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-rw-r--r--networking/Config.in2
-rw-r--r--networking/brctl.c4
-rw-r--r--networking/ifconfig.c2
-rw-r--r--networking/ifenslave.c40
-rw-r--r--networking/interface.c32
-rw-r--r--networking/nameif.c13
-rw-r--r--networking/vconfig.c5
7 files changed, 47 insertions, 51 deletions
diff --git a/networking/Config.in b/networking/Config.in
index f7f189cd6..fb6988b41 100644
--- a/networking/Config.in
+++ b/networking/Config.in
@@ -576,7 +576,7 @@ config NAMEIF
Renamed interfaces MUST be in the down state.
It is possible to use a file (default: /etc/mactab)
with list of new interface names and MACs.
- Maximum interface name length: IF_NAMESIZE = 16
+ Maximum interface name length: IFNAMSIZ = 16
File fields are separated by space or tab.
File format:
# Comment
diff --git a/networking/brctl.c b/networking/brctl.c
index bd13878b2..acc789722 100644
--- a/networking/brctl.c
+++ b/networking/brctl.c
@@ -137,7 +137,7 @@ int brctl_main(int argc ATTRIBUTE_UNUSED, char **argv)
if (!if_indextoname(bridx[i], brname))
bb_perror_msg_and_die("can't get bridge name for index %d", i);
- safe_strncpy(ifr.ifr_name, brname, IFNAMSIZ);
+ strncpy(ifr.ifr_name, brname, IFNAMSIZ);
arm_ioctl(args, BRCTL_GET_BRIDGE_INFO,
(unsigned long) &bi, 0);
@@ -191,7 +191,7 @@ int brctl_main(int argc ATTRIBUTE_UNUSED, char **argv)
if (!*argv) /* all but 'addif/delif' need at least two arguments */
bb_show_usage();
- safe_strncpy(ifr.ifr_name, br, IFNAMSIZ);
+ strncpy(ifr.ifr_name, br, IFNAMSIZ);
if (key == ARG_addif || key == ARG_delif) { /* addif or delif */
brif = *argv;
ifr.ifr_ifindex = if_nametoindex(brif);
diff --git a/networking/ifconfig.c b/networking/ifconfig.c
index fcbeb2420..9e95533cc 100644
--- a/networking/ifconfig.c
+++ b/networking/ifconfig.c
@@ -315,7 +315,7 @@ int ifconfig_main(int argc, char **argv)
sockfd = xsocket(AF_INET, SOCK_DGRAM, 0);
/* get interface name */
- safe_strncpy(ifr.ifr_name, *argv, IFNAMSIZ);
+ strncpy(ifr.ifr_name, *argv, IFNAMSIZ);
/* Process the remaining arguments. */
while (*++argv != (char *) NULL) {
diff --git a/networking/ifenslave.c b/networking/ifenslave.c
index b11951758..0aa232028 100644
--- a/networking/ifenslave.c
+++ b/networking/ifenslave.c
@@ -148,6 +148,10 @@ static void change_active(char *master_ifname, char *slave_ifname);
static int enslave(char *master_ifname, char *slave_ifname);
static int release(char *master_ifname, char *slave_ifname);
+static void strncpy_IFNAMSIZ(char *dst, const char *src)
+{
+ strncpy(dst, src, IFNAMSIZ);
+}
int ifenslave_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int ifenslave_main(int argc ATTRIBUTE_UNUSED, char **argv)
@@ -302,7 +306,7 @@ static void get_drv_info(char *master_ifname)
struct ethtool_drvinfo info;
memset(&ifr, 0, sizeof(ifr));
- strncpy(ifr.ifr_name, master_ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(ifr.ifr_name, master_ifname);
ifr.ifr_data = (caddr_t)&info;
info.cmd = ETHTOOL_GDRVINFO;
@@ -332,8 +336,8 @@ static void change_active(char *master_ifname, char *slave_ifname)
slave_ifname);
}
- strncpy(ifr.ifr_name, master_ifname, IFNAMSIZ);
- strncpy(ifr.ifr_slave, slave_ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(ifr.ifr_name, master_ifname);
+ strncpy_IFNAMSIZ(ifr.ifr_slave, slave_ifname);
if (ioctl(skfd, SIOCBONDCHANGEACTIVE, &ifr) < 0
&& ioctl(skfd, BOND_CHANGE_ACTIVE_OLD, &ifr) < 0
) {
@@ -448,8 +452,8 @@ static int enslave(char *master_ifname, char *slave_ifname)
}
/* Do the real thing */
- strncpy(ifr.ifr_name, master_ifname, IFNAMSIZ);
- strncpy(ifr.ifr_slave, slave_ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(ifr.ifr_name, master_ifname);
+ strncpy_IFNAMSIZ(ifr.ifr_slave, slave_ifname);
if (ioctl(skfd, SIOCBONDENSLAVE, &ifr) < 0
&& ioctl(skfd, BOND_ENSLAVE_OLD, &ifr) < 0
) {
@@ -484,8 +488,8 @@ static int release(char *master_ifname, char *slave_ifname)
return 1;
}
- strncpy(ifr.ifr_name, master_ifname, IFNAMSIZ);
- strncpy(ifr.ifr_slave, slave_ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(ifr.ifr_name, master_ifname);
+ strncpy_IFNAMSIZ(ifr.ifr_slave, slave_ifname);
if (ioctl(skfd, SIOCBONDRELEASE, &ifr) < 0
&& ioctl(skfd, BOND_RELEASE_OLD, &ifr) < 0
) {
@@ -508,11 +512,11 @@ static int get_if_settings(char *ifname, struct dev_data *dd)
{
int res;
- strncpy(dd->mtu.ifr_name, ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(dd->mtu.ifr_name, ifname);
res = ioctl(skfd, SIOCGIFMTU, &dd->mtu);
- strncpy(dd->flags.ifr_name, ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(dd->flags.ifr_name, ifname);
res |= ioctl(skfd, SIOCGIFFLAGS, &dd->flags);
- strncpy(dd->hwaddr.ifr_name, ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(dd->hwaddr.ifr_name, ifname);
res |= ioctl(skfd, SIOCGIFHWADDR, &dd->hwaddr);
return res;
@@ -520,7 +524,7 @@ static int get_if_settings(char *ifname, struct dev_data *dd)
static int get_slave_flags(char *slave_ifname)
{
- strncpy(slave.flags.ifr_name, slave_ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(slave.flags.ifr_name, slave_ifname);
return ioctl(skfd, SIOCGIFFLAGS, &slave.flags);
}
@@ -528,7 +532,7 @@ static int set_master_hwaddr(char *master_ifname, struct sockaddr *hwaddr)
{
struct ifreq ifr;
- strncpy(ifr.ifr_name, master_ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(ifr.ifr_name, master_ifname);
memcpy(&(ifr.ifr_hwaddr), hwaddr, sizeof(struct sockaddr));
return ioctl(skfd, SIOCSIFHWADDR, &ifr);
}
@@ -537,7 +541,7 @@ static int set_slave_hwaddr(char *slave_ifname, struct sockaddr *hwaddr)
{
struct ifreq ifr;
- strncpy(ifr.ifr_name, slave_ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(ifr.ifr_name, slave_ifname);
memcpy(&(ifr.ifr_hwaddr), hwaddr, sizeof(struct sockaddr));
return ioctl(skfd, SIOCSIFHWADDR, &ifr);
}
@@ -547,7 +551,7 @@ static int set_slave_mtu(char *slave_ifname, int mtu)
struct ifreq ifr;
ifr.ifr_mtu = mtu;
- strncpy(ifr.ifr_name, slave_ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(ifr.ifr_name, slave_ifname);
return ioctl(skfd, SIOCSIFMTU, &ifr);
}
@@ -556,7 +560,7 @@ static int set_if_flags(char *ifname, short flags)
struct ifreq ifr;
ifr.ifr_flags = flags;
- strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
return ioctl(skfd, SIOCSIFFLAGS, &ifr);
}
@@ -580,7 +584,7 @@ static int clear_if_addr(char *ifname)
{
struct ifreq ifr;
- strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(ifr.ifr_name, ifname);
ifr.ifr_addr.sa_family = AF_INET;
memset(ifr.ifr_addr.sa_data, 0, sizeof(ifr.ifr_addr.sa_data));
return ioctl(skfd, SIOCSIFADDR, &ifr);
@@ -603,7 +607,7 @@ static int set_if_addr(char *master_ifname, char *slave_ifname)
int i;
for (i = 0; i < ARRAY_SIZE(ifra); i++) {
- strncpy(ifr.ifr_name, master_ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(ifr.ifr_name, master_ifname);
res = ioctl(skfd, ifra[i].g_ioctl, &ifr);
if (res < 0) {
ifr.ifr_addr.sa_family = AF_INET;
@@ -611,7 +615,7 @@ static int set_if_addr(char *master_ifname, char *slave_ifname)
sizeof(ifr.ifr_addr.sa_data));
}
- strncpy(ifr.ifr_name, slave_ifname, IFNAMSIZ);
+ strncpy_IFNAMSIZ(ifr.ifr_name, slave_ifname);
res = ioctl(skfd, ifra[i].s_ioctl, &ifr);
if (res < 0)
return res;
diff --git a/networking/interface.c b/networking/interface.c
index 44bd8d3d9..f5c94f1ac 100644
--- a/networking/interface.c
+++ b/networking/interface.c
@@ -321,23 +321,23 @@ struct user_net_device_stats {
struct interface {
struct interface *next, *prev;
- char name[IFNAMSIZ]; /* interface name */
- short type; /* if type */
- short flags; /* various flags */
- int metric; /* routing metric */
- int mtu; /* MTU value */
- int tx_queue_len; /* transmit queue length */
- struct ifmap map; /* hardware setup */
- struct sockaddr addr; /* IP address */
- struct sockaddr dstaddr; /* P-P IP address */
- struct sockaddr broadaddr; /* IP broadcast address */
- struct sockaddr netmask; /* IP network mask */
+ char name[IFNAMSIZ]; /* interface name */
+ short type; /* if type */
+ short flags; /* various flags */
+ int metric; /* routing metric */
+ int mtu; /* MTU value */
+ int tx_queue_len; /* transmit queue length */
+ struct ifmap map; /* hardware setup */
+ struct sockaddr addr; /* IP address */
+ struct sockaddr dstaddr; /* P-P IP address */
+ struct sockaddr broadaddr; /* IP broadcast address */
+ struct sockaddr netmask; /* IP network mask */
int has_ip;
- char hwaddr[32]; /* HW address */
+ char hwaddr[32]; /* HW address */
int statistics_valid;
- struct user_net_device_stats stats; /* statistics */
- int keepalive; /* keepalive value for SLIP */
- int outfill; /* outfill value for SLIP */
+ struct user_net_device_stats stats; /* statistics */
+ int keepalive; /* keepalive value for SLIP */
+ int outfill; /* outfill value for SLIP */
};
@@ -388,7 +388,7 @@ static struct interface *add_interface(char *name)
}
new = xzalloc(sizeof(*new));
- safe_strncpy(new->name, name, IFNAMSIZ);
+ strncpy(new->name, name, IFNAMSIZ);
nextp = ife ? &ife->next : &int_list;
new->prev = ife;
new->next = *nextp;
diff --git a/networking/nameif.c b/networking/nameif.c
index afc88917e..f3d333baf 100644
--- a/networking/nameif.c
+++ b/networking/nameif.c
@@ -16,16 +16,11 @@
#include <netinet/ether.h>
#include <linux/sockios.h>
-/* Older versions of net/if.h do not appear to define IF_NAMESIZE. */
-#ifndef IF_NAMESIZE
-# ifdef IFNAMSIZ
-# define IF_NAMESIZE IFNAMSIZ
-# else
-# define IF_NAMESIZE 16
-# endif
+#ifndef IFNAMSIZ
+#define IFNAMSIZ 16
#endif
-/* take from linux/sockios.h */
+/* Taken from linux/sockios.h */
#define SIOCSIFNAME 0x8923 /* set interface name */
/* Octets in one Ethernet addr, from <linux/if_ether.h> */
@@ -111,7 +106,7 @@ static void nameif_parse_selector(ethtable_t *ch, char *selector)
static void prepend_new_eth_table(ethtable_t **clist, char *ifname, char *selector)
{
ethtable_t *ch;
- if (strlen(ifname) >= IF_NAMESIZE)
+ if (strlen(ifname) >= IFNAMSIZ)
bb_error_msg_and_die("interface name '%s' too long", ifname);
ch = xzalloc(sizeof(*ch));
ch->ifname = xstrdup(ifname);
diff --git a/networking/vconfig.c b/networking/vconfig.c
index 7b6c2fa04..3f12e7609 100644
--- a/networking/vconfig.c
+++ b/networking/vconfig.c
@@ -133,10 +133,7 @@ int vconfig_main(int argc, char **argv)
if (ifr.cmd == SET_VLAN_NAME_TYPE_CMD) { /* set_name_type */
ifr.u.name_type = *xfind_str(name_types+1, argv[1]);
} else {
- if (strlen(argv[1]) >= IF_NAMESIZE) {
- bb_error_msg_and_die("if_name >= %d chars", IF_NAMESIZE);
- }
- strcpy(ifr.device1, argv[1]);
+ strncpy(ifr.device1, argv[1], IFNAMSIZ);
p = argv[2];
/* I suppose one could try to combine some of the function calls below,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 10:51:50 +0000