include/qsmtpd.h

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#ifndef QSMTPD_H
#define QSMTPD_H
#include <netinet/in.h>
#include <sys/queue.h>
#include <sys/types.h>
#include "sstring.h"
#include "qdns.h"

struct smtpcomm {
        char            *name;          
        int             len;            
        long            mask;           
        int             (*func)(void);  
        long            state;          
        unsigned int    flags;          
};

struct xmitstat {
        unsigned int esmtp:1;           
        unsigned int ipv4conn:1;        
        unsigned int check2822:2;       
        unsigned int helostatus:3;      
        unsigned int datatype:1;        
        unsigned int spf:4;             
        int fromdomain:3;               
        unsigned int spacebug:1;        
        unsigned long thisbytes;        
        string mailfrom;                
        string authname;                
        char *tlsclient;                
        string remotehost;              
        char remoteip[INET6_ADDRSTRLEN];
        char *remoteinfo;               
        char *remoteport;               
        string helostr;                 
        struct in6_addr sremoteip;      
        char localip[INET6_ADDRSTRLEN]; 
        struct in6_addr slocalip;       
        struct ips *frommx;             
        char *spfexp;                   
        const char *spfmechanism;       
};

extern struct smtpcomm commands[];      
extern struct xmitstat xmitstat;
extern char *protocol;
extern const char *auth_host;           
extern const char *auth_check;          
extern const char **auth_sub;           
extern string heloname;                 
extern string msgidhost;                        
extern string liphost;                  
extern unsigned int goodrcpt;           
extern int badbounce;                   
extern unsigned long sslauth;           
extern unsigned long databytes;         
extern int relayclient;                 
extern long comstate;                   
extern int authhide;                    
extern int submission_mode;             
extern int err_control(const char *);
extern void freedata(void);
extern pid_t fork_clean();
void __attribute__ ((noreturn)) conn_cleanup(const int rc);
extern int __attribute__ ((noreturn)) smtp_quit(void);

#define EBOGUS 1002
#define EDONE 1003

TAILQ_HEAD(tailhead, recip) head;

struct recip {
        TAILQ_ENTRY(recip) entries;     
        string to;                      
        int ok;                         
};

extern struct recip *thisrecip;

#define HELOSTR (xmitstat.helostr.len ? xmitstat.helostr.s : xmitstat.remotehost.s)
#define HELOLEN (xmitstat.helostr.len ? xmitstat.helostr.len : xmitstat.remotehost.len)

#define MAILFROM (xmitstat.mailfrom.len ? xmitstat.mailfrom.s : "")

static inline int
connection_is_ipv4(void)
{
#ifdef IPV4ONLY
        return 1;
#else /* IPV4ONLY */
        return xmitstat.ipv4conn;
#endif /* IPV4ONLY */
}

#endif