/********************************************************************
* FUNCTION conf_parse_from_filespec
*
* Parse a file as an NCX text config file against
* a specific parmset definition. Fill in an
* initialized parmset (and could be partially filled in)
*
* Error messages are printed by this function!!
*
* If a value is already set, and only one value is allowed
* then the 'keepvals' parameter will control whether that
* value will be kept or overwitten
*
* INPUTS:
* filespec == absolute path or relative path
* This string is used as-is without adjustment.
* val == value struct to fill in, must be initialized
* already with val_new_value or val_init_value
* keepvals == TRUE if old values should always be kept
* FALSE if old vals should be overwritten
* fileerr == TRUE to generate a missing file error
* FALSE to return NO_ERR instead, if file not found
*
* RETURNS:
* status of the operation
*********************************************************************/
status_t
conf_parse_val_from_filespec (const xmlChar *filespec,
val_value_t *val,
boolean keepvals,
boolean fileerr)
{
tk_chain_t *tkc;
FILE *fp;
xmlChar *sourcespec;
status_t res;
#ifdef DEBUG
if (!filespec || !val) {
return SET_ERROR(ERR_INTERNAL_PTR);
}
#endif
if (*filespec == 0) {
log_error("\nError: no config file name specified");
return ERR_NCX_INVALID_VALUE;
}
res = NO_ERR;
sourcespec = ncx_get_source(filespec, &res);
if (!sourcespec) {
return res;
}
fp = fopen((const char *)sourcespec, "r");
if (!fp) {
m__free(sourcespec);
if (fileerr) {
log_error("\nError: config file '%s' could not be opened",
filespec);
return ERR_FIL_OPEN;
} else {
return NO_ERR;
}
}
if (LOGINFO) {
log_info("\nLoading CLI parameters from '%s'", sourcespec);
}
m__free(sourcespec);
sourcespec = NULL;
/* get a new token chain */
res = NO_ERR;
tkc = tk_new_chain();
if (!tkc) {
res = ERR_INTERNAL_MEM;
ncx_print_errormsg(NULL, NULL, res);
fclose(fp);
return res;
}
/* else setup the token chain and parse this config file */
tk_setup_chain_conf(tkc, fp, filespec);
res = tk_tokenize_input(tkc, NULL);
#ifdef CONF_TK_DEBUG
if (LOGDEBUG3) {
tk_dump_chain(tkc);
}
#endif
if (res == NO_ERR) {
res = parse_top(tkc, val, keepvals);
}
fclose(fp);
tkc->fp = NULL;
tk_free_chain(tkc);
if (res != NO_ERR) {
log_error("\nError: invalid .conf file '%s' (%s)",
filespec,
get_error_string(res));
}
return res;
} /* conf_parse_val_from_filespec */
/********************************************************************
* FUNCTION handle_config_input
* (config mode input received)
*
* e.g.,
* nacm
* interface eth0
* interface eth0 mtu 1500
*
* INPUTS:
* server_cb == server control block to use
* session_cb == session control block to use
* line == CLI input in progress; this line is passed to the
* tk_parse functions which expects non-const ptr
*
* RETURNS:
* status
*********************************************************************/
status_t
handle_config_input (server_cb_t *server_cb,
session_cb_t *session_cb,
xmlChar *line)
{
if (LOGDEBUG2) {
log_debug2("\nconfig mode input for line '%s'\n", line);
}
/* get a token chain and parse the line of input into tokens */
tk_chain_t *tkc = tk_new_chain();
if (tkc == NULL) {
log_error("\nError: could not malloc token chain\n");
return ERR_INTERNAL_MEM;
}
tk_setup_chain_cli(tkc, line);
status_t res = tk_tokenize_input(tkc, NULL);
if (res != NO_ERR) {
tk_free_chain(tkc);
return res;
}
/* check the number of tokens parsed */
uint32 tkcount = tk_token_count(tkc);
if (LOGDEBUG2) {
log_debug2("\nconfig token count: %u", tkcount);
}
if (tkcount == 0) {
tk_free_chain(tkc);
return NO_ERR;
}
obj_template_t *startobj = session_cb->config_curobj;
val_value_t *startval = session_cb->config_curval;
val_value_t *startroot = session_cb->config_etree;
val_value_t *starteval = session_cb->config_ecurval;
session_cb->config_no_active = FALSE;
session_cb->config_estartval = starteval;
session_cb->config_firstnew = NULL;
boolean gotleafys = FALSE;
boolean gotexit = FALSE;
boolean gotapply = FALSE;
boolean gotdo = FALSE;
boolean done = FALSE;
while (!done && res == NO_ERR) {
/* parse nodes and possibly keys until a value node or the end
* of the token chain is reached */
res = parse_node(tkc, session_cb, &done, &gotexit, &gotapply, &gotdo);
obj_template_t *obj = session_cb->config_curobj;
if (res == NO_ERR && done && !gotdo && !gotexit && !gotapply && obj &&
obj_is_leafy(obj)) {
/* get the next node as a value node */
res = parse_value(session_cb, tkc);
gotleafys = TRUE;
if (tk_next_typ(tkc) != TK_TT_NONE) {
res = ERR_NCX_EXTRA_NODE;
log_error("\nError: unexpected input at end of line\n");
}
if (res == NO_ERR && !session_cb->config_no_active) {
if (obj->parent && !obj_is_root(obj->parent)) {
session_cb->config_curobj = obj->parent;
} else {
session_cb->config_curobj = NULL;
}
/* reset to parent of the leaf just parsed */
session_cb->config_ecurval = session_cb->config_ecurval->parent;
}
}
}
/* check exit conditions */
if (res != NO_ERR || done || gotexit || gotapply || gotdo) {
if (res == NO_ERR && gotexit) {
res = process_exit(server_cb, session_cb);
if (res == NO_ERR) {
res = set_config_path(session_cb);
}
} else if (res == NO_ERR && gotapply) {
if (session_cb->config_curobj &&
dlq_empty(&session_cb->config_editQ) &&
session_cb->config_edit_mode != CFG_EDITMODE_LINE) {
/* add an edit just because the user entered a
* sub-mode and then invoked apply
*/
res = add_edit(session_cb);
}
clear_current_level(session_cb);
if (res == NO_ERR) {
res = process_apply(server_cb, session_cb);
}
} else if (res == NO_ERR && gotdo) {
res = process_do_command(server_cb, session_cb, tkc, line);
} else if (res == NO_ERR && done) {
res = process_line_done(server_cb, session_cb, startobj, gotleafys);
if (res == NO_ERR && session_cb->config_curobj &&
session_cb->config_curobj != startobj) {
res = set_config_path(session_cb);
}
}
if (res != NO_ERR) {
/* reset current node pointers */
session_cb->config_curobj = startobj;
session_cb->config_curval = startval;
if (startroot == NULL) {
val_free_value(session_cb->config_etree);
session_cb->config_etree = NULL;
session_cb->config_ecurval = NULL;
session_cb->config_firstnew = NULL;
} else {
if (session_cb->config_firstnew) {
if (session_cb->config_firstnew->parent) {
val_remove_child(session_cb->config_firstnew);
}
val_free_value(session_cb->config_firstnew);
session_cb->config_firstnew = NULL;
}
session_cb->config_etree = startroot;
session_cb->config_ecurval = starteval;
}
(void)set_config_path(session_cb);
}
}
tk_free_chain(tkc);
return res;
} /* handle_config_input */
