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Commit | Line | Data |
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1 | /* | |
2 | * CUMODES functionality | |
3 | */ | |
4 | ||
5 | #include "newsearch.h" | |
6 | ||
7 | #include <stdio.h> | |
8 | #include <stdlib.h> | |
9 | ||
10 | struct cumodes_localdata { | |
11 | long setmodes; | |
12 | long clearmodes; | |
13 | struct searchNode *xnode; | |
14 | }; | |
15 | ||
16 | #define CU_OP 0x01 | |
17 | #define CU_VOICE 0x02 | |
18 | #define CU_ALL 0x03 | |
19 | ||
20 | const flag cumodelist[] = { | |
21 | { 'o', 1 }, | |
22 | { 'v', 2 }, | |
23 | { '\0', 0 } | |
24 | }; | |
25 | ||
26 | void *cumodes_nick_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput); | |
27 | void *cumodes_chan_exe(searchCtx *ctx, struct searchNode *thenode, void *theinput); | |
28 | void cumodes_free(searchCtx *ctx, struct searchNode *thenode); | |
29 | ||
30 | struct searchNode *cumodes_parse(searchCtx *ctx, int argc, char **argv) { | |
31 | struct cumodes_localdata *localdata; | |
32 | struct searchNode *thenode, *flagstr; | |
33 | flag_t fset, fclear; | |
34 | char *p; | |
35 | ||
36 | if (argc!=2) { | |
37 | parseError="cumodes: usage: cumodes (string) (mode string)"; | |
38 | return NULL; | |
39 | } | |
40 | ||
41 | if (!(ctx->searchcmd == reg_nicksearch) && !(ctx->searchcmd == reg_chansearch)) { | |
42 | parseError="cumodes: cannot be used outside of nicksearch or chansearch"; | |
43 | return NULL; | |
44 | } | |
45 | ||
46 | if (!(localdata=(struct cumodes_localdata *)malloc(sizeof(struct cumodes_localdata)))) { | |
47 | parseError = "malloc: could not allocate memory for this search."; | |
48 | return NULL; | |
49 | } | |
50 | ||
51 | localdata->xnode = ctx->parser(ctx, argv[0]); | |
52 | if (!(localdata->xnode = coerceNode(ctx, localdata->xnode, RETURNTYPE_STRING))) { | |
53 | free(localdata); | |
54 | return NULL; | |
55 | } | |
56 | ||
57 | fset=0; | |
58 | fclear=~0; | |
59 | ||
60 | if (!(flagstr=argtoconststr("cumodes", ctx, argv[1], &p))) { | |
61 | localdata->xnode->free(ctx, localdata->xnode); | |
62 | free(localdata); | |
63 | return NULL; | |
64 | } | |
65 | setflags(&(fset), CU_ALL, p, cumodelist, REJECT_NONE); | |
66 | setflags(&(fclear), CU_ALL, p, cumodelist, REJECT_NONE); | |
67 | flagstr->free(ctx, flagstr); | |
68 | ||
69 | localdata->setmodes=0; | |
70 | localdata->clearmodes=~0; | |
71 | ||
72 | if(fset & CU_OP) | |
73 | localdata->setmodes|=CUMODE_OP; | |
74 | if(fset & CU_VOICE) | |
75 | localdata->setmodes|=CUMODE_VOICE; | |
76 | if(!(fclear & CU_OP)) | |
77 | localdata->clearmodes&=~CUMODE_OP; | |
78 | if(!(fclear & CU_VOICE)) | |
79 | localdata->clearmodes&=~CUMODE_VOICE; | |
80 | ||
81 | localdata->clearmodes = ~(localdata->clearmodes); | |
82 | ||
83 | if (!(thenode=(struct searchNode *)malloc(sizeof(struct searchNode)))) { | |
84 | /* couldn't malloc() memory for thenode, so free localdata to avoid leakage */ | |
85 | parseError = "malloc: could not allocate memory for this search."; | |
86 | (localdata->xnode->free)(ctx, localdata->xnode); | |
87 | free(localdata); | |
88 | return NULL; | |
89 | } | |
90 | ||
91 | thenode->returntype = RETURNTYPE_BOOL; | |
92 | thenode->localdata = (void *)localdata; | |
93 | ||
94 | if (ctx->searchcmd == reg_nicksearch) { | |
95 | thenode->exe = cumodes_nick_exe; | |
96 | } else if (ctx->searchcmd == reg_chansearch) { | |
97 | thenode->exe = cumodes_chan_exe; | |
98 | } else { /* We really shouldn't get here */ | |
99 | parseError = "cumodes: internal code error."; | |
100 | free(thenode); | |
101 | (localdata->xnode->free)(ctx, localdata->xnode); | |
102 | free(localdata); | |
103 | return NULL; | |
104 | } | |
105 | ||
106 | thenode->free = cumodes_free; | |
107 | ||
108 | return thenode; | |
109 | } | |
110 | ||
111 | void *cumodes_nick_exe(searchCtx *ctx, struct searchNode *thenode, void *value) { | |
112 | struct cumodes_localdata *localdata; | |
113 | nick *np = (nick *)value; | |
114 | channel *cp; | |
115 | char *channame; | |
116 | unsigned long *lp, flags; | |
117 | ||
118 | localdata = (struct cumodes_localdata *)thenode->localdata; | |
119 | ||
120 | /* MEGA SLOW */ | |
121 | channame = (char *)(localdata->xnode->exe) (ctx, localdata->xnode, value); | |
122 | cp = findchannel(channame); | |
123 | if(!cp) | |
124 | return (void *)0; | |
125 | ||
126 | lp = getnumerichandlefromchanhash(cp->users,np->numeric); | |
127 | if(!lp) | |
128 | return (void *)0; | |
129 | ||
130 | flags = *lp; | |
131 | ||
132 | if (~flags & (localdata->setmodes)) | |
133 | return (void *)0; | |
134 | ||
135 | if (flags & (localdata->clearmodes)) | |
136 | return (void *)0; | |
137 | ||
138 | return (void *)1; | |
139 | } | |
140 | ||
141 | void *cumodes_chan_exe(searchCtx *ctx, struct searchNode *thenode, void *value) { | |
142 | struct cumodes_localdata *localdata; | |
143 | chanindex *cip = (chanindex *)value; | |
144 | nick *np; | |
145 | char *nickname; | |
146 | unsigned long *lp, flags; | |
147 | ||
148 | if(!cip->channel || !cip->channel->users) | |
149 | return (void *)0; | |
150 | ||
151 | localdata = (struct cumodes_localdata *)thenode->localdata; | |
152 | ||
153 | /* MEGA SLOW */ | |
154 | nickname = (char *)(localdata->xnode->exe) (ctx, localdata->xnode, value); | |
155 | np = getnickbynick(nickname); | |
156 | if(!np) | |
157 | return (void *)0; | |
158 | ||
159 | lp = getnumerichandlefromchanhash(cip->channel->users,np->numeric); | |
160 | if(!lp) | |
161 | return (void *)0; | |
162 | ||
163 | flags = *lp; | |
164 | ||
165 | if (~flags & (localdata->setmodes)) | |
166 | return (void *)0; | |
167 | ||
168 | if (flags & (localdata->clearmodes)) | |
169 | return (void *)0; | |
170 | ||
171 | return (void *)1; | |
172 | } | |
173 | ||
174 | void cumodes_free(searchCtx *ctx, struct searchNode *thenode) { | |
175 | struct cumodes_localdata *localdata = (struct cumodes_localdata *)thenode->localdata; | |
176 | (localdata->xnode->free)(ctx, localdata->xnode); | |
177 | free (thenode->localdata); | |
178 | free (thenode); | |
179 | } |