diff options
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/ifupdown.c | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/networking/ifupdown.c b/networking/ifupdown.c index 5d74422..9daa0f5 100644 --- a/networking/ifupdown.c +++ b/networking/ifupdown.c @@ -27,6 +27,8 @@ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* TODO: standardise execute() return codes to return 0 for success and 1 for failure */ + #include <sys/stat.h> #include <sys/utsname.h> #include <sys/wait.h> @@ -347,6 +349,9 @@ static int execute(char *command, struct interface_defn_t *ifd, execfn *exec) ret = (*exec) (out); free(out); + if (ret != 1) { + return(0); + } return(1); } @@ -390,7 +395,7 @@ static int loopback_up6(struct interface_defn_t *ifd, execfn *exec) int result; result =execute("ip addr add ::1 dev %iface%", ifd, exec); result += execute("ip link set %iface% up", ifd, exec); - return( result); + return ((result == 2) ? 2 : 0); #else return( execute("ifconfig %iface% add ::1", ifd, exec)); #endif @@ -417,7 +422,7 @@ static int static_up6(struct interface_defn_t *ifd, execfn *exec) result += execute("ifconfig %iface% add %address%/%netmask%", ifd, exec); result += execute("[[ route -A inet6 add ::/0 gw %gateway% ]]", ifd, exec); #endif - return( result); + return ((result == 3) ? 3 : 0); } static int static_down6(struct interface_defn_t *ifd, execfn *exec) @@ -438,7 +443,7 @@ static int v4tunnel_up(struct interface_defn_t *ifd, execfn *exec) result += execute("ip link set %iface% up", ifd, exec); result += execute("ip addr add %address%/%netmask% dev %iface%", ifd, exec); result += execute("[[ ip route add ::/0 via %gateway% ]]", ifd, exec); - return( result); + return ((result == 4) ? 4 : 0); } static int v4tunnel_down(struct interface_defn_t * ifd, execfn * exec) @@ -469,7 +474,7 @@ static int loopback_up(struct interface_defn_t *ifd, execfn *exec) int result; result = execute("ip addr add 127.0.0.1/8 dev %iface%", ifd, exec); result += execute("ip link set %iface% up", ifd, exec); - return(result); + return ((result == 2) ? 2 : 0); #else return( execute("ifconfig %iface% 127.0.0.1 up", ifd, exec)); #endif @@ -481,7 +486,7 @@ static int loopback_down(struct interface_defn_t *ifd, execfn *exec) int result; result = execute("ip addr flush dev %iface%", ifd, exec); result += execute("ip link set %iface% down", ifd, exec); - return(result); + return ((result == 2) ? 2 : 0); #else return( execute("ifconfig %iface% 127.0.0.1 down", ifd, exec)); #endif @@ -495,14 +500,15 @@ static int static_up(struct interface_defn_t *ifd, execfn *exec) "dev %iface% [[peer %pointopoint%]] [[label %label%]]", ifd, exec); result += execute("ip link set [[mtu %mtu%]] [[address %hwaddress%]] %iface% up", ifd, exec); result += execute("[[ ip route add default via %gateway% dev %iface% ]]", ifd, exec); + return ((result == 3) ? 3 : 0); #else result = execute("ifconfig %iface% %address% netmask %netmask% " "[[broadcast %broadcast%]] [[pointopoint %pointopoint%]] " "[[media %media%]] [[mtu %mtu%]] [[hw %hwaddress%]] up", ifd, exec); result += execute("[[ route add default gw %gateway% %iface% ]]", ifd, exec); + return ((result == 2) ? 2 : 0); #endif - return(result); } static int static_down(struct interface_defn_t *ifd, execfn *exec) @@ -515,7 +521,7 @@ static int static_down(struct interface_defn_t *ifd, execfn *exec) result = execute("[[ route del default gw %gateway% %iface% ]]", ifd, exec); result += execute("ifconfig %iface% down", ifd, exec); #endif - return(result); + return ((result == 2) ? 2 : 0); } static int execable(char *program) @@ -562,7 +568,7 @@ static int dhcp_down(struct interface_defn_t *ifd, execfn *exec) } else if (execable("/sbin/pump")) { result = execute("pump -i %iface% -k", ifd, exec); } else if (execable("/sbin/dhclient")) { - execute("kill -9 `cat /var/run/dhclient.%iface%.pid` 2>/dev/null", ifd, exec); + result = execute("kill -9 `cat /var/run/dhclient.%iface%.pid` 2>/dev/null", ifd, exec); } else if (execable("/sbin/dhcpcd")) { result = execute("dhcpcd -k %iface%", ifd, exec); } @@ -1033,9 +1039,10 @@ static int execute_all(struct interface_defn_t *ifd, execfn *exec, const char *o } bb_xasprintf(&buf, "run-parts /etc/network/if-%s.d", opt); - (*exec)(buf); - - return (1); + if ((*exec)(buf) != 1) { + return 0; + } + return 1; } static int check(char *str) { @@ -1116,7 +1123,7 @@ static int popen2(FILE **in, FILE **out, char *command, ...) /* unreached */ } -static char * run_mapping(char *physical, struct mapping_defn_t * map) +static char *run_mapping(char *physical, struct mapping_defn_t * map) { FILE *in, *out; int i, status; @@ -1198,6 +1205,7 @@ extern int ifupdown_main(int argc, char **argv) #endif int do_all = 0; int force = 0; + int any_failures = 0; int i; if (bb_applet_name[2] == 'u') { @@ -1312,6 +1320,7 @@ extern int ifupdown_main(int argc, char **argv) char *liface; char *pch; int okay = 0; + int cmds_ret; iface = strdup(target_list->data); target_list = target_list->link; @@ -1374,9 +1383,13 @@ extern int ifupdown_main(int argc, char **argv) debug_noise("\nConfiguring interface %s (%s)\n", liface, currif->address_family->name); /* Call the cmds function pointer, does either iface_up() or iface_down() */ - if (cmds(currif) == -1) { + cmds_ret = cmds(currif); + if (cmds_ret == -1) { bb_error_msg("Don't seem to have all the variables for %s/%s.", liface, currif->address_family->name); + any_failures += 1; + } else if (cmds_ret == 0) { + any_failures += 1; } currif->iface = oldiface; @@ -1389,6 +1402,7 @@ extern int ifupdown_main(int argc, char **argv) if (!okay && !force) { bb_error_msg("Ignoring unknown interface %s", liface); + any_failures += 1; } else { llist_t *iface_state = find_iface_state(state_list, iface); @@ -1448,5 +1462,7 @@ extern int ifupdown_main(int argc, char **argv) state_fp = NULL; } + if (any_failures) + return 1; return 0; } |