d14afa6dd2
dynamically allocate that much space, also using snprintf() and strncat() to do proper bounds checking.
250 lines
7.0 KiB
C
250 lines
7.0 KiB
C
#ifndef lint
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static const char *rcsid = "$Id: perform.c,v 1.22 1995/04/24 21:50:11 jkh Exp $";
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#endif
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/*
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* FreeBSD install - a package for the installation and maintainance
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* of non-core utilities.
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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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* 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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* Jordan K. Hubbard
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* 18 July 1993
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*
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* This is the main body of the create module.
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*
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*/
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#include "lib.h"
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#include "create.h"
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#include <signal.h>
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#include <sys/syslimits.h>
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static void sanity_check(void);
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static void make_dist(char *, char *, char *, Package *);
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int
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pkg_perform(char **pkgs)
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{
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char *pkg = *pkgs; /* Only one arg to create */
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char *home, *cp;
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FILE *pkg_in, *fp;
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Package plist;
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char *suffix; /* What we tack on to the end of the finished package */
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/* Preliminary setup */
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sanity_check();
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if (Verbose && !PlistOnly)
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printf("Creating package %s\n", pkg);
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get_dash_string(&Comment);
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get_dash_string(&Desc);
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if (!strcmp(Contents, "-"))
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pkg_in = stdin;
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else {
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pkg_in = fopen(Contents, "r");
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if (!pkg_in)
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barf("Unable to open contents file '%s' for input.", Contents);
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}
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plist.head = plist.tail = NULL;
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/* Break the package name into base and desired suffix (if any) */
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if ((cp = rindex(pkg, '.')) != NULL) {
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suffix = cp + 1;
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*cp = '\0';
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}
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else
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suffix = "tgz";
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/* Stick the dependencies, if any, at the top */
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if (Pkgdeps) {
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if (Verbose && !PlistOnly)
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printf("Registering depends:");
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while (Pkgdeps) {
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cp = strsep(&Pkgdeps, " \t\n");
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if (*cp) {
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add_plist(&plist, PLIST_PKGDEP, cp);
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if (Verbose && !PlistOnly)
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printf(" %s", cp);
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}
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}
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if (Verbose && !PlistOnly)
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printf(".\n");
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}
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/* Slurp in the packing list */
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read_plist(&plist, pkg_in);
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/* Prefix should override the packing list */
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if (Prefix) {
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delete_plist(&plist, FALSE, PLIST_CWD, NULL);
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add_plist_top(&plist, PLIST_CWD, Prefix);
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}
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/*
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* Run down the list and see if we've named it, if not stick in a name
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* at the top.
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*/
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if (find_plist(&plist, PLIST_NAME) == NULL)
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add_plist_top(&plist, PLIST_NAME, basename_of(pkg));
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/*
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* We're just here for to dump out a revised plist for the FreeBSD ports
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* hack. It's not a real create in progress.
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*/
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if (PlistOnly) {
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write_plist(&plist, stdout);
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exit(0);
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}
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/* Make a directory to stomp around in */
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home = make_playpen(PlayPen, 0);
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signal(SIGINT, cleanup);
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signal(SIGHUP, cleanup);
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/* Make first "real contents" pass over it */
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check_list(home, &plist);
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(void) umask(022); /* make sure gen'ed directories, files don't have
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group or other write bits. */
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/* copy_plist(home, &plist); */
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/* mark_plist(&plist); */
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/* Now put the release specific items in */
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add_plist(&plist, PLIST_CWD, ".");
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write_file(COMMENT_FNAME, Comment);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, COMMENT_FNAME);
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write_file(DESC_FNAME, Desc);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, DESC_FNAME);
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if (Install) {
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copy_file(home, Install, INSTALL_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, INSTALL_FNAME);
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}
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if (DeInstall) {
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copy_file(home, DeInstall, DEINSTALL_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, DEINSTALL_FNAME);
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}
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if (Require) {
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copy_file(home, Require, REQUIRE_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, REQUIRE_FNAME);
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}
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if (Display) {
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copy_file(home, Display, DISPLAY_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, DISPLAY_FNAME);
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add_plist(&plist, PLIST_DISPLAY, DISPLAY_FNAME);
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}
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if (Mtree) {
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copy_file(home, Mtree, MTREE_FNAME);
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add_plist(&plist, PLIST_IGNORE, NULL);
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add_plist(&plist, PLIST_FILE, MTREE_FNAME);
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add_plist(&plist, PLIST_MTREE, MTREE_FNAME);
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}
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/* Run through the list again, picking up extra "local" items */
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/* check_list(".", &plist); */
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/* copy_plist(".", &plist); */
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/* mark_plist(&plist); */
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/* Finally, write out the packing list */
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fp = fopen(CONTENTS_FNAME, "w");
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if (!fp)
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barf("Can't open file %s for writing.", CONTENTS_FNAME);
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write_plist(&plist, fp);
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if (fclose(fp))
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barf("Error while closing %s.", CONTENTS_FNAME);
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/* And stick it into a tar ball */
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make_dist(home, pkg, suffix, &plist);
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/* Cleanup */
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free(Comment);
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free(Desc);
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free_plist(&plist);
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cleanup(0);
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return TRUE; /* Success */
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}
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static void
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make_dist(char *home, char *pkg, char *suffix, Package *plist)
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{
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char tball[FILENAME_MAX];
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char *cmd;
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int ret, max;
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PackingList p;
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max = sysconf(_SC_ARG_MAX);
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cmd = alloca(max);
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if (!cmd)
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barf("Couldn't allocate temporary storage for dist name!");
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strcpy(cmd, "tar ");
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if (*pkg == '/')
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snprintf(tball, max, "%s.%s", pkg, suffix);
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else
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snprintf(tball, max, "%s/%s.%s", home, pkg, suffix);
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if (index(suffix, 'z')) /* Compress/gzip? */
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stnrcat(cmd, "-z", max - strlen(cmd));
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if (Dereference)
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strncat(cmd, "h", max - strlen(cmd));
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if (Verbose)
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printf("Creating gzip'd tar ball in '%s'\n", tball);
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strncat(cmd, "cf ", max - strlen(cmd));
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strncat(cmd, tball, max - strlen(cmd));
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if (ExcludeFrom)
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snprintf(&cmd[strlen(cmd)], max, " -X %s", ExcludeFrom);
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snprintf(&cmd[strlen(cmd)], max, " %s %s %s", CONTENTS_FNAME,
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COMMENT_FNAME, DESC_FNAME);
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if (Install)
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snprintf(&cmd[strlen(cmd)], max, " %s", INSTALL_FNAME);
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if (DeInstall)
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snprintf(&cmd[strlen(cmd)], max, " %s", DEINSTALL_FNAME);
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if (Require)
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snprintf(&cmd[strlen(cmd)], max, " %s", REQUIRE_FNAME);
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if (Display)
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snprintf(&cmd[strlen(cmd)], max, " %s", DISPLAY_FNAME);
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if (Mtree)
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snprintf(&cmd[strlen(cmd)], max, " %s", MTREE_FNAME);
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for (p = plist->head; p; p = p->next) {
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if (p->type == PLIST_FILE)
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snprintf(&cmd[strlen(cmd)], max, " %s", p->name);
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else if (p->type == PLIST_CWD)
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snprintf(&cmd[strlen(cmd)], max, " -C %s", p->name);
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else if (p->type == PLIST_SRC)
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snprintf(&cmd[strlen(cmd)], max, " -C %s", p->name);
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else if (p->type == PLIST_IGNORE)
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p = p->next;
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}
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ret = vsystem(cmd);
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if (ret)
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barf("tar command `%s' failed with code %d", cmd, ret);
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}
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static void
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sanity_check()
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{
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if (!Comment)
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barf("Required package comment string is missing (-c comment).");
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if (!Desc)
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barf("Required package description string is missing (-d desc).");
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if (!Contents)
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barf("Required package contents list is missing (-f [-]file).");
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}
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/* Clean up those things that would otherwise hang around */
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void
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cleanup(int sig)
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{
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leave_playpen();
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}
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