Commit | Line | Data |
---|---|---|
dc0d77d7 CE |
1 | #include "uint16.h" |
2 | #include "strerr.h" | |
3 | #include "buffer.h" | |
4 | #include "scan.h" | |
5 | #include "str.h" | |
6 | #include "byte.h" | |
7 | #include "error.h" | |
8 | #include "iopause.h" | |
9 | #include "printpacket.h" | |
10 | #include "parsetype.h" | |
11 | #include "dns.h" | |
12 | ||
13 | #define FATAL "dnsqr: fatal: " | |
14 | ||
15 | void usage(void) | |
16 | { | |
17 | strerr_die1x(100,"dnsqr: usage: dnsqr type name"); | |
18 | } | |
19 | void oops(void) | |
20 | { | |
21 | strerr_die2sys(111,FATAL,"unable to parse: "); | |
22 | } | |
23 | ||
24 | char type[2]; | |
25 | static char *q; | |
26 | ||
27 | static stralloc out; | |
28 | ||
29 | static char seed[128]; | |
30 | ||
31 | int main(int argc,char **argv) | |
32 | { | |
33 | uint16 u16; | |
34 | ||
35 | dns_random_init(seed); | |
36 | ||
37 | if (!*argv) usage(); | |
38 | if (!*++argv) usage(); | |
39 | if (!parsetype(*argv,type)) usage(); | |
40 | ||
41 | if (!*++argv) usage(); | |
42 | if (!dns_domain_fromdot(&q,*argv,str_len(*argv))) oops(); | |
43 | ||
44 | if (*++argv) usage(); | |
45 | ||
46 | if (!stralloc_copys(&out,"")) oops(); | |
47 | uint16_unpack_big(type,&u16); | |
48 | if (!stralloc_catulong0(&out,u16,0)) oops(); | |
49 | if (!stralloc_cats(&out," ")) oops(); | |
50 | if (!dns_domain_todot_cat(&out,q)) oops(); | |
51 | if (!stralloc_cats(&out,":\n")) oops(); | |
52 | ||
53 | if (dns_resolve(q,type) == -1) { | |
54 | if (!stralloc_cats(&out,error_str(errno))) oops(); | |
55 | if (!stralloc_cats(&out,"\n")) oops(); | |
56 | } | |
57 | else { | |
58 | if (dns_resolve_tx.packetlen < 4) oops(); | |
59 | dns_resolve_tx.packet[2] &= ~1; | |
60 | dns_resolve_tx.packet[3] &= ~128; | |
61 | if (!printpacket_cat(&out,dns_resolve_tx.packet,dns_resolve_tx.packetlen)) oops(); | |
62 | } | |
63 | ||
64 | buffer_putflush(buffer_1,out.s,out.len); | |
65 | _exit(0); | |
66 | } |