diff options
-rwxr-xr-x | dummy/netifd-proto.sh | 17 | ||||
-rw-r--r-- | proto-shell.c | 54 |
2 files changed, 57 insertions, 14 deletions
diff --git a/dummy/netifd-proto.sh b/dummy/netifd-proto.sh index 0f703a2..48b1292 100755 --- a/dummy/netifd-proto.sh +++ b/dummy/netifd-proto.sh @@ -33,6 +33,8 @@ _proto_do_teardown() { _proto_do_setup() { json_load "$data" + _EXPORT_VAR=0 + _EXPORT_VARS= eval "$1_setup \"$interface\" \"$ifname\"" } @@ -143,6 +145,13 @@ proto_send_update() { _proto_notify "$interface" } +proto_export() { + local var="VAR${_EXPORT_VAR}" + _EXPORT_VAR="$(($_EXPORT_VAR + 1))" + export -- "$var=$1" + jshn_append _EXPORT_VARS "$var" +} + proto_run_command() { local interface="$1"; shift @@ -153,6 +162,14 @@ proto_run_command() { json_add_string "" "$1" shift done + json_close_array + [ -n "$_EXPORT_VARS" ] && { + json_add_array env + for var in $_EXPORT_VARS; do + eval "json_add_string \"\" \"\${$var}\"" + done + json_close_array + } _proto_notify "$interface" } diff --git a/proto-shell.c b/proto-shell.c index 127a79d..e554d79 100644 --- a/proto-shell.c +++ b/proto-shell.c @@ -55,7 +55,7 @@ kill_process(struct uloop_process *proc) } static int -start_process(const char **argv, struct uloop_process *proc) +start_process(const char **argv, char **env, struct uloop_process *proc) { int pid; @@ -65,6 +65,12 @@ start_process(const char **argv, struct uloop_process *proc) return -1; if (!pid) { + if (env) { + while (*env) { + putenv(*env); + env++; + } + } fchdir(proto_fd); execvp(argv[0], (char **) argv); exit(127); @@ -121,7 +127,7 @@ proto_shell_handler(struct interface_proto_state *proto, argv[i++] = proto->iface->main_dev.dev->ifname; argv[i] = NULL; - ret = start_process(argv, proc); + ret = start_process(argv, NULL, proc); free(config); return ret; @@ -305,10 +311,10 @@ proto_shell_parse_route_list(struct interface *iface, struct blob_attr *attr, } } - enum { NOTIFY_ACTION, NOTIFY_COMMAND, + NOTIFY_ENV, NOTIFY_SIGNAL, NOTIFY_LINK_UP, NOTIFY_IFNAME, @@ -325,6 +331,7 @@ enum { static const struct blobmsg_policy notify_attr[__NOTIFY_LAST] = { [NOTIFY_ACTION] = { .name = "action", .type = BLOBMSG_TYPE_INT32 }, [NOTIFY_COMMAND] = { .name = "command", .type = BLOBMSG_TYPE_ARRAY }, + [NOTIFY_ENV] = { .name = "env", .type = BLOBMSG_TYPE_ARRAY }, [NOTIFY_SIGNAL] = { .name = "signal", .type = BLOBMSG_TYPE_INT32 }, [NOTIFY_LINK_UP] = { .name = "link-up", .type = BLOBMSG_TYPE_BOOL }, [NOTIFY_IFNAME] = { .name = "ifname", .type = BLOBMSG_TYPE_STRING }, @@ -393,30 +400,49 @@ proto_shell_update_link(struct proto_shell_state *state, struct blob_attr **tb) return 0; } -static int -proto_shell_run_command(struct proto_shell_state *state, struct blob_attr **tb) +static bool +fill_string_list(struct blob_attr *attr, char **argv, int max) { struct blob_attr *cur; - char *argv[64]; int argc = 0; int rem; - if (!tb[NOTIFY_COMMAND]) - goto error; + if (!attr) + goto out; - blobmsg_for_each_attr(cur, tb[NOTIFY_COMMAND], rem) { + blobmsg_for_each_attr(cur, attr, rem) { if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING) - goto error; + return false; if (!blobmsg_check_attr(cur, NULL)) - goto error; + return false; argv[argc++] = blobmsg_data(cur); - if (argc == ARRAY_SIZE(argv) - 1) - goto error; + if (argc == max - 1) + return false; } + +out: argv[argc] = NULL; - start_process((const char **) argv, &state->proto_task); + return true; +} + +static int +proto_shell_run_command(struct proto_shell_state *state, struct blob_attr **tb) +{ + char *argv[64]; + char *env[32]; + + if (!tb[NOTIFY_COMMAND]) + goto error; + + if (!fill_string_list(tb[NOTIFY_COMMAND], argv, ARRAY_SIZE(argv))) + goto error; + + if (!fill_string_list(tb[NOTIFY_ENV], env, ARRAY_SIZE(env))) + goto error; + + start_process((const char **) argv, (char **) env, &state->proto_task); return 0; |