fmsgdump.c 4.38 KB
Newer Older
1
/* $Id: fmsgdump.c,v 3.6 2020/04/26 21:01:55 rswindell Exp $ */
rswindell's avatar
rswindell committed
2 3 4 5 6 7 8 9 10 11 12
// vi: tabstop=4

#include "gen_defs.h"
#include "fidodefs.h"
#include "xpendian.h"	/* swap */
#include "dirwrap.h"	/* _PATH_DEVNULL */
#include <stdio.h>
#include <string.h>

FILE* nulfp;
FILE* bodyfp;
rswindell's avatar
rswindell committed
13
FILE* ctrlfp;
rswindell's avatar
rswindell committed
14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

char* freadstr(FILE* fp, char* str, size_t maxlen)
{
	int		ch;
	size_t	len=0;

	while((ch=fgetc(fp))!=EOF && len<maxlen) {
		str[len++]=ch;
		if(ch==0)
			break;
	}

	str[maxlen-1]=0;

	return(str);
}

rswindell's avatar
rswindell committed
31 32 33 34
const char* fmsgattr_str(uint16_t attr)
{
	char str[64] = "";

35
	str[0] = '\0';
rswindell's avatar
rswindell committed
36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
#define FIDO_ATTR_CHECK(a, f) if(a&FIDO_##f)	sprintf(str + strlen(str), "%s%s", str[0] == 0 ? "" : ", ", #f);
	FIDO_ATTR_CHECK(attr, PRIVATE);
	FIDO_ATTR_CHECK(attr, CRASH);
	FIDO_ATTR_CHECK(attr, RECV);
	FIDO_ATTR_CHECK(attr, SENT);
	FIDO_ATTR_CHECK(attr, FILE);
	FIDO_ATTR_CHECK(attr, INTRANS);
	FIDO_ATTR_CHECK(attr, ORPHAN);
	FIDO_ATTR_CHECK(attr, KILLSENT);
	FIDO_ATTR_CHECK(attr, LOCAL);
	FIDO_ATTR_CHECK(attr, HOLD);
	FIDO_ATTR_CHECK(attr, FREQ);
	FIDO_ATTR_CHECK(attr, RRREQ);
	FIDO_ATTR_CHECK(attr, RR);
	FIDO_ATTR_CHECK(attr, AUDIT);
	FIDO_ATTR_CHECK(attr, FUPREQ);
	if(str[0] == 0)
		return "";

55
	static char buf[128];
rswindell's avatar
rswindell committed
56 57 58 59
	sprintf(buf, "(%s)", str);
	return buf;
}

rswindell's avatar
rswindell committed
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
int msgdump(FILE* fp, const char* fname)
{
	int			ch;
	long		end;
	fmsghdr_t	hdr;

	if(fread(&hdr,sizeof(hdr),1,fp) != 1) {
		fprintf(stderr,"%s !Error reading msg hdr (%" XP_PRIsize_t "u bytes)\n"
			,fname,sizeof(hdr));
		return(__COUNTER__);
	}

	fseek(fp,-1L,SEEK_END);
	ch = fgetc(fp);
	end = ftell(fp);
	if(ch != FIDO_STORED_MSG_TERMINATOR) {
		fprintf(stderr,"%s !Message missing terminator (%02X instead of %02X)\n"
			,fname, (uchar)ch, FIDO_STORED_MSG_TERMINATOR);
//		return(-2);
	}

	if(hdr.from[sizeof(hdr.from)-1] != 0)
		fprintf(stderr,"%s Unterminated 'from' field\n", fname);
	if(hdr.to[sizeof(hdr.to)-1] != 0)
		fprintf(stderr,"%s Unterminated 'to' field\n", fname);
	if(hdr.subj[sizeof(hdr.subj)-1] != 0)
		fprintf(stderr,"%s Unterminated 'subj' field\n", fname);
	if(hdr.time[sizeof(hdr.time)-1] != 0)
		fprintf(stderr,"%s Untermianted 'time' field\n", fname);


	printf("Subj: %.*s\n", (int)sizeof(hdr.subj)-1, hdr.subj);
rswindell's avatar
rswindell committed
92
	printf("Attr: 0x%04hX %s\n", hdr.attr, fmsgattr_str(hdr.attr));
93
	printf("To  : %.*s (%u:%u/%u.%u)\n", (int)sizeof(hdr.to)-1, hdr.to
rswindell's avatar
rswindell committed
94
		,hdr.destzone, hdr.destnet, hdr.destnode, hdr.destpoint);
95
	TERMINATE(hdr.from);
96
	printf("From: %.*s (%u:%u/%u.%u)\n", (int)sizeof(hdr.from)-1, hdr.from
rswindell's avatar
rswindell committed
97
		,hdr.origzone, hdr.orignet, hdr.orignode, hdr.origpoint);
98
	TERMINATE(hdr.time);
rswindell's avatar
rswindell committed
99 100 101 102 103 104 105 106
	printf("Time: %.*s\n", (int)sizeof(hdr.time)-1, hdr.time);

	if(end <= sizeof(hdr)+1) {
		fprintf(stderr, "!No body text\n");
		return(__COUNTER__);
	}

	char* body = calloc((end - sizeof(hdr)) + 1, 1);
rswindell's avatar
rswindell committed
107 108 109 110
	if(body == NULL) {
		fprintf(stderr, "!MALLOC failure\n");
		return __COUNTER__;
	}
rswindell's avatar
rswindell committed
111 112
	fseek(fp, sizeof(hdr), SEEK_SET);
	fread(body, end - sizeof(hdr), 1, fp);
rswindell's avatar
rswindell committed
113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135
	fprintf(bodyfp, "\n-start of message text-\n");
	char* p = body;
	while(*p) {
		if((p == body || *(p - 1) == '\r') && *p == 1) {
			fputc('@', ctrlfp);
			p++;
			while(*p && *p != '\r')
				fputc(*(p++), ctrlfp);
			if(*p)
				p++;
			fputc('\n', ctrlfp);
			continue;
		}
		for(; *p && *p != '\r'; p++) {
			if(*p != '\n')
				fputc(*p, bodyfp);
		}
		if(*p) {
			p++;
			fputc('\n', bodyfp);
		}
	}
	fprintf(bodyfp, "-end of message text-\n");
rswindell's avatar
rswindell committed
136

rswindell's avatar
rswindell committed
137
	free(body);
rswindell's avatar
rswindell committed
138 139 140 141
	printf("\n");
	return(0);
}

142
char* usage = "usage: fmsgdump [-body | -ctrl] <file1.msg> [file2.msg] [...]\n";
rswindell's avatar
rswindell committed
143 144 145 146 147 148 149

int main(int argc, char** argv)
{
	FILE*	fp;
	int		i;
	char	revision[16];

150
	sscanf("$Revision: 3.6 $", "%*s %s", revision);
rswindell's avatar
rswindell committed
151 152 153 154 155 156 157 158 159 160 161 162 163 164 165

	fprintf(stderr,"fmsgdump rev %s - Dump FidoNet Stored Messages\n\n"
		,revision
		);

	if(argc<2) {
		fprintf(stderr,"%s",usage);
		return -1;
	}

	if((nulfp=fopen(_PATH_DEVNULL,"w+"))==NULL) {
		perror(_PATH_DEVNULL);
		return -1;
	}
	bodyfp=nulfp;
rswindell's avatar
rswindell committed
166
	ctrlfp=nulfp;
rswindell's avatar
rswindell committed
167 168 169 170 171 172 173 174 175 176

	if(sizeof(fmsghdr_t)!=FIDO_STORED_MSG_HDR_LEN) {
		printf("sizeof(fmsghdr_t)=%" XP_PRIsize_t "u, expected: %d\n",sizeof(fmsghdr_t),FIDO_STORED_MSG_HDR_LEN);
		return(-1);
	}

	for(i=1;i<argc;i++) {
		if(argv[i][0]=='-') {
			switch(tolower(argv[i][1])) {
				case 'b':
rswindell's avatar
rswindell committed
177
					bodyfp=stdout;
178
					// fall-through
rswindell's avatar
rswindell committed
179 180
				case 'c':
					ctrlfp=stdout;
rswindell's avatar
rswindell committed
181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198
					break;
				default:
					printf("%s",usage);
					return(0);
			}
			continue;
		}
		fprintf(stdout,"Opening %s\n",argv[i]);
		if((fp=fopen(argv[i],"rb"))==NULL) {
			perror(argv[i]);
			continue;
		}
		msgdump(fp, argv[i]);
		fclose(fp);
	}

	return(0);
}