/*
* Insert a new relation. If the new_value argument is NULL, then
* create a new section instead.
*
* Note: if the intermediate sections do not exist, this function will
* automatically create them.
*
* ADL - 2/23/99, rewritten TYT 2/25/99
*/
errcode_t KRB5_CALLCONV
profile_add_relation(profile_t profile, const char **names,
const char *new_value)
{
errcode_t retval;
struct profile_node *section;
const char **cpp;
void *state;
if (profile->vt) {
if (!profile->vt->add_relation)
return PROF_UNSUPPORTED;
return profile->vt->add_relation(profile->cbdata, names, new_value);
}
retval = rw_setup(profile);
if (retval)
return retval;
if (names == 0 || names[0] == 0 || names[1] == 0)
return PROF_BAD_NAMESET;
k5_mutex_lock(&profile->first_file->data->lock);
section = profile->first_file->data->root;
for (cpp = names; cpp[1]; cpp++) {
state = 0;
retval = profile_find_node(section, *cpp, 0, 1,
&state, §ion);
if (retval == PROF_NO_SECTION)
retval = profile_add_node(section, *cpp, 0, §ion);
if (retval) {
k5_mutex_unlock(&profile->first_file->data->lock);
return retval;
}
}
if (new_value == 0) {
retval = profile_find_node(section, *cpp, 0, 1, &state, 0);
if (retval == 0) {
k5_mutex_unlock(&profile->first_file->data->lock);
return PROF_EXISTS;
} else if (retval != PROF_NO_SECTION) {
k5_mutex_unlock(&profile->first_file->data->lock);
return retval;
}
}
retval = profile_add_node(section, *cpp, new_value, 0);
if (retval) {
k5_mutex_unlock(&profile->first_file->data->lock);
return retval;
}
profile->first_file->data->flags |= PROFILE_FILE_DIRTY;
k5_mutex_unlock(&profile->first_file->data->lock);
return 0;
}
static errcode_t parse_std_line(char *line, struct parse_state *state)
{
char *cp, ch, *tag, *value;
char *p;
errcode_t retval;
struct profile_node *node;
int do_subsection = 0;
void *iter = 0;
if (*line == 0)
return 0;
cp = skip_over_blanks(line);
if (cp[0] == ';' || cp[0] == '#')
return 0;
strip_line(cp);
ch = *cp;
if (ch == 0)
return 0;
if (ch == '[') {
if (state->group_level > 0)
return PROF_SECTION_NOTOP;
cp++;
p = strchr(cp, ']');
if (p == NULL)
return PROF_SECTION_SYNTAX;
*p = '\0';
retval = profile_find_node_subsection(state->root_section,
cp, &iter, 0,
&state->current_section);
if (retval == PROF_NO_SECTION) {
retval = profile_add_node(state->root_section,
cp, 0,
&state->current_section);
if (retval)
return retval;
} else if (retval)
return retval;
/*
* Finish off the rest of the line.
*/
cp = p+1;
if (*cp == '*') {
profile_make_node_final(state->current_section);
cp++;
}
/*
* A space after ']' should not be fatal
*/
cp = skip_over_blanks(cp);
if (*cp)
return PROF_SECTION_SYNTAX;
return 0;
}
if (ch == '}') {
if (state->group_level == 0)
return PROF_EXTRA_CBRACE;
if (*(cp+1) == '*')
profile_make_node_final(state->current_section);
retval = profile_get_node_parent(state->current_section,
&state->current_section);
if (retval)
return retval;
state->group_level--;
return 0;
}
/*
* Parse the relations
*/
tag = cp;
cp = strchr(cp, '=');
if (!cp)
return PROF_RELATION_SYNTAX;
if (cp == tag)
return PROF_RELATION_SYNTAX;
*cp = '\0';
p = tag;
/* Look for whitespace on left-hand side. */
while (p < cp && !isspace((int)*p))
p++;
if (p < cp) {
/* Found some sort of whitespace. */
*p++ = 0;
/* If we have more non-whitespace, it's an error. */
while (p < cp) {
if (!isspace((int)*p))
return PROF_RELATION_SYNTAX;
p++;
}
}
cp = skip_over_blanks(cp+1);
value = cp;
if (value[0] == '"') {
value++;
parse_quoted_string(value);
} else if (value[0] == 0) {
do_subsection++;
state->state = STATE_GET_OBRACE;
} else if (value[0] == '{' && *(skip_over_blanks(value+1)) == 0)
do_subsection++;
else {
cp = value + strlen(value) - 1;
while ((cp > value) && isspace((int) (*cp)))
*cp-- = 0;
}
if (do_subsection) {
p = strchr(tag, '*');
if (p)
*p = '\0';
retval = profile_add_node(state->current_section,
tag, 0, &state->current_section);
if (retval)
return retval;
if (p)
profile_make_node_final(state->current_section);
state->group_level++;
return 0;
}
p = strchr(tag, '*');
if (p)
*p = '\0';
profile_add_node(state->current_section, tag, value, &node);
if (p)
profile_make_node_final(node);
return 0;
}
static long parse_line(char *line, struct parse_state *state)
{
char *cp, ch, *tag, *value;
char *p;
long retval;
struct profile_node *node;
int do_subsection = 0;
void *iter = 0;
state->line_num++;
if (state->state == STATE_GET_OBRACE) {
cp = skip_over_blanks(line);
if (*cp != '{')
return PROF_MISSING_OBRACE;
state->state = STATE_STD_LINE;
return 0;
}
if (state->state == STATE_INIT_COMMENT) {
if (line[0] != '[')
return 0;
state->state = STATE_STD_LINE;
}
if (*line == 0)
return 0;
strip_line(line);
cp = skip_over_blanks(line);
ch = *cp;
if (end_or_comment(ch))
return 0;
if (ch == '[') {
if (state->group_level > 0)
return PROF_SECTION_NOTOP;
cp++;
cp = skip_over_blanks(cp);
p = strchr(cp, ']');
if (p == NULL)
return PROF_SECTION_SYNTAX;
if (*cp == '"') {
cp++;
parse_quoted_string(cp);
} else {
*p-- = '\0';
while (isspace(*p) && (p > cp))
*p-- = '\0';
if (*cp == 0)
return PROF_SECTION_SYNTAX;
}
retval = profile_find_node(state->root_section, cp, 0, 1,
&iter, &state->current_section);
if (retval == PROF_NO_SECTION) {
retval = profile_add_node(state->root_section,
cp, 0,
&state->current_section);
if (retval)
return retval;
} else if (retval)
return retval;
/*
* Finish off the rest of the line.
*/
cp = p+1;
if (*cp == '*') {
state->current_section->final = 1;
cp++;
}
/*
* Spaces or comments after ']' should not be fatal
*/
cp = skip_over_blanks(cp);
if (!end_or_comment(*cp))
return PROF_SECTION_SYNTAX;
return 0;
}
