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Commit | Line | Data |
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c86edd1d Q |
1 | /* authlib.c */ |
2 | ||
3 | #include "authlib.h" | |
4 | #include "chanserv.h" | |
5 | #include "../lib/irc_string.h" | |
6 | ||
7 | #include <string.h> | |
8 | #include <ctype.h> | |
9 | #include <sys/types.h> | |
10 | #include <regex.h> | |
11 | ||
12 | regex_t preg; | |
13 | ||
14 | int csa_initregex() { | |
15 | if (regcomp(&preg, VALID_EMAIL, REG_EXTENDED | REG_NOSUB | REG_ICASE)) | |
16 | return(1); | |
17 | else | |
18 | return(0); | |
19 | } | |
20 | ||
21 | void csa_freeregex() { | |
22 | regfree(&preg); | |
23 | } | |
24 | ||
25 | /* | |
26 | * use regex matching to determine if it's a valid eboy or not | |
27 | */ | |
28 | int csa_checkeboy(nick *sender, char *eboy) | |
29 | { | |
30 | int i, len; | |
31 | ||
32 | len = (((strlen(eboy)) < (EMAILLEN)) ? (strlen(eboy)) : (EMAILLEN)); | |
33 | if (len <= 4) { | |
34 | if (sender) | |
35 | chanservstdmessage(sender, QM_EMAILTOOSHORT, eboy); | |
36 | return (1); | |
37 | } | |
38 | ||
39 | if (strstr(&eboy[1], "@") == NULL) { | |
40 | if (sender) | |
41 | chanservstdmessage(sender, QM_EMAILNOAT, eboy); | |
42 | return (1); | |
43 | } | |
44 | ||
45 | if (eboy[len - 1] == '@') { | |
46 | if (sender) | |
47 | chanservstdmessage(sender, QM_EMAILATEND, eboy); | |
48 | return (1); | |
49 | } | |
50 | ||
51 | for (i = 0; i < len; i++) { | |
52 | if (!isalpha(eboy[i]) && !isdigit(eboy[i]) | |
53 | && !(eboy[i] == '@') && !(eboy[i] == '.') | |
54 | && !(eboy[i] == '_') && !(eboy[i] == '-')) { | |
55 | if (sender) | |
56 | chanservstdmessage(sender, QM_EMAILINVCHR, eboy); | |
57 | return (1); | |
58 | } | |
59 | } | |
60 | ||
61 | /* catch some real lame attempts */ | |
62 | if (!ircd_strncmp("user@mymailhost.xx", eboy, len) || !ircd_strncmp("info@quakenet.org", eboy, len) | |
63 | || !ircd_strncmp("user@mymail.xx", eboy, len) || !ircd_strncmp("user@mail.cc", eboy, len) | |
64 | || !ircd_strncmp("user@host.com", eboy, len) || !ircd_strncmp("Jackie@your.isp.com", eboy, len) | |
65 | || !ircd_strncmp("QBot@QuakeNet.org", eboy, len)) { | |
66 | if (sender) | |
67 | chanservstdmessage(sender, QM_NOTYOUREMAIL, eboy); | |
68 | return (1); | |
69 | } | |
70 | ||
71 | if (regexec(&preg, eboy, (size_t) 0, NULL, 0)) { | |
72 | if (sender) | |
73 | chanservstdmessage(sender, QM_INVALIDEMAIL, eboy); | |
74 | return (1); | |
75 | } | |
76 | ||
77 | return (0); | |
78 | } | |
79 | ||
80 | /* | |
81 | * create a random pw. code stolen from fox's O | |
82 | */ | |
83 | void csa_createrandompw(char *pw, int n) | |
84 | { | |
85 | int i; | |
86 | char upwdchars[] = "ABCDEFGHIJKLMNPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz123456789-!"; | |
87 | ||
88 | for (i = 0; i < n; i++) { | |
89 | pw[i] = upwdchars[rand() % (sizeof(upwdchars) - 1)]; | |
90 | } | |
91 | pw[n] = '\0'; | |
92 | } | |
1dd6d55d | 93 | |
94 | /* | |
95 | * check if account is "throttled" | |
96 | */ | |
97 | int csa_checkthrottled(nick *sender, reguser *rup, char *s) | |
98 | { | |
99 | time_t now; | |
100 | long d; | |
101 | float t; | |
102 | ||
103 | now=time(NULL); | |
104 | d=MAX_RESEND_TIME+rup->lastemailchange-now; | |
105 | ||
106 | if (d>MAX_RESEND_TIME) | |
107 | d=MAX_RESEND_TIME; | |
108 | ||
109 | if (d>0L) { | |
110 | t = ((float) d) / ((float) 3600); | |
111 | chanservstdmessage(sender, QM_MAILTHROTTLED, t); | |
112 | cs_log(sender,"%s FAIL username %s, new request throttled for %.1f hours",s,rup->username,t); | |
113 | return 1; | |
114 | } | |
115 | return 0; | |
116 | } |