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src/usr.bin/cvs/file.c

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/* $OpenBSD: file.c,v 1.276 2023/08/11 04:48:14 guenther Exp $ */
/*
* Copyright (c) 2006 Joris Vink <joris@openbsd.org>
* Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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.
*/
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <fnmatch.h>
#include <libgen.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "atomicio.h"
#include "cvs.h"
#include "remote.h"
#define CVS_IGN_STATIC 0x01 /* pattern is static, no need to glob */
#define CVS_CHAR_ISMETA(c) ((c == '*') || (c == '?') || (c == '['))
extern int print_stdout;
extern int build_dirs;
/*
* Standard patterns to ignore.
*/
static const char *cvs_ign_std[] = {
".",
"..",
"*.o",
"*.a",
"*.bak",
"*.orig",
"*.rej",
"*.old",
"*.exe",
"*.depend",
"*.obj",
"*.elc",
"*.ln",
"*.olb",
"CVS",
"core",
"cvslog*",
"*.core",
".#*",
"*~",
"_$*",
"*$",
};
char *cvs_directory_tag = NULL;
struct ignore_head cvs_ign_pats;
struct ignore_head dir_ign_pats;
struct ignore_head checkout_ign_pats;
RB_GENERATE(cvs_flisthead, cvs_filelist, flist, cvs_filelist_cmp);
void
cvs_file_init(void)
{
int i;
FILE *ifp;
char path[PATH_MAX], buf[MAXNAMLEN];
TAILQ_INIT(&cvs_ign_pats);
TAILQ_INIT(&dir_ign_pats);
TAILQ_INIT(&checkout_ign_pats);
/* standard patterns to ignore */
for (i = 0; i < (int)(sizeof(cvs_ign_std)/sizeof(char *)); i++)
cvs_file_ignore(cvs_ign_std[i], &cvs_ign_pats);
if (cvs_homedir == NULL)
return;
/* read the cvsignore file in the user's home directory, if any */
(void)xsnprintf(path, PATH_MAX, "%s/.cvsignore", cvs_homedir);
ifp = fopen(path, "r");
if (ifp == NULL) {
if (errno != ENOENT)
cvs_log(LP_ERRNO,
"failed to open user's cvsignore file `%s'", path);
} else {
while (fgets(buf, MAXNAMLEN, ifp) != NULL) {
buf[strcspn(buf, "\n")] = '\0';
if (buf[0] == '\0')
continue;
cvs_file_ignore(buf, &cvs_ign_pats);
}
(void)fclose(ifp);
}
}
void
cvs_file_ignore(const char *pat, struct ignore_head *list)
{
char *cp;
size_t len;
struct cvs_ignpat *ip;
ip = xmalloc(sizeof(*ip));
len = strlcpy(ip->ip_pat, pat, sizeof(ip->ip_pat));
if (len >= sizeof(ip->ip_pat))
fatal("cvs_file_ignore: truncation of pattern '%s'", pat);
/* check if we will need globbing for that pattern */
ip->ip_flags = CVS_IGN_STATIC;
for (cp = ip->ip_pat; *cp != '\0'; cp++) {
if (CVS_CHAR_ISMETA(*cp)) {
ip->ip_flags &= ~CVS_IGN_STATIC;
break;
}
}
TAILQ_INSERT_TAIL(list, ip, ip_list);
}
int
cvs_file_chkign(const char *file)
{
int flags;
struct cvs_ignpat *ip;
flags = FNM_PERIOD;
if (cvs_nocase)
flags |= FNM_CASEFOLD;
TAILQ_FOREACH(ip, &cvs_ign_pats, ip_list) {
if (ip->ip_flags & CVS_IGN_STATIC) {
if (cvs_file_cmpname(file, ip->ip_pat) == 0)
return (1);
} else if (fnmatch(ip->ip_pat, file, flags) == 0)
return (1);
}
TAILQ_FOREACH(ip, &dir_ign_pats, ip_list) {
if (ip->ip_flags & CVS_IGN_STATIC) {
if (cvs_file_cmpname(file, ip->ip_pat) == 0)
return (1);
} else if (fnmatch(ip->ip_pat, file, flags) == 0)
return (1);
}
TAILQ_FOREACH(ip, &checkout_ign_pats, ip_list) {
if (ip->ip_flags & CVS_IGN_STATIC) {
if (cvs_file_cmpname(file, ip->ip_pat) == 0)
return (1);
} else if (fnmatch(ip->ip_pat, file, flags) == 0)
return (1);
}
return (0);
}
void
cvs_file_run(int argc, char **argv, struct cvs_recursion *cr)
{
int i;
struct cvs_flisthead fl;
RB_INIT(&fl);
for (i = 0; i < argc; i++) {
STRIP_SLASH(argv[i]);
cvs_file_get(argv[i], FILE_USER_SUPPLIED, &fl, 0);
}
cvs_file_walklist(&fl, cr);
cvs_file_freelist(&fl);
}
struct cvs_filelist *
cvs_file_get(char *name, int flags, struct cvs_flisthead *fl, int type)
{
char *p;
struct cvs_filelist *l, find;
for (p = name; p[0] == '.' && p[1] == '/';)
p += 2;
find.file_path = p;
l = RB_FIND(cvs_flisthead, fl, &find);
if (l != NULL)
return (l);
l = xmalloc(sizeof(*l));
l->file_path = xstrdup(p);
l->flags = flags;
l->type = type;
RB_INSERT(cvs_flisthead, fl, l);
return (l);
}
struct cvs_file *
cvs_file_get_cf(const char *d, const char *f, const char *fpath, int fd,
int type, int flags)
{
const char *p;
struct cvs_file *cf;
for (p = fpath; p[0] == '.' && p[1] == '/';)
p += 2;
cf = xcalloc(1, sizeof(*cf));
cf->file_name = xstrdup(f);
cf->file_wd = xstrdup(d);
cf->file_path = xstrdup(p);
cf->fd = fd;
cf->repo_fd = -1;
cf->file_type = type;
cf->file_status = 0;
cf->file_flags = flags;
cf->in_attic = 0;
cf->file_ent = NULL;
if (cf->fd != -1)
cf->file_flags |= FILE_ON_DISK;
if (cvsroot_is_remote() || cvs_server_active == 1)
cvs_validate_directory(cf->file_path);
return (cf);
}
void
cvs_file_walklist(struct cvs_flisthead *fl, struct cvs_recursion *cr)
{
int fd, type;
struct stat st;
struct cvs_file *cf;
struct cvs_filelist *l, *nxt;
char *d, dbuf[PATH_MAX], *f, fbuf[PATH_MAX];
char repo[PATH_MAX], fpath[PATH_MAX];
for (l = RB_MIN(cvs_flisthead, fl); l != NULL; l = nxt) {
if (cvs_quit)
fatal("received signal %d", sig_received);
cvs_log(LP_TRACE, "cvs_file_walklist: element '%s'",
l->file_path);
if (strlcpy(fbuf, l->file_path, sizeof(fbuf)) >= sizeof(fbuf))
fatal("cvs_file_walklist: truncation");
if ((f = basename(fbuf)) == NULL)
fatal("cvs_file_walklist: basename failed");
if (strlcpy(dbuf, l->file_path, sizeof(dbuf)) >= sizeof(dbuf))
fatal("cvs_file_walklist: truncation");
if ((d = dirname(dbuf)) == NULL)
fatal("cvs_file_walklist: dirname failed");
type = l->type;
if ((fd = open(l->file_path, O_RDONLY)) != -1) {
if (type == 0) {
if (fstat(fd, &st) == -1) {
cvs_log(LP_ERRNO, "%s", l->file_path);
(void)close(fd);
goto next;
}
if (S_ISDIR(st.st_mode))
type = CVS_DIR;
else if (S_ISREG(st.st_mode))
type = CVS_FILE;
else {
cvs_log(LP_ERR,
"ignoring bad file type for %s",
l->file_path);
(void)close(fd);
goto next;
}
}
} else if (cvsroot_is_local()) {
/*
* During checkout -p, do not use any locally
* available directories.
*/
if ((cmdp->cmd_flags & CVS_USE_WDIR) &&
(cvs_cmdop != CVS_OP_CHECKOUT || !print_stdout))
if (stat(d, &st) == -1) {
cvs_log(LP_ERRNO, "%s", d);
goto next;
}
cvs_get_repository_path(d, repo, PATH_MAX);
(void)xsnprintf(fpath, PATH_MAX, "%s/%s",
repo, f);
if ((fd = open(fpath, O_RDONLY)) == -1) {
strlcat(fpath, RCS_FILE_EXT, PATH_MAX);
fd = open(fpath, O_RDONLY);
}
if (fd != -1 && type == 0) {
if (fstat(fd, &st) == -1)
fatal("cvs_file_walklist: %s: %s",
fpath, strerror(errno));
if (S_ISDIR(st.st_mode))
type = CVS_DIR;
else if (S_ISREG(st.st_mode))
type = CVS_FILE;
else {
cvs_log(LP_ERR,
"ignoring bad file type for %s",
l->file_path);
(void)close(fd);
goto next;
}
/* this file is not in our working copy yet */
(void)close(fd);
fd = -1;
} else if (fd != -1) {
close(fd);
fd = -1;
}
}
cf = cvs_file_get_cf(d, f, l->file_path, fd, type, l->flags);
if (cf->file_type == CVS_DIR) {
cvs_file_walkdir(cf, cr);
} else {
if (l->flags & FILE_USER_SUPPLIED) {
cvs_parse_tagfile(cf->file_wd,
&cvs_directory_tag, NULL, NULL);
if (cvs_directory_tag == NULL &&
cvs_specified_tag != NULL)
cvs_directory_tag =
xstrdup(cvs_specified_tag);
if (cvsroot_is_local()) {
cvs_get_repository_path(cf->file_wd,
repo, PATH_MAX);
cvs_repository_lock(repo,
(cmdp->cmd_flags & CVS_LOCK_REPO));
}
}
if (cr->fileproc != NULL)
cr->fileproc(cf);
if (l->flags & FILE_USER_SUPPLIED) {
if (cvsroot_is_local() &&
(cmdp->cmd_flags & CVS_LOCK_REPO)) {
cvs_repository_unlock(repo);
}
free(cvs_directory_tag);
cvs_directory_tag = NULL;
}
}
cvs_file_free(cf);
next:
nxt = RB_NEXT(cvs_flisthead, fl, l);
}
}
void
cvs_file_walkdir(struct cvs_file *cf, struct cvs_recursion *cr)
{
int l, type;
FILE *fp;
int nbytes;
size_t bufsize;
struct stat st;
struct dirent *dp;
struct cvs_ent *ent;
struct cvs_ignpat *ip;
struct cvs_ent_line *line;
struct cvs_flisthead fl, dl;
CVSENTRIES *entlist;
char *buf, *ebuf, *cp, repo[PATH_MAX], fpath[PATH_MAX];
cvs_log(LP_TRACE, "cvs_file_walkdir(%s)", cf->file_path);
if (cr->enterdir != NULL)
cr->enterdir(cf);
if (cr->fileproc != NULL)
cr->fileproc(cf);
if (cf->file_status == FILE_SKIP)
return;
/*
* If this is a repository-only command, do not touch any
* locally available directories or try to create them.
*/
if (!(cmdp->cmd_flags & CVS_USE_WDIR)) {
RB_INIT(&fl);
RB_INIT(&dl);
goto walkrepo;
}
/*
* If we do not have an admin directory inside here, dont bother,
* unless we are running export or import.
*/
(void)xsnprintf(fpath, PATH_MAX, "%s/%s", cf->file_path,
CVS_PATH_CVSDIR);
l = stat(fpath, &st);
if (cvs_cmdop != CVS_OP_EXPORT && cvs_cmdop != CVS_OP_IMPORT &&
(l == -1 || (l == 0 && !S_ISDIR(st.st_mode)))) {
return;
}
cvs_parse_tagfile(cf->file_path, &cvs_directory_tag, NULL, NULL);
/*
* check for a local .cvsignore file
*/
(void)xsnprintf(fpath, PATH_MAX, "%s/.cvsignore", cf->file_path);
if ((fp = fopen(fpath, "r")) != NULL) {
while (fgets(fpath, PATH_MAX, fp) != NULL) {
fpath[strcspn(fpath, "\n")] = '\0';
if (fpath[0] == '\0')
continue;
cvs_file_ignore(fpath, &dir_ign_pats);
}
(void)fclose(fp);
}
if (fstat(cf->fd, &st) == -1)
fatal("cvs_file_walkdir: %s %s", cf->file_path,
strerror(errno));
if ((uintmax_t)st.st_size > SIZE_MAX)
fatal("cvs_file_walkdir: %s: file size too big", cf->file_name);
bufsize = (st.st_size > st.st_blksize) ? st.st_size : st.st_blksize;
buf = xmalloc(bufsize);
RB_INIT(&fl);
RB_INIT(&dl);
while ((nbytes = getdents(cf->fd, buf, bufsize)) > 0) {
ebuf = buf + nbytes;
cp = buf;
while (cp < ebuf) {
dp = (struct dirent *)cp;
if (!strcmp(dp->d_name, ".") ||
!strcmp(dp->d_name, "..") ||
!strcmp(dp->d_name, CVS_PATH_CVSDIR) ||
dp->d_fileno == 0) {
cp += dp->d_reclen;
continue;
}
(void)xsnprintf(fpath, PATH_MAX, "%s/%s",
cf->file_path, dp->d_name);
if (cvs_file_chkign(dp->d_name) &&
cvs_cmdop != CVS_OP_RLOG &&
cvs_cmdop != CVS_OP_RTAG) {
if (cvs_cmdop == CVS_OP_IMPORT)
cvs_import_ignored(fpath);
cp += dp->d_reclen;
continue;
}
/*
* nfs and afs will show d_type as DT_UNKNOWN
* for files and/or directories so when we encounter
* this we call lstat() on the path to be sure.
*/
if (dp->d_type == DT_UNKNOWN) {
if (lstat(fpath, &st) == -1)
fatal("'%s': %s", fpath,
strerror(errno));
switch (st.st_mode & S_IFMT) {
case S_IFDIR:
type = CVS_DIR;
break;
case S_IFREG:
type = CVS_FILE;
break;
default:
type = FILE_SKIP;
break;
}
} else {
switch (dp->d_type) {
case DT_DIR:
type = CVS_DIR;
break;
case DT_REG:
type = CVS_FILE;
break;
default:
type = FILE_SKIP;
break;
}
}
if (type == FILE_SKIP) {
if (verbosity > 1) {
cvs_log(LP_NOTICE, "ignoring `%s'",
dp->d_name);
}
cp += dp->d_reclen;
continue;
}
switch (type) {
case CVS_DIR:
if (cr->flags & CR_RECURSE_DIRS)
cvs_file_get(fpath, 0, &dl, CVS_DIR);
break;
case CVS_FILE:
cvs_file_get(fpath, 0, &fl, CVS_FILE);
break;
default:
fatal("type %d unknown, shouldn't happen",
type);
}
cp += dp->d_reclen;
}
}
if (nbytes == -1)
fatal("cvs_file_walkdir: %s %s", cf->file_path,
strerror(errno));
free(buf);
while ((ip = TAILQ_FIRST(&dir_ign_pats)) != NULL) {
TAILQ_REMOVE(&dir_ign_pats, ip, ip_list);
free(ip);
}
entlist = cvs_ent_open(cf->file_path);
TAILQ_FOREACH(line, &(entlist->cef_ent), entries_list) {
ent = cvs_ent_parse(line->buf);
(void)xsnprintf(fpath, PATH_MAX, "%s/%s", cf->file_path,
ent->ce_name);
if (!(cr->flags & CR_RECURSE_DIRS) &&
ent->ce_type == CVS_ENT_DIR)
continue;
if (ent->ce_type == CVS_ENT_DIR)
cvs_file_get(fpath, 0, &dl, CVS_DIR);
else if (ent->ce_type == CVS_ENT_FILE)
cvs_file_get(fpath, 0, &fl, CVS_FILE);
cvs_ent_free(ent);
}
walkrepo:
if (cvsroot_is_local()) {
cvs_get_repository_path(cf->file_path, repo, PATH_MAX);
cvs_repository_lock(repo, (cmdp->cmd_flags & CVS_LOCK_REPO));
}
if (cr->flags & CR_REPO) {
xsnprintf(fpath, sizeof(fpath), "%s/%s", cf->file_path,
CVS_PATH_STATICENTRIES);
if (!(cmdp->cmd_flags & CVS_USE_WDIR) ||
stat(fpath, &st) == -1 || build_dirs == 1)
cvs_repository_getdir(repo, cf->file_path, &fl, &dl,
(cr->flags & CR_RECURSE_DIRS) ?
REPOSITORY_DODIRS : 0);
}
cvs_file_walklist(&fl, cr);
cvs_file_freelist(&fl);
if (cvsroot_is_local() && (cmdp->cmd_flags & CVS_LOCK_REPO))
cvs_repository_unlock(repo);
if (cvs_directory_tag != NULL && cmdp->cmd_flags & CVS_USE_WDIR) {
cvs_write_tagfile(cf->file_path, cvs_directory_tag, NULL);
free(cvs_directory_tag);
cvs_directory_tag = NULL;
}
cvs_file_walklist(&dl, cr);
cvs_file_freelist(&dl);
if (cr->leavedir != NULL)
cr->leavedir(cf);
}
void
cvs_file_freelist(struct cvs_flisthead *fl)
{
struct cvs_filelist *f, *nxt;
for (f = RB_MIN(cvs_flisthead, fl); f != NULL; f = nxt) {
nxt = RB_NEXT(cvs_flisthead, fl, f);
RB_REMOVE(cvs_flisthead, fl, f);
free(f->file_path);
free(f);
}
}
void
cvs_file_classify(struct cvs_file *cf, const char *tag)
{
size_t len;
struct stat st;
BUF *b1, *b2;
int server_has_file, notag;
int rflags, ismodified, rcsdead;
CVSENTRIES *entlist = NULL;
const char *state;
char repo[PATH_MAX], rcsfile[PATH_MAX];
cvs_log(LP_TRACE, "cvs_file_classify(%s, %s)", cf->file_path,
(tag != NULL) ? tag : "none");
if (!strcmp(cf->file_path, ".")) {
cf->file_status = FILE_UPTODATE;
return;
}
cvs_get_repository_path(cf->file_wd, repo, PATH_MAX);
(void)xsnprintf(rcsfile, PATH_MAX, "%s/%s",
repo, cf->file_name);
if (cf->file_type == CVS_FILE) {
len = strlcat(rcsfile, RCS_FILE_EXT, PATH_MAX);
if (len >= PATH_MAX)
fatal("cvs_file_classify: truncation");
}
cf->file_rpath = xstrdup(rcsfile);
if (cmdp->cmd_flags & CVS_USE_WDIR) {
entlist = cvs_ent_open(cf->file_wd);
cf->file_ent = cvs_ent_get(entlist, cf->file_name);
} else
cf->file_ent = NULL;
if (cf->file_ent != NULL) {
if (cvs_specified_tag == NULL)
tag = cf->file_ent->ce_tag;
if (cf->file_flags & FILE_ON_DISK &&
cf->file_ent->ce_type == CVS_ENT_FILE &&
cf->file_type == CVS_DIR && tag != NULL) {
cf->file_status = FILE_SKIP;
return;
}
if (cf->file_flags & FILE_ON_DISK &&
cf->file_ent->ce_type == CVS_ENT_DIR &&
cf->file_type == CVS_FILE && tag != NULL) {
cf->file_status = FILE_SKIP;
return;
}
if (cf->file_flags & FILE_INSIDE_ATTIC &&
cf->file_ent->ce_type == CVS_ENT_DIR &&
cf->file_type != CVS_DIR) {
cf->file_status = FILE_SKIP;
return;
}
if (cf->file_flags & FILE_ON_DISK &&
cf->file_ent->ce_type == CVS_ENT_DIR &&
cf->file_type != CVS_DIR)
fatal("%s is supposed to be a directory, but it is not",
cf->file_path);
if (cf->file_flags & FILE_ON_DISK &&
cf->file_ent->ce_type == CVS_ENT_FILE &&
cf->file_type != CVS_FILE)
fatal("%s is supposed to be a file, but it is not",
cf->file_path);
}
if (cf->file_type == CVS_DIR) {
if (!(cmdp->cmd_flags & CVS_USE_WDIR))
cf->file_status = FILE_UPTODATE;
else if (cf->fd == -1 && stat(rcsfile, &st) != -1)
cf->file_status = DIR_CREATE;
else if (cf->file_ent != NULL || cvs_cmdop == CVS_OP_RLOG ||
cvs_cmdop == CVS_OP_RTAG)
cf->file_status = FILE_UPTODATE;
else
cf->file_status = FILE_UNKNOWN;
return;
}
rflags = RCS_READ;
switch (cvs_cmdop) {
case CVS_OP_COMMIT:
case CVS_OP_TAG:
case CVS_OP_RTAG:
rflags = RCS_WRITE;
break;
case CVS_OP_ADMIN:
case CVS_OP_IMPORT:
case CVS_OP_LOG:
case CVS_OP_RLOG:
rflags |= RCS_PARSE_FULLY;
break;
default:
break;
}
cf->repo_fd = open(cf->file_rpath, O_RDONLY);
if (cf->repo_fd != -1) {
cf->file_rcs = rcs_open(cf->file_rpath, cf->repo_fd, rflags);
if (cf->file_rcs == NULL)
fatal("cvs_file_classify: failed to parse RCS");
} else {
(void)xsnprintf(rcsfile, PATH_MAX, "%s/%s/%s%s",
repo, CVS_PATH_ATTIC, cf->file_name, RCS_FILE_EXT);
cf->repo_fd = open(rcsfile, O_RDONLY);
if (cf->repo_fd != -1) {
free(cf->file_rpath);
cf->file_rpath = xstrdup(rcsfile);
cf->file_rcs = rcs_open(cf->file_rpath,
cf->repo_fd, rflags);
if (cf->file_rcs == NULL)
fatal("cvs_file_classify: failed to parse RCS");
cf->in_attic = 1;
} else {
cf->file_rcs = NULL;
}
}
notag = 0;
cf->file_flags |= FILE_HAS_TAG;
if (tag != NULL && cf->file_rcs != NULL) {
if ((cf->file_rcsrev = rcs_translate_tag(tag, cf->file_rcs))
== NULL) {
cf->file_rcsrev = rcs_translate_tag(NULL, cf->file_rcs);
if (cf->file_rcsrev != NULL) {
notag = 1;
cf->file_flags &= ~FILE_HAS_TAG;
}
}
} else if (cf->file_ent != NULL && cf->file_ent->ce_tag != NULL) {
cf->file_rcsrev = rcsnum_alloc();
rcsnum_cpy(cf->file_ent->ce_rev, cf->file_rcsrev, 0);
} else if (cf->file_rcs != NULL) {
cf->file_rcsrev = rcs_translate_tag(NULL, cf->file_rcs);
} else {
cf->file_rcsrev = NULL;
}
ismodified = rcsdead = 0;
if ((cf->file_flags & FILE_ON_DISK) && cf->file_ent != NULL) {
if (fstat(cf->fd, &st) == -1)
fatal("cvs_file_classify: %s", strerror(errno));
if (st.st_mtime != cf->file_ent->ce_mtime)
ismodified = 1;
}
server_has_file = 0;
if (cvs_server_active == 1 && cf->file_ent != NULL &&
cf->file_ent->ce_mtime == CVS_SERVER_UPTODATE) {
server_has_file = 1;
ismodified = 0;
}
if ((server_has_file == 1) || (cf->fd != -1))
cf->file_flags |= FILE_ON_DISK;
if (ismodified == 1 &&
(cf->file_flags & FILE_ON_DISK) && cf->file_rcs != NULL &&
cf->file_ent != NULL && !RCSNUM_ISBRANCH(cf->file_ent->ce_rev) &&
cf->file_ent->ce_status != CVS_ENT_ADDED) {
b1 = rcs_rev_getbuf(cf->file_rcs, cf->file_ent->ce_rev, 0);
b2 = buf_load_fd(cf->fd);
if (buf_differ(b1, b2))
ismodified = 1;
else
ismodified = 0;
buf_free(b1);
buf_free(b2);
}
if (cf->file_rcs != NULL && cf->file_rcsrev != NULL &&
!RCSNUM_ISBRANCH(cf->file_rcsrev)) {
state = rcs_state_get(cf->file_rcs, cf->file_rcsrev);
if (state == NULL)
fatal("failed to get state for HEAD for %s",
cf->file_path);
if (!strcmp(state, RCS_STATE_DEAD))
rcsdead = 1;
if (cvs_specified_date == -1 && cvs_directory_date == -1 &&
tag == NULL && cf->in_attic &&
!RCSNUM_ISBRANCHREV(cf->file_rcsrev))
rcsdead = 1;
cf->file_rcs->rf_dead = rcsdead;
}
/*
* 10 Sin
* 20 Goto hell
* (I welcome you if-else hell)
*/
if (cf->file_ent == NULL) {
if (cf->file_rcs == NULL) {
if (!(cf->file_flags & FILE_ON_DISK)) {
cvs_log(LP_NOTICE,
"nothing known about '%s'",
cf->file_path);
}
cf->file_status = FILE_UNKNOWN;
} else if (rcsdead == 1 || !(cf->file_flags & FILE_HAS_TAG)) {
if (!(cf->file_flags & FILE_ON_DISK)) {
cf->file_status = FILE_UPTODATE;
} else if (cvs_cmdop != CVS_OP_ADD) {
cf->file_status = FILE_UNKNOWN;
}
} else if (notag == 0 && cf->file_rcsrev != NULL) {
cf->file_status = FILE_CHECKOUT;
} else {
cf->file_status = FILE_UPTODATE;
}
return;
}
switch (cf->file_ent->ce_status) {
case CVS_ENT_ADDED:
if (!(cf->file_flags & FILE_ON_DISK)) {
if (cvs_cmdop != CVS_OP_REMOVE) {
cvs_log(LP_NOTICE,
"warning: new-born %s has disappeared",
cf->file_path);
}
cf->file_status = FILE_REMOVE_ENTRY;
} else if (cf->file_rcs == NULL || rcsdead == 1 ||
!(cf->file_flags & FILE_HAS_TAG)) {
cf->file_status = FILE_ADDED;
} else {
cvs_log(LP_NOTICE,
"conflict: %s already created by others",
cf->file_path);
cf->file_status = FILE_CONFLICT;
}
break;
case CVS_ENT_REMOVED:
if (cf->file_flags & FILE_ON_DISK) {
cvs_log(LP_NOTICE,
"%s should be removed but is still there",
cf->file_path);
cf->file_status = FILE_REMOVED;
} else if (cf->file_rcs == NULL || rcsdead == 1) {
cf->file_status = FILE_REMOVE_ENTRY;
} else {
if (rcsnum_differ(cf->file_ent->ce_rev,
cf->file_rcsrev) && cvs_cmdop != CVS_OP_ADD) {
cvs_log(LP_NOTICE,
"conflict: removed %s was modified"
" by a second party",
cf->file_path);
cf->file_status = FILE_CONFLICT;
} else {
cf->file_status = FILE_REMOVED;
}
}
break;
case CVS_ENT_REG:
if (cf->file_rcs == NULL || cf->file_rcsrev == NULL ||
rcsdead == 1 || (reset_tag == 1 && cf->in_attic == 1) ||
(notag == 1 && tag != NULL)) {
if (!(cf->file_flags & FILE_ON_DISK)) {
cvs_log(LP_NOTICE,
"warning: %s's entry exists but"
" is no longer in the repository,"
" removing entry",
cf->file_path);
cf->file_status = FILE_REMOVE_ENTRY;
} else {
if (ismodified) {
cvs_log(LP_NOTICE,
"conflict: %s is no longer "
"in the repository but is "
"locally modified",
cf->file_path);
if (cvs_cmdop == CVS_OP_COMMIT)
cf->file_status = FILE_UNLINK;
else
cf->file_status = FILE_CONFLICT;
} else if (cvs_cmdop != CVS_OP_IMPORT) {
cvs_log(LP_NOTICE,
"%s is no longer in the "
"repository",
cf->file_path);
cf->file_status = FILE_UNLINK;
}
}
} else if (cf->file_rcsrev == NULL) {
cf->file_status = FILE_UNLINK;
} else {
if (!(cf->file_flags & FILE_ON_DISK)) {
if (cvs_cmdop != CVS_OP_REMOVE) {
cvs_log(LP_NOTICE,
"warning: %s was lost",
cf->file_path);
}
cf->file_status = FILE_LOST;
} else {
if (ismodified == 1)
cf->file_status = FILE_MODIFIED;
else
cf->file_status = FILE_UPTODATE;
if (rcsnum_differ(cf->file_ent->ce_rev,
cf->file_rcsrev)) {
if (cf->file_status == FILE_MODIFIED)
cf->file_status = FILE_MERGE;
else
cf->file_status = FILE_PATCH;
}
}
}
break;
case CVS_ENT_UNKNOWN:
if (cvs_server_active != 1)
fatal("server-side questionable in local mode?");
cf->file_status = FILE_UNKNOWN;
break;
default:
break;
}
}
void
cvs_file_free(struct cvs_file *cf)
{
free(cf->file_name);
free(cf->file_wd);
free(cf->file_path);
free(cf->file_rcsrev);
free(cf->file_rpath);
if (cf->file_ent != NULL)
cvs_ent_free(cf->file_ent);
if (cf->file_rcs != NULL)
rcs_close(cf->file_rcs);
if (cf->fd != -1)
(void)close(cf->fd);
if (cf->repo_fd != -1)
(void)close(cf->repo_fd);
free(cf);
}
int
cvs_file_cmpname(const char *name1, const char *name2)
{
return (cvs_nocase == 0) ? (strcmp(name1, name2)) :
(strcasecmp(name1, name2));
}
int
cvs_file_cmp(const char *file1, const char *file2)
{
struct stat stb1, stb2;
int fd1, fd2, ret;
ret = 0;
if ((fd1 = open(file1, O_RDONLY|O_NOFOLLOW)) == -1)
fatal("cvs_file_cmp: open: `%s': %s", file1, strerror(errno));
if ((fd2 = open(file2, O_RDONLY|O_NOFOLLOW)) == -1)
fatal("cvs_file_cmp: open: `%s': %s", file2, strerror(errno));
if (fstat(fd1, &stb1) == -1)
fatal("cvs_file_cmp: `%s': %s", file1, strerror(errno));
if (fstat(fd2, &stb2) == -1)
fatal("cvs_file_cmp: `%s': %s", file2, strerror(errno));
if (stb1.st_size != stb2.st_size ||
(stb1.st_mode & S_IFMT) != (stb2.st_mode & S_IFMT)) {
ret = 1;
goto out;
}
if (S_ISBLK(stb1.st_mode) || S_ISCHR(stb1.st_mode)) {
if (stb1.st_rdev != stb2.st_rdev)
ret = 1;
goto out;
}
if (S_ISREG(stb1.st_mode)) {
void *p1, *p2;
if ((uintmax_t)stb1.st_size > SIZE_MAX) {
ret = 1;
goto out;
}
if ((p1 = mmap(NULL, stb1.st_size, PROT_READ,
MAP_FILE, fd1, (off_t)0)) == MAP_FAILED)
fatal("cvs_file_cmp: mmap failed");
if ((p2 = mmap(NULL, stb1.st_size, PROT_READ,
MAP_FILE, fd2, (off_t)0)) == MAP_FAILED)
fatal("cvs_file_cmp: mmap failed");
madvise(p1, stb1.st_size, MADV_SEQUENTIAL);
madvise(p2, stb1.st_size, MADV_SEQUENTIAL);
ret = memcmp(p1, p2, stb1.st_size);
(void)munmap(p1, stb1.st_size);
(void)munmap(p2, stb1.st_size);
}
out:
(void)close(fd1);
(void)close(fd2);
return (ret);
}
int
cvs_file_copy(const char *from, const char *to)
{
struct stat st;
struct timespec ts[2];
int src, dst, ret;
ret = 0;
cvs_log(LP_TRACE, "cvs_file_copy(%s,%s)", from, to);
if (cvs_noexec == 1)
return (0);
if ((src = open(from, O_RDONLY)) == -1)
fatal("cvs_file_copy: open: `%s': %s", from, strerror(errno));
if (fstat(src, &st) == -1)
fatal("cvs_file_copy: `%s': %s", from, strerror(errno));
if (S_ISREG(st.st_mode)) {
char *p;
int saved_errno;
if ((uintmax_t)st.st_size > SIZE_MAX) {
ret = -1;
goto out;
}
if ((dst = open(to, O_CREAT|O_TRUNC|O_WRONLY,
st.st_mode & (S_IRWXU|S_IRWXG|S_IRWXO))) == -1)
fatal("cvs_file_copy: open `%s': %s",
to, strerror(errno));
if ((p = mmap(NULL, st.st_size, PROT_READ,
MAP_FILE, src, (off_t)0)) == MAP_FAILED) {
saved_errno = errno;
(void)unlink(to);
fatal("cvs_file_copy: mmap: %s", strerror(saved_errno));
}
madvise(p, st.st_size, MADV_SEQUENTIAL);
if (atomicio(vwrite, dst, p, st.st_size) != (size_t)st.st_size) {
saved_errno = errno;
(void)unlink(to);
fatal("cvs_file_copy: `%s': %s", from,
strerror(saved_errno));
}
(void)munmap(p, st.st_size);
ts[0] = st.st_atim;
ts[1] = st.st_mtim;
if (futimens(dst, ts) == -1) {
saved_errno = errno;
(void)unlink(to);
fatal("cvs_file_copy: futimes: %s",
strerror(saved_errno));
}
(void)close(dst);
}
out:
(void)close(src);
return (ret);
}
int
cvs_filelist_cmp(struct cvs_filelist *f1, struct cvs_filelist *f2)
{
return (strcmp(f1->file_path, f2->file_path));
}
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