mirror of git://git.psyced.org/git/psyced
99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
// $Id: legal.c,v 1.18 2008/07/26 10:54:31 lynx Exp $ // vim:syntax=lpc
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#include <net.h>
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// legal nickname/placename test..
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varargs string legal_name(string name, int isPlace) {
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int i;
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string n = name;
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//PT(("legal_name(%O) in %O\n", n, ME))
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if (shutdown_in_progress) {
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P1(("not legal_name for %O: shutdown in progress\n", n))
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return 0;
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}
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if (!n || n == "") {
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P1(("not legal_name: %O is empty\n", n))
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return 0; // "somebody";
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}
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#ifdef MAX_NAME_LEN
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if (strlen(n) > MAX_NAME_LEN) {
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P1(("not legal_name: %O exceeds MAX_NAME_LEN\n", n))
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return 0;
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}
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#endif
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// this saves applet/user from malfunction!
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if (index("!=-0123456789", n[0]) != -1) {
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P1(("not legal_name: %O has !=- as first char.\n", n))
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return 0;
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}
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#ifdef _flag_enable_module_microblogging
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string nick;
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if (isPlace && sscanf(name, "~%s#updates", nick))
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n = nick;
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#endif
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string chars = "\
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abcdefghijklmnopqrstuvwxyz\
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ABCDEFGHIJKLMNOPQRSTUVWXYZ\
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0123456789_-=+";
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for (i=strlen(n)-1; i>=0; i--) {
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if (index(chars, n[i]) == -1) {
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P1(("not legal_name: %O has ill char at %d (%O).\n",
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n, i, n[i]))
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return 0;
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}
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}
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return name; // we used to return n here instead..
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}
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array(string) legal_password(string pw, string nick) {
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int i;
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if (shutdown_in_progress)
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return ({ "_failure_server_shutdown",
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"Sorry, server is being shut down.\n" });
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if (!stringp(pw) || strlen(pw) < 3)
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return ({ "_error_illegal_password_size",
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"That password is too short.\n" });
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if (index(pw, '<') != -1 || index(pw, '>') != -1 ||
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index(pw, ' ') != -1)
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return ({ "_error_illegal_password_characters",
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"Password contains illegal characters.\n" });
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if (nick && strstr(lower_case(pw), lower_case(nick), 0) != -1)
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return ({ "_error_illegal_password_username",
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"That password contains your nickname.\n" });
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return 0;
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}
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/* check for legal PSYC keyword (var or mc names), see specs */
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#ifndef legal_keyword // inline variant is better of course
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int legal_keyword(string n) {
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# if __EFUN_DEFINED__(regreplace)
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# include <regexp.h>
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string t = regmatch(n, "[^_0-9A-Za-z]");
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P1(("legal_keyword(%O) says %O\n", n, t))
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return !t;
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# else
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int i;
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for (i=strlen(n)-1; i>=0; i--) {
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if (index("_\
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abcdefghijklmnopqrstuvwxyz\
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ABCDEFGHIJKLMNOPQRSTUVWXYZ\
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0123456789", n[i]) == -1) {
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P1(("not legal_keyword: %O has ill char at %d (%O).\n",
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n, i, n[i]))
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return 0;
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}
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}
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return 1;
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# endif
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}
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#endif
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