Mercurial > ~mikael > mcabber > hg
annotate mcabber/mcabber/utils.c @ 2135:361603828d9e
Set the trace log file permissions again when we write to it
If the log file is recreated (e.g. log rotation) the new file will have
correct permissions.
| author | Mikael Berthe <mikael@lilotux.net> |
|---|---|
| date | Sun, 06 Jul 2014 10:20:30 +0200 |
| parents | fc7a758ebbde |
| children | 87244845fd9c |
| rev | line source |
|---|---|
| 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 |
| 1598 | 158 void fingerprint_to_hex(const unsigned char *fpr, char hex[49]) |
| 159 { | |
| 160 int i; | |
| 161 char *p; | |
| 162 | |
| 163 for (p = hex, i = 0; i < 15; i++, p+=3) | |
| 164 g_sprintf(p, "%02X:", fpr[i]); | |
| 165 g_sprintf(p, "%02X", fpr[i]); | |
| 166 hex[48] = '\0'; | |
| 167 } | |
| 168 | |
| 169 gboolean hex_to_fingerprint(const char *hex, char fpr[16]) | |
| 170 { | |
| 171 int i; | |
| 172 char *p; | |
| 173 | |
| 174 if (strlen(hex) != 47) | |
| 175 return FALSE; | |
| 176 for (i = 0, p = (char*)hex; *p && *(p+1); i++, p += 3) | |
| 177 fpr[i] = (char) g_ascii_strtoull (p, NULL, 16); | |
| 178 return TRUE; | |
| 179 } | |
| 180 | |
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181 static gboolean tracelog_create(void) |
| 24 | 182 { |
| 77 | 183 FILE *fp; |
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184 struct stat buf; |
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185 int err; |
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186 char *v; |
| 77 | 187 |
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188 fp = fopen(FName, "a"); |
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189 if (!fp) { |
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190 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s", |
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191 strerror(errno)); |
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192 return FALSE; |
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193 } |
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194 |
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195 err = fstat(fileno(fp), &buf); |
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196 if (err || buf.st_uid != geteuid()) { |
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197 fclose(fp); |
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198 if (err) |
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199 scr_LogPrint(LPRINT_NORMAL, "ERROR: cannot stat the tracelog file: %s", |
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200 strerror(errno)); |
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201 else |
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202 scr_LogPrint(LPRINT_NORMAL, "ERROR: tracelog file does not belong to you!"); |
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203 return FALSE; |
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204 } |
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205 |
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206 if (fchmod(fileno(fp), S_IRUSR|S_IWUSR)) { |
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207 scr_LogPrint(LPRINT_NORMAL, "WARNING: Cannot set tracelog file permissions: %s", |
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208 strerror(errno)); |
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209 } |
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210 |
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211 v = mcabber_version(); |
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212 fprintf(fp, "New trace log started. MCabber version %s\n" |
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213 "----------------------\n", v); |
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214 g_free(v); |
| 24 | 215 fclose(fp); |
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216 return TRUE; |
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217 } |
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218 |
| 2111 | 219 // The caller must free the string after use. |
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220 static gchar *tracelog_level_guard(const gchar *key, const gchar *new_value) |
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221 { |
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222 int new_level = 0; |
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223 if (new_value) |
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224 new_level = atoi(new_value); |
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225 if (DebugEnabled < 1 && new_level > 0 && FName && !tracelog_create()) |
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226 DebugEnabled = 0; |
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227 else |
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228 DebugEnabled = new_level; |
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229 return g_strdup(new_value); |
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230 } |
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231 |
| 2111 | 232 // The caller must free the string after use. |
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233 static gchar *tracelog_file_guard(const gchar *key, const gchar *new_value) |
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234 { |
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235 gchar *new_fname = NULL; |
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236 |
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237 if (new_value) |
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238 new_fname = expand_filename(new_value); |
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239 |
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240 if (g_strcmp0(FName, new_fname)) { |
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241 g_free(FName); |
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242 FName = new_fname; |
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243 if (DebugEnabled > 0 && !tracelog_create()) { |
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244 g_free(FName); |
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245 FName = NULL; |
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246 } |
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247 } else |
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248 g_free(new_fname); |
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249 |
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250 return g_strdup(new_value); |
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251 } |
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252 |
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253 // ut_init_debug() |
| 2111 | 254 // Install option guards before initial config file parsing. |
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255 void ut_init_debug(void) |
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256 { |
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257 DebugEnabled = 0; |
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258 FName = NULL; |
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259 settings_set_guard("tracelog_level", tracelog_level_guard); |
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260 settings_set_guard("tracelog_file", tracelog_file_guard); |
| 24 | 261 } |
| 262 | |
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263 void ut_write_log(unsigned int flag, const char *data) |
| 24 | 264 { |
|
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265 if (!DebugEnabled || !FName) return; |
| 393 | 266 |
| 1617 | 267 if (((DebugEnabled >= 2) && (flag & (LPRINT_LOG|LPRINT_DEBUG))) || |
|
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268 ((DebugEnabled == 1) && (flag & LPRINT_LOG))) { |
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269 FILE *fp = fopen(FName, "a+"); |
|
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270 if (!fp) { |
|
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271 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s.", |
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272 strerror(errno)); |
|
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273 return; |
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274 } |
|
2135
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275 |
|
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276 // Check file permissions again (it could be a new file) |
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277 fchmod(fileno(fp), S_IRUSR|S_IWUSR); |
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278 |
|
1531
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279 if (fputs(data, fp) == EOF) |
|
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280 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot write to tracelog file."); |
| 24 | 281 fclose(fp); |
| 282 } | |
| 283 } | |
| 284 | |
|
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285 // checkset_perm(name, setmode) |
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286 // Check the permissions of the "name" file/dir |
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287 // If setmode is true, correct the permissions if they are wrong |
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288 // Return values: -1 == bad file/dir, 0 == success, 1 == cannot correct |
|
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289 int checkset_perm(const char *name, unsigned int setmode) |
|
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290 { |
|
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291 int fd; |
|
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|
292 struct stat buf; |
|
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|
293 |
|
816
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diff
changeset
|
294 #ifdef __CYGWIN__ |
| 1460 | 295 // Permission checking isn't efficient on Cygwin |
|
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|
296 return 0; |
|
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|
297 #endif |
|
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|
298 |
|
1459
d76eff4ed71d
Use stat() to check permissions in checkset_perm() (Dave Holland)
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|
299 fd = stat(name, &buf); |
|
362
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300 if (fd == -1) return -1; |
|
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|
301 |
|
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|
302 if (buf.st_uid != geteuid()) { |
|
374
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|
303 scr_LogPrint(LPRINT_LOGNORM, "Wrong file owner [%s]", name); |
|
362
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|
304 return 1; |
|
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|
305 } |
|
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changeset
|
306 |
|
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307 if (buf.st_mode & (S_IRGRP | S_IWGRP | S_IXGRP) || |
|
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308 buf.st_mode & (S_IROTH | S_IWOTH | S_IXOTH)) { |
|
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|
309 if (setmode) { |
|
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|
310 mode_t newmode = 0; |
|
374
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diff
changeset
|
311 scr_LogPrint(LPRINT_LOGNORM, "Bad permissions [%s]", name); |
|
362
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|
312 if (S_ISDIR(buf.st_mode)) |
|
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|
313 newmode |= S_IXUSR; |
|
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|
314 newmode |= S_IRUSR | S_IWUSR; |
|
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diff
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|
315 if (chmod(name, newmode)) { |
|
374
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|
316 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Failed to correct permissions!"); |
|
362
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|
317 return 1; |
|
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|
318 } |
|
374
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|
319 scr_LogPrint(LPRINT_LOGNORM, "Permissions have been corrected"); |
|
362
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|
320 } else { |
|
374
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|
321 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Bad permissions [%s]", name); |
|
362
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|
322 return 1; |
|
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|
323 } |
|
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|
324 } |
|
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|
325 |
|
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|
326 return 0; |
|
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|
327 } |
|
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diff
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|
328 |
|
524
05c0e55c4bb1
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diff
changeset
|
329 const char *ut_get_tmpdir(void) |
|
05c0e55c4bb1
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diff
changeset
|
330 { |
|
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diff
changeset
|
331 static const char *tmpdir; |
|
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diff
changeset
|
332 const char *tmpvars[] = { "MCABBERTMPDIR", "TMP", "TMPDIR", "TEMP" }; |
| 735 | 333 unsigned int i; |
|
524
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diff
changeset
|
334 |
|
05c0e55c4bb1
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diff
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335 if (tmpdir) |
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336 return tmpdir; |
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337 |
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338 for (i = 0; i < (sizeof(tmpvars) / sizeof(const char *)); i++) { |
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339 tmpdir = getenv(tmpvars[i]); |
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340 if (tmpdir && tmpdir[0] && tmpdir[0] == '/' && tmpdir[1]) { |
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341 // Looks ok. |
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342 return tmpdir; |
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343 } |
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344 } |
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345 |
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346 // Default temporary directory |
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347 tmpdir = "/tmp"; |
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348 return tmpdir; |
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349 } |
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350 |
| 241 | 351 // to_iso8601(dststr, timestamp) |
| 352 // Convert timestamp to iso8601 format, and store it in dststr. | |
| 353 // NOTE: dststr should be at last 19 chars long. | |
| 354 // Return should be 0 | |
| 355 int to_iso8601(char *dststr, time_t timestamp) | |
| 356 { | |
| 357 struct tm *tm_time; | |
| 358 int ret; | |
| 359 | |
| 360 tm_time = gmtime(×tamp); | |
| 361 | |
| 362 ret = snprintf(dststr, 19, "%.4d%02d%02dT%02d:%02d:%02dZ", | |
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363 (int)(1900+tm_time->tm_year), tm_time->tm_mon+1, tm_time->tm_mday, |
| 241 | 364 tm_time->tm_hour, tm_time->tm_min, tm_time->tm_sec); |
| 365 | |
| 366 return ((ret == -1) ? -1 : 0); | |
| 367 } | |
| 368 | |
| 369 // from_iso8601(timestamp, utc) | |
| 1361 | 370 // This function came from the Pidgin project, gaim_str_to_time(). |
| 241 | 371 // (Actually date may not be pure iso-8601) |
| 372 // Thanks, guys! | |
|
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373 // ** Modified by somian 10 Apr 2006 with advice from ysth. |
| 241 | 374 time_t from_iso8601(const char *timestamp, int utc) |
| 375 { | |
| 376 struct tm t; | |
| 377 time_t retval = 0; | |
| 378 char buf[32]; | |
| 379 char *c; | |
| 380 int tzoff = 0; | |
|
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381 int hms_succ = 0; |
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382 int tmpyear; |
| 241 | 383 |
| 384 time(&retval); | |
| 385 localtime_r(&retval, &t); | |
| 386 | |
|
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387 /* Reset time to midnight (00:00:00) */ |
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388 t.tm_hour = t.tm_min = t.tm_sec = 0; |
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389 |
| 241 | 390 snprintf(buf, sizeof(buf), "%s", timestamp); |
| 391 c = buf; | |
| 392 | |
| 393 /* 4 digit year */ | |
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394 if (!sscanf(c, "%04d", &tmpyear)) return 0; |
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395 t.tm_year = tmpyear; |
| 241 | 396 c+=4; |
| 397 if (*c == '-') | |
| 398 c++; | |
| 399 | |
| 400 t.tm_year -= 1900; | |
| 401 | |
| 402 /* 2 digit month */ | |
| 403 if (!sscanf(c, "%02d", &t.tm_mon)) return 0; | |
| 404 c+=2; | |
| 405 if (*c == '-') | |
| 406 c++; | |
| 407 | |
| 408 t.tm_mon -= 1; | |
| 409 | |
| 410 /* 2 digit day */ | |
| 411 if (!sscanf(c, "%02d", &t.tm_mday)) return 0; | |
| 412 c+=2; | |
| 413 if (*c == 'T' || *c == '.') { /* we have more than a date, keep going */ | |
| 414 c++; /* skip the "T" */ | |
| 415 | |
| 416 /* 2 digit hour */ | |
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417 if (sscanf(c, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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418 { |
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419 hms_succ = 1; |
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420 c += 8; |
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421 } |
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422 else if (sscanf(c, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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423 { |
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424 hms_succ = 1; |
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425 c += 6; |
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426 } |
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427 |
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428 if (hms_succ) { |
| 241 | 429 int tzhrs, tzmins; |
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430 |
| 241 | 431 if (*c == '.') /* dealing with precision we don't care about */ |
| 432 c += 4; | |
| 433 | |
| 434 if ((*c == '+' || *c == '-') && | |
| 435 sscanf(c+1, "%02d:%02d", &tzhrs, &tzmins)) { | |
| 436 tzoff = tzhrs*60*60 + tzmins*60; | |
| 437 if (*c == '+') | |
| 438 tzoff *= -1; | |
| 439 } | |
| 440 | |
| 441 if (tzoff || utc) { | |
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442 #ifdef HAVE_TM_GMTOFF |
| 241 | 443 tzoff += t.tm_gmtoff; |
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444 #else |
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445 # ifdef HAVE_TIMEZONE |
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446 tzset(); /* making sure */ |
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447 tzoff -= timezone; |
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448 # endif |
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449 #endif |
| 241 | 450 } |
| 451 } | |
| 452 } | |
| 453 | |
| 454 t.tm_isdst = -1; | |
| 455 | |
| 456 retval = mktime(&t); | |
| 457 | |
| 458 retval += tzoff; | |
| 459 | |
| 460 return retval; | |
| 461 } | |
| 419 | 462 |
| 452 | 463 /** |
| 464 * Derived from libjabber/jid.c, because the libjabber version is not | |
| 465 * really convenient for our usage. | |
| 466 * | |
| 467 * Check if the full JID is valid | |
| 468 * Return 0 if it is valid, non zero otherwise | |
| 469 */ | |
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470 int check_jid_syntax(const char *fjid) |
| 452 | 471 { |
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472 const char *str; |
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473 const char *domain, *resource; |
| 452 | 474 int domlen; |
| 1639 | 475 #ifdef HAVE_LIBIDN |
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476 char *idnpp; |
| 1639 | 477 int r; |
| 478 #endif | |
| 452 | 479 |
| 1058 | 480 if (!fjid) return 1; |
| 452 | 481 |
| 1058 | 482 domain = strchr(fjid, JID_DOMAIN_SEPARATOR); |
| 452 | 483 |
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484 /* the username is optional */ |
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485 if (!domain) { |
| 1058 | 486 domain = fjid; |
|
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487 } else { |
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488 /* node identifiers may not be longer than 1023 bytes */ |
| 1058 | 489 if ((domain == fjid) || (domain-fjid > 1023)) |
|
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490 return 1; |
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491 domain++; |
| 452 | 492 |
| 1639 | 493 #ifdef HAVE_LIBIDN |
| 494 idnpp = idnprep; | |
| 495 str = fjid; | |
| 496 while (*str != JID_DOMAIN_SEPARATOR) | |
| 497 *idnpp++ = *str++; | |
| 498 *idnpp = 0; | |
| 499 | |
| 500 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_nodeprep); | |
| 501 if (r != STRINGPREP_OK || !idnprep[0]) | |
| 502 return 1; | |
| 503 /* the username looks okay */ | |
| 504 #else | |
|
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505 /* check for low and invalid ascii characters in the username */ |
| 1058 | 506 for (str = fjid; *str != JID_DOMAIN_SEPARATOR; str++) { |
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507 if (*str <= ' ' || *str == ':' || *str == JID_DOMAIN_SEPARATOR || |
|
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508 *str == '<' || *str == '>' || *str == '\'' || |
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509 *str == '"' || *str == '&') { |
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510 return 1; |
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511 } |
| 452 | 512 } |
|
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513 /* the username is okay as far as we can tell without LIBIDN */ |
| 1639 | 514 #endif |
| 452 | 515 } |
| 516 | |
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517 resource = strchr(domain, JID_RESOURCE_SEPARATOR); |
| 452 | 518 |
| 519 /* the resource is optional */ | |
| 520 if (resource) { | |
| 521 domlen = resource - domain; | |
| 522 resource++; | |
| 523 /* resources may not be longer than 1023 bytes */ | |
| 524 if ((*resource == '\0') || strlen(resource) > 1023) | |
| 525 return 1; | |
| 1639 | 526 #ifdef HAVE_LIBIDN |
| 527 strncpy(idnprep, resource, sizeof(idnprep)); | |
| 528 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_resourceprep); | |
| 529 if (r != STRINGPREP_OK || !idnprep[0]) | |
| 530 return 1; | |
| 531 #endif | |
| 452 | 532 } else { |
| 533 domlen = strlen(domain); | |
| 534 } | |
| 535 | |
| 536 /* there must be a domain identifier */ | |
| 537 if (domlen == 0) return 1; | |
| 538 | |
| 539 /* and it must not be longer than 1023 bytes */ | |
| 540 if (domlen > 1023) return 1; | |
| 541 | |
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542 /* /.+/ is not a valid domain name pattern */ |
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543 for (str = domain; *str && *str != JID_RESOURCE_SEPARATOR; str++) |
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544 if (*str != '.') break; |
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545 if (!*str || *str == JID_RESOURCE_SEPARATOR) |
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546 return 1; /* domain contains only dots */ |
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547 |
| 1639 | 548 #ifdef HAVE_LIBIDN |
| 549 idnpp = idnprep; | |
| 550 str = domain; | |
| 551 while (*str != '\0' && *str != JID_RESOURCE_SEPARATOR) | |
| 552 *idnpp++ = *str++; | |
| 553 *idnpp = 0; | |
| 554 | |
| 555 r = stringprep_nameprep(idnprep, 1023); | |
| 556 if (r != STRINGPREP_OK || !idnprep[0]) | |
| 557 return 1; | |
| 558 | |
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559 if (idna_to_ascii_8z(idnprep, &idnpp, IDNA_USE_STD3_ASCII_RULES) != |
| 1639 | 560 IDNA_SUCCESS) |
| 561 return 1; | |
| 562 else | |
|
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563 free(idnpp); |
| 1639 | 564 #else |
| 452 | 565 /* make sure the hostname is valid characters */ |
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566 for (str = domain; *str != '\0' && *str != JID_RESOURCE_SEPARATOR; str++) { |
| 452 | 567 if (!(isalnum(*str) || *str == '.' || *str == '-' || *str == '_')) |
| 568 return 1; | |
| 569 } | |
| 1639 | 570 #endif |
| 452 | 571 |
| 1639 | 572 /* it's okay as far as we can tell */ |
| 452 | 573 return 0; |
| 574 } | |
| 575 | |
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576 |
| 1106 | 577 inline void mc_strtolower(char *str) |
| 452 | 578 { |
| 579 if (!str) return; | |
| 580 for ( ; *str; str++) | |
| 581 *str = tolower(*str); | |
| 582 } | |
|
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583 |
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584 // strip_arg_special_chars(string) |
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585 // Remove quotes and backslashes before an escaped quote |
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586 // Only quotes need a backslash |
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587 // Ex.: ["a b"] -> [a b]; [a\"b] -> [a"b] |
|
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|
588 void strip_arg_special_chars(char *s) |
|
551
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diff
changeset
|
589 { |
|
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Add split_arg() / free_arg_lst()
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diff
changeset
|
590 int instring = FALSE; |
|
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Add split_arg() / free_arg_lst()
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diff
changeset
|
591 int escape = FALSE; |
|
2133
69d00a118c0c
Fix ANSI C-incompatible change
Mikael Berthe <mikael@lilotux.net>
parents:
2119
diff
changeset
|
592 char *p, *t; |
|
551
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parents:
524
diff
changeset
|
593 |
|
979
ea939ff047d8
Improve /buffer search_*
Mikael Berthe <mikael@lilotux.net>
parents:
977
diff
changeset
|
594 if (!s) return; |
|
ea939ff047d8
Improve /buffer search_*
Mikael Berthe <mikael@lilotux.net>
parents:
977
diff
changeset
|
595 |
|
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
596 for (p = s; *p; p++) { |
|
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
597 if (*p == '"') { |
|
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
598 if (!escape) { |
|
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
599 instring = !instring; |
|
2119
3b26f3a58cb9
Fix command line issue reported by Minos
Mikael Berthe <mikael@lilotux.net>
parents:
2111
diff
changeset
|
600 //memmove(p, p+1, strlen(p)); |
|
2133
69d00a118c0c
Fix ANSI C-incompatible change
Mikael Berthe <mikael@lilotux.net>
parents:
2119
diff
changeset
|
601 for (t=p; *t; t++) |
|
2119
3b26f3a58cb9
Fix command line issue reported by Minos
Mikael Berthe <mikael@lilotux.net>
parents:
2111
diff
changeset
|
602 *t = *(t+1); |
|
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
603 p--; |
|
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
604 } else |
|
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
605 escape = FALSE; |
|
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
606 } else if (*p == '\\') { |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
607 if (!escape) { |
|
2119
3b26f3a58cb9
Fix command line issue reported by Minos
Mikael Berthe <mikael@lilotux.net>
parents:
2111
diff
changeset
|
608 //memmove(p, p+1, strlen(p)); |
|
2133
69d00a118c0c
Fix ANSI C-incompatible change
Mikael Berthe <mikael@lilotux.net>
parents:
2119
diff
changeset
|
609 for (t=p; *t; t++) |
|
2119
3b26f3a58cb9
Fix command line issue reported by Minos
Mikael Berthe <mikael@lilotux.net>
parents:
2111
diff
changeset
|
610 *t = *(t+1); |
|
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
611 p--; |
|
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
612 } |
|
1452
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
613 escape = !escape; |
|
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
614 } else |
|
83e275dca409
Fix escaping bug in strip_arg_special_chars()
Mikael Berthe <mikael@lilotux.net>
parents:
1440
diff
changeset
|
615 escape = FALSE; |
|
551
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
616 } |
|
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Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
617 } |
|
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
618 |
|
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
619 // split_arg(arg, n, preservelast) |
|
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
620 // 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
|
621 // double quotes. |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
622 // 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
|
623 // 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
|
624 // 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
|
625 // processing of quote chars) |
|
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
626 char **split_arg(const char *arg, unsigned int n, int dontstriplast) |
|
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
627 { |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
628 char **arglst; |
|
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Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
629 const char *p, *start, *end; |
| 735 | 630 unsigned int i = 0; |
|
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
631 int instring = FALSE; |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
632 int escape = FALSE; |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
633 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
634 arglst = g_new0(char*, n+1); |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
635 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
636 if (!arg || !n) return arglst; |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
637 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
638 // Skip leading space |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
639 for (start = arg; *start && *start == ' '; start++) ; |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
640 // End of string pointer |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
641 for (end = start; *end; end++) ; |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
642 // Skip trailing space |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
643 while (end > start+1 && *(end-1) == ' ') |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
644 end--; |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
645 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
646 for (p = start; p < end; p++) { |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
647 if (*p == '"' && !escape) |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
648 instring = !instring; |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
649 if (*p == '\\' && !escape) |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
650 escape = TRUE; |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
651 else if (escape) |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
652 escape = FALSE; |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
653 if (*p == ' ' && !instring && i+1 < n) { |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
654 // end of parameter |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
655 *(arglst+i) = g_strndup(start, p-start); |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
656 strip_arg_special_chars(*(arglst+i)); |
| 556 | 657 for (start = p+1; *start && *start == ' '; start++) ; |
| 1367 | 658 p = start-1; |
|
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
659 i++; |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
660 } |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
661 } |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
662 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
663 if (start < end) { |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
664 *(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
|
665 if (!dontstriplast || i+1 < n) |
|
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
666 strip_arg_special_chars(*(arglst+i)); |
|
551
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
667 } |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
668 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
669 return arglst; |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
670 } |
|
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 // free_arg_lst(arglst) |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
673 // Free an array allocated by split_arg() |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
674 void free_arg_lst(char **arglst) |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
675 { |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
676 char **arg_elt; |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
677 |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
678 for (arg_elt = arglst; *arg_elt; arg_elt++) |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
679 g_free(*arg_elt); |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
680 g_free(arglst); |
|
c71699efa5cc
Add split_arg() / free_arg_lst()
Mikael Berthe <mikael@lilotux.net>
parents:
524
diff
changeset
|
681 } |
| 576 | 682 |
|
655
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
683 // 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
|
684 // 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
|
685 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
|
686 { |
|
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
687 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
|
688 if (p) { |
|
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
689 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
|
690 strcpy(p, "(...)"); |
|
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
691 else |
|
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
692 *p = 0; |
|
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
693 } |
|
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
694 } |
|
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
695 |
|
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
696 // ut_expand_tabs(text) |
|
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
697 // 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
|
698 // 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
|
699 // 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
|
700 // 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
|
701 // 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
|
702 // string after use. |
|
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
703 char *ut_expand_tabs(const char *text) |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
704 { |
|
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
705 char *xtext, *linestart; |
|
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
706 char *p, *q; |
|
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
707 guint n = 0, bc = 0; |
|
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
708 |
|
2049
0ba755e5dc48
ut_expand_tabs: Check the argument is not null
Mikael Berthe <mikael@lilotux.net>
parents:
1910
diff
changeset
|
709 if (!text) |
|
0ba755e5dc48
ut_expand_tabs: Check the argument is not null
Mikael Berthe <mikael@lilotux.net>
parents:
1910
diff
changeset
|
710 return NULL; |
|
0ba755e5dc48
ut_expand_tabs: Check the argument is not null
Mikael Berthe <mikael@lilotux.net>
parents:
1910
diff
changeset
|
711 |
|
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
712 xtext = (char*)text; |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
713 for (p=xtext; *p; p++) |
|
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
714 if (*p == '\t') |
|
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
715 n++; |
|
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
716 else if (*p == '\x0d') |
|
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
717 bc++; |
|
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
718 // 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
|
719 |
|
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
720 if (!n && !bc) |
|
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
721 return (char*)text; |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
722 |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
723 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
|
724 p = (char*)text; |
|
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
725 q = linestart = xtext; |
|
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
726 do { |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
727 if (*p == '\t') { |
|
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
728 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
|
729 } else if (*p != '\x0d') { |
|
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
730 *q++ = *p; |
|
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
731 if (*p =='\n') |
|
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
732 linestart = q; |
|
727
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 } while (*p++); |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
735 |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
736 return xtext; |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
737 } |
|
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
738 |
|
2050
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
739 // ut_unescape_tabs_cr(text) |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
740 // 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
|
741 // 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
|
742 // (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
|
743 // 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
|
744 // 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
|
745 // 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
|
746 char *ut_unescape_tabs_cr(const char *text) |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
747 { |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
748 char *xtext, *linestart; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
749 char *p, *q; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
750 |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
751 if (!text) |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
752 return NULL; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
753 |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
754 p = g_strstr_len(text, -1, "\\n"); |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
755 if (!p) { |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
756 p = g_strstr_len(text, -1, "\\t"); |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
757 if (!p) |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
758 return (char*)text; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
759 } |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
760 |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
761 xtext = g_new(char, strlen(text) + 1); |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
762 p = (char*)text; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
763 q = linestart = xtext; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
764 do { |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
765 if (*p == '\\') { |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
766 if (*(p+1) == '\\' && (*(p+2) == 'n' || *(p+2) == 't')) { |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
767 // This is an escaped CR sequence |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
768 *q++ = '\\'; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
769 *q++ = 'n'; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
770 p += 2; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
771 continue; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
772 } |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
773 if (*(p+1) == 'n' || *(p+1) == 't') { |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
774 // This is a CR sequence |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
775 p++; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
776 *q++ = (*p == 'n' ? '\n' : '\t'); |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
777 continue; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
778 } |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
779 } |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
780 *q++ = *p; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
781 } while (*p++); |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
782 |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
783 return xtext; |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
784 } |
|
998feaa54ef0
Add ut_unescape_tabs_cr()
Mikael Berthe <mikael@lilotux.net>
parents:
2049
diff
changeset
|
785 |
|
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
786 |
|
803
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
787 /* Cygwin's newlib does not have strcasestr() */ |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
788 /* 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
|
789 * Jeffrey Stedfast <fejj@ximian.com> |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
790 * 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
|
791 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
792 #if !defined(HAVE_STRCASESTR) |
|
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)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
794 # 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
|
795 # 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
|
796 # 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
|
797 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
798 /* 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
|
799 # 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
|
800 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
801 static unsigned char * |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
802 __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
|
803 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
|
804 { |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
805 register unsigned char *hc_ptr, *nc_ptr; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
806 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
|
807 size_t skiptable[256], n; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
808 register int i; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
809 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
810 #ifdef BOYER_MOORE_CHECKS |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
811 /* 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
|
812 /* 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
|
813 if (haystacklen < needlelen) |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
814 return NULL; |
|
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 /* 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
|
817 if (needlelen == 0) |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
818 return (unsigned char *) haystack; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
819 #endif /* BOYER_MOORE_CHECKS */ |
|
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 /* 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
|
822 ne_ptr = (unsigned char *) needle + needlelen - 1; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
823 he_ptr = (unsigned char *) haystack + haystacklen - 1; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
824 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
825 /* create our skip table */ |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
826 for (i = 0; i < 256; i++) |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
827 skiptable[i] = needlelen; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
828 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
|
829 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
|
830 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
831 h_ptr = (unsigned char *) haystack; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
832 while (haystacklen >= needlelen) { |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
833 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
|
834 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
|
835 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
836 /* 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
|
837 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
|
838 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
|
839 break; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
840 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
841 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
|
842 n = skiptable[bm_index (*hc_ptr, icase)]; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
843 if (n == needlelen && i) |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
844 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
|
845 n--; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
846 h_ptr += n; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
847 haystacklen -= n; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
848 } else |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
849 return (unsigned char *) h_ptr; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
850 } |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
851 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
852 return NULL; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
853 } |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
854 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
855 /* |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
856 * strcasestr: |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
857 * @haystack: string to search |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
858 * @needle: substring to search for |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
859 * |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
860 * 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
|
861 * string @haystack ignoring case. |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
862 * |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
863 * 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
|
864 * @haystack, or NULL if the substring is not found. |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
865 **/ |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
866 char * |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
867 strcasestr (const char *haystack, const char *needle) |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
868 { |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
869 register unsigned char *h, *n, *hc, *nc; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
870 size_t needlelen; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
871 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
872 needlelen = strlen (needle); |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
873 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
874 if (needlelen == 0) { |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
875 return (char *) haystack; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
876 } else if (bm_optimal (0, needlelen)) { |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
877 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
|
878 strlen (haystack), |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
879 (const unsigned char *) needle, |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
880 needlelen, 1); |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
881 } |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
882 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
883 h = (unsigned char *) haystack; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
884 n = (unsigned char *) needle; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
885 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
886 while (*(h + needlelen - 1)) { |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
887 if (lowercase (*h) == lowercase (*n)) { |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
888 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
|
889 if (lowercase (*hc) != lowercase (*nc)) |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
890 break; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
891 |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
892 if (!*nc) |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
893 return (char *) h; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
894 } |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
895 h++; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
896 } |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
897 return NULL; |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
898 } |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
899 #endif /* !HAVE_STRCASESTR */ |
|
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
900 |
| 1203 | 901 // startswith(str, word, ignore_case) |
| 1192 | 902 // Returns TRUE if string str starts with word. |
| 1203 | 903 int startswith(const char *str, const char *word, guint ignore_case) |
| 1192 | 904 { |
| 1203 | 905 if (ignore_case && !strncasecmp(str, word, strlen(word))) |
| 906 return TRUE; | |
| 907 else if (!ignore_case && !strncmp(str, word, strlen(word))) | |
| 1192 | 908 return TRUE; |
| 909 return FALSE; | |
| 910 } | |
| 911 | |
| 1811 | 912 /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */ |