Mercurial > ~mikael > mcabber > hg
annotate mcabber/mcabber/utils.c @ 2198:1591518a33b9
Minor change of the prototype for fingerprint_to_hex()
author | Mikael Berthe <mikael@lilotux.net> |
---|---|
date | Sun, 11 Oct 2015 17:19:15 +0200 |
parents | 189abf03ef24 |
children | 170597f5365b |
rev | line source |
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241 | 1 /* |
2 * utils.c -- Various utility functions | |
393 | 3 * |
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4 * Copyright (C) 2005-2014 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 | |
2111 | 82 // The caller must free the string after use. |
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83 char *jid_get_username(const char *fjid) |
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84 { |
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85 char *ptr; |
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86 char *username; |
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87 |
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88 username = g_strdup(fjid); |
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89 if ((ptr = strchr(username, JID_DOMAIN_SEPARATOR)) != NULL) { |
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90 *ptr = 0; |
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91 } |
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92 return username; |
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93 } |
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94 |
2111 | 95 // The caller must free the string after use. |
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96 char *get_servername(const char *username, const char *servername) |
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97 { |
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98 char *ptr; |
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99 char *server; |
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100 |
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101 if ((ptr = strchr(username, JID_DOMAIN_SEPARATOR)) != NULL) { |
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102 server = g_strdup(ptr+1); |
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103 return server; |
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104 } |
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105 |
2111 | 106 return g_strdup(servername); |
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107 } |
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108 |
2111 | 109 // The caller must free the string after use. |
1598 | 110 char *compose_jid(const char *username, const char *servername, |
111 const char *resource) | |
112 { | |
113 char *fjid; | |
114 | |
115 if (!strchr(username, JID_DOMAIN_SEPARATOR)) { | |
116 fjid = g_strdup_printf("%s%c%s%c%s", username, | |
117 JID_DOMAIN_SEPARATOR, servername, | |
118 JID_RESOURCE_SEPARATOR, resource); | |
119 } else { | |
120 fjid = g_strdup_printf("%s%c%s", username, | |
121 JID_RESOURCE_SEPARATOR, resource); | |
122 } | |
123 return fjid; | |
124 } | |
125 | |
126 gboolean jid_equal(const char *jid1, const char *jid2) | |
127 { | |
128 char *a,*b; | |
129 int ret; | |
130 if (!jid1 && !jid2) | |
131 return TRUE; | |
132 if (!jid1 || !jid2) | |
133 return FALSE; | |
134 | |
135 a = jidtodisp(jid1); | |
136 b = jidtodisp(jid2); | |
137 ret = strcasecmp(a, b); | |
138 g_free(a); | |
139 g_free(b); | |
140 return (ret == 0) ? TRUE : FALSE; | |
141 } | |
142 | |
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143 // expand_filename(filename) |
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144 // Expand "~/" with the $HOME env. variable in a file name. |
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145 // The caller must free the string after use. |
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146 char *expand_filename(const char *fname) |
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147 { |
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148 if (!fname) |
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149 return NULL; |
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150 if (!strncmp(fname, "~/", 2)) { |
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151 char *homedir = getenv("HOME"); |
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152 if (homedir) |
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153 return g_strdup_printf("%s%s", homedir, fname+1); |
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154 } |
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155 return g_strdup(fname); |
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156 } |
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157 |
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158 void fingerprint_to_hex(const char *fprstr, char hex[48]) |
1598 | 159 { |
160 int i; | |
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161 const unsigned char *fpr = (const unsigned char *)fprstr; |
1598 | 162 char *p; |
163 | |
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164 hex[0] = 0; |
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165 if (!fpr) return; |
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166 |
1598 | 167 for (p = hex, i = 0; i < 15; i++, p+=3) |
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168 g_snprintf(p, 4, "%02X:", fpr[i]); |
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169 g_snprintf(p, 3, "%02X", fpr[i]); |
1598 | 170 } |
171 | |
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172 gboolean hex_to_fingerprint(const char *hex, char fpr[17]) |
1598 | 173 { |
174 int i; | |
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175 const char *p; |
1598 | 176 |
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177 fpr[0] = 0; |
1598 | 178 if (strlen(hex) != 47) |
179 return FALSE; | |
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180 for (i = 0, p = hex; *p && *(p+1); i++, p += 3) { |
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181 if (*(p+2) && (*(p+2) != ':')) { |
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182 fpr[i] = 0; |
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183 return FALSE; |
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184 } |
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185 fpr[i] = (char)g_ascii_strtoull(p, NULL, 16); |
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186 } |
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187 fpr[i] = 0; |
1598 | 188 return TRUE; |
189 } | |
190 | |
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191 static gboolean tracelog_create(void) |
24 | 192 { |
77 | 193 FILE *fp; |
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194 struct stat buf; |
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195 int err; |
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196 char *v; |
77 | 197 |
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198 fp = fopen(FName, "a"); |
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199 if (!fp) { |
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200 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s", |
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201 strerror(errno)); |
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202 return FALSE; |
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203 } |
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204 |
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205 err = fstat(fileno(fp), &buf); |
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206 if (err || buf.st_uid != geteuid()) { |
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207 fclose(fp); |
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208 if (err) |
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209 scr_LogPrint(LPRINT_NORMAL, "ERROR: cannot stat the tracelog file: %s", |
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210 strerror(errno)); |
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211 else |
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212 scr_LogPrint(LPRINT_NORMAL, "ERROR: tracelog file does not belong to you!"); |
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213 return FALSE; |
428
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214 } |
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215 |
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216 if (fchmod(fileno(fp), S_IRUSR|S_IWUSR)) { |
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217 scr_LogPrint(LPRINT_NORMAL, "WARNING: Cannot set tracelog file permissions: %s", |
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218 strerror(errno)); |
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219 } |
428
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220 |
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221 v = mcabber_version(); |
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222 fprintf(fp, "New trace log started. MCabber version %s\n" |
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223 "----------------------\n", v); |
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224 g_free(v); |
24 | 225 fclose(fp); |
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226 return TRUE; |
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227 } |
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228 |
2111 | 229 // The caller must free the string after use. |
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230 static gchar *tracelog_level_guard(const gchar *key, const gchar *new_value) |
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231 { |
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232 int new_level = 0; |
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233 if (new_value) |
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234 new_level = atoi(new_value); |
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235 if (DebugEnabled < 1 && new_level > 0 && FName && !tracelog_create()) |
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236 DebugEnabled = 0; |
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237 else |
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238 DebugEnabled = new_level; |
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239 return g_strdup(new_value); |
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240 } |
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241 |
2111 | 242 // The caller must free the string after use. |
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243 static gchar *tracelog_file_guard(const gchar *key, const gchar *new_value) |
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244 { |
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245 gchar *new_fname = NULL; |
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246 |
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247 if (new_value) |
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248 new_fname = expand_filename(new_value); |
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249 |
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250 if (g_strcmp0(FName, new_fname)) { |
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251 g_free(FName); |
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252 FName = new_fname; |
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253 if (DebugEnabled > 0 && !tracelog_create()) { |
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254 g_free(FName); |
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255 FName = NULL; |
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256 } |
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257 } else |
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258 g_free(new_fname); |
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259 |
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260 return g_strdup(new_value); |
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261 } |
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262 |
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263 // ut_init_debug() |
2111 | 264 // Install option guards before initial config file parsing. |
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265 void ut_init_debug(void) |
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266 { |
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267 DebugEnabled = 0; |
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268 FName = NULL; |
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269 settings_set_guard("tracelog_level", tracelog_level_guard); |
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270 settings_set_guard("tracelog_file", tracelog_file_guard); |
24 | 271 } |
272 | |
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273 void ut_write_log(unsigned int flag, const char *data) |
24 | 274 { |
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275 if (!DebugEnabled || !FName) return; |
393 | 276 |
1617 | 277 if (((DebugEnabled >= 2) && (flag & (LPRINT_LOG|LPRINT_DEBUG))) || |
374
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278 ((DebugEnabled == 1) && (flag & LPRINT_LOG))) { |
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|
279 FILE *fp = fopen(FName, "a+"); |
378
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|
280 if (!fp) { |
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|
281 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s.", |
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|
282 strerror(errno)); |
378
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|
283 return; |
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284 } |
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|
285 |
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|
286 // Check file permissions again (it could be a new file) |
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|
287 fchmod(fileno(fp), S_IRUSR|S_IWUSR); |
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|
288 |
1531
9f92c0edde1c
Display a warning when writing to the tracelog file fails
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|
289 if (fputs(data, fp) == EOF) |
1674
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|
290 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot write to tracelog file."); |
24 | 291 fclose(fp); |
292 } | |
293 } | |
294 | |
362
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|
295 // checkset_perm(name, setmode) |
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296 // Check the permissions of the "name" file/dir |
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297 // If setmode is true, correct the permissions if they are wrong |
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298 // Return values: -1 == bad file/dir, 0 == success, 1 == cannot correct |
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diff
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|
299 int checkset_perm(const char *name, unsigned int setmode) |
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diff
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|
300 { |
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diff
changeset
|
301 int fd; |
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diff
changeset
|
302 struct stat buf; |
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diff
changeset
|
303 |
816
a6628f0aabc1
Skip file permission checks on Cygwin
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parents:
803
diff
changeset
|
304 #ifdef __CYGWIN__ |
1460 | 305 // Permission checking isn't efficient on Cygwin |
816
a6628f0aabc1
Skip file permission checks on Cygwin
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diff
changeset
|
306 return 0; |
a6628f0aabc1
Skip file permission checks on Cygwin
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parents:
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diff
changeset
|
307 #endif |
a6628f0aabc1
Skip file permission checks on Cygwin
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parents:
803
diff
changeset
|
308 |
1459
d76eff4ed71d
Use stat() to check permissions in checkset_perm() (Dave Holland)
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parents:
1458
diff
changeset
|
309 fd = stat(name, &buf); |
362
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Check directory and config file permissions
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diff
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|
310 if (fd == -1) return -1; |
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diff
changeset
|
311 |
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diff
changeset
|
312 if (buf.st_uid != geteuid()) { |
374
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diff
changeset
|
313 scr_LogPrint(LPRINT_LOGNORM, "Wrong file owner [%s]", name); |
362
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diff
changeset
|
314 return 1; |
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Check directory and config file permissions
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diff
changeset
|
315 } |
d8f147d6e872
Check directory and config file permissions
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diff
changeset
|
316 |
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diff
changeset
|
317 if (buf.st_mode & (S_IRGRP | S_IWGRP | S_IXGRP) || |
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diff
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|
318 buf.st_mode & (S_IROTH | S_IWOTH | S_IXOTH)) { |
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281
diff
changeset
|
319 if (setmode) { |
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281
diff
changeset
|
320 mode_t newmode = 0; |
374
bd5638c21834
Improve logging system (traces)
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364
diff
changeset
|
321 scr_LogPrint(LPRINT_LOGNORM, "Bad permissions [%s]", name); |
362
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diff
changeset
|
322 if (S_ISDIR(buf.st_mode)) |
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281
diff
changeset
|
323 newmode |= S_IXUSR; |
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281
diff
changeset
|
324 newmode |= S_IRUSR | S_IWUSR; |
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diff
changeset
|
325 if (chmod(name, newmode)) { |
374
bd5638c21834
Improve logging system (traces)
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364
diff
changeset
|
326 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Failed to correct permissions!"); |
362
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diff
changeset
|
327 return 1; |
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diff
changeset
|
328 } |
374
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diff
changeset
|
329 scr_LogPrint(LPRINT_LOGNORM, "Permissions have been corrected"); |
362
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281
diff
changeset
|
330 } else { |
374
bd5638c21834
Improve logging system (traces)
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diff
changeset
|
331 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Bad permissions [%s]", name); |
362
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diff
changeset
|
332 return 1; |
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diff
changeset
|
333 } |
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diff
changeset
|
334 } |
d8f147d6e872
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diff
changeset
|
335 |
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diff
changeset
|
336 return 0; |
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diff
changeset
|
337 } |
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diff
changeset
|
338 |
524
05c0e55c4bb1
Pass message body to external command
Mikael Berthe <mikael@lilotux.net>
parents:
463
diff
changeset
|
339 const char *ut_get_tmpdir(void) |
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340 { |
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341 static const char *tmpdir; |
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342 const char *tmpvars[] = { "MCABBERTMPDIR", "TMP", "TMPDIR", "TEMP" }; |
735 | 343 unsigned int i; |
524
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344 |
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345 if (tmpdir) |
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346 return tmpdir; |
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347 |
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348 for (i = 0; i < (sizeof(tmpvars) / sizeof(const char *)); i++) { |
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349 tmpdir = getenv(tmpvars[i]); |
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350 if (tmpdir && tmpdir[0] && tmpdir[0] == '/' && tmpdir[1]) { |
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351 // Looks ok. |
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352 return tmpdir; |
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353 } |
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354 } |
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355 |
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356 // Default temporary directory |
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357 tmpdir = "/tmp"; |
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358 return tmpdir; |
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359 } |
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360 |
241 | 361 // to_iso8601(dststr, timestamp) |
362 // Convert timestamp to iso8601 format, and store it in dststr. | |
363 // NOTE: dststr should be at last 19 chars long. | |
364 // Return should be 0 | |
365 int to_iso8601(char *dststr, time_t timestamp) | |
366 { | |
367 struct tm *tm_time; | |
368 int ret; | |
369 | |
370 tm_time = gmtime(×tamp); | |
371 | |
372 ret = snprintf(dststr, 19, "%.4d%02d%02dT%02d:%02d:%02dZ", | |
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373 (int)(1900+tm_time->tm_year), tm_time->tm_mon+1, tm_time->tm_mday, |
241 | 374 tm_time->tm_hour, tm_time->tm_min, tm_time->tm_sec); |
375 | |
376 return ((ret == -1) ? -1 : 0); | |
377 } | |
378 | |
379 // from_iso8601(timestamp, utc) | |
1361 | 380 // This function came from the Pidgin project, gaim_str_to_time(). |
241 | 381 // (Actually date may not be pure iso-8601) |
382 // Thanks, guys! | |
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383 // ** Modified by somian 10 Apr 2006 with advice from ysth. |
241 | 384 time_t from_iso8601(const char *timestamp, int utc) |
385 { | |
386 struct tm t; | |
387 time_t retval = 0; | |
388 char buf[32]; | |
389 char *c; | |
390 int tzoff = 0; | |
802
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391 int hms_succ = 0; |
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392 int tmpyear; |
241 | 393 |
394 time(&retval); | |
395 localtime_r(&retval, &t); | |
396 | |
463
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397 /* Reset time to midnight (00:00:00) */ |
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398 t.tm_hour = t.tm_min = t.tm_sec = 0; |
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399 |
241 | 400 snprintf(buf, sizeof(buf), "%s", timestamp); |
401 c = buf; | |
402 | |
403 /* 4 digit year */ | |
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404 if (!sscanf(c, "%04d", &tmpyear)) return 0; |
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405 t.tm_year = tmpyear; |
241 | 406 c+=4; |
407 if (*c == '-') | |
408 c++; | |
409 | |
410 t.tm_year -= 1900; | |
411 | |
412 /* 2 digit month */ | |
413 if (!sscanf(c, "%02d", &t.tm_mon)) return 0; | |
414 c+=2; | |
415 if (*c == '-') | |
416 c++; | |
417 | |
418 t.tm_mon -= 1; | |
419 | |
420 /* 2 digit day */ | |
421 if (!sscanf(c, "%02d", &t.tm_mday)) return 0; | |
422 c+=2; | |
423 if (*c == 'T' || *c == '.') { /* we have more than a date, keep going */ | |
424 c++; /* skip the "T" */ | |
425 | |
426 /* 2 digit hour */ | |
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427 if (sscanf(c, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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428 { |
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429 hms_succ = 1; |
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430 c += 8; |
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431 } |
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432 else if (sscanf(c, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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433 { |
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434 hms_succ = 1; |
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435 c += 6; |
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436 } |
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437 |
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438 if (hms_succ) { |
241 | 439 int tzhrs, tzmins; |
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440 |
241 | 441 if (*c == '.') /* dealing with precision we don't care about */ |
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442 while (isdigit(*++c)) |
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443 ; |
241 | 444 |
445 if ((*c == '+' || *c == '-') && | |
446 sscanf(c+1, "%02d:%02d", &tzhrs, &tzmins)) { | |
447 tzoff = tzhrs*60*60 + tzmins*60; | |
448 if (*c == '+') | |
449 tzoff *= -1; | |
450 } | |
451 | |
452 if (tzoff || utc) { | |
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453 #ifdef HAVE_TM_GMTOFF |
241 | 454 tzoff += t.tm_gmtoff; |
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455 #else |
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456 # ifdef HAVE_TIMEZONE |
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457 tzset(); /* making sure */ |
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458 tzoff -= timezone; |
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459 # endif |
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460 #endif |
241 | 461 } |
462 } | |
463 } | |
464 | |
465 t.tm_isdst = -1; | |
466 | |
467 retval = mktime(&t); | |
468 | |
469 retval += tzoff; | |
470 | |
471 return retval; | |
472 } | |
419 | 473 |
452 | 474 /** |
475 * Derived from libjabber/jid.c, because the libjabber version is not | |
476 * really convenient for our usage. | |
477 * | |
478 * Check if the full JID is valid | |
479 * Return 0 if it is valid, non zero otherwise | |
480 */ | |
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481 int check_jid_syntax(const char *fjid) |
452 | 482 { |
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483 const char *str; |
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484 const char *domain, *resource; |
452 | 485 int domlen; |
1639 | 486 #ifdef HAVE_LIBIDN |
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487 char *idnpp; |
1639 | 488 int r; |
489 #endif | |
452 | 490 |
1058 | 491 if (!fjid) return 1; |
452 | 492 |
1058 | 493 domain = strchr(fjid, JID_DOMAIN_SEPARATOR); |
452 | 494 |
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495 /* the username is optional */ |
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496 if (!domain) { |
1058 | 497 domain = fjid; |
456
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498 } else { |
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499 /* node identifiers may not be longer than 1023 bytes */ |
1058 | 500 if ((domain == fjid) || (domain-fjid > 1023)) |
456
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501 return 1; |
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502 domain++; |
452 | 503 |
1639 | 504 #ifdef HAVE_LIBIDN |
505 idnpp = idnprep; | |
506 str = fjid; | |
507 while (*str != JID_DOMAIN_SEPARATOR) | |
508 *idnpp++ = *str++; | |
509 *idnpp = 0; | |
510 | |
511 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_nodeprep); | |
512 if (r != STRINGPREP_OK || !idnprep[0]) | |
513 return 1; | |
514 /* the username looks okay */ | |
515 #else | |
456
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516 /* check for low and invalid ascii characters in the username */ |
1058 | 517 for (str = fjid; *str != JID_DOMAIN_SEPARATOR; str++) { |
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518 if (*str <= ' ' || *str == ':' || *str == JID_DOMAIN_SEPARATOR || |
456
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519 *str == '<' || *str == '>' || *str == '\'' || |
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520 *str == '"' || *str == '&') { |
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521 return 1; |
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522 } |
452 | 523 } |
456
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524 /* the username is okay as far as we can tell without LIBIDN */ |
1639 | 525 #endif |
452 | 526 } |
527 | |
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528 resource = strchr(domain, JID_RESOURCE_SEPARATOR); |
452 | 529 |
530 /* the resource is optional */ | |
531 if (resource) { | |
532 domlen = resource - domain; | |
533 resource++; | |
534 /* resources may not be longer than 1023 bytes */ | |
535 if ((*resource == '\0') || strlen(resource) > 1023) | |
536 return 1; | |
1639 | 537 #ifdef HAVE_LIBIDN |
538 strncpy(idnprep, resource, sizeof(idnprep)); | |
539 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_resourceprep); | |
540 if (r != STRINGPREP_OK || !idnprep[0]) | |
541 return 1; | |
542 #endif | |
452 | 543 } else { |
544 domlen = strlen(domain); | |
545 } | |
546 | |
547 /* there must be a domain identifier */ | |
548 if (domlen == 0) return 1; | |
549 | |
550 /* and it must not be longer than 1023 bytes */ | |
551 if (domlen > 1023) return 1; | |
552 | |
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553 /* /.+/ is not a valid domain name pattern */ |
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554 for (str = domain; *str && *str != JID_RESOURCE_SEPARATOR; str++) |
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555 if (*str != '.') break; |
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556 if (!*str || *str == JID_RESOURCE_SEPARATOR) |
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557 return 1; /* domain contains only dots */ |
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558 |
1639 | 559 #ifdef HAVE_LIBIDN |
560 idnpp = idnprep; | |
561 str = domain; | |
562 while (*str != '\0' && *str != JID_RESOURCE_SEPARATOR) | |
563 *idnpp++ = *str++; | |
564 *idnpp = 0; | |
565 | |
566 r = stringprep_nameprep(idnprep, 1023); | |
567 if (r != STRINGPREP_OK || !idnprep[0]) | |
568 return 1; | |
569 | |
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570 if (idna_to_ascii_8z(idnprep, &idnpp, IDNA_USE_STD3_ASCII_RULES) != |
1639 | 571 IDNA_SUCCESS) |
572 return 1; | |
573 else | |
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574 free(idnpp); |
1639 | 575 #else |
452 | 576 /* make sure the hostname is valid characters */ |
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577 for (str = domain; *str != '\0' && *str != JID_RESOURCE_SEPARATOR; str++) { |
452 | 578 if (!(isalnum(*str) || *str == '.' || *str == '-' || *str == '_')) |
579 return 1; | |
580 } | |
1639 | 581 #endif |
452 | 582 |
1639 | 583 /* it's okay as far as we can tell */ |
452 | 584 return 0; |
585 } | |
586 | |
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587 |
1106 | 588 inline void mc_strtolower(char *str) |
452 | 589 { |
590 if (!str) return; | |
591 for ( ; *str; str++) | |
592 *str = tolower(*str); | |
593 } | |
551
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594 |
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595 // strip_arg_special_chars(string) |
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596 // Remove quotes and backslashes before an escaped quote |
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597 // Only quotes need a backslash |
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598 // Ex.: ["a b"] -> [a b]; [a\"b] -> [a"b] |
554
2424bbf0a6db
Some more work on do_room()
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parents:
553
diff
changeset
|
599 void strip_arg_special_chars(char *s) |
551
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parents:
524
diff
changeset
|
600 { |
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diff
changeset
|
601 int instring = FALSE; |
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parents:
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diff
changeset
|
602 int escape = FALSE; |
2133
69d00a118c0c
Fix ANSI C-incompatible change
Mikael Berthe <mikael@lilotux.net>
parents:
2119
diff
changeset
|
603 char *p, *t; |
551
c71699efa5cc
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parents:
524
diff
changeset
|
604 |
979
ea939ff047d8
Improve /buffer search_*
Mikael Berthe <mikael@lilotux.net>
parents:
977
diff
changeset
|
605 if (!s) return; |
ea939ff047d8
Improve /buffer search_*
Mikael Berthe <mikael@lilotux.net>
parents:
977
diff
changeset
|
606 |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
607 for (p = s; *p; p++) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
608 if (*p == '"') { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
609 if (!escape) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
610 instring = !instring; |
2119
3b26f3a58cb9
Fix command line issue reported by Minos
Mikael Berthe <mikael@lilotux.net>
parents:
2111
diff
changeset
|
611 //memmove(p, p+1, strlen(p)); |
2133
69d00a118c0c
Fix ANSI C-incompatible change
Mikael Berthe <mikael@lilotux.net>
parents:
2119
diff
changeset
|
612 for (t=p; *t; t++) |
2119
3b26f3a58cb9
Fix command line issue reported by Minos
Mikael Berthe <mikael@lilotux.net>
parents:
2111
diff
changeset
|
613 *t = *(t+1); |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
614 p--; |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
615 } else |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
616 escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
617 } else if (*p == '\\') { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
618 if (!escape) { |
2119
3b26f3a58cb9
Fix command line issue reported by Minos
Mikael Berthe <mikael@lilotux.net>
parents:
2111
diff
changeset
|
619 //memmove(p, p+1, strlen(p)); |
2133
69d00a118c0c
Fix ANSI C-incompatible change
Mikael Berthe <mikael@lilotux.net>
parents:
2119
diff
changeset
|
620 for (t=p; *t; t++) |
2119
3b26f3a58cb9
Fix command line issue reported by Minos
Mikael Berthe <mikael@lilotux.net>
parents:
2111
diff
changeset
|
621 *t = *(t+1); |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
622 p--; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
623 } |
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
624 escape = !escape; |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
625 } else |
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
626 escape = FALSE; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
627 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
628 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
629 |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
630 // split_arg(arg, n, preservelast) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
631 // Split the string arg into a maximum of n pieces, taking care of |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
632 // double quotes. |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
633 // Return a null-terminated array of strings. This array should be freed |
1167
9726c78a91f3
Allow '~' (HOME directory) in config options
Mikael Berthe <mikael@lilotux.net>
parents:
1122
diff
changeset
|
634 // by the caller after use, for example with free_arg_lst(). |
559
4eb579399613
Fix a small bug in split_arg()
Mikael Berthe <mikael@lilotux.net>
parents:
556
diff
changeset
|
635 // If dontstriplast is true, the Nth argument isn't stripped (i.e. no |
4eb579399613
Fix a small bug in split_arg()
Mikael Berthe <mikael@lilotux.net>
parents:
556
diff
changeset
|
636 // processing of quote chars) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
637 char **split_arg(const char *arg, unsigned int n, int dontstriplast) |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
638 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
639 char **arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
640 const char *p, *start, *end; |
735 | 641 unsigned int i = 0; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
642 int instring = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
643 int escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
644 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
645 arglst = g_new0(char*, n+1); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
646 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
647 if (!arg || !n) return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
648 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
649 // Skip leading space |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
650 for (start = arg; *start && *start == ' '; start++) ; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
651 // End of string pointer |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
652 for (end = start; *end; end++) ; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
653 // Skip trailing space |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
654 while (end > start+1 && *(end-1) == ' ') |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
655 end--; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
656 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
657 for (p = start; p < end; p++) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
658 if (*p == '"' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
659 instring = !instring; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
660 if (*p == '\\' && !escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
661 escape = TRUE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
662 else if (escape) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
663 escape = FALSE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
664 if (*p == ' ' && !instring && i+1 < n) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
665 // end of parameter |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
666 *(arglst+i) = g_strndup(start, p-start); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
667 strip_arg_special_chars(*(arglst+i)); |
556 | 668 for (start = p+1; *start && *start == ' '; start++) ; |
1367 | 669 p = start-1; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
670 i++; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
671 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
672 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
673 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
674 if (start < end) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
675 *(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
|
676 if (!dontstriplast || i+1 < n) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
677 strip_arg_special_chars(*(arglst+i)); |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
678 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
679 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
680 return arglst; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
681 } |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
682 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
683 // free_arg_lst(arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
684 // Free an array allocated by split_arg() |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
685 void free_arg_lst(char **arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
686 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
687 char **arg_elt; |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
688 |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
689 for (arg_elt = arglst; *arg_elt; arg_elt++) |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
690 g_free(*arg_elt); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
691 g_free(arglst); |
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
692 } |
576 | 693 |
655
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
694 // 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
|
695 // 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
|
696 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
|
697 { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
698 char *p = strchr(bufstr, '\n'); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
699 if (p) { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
700 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
|
701 strcpy(p, "(...)"); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
702 else |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
703 *p = 0; |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
704 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
705 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
706 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
707 // ut_expand_tabs(text) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
708 // Expand tabs and filter out some bad chars in string text. |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
709 // 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
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
710 // 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
|
711 // 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
|
712 // 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
|
713 // string after use. |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
714 char *ut_expand_tabs(const char *text) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
715 { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
716 char *xtext, *linestart; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
717 char *p, *q; |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
718 guint n = 0, bc = 0; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
719 |
2049
0ba755e5dc48
ut_expand_tabs: Check the argument is not null
Mikael Berthe <mikael@lilotux.net>
parents:
1910
diff
changeset
|
720 if (!text) |
0ba755e5dc48
ut_expand_tabs: Check the argument is not null
Mikael Berthe <mikael@lilotux.net>
parents:
1910
diff
changeset
|
721 return NULL; |
0ba755e5dc48
ut_expand_tabs: Check the argument is not null
Mikael Berthe <mikael@lilotux.net>
parents:
1910
diff
changeset
|
722 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
723 xtext = (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
724 for (p=xtext; *p; p++) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
725 if (*p == '\t') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
726 n++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
727 else if (*p == '\x0d') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
728 bc++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
729 // 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
|
730 |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
731 if (!n && !bc) |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
732 return (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
733 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
734 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
|
735 p = (char*)text; |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
736 q = linestart = xtext; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
737 do { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
738 if (*p == '\t') { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
739 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
|
740 } else if (*p != '\x0d') { |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
741 *q++ = *p; |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
742 if (*p =='\n') |
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
743 linestart = q; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
744 } |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
745 } while (*p++); |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
746 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
747 return xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
748 } |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
749 |
2050
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
750 // ut_unescape_tabs_cr(text) |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
751 // Expand CR or TAB character sequences (\n, \t) in string text. |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
752 // If there is no CR/TAB in text, then the original pointer is returned |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
753 // (be careful _not_ to free the pointer in this case). |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
754 // If there are some unescaped sequences, a new string with those chars |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
755 // replaced with real newline/tab characters is allocated; in this case |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
756 // this is up to the caller to free this string after use. |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
757 char *ut_unescape_tabs_cr(const char *text) |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
758 { |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
759 char *xtext, *linestart; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
760 char *p, *q; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
761 |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
762 if (!text) |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
763 return NULL; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
764 |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
765 p = g_strstr_len(text, -1, "\\n"); |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
766 if (!p) { |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
767 p = g_strstr_len(text, -1, "\\t"); |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
768 if (!p) |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
769 return (char*)text; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
770 } |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
771 |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
772 xtext = g_new(char, strlen(text) + 1); |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
773 p = (char*)text; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
774 q = linestart = xtext; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
775 do { |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
776 if (*p == '\\') { |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
777 if (*(p+1) == '\\' && (*(p+2) == 'n' || *(p+2) == 't')) { |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
778 // This is an escaped CR sequence |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
779 *q++ = '\\'; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
780 *q++ = 'n'; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
781 p += 2; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
782 continue; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
783 } |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
784 if (*(p+1) == 'n' || *(p+1) == 't') { |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
785 // This is a CR sequence |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
786 p++; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
787 *q++ = (*p == 'n' ? '\n' : '\t'); |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
788 continue; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
789 } |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
790 } |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
791 *q++ = *p; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
792 } while (*p++); |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
793 |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
794 return xtext; |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
795 } |
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
796 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
797 |
803
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
798 /* Cygwin's newlib does not have strcasestr() */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
799 /* 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
|
800 * Jeffrey Stedfast <fejj@ximian.com> |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
801 * 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
|
802 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
803 #if !defined(HAVE_STRCASESTR) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
804 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
805 # 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
|
806 # 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
|
807 # 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
|
808 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
809 /* 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
|
810 # 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
|
811 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
812 static unsigned char * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
813 __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
|
814 const unsigned char *needle, size_t needlelen, int icase) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
815 { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
816 register unsigned char *hc_ptr, *nc_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
817 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
|
818 size_t skiptable[256], n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
819 register int i; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
820 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
821 #ifdef BOYER_MOORE_CHECKS |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
822 /* 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
|
823 /* 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
|
824 if (haystacklen < needlelen) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
825 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
826 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
827 /* 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
|
828 if (needlelen == 0) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
829 return (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
830 #endif /* BOYER_MOORE_CHECKS */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
831 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
832 /* set a pointer at the end of each string */ |
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833 ne_ptr = (unsigned char *) needle + needlelen - 1; |
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834 he_ptr = (unsigned char *) haystack + haystacklen - 1; |
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diff
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|
835 |
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diff
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|
836 /* create our skip table */ |
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802
diff
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|
837 for (i = 0; i < 256; i++) |
8f8d8f8157a2
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diff
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|
838 skiptable[i] = needlelen; |
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|
839 for (nc_ptr = (unsigned char *) needle; nc_ptr < ne_ptr; nc_ptr++) |
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840 skiptable[bm_index (*nc_ptr, icase)] = (size_t) (ne_ptr - nc_ptr); |
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diff
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|
841 |
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|
842 h_ptr = (unsigned char *) haystack; |
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parents:
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diff
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843 while (haystacklen >= needlelen) { |
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844 hc_ptr = h_ptr + needlelen - 1; /* set the haystack compare pointer */ |
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diff
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|
845 nc_ptr = ne_ptr; /* set the needle compare pointer */ |
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|
846 |
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parents:
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diff
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|
847 /* work our way backwards till they don't match */ |
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diff
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848 for (i = 0; nc_ptr > (unsigned char *) needle; nc_ptr--, hc_ptr--, i++) |
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849 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) |
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diff
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|
850 break; |
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diff
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|
851 |
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diff
changeset
|
852 if (!bm_equal (*nc_ptr, *hc_ptr, icase)) { |
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parents:
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diff
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|
853 n = skiptable[bm_index (*hc_ptr, icase)]; |
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parents:
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diff
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|
854 if (n == needlelen && i) |
8f8d8f8157a2
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parents:
802
diff
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|
855 if (bm_equal (*ne_ptr, ((unsigned char *) needle)[0], icase)) |
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parents:
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diff
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|
856 n--; |
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Soren Andersen <somian@pobox.com>
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diff
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|
857 h_ptr += n; |
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diff
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858 haystacklen -= n; |
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diff
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|
859 } else |
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diff
changeset
|
860 return (unsigned char *) h_ptr; |
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parents:
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diff
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|
861 } |
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diff
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|
862 |
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diff
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|
863 return NULL; |
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|
864 } |
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|
865 |
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diff
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866 /* |
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867 * strcasestr: |
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diff
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|
868 * @haystack: string to search |
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diff
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|
869 * @needle: substring to search for |
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870 * |
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|
871 * Finds the first occurence of the substring @needle within the |
8f8d8f8157a2
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diff
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|
872 * string @haystack ignoring case. |
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diff
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|
873 * |
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|
874 * Returns a pointer to the beginning of the substring match within |
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diff
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|
875 * @haystack, or NULL if the substring is not found. |
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Soren Andersen <somian@pobox.com>
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diff
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|
876 **/ |
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diff
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|
877 char * |
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parents:
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diff
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|
878 strcasestr (const char *haystack, const char *needle) |
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parents:
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diff
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879 { |
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diff
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|
880 register unsigned char *h, *n, *hc, *nc; |
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diff
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881 size_t needlelen; |
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diff
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|
882 |
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diff
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|
883 needlelen = strlen (needle); |
8f8d8f8157a2
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diff
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|
884 |
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parents:
802
diff
changeset
|
885 if (needlelen == 0) { |
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diff
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|
886 return (char *) haystack; |
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parents:
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diff
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|
887 } else if (bm_optimal (0, needlelen)) { |
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Soren Andersen <somian@pobox.com>
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802
diff
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|
888 return (char *) __boyer_moore ((const unsigned char *) haystack, |
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parents:
802
diff
changeset
|
889 strlen (haystack), |
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parents:
802
diff
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|
890 (const unsigned char *) needle, |
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diff
changeset
|
891 needlelen, 1); |
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parents:
802
diff
changeset
|
892 } |
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diff
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|
893 |
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parents:
802
diff
changeset
|
894 h = (unsigned char *) haystack; |
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parents:
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diff
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|
895 n = (unsigned char *) needle; |
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diff
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|
896 |
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parents:
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diff
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|
897 while (*(h + needlelen - 1)) { |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
898 if (lowercase (*h) == lowercase (*n)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
899 for (hc = h + 1, nc = n + 1; *hc && *nc; hc++, nc++) |
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Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
900 if (lowercase (*hc) != lowercase (*nc)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
901 break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
902 |
8f8d8f8157a2
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parents:
802
diff
changeset
|
903 if (!*nc) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
904 return (char *) h; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
905 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
906 h++; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
907 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
908 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
909 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
910 #endif /* !HAVE_STRCASESTR */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
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parents:
802
diff
changeset
|
911 |
1203 | 912 // startswith(str, word, ignore_case) |
1192 | 913 // Returns TRUE if string str starts with word. |
1203 | 914 int startswith(const char *str, const char *word, guint ignore_case) |
1192 | 915 { |
1203 | 916 if (ignore_case && !strncasecmp(str, word, strlen(word))) |
917 return TRUE; | |
918 else if (!ignore_case && !strncmp(str, word, strlen(word))) | |
1192 | 919 return TRUE; |
920 return FALSE; | |
921 } | |
922 | |
1811 | 923 /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */ |