File: [local] / src / usr.bin / cvs / client.c (download)
Revision 1.36, Tue Dec 19 14:11:21 2006 UTC (17 years, 5 months ago) by xsa
Branch: MAIN
Changes since 1.35: +29 -1 lines
add client-side support for Set-static-directory.
|
/* $OpenBSD: client.c,v 1.36 2006/12/19 14:11:21 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 "includes.h"
#include "cvs.h"
#include "log.h"
#include "diff.h"
#include "remote.h"
struct cvs_req cvs_requests[] = {
/* this is what our client will use, the server should support it */
{ "Root", 1, cvs_server_root, REQ_NEEDED },
{ "Valid-responses", 1, cvs_server_validresp, REQ_NEEDED },
{ "valid-requests", 1, cvs_server_validreq, REQ_NEEDED },
{ "Directory", 0, cvs_server_directory, REQ_NEEDED },
{ "Static-directory", 0, cvs_server_static_directory, REQ_NEEDED },
{ "Sticky", 0, cvs_server_sticky, REQ_NEEDED },
{ "Entry", 0, cvs_server_entry, REQ_NEEDED },
{ "Modified", 0, cvs_server_modified, REQ_NEEDED },
{ "UseUnchanged", 0, cvs_server_useunchanged, REQ_NEEDED },
{ "Unchanged", 0, cvs_server_unchanged, REQ_NEEDED },
{ "Questionable", 0, cvs_server_questionable, REQ_NEEDED },
{ "Argument", 0, cvs_server_argument, REQ_NEEDED },
{ "Argumentx", 0, cvs_server_argumentx, REQ_NEEDED },
{ "Global_option", 0, cvs_server_globalopt, REQ_NEEDED },
{ "Set", 0, cvs_server_set, REQ_NEEDED },
/*
* used to tell the server what is going on in our
* working copy, unsupported until we are told otherwise
*/
{ "Max-dotdot", 0, NULL, 0 },
{ "Checkin-prog", 0, NULL, 0 },
{ "Update-prog", 0, NULL, 0 },
{ "Kopt", 0, NULL, 0 },
{ "Checkin-time", 0, NULL, 0 },
{ "Is-modified", 0, NULL, 0 },
{ "Notify", 0, NULL, 0 },
{ "Case", 0, NULL, 0 },
{ "Gzip-stream", 0, NULL, 0 },
{ "wrapper-sendme-rcsOptions", 0, NULL, 0 },
{ "Kerberos-encrypt", 0, NULL, 0 },
{ "Gssapi-encrypt", 0, NULL, 0 },
{ "Gssapi-authenticate", 0, NULL, 0 },
{ "expand-modules", 0, NULL, 0 },
/* commands that might be supported */
{ "ci", 0, cvs_server_commit, 0 },
{ "co", 0, NULL, 0 },
{ "update", 0, cvs_server_update, 0 },
{ "diff", 0, cvs_server_diff, 0 },
{ "log", 0, cvs_server_log, 0 },
{ "rlog", 0, NULL, 0 },
{ "add", 0, cvs_server_add, 0 },
{ "remove", 0, cvs_server_remove, 0 },
{ "update-patches", 0, cvs_server_update_patches, 0 },
{ "gzip-file-contents", 0, NULL, 0 },
{ "status", 0, cvs_server_status, 0 },
{ "rdiff", 0, NULL, 0 },
{ "tag", 0, cvs_server_tag, 0 },
{ "rtag", 0, NULL, 0 },
{ "import", 0, NULL, 0 },
{ "admin", 0, cvs_server_admin, 0 },
{ "export", 0, NULL, 0 },
{ "history", 0, NULL, 0 },
{ "release", 0, NULL, 0 },
{ "watch-on", 0, NULL, 0 },
{ "watch-off", 0, NULL, 0 },
{ "watch-add", 0, NULL, 0 },
{ "watch-remove", 0, NULL, 0 },
{ "watchers", 0, NULL, 0 },
{ "editors", 0, NULL, 0 },
{ "init", 0, cvs_server_init, 0 },
{ "annotate", 0, cvs_server_annotate, 0 },
{ "rannotate", 0, NULL, 0 },
{ "noop", 0, NULL, 0 },
{ "version", 0, cvs_server_version, 0 },
{ "", -1, NULL, 0 }
};
static void client_check_directory(char *);
static char *client_get_supported_responses(void);
static char *lastdir = NULL;
static int end_of_response = 0;
static void cvs_client_initlog(void);
/*
* File descriptors for protocol logging when the CVS_CLIENT_LOG environment
* variable is set.
*/
static int cvs_client_logon = 0;
static int cvs_client_inlog_fd = -1;
static int cvs_client_outlog_fd = -1;
static char *
client_get_supported_responses(void)
{
BUF *bp;
char *d;
int i, first;
first = 0;
bp = cvs_buf_alloc(512, BUF_AUTOEXT);
for (i = 0; cvs_responses[i].supported != -1; i++) {
if (cvs_responses[i].hdlr == NULL)
continue;
if (first != 0)
cvs_buf_append(bp, " ", 1);
else
first++;
cvs_buf_append(bp, cvs_responses[i].name,
strlen(cvs_responses[i].name));
}
cvs_buf_putc(bp, '\0');
d = cvs_buf_release(bp);
return (d);
}
static void
client_check_directory(char *data)
{
int l;
CVSENTRIES *entlist;
char *entry, *parent, *base;
STRIP_SLASH(data);
cvs_mkpath(data);
if ((base = basename(data)) == NULL)
fatal("client_check_directory: overflow");
if ((parent = dirname(data)) == NULL)
fatal("client_check_directory: overflow");
if (!strcmp(parent, "."))
return;
entry = xmalloc(CVS_ENT_MAXLINELEN);
l = snprintf(entry, CVS_ENT_MAXLINELEN, "D/%s////", base);
if (l == -1 || l >= CVS_ENT_MAXLINELEN)
fatal("client_check_directory: overflow");
entlist = cvs_ent_open(parent);
cvs_ent_add(entlist, entry);
cvs_ent_close(entlist, ENT_SYNC);
xfree(entry);
}
void
cvs_client_connect_to_server(void)
{
struct cvs_var *vp;
char *cmd, *argv[9], *resp;
int ifd[2], ofd[2], argc;
switch (current_cvsroot->cr_method) {
case CVS_METHOD_PSERVER:
case CVS_METHOD_KSERVER:
case CVS_METHOD_GSERVER:
case CVS_METHOD_FORK:
case CVS_METHOD_EXT:
fatal("the specified connection method is not supported");
default:
break;
}
if (pipe(ifd) == -1)
fatal("cvs_client_connect: %s", strerror(errno));
if (pipe(ofd) == -1)
fatal("cvs_client_connect: %s", strerror(errno));
switch (fork()) {
case -1:
fatal("cvs_client_connect: fork failed: %s", strerror(errno));
case 0:
if (dup2(ifd[0], STDIN_FILENO) == -1)
fatal("cvs_client_connect: %s", strerror(errno));
if (dup2(ofd[1], STDOUT_FILENO) == -1)
fatal("cvs_client_connect: %s", strerror(errno));
close(ifd[1]);
close(ofd[0]);
if ((cmd = getenv("CVS_SERVER")) == NULL)
cmd = CVS_SERVER_DEFAULT;
argc = 0;
argv[argc++] = cvs_rsh;
if (current_cvsroot->cr_user != NULL) {
argv[argc++] = "-l";
argv[argc++] = current_cvsroot->cr_user;
}
argv[argc++] = current_cvsroot->cr_host;
argv[argc++] = cmd;
argv[argc++] = "server";
argv[argc] = NULL;
cvs_log(LP_TRACE, "connecting to server %s",
current_cvsroot->cr_host);
execvp(argv[0], argv);
fatal("cvs_client_connect: failed to execute cvs server");
default:
break;
}
close(ifd[0]);
close(ofd[1]);
if ((current_cvsroot->cr_srvin = fdopen(ifd[1], "w")) == NULL)
fatal("cvs_client_connect: %s", strerror(errno));
if ((current_cvsroot->cr_srvout = fdopen(ofd[0], "r")) == NULL)
fatal("cvs_client_connect: %s", strerror(errno));
setvbuf(current_cvsroot->cr_srvin, NULL,_IOLBF, 0);
setvbuf(current_cvsroot->cr_srvout, NULL, _IOLBF, 0);
cvs_client_initlog();
if (cvs_cmdop != CVS_OP_INIT)
cvs_client_send_request("Root %s", current_cvsroot->cr_dir);
resp = client_get_supported_responses();
cvs_client_send_request("Valid-responses %s", resp);
xfree(resp);
cvs_client_send_request("valid-requests");
cvs_client_get_responses();
cvs_client_send_request("UseUnchanged");
if (cvs_nolog == 1)
cvs_client_send_request("Global_option -l");
if (cvs_noexec == 1)
cvs_client_send_request("Global_option -n");
if (verbosity == 0)
cvs_client_send_request("Global_option -Q");
/* Be quiet. This is the default in OpenCVS. */
cvs_client_send_request("Global_option -q");
if (cvs_readonly == 1)
cvs_client_send_request("Global_option -r");
if (cvs_trace == 1)
cvs_client_send_request("Global_option -t");
if (verbosity == 2)
cvs_client_send_request("Global_option -V");
/* XXX: If 'Set' is supported? */
TAILQ_FOREACH(vp, &cvs_variables, cv_link)
cvs_client_send_request("Set %s=%s", vp->cv_name, vp->cv_val);
}
void
cvs_client_send_request(char *fmt, ...)
{
va_list ap;
char *data, *s;
struct cvs_req *req;
va_start(ap, fmt);
vasprintf(&data, fmt, ap);
va_end(ap);
if ((s = strchr(data, ' ')) != NULL)
*s = '\0';
req = cvs_remote_get_request_info(data);
if (req == NULL)
fatal("'%s' is an unknown request", data);
if (req->supported != 1)
fatal("remote cvs server does not support '%s'", data);
if (s != NULL)
*s = ' ';
cvs_log(LP_TRACE, "%s", data);
if (cvs_client_inlog_fd != -1) {
BUF *bp;
bp = cvs_buf_alloc(strlen(data), BUF_AUTOEXT);
if (cvs_buf_append(bp, data, strlen(data)) < 0)
fatal("cvs_client_send_request: cvs_buf_append");
cvs_buf_putc(bp, '\n');
if (cvs_buf_write_fd(bp, cvs_client_inlog_fd) < 0)
fatal("cvs_client_send_request: cvs_buf_write_fd");
cvs_buf_free(bp);
}
cvs_remote_output(data);
xfree(data);
}
void
cvs_client_read_response(void)
{
char *cmd, *data;
struct cvs_resp *resp;
cmd = cvs_remote_input();
if ((data = strchr(cmd, ' ')) != NULL)
(*data++) = '\0';
resp = cvs_remote_get_response_info(cmd);
if (resp == NULL)
fatal("response '%s' is not supported by our client", cmd);
if (resp->hdlr == NULL)
fatal("opencvs client does not support '%s'", cmd);
if (cvs_client_outlog_fd != -1) {
BUF *bp;
bp = cvs_buf_alloc(strlen(cmd), BUF_AUTOEXT);
if (cvs_buf_append(bp, cmd, strlen(cmd)) < 0)
fatal("cvs_client_read_response: cvs_buf_append");
if (cvs_buf_append(bp,
(data == NULL) ? "" : " ",
(data == NULL) ? 0 : 1) < 0) {
fatal("cvs_client_read_response: cvs_buf_append");
}
if (cvs_buf_append(bp,
(data == NULL) ? "" : data,
(data == NULL) ? 0 : strlen(data)) < 0) {
fatal("cvs_client_read_response: cvs_buf_append");
}
cvs_buf_putc(bp, '\n');
if (cvs_buf_write_fd(bp, cvs_client_outlog_fd) < 0)
fatal("cvs_client_read_response: cvs_buf_write_fd");
cvs_buf_free(bp);
}
(*resp->hdlr)(data);
xfree(cmd);
}
void
cvs_client_get_responses(void)
{
while (end_of_response != 1)
cvs_client_read_response();
end_of_response = 0;
}
void
cvs_client_senddir(const char *dir)
{
struct stat st;
int nb;
char *d, *date, *fpath, *repo, *tag;
d = NULL;
if (lastdir != NULL && !strcmp(dir, lastdir))
return;
repo = xmalloc(MAXPATHLEN);
cvs_get_repository_path(dir, repo, MAXPATHLEN);
cvs_client_send_request("Directory %s\n%s", dir, repo);
xfree(repo);
fpath = xmalloc(MAXPATHLEN);
if (cvs_path_cat(dir, CVS_PATH_STATICENTRIES, fpath, MAXPATHLEN) >=
MAXPATHLEN)
fatal("cvs_client_senddir: truncation");
if (stat(fpath, &st) == 0 && (st.st_mode & (S_IRUSR|S_IRGRP|S_IROTH)))
cvs_client_send_request("Static-directory");
xfree(fpath);
d = xstrdup(dir);
cvs_parse_tagfile(d, &tag, &date, &nb);
if (tag != NULL || date != NULL) {
char buf[128];
if (tag != NULL && nb != NULL) {
if (strlcpy(buf, "N", sizeof(buf)) >= sizeof(buf))
fatal("cvs_client_senddir: truncation");
} else if (tag != NULL) {
if (strlcpy(buf, "T", sizeof(buf)) >= sizeof(buf))
fatal("cvs_client_senddir: truncation");
} else {
if (strlcpy(buf, "D", sizeof(buf)) >= sizeof(buf))
fatal("cvs_client_senddir: truncation");
}
if (strlcat(buf, tag ? tag : date, sizeof(buf)) >= sizeof(buf))
fatal("cvs_client_senddir: truncation");
cvs_client_send_request("Sticky %s", buf);
if (tag != NULL)
xfree(tag);
if (date != NULL)
xfree(date);
}
if (d != NULL)
xfree(d);
if (lastdir != NULL)
xfree(lastdir);
lastdir = xstrdup(dir);
}
void
cvs_client_sendfile(struct cvs_file *cf)
{
int l;
size_t len;
char rev[16], timebuf[64], sticky[32];
if (cf->file_type != CVS_FILE)
return;
cvs_client_senddir(cf->file_wd);
cvs_remote_classify_file(cf);
if (cf->file_type == CVS_DIR)
return;
if (cf->file_ent != NULL) {
if (cf->file_status == FILE_ADDED) {
len = strlcpy(rev, "0", sizeof(rev));
if (len >= sizeof(rev))
fatal("cvs_client_sendfile: truncation");
len = strlcpy(timebuf, "Initial ", sizeof(timebuf));
if (len >= sizeof(timebuf))
fatal("cvs_client_sendfile: truncation");
len = strlcat(timebuf, cf->file_name, sizeof(timebuf));
if (len >= sizeof(timebuf))
fatal("cvs_client_sendfile: truncation");
} else {
rcsnum_tostr(cf->file_ent->ce_rev, rev, sizeof(rev));
ctime_r(&cf->file_ent->ce_mtime, timebuf);
}
if (cf->file_ent->ce_conflict == NULL) {
if (timebuf[strlen(timebuf) - 1] == '\n')
timebuf[strlen(timebuf) - 1] = '\0';
} else {
len = strlcpy(timebuf, cf->file_ent->ce_conflict,
sizeof(timebuf));
if (len >= sizeof(timebuf))
fatal("cvs_client_sendfile: truncation");
}
sticky[0] = '\0';
if (cf->file_ent->ce_tag != NULL) {
l = snprintf(sticky, sizeof(sticky), "T%s",
cf->file_ent->ce_tag);
if (l == -1 || l >= (int)sizeof(sticky))
fatal("cvs_client_sendfile: overflow");
}
cvs_client_send_request("Entry /%s/%s%s/%s//%s",
cf->file_name, (cf->file_status == FILE_REMOVED) ? "-" : "",
rev, timebuf, sticky);
}
switch (cf->file_status) {
case FILE_UNKNOWN:
if (cf->fd != -1)
cvs_client_send_request("Questionable %s",
cf->file_name);
break;
case FILE_ADDED:
case FILE_MODIFIED:
cvs_client_send_request("Modified %s", cf->file_name);
cvs_remote_send_file(cf->file_path);
break;
case FILE_UPTODATE:
cvs_client_send_request("Unchanged %s", cf->file_name);
break;
}
}
void
cvs_client_send_files(char **argv, int argc)
{
int i;
for (i = 0; i < argc; i++)
cvs_client_send_request("Argument %s", argv[i]);
}
void
cvs_client_ok(char *data)
{
end_of_response = 1;
}
void
cvs_client_error(char *data)
{
end_of_response = 1;
}
void
cvs_client_validreq(char *data)
{
int i;
char *sp, *ep;
struct cvs_req *req;
sp = data;
do {
if ((ep = strchr(sp, ' ')) != NULL)
*ep = '\0';
req = cvs_remote_get_request_info(sp);
if (req != NULL)
req->supported = 1;
if (ep != NULL)
sp = ep + 1;
} while (ep != NULL);
for (i = 0; cvs_requests[i].supported != -1; i++) {
req = &cvs_requests[i];
if ((req->flags & REQ_NEEDED) &&
req->supported != 1) {
fatal("server does not support required '%s'",
req->name);
}
}
}
void
cvs_client_e(char *data)
{
cvs_printf("%s\n", data);
}
void
cvs_client_m(char *data)
{
cvs_printf("%s\n", data);
}
void
cvs_client_checkedin(char *data)
{
int l;
CVSENTRIES *entlist;
struct cvs_ent *ent, *newent;
char *dir, *entry, rev[16], timebuf[64], sticky[16];
dir = cvs_remote_input();
entry = cvs_remote_input();
xfree(dir);
entlist = cvs_ent_open(data);
newent = cvs_ent_parse(entry);
ent = cvs_ent_get(entlist, newent->ce_name);
xfree(entry);
entry = xmalloc(CVS_ENT_MAXLINELEN);
rcsnum_tostr(newent->ce_rev, rev, sizeof(rev));
ctime_r(&ent->ce_mtime, timebuf);
if (timebuf[strlen(timebuf) - 1] == '\n')
timebuf[strlen(timebuf) - 1] = '\0';
sticky[0] = '\0';
if (ent->ce_tag != NULL) {
l = snprintf(sticky, sizeof(sticky), "T%s", ent->ce_tag);
if (l == -1 || l >= (int)sizeof(sticky))
fatal("cvs_client_checkedin: overflow");
}
l = snprintf(entry, CVS_ENT_MAXLINELEN, "/%s/%s/%s//%s/",
newent->ce_name, rev, timebuf, sticky);
if (l == -1 || l >= CVS_ENT_MAXLINELEN)
fatal("cvs_client_checkedin: overflow");
cvs_ent_free(ent);
cvs_ent_free(newent);
cvs_ent_add(entlist, entry);
cvs_ent_close(entlist, ENT_SYNC);
xfree(entry);
}
void
cvs_client_updated(char *data)
{
BUF *bp;
int l, fd;
time_t now;
mode_t fmode;
size_t flen;
CVSENTRIES *ent;
struct cvs_ent *e;
const char *errstr;
struct timeval tv[2];
char timebuf[32], *repo, *rpath, *entry, *mode;
char revbuf[32], *len, *fpath, *wdir;
client_check_directory(data);
rpath = cvs_remote_input();
entry = cvs_remote_input();
mode = cvs_remote_input();
len = cvs_remote_input();
repo = xmalloc(MAXPATHLEN);
cvs_get_repository_path(".", repo, MAXPATHLEN);
if (strlen(repo) + 1 > strlen(rpath))
fatal("received a repository path that is too short");
fpath = rpath + strlen(repo) + 1;
if ((wdir = dirname(fpath)) == NULL)
fatal("cvs_client_updated: dirname: %s", strerror(errno));
xfree(repo);
flen = strtonum(len, 0, INT_MAX, &errstr);
if (errstr != NULL)
fatal("cvs_client_updated: %s: %s", len, errstr);
xfree(len);
cvs_strtomode(mode, &fmode);
xfree(mode);
time(&now);
now = cvs_hack_time(now, 0);
ctime_r(&now, timebuf);
if (timebuf[strlen(timebuf) - 1] == '\n')
timebuf[strlen(timebuf) - 1] = '\0';
e = cvs_ent_parse(entry);
xfree(entry);
rcsnum_tostr(e->ce_rev, revbuf, sizeof(revbuf));
entry = xmalloc(CVS_ENT_MAXLINELEN);
l = snprintf(entry, CVS_ENT_MAXLINELEN, "/%s/%s/%s//", e->ce_name,
revbuf, timebuf);
if (l == -1 || l >= CVS_ENT_MAXLINELEN)
fatal("cvs_client_updated: overflow");
cvs_ent_free(e);
ent = cvs_ent_open(wdir);
cvs_ent_add(ent, entry);
cvs_ent_close(ent, ENT_SYNC);
xfree(entry);
bp = cvs_remote_receive_file(flen);
if ((fd = open(fpath, O_CREAT | O_WRONLY | O_TRUNC)) == -1)
fatal("cvs_client_updated: open: %s: %s",
fpath, strerror(errno));
if (cvs_buf_write_fd(bp, fd) == -1)
fatal("cvs_client_updated: cvs_buf_write_fd failed for %s",
fpath);
cvs_buf_free(bp);
now = cvs_hack_time(now, 0);
tv[0].tv_sec = now;
tv[0].tv_usec = 0;
tv[1] = tv[0];
if (futimes(fd, tv) == -1)
fatal("cvs_client_updated: futimes: %s", strerror(errno));
if (fchmod(fd, fmode) == -1)
fatal("cvs_client_updated: fchmod: %s", strerror(errno));
(void)close(fd);
xfree(rpath);
}
void
cvs_client_merged(char *data)
{
}
void
cvs_client_removed(char *data)
{
char *dir;
dir = cvs_remote_input();
xfree(dir);
}
void
cvs_client_remove_entry(char *data)
{
char *dir;
dir = cvs_remote_input();
xfree(dir);
}
void
cvs_client_set_static_directory(char *data)
{
FILE *fp;
char *dir, *fpath;
if (cvs_cmdop == CVS_OP_EXPORT)
return;
STRIP_SLASH(data);
dir = cvs_remote_input();
xfree(dir);
fpath = xmalloc(MAXPATHLEN);
if (cvs_path_cat(data, CVS_PATH_STATICENTRIES, fpath, MAXPATHLEN) >=
MAXPATHLEN)
fatal("cvs_client_set_static_directory: truncation");
if ((fp = fopen(fpath, "w+")) == NULL) {
cvs_log(LP_ERRNO, "%s", fpath);
goto out;
}
(void)fclose(fp);
out:
xfree(fpath);
}
void
cvs_client_clear_static_directory(char *data)
{
char *dir, *fpath;
if (cvs_cmdop == CVS_OP_EXPORT)
return;
STRIP_SLASH(data);
dir = cvs_remote_input();
xfree(dir);
fpath = xmalloc(MAXPATHLEN);
if (cvs_path_cat(data, CVS_PATH_STATICENTRIES, fpath, MAXPATHLEN) >=
MAXPATHLEN)
fatal("cvs_client_clear_static_directory: truncation");
(void)cvs_unlink(fpath);
xfree(fpath);
}
void
cvs_client_set_sticky(char *data)
{
FILE *fp;
char *dir, *tag, *tagpath;
STRIP_SLASH(data);
dir = cvs_remote_input();
xfree(dir);
tag = cvs_remote_input();
tagpath = xmalloc(MAXPATHLEN);
if (cvs_path_cat(data, CVS_PATH_TAG, tagpath, MAXPATHLEN) >= MAXPATHLEN)
fatal("cvs_client_clear_sticky: truncation");
if ((fp = fopen(tagpath, "w+")) == NULL) {
cvs_log(LP_ERRNO, "%s", tagpath);
goto out;
}
(void)fprintf(fp, "%s\n", tag);
(void)fclose(fp);
out:
xfree(tagpath);
xfree(tag);
}
void
cvs_client_clear_sticky(char *data)
{
char *dir, *tagpath;
STRIP_SLASH(data);
dir = cvs_remote_input();
xfree(dir);
tagpath = xmalloc(MAXPATHLEN);
if (cvs_path_cat(data, CVS_PATH_TAG, tagpath, MAXPATHLEN) >= MAXPATHLEN)
fatal("cvs_client_clear_sticky: truncation");
(void)cvs_unlink(tagpath);
xfree(tagpath);
}
/*
* cvs_client_initlog()
*
* Initialize protocol logging if the CVS_CLIENT_LOG environment variable is
* set. In this case, the variable's value is used as a path to which the
* appropriate suffix is added (".in" for client input and ".out" for server
* output).
*/
static void
cvs_client_initlog(void)
{
int l;
u_int i;
char *env, *envdup, buf[MAXPATHLEN], fpath[MAXPATHLEN];
char rpath[MAXPATHLEN], *s;
struct stat st;
time_t now;
struct passwd *pwd;
/* avoid doing it more than once */
if (cvs_client_logon)
return;
if ((env = getenv("CVS_CLIENT_LOG")) == NULL)
return;
envdup = xstrdup(env);
if ((s = strchr(envdup, '%')) != NULL)
*s = '\0';
if (strlcpy(buf, env, sizeof(buf)) >= sizeof(buf))
fatal("cvs_client_initlog: truncation");
if (strlcpy(rpath, envdup, sizeof(rpath)) >= sizeof(rpath))
fatal("cvs_client_initlog: truncation");
xfree(envdup);
s = buf;
while ((s = strchr(s, '%')) != NULL) {
s++;
switch (*s) {
case 'c':
if (strlcpy(fpath, cvs_command, sizeof(fpath)) >=
sizeof(fpath))
fatal("cvs_client_initlog: truncation");
break;
case 'd':
time(&now);
if (strlcpy(fpath, ctime(&now), sizeof(fpath)) >=
sizeof(fpath))
fatal("cvs_client_initlog: truncation");
break;
case 'p':
snprintf(fpath, sizeof(fpath), "%d", getpid());
break;
case 'u':
if ((pwd = getpwuid(getuid())) != NULL) {
if (strlcpy(fpath, pwd->pw_name,
sizeof(fpath)) >= sizeof(fpath))
fatal("cvs_client_initlog: truncation");
} else {
fpath[0] = '\0';
}
endpwent();
break;
default:
fpath[0] = '\0';
break;
}
if (fpath[0] != '\0') {
if (strlcat(rpath, "-", sizeof(rpath)) >= sizeof(rpath))
fatal("cvs_client_initlog: truncation");
if (strlcat(rpath, fpath, sizeof(rpath))
>= sizeof(rpath))
fatal("cvs_client_initlog: truncation");
}
}
for (i = 0; i < UINT_MAX; i++) {
l = snprintf(fpath, sizeof(fpath), "%s-%d.in", rpath, i);
if (l == -1 || l >= (int)sizeof(fpath))
fatal("cvs_client_initlog: overflow");
if (stat(fpath, &st) != -1)
continue;
if (errno != ENOENT)
fatal("cvs_client_initlog() stat failed '%s'",
strerror(errno));
break;
}
if ((cvs_client_inlog_fd = open(fpath,
O_RDWR | O_CREAT | O_TRUNC, 0644)) == NULL) {
fatal("cvs_client_initlog: open `%s': %s",
fpath, strerror(errno));
}
for (i = 0; i < UINT_MAX; i++) {
l = snprintf(fpath, sizeof(fpath), "%s-%d.out", rpath, i);
if (l == -1 || l >= (int)sizeof(fpath))
fatal("cvs_client_initlog: overflow");
if (stat(fpath, &st) != -1)
continue;
if (errno != ENOENT)
fatal("cvs_client_initlog() stat failed '%s'",
strerror(errno));
break;
}
if ((cvs_client_outlog_fd = open(fpath,
O_RDWR | O_CREAT | O_TRUNC, 0644)) == NULL) {
fatal("cvs_client_initlog: open `%s': %s",
fpath, strerror(errno));
}
cvs_client_logon = 1;
}