2 * Trivial smb.conf parsing code
4 * Copyright Volker Lendecke <vl@samba.org> 2014
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46 static bool c_isspace(char c)
55 static int next_content(FILE *f)
59 for (c = fgetc(f); c != EOF; c = fgetc(f)) {
71 static int next_end_of_line(FILE *f)
75 for (c = fgetc(f); c != EOF; c = fgetc(f)) {
83 static bool make_space(char **buf, size_t *buflen, size_t position)
87 if (position < *buflen) {
90 tmp = realloc(*buf, (*buflen) * 2);
100 * Get a conf line into *pbuf (which must be a malloc'ed buffer already).
102 * Ignores leading spaces
103 * Ignores comment lines
104 * Ignores empty lines
105 * Takes care of continuation lines
106 * Zaps multiple spaces into one
109 static int get_line(FILE *f, char **pbuf, size_t *pbuflen)
126 if ((c == '#') || (c == ';')) {
128 * Line starting with a comment, skip
130 c = next_end_of_line(f);
144 for ( ; c != EOF ; c = fgetc(f)) {
148 if ((pos > 0) && (buf[pos-1] == '\\')) {
150 * Line ends in "\". Continuation.
156 if ((pos > 1) && (buf[pos-2] == '\\') &&
157 c_isspace(buf[pos-1])) {
159 * Line ends in "\ ". Mind that we zap
160 * multiple spaces into one. Continuation.
167 * No continuation, done with the line
172 if ((pos > 0) && c_isspace(buf[pos-1]) && c_isspace(c)) {
174 * Zap multiple spaces to one
179 if (!make_space(&buf, &buflen, pos)) {
185 if (!make_space(&buf, &buflen, pos)) {
194 static bool parse_section(
195 char *buf, bool (*sfunc)(const char *section, void *private_data),
200 p = buf+1; /* skip [ */
208 return sfunc(p, private_data);
211 static char *trim_one_space(char *buf)
215 if (c_isspace(buf[0])) {
222 if (c_isspace(buf[len-1])) {
229 static bool parse_param(char *buf,
230 bool (*pfunc)(const char *name, const char *value,
238 equals = strchr(buf, '=');
239 if (equals == NULL) {
244 name = trim_one_space(buf);
250 value = trim_one_space(equals+1);
252 return pfunc(name, value, private_data);
255 bool tini_parse(FILE *f,
256 bool (*sfunc)(const char *section, void *private_data),
257 bool (*pfunc)(const char *name, const char *value,
266 buf = malloc(buflen);
275 ret = get_line(f, &buf, &buflen);
278 /* No lines anymore */
293 ok = parse_section(buf, sfunc, private_data);
296 ok = parse_param(buf, pfunc, private_data);