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path: root/zebra/ipforward_proc.c
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Diffstat (limited to 'zebra/ipforward_proc.c')
-rw-r--r--zebra/ipforward_proc.c213
1 files changed, 105 insertions, 108 deletions
diff --git a/zebra/ipforward_proc.c b/zebra/ipforward_proc.c
index 200c50c0ad..c3dcdda55f 100644
--- a/zebra/ipforward_proc.c
+++ b/zebra/ipforward_proc.c
@@ -30,169 +30,166 @@ extern struct zebra_privs_t zserv_privs;
char proc_net_snmp[] = "/proc/net/snmp";
-static void
-dropline (FILE *fp)
+static void dropline(FILE *fp)
{
- int c;
+ int c;
- while ((c = getc (fp)) != '\n')
- ;
+ while ((c = getc(fp)) != '\n')
+ ;
}
-int
-ipforward (void)
+int ipforward(void)
{
- FILE *fp;
- int ipforwarding = 0;
- char buf[10];
-
- fp = fopen (proc_net_snmp, "r");
-
- if (fp == NULL)
- return -1;
-
- /* We don't care about the first line. */
- dropline (fp);
-
- /* Get ip_statistics.IpForwarding :
- 1 => ip forwarding enabled
- 2 => ip forwarding off. */
- if (fgets (buf, 6, fp))
- sscanf (buf, "Ip: %d", &ipforwarding);
-
- fclose(fp);
-
- if (ipforwarding == 1)
- return 1;
-
- return 0;
+ FILE *fp;
+ int ipforwarding = 0;
+ char buf[10];
+
+ fp = fopen(proc_net_snmp, "r");
+
+ if (fp == NULL)
+ return -1;
+
+ /* We don't care about the first line. */
+ dropline(fp);
+
+ /* Get ip_statistics.IpForwarding :
+ 1 => ip forwarding enabled
+ 2 => ip forwarding off. */
+ if (fgets(buf, 6, fp))
+ sscanf(buf, "Ip: %d", &ipforwarding);
+
+ fclose(fp);
+
+ if (ipforwarding == 1)
+ return 1;
+
+ return 0;
}
/* char proc_ipv4_forwarding[] = "/proc/sys/net/ipv4/conf/all/forwarding"; */
char proc_ipv4_forwarding[] = "/proc/sys/net/ipv4/ip_forward";
-int
-ipforward_on (void)
+int ipforward_on(void)
{
- FILE *fp;
-
- if ( zserv_privs.change(ZPRIVS_RAISE) )
- zlog_err ("Can't raise privileges, %s", safe_strerror (errno) );
+ FILE *fp;
+
+ if (zserv_privs.change(ZPRIVS_RAISE))
+ zlog_err("Can't raise privileges, %s", safe_strerror(errno));
- fp = fopen (proc_ipv4_forwarding, "w");
+ fp = fopen(proc_ipv4_forwarding, "w");
- if (fp == NULL) {
- if ( zserv_privs.change(ZPRIVS_LOWER) )
- zlog_err ("Can't lower privileges, %s", safe_strerror (errno));
- return -1;
- }
+ if (fp == NULL) {
+ if (zserv_privs.change(ZPRIVS_LOWER))
+ zlog_err("Can't lower privileges, %s",
+ safe_strerror(errno));
+ return -1;
+ }
- fprintf (fp, "1\n");
+ fprintf(fp, "1\n");
- fclose (fp);
+ fclose(fp);
- if ( zserv_privs.change(ZPRIVS_LOWER) )
- zlog_err ("Can't lower privileges, %s", safe_strerror (errno));
+ if (zserv_privs.change(ZPRIVS_LOWER))
+ zlog_err("Can't lower privileges, %s", safe_strerror(errno));
- return ipforward ();
+ return ipforward();
}
-int
-ipforward_off (void)
+int ipforward_off(void)
{
- FILE *fp;
+ FILE *fp;
- if ( zserv_privs.change(ZPRIVS_RAISE) )
- zlog_err ("Can't raise privileges, %s", safe_strerror (errno));
+ if (zserv_privs.change(ZPRIVS_RAISE))
+ zlog_err("Can't raise privileges, %s", safe_strerror(errno));
- fp = fopen (proc_ipv4_forwarding, "w");
+ fp = fopen(proc_ipv4_forwarding, "w");
- if (fp == NULL) {
- if ( zserv_privs.change(ZPRIVS_LOWER) )
- zlog_err ("Can't lower privileges, %s", safe_strerror (errno));
- return -1;
- }
+ if (fp == NULL) {
+ if (zserv_privs.change(ZPRIVS_LOWER))
+ zlog_err("Can't lower privileges, %s",
+ safe_strerror(errno));
+ return -1;
+ }
- fprintf (fp, "0\n");
+ fprintf(fp, "0\n");
- fclose (fp);
+ fclose(fp);
- if ( zserv_privs.change(ZPRIVS_LOWER) )
- zlog_err ("Can't lower privileges, %s", safe_strerror (errno));
+ if (zserv_privs.change(ZPRIVS_LOWER))
+ zlog_err("Can't lower privileges, %s", safe_strerror(errno));
- return ipforward ();
+ return ipforward();
}
char proc_ipv6_forwarding[] = "/proc/sys/net/ipv6/conf/all/forwarding";
-int
-ipforward_ipv6 (void)
+int ipforward_ipv6(void)
{
- FILE *fp;
- char buf[5];
- int ipforwarding = 0;
+ FILE *fp;
+ char buf[5];
+ int ipforwarding = 0;
- fp = fopen (proc_ipv6_forwarding, "r");
+ fp = fopen(proc_ipv6_forwarding, "r");
- if (fp == NULL)
- return -1;
+ if (fp == NULL)
+ return -1;
- if (fgets (buf, 2, fp))
- sscanf (buf, "%d", &ipforwarding);
+ if (fgets(buf, 2, fp))
+ sscanf(buf, "%d", &ipforwarding);
- fclose (fp);
- return ipforwarding;
+ fclose(fp);
+ return ipforwarding;
}
-int
-ipforward_ipv6_on (void)
+int ipforward_ipv6_on(void)
{
- FILE *fp;
+ FILE *fp;
- if ( zserv_privs.change(ZPRIVS_RAISE) )
- zlog_err ("Can't raise privileges, %s", safe_strerror (errno));
+ if (zserv_privs.change(ZPRIVS_RAISE))
+ zlog_err("Can't raise privileges, %s", safe_strerror(errno));
- fp = fopen (proc_ipv6_forwarding, "w");
+ fp = fopen(proc_ipv6_forwarding, "w");
- if (fp == NULL) {
- if ( zserv_privs.change(ZPRIVS_LOWER) )
- zlog_err ("Can't lower privileges, %s", safe_strerror (errno));
- return -1;
- }
+ if (fp == NULL) {
+ if (zserv_privs.change(ZPRIVS_LOWER))
+ zlog_err("Can't lower privileges, %s",
+ safe_strerror(errno));
+ return -1;
+ }
- fprintf (fp, "1\n");
+ fprintf(fp, "1\n");
- fclose (fp);
+ fclose(fp);
- if ( zserv_privs.change(ZPRIVS_LOWER) )
- zlog_err ("Can't lower privileges, %s", safe_strerror (errno));
+ if (zserv_privs.change(ZPRIVS_LOWER))
+ zlog_err("Can't lower privileges, %s", safe_strerror(errno));
- return ipforward_ipv6 ();
+ return ipforward_ipv6();
}
-int
-ipforward_ipv6_off (void)
+int ipforward_ipv6_off(void)
{
- FILE *fp;
+ FILE *fp;
- if ( zserv_privs.change(ZPRIVS_RAISE) )
- zlog_err ("Can't raise privileges, %s", safe_strerror (errno));
+ if (zserv_privs.change(ZPRIVS_RAISE))
+ zlog_err("Can't raise privileges, %s", safe_strerror(errno));
- fp = fopen (proc_ipv6_forwarding, "w");
+ fp = fopen(proc_ipv6_forwarding, "w");
- if (fp == NULL) {
- if ( zserv_privs.change(ZPRIVS_LOWER) )
- zlog_err ("Can't lower privileges, %s", safe_strerror (errno));
- return -1;
- }
+ if (fp == NULL) {
+ if (zserv_privs.change(ZPRIVS_LOWER))
+ zlog_err("Can't lower privileges, %s",
+ safe_strerror(errno));
+ return -1;
+ }
- fprintf (fp, "0\n");
+ fprintf(fp, "0\n");
- fclose (fp);
+ fclose(fp);
- if ( zserv_privs.change(ZPRIVS_LOWER) )
- zlog_err ("Can't lower privileges, %s", safe_strerror (errno));
+ if (zserv_privs.change(ZPRIVS_LOWER))
+ zlog_err("Can't lower privileges, %s", safe_strerror(errno));
- return ipforward_ipv6 ();
+ return ipforward_ipv6();
}