1 files changed, 129 insertions, 0 deletions
diff --git a/src/util/nscd.c b/src/util/nscd.c
index b9f2ba88c..2a06394d3 100644
--- a/src/util/nscd.c
+++ b/src/util/nscd.c
@@ -95,3 +95,132 @@ int flush_nscd_cache(enum nscd_db flush_db)
     return EOK;
 }
 #endif
+
+/* NSCD config file parse and check */
+
+static unsigned int sss_nscd_check_service(char* svc_name)
+{
+    struct sss_nscd_db {
+        const char *svc_type_name;
+        unsigned int nscd_service_flag;
+    };
+
+    int i;
+    unsigned int ret = 0;
+    struct sss_nscd_db db[] = {
+        { "passwd",   0x0001 },
+        { "group",    0x0010 },
+        { "netgroup", 0x0100 },
+        { "services", 0x1000 },
+        { NULL,       0   }
+    };
+
+    if (svc_name == NULL) {
+        return ret;
+    }
+
+    for (i = 0; db[i].svc_type_name != NULL; i++) {
+        if (!strcmp(db[i].svc_type_name, svc_name)) {
+
+            ret = db[i].nscd_service_flag;
+            break;
+        }
+    }
+
+    return ret;
+}
+
+errno_t sss_nscd_parse_conf(const char *conf_path)
+{
+    FILE *fp;
+    int ret = EOK;
+    unsigned int occured = 0;
+    char *line, *entry, *service, *enabled, *pad;
+    size_t linelen = 0;
+
+    fp = fopen(conf_path, "r");
+    if (fp == NULL) {
+        DEBUG(SSSDBG_MINOR_FAILURE, ("Couldn't open NSCD configuration "
+                    "file [%s]\n", NSCD_CONF_PATH));
+        return ENOENT;
+    }
+
+    while (getline(&line, &linelen, fp) != -1) {
+
+        entry = NULL;
+        service = NULL;
+        enabled = NULL;
+
+        pad = strchr(line, '#');
+        if (pad != NULL) {
+            *pad = '\0';
+        }
+
+        if (line[0] == '\n' || line[0] == '\0') continue;
+
+        entry = line;
+        while (isspace(*entry) && *entry != '\0') {
+            entry++;
+        }
+
+        pad = entry;
+        while (!isspace(*pad) && *pad != '\0') {
+            pad++;
+        }
+
+        service = pad;
+        while (isspace(*service) && *service != '\0') {
+            service++;
+        }
+
+        *pad = '\0';
+        pad = service;
+        while (!isspace(*pad) && *pad != '\0') {
+            pad++;
+        }
+
+        enabled = pad;
+        while (isspace(*enabled) && *enabled != '\0') {
+            enabled++;
+        }
+
+        *pad = '\0';
+        pad = enabled;
+        while (!isspace(*pad) && *pad != '\0') {
+            pad++;
+        }
+        *pad = '\0';
+
+        if (entry   != NULL &&
+            service != NULL &&
+            enabled != NULL) {
+
+            if (!strcmp(entry, "enable-cache") &&
+                !strcmp(enabled, "yes")) {
+
+                occured |= sss_nscd_check_service(service);
+            }
+        }
+    };
+
+    ret = ferror(fp);
+    if (ret) {
+        DEBUG(SSSDBG_MINOR_FAILURE, ("Reading NSCD configuration file [%s] "
+              "ended with failure [%d]: %s.\n",
+              NSCD_CONF_PATH, ret, strerror(ret)));
+        ret = ENOENT;
+        goto done;
+    }
+
+    ret = EOK;
+    if (occured != 0) {
+        ret = EEXIST;
+        goto done;
+    }
+
+done:
+    free(line);
+    fclose(fp);
+
+    return ret;
+}