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* reorganized config

master
Alex 'AdUser' Z 9 years ago
parent
commit
9968873260
  1. 8
      src/backend-test.c
  2. 2
      src/backend.c
  3. 125
      src/config.c
  4. 26
      src/config.h
  5. 26
      t/t_config_param.c

8
src/backend-test.c

@ -10,8 +10,8 @@ void usage() {
int main(int argc, char *argv[]) {
const char *ip = "127.0.0.17";
f2b_config_section_t *config = NULL;
f2b_config_section_t *b_conf = NULL;
f2b_config_t *config = NULL;
f2b_config_section_t *section = NULL;
f2b_backend_t *backend = NULL;
if (argc < 3)
@ -22,12 +22,12 @@ int main(int argc, char *argv[]) {
return EXIT_FAILURE;
}
if ((b_conf = f2b_config_find_section(config, t_backend, "test")) == NULL) {
if ((section = f2b_config_section_find(config->backends, "test")) == NULL) {
f2b_log_msg(log_error, "can't find config section for backend '%s'", "test");
return EXIT_FAILURE;
}
if ((backend = f2b_backend_create(config, argv[2])) == NULL) {
if ((backend = f2b_backend_create(section, argv[2])) == NULL) {
f2b_log_msg(log_error, "can't create backend");
return EXIT_FAILURE;
}

2
src/backend.c

@ -13,7 +13,7 @@ f2b_backend_create(f2b_config_section_t *config, const char *id) {
assert(config != NULL);
assert(config->type == t_backend);
param = f2b_config_find_param(config->param, BACKEND_LIBRARY_PARAM);
param = f2b_config_param_find(config->param, BACKEND_LIBRARY_PARAM);
if (!param) {
f2b_log_msg(log_error, "can't find '%s' param in backend config", BACKEND_LIBRARY_PARAM);
return NULL;

125
src/config.c

@ -3,7 +3,7 @@
#include "log.h"
f2b_config_param_t *
f2b_config_parse_kv_pair(const char *src) {
f2b_config_param_create(const char *src) {
f2b_config_param_t *param = NULL;
char line[CONFIG_LINE_MAX] = "";
char *p, *key, *value;
@ -63,12 +63,26 @@ f2b_config_parse_kv_pair(const char *src) {
return NULL;
}
f2b_config_param_t *
f2b_config_param_find(f2b_config_param_t *param, const char *name) {
for (; param != NULL; param = param->next) {
if (strcmp(name, param->name) == 0)
return param;
}
return NULL;
}
f2b_config_section_t *
f2b_config_parse_section(const char *src) {
f2b_config_section_create(const char *src) {
f2b_config_section_t *section = NULL;
char line[CONFIG_LINE_MAX] = "";
char *name, *end;
assert(src != NULL);
assert(*src == '[');
src++;
strncpy(line, src, sizeof(line));
line[CONFIG_LINE_MAX] = '\0';
@ -79,20 +93,26 @@ f2b_config_parse_section(const char *src) {
if ((section = calloc(1, sizeof(f2b_config_section_t))) == NULL)
return NULL;
name = "[defaults]";
name = "main";
if (strncmp(line, name, strlen(name)) == 0) {
section->type = t_main;
return section;
}
name = "defaults";
if (strncmp(line, name, strlen(name)) == 0) {
section->type = t_defaults;
return section;
}
name = "[backend:";
name = "backend:";
if (strncmp(line, name, strlen(name)) == 0) {
section->type = t_backend;
strncpy(section->name, line + strlen(name), sizeof(section->name));
return section;
}
name = "[jail:";
name = "jail:";
if (strncmp(line, name, strlen(name)) == 0) {
section->type = t_jail;
strncpy(section->name, line + strlen(name), sizeof(section->name));
@ -104,27 +124,17 @@ f2b_config_parse_section(const char *src) {
}
f2b_config_section_t *
f2b_config_find_section(f2b_config_section_t *section, f2b_section_type type, const char *name) {
f2b_config_section_find(f2b_config_section_t *section, const char *name) {
for (; section != NULL; section = section->next) {
if (section->type == type && strcmp(section->name, name) == 0)
if (strcmp(section->name, name) == 0)
return section;
}
return NULL;
}
f2b_config_param_t *
f2b_config_find_param(f2b_config_param_t *param, const char *name) {
for (; param != NULL; param = param->next) {
if (strcmp(name, param->name) == 0)
return param;
}
return NULL;
}
f2b_config_section_t *
f2b_config_append_param(f2b_config_section_t *section, f2b_config_param_t *param) {
f2b_config_section_append(f2b_config_section_t *section, f2b_config_param_t *param) {
if (section->param) {
section->last->next = param;
section->last = section->last->next;
@ -135,15 +145,15 @@ f2b_config_append_param(f2b_config_section_t *section, f2b_config_param_t *param
return section;
}
f2b_config_section_t *
f2b_config_t *
f2b_config_load(const char *path) {
f2b_config_section_t *config = NULL; /* always points to current section */
f2b_config_section_t *section = NULL; /* temp pointer */
f2b_config_t *config = NULL;
f2b_config_section_t *section = NULL; /* always points to current section */
f2b_config_param_t *param = NULL; /* temp pointer */
FILE *f = NULL; /* config file fd */
char *p; /* temp pointer */
char line[CONFIG_LINE_MAX] = ""; /* last read line */
bool skip_section = false; /* if set - skip parameters unless next section */
bool skip_section = true; /* if set - skip parameters unless next section */
size_t linenum = 0; /* current line number in config */
if ((f = fopen(path, "r")) == NULL) {
@ -151,14 +161,18 @@ f2b_config_load(const char *path) {
return NULL;
}
if ((config = calloc(1, sizeof(f2b_config_section_t))) == NULL)
if ((config = calloc(1, sizeof(f2b_config_t))) == NULL)
return NULL;
config->type = t_main;
while (1) {
p = fgets(line, sizeof(line), f);
if (!p && (feof(f) || ferror(f)))
break;
if ((p = strchr(line, '\r')) != NULL)
*p = '\0';
if ((p = strchr(line, '\n')) != NULL)
*p = '\0';
p = line;
while (isblank(*p))
p++;
linenum++;
@ -174,11 +188,10 @@ f2b_config_load(const char *path) {
break;
case '[':
/* section header */
section = f2b_config_parse_section(p);
section = f2b_config_section_create(p);
if (section) {
skip_section = false;
section->next = config;
config = section;
f2b_config_append(config, section);
} else {
skip_section = true;
f2b_log_msg(log_error, "unknown section at line %d: %s", linenum, p);
@ -190,12 +203,12 @@ f2b_config_load(const char *path) {
continue;
}
/* key/value pair */
param = f2b_config_parse_kv_pair(p);
if (param) {
f2b_config_append_param(config, param);
} else {
param = f2b_config_param_create(p);
if (!param) {
f2b_log_msg(log_error, "can't parse key/value at line %d: %s", linenum, p);
continue;
}
f2b_config_section_append(section, param);
break;
} /* switch */
} /* while */
@ -204,17 +217,45 @@ f2b_config_load(const char *path) {
return config;
}
#define FREE_SECTIONS(SECTION) \
for (; SECTION != NULL; SECTION = ns) { \
ns = SECTION->next; \
for (; SECTION->param != NULL; \
SECTION->param = np) { \
np = SECTION->param->next; \
FREE(SECTION->param); \
} \
}
void
f2b_config_free(f2b_config_t *config) {
f2b_config_section_t *ns = NULL; /* next section */
f2b_config_param_t *np = NULL; /* next param */
FREE_SECTIONS(config->main);
FREE_SECTIONS(config->defaults);
FREE_SECTIONS(config->backends);
FREE_SECTIONS(config->jails);
FREE(config);
}
void
f2b_config_free(f2b_config_section_t *config) {
f2b_config_section_t *next_section = NULL;
f2b_config_param_t *next_param = NULL;
for (; config != NULL; config = next_section) {
next_section = config->next;
for (; config->param != NULL; config->param = next_param) {
next_param = config->param->next;
FREE(config->param);
}
FREE(config);
f2b_config_append(f2b_config_t *config, f2b_config_section_t *section) {
f2b_config_section_t **s = NULL;
assert(config != NULL);
assert(section != NULL);
switch (section->type) {
case t_main: s = &config->main; break;
case t_defaults: s = &config->defaults; break;
case t_backend: s = &config->backends; break;
case t_jail: s = &config->jails; break;
default:
f2b_log_msg(log_error, "unknown section type");
abort();
break;
}
section->next = *s;
*s = section;
}

26
src/config.h

@ -28,13 +28,21 @@ typedef struct f2b_config_section_t {
f2b_config_param_t *last;
} f2b_config_section_t;
f2b_config_param_t * f2b_config_parse_kv_pair(const char *line);
f2b_config_param_t * f2b_config_find_param(f2b_config_param_t *param, const char *name);
f2b_config_section_t * f2b_config_parse_section(const char *line);
f2b_config_section_t * f2b_config_find_section(f2b_config_section_t *section, f2b_section_type type, const char *name);
f2b_config_section_t * f2b_config_append_param(f2b_config_section_t *section, f2b_config_param_t *param);
f2b_config_section_t * f2b_config_load(const char *path);
void f2b_config_free(f2b_config_section_t *config);
typedef struct f2b_config_t {
f2b_config_section_t *main;
f2b_config_section_t *defaults;
f2b_config_section_t *backends;
f2b_config_section_t *jails;
} f2b_config_t;
f2b_config_param_t * f2b_config_param_create(const char *line);
f2b_config_param_t * f2b_config_param_find (f2b_config_param_t *param, const char *name);
f2b_config_section_t * f2b_config_section_create(const char *line);
f2b_config_section_t * f2b_config_section_find (f2b_config_section_t *s, const char *name);
f2b_config_section_t * f2b_config_section_append(f2b_config_section_t *s, f2b_config_param_t *p);
f2b_config_t * f2b_config_load (const char *path);
void f2b_config_free (f2b_config_t *c);
void f2b_config_append(f2b_config_t *c, f2b_config_section_t *s);
#endif /* CONFIG_H_ */

26
t/t_config_param.c

@ -4,32 +4,32 @@
int main() {
f2b_config_param_t *param = NULL;
assert(f2b_config_parse_kv_pair("") == NULL);
assert(f2b_config_parse_kv_pair("#") == NULL);
assert(f2b_config_parse_kv_pair("=") == NULL);
assert(f2b_config_parse_kv_pair("key=") == NULL);
assert(f2b_config_parse_kv_pair("key =") == NULL);
assert(f2b_config_parse_kv_pair("key = ") == NULL);
assert(f2b_config_parse_kv_pair( "=value") == NULL);
assert(f2b_config_parse_kv_pair( "= value") == NULL);
assert(f2b_config_parse_kv_pair(" = value") == NULL);
assert(f2b_config_param_create("") == NULL);
assert(f2b_config_param_create("#") == NULL);
assert(f2b_config_param_create("=") == NULL);
assert(f2b_config_param_create("key=") == NULL);
assert(f2b_config_param_create("key =") == NULL);
assert(f2b_config_param_create("key = ") == NULL);
assert(f2b_config_param_create( "=value") == NULL);
assert(f2b_config_param_create( "= value") == NULL);
assert(f2b_config_param_create(" = value") == NULL);
assert((param = f2b_config_parse_kv_pair("key=value")) != NULL);
assert((param = f2b_config_param_create("key=value")) != NULL);
assert(strcmp(param->name, "key") == 0);
assert(strcmp(param->value, "value") == 0);
free(param);
assert((param = f2b_config_parse_kv_pair("key = value")) != NULL);
assert((param = f2b_config_param_create("key = value")) != NULL);
assert(strcmp(param->name, "key") == 0);
assert(strcmp(param->value, "value") == 0);
free(param);
assert((param = f2b_config_parse_kv_pair("key=value #comment")) != NULL);
assert((param = f2b_config_param_create("key=value #comment")) != NULL);
assert(strcmp(param->name, "key") == 0);
assert(strcmp(param->value, "value") == 0);
free(param);
assert((param = f2b_config_parse_kv_pair("key=value#compose")) != NULL);
assert((param = f2b_config_param_create("key=value#compose")) != NULL);
assert(strcmp(param->name, "key") == 0);
assert(strcmp(param->value, "value#compose") == 0);
free(param);

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