X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fevent.c;h=047e9281fe8feabd8790d833780f4e9abe159bc6;hp=cced6588d8b88aed85683668c93a9a19ddcc0178;hb=8b46ab92aeff52b7354bf4f250835f75b4bd824c;hpb=9933fe75fd5f7f6a281a67deb3a8d919f5617f89 diff --git a/discover/event.c b/discover/event.c index cced658..047e928 100644 --- a/discover/event.c +++ b/discover/event.c @@ -2,7 +2,6 @@ #include "config.h" #endif -#define _GNU_SOURCE #include #include @@ -22,10 +21,17 @@ static int event_parse_ad_header(char *buf, int len, enum event_action *action, char **device) { + int headerlen; char *sep; *action = 0; *device = NULL; + headerlen = strnlen(buf, len); + + if (!headerlen) { + pb_log("%s: bad header, no data\n", __func__); + return -1; + } /* we should see an @\0 at the head of the buffer */ sep = strchr(buf, '@'); @@ -36,14 +42,21 @@ static int event_parse_ad_header(char *buf, int len, enum event_action *action, /* terminate the action string */ *sep = '\0'; - len -= sep - buf + 1; if (streq(buf, "add")) *action = EVENT_ACTION_ADD; else if (streq(buf, "remove")) *action = EVENT_ACTION_REMOVE; - else if (streq(buf, "conf")) - *action = EVENT_ACTION_CONF; + else if (streq(buf, "url")) + *action = EVENT_ACTION_URL; + else if (streq(buf, "dhcp")) + *action = EVENT_ACTION_DHCP; + else if (streq(buf, "boot")) + *action = EVENT_ACTION_BOOT; + else if (streq(buf, "sync")) + *action = EVENT_ACTION_SYNC; + else if (streq(buf, "plugin")) + *action = EVENT_ACTION_PLUGIN; else { pb_log("%s: unknown action: %s\n", __func__, buf); return -1; @@ -55,7 +68,7 @@ static int event_parse_ad_header(char *buf, int len, enum event_action *action, } *device = sep + 1; - return 0; + return headerlen; } /** @@ -102,26 +115,24 @@ static void event_parse_params(struct event *event, const char *buf, int len) int event_parse_ad_message(struct event *event, char *buf, int len) { - int result; - char *device; enum event_action action; - int device_len; + int headerlen; + char *device; - result = event_parse_ad_header(buf, len, &action, &device); + headerlen = event_parse_ad_header(buf, len, &action, &device); - if (result) + if (headerlen <= 0) return -1; - device_len = strlen(device); - /* now we have an action and a device, we can construct the event */ event->action = action; - event->device = talloc_strndup(event, device, device_len); + event->device = talloc_strdup(event, device); event->n_params = 0; event->params = NULL; - len -= device_len + 1; - event_parse_params(event, device + device_len + 1, len); + len -= headerlen + 1; + buf += headerlen + 1; + event_parse_params(event, buf, len); return 0; }