)))
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return p;
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/* If tp, we're looking for both a package and a pointer to the place it's in */
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if (tp && !strncmp(p->name, str, strlen(str))) {
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*tp = top;
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return p;
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}
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/* The usual recursion-out-of-laziness ploy */
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if (p->kids)
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if ((sp = index_search(p, str, tp)) != NULL)
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return sp;
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}
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if (p && !p->name)
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p = NULL;
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return p;
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}
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int
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pkg_checked(dialogMenuItem *self)
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{
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PkgNodePtr kp = self->data, plist = (PkgNodePtr)self->aux;
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int i;
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i = index_search(plist, kp->name, NULL) ? TRUE : FALSE;
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if (kp->type == PACKAGE && plist)
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return i || (!RunningAsInit && package_exists(kp->name));
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else
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return FALSE;
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}
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int
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pkg_fire(dialogMenuItem *self)
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{
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int ret;
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PkgNodePtr sp, kp = self->data, plist = (PkgNodePtr)self->aux;
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if (!plist)
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ret = DITEM_FAILURE;
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else if (kp->type == PACKAGE) {
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sp = index_search(plist, kp->name, NULL);
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/* Not already selected? */
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if (!sp) {
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if (RunningAsInit || !package_exists(kp->name)) {
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PkgNodePtr np = (PkgNodePtr)safe_malloc(sizeof(PkgNode));
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*np = *kp;
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np->next = plist->kids;
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plist->kids = np;
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msgInfo("Added %s to selection list", kp->name);
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}
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}
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else if (sp) {
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msgInfo("Removed %s from selection list", kp->name);
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index_delete(sp);
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}
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ret = DITEM_SUCCESS;
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}
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else { /* Not a package, must be a directory */
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int p, s;
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p = s = 0;
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index_menu(kp, plist, &p, &s);
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ret = DITEM_SUCCESS | DITEM_CONTINUE;
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}
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return ret;
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}
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void
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pkg_selected(dialogMenuItem *self, int is_selected)
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{
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}
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int
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index_menu(PkgNodePtr top, PkgNodePtr plist, int *pos, int *scroll)
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{
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int n, rval, maxname;
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int curr, max;
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PkgNodePtr kp;
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dialogMenuItem *nitems;
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Boolean hasPackages;
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WINDOW *w;
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hasPackages = FALSE;
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nitems = NULL;
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w = savescr();
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n = maxname = 0;
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/* Figure out if this menu is full of "leaves" or "branches" */
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for (kp = top->kids; kp && kp->name; kp = kp->next) {
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int len;
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++n;
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if (kp->type == PACKAGE && plist) {
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hasPackages = TRUE;
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if ((len = strlen(kp->name)) > maxname)
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maxname = len;
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}
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}
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if (!n && plist) {
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msgConfirm("The %s menu is empty.", top->name);
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restorescr(w);
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return DITEM_LEAVE_MENU;
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}
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while (1) {
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n = 0;
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curr = max = 0;
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kp = top->kids;
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while (kp && kp->name) {
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char buf[256];
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/* Brutally adjust description to fit in menu */
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strcpy(buf, kp->desc);
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if (strlen(buf) > (_MAX_DESC - maxname))
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buf[_MAX_DESC - maxname] = '\0';
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nitems = item_add(nitems, kp->name, buf, pkg_checked, pkg_fire, pkg_selected, kp, (int)plist, &curr, &max);
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++n;
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kp = kp->next;
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}
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/* NULL delimiter so item_free() knows when to stop later */
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nitems = item_add(nitems, NULL, NULL, NULL, NULL, NULL, NULL, 0, &curr, &max);
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dialog_clear();
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if (hasPackages)
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rval = dialog_checklist(top->name, top->desc, -1, -1, n > MAX_MENU ? MAX_MENU : n, -n, nitems, NULL);
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else /* It's a categories menu */
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rval = dialog_menu(top->name, top->desc, -1, -1, n > MAX_MENU ? MAX_MENU : n, -n,
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nitems, NULL, pos, scroll);
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if (rval == -1 && plist) {
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static char *cp;
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PkgNodePtr menu;
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/* Search */
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if ((cp = msgGetInput(cp, "Search by package name. Please enter search string:")) != NULL) {
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PkgNodePtr p = index_search(top, cp, &menu);
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if (p) {
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int pos, scroll;
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/* These need to be set to point at the found item, actually. Hmmm! */
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pos = scroll = 0;
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index_menu(menu, plist, &pos, &scroll);
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}
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else
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msgConfirm("Search string: %s yielded no hits.", cp);
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}
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continue;
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}
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items_free(nitems, &curr, &max);
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restorescr(w);
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return rval ? DITEM_FAILURE : DITEM_SUCCESS;
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}
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}
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int
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|
index_extract(Device *dev, PkgNodePtr top, PkgNodePtr plist)
|
|
{
|
|
PkgNodePtr tmp;
|
|
int status = DITEM_SUCCESS;
|
|
|
|
for (tmp = plist->kids; tmp && tmp->name; tmp = tmp->next)
|
|
status = index_extract_one(dev, top, tmp, FALSE);
|
|
return status;
|
|
}
|
|
|
|
static int
|
|
index_extract_one(Device *dev, PkgNodePtr top, PkgNodePtr who, Boolean depended)
|
|
{
|
|
int status = DITEM_SUCCESS;
|
|
PkgNodePtr tmp2;
|
|
IndexEntryPtr id = who->data;
|
|
|
|
if (id && id->deps && strlen(id->deps)) {
|
|
char t[1024], *cp, *cp2;
|
|
|
|
strcpy(t, id->deps);
|
|
cp = t;
|
|
while (cp && DITEM_STATUS(status) == DITEM_SUCCESS) {
|
|
if ((cp2 = index(cp, ' ')) != NULL)
|
|
*cp2 = '\0';
|
|
if ((tmp2 = index_search(top, cp, NULL)) != NULL) {
|
|
status = index_extract_one(dev, top, tmp2, TRUE);
|
|
if (DITEM_STATUS(status) != DITEM_SUCCESS) {
|
|
if (variable_get(VAR_NO_CONFIRM))
|
|
msgNotify("Loading of dependant package %s failed", cp);
|
|
else
|
|
msgConfirm("Loading of dependant package %s failed", cp);
|
|
}
|
|
if (cp2)
|
|
cp = cp2 + 1;
|
|
else
|
|
cp = NULL;
|
|
}
|
|
}
|
|
}
|
|
/* Done with the deps? Load the real m'coy */
|
|
if (DITEM_STATUS(status) == DITEM_SUCCESS)
|
|
status = package_extract(dev, who->name, depended);
|
|
return status;
|
|
}
|