1 #if defined(HAVE_CONFIG_H)
8 #include <talloc/talloc.h>
12 #define streq(a, b) (!strcasecmp((a), (b)))
15 * event_parse_ad_header - Parse an <action>@<device> event header.
17 * The buffer is modified in place.
18 * Returns zero on success.
21 static int event_parse_ad_header(char *buf, int len, enum event_action *action,
29 headerlen = strnlen(buf, len);
32 pb_log("%s: bad header, no data\n", __func__);
36 /* we should see an <action>@<device>\0 at the head of the buffer */
37 sep = strchr(buf, '@');
39 pb_log("%s: bad header: %s\n", __func__, buf);
43 /* terminate the action string */
46 if (streq(buf, "add"))
47 *action = EVENT_ACTION_ADD;
48 else if (streq(buf, "remove"))
49 *action = EVENT_ACTION_REMOVE;
50 else if (streq(buf, "url"))
51 *action = EVENT_ACTION_URL;
52 else if (streq(buf, "conf"))
53 *action = EVENT_ACTION_CONF;
54 else if (streq(buf, "dhcp"))
55 *action = EVENT_ACTION_DHCP;
56 else if (streq(buf, "boot"))
57 *action = EVENT_ACTION_BOOT;
59 pb_log("%s: unknown action: %s\n", __func__, buf);
64 pb_log("%s: bad device: %s\n", __func__, buf);
73 * event_parse_params - Parse a <name>=<value> buffer.
75 * The buffer is not modified.
78 static void event_parse_params(struct event *event, const char *buf, int len)
80 int param_len, name_len, value_len;
84 for (; len > 0; len -= param_len + 1, buf += param_len + 1) {
86 /* find the length of the whole parameter */
87 param_len = strnlen(buf, len);
89 /* multiple NULs? skip over */
94 /* update the params array */
95 event->params = talloc_realloc(event, event->params,
96 struct param, ++event->n_params);
97 param = &event->params[event->n_params - 1];
99 sep = memchr(buf, '=', param_len);
101 name_len = param_len;
105 name_len = sep - buf;
106 value_len = param_len - name_len - 1;
107 param->value = talloc_strndup(event, sep + 1,
110 param->name = talloc_strndup(event, buf, name_len);
114 int event_parse_ad_message(struct event *event, char *buf, int len)
116 enum event_action action;
120 headerlen = event_parse_ad_header(buf, len, &action, &device);
125 /* now we have an action and a device, we can construct the event */
126 event->action = action;
127 event->device = talloc_strdup(event, device);
129 event->params = NULL;
131 len -= headerlen + 1;
132 buf += headerlen + 1;
133 event_parse_params(event, buf, len);
138 const char *event_get_param(const struct event *event, const char *name)
142 for (i = 0; i < event->n_params; i++)
143 if (!strcasecmp(event->params[i].name, name))
144 return event->params[i].value;
149 void event_set_param(struct event *event, const char *name, const char *value)
154 /* if it's already present, replace the value of the old param */
155 for (i = 0; i < event->n_params; i++) {
156 param = &event->params[i];
157 if (!strcasecmp(param->name, name)) {
158 talloc_free(param->value);
159 param->value = talloc_strdup(event, value);
164 /* not found - create a new param */
165 event->params = talloc_realloc(event, event->params,
166 struct param, ++event->n_params);
167 param = &event->params[event->n_params - 1];
169 param->name = talloc_strdup(event, name);
170 param->value = talloc_strdup(event, value);