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1 /*
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2 ** smtp_out.h
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3 ** Copyright (C) Oliver Kurth,
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4 **
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5 ** This program is free software; you can redistribute it and/or modify
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6 ** it under the terms of the GNU General Public License as published by
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7 ** the Free Software Foundation; either version 2 of the License, or
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8 ** (at your option) any later version.
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9 **
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10 ** This program is distributed in the hope that it will be useful,
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11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 ** GNU General Public License for more details.
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14 **
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15 ** You should have received a copy of the GNU General Public License
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16 ** along with this program; if not, write to the Free Software
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17 ** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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18 */
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19
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20 #include <unistd.h>
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21 #include <sys/types.h>
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22 #include <sys/socket.h>
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23 #include <sys/time.h>
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24 #include <netinet/in.h>
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25 #include <netdb.h>
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26
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27 #define SMTP_BUF_LEN 1024
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28 #define SMTP_SIZE_ADD 1024 /* add to the size of a message */
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29
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30 #define SMTP_INITIAL_TIMEOUT 5*60
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31 #define SMTP_CMD_TIMEOUT 5*60
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32 #define SMTP_DATA_TIMEOUT 5*60
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33 #define SMTP_FINAL_TIMEOUT 10*60
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34
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35 typedef enum _smtp_error {
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36 smtp_ok = 0, /* mail was delivered to at least one recpient */
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37 smtp_trylater, /* server responded with 4xx */
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38 smtp_fail, /* server responded with 5xx */
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39 smtp_timeout, /* connection timed out */
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40 smtp_eof, /* got unexpected EOF */
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41 smtp_syntax, /* unexpected response */
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42 smtp_cancel /* we gave up (eg. size) */
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43 } smtp_error;
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44
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45
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46 typedef struct _smtp_base {
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47 FILE *in;
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48 FILE *out;
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49
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50 gint sock;
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51 gint dup_sock;
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52
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53 gchar *remote_host;
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54 gchar *helo_name;
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55
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56 gchar *buffer;
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57 gint last_code;
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58
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59 gboolean use_size;
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60 gboolean use_pipelining;
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61 gboolean use_auth;
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62
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63 gint max_size;
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64
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65 gchar **auth_names;
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66
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67 gchar *auth_name;
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68 gchar *auth_login;
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69 gchar *auth_secret;
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70
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71 smtp_error error;
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72
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73 } smtp_base;
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74
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75 gchar *set_heloname(smtp_base *psb, gchar *default_name, gboolean do_correct);
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76 gboolean set_auth(smtp_base *psb, gchar *name, gchar *login, gchar *secret);
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77 void destroy_smtpbase(smtp_base *psb);
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78 smtp_base *smtp_out_open(gchar *host, gint port, GList *resolve_list);
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79 smtp_base *smtp_out_open_child(gchar *cmd);
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80 gboolean smtp_out_rset(smtp_base *psb);
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81 gboolean smtp_out_init(smtp_base *psb, gboolean instant_helo);
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82 gint smtp_out_msg(smtp_base *psb, message *msg, address *return_path, GList *rcpt_list, GList *hdr_list);
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83 gboolean smtp_out_quit(smtp_base *psb);
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84 void smtp_out_mark_rcpts(smtp_base *psb, GList *rcpt_list);
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85
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86 gint smtp_deliver(gchar *host, gint port, GList *resolve_list, message *msg, address *return_path, GList *rcpt_list);
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