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Diffstat (limited to 'toys')
-rw-r--r--toys/pending/ifconfig.c352
1 files changed, 169 insertions, 183 deletions
diff --git a/toys/pending/ifconfig.c b/toys/pending/ifconfig.c
index d41f7920..86ef0b92 100644
--- a/toys/pending/ifconfig.c
+++ b/toys/pending/ifconfig.c
@@ -49,10 +49,6 @@ typedef struct sockaddr_with_len {
socklen_t socklen;
} sockaddr_with_len;
-unsigned get_strtou(char *, char **, int);
-char *address_to_name(struct sockaddr *);
-sockaddr_with_len *get_sockaddr(char *, int, sa_family_t);
-
// man netdevice
struct iface_list {
struct iface_list *next;
@@ -142,17 +138,6 @@ struct ifreq_inet6 {
# define INFINIBAND_ALEN 20
#endif
-static void set_flags(int sockfd, struct ifreq *ifre, int arg_flag, int flag); //verify
-static void set_mtu(int sockfd, struct ifreq *ifre, char *mtu); //verify
-static void set_metric(int sockfd, struct ifreq *ifre, char *metric); //verify
-static void set_qlen(int sockfd, struct ifreq *ifre, char *qlen); //verify
-static void set_address(int sockfd, char *host_name, struct ifreq *ifre, int request, char *req_name);
-static void set_hw_address(int sockfd, char ***argv, struct ifreq *ifre, int request, char *req_name);
-static void set_ipv6_addr(int sockfd, struct ifreq *ifre, char *ipv6_addr, int request, char *req_name);
-static void set_memstart(int sockfd, struct ifreq *ifre, char *start_addr, int request, char *req_name);
-static void set_ioaddr(int sockfd, struct ifreq *ifre, char *baddr, int request, char *req_name);
-static void set_irq(int sockfd, struct ifreq *ifre, char *irq_val, int request, char *req_name);
-
void xioctl(int fd, int request, void *data)
{
if (ioctl(fd, request, data) < 0) perror_exit("ioctl %d", request);
@@ -185,6 +170,38 @@ static int is_host_unix(char *host, sockaddr_with_len **swl)
}
/*
+ * used to converts string into int and validate the input str for invalid int value or out-of-range.
+ */
+unsigned get_strtou(char *str, char **endp, int base)
+{
+ unsigned long uli;
+ char *endptr;
+
+ if(!isalnum(str[0])) {
+ errno = ERANGE;
+ return UINT_MAX;
+ }
+ errno = 0;
+ uli = strtoul(str, &endptr, base);
+ if(uli > UINT_MAX) {
+ errno = ERANGE;
+ return UINT_MAX;
+ }
+
+ if(endp) *endp = endptr;
+ if(endptr[0]) {
+ if(isalnum(endptr[0]) || errno) { //"123abc" or out-of-range
+ errno = ERANGE;
+ return UINT_MAX;
+ }
+ errno = EINVAL;
+ }
+ return uli;
+}
+
+
+
+/*
* validate the input param (host) for valid ipv6 ip and extract port number (if there).
*/
static void get_host_and_port(char **host, int *port)
@@ -299,174 +316,6 @@ char *address_to_name(struct sockaddr *sock)
} else return NULL;
}
-/*
- * used to converts string into int and validate the input str for invalid int value or out-of-range.
- */
-unsigned get_strtou(char *str, char **endp, int base)
-{
- unsigned long uli;
- char *endptr;
-
- if(!isalnum(str[0])) {
- errno = ERANGE;
- return UINT_MAX;
- }
- errno = 0;
- uli = strtoul(str, &endptr, base);
- if(uli > UINT_MAX) {
- errno = ERANGE;
- return UINT_MAX;
- }
-
- if(endp) *endp = endptr;
- if(endptr[0]) {
- if(isalnum(endptr[0]) || errno) { //"123abc" or out-of-range
- errno = ERANGE;
- return UINT_MAX;
- }
- errno = EINVAL;
- }
- return uli;
-}
-
-void ifconfig_main(void)
-{
- char **argv = toys.optargs;
-
- if(*argv && (strcmp(*argv, "--help") == 0)) show_help();
-
- //"ifconfig" / "ifconfig eth0"
- if(!argv[0] || !argv[1]) { //one or no argument
- toys.exitval = show_iface(*argv);
- //free allocated memory.
- llist_traverse(TT.iface_list, free);
- return;
- }
-
- //set ifconfig params.
- {
- struct ifreq ifre;
- int sockfd = 0;
- //get interface name
- memset(&ifre, 0, sizeof(struct ifreq));
- strncpy(ifre.ifr_name, *argv, IFNAMSIZ);
- ifre.ifr_name[IFNAMSIZ-1] = 0;
- if((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) perror_exit("socket");
-
- while(*++argv != NULL) {
- /* flags settings */
- if (!strcmp(*argv, "up"))
- set_flags(sockfd, &ifre, IFF_UP | IFF_RUNNING, 0);
- else if (!strcmp(*argv, "down"))
- set_flags(sockfd, &ifre, 0, IFF_UP);
-
- else if (!strcmp(*argv, "arp"))
- set_flags(sockfd, &ifre, 0, IFF_NOARP);
- else if (!strcmp(*argv, "-arp"))
- set_flags(sockfd, &ifre, IFF_NOARP, 0);
- else if (!strcmp(*argv, "trailers"))
- set_flags(sockfd, &ifre, 0, IFF_NOTRAILERS);
- else if (!strcmp(*argv, "-trailers"))
- set_flags(sockfd, &ifre, IFF_NOTRAILERS, 0);
-
- else if (!strcmp(*argv, "promisc"))
- set_flags(sockfd, &ifre, IFF_PROMISC, 0);
- else if (!strcmp(*argv, "-promisc"))
- set_flags(sockfd, &ifre, 0, IFF_PROMISC);
- else if (!strcmp(*argv, "allmulti"))
- set_flags(sockfd, &ifre, IFF_ALLMULTI, 0);
- else if (!strcmp(*argv, "-allmulti"))
- set_flags(sockfd, &ifre, 0, IFF_ALLMULTI);
- else if (!strcmp(*argv, "multicast"))
- set_flags(sockfd, &ifre, IFF_MULTICAST, 0);
- else if (!strcmp(*argv, "-multicast"))
- set_flags(sockfd, &ifre, 0, IFF_MULTICAST);
- else if (!strcmp(*argv, "dynamic"))
- set_flags(sockfd, &ifre, IFF_DYNAMIC, 0);
- else if (!strcmp(*argv, "-dynamic"))
- set_flags(sockfd, &ifre, 0, IFF_DYNAMIC);
- else if (!strcmp(*argv, "-pointopoint"))
- set_flags(sockfd, &ifre, 0, IFF_POINTOPOINT);
- /*value setup */
- else if (!strcmp(*argv, "pointopoint")) {
- if (!*++argv) show_help();
- set_address(sockfd, *argv, &ifre, SIOCSIFDSTADDR, "SIOCSIFDSTADDR");
- set_flags(sockfd, &ifre, IFF_POINTOPOINT, 0);
- } else if (!strcmp(*argv, "netmask")) {
- if (!*++argv) show_help();
- set_address(sockfd, *argv, &ifre, SIOCSIFNETMASK, "SIOCSIFNETMASK");
- } else if (!strcmp(*argv, "-broadcast")) {
- set_flags(sockfd, &ifre, 0, IFF_BROADCAST);
- } else if (!strcmp(*argv, "broadcast")) {
- if (!*++argv) show_help();
- set_address(sockfd, *argv, &ifre, SIOCSIFBRDADDR, "SIOCSIFBRDADDR");
- set_flags(sockfd, &ifre, IFF_BROADCAST, 0);
- } else if (!strcmp(*argv, "dstaddr")) {
- if (!*++argv) show_help();
- set_address(sockfd, *argv, &ifre, SIOCSIFDSTADDR, "SIOCSIFDSTADDR");
- } else if (!strcmp(*argv, "hw")) {
- if (!*++argv) show_help();
- set_hw_address(sockfd, &argv, &ifre, SIOCSIFHWADDR, "SIOCSIFHWADDR");
- } else if (!strcmp(*argv, "mtu")) {
- if (!*++argv) show_help();
- set_mtu(sockfd, &ifre, *argv);
- } else if (!strcmp(*argv, "metric")) {
- if (!*++argv) show_help();
- set_metric(sockfd, &ifre, *argv);
- } else if (!strcmp(*argv, "txqueuelen")) {
- if (!*++argv) show_help();
- set_qlen(sockfd, &ifre, *argv);
- } else if (!strcmp(*argv, "keepalive")) {
- if (!*++argv) show_help();
- ifre.ifr_data = (void *)strtoul(*argv, 0, 0);
- xioctl(sockfd, SIOCSKEEPALIVE, &ifre);
- } else if (!strcmp(*argv, "outfill")) {
- if (!*++argv) show_help();
- ifre.ifr_data = (void *)strtoul(*argv, 0, 0);
- xioctl(sockfd, SIOCSOUTFILL, &ifre);
- } else if (!strcmp(*argv, "add")) {
- if (!*++argv) show_help();
- set_ipv6_addr(sockfd, &ifre, *argv, SIOCSIFADDR, "SIOCSIFADDR");
- } else if (!strcmp(*argv, "del")) {
- if (!*++argv) show_help();
- set_ipv6_addr(sockfd, &ifre, *argv, SIOCDIFADDR, "SIOCDIFADDR");
- } else if (!strcmp(*argv, "mem_start")) {
- if (!*++argv) show_help();
- set_memstart(sockfd, &ifre, *argv, SIOCSIFMAP, "SIOCSIFMAP");
- } else if (!strcmp(*argv, "io_addr")) {
- if (!*++argv) show_help();
- set_ioaddr(sockfd, &ifre, *argv, SIOCSIFMAP, "SIOCSIFMAP");
- } else if (!strcmp(*argv, "irq")) {
- if (!*++argv) show_help();
- set_irq(sockfd, &ifre, *argv, SIOCSIFMAP, "SIOCSIFMAP");
- } else {
- if (isdigit(**argv) || !strcmp(*argv, "default")) {
- char *iface_name = ifre.ifr_name;
- short int is_colon = 0;
- set_address(sockfd, *argv, &ifre, SIOCSIFADDR, "SIOCSIFADDR");
- while (*iface_name) {
- if (*iface_name == ':') {
- is_colon = 1;
- break;
- }
- iface_name++;
- }
- //if the interface name is not an alias; set the flag and continue.
- if(!is_colon) set_flags(sockfd, &ifre, IFF_UP | IFF_RUNNING, 0);
- } else if (!strcmp(*argv, "inet") || !strcmp(*argv, "inet6")) continue;
- else {
- errno = EINVAL;
- toys.exithelp++;
- error_exit("bad argument");
- }
- }
-
- }
- if(sockfd > 0) close(sockfd);
- }
-}
-
-
static void set_flags(int sockfd, struct ifreq *ifre, int set_flag, int reset_flag)
{
xioctl(sockfd, SIOCGIFFLAGS, ifre);
@@ -1046,3 +895,140 @@ static int show_iface(char *iface_name)
}
return 0;
}
+
+void ifconfig_main(void)
+{
+ char **argv = toys.optargs;
+
+ if(*argv && (strcmp(*argv, "--help") == 0)) show_help();
+
+ //"ifconfig" / "ifconfig eth0"
+ if(!argv[0] || !argv[1]) { //one or no argument
+ toys.exitval = show_iface(*argv);
+ //free allocated memory.
+ llist_traverse(TT.iface_list, free);
+ return;
+ }
+
+ //set ifconfig params.
+ {
+ struct ifreq ifre;
+ int sockfd = 0;
+ //get interface name
+ memset(&ifre, 0, sizeof(struct ifreq));
+ strncpy(ifre.ifr_name, *argv, IFNAMSIZ);
+ ifre.ifr_name[IFNAMSIZ-1] = 0;
+ if((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) perror_exit("socket");
+
+ while(*++argv != NULL) {
+ /* flags settings */
+ if (!strcmp(*argv, "up"))
+ set_flags(sockfd, &ifre, IFF_UP | IFF_RUNNING, 0);
+ else if (!strcmp(*argv, "down"))
+ set_flags(sockfd, &ifre, 0, IFF_UP);
+
+ else if (!strcmp(*argv, "arp"))
+ set_flags(sockfd, &ifre, 0, IFF_NOARP);
+ else if (!strcmp(*argv, "-arp"))
+ set_flags(sockfd, &ifre, IFF_NOARP, 0);
+ else if (!strcmp(*argv, "trailers"))
+ set_flags(sockfd, &ifre, 0, IFF_NOTRAILERS);
+ else if (!strcmp(*argv, "-trailers"))
+ set_flags(sockfd, &ifre, IFF_NOTRAILERS, 0);
+
+ else if (!strcmp(*argv, "promisc"))
+ set_flags(sockfd, &ifre, IFF_PROMISC, 0);
+ else if (!strcmp(*argv, "-promisc"))
+ set_flags(sockfd, &ifre, 0, IFF_PROMISC);
+ else if (!strcmp(*argv, "allmulti"))
+ set_flags(sockfd, &ifre, IFF_ALLMULTI, 0);
+ else if (!strcmp(*argv, "-allmulti"))
+ set_flags(sockfd, &ifre, 0, IFF_ALLMULTI);
+ else if (!strcmp(*argv, "multicast"))
+ set_flags(sockfd, &ifre, IFF_MULTICAST, 0);
+ else if (!strcmp(*argv, "-multicast"))
+ set_flags(sockfd, &ifre, 0, IFF_MULTICAST);
+ else if (!strcmp(*argv, "dynamic"))
+ set_flags(sockfd, &ifre, IFF_DYNAMIC, 0);
+ else if (!strcmp(*argv, "-dynamic"))
+ set_flags(sockfd, &ifre, 0, IFF_DYNAMIC);
+ else if (!strcmp(*argv, "-pointopoint"))
+ set_flags(sockfd, &ifre, 0, IFF_POINTOPOINT);
+ /*value setup */
+ else if (!strcmp(*argv, "pointopoint")) {
+ if (!*++argv) show_help();
+ set_address(sockfd, *argv, &ifre, SIOCSIFDSTADDR, "SIOCSIFDSTADDR");
+ set_flags(sockfd, &ifre, IFF_POINTOPOINT, 0);
+ } else if (!strcmp(*argv, "netmask")) {
+ if (!*++argv) show_help();
+ set_address(sockfd, *argv, &ifre, SIOCSIFNETMASK, "SIOCSIFNETMASK");
+ } else if (!strcmp(*argv, "-broadcast")) {
+ set_flags(sockfd, &ifre, 0, IFF_BROADCAST);
+ } else if (!strcmp(*argv, "broadcast")) {
+ if (!*++argv) show_help();
+ set_address(sockfd, *argv, &ifre, SIOCSIFBRDADDR, "SIOCSIFBRDADDR");
+ set_flags(sockfd, &ifre, IFF_BROADCAST, 0);
+ } else if (!strcmp(*argv, "dstaddr")) {
+ if (!*++argv) show_help();
+ set_address(sockfd, *argv, &ifre, SIOCSIFDSTADDR, "SIOCSIFDSTADDR");
+ } else if (!strcmp(*argv, "hw")) {
+ if (!*++argv) show_help();
+ set_hw_address(sockfd, &argv, &ifre, SIOCSIFHWADDR, "SIOCSIFHWADDR");
+ } else if (!strcmp(*argv, "mtu")) {
+ if (!*++argv) show_help();
+ set_mtu(sockfd, &ifre, *argv);
+ } else if (!strcmp(*argv, "metric")) {
+ if (!*++argv) show_help();
+ set_metric(sockfd, &ifre, *argv);
+ } else if (!strcmp(*argv, "txqueuelen")) {
+ if (!*++argv) show_help();
+ set_qlen(sockfd, &ifre, *argv);
+ } else if (!strcmp(*argv, "keepalive")) {
+ if (!*++argv) show_help();
+ ifre.ifr_data = (void *)strtoul(*argv, 0, 0);
+ xioctl(sockfd, SIOCSKEEPALIVE, &ifre);
+ } else if (!strcmp(*argv, "outfill")) {
+ if (!*++argv) show_help();
+ ifre.ifr_data = (void *)strtoul(*argv, 0, 0);
+ xioctl(sockfd, SIOCSOUTFILL, &ifre);
+ } else if (!strcmp(*argv, "add")) {
+ if (!*++argv) show_help();
+ set_ipv6_addr(sockfd, &ifre, *argv, SIOCSIFADDR, "SIOCSIFADDR");
+ } else if (!strcmp(*argv, "del")) {
+ if (!*++argv) show_help();
+ set_ipv6_addr(sockfd, &ifre, *argv, SIOCDIFADDR, "SIOCDIFADDR");
+ } else if (!strcmp(*argv, "mem_start")) {
+ if (!*++argv) show_help();
+ set_memstart(sockfd, &ifre, *argv, SIOCSIFMAP, "SIOCSIFMAP");
+ } else if (!strcmp(*argv, "io_addr")) {
+ if (!*++argv) show_help();
+ set_ioaddr(sockfd, &ifre, *argv, SIOCSIFMAP, "SIOCSIFMAP");
+ } else if (!strcmp(*argv, "irq")) {
+ if (!*++argv) show_help();
+ set_irq(sockfd, &ifre, *argv, SIOCSIFMAP, "SIOCSIFMAP");
+ } else {
+ if (isdigit(**argv) || !strcmp(*argv, "default")) {
+ char *iface_name = ifre.ifr_name;
+ short int is_colon = 0;
+ set_address(sockfd, *argv, &ifre, SIOCSIFADDR, "SIOCSIFADDR");
+ while (*iface_name) {
+ if (*iface_name == ':') {
+ is_colon = 1;
+ break;
+ }
+ iface_name++;
+ }
+ //if the interface name is not an alias; set the flag and continue.
+ if(!is_colon) set_flags(sockfd, &ifre, IFF_UP | IFF_RUNNING, 0);
+ } else if (!strcmp(*argv, "inet") || !strcmp(*argv, "inet6")) continue;
+ else {
+ errno = EINVAL;
+ toys.exithelp++;
+ error_exit("bad argument");
+ }
+ }
+
+ }
+ if(sockfd > 0) close(sockfd);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 13:01:47 +0000