Commit | Line | Data |
---|---|---|
f8beb284 MW |
1 | /*$Id: tagmsg.c,v 1.3 1999/10/12 23:38:36 lindberg Exp $*/ |
2 | /*$Name: ezmlm-idx-040 $*/ | |
3 | #include "stralloc.h" | |
4 | #include "scan.h" | |
5 | #include "fmt.h" | |
6 | #include "strerr.h" | |
7 | #include "cookie.h" | |
8 | #include "slurp.h" | |
9 | #include "errtxt.h" | |
10 | #include "subscribe.h" | |
11 | #include "makehash.h" | |
12 | ||
13 | static stralloc line = {0}; | |
14 | static stralloc key = {0}; | |
15 | static char hash[COOKIE]; | |
16 | static char strnum[FMT_ULONG]; /* message number as sz */ | |
17 | ||
18 | static void die_nomem(fatal) | |
19 | char *fatal; | |
20 | { | |
21 | strerr_die2x(100,fatal,ERR_NOMEM); | |
22 | } | |
23 | ||
24 | void tagmsg(dir,msgnum,seed,action,hashout,bodysize,chunk,fatal) | |
25 | /* This routine creates a cookie from num,seed and the */ | |
26 | /* list key and returns that cookie in hashout. The use of sender/num and */ | |
27 | /* first char of action is used to make cookie differ between messages, */ | |
28 | /* the key is the secret list key. */ | |
29 | ||
30 | char *dir; /* db base dir */ | |
31 | unsigned long msgnum; /* number of this message */ | |
32 | char *seed; /* seed. NULL ok, but less entropy */ | |
33 | char *action; /* to make it certain the cookie differs from*/ | |
34 | /* one used for a digest */ | |
35 | char *hashout; /* calculated hash goes here */ | |
36 | unsigned long bodysize; | |
37 | unsigned long chunk; | |
38 | char *fatal; | |
39 | { | |
40 | unsigned int i; | |
41 | ||
42 | strnum[fmt_ulong(strnum,msgnum)] = '\0'; /* message nr ->string*/ | |
43 | ||
44 | switch(slurp("key",&key,32)) { | |
45 | case -1: | |
46 | strerr_die3sys(111,fatal,ERR_READ,"key: "); | |
47 | case 0: | |
48 | strerr_die3x(100,fatal,"key",ERR_NOEXIST); | |
49 | } | |
50 | cookie(hash,key.s,key.len,strnum,seed,action); | |
51 | for (i = 0; i < COOKIE; i++) | |
52 | hashout[i] = hash[i]; | |
53 | ||
54 | return; | |
55 | } |