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/* $OpenBSD: cmd.c,v 1.33 2005/07/26 16:03:20 xsa Exp $ */
/*
* Copyright (c) 2005 Joris Vink <joris@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/queue.h>
#include <sys/time.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "cvs.h"
#include "log.h"
#include "proto.h"
/*
* Command dispatch table
* ----------------------
*
* The synopsis field should only contain the list of arguments that the
* command supports, without the actual command's name.
*
* Command handlers are expected to return 0 if no error occurred, or one of
* the CVS_EX_* error codes in case of an error. In case the error
* returned is 1, the command's usage string is printed to standard
* error before returning.
*/
struct cvs_cmd *cvs_cdt[] = {
&cvs_cmd_add,
&cvs_cmd_admin,
&cvs_cmd_annotate,
&cvs_cmd_checkout,
&cvs_cmd_commit,
&cvs_cmd_diff,
&cvs_cmd_edit,
&cvs_cmd_editors,
&cvs_cmd_export,
&cvs_cmd_history,
&cvs_cmd_import,
&cvs_cmd_init,
#if defined(HAVE_KERBEROS)
&cvs_cmd_kserver,
#endif
&cvs_cmd_log,
#if 0
&cvs_cmd_login,
&cvs_cmd_logout,
#endif
&cvs_cmd_rdiff,
&cvs_cmd_release,
&cvs_cmd_remove,
&cvs_cmd_rlog,
&cvs_cmd_rtag,
&cvs_cmd_server,
&cvs_cmd_status,
&cvs_cmd_tag,
&cvs_cmd_unedit,
&cvs_cmd_update,
&cvs_cmd_version,
&cvs_cmd_watch,
&cvs_cmd_watchers,
NULL
};
/*
* cvs_findcmd()
*
* Find the entry in the command dispatch table whose name or one of its
* aliases matches <cmd>.
* Returns a pointer to the command entry on success, NULL on failure.
*/
struct cvs_cmd *
cvs_findcmd(const char *cmd)
{
int i, j;
struct cvs_cmd *cmdp;
cmdp = NULL;
for (i = 0; (cvs_cdt[i] != NULL) && (cmdp == NULL); i++) {
if (strcmp(cmd, cvs_cdt[i]->cmd_name) == 0)
cmdp = cvs_cdt[i];
else {
for (j = 0; j < CVS_CMD_MAXALIAS; j++) {
if (strcmp(cmd,
cvs_cdt[i]->cmd_alias[j]) == 0) {
cmdp = cvs_cdt[i];
break;
}
}
}
}
return (cmdp);
}
struct cvs_cmd *
cvs_findcmdbyreq(int reqid)
{
int i;
struct cvs_cmd *cmdp;
cmdp = NULL;
for (i = 0; cvs_cdt[i] != NULL; i++)
if (cvs_cdt[i]->cmd_req == reqid) {
cmdp = cvs_cdt[i];
break;
}
return (cmdp);
}
/*
* start the execution of a command.
*/
int
cvs_startcmd(struct cvs_cmd *cmd, int argc, char **argv)
{
int i;
int ret;
struct cvsroot *root;
int (*ex_hdlr)(CVSFILE *, void *);
CVSFILE *cf;
/* if the command requested is the server one, just call the
* cvs_server() function to handle it, and return after it.
*/
if (cmd->cmd_op == CVS_OP_SERVER)
return cvs_server(argc, argv);
if ((root = cvsroot_get(".")) == NULL)
return (CVS_EX_BADROOT);
i = 1;
if (cmd->cmd_init != NULL) {
if ((ret = (*cmd->cmd_init)(cmd, argc, argv, &i)) != 0)
return (ret);
}
argc -= i;
argv += i;
if (!(cmd->cmd_flags & CVS_CMD_ALLOWSPEC) && (argc > 0))
return (CVS_EX_USAGE);
cvs_log(LP_TRACE, "cvs_startcmd() CVSROOT=%s", root->cr_str);
if ((root->cr_method != CVS_METHOD_LOCAL) && (cvs_connect(root) < 0))
return (CVS_EX_PROTO);
if (cmd->cmd_pre_exec != NULL) {
if ((ret = cmd->cmd_pre_exec(root)) != 0)
return (ret);
}
if (root->cr_method == CVS_METHOD_LOCAL)
ex_hdlr = cmd->cmd_exec_local;
else
ex_hdlr = cmd->cmd_exec_remote;
if (argc > 0) {
ret = cvs_file_getspec(argv, argc, cmd->file_flags,
ex_hdlr, NULL, NULL);
} else {
ret = cvs_file_get(".", cmd->file_flags,
ex_hdlr, NULL, NULL);
}
if (ret != CVS_EX_OK)
return (cvs_error);
if (cmd->cmd_post_exec != NULL) {
if ((ret = cmd->cmd_post_exec(root)) != 0)
return (ret);
}
if (root->cr_method != CVS_METHOD_LOCAL) {
/*
* If we have to send the directory the command
* has been issued in, obtain it.
*/
if (cmd->cmd_flags & CVS_CMD_SENDDIR) {
cf = cvs_file_loadinfo(".", CF_NOFILES, NULL, NULL, 1);
if (cf == NULL)
return (CVS_EX_DATA);
if (cvs_senddir(root, cf) < 0) {
cvs_file_free(cf);
return (CVS_EX_PROTO);
}
cvs_file_free(cf);
}
if (cmd->cmd_flags & CVS_CMD_SENDARGS2) {
for (i = 0; i < argc; i++) {
if (cvs_sendarg(root, argv[i], 0) < 0)
return (CVS_EX_PROTO);
}
}
if (cmd->cmd_req != CVS_REQ_NONE &&
cvs_sendreq(root, cmd->cmd_req,
(cmd->cmd_op == CVS_OP_INIT) ? root->cr_dir : NULL) < 0)
return (CVS_EX_PROTO);
}
if (cmd->cmd_cleanup != NULL)
(*cmd->cmd_cleanup)();
#if 0
if (cvs_cmdop != CVS_OP_SERVER && cmd->cmd_flags & CVS_CMD_PRUNEDIRS)
cvs_file_prune(fpath);
#endif
if (root->cr_method != CVS_METHOD_LOCAL)
cvs_disconnect(root);
return (0);
}
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