Mercurial > ~mikael > mcabber > hg
annotate mcabber/mcabber/utils.c @ 1906:5d37cee8c6c6
Add "hook-subscription" hook and hk_subscription()
author | Mikael Berthe <mikael@lilotux.net> |
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date | Sat, 17 Apr 2010 14:03:37 +0200 |
parents | efd7c4c34ff2 |
children | 3695266e16c7 |
rev | line source |
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241 | 1 /* |
2 * utils.c -- Various utility functions | |
393 | 3 * |
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4 * Copyright (C) 2005-2010 Mikael Berthe <mikael@lilotux.net> |
1599 | 5 * Some of the ut_* functions are derived from Cabber debug/log code. |
1361 | 6 * from_iso8601() comes from the Pidgin (libpurple) project. |
241 | 7 * |
8 * This program is free software; you can redistribute it and/or modify | |
9 * it under the terms of the GNU General Public License as published by | |
10 * the Free Software Foundation; either version 2 of the License, or (at | |
11 * your option) any later version. | |
12 * | |
13 * This program is distributed in the hope that it will be useful, but | |
14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 * General Public License for more details. | |
17 * | |
18 * You should have received a copy of the GNU General Public License | |
19 * along with this program; if not, write to the Free Software | |
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
21 * USA | |
22 */ | |
23 | |
1639 | 24 #include <config.h> |
25 | |
24 | 26 #include <stdio.h> |
27 #include <stdlib.h> | |
77 | 28 #include <string.h> |
24 | 29 #include <stdarg.h> |
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30 #include <errno.h> |
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31 |
1639 | 32 #ifdef HAVE_LIBIDN |
33 #include <idna.h> | |
34 #include <stringprep.h> | |
35 static char idnprep[1024]; | |
36 #endif | |
37 | |
38 #include <glib.h> | |
1598 | 39 #include <glib/gprintf.h> |
40 | |
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41 /* For Cygwin (thanks go to Yitzchak Scott-Thoennes) */ |
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42 #ifdef __CYGWIN__ |
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43 # define timezonevar |
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44 extern long timezone; |
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45 #endif |
24 | 46 #include <time.h> |
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47 #include <unistd.h> |
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48 #include <sys/types.h> |
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49 #include <sys/stat.h> |
452 | 50 #include <ctype.h> |
24 | 51 |
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52 #include "utils.h" |
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53 #include "logprint.h" |
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54 #include "settings.h" |
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55 #include "main.h" |
241 | 56 |
76 | 57 static int DebugEnabled; |
77 | 58 static char *FName; |
24 | 59 |
1598 | 60 // jidtodisp(jid) |
61 // Strips the resource part from the jid | |
62 // The caller should g_free the result after use. | |
63 char *jidtodisp(const char *fjid) | |
64 { | |
65 char *ptr; | |
66 char *alias; | |
67 | |
68 alias = g_strdup(fjid); | |
69 | |
70 if ((ptr = strchr(alias, JID_RESOURCE_SEPARATOR)) != NULL) { | |
71 *ptr = 0; | |
72 } | |
73 return alias; | |
74 } | |
75 | |
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76 char *jid_get_username(const char *fjid) |
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77 { |
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78 char *ptr; |
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79 char *username; |
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80 |
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81 username = g_strdup(fjid); |
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82 if ((ptr = strchr(username, JID_DOMAIN_SEPARATOR)) != NULL) { |
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83 *ptr = 0; |
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84 } |
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85 return username; |
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86 } |
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87 |
1598 | 88 char *compose_jid(const char *username, const char *servername, |
89 const char *resource) | |
90 { | |
91 char *fjid; | |
92 | |
93 if (!strchr(username, JID_DOMAIN_SEPARATOR)) { | |
94 fjid = g_strdup_printf("%s%c%s%c%s", username, | |
95 JID_DOMAIN_SEPARATOR, servername, | |
96 JID_RESOURCE_SEPARATOR, resource); | |
97 } else { | |
98 fjid = g_strdup_printf("%s%c%s", username, | |
99 JID_RESOURCE_SEPARATOR, resource); | |
100 } | |
101 return fjid; | |
102 } | |
103 | |
104 gboolean jid_equal(const char *jid1, const char *jid2) | |
105 { | |
106 char *a,*b; | |
107 int ret; | |
108 if (!jid1 && !jid2) | |
109 return TRUE; | |
110 if (!jid1 || !jid2) | |
111 return FALSE; | |
112 | |
113 a = jidtodisp(jid1); | |
114 b = jidtodisp(jid2); | |
115 ret = strcasecmp(a, b); | |
116 g_free(a); | |
117 g_free(b); | |
118 return (ret == 0) ? TRUE : FALSE; | |
119 } | |
120 | |
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121 // expand_filename(filename) |
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122 // Expand "~/" with the $HOME env. variable in a file name. |
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123 // The caller must free the string after use. |
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124 char *expand_filename(const char *fname) |
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125 { |
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126 if (!fname) |
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127 return NULL; |
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128 if (!strncmp(fname, "~/", 2)) { |
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129 char *homedir = getenv("HOME"); |
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130 if (homedir) |
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131 return g_strdup_printf("%s%s", homedir, fname+1); |
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132 } |
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133 return g_strdup(fname); |
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134 } |
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135 |
1598 | 136 void fingerprint_to_hex(const unsigned char *fpr, char hex[49]) |
137 { | |
138 int i; | |
139 char *p; | |
140 | |
141 for (p = hex, i = 0; i < 15; i++, p+=3) | |
142 g_sprintf(p, "%02X:", fpr[i]); | |
143 g_sprintf(p, "%02X", fpr[i]); | |
144 hex[48] = '\0'; | |
145 } | |
146 | |
147 gboolean hex_to_fingerprint(const char *hex, char fpr[16]) | |
148 { | |
149 int i; | |
150 char *p; | |
151 | |
152 if (strlen(hex) != 47) | |
153 return FALSE; | |
154 for (i = 0, p = (char*)hex; *p && *(p+1); i++, p += 3) | |
155 fpr[i] = (char) g_ascii_strtoull (p, NULL, 16); | |
156 return TRUE; | |
157 } | |
158 | |
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159 static gboolean tracelog_create(void) |
24 | 160 { |
77 | 161 FILE *fp; |
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162 struct stat buf; |
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163 int err; |
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164 char *v; |
77 | 165 |
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166 fp = fopen(FName, "a"); |
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167 if (!fp) { |
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168 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s!", |
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169 strerror(errno)); |
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170 return FALSE; |
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171 } |
428
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172 |
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173 err = fstat(fileno(fp), &buf); |
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174 if (err || buf.st_uid != geteuid()) { |
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175 fclose(fp); |
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176 if (err) |
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177 scr_LogPrint(LPRINT_NORMAL, "ERROR: cannot stat the tracelog file: %s!", |
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178 strerror(errno)); |
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179 else |
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180 scr_LogPrint(LPRINT_NORMAL, "ERROR: tracelog file does not belong to you!"); |
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181 return FALSE; |
428
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182 } |
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183 fchmod(fileno(fp), S_IRUSR|S_IWUSR); |
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184 |
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185 v = mcabber_version(); |
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186 fprintf(fp, "New trace log started. MCabber version %s\n" |
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187 "----------------------\n", v); |
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188 g_free(v); |
24 | 189 fclose(fp); |
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190 return TRUE; |
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191 } |
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192 |
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193 static gchar *tracelog_level_guard(const gchar *key, const gchar *new_value) |
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194 { |
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195 int new_level = 0; |
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196 if (new_value) |
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197 new_level = atoi(new_value); |
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198 if (DebugEnabled < 1 && new_level > 0 && FName && !tracelog_create()) |
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199 DebugEnabled = 0; |
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200 else |
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201 DebugEnabled = new_level; |
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202 return g_strdup(new_value); |
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203 } |
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204 |
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205 static gchar *tracelog_file_guard(const gchar *key, const gchar *new_value) |
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206 { |
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207 gchar *new_fname = NULL; |
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208 |
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209 if (new_value) |
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210 new_fname = expand_filename(new_value); |
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211 |
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212 if (g_strcmp0(FName, new_fname)) { |
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213 g_free(FName); |
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214 FName = new_fname; |
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215 if (DebugEnabled > 0 && !tracelog_create()) { |
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216 g_free(FName); |
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217 FName = NULL; |
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218 } |
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219 } else |
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220 g_free(new_fname); |
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221 |
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222 return g_strdup(new_value); |
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223 } |
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224 |
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225 // ut_init_debug() |
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226 // Installs otpion guards before initial config file parsing. |
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227 void ut_init_debug(void) |
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228 { |
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229 DebugEnabled = 0; |
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230 FName = NULL; |
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231 settings_set_guard("tracelog_level", tracelog_level_guard); |
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232 settings_set_guard("tracelog_file", tracelog_file_guard); |
24 | 233 } |
234 | |
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235 void ut_write_log(unsigned int flag, const char *data) |
24 | 236 { |
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237 if (!DebugEnabled || !FName) return; |
393 | 238 |
1617 | 239 if (((DebugEnabled >= 2) && (flag & (LPRINT_LOG|LPRINT_DEBUG))) || |
374
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240 ((DebugEnabled == 1) && (flag & LPRINT_LOG))) { |
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241 FILE *fp = fopen(FName, "a+"); |
378
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242 if (!fp) { |
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243 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot open tracelog file: %s.", |
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244 strerror(errno)); |
378
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245 return; |
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246 } |
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247 if (fputs(data, fp) == EOF) |
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248 scr_LogPrint(LPRINT_NORMAL, "ERROR: Cannot write to tracelog file."); |
24 | 249 fclose(fp); |
250 } | |
251 } | |
252 | |
362
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253 // checkset_perm(name, setmode) |
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254 // Check the permissions of the "name" file/dir |
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255 // If setmode is true, correct the permissions if they are wrong |
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256 // Return values: -1 == bad file/dir, 0 == success, 1 == cannot correct |
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257 int checkset_perm(const char *name, unsigned int setmode) |
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258 { |
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259 int fd; |
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260 struct stat buf; |
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261 |
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262 #ifdef __CYGWIN__ |
1460 | 263 // Permission checking isn't efficient on Cygwin |
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264 return 0; |
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265 #endif |
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266 |
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267 fd = stat(name, &buf); |
362
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268 if (fd == -1) return -1; |
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269 |
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270 if (buf.st_uid != geteuid()) { |
374
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271 scr_LogPrint(LPRINT_LOGNORM, "Wrong file owner [%s]", name); |
362
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272 return 1; |
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273 } |
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274 |
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275 if (buf.st_mode & (S_IRGRP | S_IWGRP | S_IXGRP) || |
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276 buf.st_mode & (S_IROTH | S_IWOTH | S_IXOTH)) { |
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277 if (setmode) { |
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278 mode_t newmode = 0; |
374
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279 scr_LogPrint(LPRINT_LOGNORM, "Bad permissions [%s]", name); |
362
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280 if (S_ISDIR(buf.st_mode)) |
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281 newmode |= S_IXUSR; |
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282 newmode |= S_IRUSR | S_IWUSR; |
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283 if (chmod(name, newmode)) { |
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284 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Failed to correct permissions!"); |
362
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285 return 1; |
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286 } |
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287 scr_LogPrint(LPRINT_LOGNORM, "Permissions have been corrected"); |
362
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288 } else { |
374
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289 scr_LogPrint(LPRINT_LOGNORM, "WARNING: Bad permissions [%s]", name); |
362
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290 return 1; |
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291 } |
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292 } |
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293 |
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294 return 0; |
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295 } |
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296 |
524
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297 const char *ut_get_tmpdir(void) |
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298 { |
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299 static const char *tmpdir; |
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300 const char *tmpvars[] = { "MCABBERTMPDIR", "TMP", "TMPDIR", "TEMP" }; |
735 | 301 unsigned int i; |
524
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302 |
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303 if (tmpdir) |
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304 return tmpdir; |
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305 |
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306 for (i = 0; i < (sizeof(tmpvars) / sizeof(const char *)); i++) { |
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307 tmpdir = getenv(tmpvars[i]); |
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308 if (tmpdir && tmpdir[0] && tmpdir[0] == '/' && tmpdir[1]) { |
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309 // Looks ok. |
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310 return tmpdir; |
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311 } |
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312 } |
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313 |
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314 // Default temporary directory |
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315 tmpdir = "/tmp"; |
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316 return tmpdir; |
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317 } |
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318 |
241 | 319 // to_iso8601(dststr, timestamp) |
320 // Convert timestamp to iso8601 format, and store it in dststr. | |
321 // NOTE: dststr should be at last 19 chars long. | |
322 // Return should be 0 | |
323 int to_iso8601(char *dststr, time_t timestamp) | |
324 { | |
325 struct tm *tm_time; | |
326 int ret; | |
327 | |
328 tm_time = gmtime(×tamp); | |
329 | |
330 ret = snprintf(dststr, 19, "%.4d%02d%02dT%02d:%02d:%02dZ", | |
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331 (int)(1900+tm_time->tm_year), tm_time->tm_mon+1, tm_time->tm_mday, |
241 | 332 tm_time->tm_hour, tm_time->tm_min, tm_time->tm_sec); |
333 | |
334 return ((ret == -1) ? -1 : 0); | |
335 } | |
336 | |
337 // from_iso8601(timestamp, utc) | |
1361 | 338 // This function came from the Pidgin project, gaim_str_to_time(). |
241 | 339 // (Actually date may not be pure iso-8601) |
340 // Thanks, guys! | |
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341 // ** Modified by somian 10 Apr 2006 with advice from ysth. |
241 | 342 time_t from_iso8601(const char *timestamp, int utc) |
343 { | |
344 struct tm t; | |
345 time_t retval = 0; | |
346 char buf[32]; | |
347 char *c; | |
348 int tzoff = 0; | |
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349 int hms_succ = 0; |
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350 int tmpyear; |
241 | 351 |
352 time(&retval); | |
353 localtime_r(&retval, &t); | |
354 | |
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355 /* Reset time to midnight (00:00:00) */ |
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356 t.tm_hour = t.tm_min = t.tm_sec = 0; |
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357 |
241 | 358 snprintf(buf, sizeof(buf), "%s", timestamp); |
359 c = buf; | |
360 | |
361 /* 4 digit year */ | |
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362 if (!sscanf(c, "%04d", &tmpyear)) return 0; |
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363 t.tm_year = tmpyear; |
241 | 364 c+=4; |
365 if (*c == '-') | |
366 c++; | |
367 | |
368 t.tm_year -= 1900; | |
369 | |
370 /* 2 digit month */ | |
371 if (!sscanf(c, "%02d", &t.tm_mon)) return 0; | |
372 c+=2; | |
373 if (*c == '-') | |
374 c++; | |
375 | |
376 t.tm_mon -= 1; | |
377 | |
378 /* 2 digit day */ | |
379 if (!sscanf(c, "%02d", &t.tm_mday)) return 0; | |
380 c+=2; | |
381 if (*c == 'T' || *c == '.') { /* we have more than a date, keep going */ | |
382 c++; /* skip the "T" */ | |
383 | |
384 /* 2 digit hour */ | |
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385 if (sscanf(c, "%02d:%02d:%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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386 { |
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387 hms_succ = 1; |
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388 c += 8; |
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389 } |
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390 else if (sscanf(c, "%02d%02d%02d", &t.tm_hour, &t.tm_min, &t.tm_sec) == 3) |
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391 { |
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392 hms_succ = 1; |
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393 c += 6; |
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394 } |
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395 |
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396 if (hms_succ) { |
241 | 397 int tzhrs, tzmins; |
802
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398 |
241 | 399 if (*c == '.') /* dealing with precision we don't care about */ |
400 c += 4; | |
401 | |
402 if ((*c == '+' || *c == '-') && | |
403 sscanf(c+1, "%02d:%02d", &tzhrs, &tzmins)) { | |
404 tzoff = tzhrs*60*60 + tzmins*60; | |
405 if (*c == '+') | |
406 tzoff *= -1; | |
407 } | |
408 | |
409 if (tzoff || utc) { | |
802
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410 #ifdef HAVE_TM_GMTOFF |
241 | 411 tzoff += t.tm_gmtoff; |
802
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412 #else |
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413 # ifdef HAVE_TIMEZONE |
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414 tzset(); /* making sure */ |
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415 tzoff -= timezone; |
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416 # endif |
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417 #endif |
241 | 418 } |
419 } | |
420 } | |
421 | |
422 t.tm_isdst = -1; | |
423 | |
424 retval = mktime(&t); | |
425 | |
426 retval += tzoff; | |
427 | |
428 return retval; | |
429 } | |
419 | 430 |
452 | 431 /** |
432 * Derived from libjabber/jid.c, because the libjabber version is not | |
433 * really convenient for our usage. | |
434 * | |
435 * Check if the full JID is valid | |
436 * Return 0 if it is valid, non zero otherwise | |
437 */ | |
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438 int check_jid_syntax(const char *fjid) |
452 | 439 { |
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440 const char *str; |
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441 const char *domain, *resource; |
452 | 442 int domlen; |
1639 | 443 #ifdef HAVE_LIBIDN |
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444 char *idnpp; |
1639 | 445 int r; |
446 #endif | |
452 | 447 |
1058 | 448 if (!fjid) return 1; |
452 | 449 |
1058 | 450 domain = strchr(fjid, JID_DOMAIN_SEPARATOR); |
452 | 451 |
456
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452 /* the username is optional */ |
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453 if (!domain) { |
1058 | 454 domain = fjid; |
456
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455 } else { |
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456 /* node identifiers may not be longer than 1023 bytes */ |
1058 | 457 if ((domain == fjid) || (domain-fjid > 1023)) |
456
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458 return 1; |
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459 domain++; |
452 | 460 |
1639 | 461 #ifdef HAVE_LIBIDN |
462 idnpp = idnprep; | |
463 str = fjid; | |
464 while (*str != JID_DOMAIN_SEPARATOR) | |
465 *idnpp++ = *str++; | |
466 *idnpp = 0; | |
467 | |
468 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_nodeprep); | |
469 if (r != STRINGPREP_OK || !idnprep[0]) | |
470 return 1; | |
471 /* the username looks okay */ | |
472 #else | |
456
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473 /* check for low and invalid ascii characters in the username */ |
1058 | 474 for (str = fjid; *str != JID_DOMAIN_SEPARATOR; str++) { |
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475 if (*str <= ' ' || *str == ':' || *str == JID_DOMAIN_SEPARATOR || |
456
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476 *str == '<' || *str == '>' || *str == '\'' || |
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477 *str == '"' || *str == '&') { |
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478 return 1; |
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479 } |
452 | 480 } |
456
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481 /* the username is okay as far as we can tell without LIBIDN */ |
1639 | 482 #endif |
452 | 483 } |
484 | |
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485 resource = strchr(domain, JID_RESOURCE_SEPARATOR); |
452 | 486 |
487 /* the resource is optional */ | |
488 if (resource) { | |
489 domlen = resource - domain; | |
490 resource++; | |
491 /* resources may not be longer than 1023 bytes */ | |
492 if ((*resource == '\0') || strlen(resource) > 1023) | |
493 return 1; | |
1639 | 494 #ifdef HAVE_LIBIDN |
495 strncpy(idnprep, resource, sizeof(idnprep)); | |
496 r = stringprep(idnprep, 1023, 0, stringprep_xmpp_resourceprep); | |
497 if (r != STRINGPREP_OK || !idnprep[0]) | |
498 return 1; | |
499 #endif | |
452 | 500 } else { |
501 domlen = strlen(domain); | |
502 } | |
503 | |
504 /* there must be a domain identifier */ | |
505 if (domlen == 0) return 1; | |
506 | |
507 /* and it must not be longer than 1023 bytes */ | |
508 if (domlen > 1023) return 1; | |
509 | |
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510 /* /.+/ is not a valid domain name pattern */ |
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511 for (str = domain; *str && *str != JID_RESOURCE_SEPARATOR; str++) |
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512 if (*str != '.') break; |
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513 if (!*str || *str == JID_RESOURCE_SEPARATOR) |
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514 return 1; /* domain contains only dots */ |
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515 |
1639 | 516 #ifdef HAVE_LIBIDN |
517 idnpp = idnprep; | |
518 str = domain; | |
519 while (*str != '\0' && *str != JID_RESOURCE_SEPARATOR) | |
520 *idnpp++ = *str++; | |
521 *idnpp = 0; | |
522 | |
523 r = stringprep_nameprep(idnprep, 1023); | |
524 if (r != STRINGPREP_OK || !idnprep[0]) | |
525 return 1; | |
526 | |
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527 if (idna_to_ascii_8z(idnprep, &idnpp, IDNA_USE_STD3_ASCII_RULES) != |
1639 | 528 IDNA_SUCCESS) |
529 return 1; | |
530 else | |
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531 free(idnpp); |
1639 | 532 #else |
452 | 533 /* make sure the hostname is valid characters */ |
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534 for (str = domain; *str != '\0' && *str != JID_RESOURCE_SEPARATOR; str++) { |
452 | 535 if (!(isalnum(*str) || *str == '.' || *str == '-' || *str == '_')) |
536 return 1; | |
537 } | |
1639 | 538 #endif |
452 | 539 |
1639 | 540 /* it's okay as far as we can tell */ |
452 | 541 return 0; |
542 } | |
543 | |
551
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544 |
1106 | 545 inline void mc_strtolower(char *str) |
452 | 546 { |
547 if (!str) return; | |
548 for ( ; *str; str++) | |
549 *str = tolower(*str); | |
550 } | |
551
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551 |
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552 // strip_arg_special_chars(string) |
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553 // Remove quotes and backslashes before an escaped quote |
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554 // Only quotes need a backslash |
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555 // Ex.: ["a b"] -> [a b]; [a\"b] -> [a"b] |
554
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556 void strip_arg_special_chars(char *s) |
551
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557 { |
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558 int instring = FALSE; |
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559 int escape = FALSE; |
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560 char *p; |
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561 |
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562 if (!s) return; |
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563 |
551
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564 for (p = s; *p; p++) { |
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565 if (*p == '"') { |
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566 if (!escape) { |
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diff
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567 instring = !instring; |
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diff
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|
568 strcpy(p, p+1); |
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569 p--; |
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Fix escaping bug in strip_arg_special_chars()
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570 } else |
551
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571 escape = FALSE; |
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572 } else if (*p == '\\') { |
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573 if (!escape) { |
1452
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574 strcpy(p, p+1); |
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575 p--; |
551
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576 } |
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577 escape = !escape; |
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578 } else |
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579 escape = FALSE; |
551
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580 } |
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581 } |
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|
582 |
554
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583 // split_arg(arg, n, preservelast) |
551
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584 // Split the string arg into a maximum of n pieces, taking care of |
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585 // double quotes. |
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586 // Return a null-terminated array of strings. This array should be freed |
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587 // by the caller after use, for example with free_arg_lst(). |
559
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diff
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588 // If dontstriplast is true, the Nth argument isn't stripped (i.e. no |
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diff
changeset
|
589 // processing of quote chars) |
554
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diff
changeset
|
590 char **split_arg(const char *arg, unsigned int n, int dontstriplast) |
551
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|
591 { |
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592 char **arglst; |
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|
593 const char *p, *start, *end; |
735 | 594 unsigned int i = 0; |
551
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595 int instring = FALSE; |
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|
596 int escape = FALSE; |
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|
597 |
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|
598 arglst = g_new0(char*, n+1); |
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|
599 |
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changeset
|
600 if (!arg || !n) return arglst; |
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diff
changeset
|
601 |
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parents:
524
diff
changeset
|
602 // Skip leading space |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
603 for (start = arg; *start && *start == ' '; start++) ; |
c71699efa5cc
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parents:
524
diff
changeset
|
604 // End of string pointer |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
605 for (end = start; *end; end++) ; |
c71699efa5cc
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parents:
524
diff
changeset
|
606 // Skip trailing space |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
607 while (end > start+1 && *(end-1) == ' ') |
c71699efa5cc
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parents:
524
diff
changeset
|
608 end--; |
c71699efa5cc
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parents:
524
diff
changeset
|
609 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
610 for (p = start; p < end; p++) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
611 if (*p == '"' && !escape) |
c71699efa5cc
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parents:
524
diff
changeset
|
612 instring = !instring; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
613 if (*p == '\\' && !escape) |
c71699efa5cc
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parents:
524
diff
changeset
|
614 escape = TRUE; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
615 else if (escape) |
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parents:
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diff
changeset
|
616 escape = FALSE; |
c71699efa5cc
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parents:
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diff
changeset
|
617 if (*p == ' ' && !instring && i+1 < n) { |
c71699efa5cc
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parents:
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diff
changeset
|
618 // end of parameter |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
619 *(arglst+i) = g_strndup(start, p-start); |
c71699efa5cc
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parents:
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diff
changeset
|
620 strip_arg_special_chars(*(arglst+i)); |
556 | 621 for (start = p+1; *start && *start == ' '; start++) ; |
1367 | 622 p = start-1; |
551
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
623 i++; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
624 } |
c71699efa5cc
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parents:
524
diff
changeset
|
625 } |
c71699efa5cc
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parents:
524
diff
changeset
|
626 |
c71699efa5cc
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parents:
524
diff
changeset
|
627 if (start < end) { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
628 *(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
|
629 if (!dontstriplast || i+1 < n) |
554
2424bbf0a6db
Some more work on do_room()
Mikael Berthe <mikael@lilotux.net>
parents:
553
diff
changeset
|
630 strip_arg_special_chars(*(arglst+i)); |
551
c71699efa5cc
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parents:
524
diff
changeset
|
631 } |
c71699efa5cc
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parents:
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diff
changeset
|
632 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
633 return arglst; |
c71699efa5cc
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parents:
524
diff
changeset
|
634 } |
c71699efa5cc
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parents:
524
diff
changeset
|
635 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
636 // free_arg_lst(arglst) |
c71699efa5cc
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diff
changeset
|
637 // Free an array allocated by split_arg() |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
638 void free_arg_lst(char **arglst) |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
639 { |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
640 char **arg_elt; |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
641 |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
642 for (arg_elt = arglst; *arg_elt; arg_elt++) |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
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diff
changeset
|
643 g_free(*arg_elt); |
c71699efa5cc
Add split_arg() / free_arg_lst()
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parents:
524
diff
changeset
|
644 g_free(arglst); |
c71699efa5cc
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parents:
524
diff
changeset
|
645 } |
576 | 646 |
655
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
647 // 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
|
648 // 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
|
649 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
|
650 { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
651 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
|
652 if (p) { |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
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parents:
580
diff
changeset
|
653 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
|
654 strcpy(p, "(...)"); |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
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parents:
580
diff
changeset
|
655 else |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
656 *p = 0; |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
657 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
658 } |
de6837908702
Use "(...)" when cutting a multi-line status message in the log window
Mikael Berthe <mikael@lilotux.net>
parents:
580
diff
changeset
|
659 |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
660 // ut_expand_tabs(text) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
661 // 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
|
662 // 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
|
663 // is returned (be careful _not_ to free the pointer in this case). |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
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parents:
1106
diff
changeset
|
664 // 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
|
665 // 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
|
666 // string after use. |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
667 char *ut_expand_tabs(const char *text) |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
668 { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
669 char *xtext, *linestart; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
670 char *p, *q; |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
671 guint n = 0, bc = 0; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
672 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
673 xtext = (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
674 for (p=xtext; *p; p++) |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
675 if (*p == '\t') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
676 n++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
677 else if (*p == '\x0d') |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
678 bc++; |
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
679 // 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
|
680 |
1122
648fe6f715a6
Filter out ^M (0x0d) characters in incoming messages
Mikael Berthe <mikael@lilotux.net>
parents:
1106
diff
changeset
|
681 if (!n && !bc) |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
682 return (char*)text; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
683 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
684 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
|
685 p = (char*)text; |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
686 q = linestart = xtext; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
687 do { |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
688 if (*p == '\t') { |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
689 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
|
690 } else if (*p != '\x0d') { |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
691 *q++ = *p; |
1568
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
692 if (*p =='\n') |
e89787ee40f7
Fix tab expansion when using say_to -f
Myhailo Danylenko <isbear@ukrpost.net>
parents:
1531
diff
changeset
|
693 linestart = q; |
727
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
694 } |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
695 } while (*p++); |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
696 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
697 return xtext; |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
698 } |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
699 |
1c3620668857
Expand tabs when reading history files
Mikael Berthe <mikael@lilotux.net>
parents:
699
diff
changeset
|
700 |
803
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
701 /* Cygwin's newlib does not have strcasestr() */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
702 /* 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
|
703 * Jeffrey Stedfast <fejj@ximian.com> |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
704 * 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
|
705 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
706 #if !defined(HAVE_STRCASESTR) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
707 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
708 # 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
|
709 # 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
|
710 # 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
|
711 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
712 /* 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
|
713 # 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
|
714 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
715 static unsigned char * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
716 __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
|
717 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
|
718 { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
719 register unsigned char *hc_ptr, *nc_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
720 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
|
721 size_t skiptable[256], n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
722 register int i; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
723 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
724 #ifdef BOYER_MOORE_CHECKS |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
725 /* 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
|
726 /* 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
|
727 if (haystacklen < needlelen) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
728 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
729 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
730 /* 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
|
731 if (needlelen == 0) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
732 return (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
733 #endif /* BOYER_MOORE_CHECKS */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
734 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
735 /* 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
|
736 ne_ptr = (unsigned char *) needle + needlelen - 1; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
737 he_ptr = (unsigned char *) haystack + haystacklen - 1; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
738 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
739 /* create our skip table */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
740 for (i = 0; i < 256; i++) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
741 skiptable[i] = needlelen; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
742 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
|
743 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
|
744 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
745 h_ptr = (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
746 while (haystacklen >= needlelen) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
747 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
|
748 nc_ptr = ne_ptr; /* set the needle compare pointer */ |
8f8d8f8157a2
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Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
749 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
750 /* 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
|
751 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
|
752 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
|
753 break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
754 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
755 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
|
756 n = skiptable[bm_index (*hc_ptr, icase)]; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
757 if (n == needlelen && i) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
758 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
|
759 n--; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
760 h_ptr += n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
761 haystacklen -= n; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
762 } else |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
763 return (unsigned char *) h_ptr; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
764 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
765 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
766 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
767 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
768 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
769 /* |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
770 * strcasestr: |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
771 * @haystack: string to search |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
772 * @needle: substring to search for |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
773 * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
774 * 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
|
775 * string @haystack ignoring case. |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
776 * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
777 * 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
|
778 * @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
|
779 **/ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
780 char * |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
781 strcasestr (const char *haystack, const char *needle) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
782 { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
783 register unsigned char *h, *n, *hc, *nc; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
784 size_t needlelen; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
785 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
786 needlelen = strlen (needle); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
787 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
788 if (needlelen == 0) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
789 return (char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
790 } else if (bm_optimal (0, needlelen)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
791 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
|
792 strlen (haystack), |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
793 (const unsigned char *) needle, |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
794 needlelen, 1); |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
795 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
796 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
797 h = (unsigned char *) haystack; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
798 n = (unsigned char *) needle; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
799 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
800 while (*(h + needlelen - 1)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
801 if (lowercase (*h) == lowercase (*n)) { |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
802 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
|
803 if (lowercase (*hc) != lowercase (*nc)) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
804 break; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
805 |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
806 if (!*nc) |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
807 return (char *) h; |
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 h++; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
810 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
811 return NULL; |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
812 } |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
813 #endif /* !HAVE_STRCASESTR */ |
8f8d8f8157a2
Take care of the strcasestr lacking (Cygwin)
Soren Andersen <somian@pobox.com>
parents:
802
diff
changeset
|
814 |
1203 | 815 // startswith(str, word, ignore_case) |
1192 | 816 // Returns TRUE if string str starts with word. |
1203 | 817 int startswith(const char *str, const char *word, guint ignore_case) |
1192 | 818 { |
1203 | 819 if (ignore_case && !strncasecmp(str, word, strlen(word))) |
820 return TRUE; | |
821 else if (!ignore_case && !strncmp(str, word, strlen(word))) | |
1192 | 822 return TRUE; |
823 return FALSE; | |
824 } | |
825 | |
1811 | 826 /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */ |