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map: make flatten_links dump a flattened map instead of blocking it (closes #48)

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based on my patches in shadowircd legacy (4.0)
This commit is contained in:
William Pitcock 2015-12-12 09:24:37 -06:00
parent 413c61aaf5
commit e1fda0d81e
1 changed files with 75 additions and 1 deletions
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76
modules/m_map.c
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@ -44,6 +44,7 @@ mapi_clist_av1 map_clist[] = { &map_msgtab, NULL };
DECLARE_MODULE_AV1(map, NULL, NULL, map_clist, NULL, NULL, "$Revision: 3368 $");
static void dump_map(struct Client *client_p, struct Client *root, char *pbuf);
static void flattened_map(struct Client *client_p);
static char buf[BUFSIZE];
@ -55,7 +56,8 @@ m_map(struct Client *client_p, struct Client *source_p, int parc, const char *pa
if((!IsExemptShide(source_p) && ConfigServerHide.flatten_links) ||
ConfigFileEntry.map_oper_only)
{
m_not_oper(client_p, source_p, parc, parv);
flattened_map(client_p);
sendto_one_numeric(client_p, RPL_MAPEND, form_str(RPL_MAPEND));
return 0;
}
@ -145,3 +147,75 @@ dump_map(struct Client *client_p, struct Client *root_p, char *pbuf)
i++;
}
}
/*
* flattened_map - display a version of map that doesn't give away routing
* information to users when flattened links is enabled.
*/
static void
flattened_map(struct Client *client_p)
{
char buf[BUFSIZE];
rb_dlink_node *ptr;
struct Client *target_p;
int i, len;
int cnt = 0;
/* First display me as the root */
rb_strlcpy(buf, me.name, BUFSIZE);
len = strlen(buf);
buf[len] = ' ';
if(len < USER_COL)
{
for (i = len + 1; i < USER_COL; i++)
{
buf[i] = '-';
}
}
snprintf(buf + USER_COL, BUFSIZE - USER_COL,
" | Users: %5lu (%4.1f%%)", rb_dlink_list_length(&me.serv->users),
100 * (float) rb_dlink_list_length(&me.serv->users) / (float) Count.total);
sendto_one_numeric(client_p, RPL_MAP, form_str(RPL_MAP), buf);
/* Next, we run through every other server and list them */
RB_DLINK_FOREACH(ptr, global_serv_list.head)
{
target_p = ptr->data;
cnt++;
/* Skip ourselves, it's already counted */
if(IsMe(target_p))
continue;
/* if we're hidden, go on to the next leaf */
if(!ConfigServerHide.disable_hidden && IsHidden(target_p))
continue;
if (cnt == rb_dlink_list_length(&global_serv_list))
rb_strlcpy(buf, " `- ", BUFSIZE);
else
rb_strlcpy(buf, " |- ", BUFSIZE);
strlcat(buf, target_p->name, BUFSIZE);
len = strlen(buf);
buf[len] = ' ';
if(len < USER_COL)
{
for (i = len + 1; i < USER_COL; i++)
{
buf[i] = '-';
}
}
snprintf(buf + USER_COL, BUFSIZE - USER_COL,
" | Users: %5lu (%4.1f%%)", rb_dlink_list_length(&target_p->serv->users),
100 * (float) rb_dlink_list_length(&target_p->serv->users) / (float) Count.total);
sendto_one_numeric(client_p, RPL_MAP, form_str(RPL_MAP), buf);
}
}