Commit | Line | Data |
---|---|---|
212b6f5d MW |
1 | #include "cdb.h" |
2 | #include "byte.h" | |
3 | #include "open.h" | |
4 | #include "error.h" | |
5 | #include "control.h" | |
6 | #include "constmap.h" | |
7 | #include "stralloc.h" | |
8 | #include "rcpthosts.h" | |
9 | ||
10 | static int flagrh = 0; | |
11 | static stralloc rh = {0}; | |
12 | static struct constmap maprh; | |
13 | static int fdmrh; | |
14 | ||
15 | int rcpthosts_init() | |
16 | { | |
17 | flagrh = control_readfile(&rh,"control/rcpthosts",0); | |
18 | if (flagrh != 1) return flagrh; | |
19 | if (!constmap_init(&maprh,rh.s,rh.len,0)) return flagrh = -1; | |
20 | fdmrh = open_read("control/morercpthosts.cdb"); | |
21 | if (fdmrh == -1) if (errno != error_noent) return flagrh = -1; | |
22 | return 0; | |
23 | } | |
24 | ||
25 | static stralloc host = {0}; | |
26 | ||
27 | int rcpthosts(buf,len) | |
28 | char *buf; | |
29 | int len; | |
30 | { | |
31 | int j; | |
32 | ||
33 | if (flagrh != 1) return 1; | |
34 | ||
35 | j = byte_rchr(buf,len,'@'); | |
36 | if (j >= len) return 1; /* presumably envnoathost is acceptable */ | |
37 | ||
38 | ++j; buf += j; len -= j; | |
39 | ||
40 | if (!stralloc_copyb(&host,buf,len)) return -1; | |
41 | buf = host.s; | |
42 | case_lowerb(buf,len); | |
43 | ||
44 | for (j = 0;j < len;++j) | |
45 | if (!j || (buf[j] == '.')) | |
46 | if (constmap(&maprh,buf + j,len - j)) return 1; | |
47 | ||
48 | if (fdmrh != -1) { | |
49 | uint32 dlen; | |
50 | int r; | |
51 | ||
52 | for (j = 0;j < len;++j) | |
53 | if (!j || (buf[j] == '.')) { | |
54 | r = cdb_seek(fdmrh,buf + j,len - j,&dlen); | |
55 | if (r) return r; | |
56 | } | |
57 | } | |
58 | ||
59 | return 0; | |
60 | } |