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annotate mcabber/src/settings.c @ 1216:8645b5166040
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author | Mikael Berthe <mikael@lilotux.net> |
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date | Tue, 08 May 2007 10:14:57 +0200 |
parents | 9f5c5f176953 |
children | 033576acac4c |
rev | line source |
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279 | 1 /* |
2 * settings.c -- Configuration stuff | |
393 | 3 * |
1205 | 4 * Copyright (C) 2005-2007 Mikael Berthe <mikael@lilotux.net> |
279 | 5 * |
6 * This program is free software; you can redistribute it and/or modify | |
7 * it under the terms of the GNU General Public License as published by | |
8 * the Free Software Foundation; either version 2 of the License, or (at | |
9 * your option) any later version. | |
10 * | |
11 * This program is distributed in the hope that it will be useful, but | |
12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 * General Public License for more details. | |
15 * | |
16 * You should have received a copy of the GNU General Public License | |
17 * along with this program; if not, write to the Free Software | |
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
19 * USA | |
20 */ | |
21 | |
22 #include <strings.h> | |
23 #include <stdlib.h> | |
280
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24 #include <ctype.h> |
279 | 25 |
26 #include "settings.h" | |
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27 #include "commands.h" |
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28 #include "utils.h" |
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29 #include "logprint.h" |
279 | 30 |
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31 static GHashTable *option; |
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32 static GHashTable *alias; |
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33 static GHashTable *binding; |
279 | 34 |
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35 #ifdef HAVE_GPGME /* PGP settings */ |
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36 static GHashTable *pgpopt; |
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37 |
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38 typedef struct { |
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39 gchar *pgp_keyid; /* KeyId the contact is supposed to use */ |
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40 guint pgp_disabled; /* If TRUE, PGP is disabled for outgoing messages */ |
1197 | 41 guint pgp_force; /* If TRUE, PGP is used w/o negotiation */ |
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42 } T_pgpopt; |
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43 #endif |
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44 |
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45 static inline GHashTable *get_hash(guint type) |
279 | 46 { |
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47 if (type == SETTINGS_TYPE_OPTION) return option; |
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48 else if (type == SETTINGS_TYPE_ALIAS) return alias; |
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49 else if (type == SETTINGS_TYPE_BINDING) return binding; |
279 | 50 return NULL; |
51 } | |
52 | |
53 /* -- */ | |
54 | |
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55 void settings_init(void) |
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56 { |
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57 option = g_hash_table_new_full(&g_str_hash, &g_str_equal, &g_free, &g_free); |
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58 alias = g_hash_table_new_full(&g_str_hash, &g_str_equal, &g_free, &g_free); |
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59 binding = g_hash_table_new_full(&g_str_hash, &g_str_equal, &g_free, &g_free); |
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60 #ifdef HAVE_GPGME |
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61 pgpopt = g_hash_table_new(&g_str_hash, &g_str_equal); |
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62 #endif |
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63 } |
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64 |
1192 | 65 // cfg_read_file(filename, mainfile) |
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66 // Read and parse config file "filename". If filename is NULL, |
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67 // try to open the configuration file at the default locations. |
1192 | 68 // mainfile must be set to TRUE for the startup config file. |
69 // If mainfile is TRUE, the permissions of the configuration file will | |
70 // be fixed if they're insecure. | |
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71 // |
1192 | 72 int cfg_read_file(char *filename, guint mainfile) |
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73 { |
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74 FILE *fp; |
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75 char *buf; |
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76 char *line, *eol; |
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77 unsigned int ln = 0; |
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78 int err = 0; |
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79 |
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80 if (!filename) { |
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81 // Use default config file locations |
1192 | 82 char *home; |
83 | |
84 if (!mainfile) { | |
85 scr_LogPrint(LPRINT_LOGNORM, "No file name provided"); | |
86 return -1; | |
87 } | |
88 | |
89 home = getenv("HOME"); | |
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90 if (!home) { |
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91 scr_LogPrint(LPRINT_LOG, "Can't find home dir!"); |
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92 fprintf(stderr, "Can't find home dir!\n"); |
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93 return -1; |
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94 } |
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95 filename = g_new(char, strlen(home)+24); |
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96 sprintf(filename, "%s/.mcabber/mcabberrc", home); |
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97 if ((fp = fopen(filename, "r")) == NULL) { |
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98 // 2nd try... |
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99 sprintf(filename, "%s/.mcabberrc", home); |
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100 if ((fp = fopen(filename, "r")) == NULL) { |
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101 fprintf(stderr, "Cannot open config file!\n"); |
895 | 102 g_free(filename); |
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103 return -1; |
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104 } |
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105 } |
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106 // Check configuration file permissions |
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107 // As it could contain sensitive data, we make it user-readable only |
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108 checkset_perm(filename, TRUE); |
1192 | 109 scr_LogPrint(LPRINT_LOGNORM, "Reading %s", filename); |
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110 // Check mcabber dir. There we just warn, we don't change the modes |
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111 sprintf(filename, "%s/.mcabber/", home); |
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112 checkset_perm(filename, FALSE); |
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113 g_free(filename); |
1192 | 114 filename = NULL; |
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115 } else { |
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116 if ((fp = fopen(filename, "r")) == NULL) { |
1192 | 117 const char *msg = "Cannot open configuration file"; |
118 if (mainfile) | |
119 perror(msg); | |
120 else | |
121 scr_LogPrint(LPRINT_LOGNORM, "%s (%s).", msg, filename); | |
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122 return -2; |
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123 } |
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124 // Check configuration file permissions (see above) |
1192 | 125 // We don't change the permissions if that's not the main file. |
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126 if (mainfile) |
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127 checkset_perm(filename, TRUE); |
1192 | 128 scr_LogPrint(LPRINT_LOGNORM, "Reading %s", filename); |
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129 } |
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130 |
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131 buf = g_new(char, 512); |
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132 |
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133 while (fgets(buf+1, 511, fp) != NULL) { |
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134 // The first char is reserved to add a '/', to make a command line |
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135 line = buf+1; |
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136 ln++; |
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137 |
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138 // Strip leading spaces |
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139 while (isspace(*line)) |
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140 line++; |
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141 |
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142 // Make eol point to the last char of the line |
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143 for (eol = line ; *eol ; eol++) |
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144 ; |
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145 if (eol > line) |
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146 eol--; |
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147 |
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148 // Strip trailing spaces |
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149 while (eol > line && isspace(*eol)) |
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150 *eol-- = 0; |
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151 |
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152 // Ignore empty lines and comments |
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153 if ((*line == '\n') || (*line == '\0') || (*line == '#')) |
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154 continue; |
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155 |
1192 | 156 // We only allow assignments line, except for commands "pgp" and "source" |
157 if ((strchr(line, '=') != NULL) || | |
1203 | 158 startswith(line, "pgp ", FALSE) || startswith(line, "source ", FALSE)) { |
1192 | 159 // Only accept the set, alias, bind, pgp and source commands |
1203 | 160 if (!startswith(line, "set ", FALSE) && |
161 !startswith(line, "bind ", FALSE) && | |
162 !startswith(line, "alias ", FALSE) && | |
163 !startswith(line, "pgp ", FALSE) && | |
164 !startswith(line, "source ", FALSE)) { | |
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165 scr_LogPrint(LPRINT_LOGNORM, |
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166 "Error in configuration file (l. %d): bad command", ln); |
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167 err++; |
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168 continue; |
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169 } |
967 | 170 // Set the leading COMMAND_CHAR to build a command line |
171 // and process the command | |
172 *(--line) = COMMAND_CHAR; | |
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173 process_command(line, TRUE); |
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174 } else { |
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175 scr_LogPrint(LPRINT_LOGNORM, |
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176 "Error in configuration file (l. %d): no assignment", ln); |
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177 err++; |
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178 } |
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179 } |
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180 g_free(buf); |
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181 fclose(fp); |
1192 | 182 |
183 if (filename) | |
184 scr_LogPrint(LPRINT_LOGNORM, "Loaded %s.", filename); | |
341
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185 return err; |
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186 } |
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187 |
280
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188 // parse_assigment(assignment, pkey, pval) |
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189 // Read assignment and split it to key, value |
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190 // |
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191 // If this is an assignment, the function will return TRUE and |
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192 // set *pkey and *pval (*pval is set to NULL if value field is empty). |
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193 // |
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194 // If this isn't a assignment (no = char), the function will set *pval |
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195 // to NULL and return FALSE. |
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196 // |
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197 // The caller should g_free() *pkey and *pval (if not NULL) after use. |
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198 guint parse_assigment(gchar *assignment, gchar **pkey, gchar **pval) |
280
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199 { |
293
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200 char *key, *val, *t, *p; |
280
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201 |
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202 *pkey = *pval = NULL; |
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203 |
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204 key = assignment; |
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205 // Remove leading spaces in option name |
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206 while ((!isalnum(*key)) && (*key != '=') && *key) { |
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207 //if (!isblank(*key)) |
293
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208 // scr_LogPrint("Error in assignment parsing!"); |
280
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209 key++; |
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210 } |
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211 if (!*key) return FALSE; // Empty assignment |
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212 |
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213 if (*key == '=') { |
293
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214 //scr_LogPrint("Cannot parse assignment!"); |
280
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215 return FALSE; |
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216 } |
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217 // Ok, key points to the option name |
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218 |
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219 for (val = key+1 ; *val && (*val != '=') ; val++) |
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220 if (!isalnum(*val) && !isblank(*val) && (*val != '_') && (*val != '-')) { |
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221 // Key should only have alnum chars... |
293
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222 //scr_LogPrint("Error in assignment parsing!"); |
280
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223 return FALSE; |
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224 } |
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225 // Remove trailing spaces in option name: |
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226 for (t = val-1 ; t > key && isblank(*t) ; t--) |
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227 ; |
293
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228 // Check for embedded whitespace characters |
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229 for (p = key; p < t; p++) { |
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230 if (isblank(*p)) { |
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231 //scr_LogPrint("Error in assignment parsing!" |
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232 // " (Name should not contain space chars)"); |
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233 return FALSE; |
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234 } |
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235 } |
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236 |
280
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237 *pkey = g_strndup(key, t+1-key); |
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238 |
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239 if (!*val) return FALSE; // Not an assignment |
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240 |
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241 // Remove leading and trailing spaces in option value: |
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242 for (val++; *val && isblank(*val) ; val++) ; |
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243 for (t = val ; *t ; t++) ; |
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244 for (t-- ; t >= val && isblank(*t) ; t--) ; |
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245 |
282
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246 if (t < val) return TRUE; // no value (variable reset for example) |
280
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247 |
337
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248 // If the value begins and ends with quotes ("), these quotes are |
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249 // removed and whitespace is not stripped |
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250 if ((t>val) && (*val == '"' && *t == '"')) { |
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251 val++; |
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252 t--; |
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253 } |
280
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254 *pval = g_strndup(val, t+1-val); |
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255 return TRUE; |
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256 } |
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257 |
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258 void settings_set(guint type, const gchar *key, const gchar *value) |
279 | 259 { |
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260 GHashTable *hash; |
279 | 261 |
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262 hash = get_hash(type); |
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263 if (!hash) |
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264 return; |
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265 |
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266 if (!value) { |
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267 g_hash_table_remove(hash, key); |
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268 } else { |
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269 g_hash_table_insert(hash, g_strdup(key), g_strdup(value)); |
279 | 270 } |
271 } | |
272 | |
281
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273 void settings_del(guint type, const gchar *key) |
279 | 274 { |
275 settings_set(type, key, NULL); | |
276 } | |
277 | |
281
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278 const gchar *settings_get(guint type, const gchar *key) |
279 | 279 { |
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280 GHashTable *hash; |
279 | 281 |
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282 hash = get_hash(type); |
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283 if (!hash) |
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284 return NULL; |
279 | 285 |
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286 return g_hash_table_lookup(hash, key); |
279 | 287 } |
288 | |
281
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289 int settings_get_int(guint type, const gchar *key) |
279 | 290 { |
281
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291 const gchar *setval = settings_get(type, key); |
279 | 292 |
293 if (setval) return atoi(setval); | |
294 return 0; | |
295 } | |
296 | |
294
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297 // settings_get_status_msg(status) |
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298 // Return a string with the current status message: |
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299 // - if there is a user-defined message ("message" option), |
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300 // return this message |
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301 // - if there is a user-defined message for the given status (and no |
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302 // generic user message), it is returned |
521 | 303 // - if no message is found, return NULL |
294
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304 const gchar *settings_get_status_msg(enum imstatus status) |
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305 { |
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306 const gchar *rstatus = settings_opt_get("message"); |
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307 |
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308 if (rstatus) return rstatus; |
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309 |
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310 switch(status) { |
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311 case available: |
521 | 312 rstatus = settings_opt_get("message_avail"); |
294
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313 break; |
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314 |
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315 case freeforchat: |
521 | 316 rstatus = settings_opt_get("message_free"); |
294
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317 break; |
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318 |
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319 case dontdisturb: |
521 | 320 rstatus = settings_opt_get("message_dnd"); |
294
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321 break; |
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322 |
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323 case notavail: |
521 | 324 rstatus = settings_opt_get("message_notavail"); |
294
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325 break; |
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326 |
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327 case away: |
521 | 328 rstatus = settings_opt_get("message_away"); |
294
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329 break; |
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330 |
521 | 331 default: // offline, invisible |
332 break; | |
294
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333 } |
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334 return rstatus; |
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335 } |
576 | 336 |
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337 // settings_foreach(type, pfunction, param) |
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338 // Call pfunction(param, key, value) for each setting with requested type. |
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339 void settings_foreach(guint type, void (*pfunc)(char *k, char *v, void *param), |
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340 void *param) |
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341 { |
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342 GHashTable *hash; |
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343 |
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344 hash = get_hash(type); |
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345 if (!hash) |
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346 return; |
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347 |
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348 g_hash_table_foreach(hash, (GHFunc)pfunc, param); |
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349 } |
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350 |
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351 |
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352 // default_muc_nickname() |
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353 // Return the user's default nickname |
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354 // The caller should free the string after use |
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355 char *default_muc_nickname(void) |
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356 { |
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357 char *nick; |
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358 |
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359 // We try the "nickname" option, then the username part of the jid. |
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360 nick = (char*)settings_opt_get("nickname"); |
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361 if (nick) |
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362 return g_strdup(nick); |
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363 |
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364 nick = g_strdup(settings_opt_get("username")); |
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365 if (nick) { |
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366 char *p = strchr(nick, JID_DOMAIN_SEPARATOR); |
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367 if (p > nick) |
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368 *p = 0; |
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369 } |
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370 return nick; |
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371 } |
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372 |
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373 |
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374 /* PGP settings */ |
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375 |
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376 // settings_pgp_setdisabled(jid, value) |
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377 // Enable/disable PGP encryption for jid. |
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378 // (Set value to TRUE to disable encryption) |
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379 void settings_pgp_setdisabled(const char *bjid, guint value) |
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380 { |
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381 #ifdef HAVE_GPGME |
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382 T_pgpopt *pgpdata; |
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383 pgpdata = g_hash_table_lookup(pgpopt, bjid); |
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384 if (!pgpdata) { |
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385 // If value is 0, we do not need to create a structure (that's |
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386 // the default value). |
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387 if (value) { |
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388 pgpdata = g_new0(T_pgpopt, 1); |
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389 pgpdata->pgp_disabled = value; |
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390 g_hash_table_insert(pgpopt, g_strdup(bjid), pgpdata); |
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391 } |
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392 } else { |
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393 pgpdata->pgp_disabled = value; |
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394 // We could remove the key/value if pgp_disabled is 0 and |
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395 // pgp_keyid is NULL, actually. |
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396 } |
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397 #endif |
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398 } |
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399 |
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400 // settings_pgp_getdisabled(jid) |
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401 // Return TRUE if PGP encryption should be disabled for jid. |
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402 guint settings_pgp_getdisabled(const char *bjid) |
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403 { |
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404 #ifdef HAVE_GPGME |
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405 T_pgpopt *pgpdata; |
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406 pgpdata = g_hash_table_lookup(pgpopt, bjid); |
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407 if (pgpdata) |
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408 return pgpdata->pgp_disabled; |
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409 else |
1197 | 410 return FALSE; // Default: not disabled |
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411 #else |
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412 return TRUE; // No PGP support, let's say it's disabled. |
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413 #endif |
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414 } |
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415 |
1197 | 416 // settings_pgp_setforce(jid, value) |
417 // Force (or not) PGP encryption for jid. | |
418 // When value is TRUE, PGP support will be assumed for the remote client. | |
419 void settings_pgp_setforce(const char *bjid, guint value) | |
420 { | |
421 #ifdef HAVE_GPGME | |
422 T_pgpopt *pgpdata; | |
423 pgpdata = g_hash_table_lookup(pgpopt, bjid); | |
424 if (!pgpdata) { | |
425 // If value is 0, we do not need to create a structure (that's | |
426 // the default value). | |
427 if (value) { | |
428 pgpdata = g_new0(T_pgpopt, 1); | |
429 pgpdata->pgp_force = value; | |
430 g_hash_table_insert(pgpopt, g_strdup(bjid), pgpdata); | |
431 } | |
432 } else { | |
433 pgpdata->pgp_force = value; | |
434 } | |
435 if (!pgpdata->pgp_keyid) | |
436 scr_LogPrint(LPRINT_NORMAL, "Warning: the Key Id is not set!"); | |
437 #endif | |
438 } | |
439 | |
440 // settings_pgp_getforce(jid) | |
441 // Return TRUE if PGP enforcement is set for jid. | |
442 guint settings_pgp_getforce(const char *bjid) | |
443 { | |
444 #ifdef HAVE_GPGME | |
445 T_pgpopt *pgpdata; | |
446 pgpdata = g_hash_table_lookup(pgpopt, bjid); | |
447 if (pgpdata) | |
448 return pgpdata->pgp_force; | |
449 else | |
450 return FALSE; // Default | |
451 #else | |
452 return FALSE; // No PGP support | |
453 #endif | |
454 } | |
455 | |
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456 // settings_pgp_setkeyid(jid, keyid) |
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457 // Set the PGP KeyId for user jid. |
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458 // Use keyid = NULL to erase the previous KeyId. |
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459 void settings_pgp_setkeyid(const char *bjid, const char *keyid) |
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460 { |
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461 #ifdef HAVE_GPGME |
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462 T_pgpopt *pgpdata; |
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463 pgpdata = g_hash_table_lookup(pgpopt, bjid); |
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464 if (!pgpdata) { |
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465 // If keyid is NULL, we do not need to create a structure (that's |
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466 // the default value). |
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467 if (keyid) { |
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468 pgpdata = g_new0(T_pgpopt, 1); |
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469 pgpdata->pgp_keyid = g_strdup(keyid); |
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470 g_hash_table_insert(pgpopt, g_strdup(bjid), pgpdata); |
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471 } |
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472 } else { |
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473 g_free(pgpdata->pgp_keyid); |
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474 if (keyid) |
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475 pgpdata->pgp_keyid = g_strdup(keyid); |
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476 else |
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477 pgpdata->pgp_keyid = NULL; |
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478 // We could remove the key/value if pgp_disabled is 0 and |
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479 // pgp_keyid is NULL, actually. |
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480 } |
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481 #endif |
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482 } |
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483 |
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484 // settings_pgp_getkeyid(jid) |
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485 // Get the PGP KeyId for user jid. |
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486 const char *settings_pgp_getkeyid(const char *bjid) |
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487 { |
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488 #ifdef HAVE_GPGME |
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489 T_pgpopt *pgpdata; |
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490 pgpdata = g_hash_table_lookup(pgpopt, bjid); |
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491 if (pgpdata) |
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492 return pgpdata->pgp_keyid; |
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493 #endif |
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494 return NULL; |
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495 } |
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496 |
1141
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497 guint get_max_history_blocks(void) |
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498 { |
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499 int max_num_of_blocks = settings_opt_get_int("max_history_blocks"); |
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500 if (max_num_of_blocks < 0) |
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501 max_num_of_blocks = 0; |
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502 else if (max_num_of_blocks == 1) |
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503 max_num_of_blocks = 2; |
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504 return (guint)max_num_of_blocks; |
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505 } |
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506 |
580 | 507 /* vim: set expandtab cindent cinoptions=>2\:2(0: For Vim users... */ |