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1 | /************************************************************************ |
2 | * IRC - Internet Relay Chat, tools/convertklines.c | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 1, or (at your option) | |
7 | * any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
17 | * | |
18 | * $Id: convertklines.c 6 2005-09-10 01:02:21Z nenolod $ | |
19 | */ | |
20 | ||
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <ctype.h> | |
24 | #include <string.h> | |
25 | ||
26 | #define BUFSIZE 512 | |
27 | ||
28 | static void ConvertConf(FILE* file,FILE *outkline, FILE *outdline); | |
29 | static void usage(void); | |
30 | static char *getfield(char *); | |
31 | static void ReplaceQuotes(char *out, char *in); | |
32 | static void parse(FILE *outkline, FILE *outdline, char *in); | |
33 | ||
34 | int main(int argc,char *argv[]) | |
35 | { | |
36 | FILE *in; | |
37 | FILE *outkline; | |
38 | FILE *outdline; | |
39 | ||
40 | if(argc < 4) | |
41 | usage(); | |
42 | ||
43 | if (( in = fopen(argv[1],"r")) == NULL ) | |
44 | { | |
45 | fprintf(stderr,"Can't open %s for reading\n", argv[1]); | |
46 | usage(); | |
47 | } | |
48 | ||
49 | if (( outkline = fopen(argv[2],"w")) == NULL ) | |
50 | { | |
51 | fprintf(stderr,"Can't open %s for writing\n", argv[2]); | |
52 | usage(); | |
53 | } | |
54 | ||
55 | if(( outdline = fopen(argv[3], "w")) == NULL ) | |
56 | { | |
57 | fprintf(stderr, "Can't open %s for writing\n", argv[3]); | |
58 | usage(); | |
59 | } | |
60 | ||
61 | ConvertConf(in, outkline, outdline); | |
62 | ||
63 | fprintf(stderr, "The kline file has been converted and should be renamed to\n"); | |
64 | fprintf(stderr, "the config.h options (normally kline.conf and dline.conf) and\n"); | |
65 | fprintf(stderr, "placed in your etc/ dir\n"); | |
66 | return 0; | |
67 | } | |
68 | ||
69 | static void usage() | |
70 | { | |
71 | fprintf(stderr, "klines and dlines now go in separate files:\n"); | |
72 | fprintf(stderr,"convertklines kline.conf.old kline.conf.new dline.conf.new\n"); | |
73 | exit(-1); | |
74 | } | |
75 | ||
76 | ||
77 | /* | |
78 | * ConvertConf() | |
79 | * Read configuration file. | |
80 | * | |
81 | * | |
82 | * inputs - FILE* to config file to convert | |
83 | * - FILE* to output for new klines | |
84 | * - FILE* to output for new dlines | |
85 | * outputs - -1 if the file cannot be opened | |
86 | * - 0 otherwise | |
87 | */ | |
88 | ||
89 | static void ConvertConf(FILE* file, FILE *outkline, FILE *outdline) | |
90 | { | |
91 | char line[BUFSIZE]; | |
92 | char quotedLine[BUFSIZE]; | |
93 | char* p; | |
94 | ||
95 | while (fgets(line, sizeof(line), file)) | |
96 | { | |
97 | if ((p = strchr(line, '\n'))) | |
98 | *p = '\0'; | |
99 | ||
100 | ReplaceQuotes(quotedLine,line); | |
101 | ||
102 | if (!*quotedLine || quotedLine[0] == '#' || quotedLine[0] == '\n' || | |
103 | quotedLine[0] == ' ' || quotedLine[0] == '\t') | |
104 | continue; | |
105 | ||
106 | /* Could we test if it's conf line at all? -Vesa */ | |
107 | if (quotedLine[1] == ':') | |
108 | { | |
109 | parse(outkline, outdline, quotedLine); | |
110 | } | |
111 | } | |
112 | ||
113 | fclose(file); | |
114 | } | |
115 | ||
116 | /* | |
117 | * ReplaceQuotes | |
118 | * Inputs - input line to quote | |
119 | * Output - quoted line | |
120 | * Side Effects - All quoted chars in input are replaced | |
121 | * with quoted values in output, # chars replaced with '\0' | |
122 | * otherwise input is copied to output. | |
123 | */ | |
124 | static void ReplaceQuotes(char* quotedLine,char *inputLine) | |
125 | { | |
126 | char *in; | |
127 | char *out; | |
128 | static char quotes[] = { | |
129 | 0, /* */ | |
130 | 0, /* a */ | |
131 | '\b', /* b */ | |
132 | 0, /* c */ | |
133 | 0, /* d */ | |
134 | 0, /* e */ | |
135 | '\f', /* f */ | |
136 | 0, /* g */ | |
137 | 0, /* h */ | |
138 | 0, /* i */ | |
139 | 0, /* j */ | |
140 | 0, /* k */ | |
141 | 0, /* l */ | |
142 | 0, /* m */ | |
143 | '\n', /* n */ | |
144 | 0, /* o */ | |
145 | 0, /* p */ | |
146 | 0, /* q */ | |
147 | '\r', /* r */ | |
148 | 0, /* s */ | |
149 | '\t', /* t */ | |
150 | 0, /* u */ | |
151 | '\v', /* v */ | |
152 | 0, /* w */ | |
153 | 0, /* x */ | |
154 | 0, /* y */ | |
155 | 0, /* z */ | |
156 | 0,0,0,0,0,0 | |
157 | }; | |
158 | ||
159 | /* | |
160 | * Do quoting of characters and # detection. | |
161 | */ | |
162 | for (out = quotedLine,in = inputLine; *in; out++, in++) | |
163 | { | |
164 | if (*in == '\\') | |
165 | { | |
166 | in++; | |
167 | if(*in == '\\') | |
168 | *out = '\\'; | |
169 | else if(*in == '#') | |
170 | *out = '#'; | |
171 | else | |
172 | *out = quotes[ (unsigned int) (*in & 0x1F) ]; | |
173 | } | |
174 | else if (*in == '#') | |
175 | { | |
176 | *out = '\0'; | |
177 | return; | |
178 | } | |
179 | else | |
180 | *out = *in; | |
181 | } | |
182 | *out = '\0'; | |
183 | } | |
184 | ||
185 | /* | |
186 | * parse() | |
187 | * Inputs - pointer to line to parse | |
188 | * - pointer to output to write | |
189 | * Output - | |
190 | * Side Effects - Parse one old style conf line. | |
191 | */ | |
192 | ||
193 | static void parse(FILE *outkline, FILE *outdline, char* line) | |
194 | { | |
195 | char conf_letter; | |
196 | char *tmp; | |
197 | const char *user_field = NULL; | |
198 | const char *passwd_field = NULL; | |
199 | const char *host_field = NULL; | |
200 | const char *operpasswd_field = NULL; | |
201 | ||
202 | tmp = getfield(line); | |
203 | ||
204 | conf_letter = *tmp; | |
205 | ||
206 | for (;;) /* Fake loop, that I can use break here --msa */ | |
207 | { | |
208 | /* host field */ | |
209 | if ((host_field = getfield(NULL)) == NULL) | |
210 | return; | |
211 | ||
212 | /* pass field */ | |
213 | if ((passwd_field = getfield(NULL)) == NULL) | |
214 | break; | |
215 | else | |
216 | { | |
217 | /* if theres a password, try splitting the operreason out */ | |
218 | char *p; | |
219 | ||
220 | if((p = strchr(passwd_field, '|'))) | |
221 | { | |
222 | *p++ = '\0'; | |
223 | operpasswd_field = p; | |
224 | } | |
225 | else | |
226 | operpasswd_field = ""; | |
227 | } | |
228 | ||
229 | /* user field */ | |
230 | if ((user_field = getfield(NULL)) == NULL) | |
231 | break; | |
232 | ||
233 | /* what could possibly be after a userfield? */ | |
234 | break; | |
235 | } | |
236 | ||
237 | if (!passwd_field) | |
238 | { | |
239 | passwd_field = ""; | |
240 | operpasswd_field = ""; | |
241 | } | |
242 | ||
243 | if (!user_field) | |
244 | user_field = ""; | |
245 | ||
246 | switch( conf_letter ) | |
247 | { | |
248 | case 'd': | |
249 | fprintf(stderr, "exempt in old file, ignoring.\n"); | |
250 | break; | |
251 | ||
252 | case 'D': /* Deny lines (immediate refusal) */ | |
253 | if(host_field && passwd_field) | |
254 | fprintf(outdline, "\"%s\",\"%s\",\"%s\",\"\",\"Unknown\",0\n", | |
255 | host_field, passwd_field, operpasswd_field); | |
256 | break; | |
257 | ||
258 | case 'K': /* Kill user line on irc.conf */ | |
259 | case 'k': | |
260 | if(host_field && passwd_field && user_field) | |
261 | fprintf(outkline, "\"%s\",\"%s\",\"%s\",\"%s\",\"\",\"Unknown\",0\n", | |
262 | user_field, host_field, passwd_field, operpasswd_field); | |
263 | break; | |
264 | ||
265 | default: | |
266 | fprintf(stderr, "Error in config file: %s", line); | |
267 | break; | |
268 | } | |
269 | } | |
270 | ||
271 | ||
272 | /* | |
273 | * field breakup for ircd.conf file. | |
274 | */ | |
275 | static char *getfield(char *newline) | |
276 | { | |
277 | static char *line = NULL; | |
278 | char *end, *field; | |
279 | ||
280 | if (newline) | |
281 | line = newline; | |
282 | ||
283 | if (line == NULL) | |
284 | { | |
285 | fprintf(stderr, "returned null!\n"); | |
286 | return NULL; | |
287 | } | |
288 | ||
289 | field = line; | |
290 | ||
291 | if ((end = strchr(line,':')) == NULL) | |
292 | { | |
293 | line = NULL; | |
294 | if ((end = strchr(field,'\n')) == NULL) | |
295 | end = field + strlen(field); | |
296 | } | |
297 | else | |
298 | line = end + 1; | |
299 | ||
300 | *end = '\0'; | |
301 | ||
302 | return field; | |
303 | } | |
304 | ||
305 |