mirror of
https://github.com/rkd77/elinks.git
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91 lines
1.6 KiB
C
91 lines
1.6 KiB
C
/* Blacklist manager */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <string.h>
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#include "elinks.h"
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#include "protocol/http/blacklist.h"
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#include "protocol/protocol.h"
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#include "protocol/uri.h"
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#include "util/lists.h"
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#include "util/memory.h"
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#include "util/string.h"
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struct blacklist_entry {
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LIST_HEAD(struct blacklist_entry);
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blacklist_flags_T flags;
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char host[1]; /* Must be last. */
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};
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static INIT_LIST_OF(struct blacklist_entry, blacklist);
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static struct blacklist_entry *
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get_blacklist_entry(struct uri *uri)
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{
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struct blacklist_entry *entry;
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if (uri->protocol != PROTOCOL_MAILCAP) {
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assert(uri && uri->hostlen > 0);
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if_assert_failed return NULL;
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}
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foreach (entry, blacklist)
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if (!c_strlcasecmp(entry->host, -1, uri->host, uri->hostlen))
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return entry;
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return NULL;
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}
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void
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add_blacklist_entry(struct uri *uri, blacklist_flags_T flags)
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{
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struct blacklist_entry *entry = get_blacklist_entry(uri);
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if (entry) {
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entry->flags |= flags;
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return;
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}
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entry = (struct blacklist_entry *)mem_alloc(sizeof(*entry) + uri->hostlen);
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if (!entry) return;
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entry->flags = flags;
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safe_strncpy(entry->host, uri->host, uri->hostlen + 1);
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add_to_list(blacklist, entry);
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}
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void
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del_blacklist_entry(struct uri *uri, blacklist_flags_T flags)
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{
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struct blacklist_entry *entry = get_blacklist_entry(uri);
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if (!entry) return;
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entry->flags &= ~flags;
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if (entry->flags) return;
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del_from_list(entry);
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mem_free(entry);
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}
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blacklist_flags_T
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get_blacklist_flags(struct uri *uri)
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{
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struct blacklist_entry *entry = get_blacklist_entry(uri);
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return entry ? entry->flags : SERVER_BLACKLIST_NONE;
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}
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void
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free_blacklist(void)
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{
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free_list(blacklist);
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}
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