/*********************************************************************
*
* Parse Bootstrap file
*
*/
BSR *parse_bsr(JCR *jcr, char *fname)
{
LEX *lc = NULL;
int token, i;
BSR *root_bsr = new_bsr();
BSR *bsr = root_bsr;
Dmsg1(300, "Enter parse_bsf %s\n", fname);
if ((lc = lex_open_file(lc, fname, s_err)) == NULL) {
berrno be;
Emsg2(M_ERROR_TERM, 0, _("Cannot open bootstrap file %s: %s\n"),
fname, be.bstrerror());
}
lc->caller_ctx = (void *)jcr;
while ((token=lex_get_token(lc, T_ALL)) != T_EOF) {
Dmsg1(300, "parse got token=%s\n", lex_tok_to_str(token));
if (token == T_EOL) {
continue;
}
for (i=0; items[i].name; i++) {
if (strcasecmp(items[i].name, lc->str) == 0) {
token = lex_get_token(lc, T_ALL);
Dmsg1 (300, "in T_IDENT got token=%s\n", lex_tok_to_str(token));
if (token != T_EQUALS) {
scan_err1(lc, "expected an equals, got: %s", lc->str);
bsr = NULL;
break;
}
Dmsg1(300, "calling handler for %s\n", items[i].name);
/* Call item handler */
bsr = items[i].handler(lc, bsr);
i = -1;
break;
}
}
if (i >= 0) {
Dmsg1(300, "Keyword = %s\n", lc->str);
scan_err1(lc, "Keyword %s not found", lc->str);
bsr = NULL;
break;
}
if (!bsr) {
break;
}
}
lc = lex_close_file(lc);
Dmsg0(300, "Leave parse_bsf()\n");
if (!bsr) {
free_bsr(root_bsr);
root_bsr = NULL;
}
if (root_bsr) {
root_bsr->use_fast_rejection = is_fast_rejection_ok(root_bsr);
root_bsr->use_positioning = is_positioning_ok(root_bsr);
}
for (bsr=root_bsr; bsr; bsr=bsr->next) {
bsr->root = root_bsr;
}
return root_bsr;
}
/* Parse a config file used by Plugin/Director */
bool ConfigFile::parse(const char *fname)
{
int token, i;
bool ret=false;
if (!items) {
return false;
}
if ((lc = lex_open_file(lc, fname, s_err, s_warn)) == NULL) {
berrno be;
Emsg2(M_ERROR, 0, _("Cannot open config file %s: %s\n"),
fname, be.bstrerror());
return false;
}
lc->options |= LOPT_NO_EXTERN;
lc->caller_ctx = (void *)this;
while ((token=lex_get_token(lc, T_ALL)) != T_EOF) {
Dmsg1(dbglevel, "parse got token=%s\n", lex_tok_to_str(token));
if (token == T_EOL) {
continue;
}
for (i = 0; items[i].name; i++) {
if (strcasecmp(items[i].name, lc->str) == 0) {
if ((token = lex_get_token(lc, T_EQUALS)) == T_ERROR) {
Dmsg1(dbglevel, "in T_IDENT got token=%s\n",
lex_tok_to_str(token));
break;
}
Dmsg1(dbglevel, "calling handler for %s\n", items[i].name);
/* Call item handler */
ret = items[i].found = items[i].handler(lc, this, &items[i]);
i = -1;
break;
}
}
if (i >= 0) {
Dmsg1(dbglevel, "Keyword = %s\n", lc->str);
scan_err1(lc, "Keyword %s not found", lc->str);
/* We can raise an error here */
break;
}
if (!ret) {
break;
}
}
for (i = 0; items[i].name; i++) {
if (items[i].required && !items[i].found) {
scan_err1(lc, "%s required but not found", items[i].name);
ret = false;
}
}
lc = lex_close_file(lc);
return ret;
}
bool CONFIG::parse_config()
{
LEX *lc = NULL;
int token, i, pass;
int res_type = 0;
enum parse_state state = p_none;
RES_ITEM *items = NULL;
int level = 0;
static bool first = true;
int errstat;
const char *cf = m_cf;
LEX_ERROR_HANDLER *scan_error = m_scan_error;
int err_type = m_err_type;
if (first && (errstat=rwl_init(&res_lock)) != 0) {
berrno be;
Jmsg1(NULL, M_ABORT, 0, _("Unable to initialize resource lock. ERR=%s\n"),
be.bstrerror(errstat));
}
first = false;
char *full_path = (char *)alloca(MAX_PATH + 1);
if (!find_config_file(cf, full_path, MAX_PATH +1)) {
Jmsg0(NULL, M_ABORT, 0, _("Config filename too long.\n"));
}
cf = full_path;
/* Make two passes. The first builds the name symbol table,
* and the second picks up the items.
*/
Dmsg0(900, "Enter parse_config()\n");
for (pass=1; pass <= 2; pass++) {
Dmsg1(900, "parse_config pass %d\n", pass);
if ((lc = lex_open_file(lc, cf, scan_error)) == NULL) {
berrno be;
/* We must create a lex packet to print the error */
lc = (LEX *)malloc(sizeof(LEX));
memset(lc, 0, sizeof(LEX));
if (scan_error) {
lc->scan_error = scan_error;
} else {
lex_set_default_error_handler(lc);
}
lex_set_error_handler_error_type(lc, err_type) ;
bstrncpy(lc->str, cf, sizeof(lc->str));
lc->fname = lc->str;
scan_err2(lc, _("Cannot open config file \"%s\": %s\n"),
lc->str, be.bstrerror());
free(lc);
return 0;
}
lex_set_error_handler_error_type(lc, err_type) ;
while ((token=lex_get_token(lc, T_ALL)) != T_EOF) {
Dmsg3(900, "parse state=%d pass=%d got token=%s\n", state, pass,
lex_tok_to_str(token));
switch (state) {
case p_none:
if (token == T_EOL) {
break;
} else if (token == T_UTF8_BOM) {
/* We can assume the file is UTF-8 as we have seen a UTF-8 BOM */
break;
} else if (token == T_UTF16_BOM) {
scan_err0(lc, _("Currently we cannot handle UTF-16 source files. "
"Please convert the conf file to UTF-8\n"));
return 0;
} else if (token != T_IDENTIFIER) {
scan_err1(lc, _("Expected a Resource name identifier, got: %s"), lc->str);
return 0;
}
for (i=0; resources[i].name; i++) {
if (strcasecmp(resources[i].name, lc->str) == 0) {
items = resources[i].items;
if (!items) {
break;
}
state = p_resource;
res_type = resources[i].rcode;
init_resource(this, res_type, items, pass);
break;
}
}
if (state == p_none) {
scan_err1(lc, _("expected resource name, got: %s"), lc->str);
return 0;
}
break;
case p_resource:
switch (token) {
case T_BOB:
level++;
break;
case T_IDENTIFIER:
if (level != 1) {
scan_err1(lc, _("not in resource definition: %s"), lc->str);
return 0;
}
for (i=0; items[i].name; i++) {
if (strcasecmp(items[i].name, lc->str) == 0) {
/* If the ITEM_NO_EQUALS flag is set we do NOT
* scan for = after the keyword */
if (!(items[i].flags & ITEM_NO_EQUALS)) {
token = lex_get_token(lc, T_SKIP_EOL);
Dmsg1 (900, "in T_IDENT got token=%s\n", lex_tok_to_str(token));
if (token != T_EQUALS) {
scan_err1(lc, _("expected an equals, got: %s"), lc->str);
return 0;
}
}
Dmsg1(800, "calling handler for %s\n", items[i].name);
/* Call item handler */
items[i].handler(lc, &items[i], i, pass);
i = -1;
break;
}
}
if (i >= 0) {
Dmsg2(900, "level=%d id=%s\n", level, lc->str);
Dmsg1(900, "Keyword = %s\n", lc->str);
scan_err1(lc, _("Keyword \"%s\" not permitted in this resource.\n"
"Perhaps you left the trailing brace off of the previous resource."), lc->str);
return 0;
}
break;
case T_EOB:
level--;
state = p_none;
Dmsg0(900, "T_EOB => define new resource\n");
if (res_all.hdr.name == NULL) {
scan_err0(lc, _("Name not specified for resource"));
return 0;
}
save_resource(res_type, items, pass); /* save resource */
break;
case T_EOL:
break;
default:
scan_err2(lc, _("unexpected token %d %s in resource definition"),
token, lex_tok_to_str(token));
return 0;
}
break;
default:
scan_err1(lc, _("Unknown parser state %d\n"), state);
return 0;
}
}
if (state != p_none) {
scan_err0(lc, _("End of conf file reached with unclosed resource."));
return 0;
}
if (debug_level >= 900 && pass == 2) {
int i;
for (i=m_r_first; i<=m_r_last; i++) {
dump_resource(i, m_res_head[i-m_r_first], prtmsg, NULL);
}
}
lc = lex_close_file(lc);
}
Dmsg0(900, "Leave parse_config()\n");
return 1;
}
/*
* Analyse the content of a ini file to build the item list
* It uses special syntax for datatype. Used by Director on Restore object
*
* OptPrompt = "Variable1"
* OptRequired
* OptDefault = 100
* Variable1 = @PINT32@
* ...
*/
bool ConfigFile::unserialize(const char *fname)
{
int token, i, nb = 0;
bool ret = false;
const char **assign;
/*
* At this time, we allow only 32 different items
*/
int s = MAX_INI_ITEMS * sizeof (struct ini_items);
items = (struct ini_items *) malloc (s);
memset(items, 0, s);
items_allocated = true;
/*
* Parse the file and generate the items structure on the fly
*/
if ((lc = lex_open_file(lc, fname, s_err, s_warn)) == NULL) {
berrno be;
Emsg2(M_ERROR, 0, _("Cannot open config file %s: %s\n"),
fname, be.bstrerror());
return false;
}
lc->options |= LOPT_NO_EXTERN;
lc->caller_ctx = (void *)this;
while ((token=lex_get_token(lc, T_ALL)) != T_EOF) {
Dmsg1(dbglevel, "parse got token=%s\n", lex_tok_to_str(token));
if (token == T_EOL) {
continue;
}
ret = false;
assign = NULL;
if (nb >= MAX_INI_ITEMS) {
break;
}
if (bstrcasecmp("optprompt", lc->str)) {
assign = &(items[nb].comment);
} else if (bstrcasecmp("optdefault", lc->str)) {
assign = &(items[nb].default_value);
} else if (bstrcasecmp("optrequired", lc->str)) {
items[nb].required = true; /* Don't use argument */
scan_to_eol(lc);
continue;
} else {
items[nb].name = bstrdup(lc->str);
}
token = lex_get_token(lc, T_ALL);
Dmsg1(dbglevel, "in T_IDENT got token=%s\n", lex_tok_to_str(token));
if (token != T_EQUALS) {
scan_err1(lc, "expected an equals, got: %s", lc->str);
break;
}
/*
* We may allow blank variable
*/
if (lex_get_token(lc, T_STRING) == T_ERROR) {
break;
}
if (assign) {
*assign = bstrdup(lc->str);
} else {
if ((items[nb].type = ini_get_store_type(lc->str)) == 0) {
scan_err1(lc, "expected a data type, got: %s", lc->str);
break;
}
nb++;
}
scan_to_eol(lc);
ret = true;
}
if (!ret) {
for (i = 0; i < nb; i++) {
bfree_and_null_const(items[i].name);
bfree_and_null_const(items[i].comment);
bfree_and_null_const(items[i].default_value);
items[i].type = 0;
items[i].required = false;
}
}
lc = lex_close_file(lc);
return ret;
}
/*
* Parse a config file used by Plugin/Director
*/
bool ConfigFile::parse(const char *fname)
{
int token, i;
bool ret = false;
if (!items) {
return false;
}
if ((lc = lex_open_file(lc, fname, s_err, s_warn)) == NULL) {
berrno be;
Emsg2(M_ERROR, 0, _("Cannot open config file %s: %s\n"),
fname, be.bstrerror());
return false;
}
lc->options |= LOPT_NO_EXTERN;
lc->caller_ctx = (void *)this;
while ((token=lex_get_token(lc, T_ALL)) != T_EOF) {
Dmsg1(dbglevel, "parse got token=%s\n", lex_tok_to_str(token));
if (token == T_EOL) {
continue;
}
for (i = 0; items[i].name; i++) {
if (bstrcasecmp(items[i].name, lc->str)) {
if ((token = lex_get_token(lc, T_EQUALS)) == T_ERROR) {
Dmsg1(dbglevel, "in T_IDENT got token=%s\n",
lex_tok_to_str(token));
break;
}
Dmsg1(dbglevel, "calling handler for %s\n", items[i].name);
/*
* Call item handler
*/
switch (items[i].type) {
case INI_CFG_TYPE_INT32:
ret = ini_store_int32(lc, this, &items[i]);
break;
case INI_CFG_TYPE_PINT32:
ret = ini_store_pint32(lc, this, &items[i]);
break;
case INI_CFG_TYPE_INT64:
ret = ini_store_int64(lc, this, &items[i]);
break;
case INI_CFG_TYPE_PINT64:
ret = ini_store_pint64(lc, this, &items[i]);
break;
case INI_CFG_TYPE_NAME:
ret = ini_store_name(lc, this, &items[i]);
break;
case INI_CFG_TYPE_STR:
ret = ini_store_str(lc, this, &items[i]);
break;
case INI_CFG_TYPE_BOOL:
ret = ini_store_bool(lc, this, &items[i]);
break;
case INI_CFG_TYPE_ALIST_STR:
ret = ini_store_alist_str(lc, this, &items[i]);
break;
default:
break;
}
i = -1;
break;
}
}
if (i >= 0) {
Dmsg1(dbglevel, "Keyword = %s\n", lc->str);
scan_err1(lc, "Keyword %s not found", lc->str);
/*
* We can raise an error here
*/
break;
}
if (!ret) {
break;
}
}
for (i = 0; items[i].name; i++) {
if (items[i].required && !items[i].found) {
scan_err1(lc, "%s required but not found", items[i].name);
ret = false;
}
}
lc = lex_close_file(lc);
return ret;
}
/*
*
* Get the next token from the input
*
*/
int lex_get_token(LEX *lf, int expect)
{
int ch;
int token = T_NONE;
bool esc_next = false;
/* Unicode files, especially on Win32, may begin with a "Byte Order Mark"
to indicate which transmission format the file is in. The codepoint for
this mark is U+FEFF and is represented as the octets EF-BB-BF in UTF-8
and as FF-FE in UTF-16le(little endian) and FE-FF in UTF-16(big endian).
We use a distinct state for UTF-8 and UTF-16le, and use bom_bytes_seen
to tell which byte we are expecting. */
int bom_bytes_seen = 0;
Dmsg0(dbglvl, "enter lex_get_token\n");
while (token == T_NONE) {
ch = lex_get_char(lf);
switch (lf->state) {
case lex_none:
Dmsg2(dbglvl, "Lex state lex_none ch=%d,%x\n", ch, ch);
if (B_ISSPACE(ch))
break;
if (B_ISALPHA(ch)) {
if (lf->options & LOPT_NO_IDENT || lf->options & LOPT_STRING) {
lf->state = lex_string;
} else {
lf->state = lex_identifier;
}
begin_str(lf, ch);
break;
}
if (B_ISDIGIT(ch)) {
if (lf->options & LOPT_STRING) {
lf->state = lex_string;
} else {
lf->state = lex_number;
}
begin_str(lf, ch);
break;
}
Dmsg0(dbglvl, "Enter lex_none switch\n");
switch (ch) {
case L_EOF:
token = T_EOF;
Dmsg0(dbglvl, "got L_EOF set token=T_EOF\n");
break;
case '#':
lf->state = lex_comment;
break;
case '{':
token = T_BOB;
begin_str(lf, ch);
break;
case '}':
token = T_EOB;
begin_str(lf, ch);
break;
case '"':
lf->state = lex_quoted_string;
begin_str(lf, 0);
break;
case '=':
token = T_EQUALS;
begin_str(lf, ch);
break;
case ',':
token = T_COMMA;
begin_str(lf, ch);
break;
case ';':
if (expect != T_SKIP_EOL) {
token = T_EOL; /* treat ; like EOL */
}
break;
case L_EOL:
Dmsg0(dbglvl, "got L_EOL set token=T_EOL\n");
if (expect != T_SKIP_EOL) {
token = T_EOL;
}
break;
case '@':
/* In NO_EXTERN mode, @ is part of a string */
if (lf->options & LOPT_NO_EXTERN) {
lf->state = lex_string;
begin_str(lf, ch);
} else {
lf->state = lex_include;
begin_str(lf, 0);
}
break;
case 0xEF: /* probably a UTF-8 BOM */
case 0xFF: /* probably a UTF-16le BOM */
case 0xFE: /* probably a UTF-16be BOM (error)*/
if (lf->line_no != 1 || lf->col_no != 1)
{
lf->state = lex_string;
begin_str(lf, ch);
} else {
bom_bytes_seen = 1;
if (ch == 0xEF) {
lf->state = lex_utf8_bom;
} else if (ch == 0xFF) {
lf->state = lex_utf16_le_bom;
} else {
scan_err0(lf, _("This config file appears to be in an "
"unsupported Unicode format (UTF-16be). Please resave as UTF-8\n"));
return T_ERROR;
}
}
break;
default:
lf->state = lex_string;
begin_str(lf, ch);
break;
}
break;
case lex_comment:
Dmsg1(dbglvl, "Lex state lex_comment ch=%x\n", ch);
if (ch == L_EOL) {
lf->state = lex_none;
if (expect != T_SKIP_EOL) {
token = T_EOL;
}
} else if (ch == L_EOF) {
token = T_ERROR;
}
break;
case lex_number:
Dmsg2(dbglvl, "Lex state lex_number ch=%x %c\n", ch, ch);
if (ch == L_EOF) {
token = T_ERROR;
break;
}
/* Might want to allow trailing specifications here */
if (B_ISDIGIT(ch)) {
add_str(lf, ch);
break;
}
/* A valid number can be terminated by the following */
if (B_ISSPACE(ch) || ch == L_EOL || ch == ',' || ch == ';') {
token = T_NUMBER;
lf->state = lex_none;
} else {
lf->state = lex_string;
}
lex_unget_char(lf);
break;
case lex_ip_addr:
if (ch == L_EOF) {
token = T_ERROR;
break;
}
Dmsg1(dbglvl, "Lex state lex_ip_addr ch=%x\n", ch);
break;
case lex_string:
Dmsg1(dbglvl, "Lex state lex_string ch=%x\n", ch);
if (ch == L_EOF) {
token = T_ERROR;
break;
}
if (ch == '\n' || ch == L_EOL || ch == '=' || ch == '}' || ch == '{' ||
ch == '\r' || ch == ';' || ch == ',' || ch == '#' || (B_ISSPACE(ch)) ) {
lex_unget_char(lf);
token = T_UNQUOTED_STRING;
lf->state = lex_none;
break;
}
add_str(lf, ch);
break;
case lex_identifier:
Dmsg2(dbglvl, "Lex state lex_identifier ch=%x %c\n", ch, ch);
if (B_ISALPHA(ch)) {
add_str(lf, ch);
break;
} else if (B_ISSPACE(ch)) {
break;
} else if (ch == '\n' || ch == L_EOL || ch == '=' || ch == '}' || ch == '{' ||
ch == '\r' || ch == ';' || ch == ',' || ch == '"' || ch == '#') {
lex_unget_char(lf);
token = T_IDENTIFIER;
lf->state = lex_none;
break;
} else if (ch == L_EOF) {
token = T_ERROR;
lf->state = lex_none;
begin_str(lf, ch);
break;
}
/* Some non-alpha character => string */
lf->state = lex_string;
add_str(lf, ch);
break;
case lex_quoted_string:
Dmsg2(dbglvl, "Lex state lex_quoted_string ch=%x %c\n", ch, ch);
if (ch == L_EOF) {
token = T_ERROR;
break;
}
if (ch == L_EOL) {
esc_next = false;
break;
}
if (esc_next) {
add_str(lf, ch);
esc_next = false;
break;
}
if (ch == '\\') {
esc_next = true;
break;
}
if (ch == '"') {
token = T_QUOTED_STRING;
/*
* Since we may be scanning a quoted list of names,
* we get the next character (a comma indicates another
* one), then we put it back for rescanning.
*/
lex_get_char(lf);
lex_unget_char(lf);
lf->state = lex_none;
break;
}
add_str(lf, ch);
break;
case lex_include_quoted_string:
if (ch == L_EOF) {
token = T_ERROR;
break;
}
if (esc_next) {
add_str(lf, ch);
esc_next = false;
break;
}
if (ch == '\\') {
esc_next = true;
break;
}
if (ch == '"') {
/* Keep the original LEX so we can print an error if the included file can't be opened. */
LEX* lfori = lf;
/* Skip the double quote when restarting parsing */
lex_get_char(lf);
lf->state = lex_none;
lf = lex_open_file(lf, lf->str, lf->scan_error, lf->scan_warning);
if (lf == NULL) {
berrno be;
scan_err2(lfori, _("Cannot open included config file %s: %s\n"),
lfori->str, be.bstrerror());
return T_ERROR;
}
break;
}
add_str(lf, ch);
break;
case lex_include: /* scanning a filename */
if (ch == L_EOF) {
token = T_ERROR;
break;
}
if (ch == '"') {
lf->state = lex_include_quoted_string;
break;
}
if (B_ISSPACE(ch) || ch == '\n' || ch == L_EOL || ch == '}' || ch == '{' ||
ch == ';' || ch == ',' || ch == '"' || ch == '#') {
/* Keep the original LEX so we can print an error if the included file can't be opened. */
LEX* lfori = lf;
lf->state = lex_none;
lf = lex_open_file(lf, lf->str, lf->scan_error, lf->scan_warning);
if (lf == NULL) {
berrno be;
scan_err2(lfori, _("Cannot open included config file %s: %s\n"),
lfori->str, be.bstrerror());
return T_ERROR;
}
break;
}
add_str(lf, ch);
break;
case lex_utf8_bom:
/* we only end up in this state if we have read an 0xEF
as the first byte of the file, indicating we are probably
reading a UTF-8 file */
if (ch == 0xBB && bom_bytes_seen == 1) {
bom_bytes_seen++;
} else if (ch == 0xBF && bom_bytes_seen == 2) {
token = T_UTF8_BOM;
lf->state = lex_none;
} else {
token = T_ERROR;
}
break;
case lex_utf16_le_bom:
/* we only end up in this state if we have read an 0xFF
as the first byte of the file -- indicating that we are
probably dealing with an Intel based (little endian) UTF-16 file*/
if (ch == 0xFE) {
token = T_UTF16_BOM;
lf->state = lex_none;
} else {
token = T_ERROR;
}
break;
}
Dmsg4(dbglvl, "ch=%d state=%s token=%s %c\n", ch, lex_state_to_str(lf->state),
lex_tok_to_str(token), ch);
}
Dmsg2(dbglvl, "lex returning: line %d token: %s\n", lf->line_no, lex_tok_to_str(token));
lf->token = token;
/*
* Here is where we check to see if the user has set certain
* expectations (e.g. 32 bit integer). If so, we do type checking
* and possible additional scanning (e.g. for range).
*/
switch (expect) {
case T_PINT16:
lf->u.pint16_val = (scan_pint(lf, lf->str) & 0xffff);
lf->u2.pint16_val = lf->u.pint16_val;
token = T_PINT16;
break;
case T_PINT32:
lf->u.pint32_val = scan_pint(lf, lf->str);
lf->u2.pint32_val = lf->u.pint32_val;
token = T_PINT32;
break;
case T_PINT32_RANGE:
if (token == T_NUMBER) {
lf->u.pint32_val = scan_pint(lf, lf->str);
lf->u2.pint32_val = lf->u.pint32_val;
token = T_PINT32;
} else {
char *p = strchr(lf->str, '-');
if (!p) {
scan_err2(lf, _("expected an integer or a range, got %s: %s"),
lex_tok_to_str(token), lf->str);
token = T_ERROR;
break;
}
*p++ = 0; /* terminate first half of range */
lf->u.pint32_val = scan_pint(lf, lf->str);
lf->u2.pint32_val = scan_pint(lf, p);
token = T_PINT32_RANGE;
}
break;
case T_INT16:
if (token != T_NUMBER || !is_a_number(lf->str)) {
scan_err2(lf, _("expected an integer number, got %s: %s"),
lex_tok_to_str(token), lf->str);
token = T_ERROR;
break;
}
errno = 0;
lf->u.int16_val = (int16_t)str_to_int64(lf->str);
if (errno != 0) {
scan_err2(lf, _("expected an integer number, got %s: %s"),
lex_tok_to_str(token), lf->str);
token = T_ERROR;
} else {
token = T_INT16;
}
break;
case T_INT32:
if (token != T_NUMBER || !is_a_number(lf->str)) {
scan_err2(lf, _("expected an integer number, got %s: %s"),
lex_tok_to_str(token), lf->str);
token = T_ERROR;
break;
}
errno = 0;
lf->u.int32_val = (int32_t)str_to_int64(lf->str);
if (errno != 0) {
scan_err2(lf, _("expected an integer number, got %s: %s"),
lex_tok_to_str(token), lf->str);
token = T_ERROR;
} else {
token = T_INT32;
}
break;
case T_INT64:
Dmsg2(dbglvl, "int64=:%s: %f\n", lf->str, strtod(lf->str, NULL));
if (token != T_NUMBER || !is_a_number(lf->str)) {
scan_err2(lf, _("expected an integer number, got %s: %s"),
lex_tok_to_str(token), lf->str);
token = T_ERROR;
break;
}
errno = 0;
lf->u.int64_val = str_to_int64(lf->str);
if (errno != 0) {
scan_err2(lf, _("expected an integer number, got %s: %s"),
lex_tok_to_str(token), lf->str);
token = T_ERROR;
} else {
token = T_INT64;
}
break;
case T_PINT64_RANGE:
if (token == T_NUMBER) {
lf->u.pint64_val = scan_pint64(lf, lf->str);
lf->u2.pint64_val = lf->u.pint64_val;
token = T_PINT64;
} else {
char *p = strchr(lf->str, '-');
if (!p) {
scan_err2(lf, _("expected an integer or a range, got %s: %s"),
lex_tok_to_str(token), lf->str);
token = T_ERROR;
break;
}
*p++ = 0; /* terminate first half of range */
lf->u.pint64_val = scan_pint64(lf, lf->str);
lf->u2.pint64_val = scan_pint64(lf, p);
token = T_PINT64_RANGE;
}
break;
case T_NAME:
if (token != T_IDENTIFIER && token != T_UNQUOTED_STRING && token != T_QUOTED_STRING) {
scan_err2(lf, _("expected a name, got %s: %s"),
lex_tok_to_str(token), lf->str);
token = T_ERROR;
} else if (lf->str_len > MAX_RES_NAME_LENGTH) {
scan_err3(lf, _("name %s length %d too long, max is %d\n"), lf->str,
lf->str_len, MAX_RES_NAME_LENGTH);
token = T_ERROR;
}
break;
case T_STRING:
if (token != T_IDENTIFIER && token != T_UNQUOTED_STRING && token != T_QUOTED_STRING) {
scan_err2(lf, _("expected a string, got %s: %s"),
lex_tok_to_str(token), lf->str);
token = T_ERROR;
} else {
token = T_STRING;
}
break;
default:
break; /* no expectation given */
}
lf->token = token; /* set possible new token */
return token;
}
bool CONFIG::parse_config_file(const char *cf, void *caller_ctx, LEX_ERROR_HANDLER *scan_error,
LEX_WARNING_HANDLER *scan_warning, int32_t err_type)
{
bool result = true;
LEX *lc = NULL;
int token, i, pass;
int res_type = 0;
enum parse_state state = p_none;
RES_TABLE *res_table = NULL;
RES_ITEM *items = NULL;
RES_ITEM *item = NULL;
int level = 0;
/*
* Make two passes. The first builds the name symbol table,
* and the second picks up the items.
*/
Dmsg0(900, "Enter parse_config()\n");
for (pass = 1; pass <= 2; pass++) {
Dmsg1(900, "parse_config pass %d\n", pass);
if ((lc = lex_open_file(lc, cf, scan_error, scan_warning)) == NULL) {
berrno be;
/*
* We must create a lex packet to print the error
*/
lc = (LEX *)malloc(sizeof(LEX));
memset(lc, 0, sizeof(LEX));
if (scan_error) {
lc->scan_error = scan_error;
} else {
lex_set_default_error_handler(lc);
}
if (scan_warning) {
lc->scan_warning = scan_warning;
} else {
lex_set_default_warning_handler(lc);
}
lex_set_error_handler_error_type(lc, err_type) ;
scan_err2(lc, _("Cannot open config file \"%s\": %s\n"),
cf, be.bstrerror());
free(lc);
return 0;
}
lex_set_error_handler_error_type(lc, err_type);
lc->error_counter = 0;
lc->caller_ctx = caller_ctx;
while ((token=lex_get_token(lc, T_ALL)) != T_EOF) {
Dmsg3(900, "parse state=%d pass=%d got token=%s\n", state, pass,
lex_tok_to_str(token));
switch (state) {
case p_none:
if (token == T_EOL) {
break;
} else if (token == T_UTF8_BOM) {
/*
* We can assume the file is UTF-8 as we have seen a UTF-8 BOM
*/
break;
} else if (token == T_UTF16_BOM) {
scan_err0(lc, _("Currently we cannot handle UTF-16 source files. "
"Please convert the conf file to UTF-8\n"));
goto bail_out;
} else if (token != T_IDENTIFIER) {
scan_err1(lc, _("Expected a Resource name identifier, got: %s"), lc->str);
goto bail_out;
}
res_table = get_resource_table(lc->str);
if(res_table && res_table->items) {
items = res_table->items;
state = p_resource;
res_type = res_table->rcode;
init_resource(res_type, items, pass);
}
if (state == p_none) {
scan_err1(lc, _("expected resource name, got: %s"), lc->str);
goto bail_out;
}
break;
case p_resource:
switch (token) {
case T_BOB:
level++;
break;
case T_IDENTIFIER:
if (level != 1) {
scan_err1(lc, _("not in resource definition: %s"), lc->str);
goto bail_out;
}
i = get_resource_item_index(items, lc->str);
if (i>=0) {
item = &items[i];
/*
* If the CFG_ITEM_NO_EQUALS flag is set we do NOT
* scan for = after the keyword
*/
if (!(item->flags & CFG_ITEM_NO_EQUALS)) {
token = lex_get_token(lc, T_SKIP_EOL);
Dmsg1 (900, "in T_IDENT got token=%s\n", lex_tok_to_str(token));
if (token != T_EQUALS) {
scan_err1(lc, _("expected an equals, got: %s"), lc->str);
goto bail_out;
}
}
/*
* See if we are processing a deprecated keyword if so warn the user about it.
*/
if (item->flags & CFG_ITEM_DEPRECATED) {
scan_warn2(lc, _("using deprecated keyword %s on line %d"), item->name, lc->line_no);
/*
* As we only want to warn we continue parsing the config. So no goto bail_out here.
*/
}
Dmsg1(800, "calling handler for %s\n", item->name);
/*
* Call item handler
*/
if (!store_resource(item->type, lc, item, i, pass)) {
/*
* None of the generic types fired if there is a registered callback call that now.
*/
if (m_store_res) {
m_store_res(lc, item, i, pass);
}
}
} else {
Dmsg2(900, "level=%d id=%s\n", level, lc->str);
Dmsg1(900, "Keyword = %s\n", lc->str);
scan_err1(lc, _("Keyword \"%s\" not permitted in this resource.\n"
"Perhaps you left the trailing brace off of the previous resource."), lc->str);
goto bail_out;
}
break;
case T_EOB:
level--;
state = p_none;
Dmsg0(900, "T_EOB => define new resource\n");
if (((URES *)m_res_all)->hdr.name == NULL) {
scan_err0(lc, _("Name not specified for resource"));
goto bail_out;
}
/* save resource */
if (!save_resource(res_type, items, pass)) {
scan_err0(lc, _("save_resource failed"));
goto bail_out;
};
break;
case T_EOL:
break;
default:
scan_err2(lc, _("unexpected token %d %s in resource definition"),
token, lex_tok_to_str(token));
goto bail_out;
}
break;
default:
scan_err1(lc, _("Unknown parser state %d\n"), state);
goto bail_out;
}
}
if (state != p_none) {
scan_err0(lc, _("End of conf file reached with unclosed resource."));
goto bail_out;
}
if (debug_level >= 900 && pass == 2) {
int i;
for (i = m_r_first; i <= m_r_last; i++) {
dump_resource(i, m_res_head[i-m_r_first], prtmsg, NULL, false);
}
}
if (lc->error_counter > 0) {
result = false;
}
lc = lex_close_file(lc);
}
Dmsg0(900, "Leave parse_config_file()\n");
return result;
bail_out:
if (lc) {
lc = lex_close_file(lc);
}
return false;
}