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-rw-r--r--toys/pending/ifconfig.c294
1 files changed, 129 insertions, 165 deletions
diff --git a/toys/pending/ifconfig.c b/toys/pending/ifconfig.c
index cffeaf58..2864e3f9 100644
--- a/toys/pending/ifconfig.c
+++ b/toys/pending/ifconfig.c
@@ -10,7 +10,7 @@ USE_IFCONFIG(NEWTOY(ifconfig, "?a", TOYFLAG_BIN))
config IFCONFIG
bool "ifconfig"
- default n
+ default y
help
usage: ifconfig [-a] interface [address]
@@ -37,6 +37,8 @@ config IFCONFIG
GLOBALS(
void *if_list;
+
+ int sockfd;
)
typedef struct sockaddr_with_len {
@@ -71,44 +73,6 @@ struct ifreq_inet6 {
int ifrinet6_ifindex;
};
-#ifndef SIOCSKEEPALIVE
-# define SIOCSKEEPALIVE (SIOCDEVPRIVATE) /* Set keepalive timeout in sec */
-# define SIOCGKEEPALIVE (SIOCDEVPRIVATE+1) /* Get keepalive timeout */
-#endif
-
-#ifndef SIOCSOUTFILL
-# define SIOCSOUTFILL (SIOCDEVPRIVATE+2) /* Set outfill timeout */
-# define SIOCGOUTFILL (SIOCDEVPRIVATE+3) /* Get outfill timeout */
-#endif
-
-/*
- * used to extract the address info from the given host ip
- * and update the swl param accordingly.
- */
-static int get_socket_stream(char *host, sa_family_t af, sockaddr_with_len **swl)
-{
- struct addrinfo hints, *result, *rp;
- int status;
-
- memset(&hints, 0 , sizeof(struct addrinfo));
- hints.ai_family = af;
- hints.ai_socktype = SOCK_STREAM;
-
- status = getaddrinfo(host, NULL, &hints, &result);
- if (status) error_exit("bad address '%s' : %s", host, gai_strerror(status));
-
- for (rp = result; rp; rp = rp->ai_next) {
- if (rp->ai_family == AF_INET || rp->ai_family == AF_INET6) {
- *swl = xmalloc(sizeof(struct sockaddr_with_len));
- (*swl)->socklen = rp->ai_addrlen;
- memcpy(&((*swl)->sock_u.sock), rp->ai_addr, rp->ai_addrlen);
- break;
- }
- }
- freeaddrinfo(result);
- return rp ? 0 : -1;
-}
-
/*
* use to get the socket address with the given host ip.
*/
@@ -116,6 +80,8 @@ sockaddr_with_len *get_sockaddr(char *host, int port, sa_family_t af)
{
sockaddr_with_len *swl = NULL;
in_port_t port_num = htons(port);
+ struct addrinfo hints, *result, *rp;
+ int status;
char *s;
if (!strncmp(host, "local:", 6)) {
@@ -142,7 +108,7 @@ sockaddr_with_len *get_sockaddr(char *host, int port, sa_family_t af)
}
} else {
s = strrchr(host, ':');
- if (s && strchr(host, ':') != s) s = 0;
+ if (strchr(host, ':') != s) s = 0;
}
if (s++) {
@@ -152,7 +118,24 @@ sockaddr_with_len *get_sockaddr(char *host, int port, sa_family_t af)
port = p;
}
- if (get_socket_stream(host, af, &swl)) return NULL;
+ memset(&hints, 0 , sizeof(struct addrinfo));
+ hints.ai_family = af;
+ hints.ai_socktype = SOCK_STREAM;
+
+ status = getaddrinfo(host, NULL, &hints, &result);
+ if (status) error_exit("bad address '%s' : %s", host, gai_strerror(status));
+
+ for (rp = result; rp; rp = rp->ai_next) {
+ if (rp->ai_family == AF_INET || rp->ai_family == AF_INET6) {
+ swl = xmalloc(sizeof(struct sockaddr_with_len));
+ swl->socklen = rp->ai_addrlen;
+ memcpy(&swl->sock_u.sock, rp->ai_addr, rp->ai_addrlen);
+ break;
+ }
+ }
+ freeaddrinfo(result);
+ if (!rp) error_exit("bad host name");
+
if(swl->sock_u.sock.sa_family == AF_INET)
swl->sock_u.sock_in.sin_port = port_num;
@@ -195,56 +178,22 @@ char *address_to_name(struct sockaddr *sock)
} else return NULL;
}
-static void set_ipv6_addr(int sockfd, struct ifreq *ifre, char *ipv6_addr, int request)
+static void set_address(char *host_name, struct ifreq *ifre, int request)
{
- char *prefix;
- int plen = 0;
+ struct sockaddr_in *sock_in = (struct sockaddr_in *)&ifre->ifr_addr;
sockaddr_with_len *swl = NULL;
- prefix = strchr(ipv6_addr, '/');
- if(prefix) {
- plen = get_int_value(prefix + 1, 0, 128);
- *prefix = '\0';
- }
- swl = get_sockaddr(ipv6_addr, 0, AF_INET6);
- if(!swl) error_exit("error in resolving host name");
- int sockfd6;
- struct ifreq_inet6 ifre6;
- memcpy((char *) &ifre6.ifrinte6_addr,
- (char *) &(swl->sock_u.sock_in6.sin6_addr),
- sizeof(struct in6_addr));
- //Create a channel to the NET kernel.
- sockfd6 = xsocket(AF_INET6, SOCK_DGRAM, 0);
- xioctl(sockfd6, SIOGIFINDEX, ifre);
- ifre6.ifrinet6_ifindex = ifre->ifr_ifindex;
- ifre6.ifrinet6_prefixlen = plen;
-
- xioctl(sockfd6, request, &ifre6);
- free(swl);
-}
-
-static void set_address(int sockfd, char *host_name, struct ifreq *ifre, int request)
-{
- struct sockaddr_in sock_in;
- sockaddr_with_len *swl = NULL;
- sock_in.sin_family = AF_INET;
- sock_in.sin_port = 0;
+ memset(sock_in, 0, sizeof(struct sockaddr_in));
+ sock_in->sin_family = AF_INET;
//Default 0.0.0.0
- if(strcmp(host_name, "default") == 0) sock_in.sin_addr.s_addr = INADDR_ANY;
+ if(strcmp(host_name, "default") == 0) sock_in->sin_addr.s_addr = INADDR_ANY;
else {
swl = get_sockaddr(host_name, 0, AF_INET);
- if(!swl) error_exit("error in resolving host name");
-
- sock_in.sin_addr = swl->sock_u.sock_in.sin_addr;
- }
- memcpy((char *)&ifre->ifr_addr, (char *) &sock_in, sizeof(struct sockaddr));
- xioctl(sockfd, request, ifre);
-
- if(swl != NULL) {
+ sock_in->sin_addr = swl->sock_u.sock_in.sin_addr;
free(swl);
- swl = NULL;
}
+ xioctl(TT.sockfd, request, ifre);
}
static void add_iface_to_list(struct if_list *newnode)
@@ -268,78 +217,34 @@ static void get_device_info(struct if_list *il)
{
struct ifreq ifre;
char *name = il->name;
- int sokfd;
il->txqueuelen = -1;
- sokfd = xsocket(AF_INET, SOCK_DGRAM, 0);
xstrncpy(ifre.ifr_name, name, IFNAMSIZ);
- if (ioctl(sokfd, SIOCGIFFLAGS, &ifre)<0) perror_exit("%s", il->name);
+ if (ioctl(TT.sockfd, SIOCGIFFLAGS, &ifre)<0) perror_exit("%s", il->name);
il->flags = ifre.ifr_flags;
- if (ioctl(sokfd, SIOCGIFHWADDR, &ifre) >= 0)
+ if (ioctl(TT.sockfd, SIOCGIFHWADDR, &ifre) >= 0)
memcpy(il->hwaddr.sa_data, ifre.ifr_hwaddr.sa_data, sizeof(il->hwaddr.sa_data));
il->hw_type = ifre.ifr_hwaddr.sa_family;
- if (ioctl(sokfd, SIOCGIFMETRIC, &ifre) >= 0) il->metric = ifre.ifr_metric;
- if (ioctl(sokfd, SIOCGIFMTU, &ifre) >= 0) il->mtu = ifre.ifr_mtu;
- if (ioctl(sokfd, SIOCGIFMAP, &ifre) == 0) il->map = ifre.ifr_map;
- if (ioctl(sokfd, SIOCGIFTXQLEN, &ifre) >= 0) il->txqueuelen = ifre.ifr_qlen;
+ if (ioctl(TT.sockfd, SIOCGIFMETRIC, &ifre) >= 0)
+ il->metric = ifre.ifr_metric;
+ if (ioctl(TT.sockfd, SIOCGIFMTU, &ifre) >= 0) il->mtu = ifre.ifr_mtu;
+ if (ioctl(TT.sockfd, SIOCGIFMAP, &ifre) == 0) il->map = ifre.ifr_map;
+ if (ioctl(TT.sockfd, SIOCGIFTXQLEN, &ifre) >= 0)
+ il->txqueuelen = ifre.ifr_qlen;
// If an address is assigned record that.
ifre.ifr_addr.sa_family = AF_INET;
- if (!ioctl(sokfd, SIOCGIFADDR, &ifre)) il->addr = ifre.ifr_addr;
- if (ioctl(sokfd, SIOCGIFDSTADDR, &ifre) >= 0) il->dstaddr = ifre.ifr_dstaddr;
- if (ioctl(sokfd, SIOCGIFBRDADDR, &ifre) >= 0) il->broadaddr = ifre.ifr_broadaddr;
- if (ioctl(sokfd, SIOCGIFNETMASK, &ifre) >= 0) il->netmask = ifre.ifr_netmask;
- close(sokfd);
-}
-
-static void print_ip6_addr(struct if_list *il)
-{
- char iface_name[IFNAMSIZ] = {0,};
- int plen, scope;
- FILE *fp;
-
- if(!(fp = fopen("/proc/net/if_net6", "r"))) return;
-
- while(fgets(toybuf, sizeof(toybuf), fp)) {
- int nitems = 0;
- char ipv6_addr[40] = {0,};
- nitems = sscanf(toybuf, "%32s %*08x %02x %02x %*02x %15s\n",
- ipv6_addr+7, &plen, &scope, iface_name);
- if(nitems != 4) {
- if((nitems < 0) && feof(fp)) break;
- perror_exit("sscanf");
- }
- if(strcmp(il->name, iface_name) == 0) {
- int i = 0;
- struct sockaddr_in6 sock_in6;
- int len = sizeof(ipv6_addr) / (sizeof ipv6_addr[0]);
- char *ptr = ipv6_addr+7;
-
- while((i < len-2) && (*ptr)) {
- ipv6_addr[i++] = *ptr++;
- //put ':' after 4th bit
- if(!((i+1) % 5)) ipv6_addr[i++] = ':';
- }
- ipv6_addr[i+1] = '\0';
- if(inet_pton(AF_INET6, ipv6_addr, (struct sockaddr *) &sock_in6.sin6_addr) > 0) {
- sock_in6.sin6_family = AF_INET6;
- if(inet_ntop(AF_INET6, &sock_in6.sin6_addr, toybuf, BUFSIZ)) {
- char *names[] = {"Global","Host","Link","Site","Compat"},
- *name = "Unknown";
- int j;
-
- for (j=0; j < sizeof(names)/sizeof(*names); j++)
- if (scope == (!!j)<<(j+3)) name = names[j];
- xprintf("%10cinet6 addr: %s/%d Scope: %s\n", ' ', toybuf, plen, name);
- }
- }
- }
- }
- fclose(fp);
+ if (!ioctl(TT.sockfd, SIOCGIFADDR, &ifre)) il->addr = ifre.ifr_addr;
+ if (ioctl(TT.sockfd, SIOCGIFDSTADDR, &ifre) >= 0)
+ il->dstaddr = ifre.ifr_dstaddr;
+ if (ioctl(TT.sockfd, SIOCGIFBRDADDR, &ifre) >= 0)
+ il->broadaddr = ifre.ifr_broadaddr;
+ if (ioctl(TT.sockfd, SIOCGIFNETMASK, &ifre) >= 0)
+ il->netmask = ifre.ifr_netmask;
}
static void display_ifconfig(struct if_list *il)
@@ -354,6 +259,7 @@ static void display_ifconfig(struct if_list *il)
};
int i;
char *p;
+ FILE *fp;
for (i=0; i < (sizeof(types)/sizeof(*types))-1; i++)
if (il->hw_type == types[i].type) break;
@@ -394,7 +300,49 @@ static void display_ifconfig(struct if_list *il)
xputc('\n');
}
- print_ip6_addr(il);
+ fp = fopen("/proc/net/if_net6", "r");
+ if (fp) {
+ char iface_name[IFNAMSIZ] = {0,};
+ int plen, scope;
+
+ while(fgets(toybuf, sizeof(toybuf), fp)) {
+ int nitems = 0;
+ char ipv6_addr[40] = {0,};
+ nitems = sscanf(toybuf, "%32s %*08x %02x %02x %*02x %15s\n",
+ ipv6_addr+7, &plen, &scope, iface_name);
+ if(nitems != 4) {
+ if((nitems < 0) && feof(fp)) break;
+ perror_exit("sscanf");
+ }
+ if(strcmp(il->name, iface_name) == 0) {
+ int i = 0;
+ struct sockaddr_in6 sock_in6;
+ int len = sizeof(ipv6_addr) / (sizeof ipv6_addr[0]);
+ char *ptr = ipv6_addr+7;
+
+ while((i < len-2) && (*ptr)) {
+ ipv6_addr[i++] = *ptr++;
+ //put ':' after 4th bit
+ if(!((i+1) % 5)) ipv6_addr[i++] = ':';
+ }
+ ipv6_addr[i+1] = '\0';
+ if(inet_pton(AF_INET6, ipv6_addr, (struct sockaddr *) &sock_in6.sin6_addr) > 0) {
+ sock_in6.sin6_family = AF_INET6;
+ if(inet_ntop(AF_INET6, &sock_in6.sin6_addr, toybuf, BUFSIZ)) {
+ char *names[] = {"Global","Host","Link","Site","Compat"},
+ *name = "Unknown";
+ int j;
+
+ for (j=0; j < sizeof(names)/sizeof(*names); j++)
+ if (scope == (!!j)<<(j+3)) name = names[j];
+ xprintf("%10cinet6 addr: %s/%d Scope: %s\n", ' ', toybuf, plen, name);
+ }
+ }
+ }
+ }
+ fclose(fp);
+ }
+
xprintf("%10c", ' ');
if (il->flags) {
@@ -449,16 +397,14 @@ static void readconf(void)
{
struct ifconf ifcon;
struct ifreq *ifre;
- int num, sokfd;
-
- sokfd = xsocket(AF_INET, SOCK_DGRAM, 0);
+ int num;
// Loop until buffer's big enough
ifcon.ifc_buf = NULL;
for (num = 30;;num += 10) {
ifcon.ifc_len = sizeof(struct ifreq)*num;
ifcon.ifc_buf = xrealloc(ifcon.ifc_buf, ifcon.ifc_len);
- xioctl(sokfd, SIOCGIFCONF, &ifcon);
+ xioctl(TT.sockfd, SIOCGIFCONF, &ifcon);
if (ifcon.ifc_len != sizeof(struct ifreq)*num) break;
}
@@ -478,7 +424,6 @@ static void readconf(void)
}
}
- close(sokfd);
free(ifcon.ifc_buf);
}
@@ -507,7 +452,6 @@ static void show_iface(char *iface_name)
add_iface_to_list(il);
il->non_virtual_iface = 1;
- errno = 0;
get_device_info(il);
}
fclose(fp);
@@ -523,7 +467,6 @@ static void show_iface(char *iface_name)
if(!il) {
il = xzalloc(sizeof(struct if_list));
xstrncpy(il->name, iface_name, IFNAMSIZ);
- errno = 0;
get_device_info(il);
display_ifconfig(il);
free(il);
@@ -545,10 +488,11 @@ void ifconfig_main(void)
{
char **argv = toys.optargs;
struct ifreq ifre;
- int i, sockfd = 0;
+ int i;
if(*argv && (strcmp(*argv, "--help") == 0)) show_help();
+ TT.sockfd = xsocket(AF_INET, SOCK_DGRAM, 0);
if(toys.optc < 2) {
show_iface(*argv);
return;
@@ -557,7 +501,6 @@ void ifconfig_main(void)
// Open interface
memset(&ifre, 0, sizeof(struct ifreq));
xstrncpy(ifre.ifr_name, *argv, IFNAMSIZ);
- sockfd = xsocket(AF_INET, SOCK_DGRAM, 0);
// Perform operations on interface
while(*++argv) {
@@ -578,8 +521,8 @@ void ifconfig_main(void)
{"netmask", 0, SIOCSIFNETMASK},
{"dstaddr", 0, SIOCSIFDSTADDR},
{"mtu", IFREQ_OFFSZ(ifr_mtu), SIOCSIFMTU},
- {"keepalive", IFREQ_OFFSZ(ifr_data), SIOCSKEEPALIVE},
- {"outfill", IFREQ_OFFSZ(ifr_data), SIOCSOUTFILL},
+ {"keepalive", IFREQ_OFFSZ(ifr_data), SIOCDEVPRIVATE}, // SIOCSKEEPALIVE
+ {"outfill", IFREQ_OFFSZ(ifr_data), SIOCDEVPRIVATE+2}, // SIOCSOUTFILL
{"metric", IFREQ_OFFSZ(ifr_metric), SIOCSIFMETRIC},
{"txqueuelen", IFREQ_OFFSZ(ifr_qlen), SIOCSIFTXQLEN},
{"mem_start", IFREQ_OFFSZ(ifr_map.mem_start), SIOCSIFMAP},
@@ -608,22 +551,22 @@ void ifconfig_main(void)
if (on < 0) {
long l = strtoul(*argv, 0, 0);
- if (off == SIOCSIFMAP) xioctl(sockfd, SIOCGIFMAP, &ifre);
+ if (off == SIOCSIFMAP) xioctl(TT.sockfd, SIOCGIFMAP, &ifre);
on = -on;
poke((on>>16) + (char *)&ifre, l, on&15);
- xioctl(sockfd, off, &ifre);
+ xioctl(TT.sockfd, off, &ifre);
break;
- } else set_address(sockfd, *argv, &ifre, off);
+ } else set_address(*argv, &ifre, off);
}
off = 0;
}
// Set flags
if (on || off) {
- xioctl(sockfd, SIOCGIFFLAGS, &ifre);
+ xioctl(TT.sockfd, SIOCGIFFLAGS, &ifre);
ifre.ifr_flags &= ~(rev ? on : off);
ifre.ifr_flags |= (rev ? off : on);
- xioctl(sockfd, SIOCSIFFLAGS, &ifre);
+ xioctl(TT.sockfd, SIOCSIFFLAGS, &ifre);
}
break;
@@ -662,20 +605,41 @@ void ifconfig_main(void)
if ((p-ptr) != count || *hw_addr)
error_exit("bad hw-addr '%s'", hw_addr ? hw_addr : "");
- xioctl(sockfd, SIOCSIFHWADDR, &ifre);
+ xioctl(TT.sockfd, SIOCSIFHWADDR, &ifre);
+
+ // Add/remove ipv6 address to interface
} else if (!strcmp(*argv, "add") || !strcmp(*argv, "del")) {
+ sockaddr_with_len *swl = NULL;
+ struct ifreq_inet6 ifre6;
+ char *prefix;
+ int plen = 0, sockfd6 = xsocket(AF_INET6, SOCK_DGRAM, 0);
+
if (!argv[1]) show_help();
- set_ipv6_addr(sockfd, &ifre, argv[1],
- **argv=='a' ? SIOCSIFADDR : SIOCDIFADDR);
+
+ prefix = strchr(argv[1], '/');
+ if (prefix) {
+ plen = get_int_value(prefix + 1, 0, 128);
+ *prefix = 0;
+ }
+ swl = get_sockaddr(argv[1], 0, AF_INET6);
+ ifre6.ifrinte6_addr = swl->sock_u.sock_in6.sin6_addr;
+ xioctl(sockfd6, SIOCGIFINDEX, &ifre);
+ ifre6.ifrinet6_ifindex = ifre.ifr_ifindex;
+ ifre6.ifrinet6_prefixlen = plen;
+ xioctl(sockfd6, **argv=='a' ? SIOCSIFADDR : SIOCDIFADDR, &ifre6);
+
+ free(swl);
+ close(sockfd6);
+
argv++;
} else if (isdigit(**argv) || !strcmp(*argv, "default")) {
- set_address(sockfd, *argv, &ifre, SIOCSIFADDR);
+ set_address(*argv, &ifre, SIOCSIFADDR);
//if the interface name is not an alias; set the flag and continue.
if(!strchr(ifre.ifr_name, ':')) {
- xioctl(sockfd, SIOCGIFFLAGS, &ifre);
+ xioctl(TT.sockfd, SIOCGIFFLAGS, &ifre);
ifre.ifr_flags |= IFF_UP|IFF_RUNNING;
- xioctl(sockfd, SIOCSIFFLAGS, &ifre);
+ xioctl(TT.sockfd, SIOCSIFFLAGS, &ifre);
}
} else {
@@ -684,5 +648,5 @@ void ifconfig_main(void)
error_exit("bad argument '%s'", *argv);
}
}
- if (CFG_TOYBOX_FREE && sockfd > 0) close(sockfd);
+ close(TT.sockfd);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 07:54:40 +0000