Mercurial > ~mikael > mcabber > hg
annotate mcabber/mcabber/utils.c @ 1911:baa52ea32b47
Only print the ssl status as an integer if we don't understand it
author | franky |
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date | Fri, 14 May 2010 09:58:40 +0200 |
parents | 3695266e16c7 |
children | 0ba755e5dc48 |
rev | line source |
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241 | 1 /* |
2 * utils.c -- Various utility functions | |
393 | 3 * |
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4 * Copyright (C) 2005-2010 Mikael Berthe <mikael@lilotux.net> |
1599 | 5 * Some of the ut_* functions are derived from Cabber debug/log code. |
1361 | 6 * from_iso8601() comes from the Pidgin (libpurple) project. |
241 | 7 * |
8 * This program is free software; you can redistribute it and/or modify | |
9 * it under the terms of the GNU General Public License as published by | |
10 * the Free Software Foundation; either version 2 of the License, or (at | |
11 * your option) any later version. | |
12 * | |
13 * This program is distributed in the hope that it will be useful, but | |
14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 * General Public License for more details. | |
17 * | |
18 * You should have received a copy of the GNU General Public License | |
19 * along with this program; if not, write to the Free Software | |
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
21 * USA | |
22 */ | |
23 | |
1639 | 24 #include <config.h> |
25 | |
24 | 26 #include <stdio.h> |
27 #include <stdlib.h> | |
77 | 28 #include <string.h> |
24 | 29 #include <stdarg.h> |
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30 #include <errno.h> |
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31 |
1639 | 32 #ifdef HAVE_LIBIDN |
33 #include <idna.h> | |
34 #include <stringprep.h> | |
35 static char idnprep[1024]; | |
36 #endif | |
37 | |
38 #include <glib.h> | |
1598 | 39 #include <glib/gprintf.h> |
40 | |
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41 /* For Cygwin (thanks go to Yitzchak Scott-Thoennes) */ |
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42 #ifdef __CYGWIN__ |
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43 # define timezonevar |
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44 extern long timezone; |
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45 #endif |
24 | 46 #include <time.h> |
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47 #include <unistd.h> |
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48 #include <sys/types.h> |
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49 #include <sys/stat.h> |
452 | 50 #include <ctype.h> |
24 | 51 |
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52 #include "utils.h" |
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53 #include "logprint.h" |
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54 #include "settings.h" |
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55 #include "main.h" |
241 | 56 |
76 | 57 static int DebugEnabled; |
77 | 58 static char *FName; |
24 | 59 |
1598 | 60 // jidtodisp(jid) |
61 // Strips the resource part from the jid | |
62 // The caller should g_free the result after use. | |
63 char *jidtodisp(const char *fjid) | |
64 { | |
65 char *ptr; | |
66 char *alias; | |
67 | |
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68 if (!fjid) { |
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69 scr_LogPrint(LPRINT_LOGNORM, "** jidtodisp: NULL JID, " |
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70 "this is probably a bug, please report!"); |
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71 return NULL; |
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72 } |
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73 |
1598 | 74 alias = g_strdup(fjid); |
75 | |
76 if ((ptr = strchr(alias, JID_RESOURCE_SEPARATOR)) != NULL) { | |
77 *ptr = 0; | |
78 } | |
79 return alias; | |
80 } | |
81 | |
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82 char *jid_get_username(const char *fjid) |
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83 { |
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84 char *ptr; |
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85 char *username; |
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86 |
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87 username = g_strdup(fjid); |
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88 if ((ptr = strchr(username, JID_DOMAIN_SEPARATOR)) != NULL) { |
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89 *ptr = 0; |
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90 } |
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91 return username; |
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92 } |
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93 |
1598 | 94 char *compose_jid(const char *username, const char *servername, |
95 const char *resource) | |
96 { | |
97 char *fjid; | |
98 | |
99 if (!strchr(username, JID_DOMAIN_SEPARATOR)) { | |
100 fjid = g_strdup_printf("%s%c%s%c%s", username, | |
101 JID_DOMAIN_SEPARATOR, servername, | |
102 JID_RESOURCE_SEPARATOR, resource); | |
103 } else { | |
104 fjid = g_strdup_printf("%s%c%s", username, | |
105 JID_RESOURCE_SEPARATOR, resource); | |
106 } | |
107 return fjid; | |
108 } | |
109 | |
110 gboolean jid_equal(const char *jid1, const char *jid2) | |
111 { | |
112 char *a,*b; | |
113 int ret; | |
114 if (!jid1 && !jid2) | |
115 return TRUE; | |
116 if (!jid1 || !jid2) | |
117 return FALSE; | |
118 | |
119 a = jidtodisp(jid1); | |
120 b = jidtodisp(jid2); | |
121 ret = strcasecmp(a, b); | |
122 g_free(a); | |
123 g_free(b); | |
124 return (ret == 0) ? TRUE : FALSE; | |
125 } | |
126 | |
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127 // expand_filename(filename) |
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128 // Expand "~/" with the $HOME env. variable in a file name. |
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129 // The caller must free the string after use. |
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130 char *expand_filename(const char *fname) |
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131 { |
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132 if (!fname) |
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133 return NULL; |
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134 if (!strncmp(fname, "~/", 2)) { |
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135 char *homedir = getenv("HOME"); |
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136 if (homedir) |
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137 return g_strdup_printf("%s%s", homedir, fname+1); |
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138 } |
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139 return g_strdup(fname); |
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140 } |
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141 |
1598 | 142 void fingerprint_to_hex(const unsigned char *fpr, char hex[49]) |
143 { | |
144 int i; | |
145 char *p; | |
146 | |
147 for (p = hex, i = 0; i < 15; i++, p+=3) | |
148 g_sprintf(p, "%02X:", fpr[i]); | |
149 g_sprintf(p, "%02X", fpr[i]); | |
150 hex[48] = '\0'; | |
151 } | |
152 | |
153 gboolean hex_to_fingerprint(const char *hex, char fpr[16]) | |
154 { | |
155 int i; | |
156 char *p; | |
157 | |
158 if (strlen(hex) != 47) | |
159 return FALSE; | |
160 for (i = 0, p = (char*)hex; *p && *(p+1); i++, p += 3) | |
161 fpr[i] = (char) g_ascii_strtoull (p, NULL, 16); | |
162 return TRUE; | |
163 } | |
164 | |
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165 static gboolean tracelog_create(void) |
24 | 166 { |
77 | 167 FILE *fp; |
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168 struct stat buf; |
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169 int err; |
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170 char *v; |
77 | 171 |
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172 fp = fopen(FName, "a"); |
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173 if (!fp) { |
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174 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s!", |
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175 strerror(errno)); |
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176 return FALSE; |
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177 } |
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178 |
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179 err = fstat(fileno(fp), &buf); |
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180 if (err || buf.st_uid != geteuid()) { |
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181 fclose(fp); |
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182 if (err) |
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183 scr_LogPrint(LPRINT_NORMAL, "ERROR: cannot stat the tracelog file: %s!", |
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184 strerror(errno)); |
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185 else |
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186 scr_LogPrint(LPRINT_NORMAL, "ERROR: tracelog file does not belong to you!"); |
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187 return FALSE; |
428
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188 } |
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189 fchmod(fileno(fp), S_IRUSR|S_IWUSR); |
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190 |
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191 v = mcabber_version(); |
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192 fprintf(fp, "New trace log started. MCabber version %s\n" |
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193 "----------------------\n", v); |
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194 g_free(v); |
24 | 195 fclose(fp); |
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196 return TRUE; |
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197 } |
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198 |
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199 static gchar *tracelog_level_guard(const gchar *key, const gchar *new_value) |
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200 { |
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201 int new_level = 0; |
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202 if (new_value) |
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203 new_level = atoi(new_value); |
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204 if (DebugEnabled < 1 && new_level > 0 && FName && !tracelog_create()) |
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205 DebugEnabled = 0; |
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206 else |
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207 DebugEnabled = new_level; |
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208 return g_strdup(new_value); |
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209 } |
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210 |
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211 static gchar *tracelog_file_guard(const gchar *key, const gchar *new_value) |
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212 { |
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213 gchar *new_fname = NULL; |
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214 |
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215 if (new_value) |
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216 new_fname = expand_filename(new_value); |
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217 |
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218 if (g_strcmp0(FName, new_fname)) { |
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219 g_free(FName); |
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220 FName = new_fname; |
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221 if (DebugEnabled > 0 && !tracelog_create()) { |
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222 g_free(FName); |
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223 FName = NULL; |
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224 } |
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225 } else |
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226 g_free(new_fname); |
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227 |
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228 return g_strdup(new_value); |
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229 } |
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230 |
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231 // ut_init_debug() |
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232 // Installs otpion guards before initial config file parsing. |
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233 void ut_init_debug(void) |
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234 { |
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235 DebugEnabled = 0; |
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236 FName = NULL; |
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237 settings_set_guard("tracelog_level", tracelog_level_guard); |
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238 settings_set_guard("tracelog_file", tracelog_file_guard); |
24 | 239 } |
240 | |
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241 void ut_write_log(unsigned int flag, const char *data) |
24 | 242 { |
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243 if (!DebugEnabled || !FName) return; |
393 | 244 |
1617 | 245 if (((DebugEnabled >= 2) && (flag & (LPRINT_LOG|LPRINT_DEBUG))) || |
374
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246 ((DebugEnabled == 1) && (flag & LPRINT_LOG))) { |
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247 FILE *fp = fopen(FName, "a+"); |
378
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248 if (!fp) { |
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249 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s.", |
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250 strerror(errno)); |
378
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251 return; |
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252 } |
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253 if (fputs(data, fp) == EOF) |
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254 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot write to tracelog file."); |
24 | 255 fclose(fp); |
256 } | |
257 } | |
258 | |
362
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259 // checkset_perm(name, setmode) |
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260 // Check the permissions of the "name" file/dir |
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261 // If setmode is true, correct the permissions if they are wrong |
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262 // Return values: -1 == bad file/dir, 0 == success, 1 == cannot correct |
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263 int checkset_perm(const char *name, unsigned int setmode) |
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264 { |
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265 int fd; |
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266 struct stat buf; |
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267 |
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268 #ifdef __CYGWIN__ |
1460 | 269 // Permission checking isn't efficient on Cygwin |
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270 return 0; |
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271 #endif |
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272 |
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273 fd = stat(name, &buf); |
362
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274 if (fd == -1) return -1; |
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275 |
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276 if (buf.st_uid != geteuid()) { |
374
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277 scr_LogPrint(LPRINT_LOGNORM, "Wrong file owner [%s]", name); |
362
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278 return 1; |
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279 } |
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280 |
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281 if (buf.st_mode & (S_IRGRP | S_IWGRP | S_IXGRP) || |
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282 buf.st_mode & (S_IROTH | S_IWOTH | S_IXOTH)) { |
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283 if (setmode) { |
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284 mode_t newmode = 0; |
374
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285 scr_LogPrint(LPRINT_LOGNORM, "Bad permissions [%s]", name); |
362
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286 if (S_ISDIR(buf.st_mode)) |
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287 newmode |= S_IXUSR; |
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288 newmode |= S_IRUSR | S_IWUSR; |
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289 if (chmod(name, newmode)) { |
374
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290 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Failed to correct permissions!"); |
362
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291 return 1; |
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292 } |
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293 scr_LogPrint(LPRINT_LOGNORM, "Permissions have been corrected"); |
362
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294 } else { |
374
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295 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Bad permissions [%s]", name); |
362
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296 return 1; |
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297 } |
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298 } |
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299 |
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300 return 0; |
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301 } |
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302 |
524
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303 const char *ut_get_tmpdir(void) |
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304 { |
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305 static const char *tmpdir; |
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306 const char *tmpvars[] = { "MCABBERTMPDIR", "TMP", "TMPDIR", "TEMP" }; |
735 | 307 unsigned int i; |
524
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308 |
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309 if (tmpdir) |
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310 return tmpdir; |
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311 |
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312 for (i = 0; i < (sizeof(tmpvars) / sizeof(const char *)); i++) { |
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313 tmpdir = getenv(tmpvars[i]); |
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314 if (tmpdir && tmpdir[0] && tmpdir[0] == '/' && tmpdir[1]) { |
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315 // Looks ok. |
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316 return tmpdir; |
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317 } |
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318 } |
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319 |
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320 // Default temporary directory |
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321 tmpdir = "/tmp"; |
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322 return tmpdir; |
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323 } |
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324 |
241 | 325 // to_iso8601(dststr, timestamp) |
326 // Convert timestamp to iso8601 format, and store it in dststr. | |
327 // NOTE: dststr should be at last 19 chars long. | |
328 // Return should be 0 | |
329 int to_iso8601(char *dststr, time_t timestamp) | |
330 { | |
331 struct tm *tm_time; | |
332 int ret; | |
333 | |
334 tm_time = gmtime(×tamp); | |
335 | |
336 ret = snprintf(dststr, 19, "%.4d%02d%02dT%02d:%02d:%02dZ", | |
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337 (int)(1900+tm_time->tm_year), tm_time->tm_mon+1, tm_time->tm_mday, |
241 | 338 tm_time->tm_hour, tm_time->tm_min, tm_time->tm_sec); |
339 | |
340 return ((ret == -1) ? -1 : 0); | |
341 } | |
342 | |
343 // from_iso8601(timestamp, utc) | |
1361 | 344 // This function came from the Pidgin project, gaim_str_to_time(). |
241 | 345 // (Actually date may not be pure iso-8601) |
346 // Thanks, guys! | |
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347 // ** Modified by somian 10 Apr 2006 with advice from ysth. |
241 | 348 time_t from_iso8601(const char *timestamp, int utc) |
349 { | |
350 struct tm t; | |
351 time_t retval = 0; | |
352 char buf[32]; | |
353 char *c; | |
354 int tzoff = 0; | |
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355 int hms_succ = 0; |
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356 int tmpyear; |
241 | 357 |
358 time(&retval); | |
359 localtime_r(&retval, &t); | |
360 | |
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361 /* Reset time to midnight (00:00:00) */ |
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362 t.tm_hour = t.tm_min = t.tm_sec = 0; |
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363 |
241 | 364 snprintf(buf, sizeof(buf), "%s", timestamp); |
365 c = buf; | |
366 | |
367 /* 4 digit year */ | |
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368 if (!sscanf(c, "%04d", &tmpyear)) return 0; |
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369 t.tm_year = tmpyear; |
241 | 370 c+=4; |
371 if (*c == '-') | |
372 c++; | |
373 | |
374 t.tm_year -= 1900; | |
375 | |
376 /* 2 digit month */ | |
377 if (!sscanf(c, "%02d", &t.tm_mon)) return 0; | |
378 c+=2; | |
379 if (*c == '-') | |
380 c++; | |
381 | |
382 t.tm_mon -= 1; | |
383 | |
384 /* 2 digit day */ | |
385 if (!sscanf(c, "%02d", &t.tm_mday)) return 0; | |
386 c+=2; | |
387 if (*c == 'T' || *c == '.') { /* we have more than a date, keep going */ | |
388 c++; /* skip the "T" */ | |
389 | |
390 /* 2 digit hour */ | |
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391 if (sscanf(c, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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392 { |
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393 hms_succ = 1; |
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394 c += 8; |
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395 } |
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396 else if (sscanf(c, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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397 { |
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398 hms_succ = 1; |
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399 c += 6; |
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400 } |
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401 |
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402 if (hms_succ) { |
241 | 403 int tzhrs, tzmins; |
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404 |
241 | 405 if (*c == '.') /* dealing with precision we don't care about */ |
406 c += 4; | |
407 | |
408 if ((*c == '+' || *c == '-') && | |
409 sscanf(c+1, "%02d:%02d", &tzhrs, &tzmins)) { | |
410 tzoff = tzhrs*60*60 + tzmins*60; | |
411 if (*c == '+') | |
412 tzoff *= -1; | |
413 } | |
414 | |
415 if (tzoff || utc) { | |
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416 #ifdef HAVE_TM_GMTOFF |
241 | 417 tzoff += t.tm_gmtoff; |
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418 #else |
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419 # ifdef HAVE_TIMEZONE |
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420 tzset(); /* making sure */ |
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421 tzoff -= timezone; |
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422 # endif |
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423 #endif |
241 | 424 } |
425 } | |
426 } | |
427 | |
428 t.tm_isdst = -1; | |
429 | |
430 retval = mktime(&t); | |
431 | |
432 retval += tzoff; | |
433 | |
434 return retval; | |
435 } | |
419 | 436 |
452 | 437 /** |
438 * Derived from libjabber/jid.c, because the libjabber version is not | |
439 * really convenient for our usage. | |
440 * | |
441 * Check if the full JID is valid | |
442 * Return 0 if it is valid, non zero otherwise | |
443 */ | |
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444 int check_jid_syntax(const char *fjid) |
452 | 445 { |
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446 const char *str; |
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447 const char *domain, *resource; |
452 | 448 int domlen; |
1639 | 449 #ifdef HAVE_LIBIDN |
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450 char *idnpp; |
1639 | 451 int r; |
452 #endif | |
452 | 453 |
1058 | 454 if (!fjid) return 1; |
452 | 455 |
1058 | 456 domain = strchr(fjid, JID_DOMAIN_SEPARATOR); |
452 | 457 |
456
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458 /* the username is optional */ |
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459 if (!domain) { |
1058 | 460 domain = fjid; |
456
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461 } else { |
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462 /* node identifiers may not be longer than 1023 bytes */ |
1058 | 463 if ((domain == fjid) || (domain-fjid > 1023)) |
456
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464 return 1; |
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465 domain++; |
452 | 466 |
1639 | 467 #ifdef HAVE_LIBIDN |
468 idnpp = idnprep; | |
469 str = fjid; | |
470 while (*str != JID_DOMAIN_SEPARATOR) | |
471 *idnpp++ = *str++; | |
472 *idnpp = 0; | |
473 | |
474 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_nodeprep); | |
475 if (r != STRINGPREP_OK || !idnprep[0]) | |
476 return 1; | |
477 /* the username looks okay */ | |
478 #else | |
456
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479 /* check for low and invalid ascii characters in the username */ |
1058 | 480 for (str = fjid; *str != JID_DOMAIN_SEPARATOR; str++) { |
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481 if (*str <= ' ' || *str == ':' || *str == JID_DOMAIN_SEPARATOR || |
456
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482 *str == '<' || *str == '>' || *str == '\'' || |
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483 *str == '"' || *str == '&') { |
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484 return 1; |
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485 } |
452 | 486 } |
456
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487 /* the username is okay as far as we can tell without LIBIDN */ |
1639 | 488 #endif |
452 | 489 } |
490 | |
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491 resource = strchr(domain, JID_RESOURCE_SEPARATOR); |
452 | 492 |
493 /* the resource is optional */ | |
494 if (resource) { | |
495 domlen = resource - domain; | |
496 resource++; | |
497 /* resources may not be longer than 1023 bytes */ | |
498 if ((*resource == '\0') || strlen(resource) > 1023) | |
499 return 1; | |
1639 | 500 #ifdef HAVE_LIBIDN |
501 strncpy(idnprep, resource, sizeof(idnprep)); | |
502 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_resourceprep); | |
503 if (r != STRINGPREP_OK || !idnprep[0]) | |
504 return 1; | |
505 #endif | |
452 | 506 } else { |
507 domlen = strlen(domain); | |
508 } | |
509 | |
510 /* there must be a domain identifier */ | |
511 if (domlen == 0) return 1; | |
512 | |
513 /* and it must not be longer than 1023 bytes */ | |
514 if (domlen > 1023) return 1; | |
515 | |
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516 /* /.+/ is not a valid domain name pattern */ |
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517 for (str = domain; *str && *str != JID_RESOURCE_SEPARATOR; str++) |
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518 if (*str != '.') break; |
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519 if (!*str || *str == JID_RESOURCE_SEPARATOR) |
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520 return 1; /* domain contains only dots */ |
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521 |
1639 | 522 #ifdef HAVE_LIBIDN |
523 idnpp = idnprep; | |
524 str = domain; | |
525 while (*str != '\0' && *str != JID_RESOURCE_SEPARATOR) | |
526 *idnpp++ = *str++; | |
527 *idnpp = 0; | |
528 | |
529 r = stringprep_nameprep(idnprep, 1023); | |
530 if (r != STRINGPREP_OK || !idnprep[0]) | |
531 return 1; | |
532 | |
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533 if (idna_to_ascii_8z(idnprep, &idnpp, IDNA_USE_STD3_ASCII_RULES) != |
1639 | 534 IDNA_SUCCESS) |
535 return 1; | |
536 else | |
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537 free(idnpp); |
1639 | 538 #else |
452 | 539 /* make sure the hostname is valid characters */ |
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540 for (str = domain; *str != '\0' && *str != JID_RESOURCE_SEPARATOR; str++) { |
452 | 541 if (!(isalnum(*str) || *str == '.' || *str == '-' || *str == '_')) |
542 return 1; | |
543 } | |
1639 | 544 #endif |
452 | 545 |
1639 | 546 /* it's okay as far as we can tell */ |
452 | 547 return 0; |
548 } | |
549 | |
551
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550 |
1106 | 551 inline void mc_strtolower(char *str) |
452 | 552 { |
553 if (!str) return; | |
554 for ( ; *str; str++) | |
555 *str = tolower(*str); | |
556 } | |
551
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557 |
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558 // strip_arg_special_chars(string) |
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559 // Remove quotes and backslashes before an escaped quote |
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560 // Only quotes need a backslash |
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561 // Ex.: ["a b"] -> [a b]; [a\"b] -> [a"b] |
554
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562 void strip_arg_special_chars(char *s) |
551
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563 { |
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564 int instring = FALSE; |
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565 int escape = FALSE; |
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566 char *p; |
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567 |
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568 if (!s) return; |
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569 |
551
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570 for (p = s; *p; p++) { |
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571 if (*p == '"') { |
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572 if (!escape) { |
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573 instring = !instring; |
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574 strcpy(p, p+1); |
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575 p--; |
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576 } else |
551
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577 escape = FALSE; |
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578 } else if (*p == '\\') { |
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579 if (!escape) { |
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580 strcpy(p, p+1); |
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581 p--; |
551
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582 } |
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583 escape = !escape; |
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584 } else |
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585 escape = FALSE; |
551
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586 } |
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587 } |
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588 |
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589 // split_arg(arg, n, preservelast) |
551
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590 // Split the string arg into a maximum of n pieces, taking care of |
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591 // double quotes. |
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592 // Return a null-terminated array of strings. This array should be freed |
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593 // by the caller after use, for example with free_arg_lst(). |
559
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594 // If dontstriplast is true, the Nth argument isn't stripped (i.e. no |
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595 // processing of quote chars) |
554
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596 char **split_arg(const char *arg, unsigned int n, int dontstriplast) |
551
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597 { |
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598 char **arglst; |
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599 const char *p, *start, *end; |
735 | 600 unsigned int i = 0; |
551
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601 int instring = FALSE; |
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602 int escape = FALSE; |
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parents:
524
diff
changeset
|
603 |
c71699efa5cc
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parents:
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diff
changeset
|
604 arglst = g_new0(char*, n+1); |
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parents:
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diff
changeset
|
605 |
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parents:
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diff
changeset
|
606 if (!arg || !n) return arglst; |
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diff
changeset
|
607 |
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parents:
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diff
changeset
|
608 // Skip leading space |
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
609 for (start = arg; *start && *start == ' '; start++) ; |
c71699efa5cc
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parents:
524
diff
changeset
|
610 // End of string pointer |
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parents:
524
diff
changeset
|
611 for (end = start; *end; end++) ; |
c71699efa5cc
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parents:
524
diff
changeset
|
612 // Skip trailing space |
c71699efa5cc
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parents:
524
diff
changeset
|
613 while (end > start+1 && *(end-1) == ' ') |
c71699efa5cc
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parents:
524
diff
changeset
|
614 end--; |
c71699efa5cc
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parents:
524
diff
changeset
|
615 |
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parents:
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diff
changeset
|
616 for (p = start; p < end; p++) { |
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parents:
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diff
changeset
|
617 if (*p == '"' && !escape) |
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parents:
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diff
changeset
|
618 instring = !instring; |
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parents:
524
diff
changeset
|
619 if (*p == '\\' && !escape) |
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parents:
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diff
changeset
|
620 escape = TRUE; |
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parents:
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diff
changeset
|
621 else if (escape) |
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parents:
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diff
changeset
|
622 escape = FALSE; |
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parents:
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diff
changeset
|
623 if (*p == ' ' && !instring && i+1 < n) { |
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diff
changeset
|
624 // end of parameter |
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diff
changeset
|
625 *(arglst+i) = g_strndup(start, p-start); |
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parents:
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diff
changeset
|
626 strip_arg_special_chars(*(arglst+i)); |
556 | 627 for (start = p+1; *start && *start == ' '; start++) ; |
1367 | 628 p = start-1; |
551
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diff
changeset
|
629 i++; |
c71699efa5cc
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diff
changeset
|
630 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
631 } |
c71699efa5cc
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parents:
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diff
changeset
|
632 |
c71699efa5cc
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diff
changeset
|
633 if (start < end) { |
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diff
changeset
|
634 *(arglst+i) = g_strndup(start, end-start); |
559
4eb579399613
Fix a small bug in split_arg()
Mikael Berthe <mikael@lilotux.net>
parents:
556
diff
changeset
|
635 if (!dontstriplast || i+1 < n) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
636 strip_arg_special_chars(*(arglst+i)); |
551
c71699efa5cc
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parents:
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diff
changeset
|
637 } |
c71699efa5cc
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parents:
524
diff
changeset
|
638 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
639 return arglst; |
c71699efa5cc
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parents:
524
diff
changeset
|
640 } |
c71699efa5cc
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parents:
524
diff
changeset
|
641 |
c71699efa5cc
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diff
changeset
|
642 // free_arg_lst(arglst) |
c71699efa5cc
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diff
changeset
|
643 // Free an array allocated by split_arg() |
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parents:
524
diff
changeset
|
644 void free_arg_lst(char **arglst) |
c71699efa5cc
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parents:
524
diff
changeset
|
645 { |
c71699efa5cc
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parents:
524
diff
changeset
|
646 char **arg_elt; |
c71699efa5cc
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parents:
524
diff
changeset
|
647 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
648 for (arg_elt = arglst; *arg_elt; arg_elt++) |
c71699efa5cc
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parents:
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diff
changeset
|
649 g_free(*arg_elt); |
c71699efa5cc
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diff
changeset
|
650 g_free(arglst); |
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parents:
524
diff
changeset
|
651 } |
576 | 652 |
655
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
653 // replace_nl_with_dots(bufstr) |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
654 // Replace '\n' with "(...)" (or with a NUL if the string is too short) |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
655 void replace_nl_with_dots(char *bufstr) |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
656 { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
657 char *p = strchr(bufstr, '\n'); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
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parents:
580
diff
changeset
|
658 if (p) { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
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parents:
580
diff
changeset
|
659 if (strlen(p) >= 5) |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
660 strcpy(p, "(...)"); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
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parents:
580
diff
changeset
|
661 else |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
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parents:
580
diff
changeset
|
662 *p = 0; |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
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parents:
580
diff
changeset
|
663 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
664 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
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parents:
580
diff
changeset
|
665 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
666 // ut_expand_tabs(text) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
667 // Expand tabs and filter out some bad chars in string text. |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
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parents:
1106
diff
changeset
|
668 // If there is no tab and no bad chars in the string, a pointer to text |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
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parents:
1106
diff
changeset
|
669 // is returned (be careful _not_ to free the pointer in this case). |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
670 // If there are some tabs or bad chars, a new string with expanded chars |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
671 // and no bad chars is returned; this is up to the caller to free this |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
672 // string after use. |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
673 char *ut_expand_tabs(const char *text) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
674 { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
675 char *xtext, *linestart; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
676 char *p, *q; |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
677 guint n = 0, bc = 0; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
678 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
679 xtext = (char*)text; |
1c3620668857
Expand tabs when reading history files
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parents:
699
diff
changeset
|
680 for (p=xtext; *p; p++) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
681 if (*p == '\t') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
682 n++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
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parents:
1106
diff
changeset
|
683 else if (*p == '\x0d') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
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parents:
1106
diff
changeset
|
684 bc++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
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parents:
1106
diff
changeset
|
685 // XXX Are there other special chars we should filter out? |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
686 |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
687 if (!n && !bc) |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
688 return (char*)text; |
1c3620668857
Expand tabs when reading history files
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parents:
699
diff
changeset
|
689 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
690 xtext = g_new(char, strlen(text) + 1 + 8*n); |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
691 p = (char*)text; |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
692 q = linestart = xtext; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
693 do { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
694 if (*p == '\t') { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
695 do { *q++ = ' '; } while ((q-linestart)%8); |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
696 } else if (*p != '\x0d') { |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
697 *q++ = *p; |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
698 if (*p =='\n') |
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
699 linestart = q; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
700 } |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
701 } while (*p++); |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
702 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
703 return xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
704 } |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
705 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
706 |
803
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
707 /* Cygwin's newlib does not have strcasestr() */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
708 /* The author of the code before the endif is |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
709 * Jeffrey Stedfast <fejj@ximian.com> |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
710 * and this code is reusable in compliance with the GPL v2. -- somian */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
711 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
712 #if !defined(HAVE_STRCASESTR) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
713 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
714 # define lowercase(c) (isupper ((int) (c)) ? tolower ((int) (c)) : (int) (c)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
715 # define bm_index(c, icase) ((icase) ? lowercase (c) : (int) (c)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
716 # define bm_equal(c1, c2, icase) ((icase) ? lowercase (c1) == lowercase (c2) : (c1) == (c2)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
717 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
718 /* FIXME: this is just a guess... should really do some performace tests to get an accurate measure */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
719 # define bm_optimal(hlen, nlen) (((hlen) ? (hlen) > 20 : 1) && (nlen) > 10 ? 1 : 0) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
720 |
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Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
721 static unsigned char * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
722 __boyer_moore (const unsigned char *haystack, size_t haystacklen, |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
723 const unsigned char *needle, size_t needlelen, int icase) |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
724 { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
725 register unsigned char *hc_ptr, *nc_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
726 unsigned char *he_ptr, *ne_ptr, *h_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
727 size_t skiptable[256], n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
728 register int i; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
729 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
730 #ifdef BOYER_MOORE_CHECKS |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
731 /* we don't need to do these checks since memmem/strstr/etc do it already */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
732 /* if the haystack is shorter than the needle then we can't possibly match */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
733 if (haystacklen < needlelen) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
734 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
735 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
736 /* instant match if the pattern buffer is 0-length */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
737 if (needlelen == 0) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
738 return (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
739 #endif /* BOYER_MOORE_CHECKS */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
740 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
741 /* set a pointer at the end of each string */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
742 ne_ptr = (unsigned char *) needle + needlelen - 1; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
743 he_ptr = (unsigned char *) haystack + haystacklen - 1; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
744 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
745 /* create our skip table */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
746 for (i = 0; i < 256; i++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
747 skiptable[i] = needlelen; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
748 for (nc_ptr = (unsigned char *) needle; nc_ptr < ne_ptr; nc_ptr++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
749 skiptable[bm_index (*nc_ptr, icase)] = (size_t) (ne_ptr - nc_ptr); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
750 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
751 h_ptr = (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
752 while (haystacklen >= needlelen) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
753 hc_ptr = h_ptr + needlelen - 1; /* set the haystack compare pointer */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
754 nc_ptr = ne_ptr; /* set the needle compare pointer */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
755 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
756 /* work our way backwards till they don't match */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
757 for (i = 0; nc_ptr > (unsigned char *) needle; nc_ptr--, hc_ptr--, i++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
758 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
759 break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
760 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
761 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
762 n = skiptable[bm_index (*hc_ptr, icase)]; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
763 if (n == needlelen && i) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
764 if (bm_equal (*ne_ptr, ((unsigned char *) needle)[0], icase)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
765 n--; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
766 h_ptr += n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
767 haystacklen -= n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
768 } else |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
769 return (unsigned char *) h_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
770 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
771 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
772 return NULL; |
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Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
773 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
774 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
775 /* |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
776 * strcasestr: |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
777 * @haystack: string to search |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
778 * @needle: substring to search for |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
779 * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
780 * Finds the first occurence of the substring @needle within the |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
781 * string @haystack ignoring case. |
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Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
782 * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
783 * Returns a pointer to the beginning of the substring match within |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
784 * @haystack, or NULL if the substring is not found. |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
785 **/ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
786 char * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
787 strcasestr (const char *haystack, const char *needle) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
788 { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
789 register unsigned char *h, *n, *hc, *nc; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
790 size_t needlelen; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
791 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
792 needlelen = strlen (needle); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
793 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
794 if (needlelen == 0) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
795 return (char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
796 } else if (bm_optimal (0, needlelen)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
797 return (char *) __boyer_moore ((const unsigned char *) haystack, |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
798 strlen (haystack), |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
799 (const unsigned char *) needle, |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
800 needlelen, 1); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
801 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
802 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
803 h = (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
804 n = (unsigned char *) needle; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
805 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
806 while (*(h + needlelen - 1)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
807 if (lowercase (*h) == lowercase (*n)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
808 for (hc = h + 1, nc = n + 1; *hc && *nc; hc++, nc++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
809 if (lowercase (*hc) != lowercase (*nc)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
810 break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
811 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
812 if (!*nc) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
813 return (char *) h; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
814 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
815 h++; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
816 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
817 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
818 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
819 #endif /* !HAVE_STRCASESTR */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
820 |
1203 | 821 // startswith(str, word, ignore_case) |
1192 | 822 // Returns TRUE if string str starts with word. |
1203 | 823 int startswith(const char *str, const char *word, guint ignore_case) |
1192 | 824 { |
1203 | 825 if (ignore_case && !strncasecmp(str, word, strlen(word))) |
826 return TRUE; | |
827 else if (!ignore_case && !strncmp(str, word, strlen(word))) | |
1192 | 828 return TRUE; |
829 return FALSE; | |
830 } | |
831 | |
1811 | 832 /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */ |