1012 lines
26 KiB
C
1012 lines
26 KiB
C
/*-
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* Copyright (c) 2003-2006, Maxime Henrion <mux@FreeBSD.org>
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* All rights reserved.
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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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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <assert.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "config.h"
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#include "diff.h"
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#include "fattr.h"
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#include "fixups.h"
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#include "keyword.h"
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#include "updater.h"
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#include "misc.h"
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#include "mux.h"
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#include "proto.h"
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#include "status.h"
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#include "stream.h"
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/* Internal error codes. */
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#define UPDATER_ERR_PROTO (-1) /* Protocol error. */
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#define UPDATER_ERR_MSG (-2) /* Error is in updater->errmsg. */
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#define UPDATER_ERR_READ (-3) /* Error reading from server. */
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#define UPDATER_ERR_DELETELIM (-4) /* File deletion limit exceeded. */
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/* Everything needed to update a file. */
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struct file_update {
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struct statusrec srbuf;
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char *destpath;
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char *temppath;
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char *coname; /* Points somewhere in destpath. */
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char *wantmd5;
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struct coll *coll;
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struct status *st;
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/* Those are only used for diff updating. */
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char *author;
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struct stream *orig;
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struct stream *to;
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int expand;
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};
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struct updater {
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struct config *config;
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struct stream *rd;
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char *errmsg;
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int deletecount;
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};
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static struct file_update *fup_new(struct coll *, struct status *);
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static int fup_prepare(struct file_update *, char *);
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static void fup_cleanup(struct file_update *);
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static void fup_free(struct file_update *);
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static void updater_prunedirs(char *, char *);
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static int updater_batch(struct updater *, int);
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static int updater_docoll(struct updater *, struct file_update *, int);
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static int updater_delete(struct updater *, struct file_update *);
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static void updater_deletefile(const char *);
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static int updater_checkout(struct updater *, struct file_update *, int);
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static int updater_setattrs(struct updater *, struct file_update *,
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char *, char *, char *, char *, char *, struct fattr *);
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static int updater_updatefile(struct updater *, struct file_update *fup,
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const char *, int);
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static int updater_diff(struct updater *, struct file_update *);
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static int updater_diff_batch(struct updater *, struct file_update *);
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static int updater_diff_apply(struct updater *, struct file_update *,
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char *);
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static struct file_update *
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fup_new(struct coll *coll, struct status *st)
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{
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struct file_update *fup;
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fup = xmalloc(sizeof(struct file_update));
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memset(fup, 0, sizeof(*fup));
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fup->coll = coll;
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fup->st = st;
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return (fup);
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}
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static int
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fup_prepare(struct file_update *fup, char *name)
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{
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struct coll *coll;
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coll = fup->coll;
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fup->destpath = checkoutpath(coll->co_prefix, name);
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if (fup->destpath == NULL)
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return (-1);
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fup->coname = fup->destpath + coll->co_prefixlen + 1;
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return (0);
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}
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/* Called after each file update to reinit the structure. */
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static void
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fup_cleanup(struct file_update *fup)
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{
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struct statusrec *sr;
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sr = &fup->srbuf;
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if (fup->destpath != NULL) {
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free(fup->destpath);
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fup->destpath = NULL;
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}
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if (fup->temppath != NULL) {
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free(fup->temppath);
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fup->temppath = NULL;
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}
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fup->coname = NULL;
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if (fup->author != NULL) {
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free(fup->author);
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fup->author = NULL;
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}
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fup->expand = 0;
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if (fup->wantmd5 != NULL) {
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free(fup->wantmd5);
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fup->wantmd5 = NULL;
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}
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if (fup->orig != NULL) {
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stream_close(fup->orig);
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fup->orig = NULL;
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}
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if (fup->to != NULL) {
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stream_close(fup->to);
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fup->to = NULL;
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}
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if (sr->sr_file != NULL)
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free(sr->sr_file);
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if (sr->sr_tag != NULL)
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free(sr->sr_tag);
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if (sr->sr_date != NULL)
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free(sr->sr_date);
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if (sr->sr_revnum != NULL)
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free(sr->sr_revnum);
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if (sr->sr_revdate != NULL)
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free(sr->sr_revdate);
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fattr_free(sr->sr_clientattr);
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fattr_free(sr->sr_serverattr);
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memset(sr, 0, sizeof(*sr));
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}
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static void
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fup_free(struct file_update *fup)
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{
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fup_cleanup(fup);
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free(fup);
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}
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void *
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updater(void *arg)
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{
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struct thread_args *args;
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struct updater upbuf, *up;
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int error;
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args = arg;
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up = &upbuf;
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up->config = args->config;
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up->rd = args->rd;
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up->errmsg = NULL;
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up->deletecount = 0;
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error = updater_batch(up, 0);
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/*
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* Make sure to close the fixups even in case of an error,
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* so that the lister thread doesn't block indefinitely.
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*/
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fixups_close(up->config->fixups);
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if (!error)
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error = updater_batch(up, 1);
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switch (error) {
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case UPDATER_ERR_PROTO:
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xasprintf(&args->errmsg, "Updater failed: Protocol error");
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args->status = STATUS_FAILURE;
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break;
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case UPDATER_ERR_MSG:
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xasprintf(&args->errmsg, "Updater failed: %s", up->errmsg);
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free(up->errmsg);
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args->status = STATUS_FAILURE;
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break;
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case UPDATER_ERR_READ:
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if (stream_eof(up->rd)) {
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xasprintf(&args->errmsg, "Updater failed: "
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"Premature EOF from server");
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} else {
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xasprintf(&args->errmsg, "Updater failed: "
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"Network read failure: %s", strerror(errno));
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}
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args->status = STATUS_TRANSIENTFAILURE;
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break;
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case UPDATER_ERR_DELETELIM:
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xasprintf(&args->errmsg, "Updater failed: "
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"File deletion limit exceeded");
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args->status = STATUS_FAILURE;
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break;
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default:
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assert(error == 0);
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args->status = STATUS_SUCCESS;
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};
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return (NULL);
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}
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static int
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updater_batch(struct updater *up, int isfixups)
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{
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struct stream *rd;
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struct coll *coll;
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struct status *st;
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struct file_update *fup;
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char *line, *cmd, *errmsg, *collname, *release;
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int error;
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rd = up->rd;
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STAILQ_FOREACH(coll, &up->config->colls, co_next) {
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if (coll->co_options & CO_SKIP)
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continue;
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umask(coll->co_umask);
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line = stream_getln(rd, NULL);
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if (line == NULL)
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return (UPDATER_ERR_READ);
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cmd = proto_get_ascii(&line);
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collname = proto_get_ascii(&line);
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release = proto_get_ascii(&line);
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if (release == NULL || line != NULL)
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return (UPDATER_ERR_PROTO);
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if (strcmp(cmd, "COLL") != 0 ||
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strcmp(collname, coll->co_name) != 0 ||
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strcmp(release, coll->co_release) != 0)
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return (UPDATER_ERR_PROTO);
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if (!isfixups)
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lprintf(1, "Updating collection %s/%s\n", coll->co_name,
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coll->co_release);
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if (coll->co_options & CO_COMPRESS)
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stream_filter_start(rd, STREAM_FILTER_ZLIB, NULL);
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st = status_open(coll, coll->co_scantime, &errmsg);
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if (st == NULL) {
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up->errmsg = errmsg;
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return (UPDATER_ERR_MSG);
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}
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fup = fup_new(coll, st);
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error = updater_docoll(up, fup, isfixups);
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status_close(st, &errmsg);
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fup_free(fup);
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if (errmsg != NULL) {
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/* Discard previous error. */
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if (up->errmsg != NULL)
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free(up->errmsg);
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up->errmsg = errmsg;
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return (UPDATER_ERR_MSG);
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}
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if (error)
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return (error);
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if (coll->co_options & CO_COMPRESS)
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stream_filter_stop(rd);
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}
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line = stream_getln(rd, NULL);
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if (line == NULL)
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return (UPDATER_ERR_READ);
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if (strcmp(line, ".") != 0)
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return (UPDATER_ERR_PROTO);
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return (0);
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}
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static int
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updater_docoll(struct updater *up, struct file_update *fup, int isfixups)
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{
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struct stream *rd;
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struct coll *coll;
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struct statusrec srbuf, *sr;
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struct fattr *rcsattr, *tmp;
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char *cmd, *line, *msg, *attr;
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char *name, *tag, *date, *revdate;
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char *expand, *wantmd5, *revnum;
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time_t t;
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int error, needfixupmsg;
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error = 0;
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rd = up->rd;
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coll = fup->coll;
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needfixupmsg = isfixups;
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while ((line = stream_getln(rd, NULL)) != NULL) {
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if (strcmp(line, ".") == 0)
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break;
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memset(&srbuf, 0, sizeof(srbuf));
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if (needfixupmsg) {
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lprintf(1, "Applying fixups for collection %s/%s\n",
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coll->co_name, coll->co_release);
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needfixupmsg = 0;
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}
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cmd = proto_get_ascii(&line);
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if (cmd == NULL || strlen(cmd) != 1)
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return (UPDATER_ERR_PROTO);
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switch (cmd[0]) {
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case 'T':
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/* Update recorded information for checked-out file. */
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name = proto_get_ascii(&line);
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tag = proto_get_ascii(&line);
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date = proto_get_ascii(&line);
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revnum = proto_get_ascii(&line);
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revdate = proto_get_ascii(&line);
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attr = proto_get_ascii(&line);
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if (attr == NULL || line != NULL)
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return (UPDATER_ERR_PROTO);
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rcsattr = fattr_decode(attr);
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if (rcsattr == NULL)
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return (UPDATER_ERR_PROTO);
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error = fup_prepare(fup, name);
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if (error)
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return (UPDATER_ERR_PROTO);
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error = updater_setattrs(up, fup, name, tag, date,
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revnum, revdate, rcsattr);
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fattr_free(rcsattr);
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if (error)
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return (error);
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break;
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case 'c':
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/* Checkout dead file. */
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name = proto_get_ascii(&line);
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tag = proto_get_ascii(&line);
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date = proto_get_ascii(&line);
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attr = proto_get_ascii(&line);
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if (attr == NULL || line != NULL)
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return (UPDATER_ERR_PROTO);
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error = fup_prepare(fup, name);
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if (error)
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return (UPDATER_ERR_PROTO);
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/* Theoritically, the file does not exist on the client.
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Just to make sure, we'll delete it here, if it
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exists. */
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if (access(fup->destpath, F_OK) == 0) {
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error = updater_delete(up, fup);
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if (error)
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return (error);
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}
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sr = &srbuf;
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sr->sr_type = SR_CHECKOUTDEAD;
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sr->sr_file = name;
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sr->sr_tag = tag;
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sr->sr_date = date;
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sr->sr_serverattr = fattr_decode(attr);
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if (sr->sr_serverattr == NULL)
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return (UPDATER_ERR_PROTO);
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error = status_put(fup->st, sr);
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fattr_free(sr->sr_serverattr);
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if (error) {
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up->errmsg = status_errmsg(fup->st);
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return (UPDATER_ERR_MSG);
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}
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break;
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case 'U':
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/* Update live checked-out file. */
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name = proto_get_ascii(&line);
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tag = proto_get_ascii(&line);
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date = proto_get_ascii(&line);
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proto_get_ascii(&line); /* XXX - oldRevNum */
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proto_get_ascii(&line); /* XXX - fromAttic */
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proto_get_ascii(&line); /* XXX - logLines */
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expand = proto_get_ascii(&line);
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attr = proto_get_ascii(&line);
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wantmd5 = proto_get_ascii(&line);
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if (wantmd5 == NULL || line != NULL)
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return (UPDATER_ERR_PROTO);
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sr = &fup->srbuf;
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sr->sr_type = SR_CHECKOUTLIVE;
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sr->sr_file = xstrdup(name);
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sr->sr_date = xstrdup(date);
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sr->sr_tag = xstrdup(tag);
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sr->sr_serverattr = fattr_decode(attr);
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if (sr->sr_serverattr == NULL)
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return (UPDATER_ERR_PROTO);
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fup->expand = keyword_decode_expand(expand);
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if (fup->expand == -1)
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return (UPDATER_ERR_PROTO);
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error = fup_prepare(fup, name);
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if (error)
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return (UPDATER_ERR_PROTO);
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fup->wantmd5 = xstrdup(wantmd5);
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fup->temppath = tempname(fup->destpath);
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error = updater_diff(up, fup);
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if (error)
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return (error);
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break;
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case 'u':
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/* Update dead checked-out file. */
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name = proto_get_ascii(&line);
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tag = proto_get_ascii(&line);
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date = proto_get_ascii(&line);
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attr = proto_get_ascii(&line);
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if (attr == NULL || line != NULL)
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return (UPDATER_ERR_PROTO);
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error = fup_prepare(fup, name);
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if (error)
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return (UPDATER_ERR_PROTO);
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error = updater_delete(up, fup);
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if (error)
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return (error);
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sr = &srbuf;
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sr->sr_type = SR_CHECKOUTDEAD;
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sr->sr_file = name;
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sr->sr_tag = tag;
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sr->sr_date = date;
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sr->sr_serverattr = fattr_decode(attr);
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if (sr->sr_serverattr == NULL)
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return (UPDATER_ERR_PROTO);
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error = status_put(fup->st, sr);
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fattr_free(sr->sr_serverattr);
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if (error) {
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up->errmsg = status_errmsg(fup->st);
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return (UPDATER_ERR_MSG);
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}
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break;
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case 'C':
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case 'Y':
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/* Checkout file. */
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name = proto_get_ascii(&line);
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tag = proto_get_ascii(&line);
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date = proto_get_ascii(&line);
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revnum = proto_get_ascii(&line);
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revdate = proto_get_ascii(&line);
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attr = proto_get_ascii(&line);
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if (attr == NULL || line != NULL)
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return (UPDATER_ERR_PROTO);
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sr = &fup->srbuf;
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sr->sr_type = SR_CHECKOUTLIVE;
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sr->sr_file = xstrdup(name);
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sr->sr_tag = xstrdup(tag);
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sr->sr_date = xstrdup(date);
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sr->sr_revnum = xstrdup(revnum);
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sr->sr_revdate = xstrdup(revdate);
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sr->sr_serverattr = fattr_decode(attr);
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if (sr->sr_serverattr == NULL)
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return (UPDATER_ERR_PROTO);
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t = rcsdatetotime(revdate);
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if (t == -1)
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return (UPDATER_ERR_PROTO);
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sr->sr_clientattr = fattr_new(FT_FILE, t);
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tmp = fattr_forcheckout(sr->sr_serverattr,
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coll->co_umask);
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fattr_override(sr->sr_clientattr, tmp, FA_MASK);
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fattr_free(tmp);
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fattr_mergedefault(sr->sr_clientattr);
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error = fup_prepare(fup, name);
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if (error)
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return (UPDATER_ERR_PROTO);
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fup->temppath = tempname(fup->destpath);
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if (*cmd == 'Y')
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error = updater_checkout(up, fup, 1);
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else
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error = updater_checkout(up, fup, 0);
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if (error)
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return (error);
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break;
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case 'D':
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/* Delete file. */
|
|
name = proto_get_ascii(&line);
|
|
if (name == NULL || line != NULL)
|
|
return (UPDATER_ERR_PROTO);
|
|
error = fup_prepare(fup, name);
|
|
if (error)
|
|
return (UPDATER_ERR_PROTO);
|
|
error = updater_delete(up, fup);
|
|
if (error)
|
|
return (error);
|
|
error = status_delete(fup->st, name, 0);
|
|
if (error) {
|
|
up->errmsg = status_errmsg(fup->st);
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
break;
|
|
case '!':
|
|
/* Warning from server. */
|
|
msg = proto_get_rest(&line);
|
|
if (msg == NULL)
|
|
return (UPDATER_ERR_PROTO);
|
|
lprintf(-1, "Server warning: %s\n", msg);
|
|
break;
|
|
default:
|
|
return (UPDATER_ERR_PROTO);
|
|
}
|
|
fup_cleanup(fup);
|
|
}
|
|
if (line == NULL)
|
|
return (UPDATER_ERR_READ);
|
|
return (0);
|
|
}
|
|
|
|
/* Delete file. */
|
|
static int
|
|
updater_delete(struct updater *up, struct file_update *fup)
|
|
{
|
|
struct config *config;
|
|
struct coll *coll;
|
|
|
|
config = up->config;
|
|
coll = fup->coll;
|
|
if (coll->co_options & CO_DELETE) {
|
|
lprintf(1, " Delete %s\n", fup->coname);
|
|
if (config->deletelim >= 0 &&
|
|
up->deletecount >= config->deletelim)
|
|
return (UPDATER_ERR_DELETELIM);
|
|
up->deletecount++;
|
|
updater_deletefile(fup->destpath);
|
|
if (coll->co_options & CO_CHECKOUTMODE)
|
|
updater_prunedirs(coll->co_prefix, fup->destpath);
|
|
} else {
|
|
lprintf(1," NoDelete %s\n", fup->coname);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
updater_deletefile(const char *path)
|
|
{
|
|
int error;
|
|
|
|
error = fattr_delete(path);
|
|
if (error && errno != ENOENT) {
|
|
lprintf(-1, "Cannot delete \"%s\": %s\n",
|
|
path, strerror(errno));
|
|
}
|
|
}
|
|
|
|
static int
|
|
updater_setattrs(struct updater *up, struct file_update *fup, char *name,
|
|
char *tag, char *date, char *revnum, char *revdate, struct fattr *rcsattr)
|
|
{
|
|
struct statusrec sr;
|
|
struct status *st;
|
|
struct coll *coll;
|
|
struct fattr *fileattr, *fa;
|
|
char *path;
|
|
int error, rv;
|
|
|
|
coll = fup->coll;
|
|
st = fup->st;
|
|
path = fup->destpath;
|
|
|
|
fileattr = fattr_frompath(path, FATTR_NOFOLLOW);
|
|
if (fileattr == NULL) {
|
|
/* The file has vanished. */
|
|
error = status_delete(st, name, 0);
|
|
if (error) {
|
|
up->errmsg = status_errmsg(st);
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
return (0);
|
|
}
|
|
fa = fattr_forcheckout(rcsattr, coll->co_umask);
|
|
fattr_override(fileattr, fa, FA_MASK);
|
|
fattr_free(fa);
|
|
|
|
rv = fattr_install(fileattr, path, NULL);
|
|
if (rv == -1) {
|
|
lprintf(1, " SetAttrs %s\n", fup->coname);
|
|
fattr_free(fileattr);
|
|
xasprintf(&up->errmsg, "Cannot set attributes for \"%s\": %s",
|
|
path, strerror(errno));
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
if (rv == 1) {
|
|
lprintf(1, " SetAttrs %s\n", fup->coname);
|
|
fattr_free(fileattr);
|
|
fileattr = fattr_frompath(path, FATTR_NOFOLLOW);
|
|
if (fileattr == NULL) {
|
|
/* We're being very unlucky. */
|
|
error = status_delete(st, name, 0);
|
|
if (error) {
|
|
up->errmsg = status_errmsg(st);
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
fattr_maskout(fileattr, FA_COIGNORE);
|
|
|
|
sr.sr_type = SR_CHECKOUTLIVE;
|
|
sr.sr_file = name;
|
|
sr.sr_tag = tag;
|
|
sr.sr_date = date;
|
|
sr.sr_revnum = revnum;
|
|
sr.sr_revdate = revdate;
|
|
sr.sr_clientattr = fileattr;
|
|
sr.sr_serverattr = rcsattr;
|
|
|
|
error = status_put(st, &sr);
|
|
fattr_free(fileattr);
|
|
if (error) {
|
|
up->errmsg = status_errmsg(st);
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
updater_updatefile(struct updater *up, struct file_update *fup,
|
|
const char *md5, int isfixup)
|
|
{
|
|
struct coll *coll;
|
|
struct status *st;
|
|
struct statusrec *sr;
|
|
struct fattr *fileattr;
|
|
int error, rv;
|
|
|
|
coll = fup->coll;
|
|
sr = &fup->srbuf;
|
|
st = fup->st;
|
|
|
|
if (strcmp(fup->wantmd5, md5) != 0) {
|
|
if (isfixup) {
|
|
lprintf(-1, "%s: Checksum mismatch -- "
|
|
"file not updated\n", fup->destpath);
|
|
} else {
|
|
lprintf(-1, "%s: Checksum mismatch -- "
|
|
"will transfer entire file\n", fup->destpath);
|
|
fixups_put(up->config->fixups, fup->coll, sr->sr_file);
|
|
}
|
|
if (coll->co_options & CO_KEEPBADFILES)
|
|
lprintf(-1, "Bad version saved in %s\n", fup->temppath);
|
|
else
|
|
updater_deletefile(fup->temppath);
|
|
return (0);
|
|
}
|
|
|
|
fattr_umask(sr->sr_clientattr, coll->co_umask);
|
|
rv = fattr_install(sr->sr_clientattr, fup->destpath, fup->temppath);
|
|
if (rv == -1) {
|
|
xasprintf(&up->errmsg, "Cannot install \"%s\" to \"%s\": %s",
|
|
fup->temppath, fup->destpath, strerror(errno));
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
|
|
/* XXX Executes */
|
|
/*
|
|
* We weren't necessarily able to set all the file attributes to the
|
|
* desired values, and any executes may have altered the attributes.
|
|
* To make sure we record the actual attribute values, we fetch
|
|
* them from the file.
|
|
*
|
|
* However, we preserve the link count as received from the
|
|
* server. This is important for preserving hard links in mirror
|
|
* mode.
|
|
*/
|
|
fileattr = fattr_frompath(fup->destpath, FATTR_NOFOLLOW);
|
|
if (fileattr == NULL) {
|
|
xasprintf(&up->errmsg, "Cannot stat \"%s\": %s", fup->destpath,
|
|
strerror(errno));
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
fattr_override(fileattr, sr->sr_clientattr, FA_LINKCOUNT);
|
|
fattr_free(sr->sr_clientattr);
|
|
sr->sr_clientattr = fileattr;
|
|
|
|
/*
|
|
* To save space, don't write out the device and inode unless
|
|
* the link count is greater than 1. These attributes are used
|
|
* only for detecting hard links. If the link count is 1 then we
|
|
* know there aren't any hard links.
|
|
*/
|
|
if (!(fattr_getmask(sr->sr_clientattr) & FA_LINKCOUNT) ||
|
|
fattr_getlinkcount(sr->sr_clientattr) <= 1)
|
|
fattr_maskout(sr->sr_clientattr, FA_DEV | FA_INODE);
|
|
|
|
if (coll->co_options & CO_CHECKOUTMODE)
|
|
fattr_maskout(sr->sr_clientattr, FA_COIGNORE);
|
|
|
|
error = status_put(st, sr);
|
|
if (error) {
|
|
up->errmsg = status_errmsg(st);
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
updater_diff(struct updater *up, struct file_update *fup)
|
|
{
|
|
char md5[MD5_DIGEST_SIZE];
|
|
struct coll *coll;
|
|
struct statusrec *sr;
|
|
struct fattr *fa, *tmp;
|
|
char *author, *path, *revnum, *revdate;
|
|
char *line, *cmd;
|
|
int error;
|
|
|
|
coll = fup->coll;
|
|
sr = &fup->srbuf;
|
|
path = fup->destpath;
|
|
|
|
lprintf(1, " Edit %s\n", fup->coname);
|
|
while ((line = stream_getln(up->rd, NULL)) != NULL) {
|
|
if (strcmp(line, ".") == 0)
|
|
break;
|
|
cmd = proto_get_ascii(&line);
|
|
if (cmd == NULL || strcmp(cmd, "D") != 0)
|
|
return (UPDATER_ERR_PROTO);
|
|
revnum = proto_get_ascii(&line);
|
|
proto_get_ascii(&line); /* XXX - diffbase */
|
|
revdate = proto_get_ascii(&line);
|
|
author = proto_get_ascii(&line);
|
|
if (author == NULL || line != NULL)
|
|
return (UPDATER_ERR_PROTO);
|
|
if (sr->sr_revnum != NULL)
|
|
free(sr->sr_revnum);
|
|
if (sr->sr_revdate != NULL)
|
|
free(sr->sr_revdate);
|
|
if (fup->author != NULL)
|
|
free(fup->author);
|
|
sr->sr_revnum = xstrdup(revnum);
|
|
sr->sr_revdate = xstrdup(revdate);
|
|
fup->author = xstrdup(author);
|
|
if (fup->orig == NULL) {
|
|
/* First patch, the "origin" file is the one we have. */
|
|
fup->orig = stream_open_file(path, O_RDONLY);
|
|
if (fup->orig == NULL) {
|
|
xasprintf(&up->errmsg, "%s: Cannot open: %s",
|
|
path, strerror(errno));
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
} else {
|
|
/* Subsequent patches. */
|
|
stream_close(fup->orig);
|
|
fup->orig = fup->to;
|
|
stream_rewind(fup->orig);
|
|
unlink(fup->temppath);
|
|
free(fup->temppath);
|
|
fup->temppath = tempname(path);
|
|
}
|
|
fup->to = stream_open_file(fup->temppath,
|
|
O_RDWR | O_CREAT | O_TRUNC, 0600);
|
|
if (fup->to == NULL) {
|
|
xasprintf(&up->errmsg, "%s: Cannot open: %s",
|
|
fup->temppath, strerror(errno));
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
lprintf(2, " Add delta %s %s %s\n", sr->sr_revnum,
|
|
sr->sr_revdate, fup->author);
|
|
error = updater_diff_batch(up, fup);
|
|
if (error)
|
|
return (error);
|
|
}
|
|
if (line == NULL)
|
|
return (UPDATER_ERR_READ);
|
|
|
|
fa = fattr_frompath(path, FATTR_FOLLOW);
|
|
tmp = fattr_forcheckout(sr->sr_serverattr, coll->co_umask);
|
|
fattr_override(fa, tmp, FA_MASK);
|
|
fattr_free(tmp);
|
|
fattr_maskout(fa, FA_MODTIME);
|
|
sr->sr_clientattr = fa;
|
|
|
|
if (MD5_File(fup->temppath, md5) == -1) {
|
|
xasprintf(&up->errmsg,
|
|
"Cannot calculate checksum for \"%s\": %s",
|
|
path, strerror(errno));
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
error = updater_updatefile(up, fup, md5, 0);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
updater_diff_batch(struct updater *up, struct file_update *fup)
|
|
{
|
|
struct stream *rd;
|
|
char *cmd, *line, *state, *tok;
|
|
int error;
|
|
|
|
state = NULL;
|
|
rd = up->rd;
|
|
while ((line = stream_getln(rd, NULL)) != NULL) {
|
|
if (strcmp(line, ".") == 0)
|
|
break;
|
|
cmd = proto_get_ascii(&line);
|
|
if (cmd == NULL || strlen(cmd) != 1) {
|
|
error = UPDATER_ERR_PROTO;
|
|
goto bad;
|
|
}
|
|
switch (cmd[0]) {
|
|
case 'L':
|
|
line = stream_getln(rd, NULL);
|
|
/* XXX - We're just eating the log for now. */
|
|
while (line != NULL && strcmp(line, ".") != 0 &&
|
|
strcmp(line, ".+") != 0)
|
|
line = stream_getln(rd, NULL);
|
|
if (line == NULL) {
|
|
error = UPDATER_ERR_READ;
|
|
goto bad;
|
|
}
|
|
break;
|
|
case 'S':
|
|
tok = proto_get_ascii(&line);
|
|
if (tok == NULL || line != NULL) {
|
|
error = UPDATER_ERR_PROTO;
|
|
goto bad;
|
|
}
|
|
if (state != NULL)
|
|
free(state);
|
|
state = xstrdup(tok);
|
|
break;
|
|
case 'T':
|
|
error = updater_diff_apply(up, fup, state);
|
|
if (error)
|
|
goto bad;
|
|
break;
|
|
default:
|
|
error = UPDATER_ERR_PROTO;
|
|
goto bad;
|
|
}
|
|
}
|
|
if (line == NULL) {
|
|
error = UPDATER_ERR_READ;
|
|
goto bad;
|
|
}
|
|
if (state != NULL)
|
|
free(state);
|
|
return (0);
|
|
bad:
|
|
if (state != NULL)
|
|
free(state);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
updater_diff_apply(struct updater *up, struct file_update *fup, char *state)
|
|
{
|
|
struct diffinfo dibuf, *di;
|
|
struct coll *coll;
|
|
struct statusrec *sr;
|
|
int error;
|
|
|
|
coll = fup->coll;
|
|
sr = &fup->srbuf;
|
|
di = &dibuf;
|
|
|
|
di->di_rcsfile = sr->sr_file;
|
|
di->di_cvsroot = coll->co_cvsroot;
|
|
di->di_revnum = sr->sr_revnum;
|
|
di->di_revdate = sr->sr_revdate;
|
|
di->di_author = fup->author;
|
|
di->di_tag = sr->sr_tag;
|
|
di->di_state = state;
|
|
di->di_expand = fup->expand;
|
|
|
|
error = diff_apply(up->rd, fup->orig, fup->to, coll->co_keyword, di);
|
|
if (error) {
|
|
/* XXX Bad error message */
|
|
xasprintf(&up->errmsg, "Bad diff from server");
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
updater_checkout(struct updater *up, struct file_update *fup, int isfixup)
|
|
{
|
|
char md5[MD5_DIGEST_SIZE];
|
|
struct statusrec *sr;
|
|
struct coll *coll;
|
|
struct stream *to;
|
|
char *cmd, *path, *line;
|
|
size_t size;
|
|
ssize_t nbytes;
|
|
int error, first;
|
|
|
|
coll = fup->coll;
|
|
sr = &fup->srbuf;
|
|
path = fup->destpath;
|
|
|
|
if (isfixup)
|
|
lprintf(1, " Fixup %s\n", fup->coname);
|
|
else
|
|
lprintf(1, " Checkout %s\n", fup->coname);
|
|
error = mkdirhier(path, coll->co_umask);
|
|
if (error) {
|
|
xasprintf(&up->errmsg,
|
|
"Cannot create directories leading to \"%s\": %s",
|
|
path, strerror(errno));
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
|
|
to = stream_open_file(fup->temppath,
|
|
O_WRONLY | O_CREAT | O_TRUNC, 0600);
|
|
if (to == NULL) {
|
|
xasprintf(&up->errmsg, "%s: Cannot create: %s",
|
|
fup->temppath, strerror(errno));
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
stream_filter_start(to, STREAM_FILTER_MD5, md5);
|
|
line = stream_getln(up->rd, &size);
|
|
first = 1;
|
|
while (line != NULL) {
|
|
if (line[size - 1] == '\n')
|
|
size--;
|
|
if ((size == 1 && *line == '.') ||
|
|
(size == 2 && memcmp(line, ".+", 2) == 0))
|
|
break;
|
|
if (size >= 2 && memcmp(line, "..", 2) == 0) {
|
|
size--;
|
|
line++;
|
|
}
|
|
if (!first) {
|
|
nbytes = stream_write(to, "\n", 1);
|
|
if (nbytes == -1)
|
|
goto bad;
|
|
}
|
|
stream_write(to, line, size);
|
|
line = stream_getln(up->rd, &size);
|
|
first = 0;
|
|
}
|
|
if (line == NULL) {
|
|
stream_close(to);
|
|
return (UPDATER_ERR_READ);
|
|
}
|
|
if (size == 1 && *line == '.') {
|
|
nbytes = stream_write(to, "\n", 1);
|
|
if (nbytes == -1)
|
|
goto bad;
|
|
}
|
|
stream_close(to);
|
|
/* Get the checksum line. */
|
|
line = stream_getln(up->rd, NULL);
|
|
if (line == NULL)
|
|
return (UPDATER_ERR_READ);
|
|
cmd = proto_get_ascii(&line);
|
|
fup->wantmd5 = proto_get_ascii(&line);
|
|
if (fup->wantmd5 == NULL || line != NULL || strcmp(cmd, "5") != 0)
|
|
return (UPDATER_ERR_PROTO);
|
|
error = updater_updatefile(up, fup, md5, isfixup);
|
|
fup->wantmd5 = NULL; /* So that it doesn't get freed. */
|
|
if (error)
|
|
return (error);
|
|
return (0);
|
|
bad:
|
|
xasprintf(&up->errmsg, "%s: Cannot write: %s", fup->temppath,
|
|
strerror(errno));
|
|
return (UPDATER_ERR_MSG);
|
|
}
|
|
|
|
/*
|
|
* Remove all empty directories below file.
|
|
* This function will trash the path passed to it.
|
|
*/
|
|
static void
|
|
updater_prunedirs(char *base, char *file)
|
|
{
|
|
char *cp;
|
|
int error;
|
|
|
|
while ((cp = strrchr(file, '/')) != NULL) {
|
|
*cp = '\0';
|
|
if (strcmp(base, file) == 0)
|
|
return;
|
|
error = rmdir(file);
|
|
if (error)
|
|
return;
|
|
}
|
|
}
|