correo.c

/* Parches de Terra Networks S.A.
 *
 * Services is copyright (c) 1996-1999 Andy Church.
 *     E-mail: <achurch@dragonfire.net>
 * This program is free but copyrighted software; see the file COPYING for
 * details.
 *
 * Modulo de envio de correo hecho por Toni García -zoltan <zolty@terra.es>
 */


#include "services.h"

#ifdef REG_NICK_MAIL

#ifdef SMTP
int check_smtp(char buf[BUFSIZE]);
#endif


/*
 * Esta funcion envia un correo con el email configurado
 * del source k sea con el subject y body pertinentes al
 * destino indicado.
 */
 
int send_mail(const char * destino, const char *subject, const char *body)
{
#ifdef SMTP
    int smtpsock = -1;
    char bufer[BUFSIZE];
    char tmp[BUFSIZE];
            
    smtpsock = conn(SMTP_HOST, SMTP_PORT, "localhost", 0);
    if (smtpsock < 0) {
        log("SMTP Error :no se pudo abrir socket");
        return 0;
    }

    sgets(bufer, sizeof(bufer), smtpsock);
    if (!check_smtp(bufer)) {
        disconn(smtpsock);
        return 0;
    }

    sputs("HELO services.terra.es\r\n",smtpsock);
    sgets(bufer, sizeof(bufer), smtpsock);
    if (!check_smtp(bufer)) {
        disconn(smtpsock);
        return 0;
    }

    sprintf(tmp,"MAIL FROM: %s\n",SendFrom);
    sputs(tmp,smtpsock);
    sgets(bufer, sizeof(bufer), smtpsock);
    if (!check_smtp(bufer)) {
        disconn(smtpsock);
        return 0;
    }
    
    sprintf(tmp,"RCPT TO: %s\n",destino);
    sputs(tmp,smtpsock);
    sgets(bufer, sizeof(bufer), smtpsock);
    if (!check_smtp(bufer)) {
        disconn(smtpsock);
        return 0;
    }
    
    sputs("DATA\n",smtpsock);
    sgets(bufer, sizeof(bufer), smtpsock);
    if (!check_smtp(bufer)) {
        disconn(smtpsock);
        return 0;
    }        

    sprintf(tmp,"From: %s\n",SendFrom);
    sputs(tmp,smtpsock);
    sprintf(tmp,"To: %s\n",destino);
    sputs(tmp,smtpsock);
    sprintf(tmp,"Return-Path: %s\n",SendFrom);
    sputs(tmp,smtpsock);    
    sprintf(tmp,"Subject: %s\n",subject);
    sputs(tmp,smtpsock);
             
    sprintf(tmp,"%s\n\n",body);
    sputs(tmp,smtpsock);    
    
    sputs(".\n",smtpsock);
    sgets(bufer, sizeof(bufer), smtpsock);
    if (!check_smtp(bufer)) {
        disconn(smtpsock);
        return 0;
    }    

    sputs("QUIT\n",smtpsock);
        
    disconn(smtpsock);
    smtpsock = -1;
                
    return 1;
    

#elif defined (SENDMAIL1)
    FILE *p;
    char sendmail[PATH_MAX];
                                                                              
    snprintf(sendmail, sizeof(sendmail), SendMailPatch, destino);
                                                                                           
    if (!(p = popen(sendmail, "w"))) {
//        privmsg(s_NickServ, u->nick, "mail jodido");
        log("mail jodio");
        return 0;
    }

    fprintf(p, "From: %s\n", SendFrom);
    fprintf(p, "To: %s\n", destino);
    fprintf(p, "Return-Patch: %s\n", SendFrom);
    fprintf(p, "Subject: %s\n", subject);    
    fprintf(p, "%s\n", body);

    fprintf(p, "\n.\n");
         
    pclose(p);    
    
    return 1;    
    
#elif defined (SENDMAIL2)
    char file[1024];
    char cmd[1024];
    FILE *p;
    
    snprintf(file, 1023, "%s/%u", MAILSPOOL, getpid());
    if ((p = fopen(file, "w+")) != NULL) {
        fprintf(p, "To: %s\n", destino);
        fprintf(p, "From: %s\n", SendFrom);
        fprintf(p, "Return-Path: %s\n", SendFrom);
        fprintf(p, "Subject: %s\n\n", subject);
        fprintf(p, "%s\n", body);
        fclose(p);
        
        sprintf(cmd, "%s -f%s -t < %s ", RUTA_SENDMAIL, Sendfrom, file);
        system(cmd);
        unlink(file):
        return 1;
     }
     else 
        return 0;
   
#endif
}


#ifdef SMTP
int check_smtp(char buf[BUFSIZE])
{
/* Esta funcion recibe la contestacion que recibimos
 * del smtp y nos devuelve si se ha producido un error
 * o no. Caso de ser asi, loguea el error.
 */

    char cod[5];
    int codigo;
        
    strncpy(cod,buf,4);
    codigo = strlen(cod);
    cod[codigo] = '\0';
    if (cod)
        codigo = atoi(cod);
    else
        codigo = 500;
    

    switch(codigo) {
        case 220:
            return 1;
            break;
                 
        case 221:
            return 1;
            break;    

        case 250:
            return 1;
            break;
                                
        case 354:
            return 1;
            break;            
            
        default:
            log("SMTP ERROR(%d) : %s",codigo,buf);
            return 0;
    }            
    return 0;
}
#endif /* SMTP */

#endif /* REG_NICK_MAIL */