1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/* ### Modified by P.Saratxaga on 6 Aug 1995 ###
* - Added PCBOARD_GATE
* - changed MACHIGAI code ()
*/
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "xutil.h"
#include "lutil.h"
#include "rfcmsg.h"
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#ifndef BUFSIZ
#define BUFSIZ 512
#endif
#define KWDCHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_."
extern char *bgets(char *,int,FILE *);
rfcmsg *parsrfc(fp)
FILE *fp;
{
int linecont=FALSE,newcont,firstline;
rfcmsg *start=NULL, *cur=NULL;
char buffer[BUFSIZ];
char *p;
while(bgets(buffer,BUFSIZ-1,fp) && strcmp(buffer,"\n"))
{
newcont=(buffer[strlen(buffer)-1] != '\n');
debug(17,"Line read: \"%s\" - %s continued",
buffer,newcont?"to be":"not to be");
if (linecont)
{
debug(17,"this is a continuation of a long line");
cur->val=xstrcat(cur->val,buffer);
}
else
{
if (isspace(buffer[0]))
{
if (strspn(buffer," \t\n") == strlen(buffer))
{
debug(17,"breaking with blank-only line");
break;
}
debug(17,"this is a continuation line");
if (!cur)
{
debug(17,"Wrong first line: \"%s\"",buffer);
cur=(rfcmsg *)
xmalloc(sizeof(rfcmsg));
start=cur;
cur->next=NULL;
cur->key=xstrcpy("X-Body-Start");
cur->val=xstrcpy(buffer);
break;
}
else cur->val=xstrcat(cur->val,buffer);
}
else
{
debug(17,"this is a header line");
if (cur)
{
firstline=FALSE;
(cur->next)=(rfcmsg *)
xmalloc(sizeof(rfcmsg));
cur=cur->next;
}
else
{
firstline=TRUE;
cur=(rfcmsg *)
xmalloc(sizeof(rfcmsg));
start=cur;
}
cur->next=NULL;
cur->key=NULL;
cur->val=NULL;
if (firstline && !strncmp(buffer,"From ",5))
{
debug(17,"This is a uucpfrom line");
cur->key=xstrcpy("X-UUCP-From");
cur->val=xstrcpy(buffer+4);
}
#ifdef PCBOARD_GATE
/* These ones are generatd by a usenet-->PcBoard-->FTN gate
"@FROM :" has the address of the original "From: " (but not the freename,
which is on the fidonet header, don't know how to get it...
"@SUBJECT:" is the original "Subject: ", and "@PACKOUT:" seems to be
the "Expires: ", the date format is changed to dd-mm-yy */
else if ( !strncmp(buffer,"@FROM :",9))
{
debug(17,"@FROM___: line");
cur->key=xstrcpy("X-PcBoard-FROM");
cur->val=xstrcpy(" ");
cur->val=xstrcat(cur->val,buffer+9);
}
else if ( !strncmp(buffer,"@SUBJECT:",9))
{
debug(17,"@SUBJECT: line");
cur->key=xstrcpy("X-PcBoard-SUBJECT");
cur->val=xstrcpy(" ");
cur->val=xstrcat(cur->val,buffer+9);
}
else if ( !strncmp(buffer,"@PACKOUT:",9))
{
debug(17,"@PACKOUT: line");
cur->key=xstrcpy("X-PcBoard-PACKOUT");
cur->val=xstrcpy(" ");
cur->val=xstrcat(cur->val,buffer+9);
}
#endif /* PCBOARD_GATE */
#ifdef MACHIGAI
else if ( !strncasecmp(buffer,"Cc:",3))
{
debug(17,"Cc: line");
if (strchr(buffer+3,'@')) {
cur->key=xstrcpy("Cc");
cur->val=xstrcpy(buffer+3);
} else {
debug(17,"FTN Cc: line: \"%s\"",
buffer);
cur->key=xstrcpy("X-Body-Start");
cur->val=xstrcpy(buffer);
break;
}
}
#endif
else if ((p=strchr(buffer,':')) &&
(p > buffer) && /* ':' isn't 1st chr */
isspace(*(p+1)) && /* space past ':' */
#ifdef MACHIGAI
/* at least one non blank char */
(strspn(p+2, " \t\n") < strlen(p+2)) &&
#endif
(strspn(buffer,KWDCHARS) == (p-buffer)))
{
*p='\0';
debug(17,"This is a regular header");
cur->key=xstrcpy(buffer);
cur->val=xstrcpy(p+1);
}
else
{
debug(17,"Non-header line: \"%s\"",buffer);
cur->key=xstrcpy("X-Body-Start");
cur->val=xstrcpy(buffer);
break;
}
}
}
linecont=newcont;
}
return(start);
}
void tidyrfc(msg)
rfcmsg *msg;
{
rfcmsg *nxt;
for (;msg;msg=nxt)
{
nxt=msg->next;
if (msg->key) free(msg->key);
if (msg->val) free(msg->val);
free(msg);
}
return;
}
void dumpmsg(msg,fp)
rfcmsg *msg;
FILE *fp;
{
char *p;
p=hdr("X-Body-Start",msg);
for (;msg;msg=msg->next) if (strcasecmp(msg->key,"X-Body-Start"))
{
if (!strcasecmp(msg->key,"X-UUCP-From"))
fputs("From",fp);
else
{
fputs(msg->key,fp);
fputs(":",fp);
}
fputs(msg->val,fp);
}
fputs("\n",fp);
if (p) fputs(p,fp);
return;
}
|
