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#ifndef RSPAMD_SPF_H
#define RSPAMD_SPF_H
#include "config.h"
#include "ref.h"
#include "addr.h"
#ifdef __cplusplus
extern "C" {
#endif
struct rspamd_task;
struct spf_resolved;
typedef void (*spf_cb_t) (struct spf_resolved *record,
struct rspamd_task *task, gpointer cbdata);
typedef enum spf_mech_e {
SPF_FAIL,
SPF_SOFT_FAIL,
SPF_PASS,
SPF_NEUTRAL
} spf_mech_t;
typedef enum spf_action_e {
SPF_RESOLVE_MX,
SPF_RESOLVE_A,
SPF_RESOLVE_PTR,
SPF_RESOLVE_AAA,
SPF_RESOLVE_REDIRECT,
SPF_RESOLVE_INCLUDE,
SPF_RESOLVE_EXISTS,
SPF_RESOLVE_EXP
} spf_action_t;
#define RSPAMD_SPF_FLAG_IPV6 (1u << 0u)
#define RSPAMD_SPF_FLAG_IPV4 (1u << 1u)
#define RSPAMD_SPF_FLAG_PROCESSED (1u << 2u)
#define RSPAMD_SPF_FLAG_ANY (1u << 3u)
#define RSPAMD_SPF_FLAG_PARSED (1u << 4u)
#define RSPAMD_SPF_FLAG_INVALID (1u << 5u)
#define RSPAMD_SPF_FLAG_REFERENCE (1u << 6u)
#define RSPAMD_SPF_FLAG_REDIRECT (1u << 7u)
#define RSPAMD_SPF_FLAG_TEMPFAIL (1u << 8u)
#define RSPAMD_SPF_FLAG_NA (1u << 9u)
#define RSPAMD_SPF_FLAG_PERMFAIL (1u << 10u)
#define RSPAMD_SPF_FLAG_RESOLVED (1u << 11u)
struct spf_addr {
guchar addr6[sizeof (struct in6_addr)];
guchar addr4[sizeof (struct in_addr)];
union {
struct {
guint16 mask_v4;
guint16 mask_v6;
} dual;
guint32 idx;
} m;
guint flags;
spf_mech_t mech;
gchar *spf_string;
struct spf_addr *prev, *next;
};
struct spf_resolved {
gchar *domain;
guint ttl;
gboolean temp_failed;
gboolean na;
gboolean perm_failed;
guint64 digest;
GArray *elts; /* Flat list of struct spf_addr */
ref_entry_t ref; /* Refcounting */
};
/*
* Resolve spf record for specified task and call a callback after resolution fails/succeed
*/
gboolean rspamd_spf_resolve (struct rspamd_task *task, spf_cb_t callback,
gpointer cbdata);
/*
* Get a domain for spf for specified task
*/
const gchar *rspamd_spf_get_domain (struct rspamd_task *task);
/*
* Increase refcount
*/
struct spf_resolved *spf_record_ref (struct spf_resolved *rec);
/*
* Decrease refcount
*/
void spf_record_unref (struct spf_resolved *rec);
/**
* Prints address + mask in a freshly allocated string (must be freed)
* @param addr
* @return
*/
gchar *spf_addr_mask_to_string (struct spf_addr *addr);
/**
* Returns spf address that matches the specific task (or nil if not matched)
* @param task
* @param rec
* @return
*/
struct spf_addr *spf_addr_match_task (struct rspamd_task *task,
struct spf_resolved *rec);
#ifdef __cplusplus
}
#endif
#endif
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