/*- * Copyright (c) 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint static char copyright[] = "@(#) Copyright (c) 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint static char sccsid[] = "@(#)nvi.recover.c 8.1 (Berkeley) 6/6/93"; #endif /* not lint */ #include <sys/param.h> #include <sys/stat.h> #include <dirent.h> #include <err.h> #include <pwd.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include "pathnames.h" void usage __P((void)); void mail __P((char *, uid_t, time_t, char *)); int main(argc, argv) int argc; char *argv[]; { extern int optind; extern char *optarg; struct dirent *dp; struct stat sb; DIR *dirp; int ch; char host[MAXHOSTNAMELEN], *p; p = _PATH_PRESERVE; while ((ch = getopt(argc, argv, "d:")) != EOF) switch(ch) { case 'd': p = optarg; break; case '?': default: usage(); } argc -= optind; argv += optind; if (argc != 0) usage(); if (chdir(p) || (dirp = opendir(".")) == NULL) err(1, "%s", p); (void)gethostname(host, sizeof(host)); while ((dp = readdir(dirp)) != NULL) { if (dp->d_namlen <= 3 || strncmp(dp->d_name, "vi.", 3)) continue; if ((p = strrchr(dp->d_name + 3, '.')) == NULL) continue; if (stat(dp->d_name, &sb)) { warn("%s", dp->d_name); continue; } *p = '\0'; mail(host, sb.st_uid, sb.st_mtime, dp->d_name + 3); } (void)closedir(dirp); return (0); } void mail(host, id, when, fname) char *host; uid_t id; time_t when; char *fname; { struct passwd *pw; FILE *pf; char *to, *user, buf[MAXPATHLEN + 100], ubuf[50]; if ((pw = getpwuid(id)) == NULL) { to = "root"; (void)snprintf(ubuf, sizeof(ubuf), "%u", id); user = ubuf; } else user = to = pw->pw_name; (void)snprintf(buf, sizeof(buf), "%s -i -t -F \"Nvi recovery program\" -f root", _PATH_SENDMAIL); if ((pf = popen(buf, "w")) == NULL) err(1, "%s", _PATH_SENDMAIL); (void)fprintf(pf, "%s\n%s\n%s%s\n%s%s\n%s\n\n", "Reply-To: root", "From: root (Nvi recovery program)", "To: ", user, "Subject: Nvi saved the file ", fname, "Precedence: bulk"); /* For vacation(1). */ (void)fprintf(pf, "%s%.24s%s%s\n%s%s%s\n", "On ", ctime(&when), ", the user ", user, "was editing a file named ", fname, " on the machine "); (void)fprintf(pf, "%s%s\n", host, ", when it was saved for\nrecovery."); (void)fprintf(pf, "\n%s\n%s\n%s\n\n%s\n", "You can recover most, if not all, of the changes", "to this file using the -l and -r options to nvi(1)", "or nex(1).", "-- The nvi recovery program (nvi.recover(8))"); (void)pclose(pf); } void usage() { (void)fprintf(stderr, "usage: vi.recover [-d directory]\n"); exit(1); }