freebsd-dev/usr.sbin/pkg_install/info/perform.c
1997-02-22 16:15:28 +00:00

205 lines
5.0 KiB
C

#ifndef lint
static const char *rcsid = "$Id$";
#endif
/*
* FreeBSD install - a package for the installation and maintainance
* of non-core utilities.
*
* 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.
*
* Jordan K. Hubbard
* 23 Aug 1993
*
* This is the main body of the info module.
*
*/
#include "lib.h"
#include "info.h"
#include <signal.h>
static int pkg_do(char *);
int
pkg_perform(char **pkgs)
{
int i, err_cnt = 0;
char *tmp;
signal(SIGINT, cleanup);
tmp = getenv(PKG_DBDIR);
if (!tmp)
tmp = DEF_LOG_DIR;
/* Overriding action? */
if (CheckPkg) {
char buf[FILENAME_MAX];
snprintf(buf, FILENAME_MAX, "%s/%s", tmp, CheckPkg);
return abs(access(buf, R_OK));
}
else if (AllInstalled) {
DIR *dirp;
struct dirent *dp;
if (!isdir(tmp))
return 1;
dirp = opendir(tmp);
if (dirp) {
for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp))
if (strcmp(dp->d_name, ".") && strcmp(dp->d_name, ".."))
err_cnt += pkg_do(dp->d_name);
(void)closedir(dirp);
}
}
else
for (i = 0; pkgs[i]; i++)
err_cnt += pkg_do(pkgs[i]);
return err_cnt;
}
static char *Home;
static int
pkg_do(char *pkg)
{
Boolean installed = FALSE, isTMP = FALSE;
char log_dir[FILENAME_MAX];
char fname[FILENAME_MAX];
Package plist;
FILE *fp;
struct stat sb;
char *cp = NULL;
int code = 0;
if (isURL(pkg)) {
if ((cp = fileGetURL(NULL, pkg)) != NULL) {
strcpy(fname, cp);
isTMP = TRUE;
}
}
else if (fexists(pkg) && isfile(pkg)) {
int len;
if (*pkg != '/') {
if (!getcwd(fname, FILENAME_MAX))
upchuck("getcwd");
len = strlen(fname);
snprintf(&fname[len], FILENAME_MAX - len, "/%s", pkg);
}
else
strcpy(fname, pkg);
cp = fname;
}
else {
if ((cp = fileFindByPath(NULL, pkg)) != NULL)
strncpy(fname, cp, FILENAME_MAX);
}
if (cp) {
/*
* Apply a crude heuristic to see how much space the package will
* take up once it's unpacked. I've noticed that most packages
* compress an average of 75%, but we're only unpacking the + files so
* be very optimistic.
*/
if (stat(fname, &sb) == FAIL) {
whinge("Can't stat package file '%s'.", fname);
code = 1;
goto bail;
}
Home = make_playpen(PlayPen, sb.st_size / 2);
if (unpack(fname, "+*")) {
whinge("Error during unpacking, no info for '%s' available.", pkg);
code = 1;
goto bail;
}
}
/* It's not an ininstalled package, try and find it among the installed */
else {
char *tmp;
sprintf(log_dir, "%s/%s", (tmp = getenv(PKG_DBDIR)) ? tmp : DEF_LOG_DIR,
pkg);
if (!fexists(log_dir)) {
whinge("Can't find package `%s' installed or in a file!", pkg);
return 1;
}
if (chdir(log_dir) == FAIL) {
whinge("Can't change directory to '%s'!", log_dir);
return 1;
}
installed = TRUE;
}
/* Suck in the contents list */
plist.head = plist.tail = NULL;
fp = fopen(CONTENTS_FNAME, "r");
if (!fp) {
whinge("Unable to open %s file.", CONTENTS_FNAME);
code = 1;
goto bail;
}
/* If we have a prefix, add it now */
read_plist(&plist, fp);
fclose(fp);
/*
* Index is special info type that has to override all others to make
* any sense.
*/
if (Flags & SHOW_INDEX) {
char tmp[FILENAME_MAX];
snprintf(tmp, FILENAME_MAX, "%-19s ", pkg);
show_index(tmp, COMMENT_FNAME);
}
else {
/* Start showing the package contents */
if (!Quiet)
printf("%sInformation for %s:\n\n", InfoPrefix, pkg);
if (Flags & SHOW_COMMENT)
show_file("Comment:\n", COMMENT_FNAME);
if ((Flags & SHOW_REQBY) && !isemptyfile(REQUIRED_BY_FNAME))
show_file("Required by:\n", REQUIRED_BY_FNAME);
if (Flags & SHOW_DESC)
show_file("Description:\n", DESC_FNAME);
if ((Flags & SHOW_DISPLAY) && fexists(DISPLAY_FNAME))
show_file("Install notice:\n", DISPLAY_FNAME);
if (Flags & SHOW_PLIST)
show_plist("Packing list:\n", &plist, (plist_t)-1);
if ((Flags & SHOW_INSTALL) && fexists(INSTALL_FNAME))
show_file("Install script:\n", INSTALL_FNAME);
if ((Flags & SHOW_DEINSTALL) && fexists(DEINSTALL_FNAME))
show_file("De-Install script:\n", DEINSTALL_FNAME);
if ((Flags & SHOW_MTREE) && fexists(MTREE_FNAME))
show_file("mtree file:\n", MTREE_FNAME);
if (Flags & SHOW_PREFIX)
show_plist("Prefix(s):\n", &plist, PLIST_CWD);
if (Flags & SHOW_FILES)
show_files("Files:\n", &plist);
if (!Quiet)
puts(InfoPrefix);
}
free_plist(&plist);
bail:
leave_playpen(Home);
if (isTMP)
unlink(fname);
return code;
}
void
cleanup(int sig)
{
leave_playpen(Home);
}