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annotate f-demime/finish.c @ 4:612c4d0df768

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f-demime: rework for unboundedly long lines
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 06 May 2023 09:02:12 +0000
parents 7e0d08176f32
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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2 * This module implements the handling at the end of entity body input.
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3 */
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4
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5 #include <stdio.h>
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6 #include <stdlib.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include "defs.h"
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10
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11 extern enum msg_state msg_state;
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12 extern char cont_type_buf[HDR_BUF_SIZE], cont_te_buf[HDR_BUF_SIZE];
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13 extern int got_cont_type, got_cont_te;
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14 extern int b64_err_flag, b64_nonempty, qpdec_err_flag;
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15
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16 static void
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17 check_b64_err()
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18 {
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19 if (b64_err_flag)
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20 puts("X-Fdemime-Error: bad base64 data");
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21 }
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22
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23 static void
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24 check_qpdec_err()
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25 {
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26 if (qpdec_err_flag)
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27 puts("X-Fdemime-Error: bad quoted-printable data");
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28 }
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29
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30 void
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31 finish_msg_body()
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32 {
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33 switch (msg_state) {
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34 case MSG_STATE_HEADER:
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35 if (got_cont_type) {
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36 fputs(cont_type_buf, stdout);
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37 if (cont_type_buf[strlen(cont_type_buf)-1] != '\n')
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38 putchar('\n');
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39 }
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40 if (got_cont_te) {
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41 fputs(cont_te_buf, stdout);
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42 if (cont_te_buf[strlen(cont_te_buf)-1] != '\n')
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43 putchar('\n');
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44 }
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45 return;
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46 case MSG_STATE_PTEXT_B64:
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47 base64_dec_finish();
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48 check_b64_err();
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49 ptext_conv_finish();
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50 ptext_mark_transform("decode-base64");
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51 putchar('\n');
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52 ptext_emit_output();
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53 return;
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54 case MSG_STATE_PTEXT_QP:
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55 check_qpdec_err();
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56 ptext_conv_finish();
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57 ptext_mark_transform("decode-qp");
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58 putchar('\n');
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59 ptext_emit_output();
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60 return;
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61 case MSG_STATE_BLOB_B64:
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62 base64_dec_finish();
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63 check_b64_err();
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64 putchar('\n');
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65 attach_out_finish();
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66 if (b64_nonempty)
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67 puts("[base64 blob stripped]");
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68 putchar('\n');
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69 return;
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70 case MSG_STATE_B64_TO_QP:
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71 base64_dec_finish();
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72 check_b64_err();
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73 b2q_conv_finish();
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74 puts("X-Fdemime-Transform: base64-to-qp");
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75 puts("Content-Transfer-Encoding: quoted-printable");
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76 putchar('\n');
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77 b2q_emit_output();
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78 return;
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79 }
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80 }