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wget: yet another contortion for proftpd's PASV response.

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This commit is contained in:
Denis Vlasenko 2006-11-21 19:10:26 +00:00
parent 921f5df25f
commit f8c8bb1160
1 changed files with 4 additions and 4 deletions
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8
networking/wget.c
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@ -414,18 +414,18 @@ int wget_main(int argc, char **argv)
pasv_error:
bb_error_msg_and_die("bad response to %s: %s", "PASV", buf);
}
// Response is "227 garbageN1,N2,N3,N4,P1,P2[)]
// Response is "227 garbageN1,N2,N3,N4,P1,P2[)garbage]
// Server's IP is N1.N2.N3.N4 (we ignore it)
// Server's port for data connection is P1*256+P2
s = strrchr(buf, ')');
if (s && !s[1]) s[0] = '\0';
if (s) s[0] = '\0';
s = strrchr(buf, ',');
if (!s) goto pasv_error;
port = xatol_range(s+1, 0, 255);
port = xatou_range(s+1, 0, 255);
*s = '\0';
s = strrchr(buf, ',');
if (!s) goto pasv_error;
port += xatol_range(s+1, 0, 255) * 256;
port += xatou_range(s+1, 0, 255) * 256;
s_in.sin_port = htons(port);
dfp = open_socket(&s_in);