dnsd,sestatus: use libbb to parse config file (by Vladimir)
authorDenis Vlasenko <vda.linux@googlemail.com>
Sun, 20 Jul 2008 17:48:59 +0000 (17:48 -0000)
committerDenis Vlasenko <vda.linux@googlemail.com>
Sun, 20 Jul 2008 17:48:59 +0000 (17:48 -0000)
function                                             old     new   delta
dnsd_main                                           1544    1487     -57

networking/dnsd.c
selinux/sestatus.c

index 8512f0c..0047a84 100644 (file)
@@ -102,74 +102,46 @@ static void undot(uint8_t * rip)
 }
 
 /*
- * Read one line of hostname/IP from file
- * Returns 0 for each valid entry read, -1 at EOF
- * Assumes all host names are lower case only
- * Hostnames with more than one label are not handled correctly.
- * Presently the dot is copied into name without
- * converting to a length/string substring for that label.
- */
-static int getfileentry(FILE *fp, struct dns_entry *s)
-{
-       unsigned int a,b,c,d;
-       char *line, *r, *name;
-
- restart:
-       line = r = xmalloc_fgets(fp);
-       if (!r)
-               return -1;
-       while (*r == ' ' || *r == '\t') {
-               r++;
-               if (!*r || *r == '#' || *r == '\n') {
-                       free(line);
-                       goto restart; /* skipping empty/blank and commented lines  */
-               }
-       }
-       name = r;
-       while (*r != ' ' && *r != '\t')
-               r++;
-       *r++ = '\0';
-       if (sscanf(r, ".%u.%u.%u.%u"+1, &a, &b, &c, &d) != 4) {
-               free(line);
-               goto restart; /* skipping wrong lines */
-       }
-
-       sprintf(s->ip, ".%u.%u.%u.%u"+1, a, b, c, d);
-       sprintf(s->rip, ".%u.%u.%u.%u", d, c, b, a);
-       undot((uint8_t*)s->rip);
-       convname(s->name, (uint8_t*)name);
-
-       if (OPT_verbose)
-               fprintf(stderr, "\tname:%s, ip:%s\n", &(s->name[1]),s->ip);
-
-       free(line);
-       return 0;
-}
-
-/*
  * Read hostname/IP records from file
  */
 static void dnsentryinit(void)
 {
-       FILE *fp;
+       parser_t *parser;
        struct dns_entry *m, *prev;
 
        prev = dnsentry = NULL;
-       fp = xfopen(fileconf, "r");
-
-       while (1) {
-               m = xzalloc(sizeof(*m));
-               /*m->next = NULL;*/
-               if (getfileentry(fp, m))
-                       break;
-
-               if (prev == NULL)
-                       dnsentry = m;
-               else
-                       prev->next = m;
-               prev = m;
+       parser = config_open(fileconf);
+       if (parser) {
+               char *token[2];
+               while (config_read(parser, token, 2, 0, "# \t", 0)) {
+                       unsigned int a,b,c,d;
+                       /*
+                        * Assumes all host names are lower case only
+                        * Hostnames with more than one label are not handled correctly.
+                        * Presently the dot is copied into name without
+                        * converting to a length/string substring for that label.
+                        */
+                       if (!token[1] || sscanf(token[1], ".%u.%u.%u.%u"+1, &a, &b, &c, &d) != 4)
+                               continue;
+
+                       m = xzalloc(sizeof(*m));
+                       /*m->next = NULL;*/
+                       sprintf(m->ip, ".%u.%u.%u.%u"+1, a, b, c, d);
+                       sprintf(m->rip, ".%u.%u.%u.%u", d, c, b, a);
+                       undot((uint8_t*)m->rip);
+                       convname(m->name, (uint8_t*)token[0]);
+
+                       if (OPT_verbose)
+                               fprintf(stderr, "\tname:%s, ip:%s\n", &(m->name[1]), m->ip);
+
+                       if (prev == NULL)
+                               dnsentry = m;
+                       else
+                               prev->next = m;
+                       prev = m;
+               }
+               config_close(parser);
        }
-       fclose(fp);
 }
 
 /*
index 3b027ee..1351600 100644 (file)
@@ -47,31 +47,17 @@ static void display_boolean(void)
 
 static void read_config(char **pc, int npc, char **fc, int nfc)
 {
-       char buf[256];
-       FILE *fp;
+       char *buf;
+       parser_t *parser;
        int pc_ofs = 0, fc_ofs = 0, section = -1;
 
        pc[0] = fc[0] = NULL;
 
-       fp = fopen("/etc/sestatus.conf", "rb");
-       if (fp == NULL)
+       parser = config_open("/etc/sestatus.conf");
+       if (!parser)
                return;
 
-       while (fgets(buf, sizeof(buf), fp) != NULL) {
-               int i, c;
-
-               /* kills comments */
-               for (i = 0; (c = buf[i]) != '\0'; i++) {
-                       if (c == '#') {
-                               buf[i] = '\0';
-                               break;
-                       }
-               }
-               trim(buf);
-
-               if (buf[0] == '\0')
-                       continue;
-
+       while (config_read(parser, &buf, 1, 1, "# \t", PARSE_LAST_IS_GREEDY)) {
                if (strcmp(buf, "[process]") == 0) {
                        section = 1;
                } else if (strcmp(buf, "[files]") == 0) {
@@ -86,7 +72,7 @@ static void read_config(char **pc, int npc, char **fc, int nfc)
                        }
                }
        }
-       fclose(fp);
+       config_close(parser);
 }
 
 static void display_verbose(void)