/*- * Copyright (c) 1989, 1993, 1994 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ken Smith of The State University of New York at Buffalo. * * 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. * 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. */ #if 0 #ifndef lint static char const copyright[] = "@(#) Copyright (c) 1989, 1993, 1994\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint static char sccsid[] = "@(#)mv.c 8.2 (Berkeley) 4/2/94"; #endif /* not lint */ #endif #if 0 #include __FBSDID("$FreeBSD: src/bin/mv/mv.c,v 1.46 2005/09/05 04:36:08 csjp Exp $"); #endif /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #define FAKES_NO_GETOPT_H /* bird */ #include "config.h" #include #ifndef _MSC_VER # ifdef CROSS_DEVICE_MOVE # include # endif # include # include # include # if !defined(__HAIKU__) && !defined(__gnu_hurd__) # include # endif #endif #include #include "err.h" #include #include #include #include #include #include #include #include #include #ifndef __HAIKU__ # include #endif #include #include "getopt_r.h" #ifdef __sun__ # include "solfakes.h" #endif #ifdef __HAIKU__ # include "haikufakes.h" #endif #ifdef _MSC_VER # include "mscfakes.h" #endif #include "kmkbuiltin.h" /********************************************************************************************************************************* * Structures and Typedefs * *********************************************************************************************************************************/ typedef struct MVINSTANCE { PKMKBUILTINCTX pCtx; int fflg, iflg, nflg, vflg; } MVINSTANCE; typedef MVINSTANCE *PMVINSTANCE; /********************************************************************************************************************************* * Global Variables * *********************************************************************************************************************************/ static struct option long_options[] = { { "help", no_argument, 0, 261 }, { "version", no_argument, 0, 262 }, { 0, 0, 0, 0 }, }; /********************************************************************************************************************************* * Internal Functions * *********************************************************************************************************************************/ extern void bsd_strmode(mode_t mode, char *p); /* strmode.c */ static int do_move(PMVINSTANCE, char *, char *); #if 0 // def CROSS_DEVICE_MOVE static int fastcopy(char *, char *, struct stat *); static int copy(char *, char *); #endif static int usage(PKMKBUILTINCTX, int); int kmk_builtin_mv(int argc, char **argv, char **envp, PKMKBUILTINCTX pCtx) { MVINSTANCE This; struct getopt_state_r gos; size_t baselen, len; int rval; char *p, *endp; struct stat sb; int ch; char path[PATH_MAX]; /* Initialize instance. */ This.pCtx = pCtx; This.fflg = 0; This.iflg = 0; This.nflg = 0; This.vflg = 0; getopt_initialize_r(&gos, argc, argv, "finv", long_options, envp, pCtx); while ((ch = getopt_long_r(&gos, NULL)) != -1) switch (ch) { case 'i': This.iflg = 1; This.fflg = This.nflg = 0; break; case 'f': This.fflg = 1; This.iflg = This.nflg = 0; break; case 'n': This.nflg = 1; This.fflg = This.iflg = 0; break; case 'v': This.vflg = 1; break; case 261: usage(pCtx, 0); return 0; case 262: return kbuild_version(argv[0]); default: return usage(pCtx, 1); } argc -= gos.optind; argv += gos.optind; if (argc < 2) return usage(pCtx, 1); /* * If the stat on the target fails or the target isn't a directory, * try the move. More than 2 arguments is an error in this case. */ if (stat(argv[argc - 1], &sb) || !S_ISDIR(sb.st_mode)) { if (argc > 2) return usage(pCtx, 1); return do_move(&This, argv[0], argv[1]); } /* It's a directory, move each file into it. */ baselen = strlen(argv[argc - 1]); if (baselen > sizeof(path) - 1) return errx(pCtx, 1, "%s: destination pathname too long", *argv); memcpy(path, argv[argc - 1], baselen); endp = &path[baselen]; *endp = '\0'; #if defined(_MSC_VER) || defined(__EMX__) if (!baselen || (*(endp - 1) != '/' && *(endp - 1) != '\\' && *(endp - 1) != ':')) { #else if (!baselen || *(endp - 1) != '/') { #endif *endp++ = '/'; ++baselen; } for (rval = 0; --argc; ++argv) { /* * Find the last component of the source pathname. It * may have trailing slashes. */ p = *argv + strlen(*argv); #if defined(_MSC_VER) || defined(__EMX__) while (p != *argv && (p[-1] == '/' || p[-1] == '\\')) --p; while (p != *argv && p[-1] != '/' && p[-1] != '/' && p[-1] != ':') --p; #else while (p != *argv && p[-1] == '/') --p; while (p != *argv && p[-1] != '/') --p; #endif if ((baselen + (len = strlen(p))) >= PATH_MAX) { warnx(pCtx, "%s: destination pathname too long", *argv); rval = 1; } else { memmove(endp, p, (size_t)len + 1); if (do_move(&This, *argv, path)) rval = 1; } } return rval; } #ifdef KMK_BUILTIN_STANDALONE int main(int argc, char **argv, char **envp) { KMKBUILTINCTX Ctx = { "kmk_mv", NULL }; return kmk_builtin_mv(argc, argv, envp, &Ctx); } #endif static int do_move(PMVINSTANCE pThis, char *from, char *to) { struct stat sb; int ask, ch, first; char modep[15]; /* * Check access. If interactive and file exists, ask user if it * should be replaced. Otherwise if file exists but isn't writable * make sure the user wants to clobber it. */ if (!pThis->fflg && !access(to, F_OK)) { /* prompt only if source exist */ if (lstat(from, &sb) == -1) { warn(pThis->pCtx, "%s", from); return (1); } #define YESNO "(y/n [n]) " ask = 0; if (pThis->nflg) { if (pThis->vflg) kmk_builtin_ctx_printf(pThis->pCtx, 0, "%s not overwritten\n", to); return (0); } else if (pThis->iflg) { (void)fprintf(stderr, "overwrite %s? %s", to, YESNO); ask = 1; } else if (access(to, W_OK) && !stat(to, &sb)) { bsd_strmode(sb.st_mode, modep); #if 0 /* probably not thread safe, also BSDism. */ (void)fprintf(stderr, "override %s%s%s/%s for %s? %s", modep + 1, modep[9] == ' ' ? "" : " ", user_from_uid((unsigned long)sb.st_uid, 0), group_from_gid((unsigned long)sb.st_gid, 0), to, YESNO); #else (void)fprintf(stderr, "override %s%s%lu/%lu for %s? %s", modep + 1, modep[9] == ' ' ? "" : " ", (unsigned long)sb.st_uid, (unsigned long)sb.st_gid, to, YESNO); #endif ask = 1; } if (ask) { fflush(stderr); first = ch = getchar(); while (ch != '\n' && ch != EOF) ch = getchar(); if (first != 'y' && first != 'Y') { kmk_builtin_ctx_printf(pThis->pCtx, 1, "not overwritten\n"); return (0); } } } if (!rename(from, to)) { if (pThis->vflg) kmk_builtin_ctx_printf(pThis->pCtx, 0, "%s -> %s\n", from, to); return (0); } #ifdef _MSC_VER if (errno == EEXIST) { remove(to); if (!rename(from, to)) { if (pThis->vflg) kmk_builtin_ctx_printf(pThis->pCtx, 0, "%s -> %s\n", from, to); return (0); } } #endif if (errno == EXDEV) { #if 1 //ndef CROSS_DEVICE_MOVE warnx(pThis->pCtx, "cannot move `%s' to a different device: `%s'", from, to); return (1); #else struct statfs sfs; char path[PATH_MAX]; /* * If the source is a symbolic link and is on another * filesystem, it can be recreated at the destination. */ if (lstat(from, &sb) == -1) { warn(pThis->pCtx, "%s", from); return (1); } if (!S_ISLNK(sb.st_mode)) { /* Can't mv(1) a mount point. */ if (realpath(from, path) == NULL) { warnx(pThis->pCtx, "cannot resolve %s: %s", from, path); return (1); } if (!statfs(path, &sfs) && !strcmp(path, sfs.f_mntonname)) { warnx(pThis->pCtx, "cannot rename a mount point"); return (1); } } #endif } else { warn(pThis->pCtx, "rename %s to %s", from, to); return (1); } #if 0//def CROSS_DEVICE_MOVE /* * If rename fails because we're trying to cross devices, and * it's a regular file, do the copy internally; otherwise, use * cp and rm. */ if (lstat(from, &sb)) { warn(pThis->pCtx, "%s", from); return (1); } return (S_ISREG(sb.st_mode) ? fastcopy(pThis, from, to, &sb) : copy(pThis, from, to)); #endif } #if 0 //def CROSS_DEVICE_MOVE - using static buffers and fork. int static fastcopy(char *from, char *to, struct stat *sbp) { struct timeval tval[2]; static u_int blen; static char *bp; mode_t oldmode; int nread, from_fd, to_fd; acl_t acl; if ((from_fd = open(from, O_RDONLY | KMK_OPEN_NO_INHERIT, 0)) < 0) { warn("%s", from); return (1); } if (blen < sbp->st_blksize) { if (bp != NULL) free(bp); if ((bp = malloc((size_t)sbp->st_blksize)) == NULL) { blen = 0; warnx("malloc failed"); return (1); } blen = sbp->st_blksize; } while ((to_fd = open(to, O_CREAT | O_EXCL | O_TRUNC | O_WRONLY | KMK_OPEN_NO_INHERIT, 0)) < 0) { if (errno == EEXIST && unlink(to) == 0) continue; warn("%s", to); (void)close(from_fd); return (1); } while ((nread = read(from_fd, bp, (size_t)blen)) > 0) if (write(to_fd, bp, (size_t)nread) != nread) { warn("%s", to); goto err; } if (nread < 0) { warn("%s", from); err: if (unlink(to)) warn("%s: remove", to); (void)close(from_fd); (void)close(to_fd); return (1); } oldmode = sbp->st_mode & ALLPERMS; if (fchown(to_fd, sbp->st_uid, sbp->st_gid)) { warn("%s: set owner/group (was: %lu/%lu)", to, (u_long)sbp->st_uid, (u_long)sbp->st_gid); if (oldmode & (S_ISUID | S_ISGID)) { warnx( "%s: owner/group changed; clearing suid/sgid (mode was 0%03o)", to, oldmode); sbp->st_mode &= ~(S_ISUID | S_ISGID); } } /* * POSIX 1003.2c states that if _POSIX_ACL_EXTENDED is in effect * for dest_file, then it's ACLs shall reflect the ACLs of the * source_file. */ if (fpathconf(to_fd, _PC_ACL_EXTENDED) == 1 && fpathconf(from_fd, _PC_ACL_EXTENDED) == 1) { acl = acl_get_fd(from_fd); if (acl == NULL) warn("failed to get acl entries while setting %s", from); else if (acl_set_fd(to_fd, acl) < 0) warn("failed to set acl entries for %s", to); } (void)close(from_fd); if (fchmod(to_fd, sbp->st_mode)) warn("%s: set mode (was: 0%03o)", to, oldmode); /* * XXX * NFS doesn't support chflags; ignore errors unless there's reason * to believe we're losing bits. (Note, this still won't be right * if the server supports flags and we were trying to *remove* flags * on a file that we copied, i.e., that we didn't create.) */ errno = 0; if (fchflags(to_fd, (u_long)sbp->st_flags)) if (errno != EOPNOTSUPP || sbp->st_flags != 0) warn("%s: set flags (was: 0%07o)", to, sbp->st_flags); tval[0].tv_sec = sbp->st_atime; tval[1].tv_sec = sbp->st_mtime; tval[0].tv_usec = tval[1].tv_usec = 0; if (utimes(to, tval)) warn("%s: set times", to); if (close(to_fd)) { warn("%s", to); return (1); } if (unlink(from)) { warn("%s: remove", from); return (1); } if (vflg) kmk_builtin_ctx_printf(pThis->pCtx, 0, "%s -> %s\n", from, to); return (0); } int copy(char *from, char *to) { int pid, status; if ((pid = fork()) == 0) { execl(_PATH_CP, "mv", vflg ? "-PRpv" : "-PRp", "--", from, to, (char *)NULL); warn("%s", _PATH_CP); _exit(1); } if (waitpid(pid, &status, 0) == -1) { warn("%s: waitpid", _PATH_CP); return (1); } if (!WIFEXITED(status)) { warnx("%s: did not terminate normally", _PATH_CP); return (1); } if (WEXITSTATUS(status)) { warnx("%s: terminated with %d (non-zero) status", _PATH_CP, WEXITSTATUS(status)); return (1); } if (!(pid = vfork())) { execl(_PATH_RM, "mv", "-rf", "--", from, (char *)NULL); warn("%s", _PATH_RM); _exit(1); } if (waitpid(pid, &status, 0) == -1) { warn("%s: waitpid", _PATH_RM); return (1); } if (!WIFEXITED(status)) { warnx("%s: did not terminate normally", _PATH_RM); return (1); } if (WEXITSTATUS(status)) { warnx("%s: terminated with %d (non-zero) status", _PATH_RM, WEXITSTATUS(status)); return (1); } return (0); } #endif /* CROSS_DEVICE_MOVE */ static int usage(PKMKBUILTINCTX pCtx, int fIsErr) { kmk_builtin_ctx_printf(pCtx, fIsErr, "usage: %s [-f | -i | -n] [-v] source target\n" " or: %s [-f | -i | -n] [-v] source ... directory\n" " or: %s --help\n" " or: %s --version\n", pCtx->pszProgName, pCtx->pszProgName, pCtx->pszProgName, pCtx->pszProgName); return EX_USAGE; }