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-rw-r--r--accel-pppd/radius/dict.c356
1 files changed, 356 insertions, 0 deletions
diff --git a/accel-pppd/radius/dict.c b/accel-pppd/radius/dict.c
new file mode 100644
index 0000000..9704569
--- /dev/null
+++ b/accel-pppd/radius/dict.c
@@ -0,0 +1,356 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <limits.h>
+
+#include "list.h"
+#include "radius_p.h"
+#include "log.h"
+
+#include "memdebug.h"
+
+static struct rad_dict_t *dict;
+
+static char *skip_word(char *ptr)
+{
+ for(; *ptr; ptr++)
+ if (*ptr == ' ' || *ptr == '\t' || *ptr == '\n')
+ break;
+ return ptr;
+}
+static char *skip_space(char *ptr)
+{
+ for(; *ptr; ptr++)
+ if (*ptr != ' ' && *ptr != '\t')
+ break;
+ return ptr;
+}
+static int split(char *buf, char **ptr)
+{
+ int i;
+
+ for (i = 0; i < 3; i++) {
+ buf = skip_word(buf);
+ if (!*buf)
+ return i;
+
+ *buf = 0;
+
+ buf = skip_space(buf + 1);
+ if (!*buf)
+ return i;
+
+ ptr[i] = buf;
+ }
+
+ buf = skip_word(buf);
+ //if (*buf == '\n')
+ *buf = 0;
+ //else if (*buf)
+ // return -1;
+
+ return i;
+}
+
+struct rad_dict_attr_t *find_attr(struct list_head *items, const char *name)
+{
+ struct rad_dict_attr_t *attr;
+
+ list_for_each_entry(attr, items, entry)
+ if (!strcmp(attr->name, name))
+ return attr;
+
+ return NULL;
+}
+
+#define BUF_SIZE 1024
+
+static char *path, *fname1, *buf;
+static int dict_load(const char *fname)
+{
+ FILE *f;
+ char *ptr[3], *endptr;
+ int r, n = 0;
+ struct rad_dict_attr_t *attr;
+ struct rad_dict_value_t *val;
+ struct rad_dict_vendor_t *vendor;
+ struct list_head *items;
+
+ f = fopen(fname, "r");
+ if (!f) {
+ log_emerg("radius: open dictioanary '%s': %s\n", fname, strerror(errno));
+ return -1;
+ }
+
+ items = &dict->items;
+
+ while (fgets(buf, BUF_SIZE, f)) {
+ n++;
+ if (buf[0] == '#' || buf[0] == '\n' || buf[0] == 0)
+ continue;
+ r = split(buf, ptr);
+ if (r == 1) {
+ if (!strcmp(buf, "BEGIN-VENDOR")) {
+ vendor = rad_dict_find_vendor_name(ptr[0]);
+ if (!vendor) {
+ log_emerg("radius:%s:%i: vendor not found\n", fname, n);
+ goto out_err;
+ }
+ items = &vendor->items;
+ } else if (!strcmp(buf, "END-VENDOR"))
+ items = &dict->items;
+ else if (!strcmp(buf, "$INCLUDE")) {
+ for (r = strlen(path) - 1; r; r--)
+ if (path[r] == '/') {
+ path[r + 1] = 0;
+ break;
+ }
+ strcpy(fname1, path);
+ strcat(fname1, ptr[0]);
+ if (dict_load(fname1))
+ goto out_err;
+ } else
+ goto out_err_syntax;
+ } else if (r == 2) {
+ if (!strcmp(buf, "VENDOR")) {
+ vendor = malloc(sizeof(*vendor));
+ if (!vendor) {
+ log_emerg("radius: out of memory\n");
+ goto out_err;
+ }
+ vendor->id = strtol(ptr[1], &endptr, 10);
+ if (*endptr != 0)
+ goto out_err_syntax;
+ vendor->name = strdup(ptr[0]);
+ if (!vendor->name) {
+ log_emerg("radius: out of memory\n");
+ goto out_err;
+ }
+ INIT_LIST_HEAD(&vendor->items);
+ list_add_tail(&vendor->entry, &dict->vendors);
+ } else
+ goto out_err_syntax;
+ } else if (r == 3) {
+ if (!strcmp(buf, "ATTRIBUTE")) {
+ attr = malloc(sizeof(*attr));
+ if (!attr) {
+ log_emerg("radius: out of memory\n");
+ goto out_err;
+ }
+ memset(attr, 0, sizeof(*attr));
+ INIT_LIST_HEAD(&attr->values);
+ list_add_tail(&attr->entry, items);
+ attr->name = strdup(ptr[0]);
+ attr->id = strtol(ptr[1], &endptr, 10);
+ if (*endptr != 0)
+ goto out_err_syntax;
+ if (!strcmp(ptr[2], "integer"))
+ attr->type = ATTR_TYPE_INTEGER;
+ else if (!strcmp(ptr[2], "string"))
+ attr->type = ATTR_TYPE_STRING;
+ else if (!strcmp(ptr[2], "date"))
+ attr->type = ATTR_TYPE_DATE;
+ else if (!strcmp(ptr[2], "ipaddr"))
+ attr->type = ATTR_TYPE_IPADDR;
+ else if (!strcmp(ptr[2], "octets"))
+ attr->type = ATTR_TYPE_OCTETS;
+ else {
+ log_emerg("radius:%s:%i: unknown attribute type\n", fname, n);
+ goto out_err;
+ }
+ } else if (!strcmp(buf, "VALUE")) {
+ attr = find_attr(items, ptr[0]);
+ if (!attr) {
+ log_emerg("radius:%s:%i: unknown attribute\n", fname, n);
+ goto out_err;
+ }
+ val = malloc(sizeof(*val));
+ if (!val) {
+ log_emerg("radius: out of memory\n");
+ goto out_err;
+ }
+ memset(val, 0, sizeof(*val));
+ list_add_tail(&val->entry, &attr->values);
+ val->name = strdup(ptr[1]);
+ switch (attr->type) {
+ case ATTR_TYPE_INTEGER:
+ val->val.integer = strtol(ptr[2], &endptr, 10);
+ if (*endptr != 0)
+ goto out_err_syntax;
+ break;
+ case ATTR_TYPE_STRING:
+ val->val.string = strdup(ptr[2]);
+ break;
+ case ATTR_TYPE_DATE:
+ log_warn("radius:%s:%i: VALUE of type 'date' is not implemented yet\n", fname, n);
+ break;
+ case ATTR_TYPE_IPADDR:
+ log_warn("radius:%s:%i: VALUE of type 'ipaddr' is not implemented yet\n", fname, n);
+ break;
+ }
+ } else
+ goto out_err_syntax;
+ } else
+ goto out_err_syntax;
+ }
+
+ fclose(f);
+
+ return 0;
+
+out_err_syntax:
+ log_emerg("radius:%s:%i: syntaxis error\n", fname, n);
+out_err:
+ fclose(f);
+ return -1;
+}
+
+int rad_dict_load(const char *fname)
+{
+ int r = -1;
+
+ dict = malloc(sizeof(*dict));
+ if (!dict) {
+ log_emerg("radius: out of memory\n");
+ return -1;
+ }
+ INIT_LIST_HEAD(&dict->items);
+ INIT_LIST_HEAD(&dict->vendors);
+
+ path = _malloc(PATH_MAX);
+ if (!path) {
+ log_emerg("radius: out of memory\n");
+ goto out_free_dict;
+ }
+
+ fname1 = _malloc(PATH_MAX);
+ if (!fname1) {
+ log_emerg("radius: out of memory\n");
+ goto out_free_path;
+ }
+
+ buf = _malloc(BUF_SIZE);
+ if (!buf) {
+ log_emerg("radius: out of memory\n");
+ goto out_free_fname1;
+ }
+
+ strcpy(path, fname);
+
+ r = dict_load(fname);
+
+out_free_fname1:
+ _free(fname1);
+out_free_path:
+ _free(path);
+out_free_dict:
+ if (r)
+ rad_dict_free(dict);
+ return r;
+}
+
+void rad_dict_free(struct rad_dict_t *dict)
+{
+ struct rad_dict_attr_t *attr;
+ struct rad_dict_value_t *val;
+
+ while (!list_empty(&dict->items)) {
+ attr = list_entry(dict->items.next, typeof(*attr), entry);
+ while (!list_empty(&attr->values)) {
+ val = list_entry(attr->values.next, typeof(*val), entry);
+ list_del(&val->entry);
+ _free((char*)val->name);
+ if (attr->type == ATTR_TYPE_STRING)
+ _free((char*)val->val.string);
+ _free(val);
+ }
+ list_del(&attr->entry);
+ _free((char*)attr->name);
+ _free(attr);
+ }
+ free(dict);
+}
+
+static struct rad_dict_attr_t *dict_find_attr(struct list_head *items, const char *name)
+{
+ struct rad_dict_attr_t *attr;
+
+ list_for_each_entry(attr, items, entry)
+ if (!strcmp(attr->name, name))
+ return attr;
+
+ return NULL;
+}
+
+__export struct rad_dict_attr_t *rad_dict_find_attr(const char *name)
+{
+ return dict_find_attr(&dict->items, name);
+}
+
+__export struct rad_dict_attr_t *rad_dict_find_attr_id(struct rad_dict_vendor_t *vendor, int id)
+{
+ struct rad_dict_attr_t *attr;
+ struct list_head *items = vendor ? &vendor->items : &dict->items;
+
+ list_for_each_entry(attr, items, entry)
+ if (attr->id == id)
+ return attr;
+
+ return NULL;
+}
+
+__export struct rad_dict_value_t *rad_dict_find_val_name(struct rad_dict_attr_t *attr, const char *name)
+{
+ struct rad_dict_value_t *val;
+
+ list_for_each_entry(val, &attr->values, entry)
+ if (!strcmp(val->name, name))
+ return val;
+
+ return NULL;
+}
+
+__export struct rad_dict_value_t *rad_dict_find_val(struct rad_dict_attr_t *attr, rad_value_t v)
+{
+ struct rad_dict_value_t *val;
+
+ if (attr->type != ATTR_TYPE_INTEGER)
+ return NULL;
+
+ list_for_each_entry(val, &attr->values, entry)
+ if (val->val.integer == v.integer)
+ return val;
+
+ return NULL;
+}
+
+__export struct rad_dict_vendor_t *rad_dict_find_vendor_name(const char *name)
+{
+ struct rad_dict_vendor_t *vendor;
+
+ list_for_each_entry(vendor, &dict->vendors, entry) {
+ if (!strcmp(vendor->name, name))
+ return vendor;
+ }
+
+ return NULL;
+}
+
+__export struct rad_dict_vendor_t *rad_dict_find_vendor_id(int id)
+{
+ struct rad_dict_vendor_t *vendor;
+
+ list_for_each_entry(vendor, &dict->vendors, entry) {
+ if (vendor->id == id)
+ return vendor;
+ }
+
+ return NULL;
+}
+
+__export struct rad_dict_attr_t *rad_dict_find_vendor_attr(struct rad_dict_vendor_t *vendor, const char *name)
+{
+ return dict_find_attr(&vendor->items, name);
+}
+