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/* $OpenBSD: remote.c,v 1.15 2007/05/16 19:40:45 xsa Exp $ */
/*
* Copyright (c) 2006 Joris Vink <joris@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "cvs.h"
#include "remote.h"
struct cvs_resp *
cvs_remote_get_response_info(const char *response)
{
int i;
for (i = 0; cvs_responses[i].supported != -1; i++) {
if (!strcmp(cvs_responses[i].name, response))
return (&(cvs_responses[i]));
}
return (NULL);
}
struct cvs_req *
cvs_remote_get_request_info(const char *request)
{
int i;
for (i = 0; cvs_requests[i].supported != -1; i++) {
if (!strcmp(cvs_requests[i].name, request))
return (&(cvs_requests[i]));
}
return (NULL);
}
void
cvs_remote_output(const char *data)
{
FILE *out;
if (cvs_server_active)
out = stdout;
else
out = current_cvsroot->cr_srvin;
fputs(data, out);
fputs("\n", out);
}
char *
cvs_remote_input(void)
{
FILE *in;
size_t len;
char *data, *ldata;
if (cvs_server_active)
in = stdin;
else
in = current_cvsroot->cr_srvout;
data = fgetln(in, &len);
if (data == NULL) {
if (sig_received != 0)
fatal("received signal %d", sig_received);
if (cvs_server_active) {
cvs_cleanup();
exit(0);
}
fatal("the connection has been closed by the server");
}
if (data[len - 1] == '\n') {
data[len - 1] = '\0';
ldata = xstrdup(data);
} else {
ldata = xmalloc(len + 1);
memcpy(ldata, data, len);
ldata[len] = '\0';
}
if (cvs_server_active == 0 && cvs_client_outlog_fd != -1) {
BUF *bp;
bp = cvs_buf_alloc(strlen(ldata), BUF_AUTOEXT);
if (cvs_buf_append(bp, ldata, strlen(ldata)) < 0)
fatal("cvs_remote_input: cvs_buf_append");
cvs_buf_putc(bp, '\n');
if (cvs_buf_write_fd(bp, cvs_client_outlog_fd) < 0)
fatal("cvs_remote_input: cvs_buf_write_fd");
cvs_buf_free(bp);
}
return (ldata);
}
void
cvs_remote_receive_file(int fd, size_t len)
{
FILE *in;
char data[MAXBSIZE];
size_t nread, nwrite, nleft, toread;
if (cvs_server_active)
in = stdin;
else
in = current_cvsroot->cr_srvout;
nleft = len;
while (nleft > 0) {
toread = MIN(nleft, MAXBSIZE);
nread = fread(data, sizeof(char), toread, in);
if (nread == 0)
fatal("error receiving file");
nwrite = write(fd, data, nread);
if (nwrite != nread)
fatal("failed to write %zu bytes", nread);
if (cvs_server_active == 0 &&
cvs_client_outlog_fd != -1)
(void)write(cvs_client_outlog_fd, data, nread);
nleft -= nread;
}
}
void
cvs_remote_send_file(const char *path)
{
int fd;
FILE *out, *in;
size_t ret, rw;
off_t total;
struct stat st;
char buf[18], data[MAXBSIZE];
if (cvs_server_active)
out = stdout;
else
out = current_cvsroot->cr_srvin;
if ((fd = open(path, O_RDONLY)) == -1)
fatal("cvs_remote_send_file: %s: %s", path, strerror(errno));
if (fstat(fd, &st) == -1)
fatal("cvs_remote_send_file: %s: %s", path, strerror(errno));
cvs_modetostr(st.st_mode, buf, sizeof(buf));
cvs_remote_output(buf);
(void)xsnprintf(buf, sizeof(buf), "%lld", st.st_size);
cvs_remote_output(buf);
if ((in = fdopen(fd, "r")) == NULL)
fatal("cvs_remote_send_file: fdopen %s", strerror(errno));
total = 0;
while ((ret = fread(data, sizeof(char), MAXBSIZE, in)) != 0) {
rw = fwrite(data, sizeof(char), ret, out);
if (rw != ret)
fatal("failed to write %zu bytes", ret);
if (cvs_server_active == 0 && cvs_client_inlog_fd != -1)
(void)write(cvs_client_inlog_fd, data, ret);
total += ret;
}
if (total != st.st_size)
fatal("length mismatch, %lld vs %lld", total, st.st_size);
(void)fclose(in);
}
void
cvs_remote_classify_file(struct cvs_file *cf)
{
struct stat st;
CVSENTRIES *entlist;
entlist = cvs_ent_open(cf->file_wd);
cf->file_ent = cvs_ent_get(entlist, cf->file_name);
cvs_ent_close(entlist, ENT_NOSYNC);
if (cf->file_ent != NULL && cf->file_ent->ce_status != CVS_ENT_REG) {
if (cf->file_ent->ce_status == CVS_ENT_ADDED)
cf->file_status = FILE_ADDED;
else
cf->file_status = FILE_REMOVED;
return;
}
if (cf->file_ent != NULL) {
if (cf->file_ent->ce_type == CVS_ENT_DIR)
cf->file_type = CVS_DIR;
else
cf->file_type = CVS_FILE;
}
if (cf->fd != -1 && cf->file_ent != NULL) {
if (fstat(cf->fd, &st) == -1)
fatal("cvs_remote_classify_file(%s): %s", cf->file_path,
strerror(errno));
if (st.st_mtime != cf->file_ent->ce_mtime)
cf->file_status = FILE_MODIFIED;
else
cf->file_status = FILE_UPTODATE;
} else if (cf->fd == -1) {
cf->file_status = FILE_UNKNOWN;
}
if (cvs_cmdop == CVS_OP_IMPORT && cf->file_type == CVS_FILE)
cf->file_status = FILE_MODIFIED;
}
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