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lo port is added 127.0.0.1 when freebsd init. 

Sometimes the application need 127.0.0.1 on lo0 after freebsd inited!
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orange30 2021-09-09 14:30:13 +08:00 committed by GitHub
parent b9be57e497
commit e3cd75fdea
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1 changed files with 58 additions and 0 deletions
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58
lib/ff_freebsd_init.c
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@ -47,6 +47,14 @@
#include "ff_api.h"
#include "ff_config.h"
#include <sys/socketvar.h>
#include <sys/sockio.h>
#include <net/if.h>
#include <net/if_var.h>
#include <netinet/in_var.h>
int lo_set_defaultaddr(void);
int ff_freebsd_init(void);
extern void mutex_init(void);
@ -64,6 +72,52 @@ extern cpuset_t all_cpus;
long physmem;
int lo_set_defaultaddr(void)
{
struct in_aliasreq req;
char *addr="127.0.0.1";
char *netmask="255.0.0.0";
struct ifnet *ifp=NULL;
int ret;
IFNET_WLOCK();
TAILQ_FOREACH(ifp, &V_ifnet, if_link)
if ( (ifp->if_flags & IFF_LOOPBACK) != 0 )
break;
IFNET_WUNLOCK();
if(ifp == NULL)
return -1;
bzero(&req, sizeof req);
strcpy(req.ifra_name, ifp->if_xname);
struct sockaddr_in sa;
bzero(&sa, sizeof(sa));
sa.sin_len = sizeof(sa);
sa.sin_family = AF_INET;
inet_pton(AF_INET, addr, &sa.sin_addr.s_addr);
bcopy(&sa, &req.ifra_addr, sizeof(sa));
inet_pton(AF_INET, netmask, &sa.sin_addr.s_addr);
bcopy(&sa, &req.ifra_mask, sizeof(sa));
//sa.sin_addr.s_addr = sc->broadcast;
//bcopy(&sa, &req.ifra_broadaddr, sizeof(sa));
struct socket *so = NULL;
ret = socreate(AF_INET, &so, SOCK_DGRAM, 0, curthread->td_ucred, curthread);
if(ret != 0)
return ret;
ret = ifioctl(so, SIOCAIFADDR, (caddr_t)&req, curthread);
sofree(so);
return ret;
}
int
ff_freebsd_init(void)
{
@ -125,5 +179,9 @@ ff_freebsd_init(void)
cur = cur->next;
}
error = lo_set_defaultaddr();
if(error != 0)
printf("set loopback port default addr failed!");
return (0);
}