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Commit | Line | Data |
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4278cc14 IB |
1 | /* |
2 | * KILL functionality | |
3 | */ | |
4 | ||
5 | #include "newsearch.h" | |
6 | ||
7 | #include <stdio.h> | |
8 | #include <stdlib.h> | |
9 | ||
0da2a4ae | 10 | #include "../control/control.h" |
4278cc14 IB |
11 | #include "../localuser/localuser.h" /* killuser() */ |
12 | #include "../lib/irc_string.h" /* IPtostr() */ | |
2ba836f2 | 13 | #include "../lib/strlfunc.h" |
4278cc14 IB |
14 | |
15 | /* used for *_free functions that need to warn users of certain things | |
16 | i.e. hitting too many users in a (kill) or (gline) - declared in newsearch.c */ | |
219d27f1 | 17 | extern nick *senderNSExtern; |
4278cc14 | 18 | |
c8be5183 CP |
19 | void *kill_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput); |
20 | void kill_free(searchCtx *ctx, struct searchNode *thenode); | |
a2646788 | 21 | static const char *defaultreason = "You (%n) have been disconnected for violating our terms of service"; |
4278cc14 IB |
22 | |
23 | struct kill_localdata { | |
24 | unsigned int marker; | |
25 | int count; | |
96429168 | 26 | char reason[NSMAX_REASON_LEN]; |
4278cc14 IB |
27 | }; |
28 | ||
f33f3f52 | 29 | struct searchNode *kill_parse(searchCtx *ctx, int argc, char **argv) { |
4278cc14 IB |
30 | struct kill_localdata *localdata; |
31 | struct searchNode *thenode; | |
32 | ||
9ce4f0be IB |
33 | if (!(localdata = (struct kill_localdata *) malloc(sizeof(struct kill_localdata)))) { |
34 | parseError = "malloc: could not allocate memory for this search."; | |
35 | return NULL; | |
36 | } | |
4278cc14 | 37 | localdata->count = 0; |
a92bb8e1 | 38 | if (ctx->searchcmd == reg_chansearch) |
8e257015 | 39 | localdata->marker = nextchanmarker(); |
a92bb8e1 | 40 | else if (ctx->searchcmd == reg_nicksearch) |
8e257015 | 41 | localdata->marker = nextnickmarker(); |
a92bb8e1 | 42 | else { |
31686847 | 43 | free(localdata); |
a92bb8e1 P |
44 | parseError = "kill: invalid search type"; |
45 | return NULL; | |
46 | } | |
4278cc14 | 47 | |
31686847 CP |
48 | if (argc==1) { |
49 | struct searchNode *reasonstr; | |
50 | char *p; | |
51 | if (!(reasonstr=argtoconststr("kill", ctx, argv[0], &p))) { | |
52 | free(localdata); | |
53 | return NULL; | |
54 | } | |
55 | ||
56 | strlcpy(localdata->reason, p, sizeof(localdata->reason)); | |
57 | reasonstr->free(ctx, reasonstr); | |
58 | } else { | |
2ba836f2 | 59 | strlcpy(localdata->reason, defaultreason, sizeof(localdata->reason)); |
31686847 CP |
60 | } |
61 | ||
9ce4f0be IB |
62 | if (!(thenode=(struct searchNode *)malloc(sizeof (struct searchNode)))) { |
63 | /* couldn't malloc() memory for thenode, so free localdata to avoid leakage */ | |
64 | parseError = "malloc: could not allocate memory for this search."; | |
65 | free(localdata); | |
66 | return NULL; | |
67 | } | |
4278cc14 IB |
68 | |
69 | thenode->returntype = RETURNTYPE_BOOL; | |
70 | thenode->localdata = localdata; | |
71 | thenode->exe = kill_exe; | |
72 | thenode->free = kill_free; | |
73 | ||
74 | return thenode; | |
75 | } | |
76 | ||
c8be5183 | 77 | void *kill_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput) { |
4278cc14 | 78 | struct kill_localdata *localdata; |
8e257015 IB |
79 | nick *np; |
80 | chanindex *cip; | |
4278cc14 IB |
81 | |
82 | localdata = thenode->localdata; | |
83 | ||
a92bb8e1 | 84 | if (ctx->searchcmd == reg_chansearch) { |
8e257015 IB |
85 | cip = (chanindex *)theinput; |
86 | cip->marker = localdata->marker; | |
1545f345 | 87 | localdata->count += cip->channel->users->totalusers; |
a92bb8e1 | 88 | } else { |
8e257015 IB |
89 | np = (nick *)theinput; |
90 | np->marker = localdata->marker; | |
91 | localdata->count++; | |
92 | } | |
4278cc14 | 93 | |
c7f7a584 | 94 | return (void *)1; |
4278cc14 IB |
95 | } |
96 | ||
c8be5183 | 97 | void kill_free(searchCtx *ctx, struct searchNode *thenode) { |
4278cc14 IB |
98 | struct kill_localdata *localdata; |
99 | nick *np, *nnp; | |
82b7019b | 100 | chanindex *cip; |
8e257015 | 101 | int i, j, safe=0; |
42458fa5 | 102 | unsigned int nickmarker; |
2ba836f2 | 103 | char msgbuf[512]; |
4278cc14 IB |
104 | |
105 | localdata = thenode->localdata; | |
106 | ||
107 | if (localdata->count > NSMAX_KILL_LIMIT) { | |
108 | /* need to warn the user that they have just tried to twat half the network ... */ | |
0da2a4ae | 109 | ctx->reply(senderNSExtern, "Warning: your pattern matches too many users (%d) - nothing done.", localdata->count); |
4278cc14 IB |
110 | free(localdata); |
111 | free(thenode); | |
112 | return; | |
113 | } | |
114 | ||
82b7019b | 115 | /* For channel searches, mark up all the nicks in the relevant channels first */ |
a92bb8e1 | 116 | if (ctx->searchcmd == reg_chansearch) { |
42458fa5 | 117 | nickmarker=nextnickmarker(); |
8e257015 | 118 | for (i=0;i<CHANNELHASHSIZE;i++) { |
82b7019b | 119 | for (cip=chantable[i];cip;cip=cip->next) { |
120 | /* Skip empty and non-matching channels */ | |
121 | if (!cip->channel || cip->marker != localdata->marker) | |
122 | continue; | |
123 | ||
124 | for (j=0;j<cip->channel->users->hashsize;j++) { | |
125 | if (cip->channel->users->content[j]==nouser) | |
126 | continue; | |
127 | ||
128 | if ((np=getnickbynumeric(cip->channel->users->content[j]))) | |
129 | np->marker=nickmarker; | |
2ba836f2 | 130 | } |
42458fa5 P |
131 | } |
132 | } | |
82b7019b | 133 | } else { |
134 | /* For nick searches they're already marked, pick up the saved value */ | |
135 | nickmarker=localdata->marker; | |
8e257015 | 136 | } |
82b7019b | 137 | |
138 | /* Now do the actual kills */ | |
139 | for (i=0;i<NICKHASHSIZE;i++) { | |
140 | for (np=nicktable[i];np;np=nnp) { | |
141 | nnp = np->next; | |
142 | ||
143 | if (np->marker != nickmarker) | |
144 | continue; | |
145 | ||
146 | if (IsOper(np) || IsService(np) || IsXOper(np)) { | |
147 | safe++; | |
148 | continue; | |
4278cc14 | 149 | } |
82b7019b | 150 | |
151 | nssnprintf(msgbuf, sizeof(msgbuf), localdata->reason, np); | |
152 | killuser(NULL, np, "%s", msgbuf); | |
4278cc14 IB |
153 | } |
154 | } | |
82b7019b | 155 | |
4278cc14 | 156 | if (safe) |
0da2a4ae | 157 | ctx->reply(senderNSExtern, "Warning: your pattern matched privileged users (%d in total) - these have not been touched.", safe); |
f16cabe4 | 158 | /* notify opers of the action */ |
0da2a4ae | 159 | ctx->wall(NL_KICKKILLS, "%s/%s killed %d %s via %s [%d untouched].", senderNSExtern->nick, senderNSExtern->authname, (localdata->count - safe), |
a92bb8e1 | 160 | (localdata->count - safe) != 1 ? "users" : "user", (ctx->searchcmd == reg_chansearch) ? "chansearch" : "nicksearch", safe); |
4278cc14 IB |
161 | free(localdata); |
162 | free(thenode); | |
163 | } |