1 | /* |
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2 | * Support code for the Common UNIX Printing System ("CUPS") |
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3 | * |
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4 | * Copyright 1999-2003 by Michael R Sweet. |
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5 | * |
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6 | * This program is free software; you can redistribute it and/or modify |
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7 | * it under the terms of the GNU General Public License as published by |
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8 | * the Free Software Foundation; either version 2 of the License, or |
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9 | * (at your option) any later version. |
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10 | * |
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11 | * This program is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | * GNU General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU General Public License |
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17 | * along with this program; if not, write to the Free Software |
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18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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19 | */ |
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20 | |
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21 | #include "includes.h" |
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22 | #include "printing.h" |
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23 | |
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24 | #ifdef HAVE_CUPS |
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25 | #include <cups/cups.h> |
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26 | #include <cups/language.h> |
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27 | |
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28 | extern userdom_struct current_user_info; |
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29 | |
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30 | /* |
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31 | * 'cups_passwd_cb()' - The CUPS password callback... |
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32 | */ |
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33 | |
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34 | static const char * /* O - Password or NULL */ |
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35 | cups_passwd_cb(const char *prompt) /* I - Prompt */ |
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36 | { |
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37 | /* |
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38 | * Always return NULL to indicate that no password is available... |
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39 | */ |
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40 | |
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41 | return (NULL); |
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42 | } |
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43 | |
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44 | static http_t *cups_connect(void) |
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45 | { |
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46 | http_t *http; |
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47 | char *server, *p; |
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48 | int port; |
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49 | |
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50 | if (lp_cups_server() != NULL && strlen(lp_cups_server()) > 0) { |
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51 | server = smb_xstrdup(lp_cups_server()); |
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52 | } else { |
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53 | server = smb_xstrdup(cupsServer()); |
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54 | } |
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55 | |
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56 | p = strchr(server, ':'); |
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57 | if (p) { |
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58 | port = atoi(p+1); |
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59 | *p = '\0'; |
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60 | } else { |
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61 | port = ippPort(); |
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62 | } |
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63 | |
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64 | DEBUG(10, ("connecting to cups server %s:%d\n", |
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65 | server, port)); |
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66 | |
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67 | if ((http = httpConnect(server, port)) == NULL) { |
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68 | DEBUG(0,("Unable to connect to CUPS server %s:%d - %s\n", |
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69 | server, port, strerror(errno))); |
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70 | SAFE_FREE(server); |
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71 | return NULL; |
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72 | } |
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73 | |
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74 | SAFE_FREE(server); |
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75 | return http; |
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76 | } |
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77 | |
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78 | BOOL cups_cache_reload(void) |
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79 | { |
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80 | http_t *http = NULL; /* HTTP connection to server */ |
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81 | ipp_t *request = NULL, /* IPP Request */ |
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82 | *response = NULL; /* IPP Response */ |
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83 | ipp_attribute_t *attr; /* Current attribute */ |
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84 | cups_lang_t *language = NULL; /* Default language */ |
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85 | char *name, /* printer-name attribute */ |
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86 | *info; /* printer-info attribute */ |
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87 | static const char *requested[] =/* Requested attributes */ |
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88 | { |
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89 | "printer-name", |
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90 | "printer-info" |
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91 | }; |
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92 | BOOL ret = False; |
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93 | |
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94 | DEBUG(5, ("reloading cups printcap cache\n")); |
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95 | |
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96 | /* |
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97 | * Make sure we don't ask for passwords... |
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98 | */ |
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99 | |
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100 | cupsSetPasswordCB(cups_passwd_cb); |
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101 | |
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102 | /* |
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103 | * Try to connect to the server... |
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104 | */ |
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105 | |
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106 | if ((http = cups_connect()) == NULL) { |
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107 | goto out; |
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108 | } |
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109 | |
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110 | /* |
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111 | * Build a CUPS_GET_PRINTERS request, which requires the following |
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112 | * attributes: |
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113 | * |
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114 | * attributes-charset |
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115 | * attributes-natural-language |
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116 | * requested-attributes |
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117 | */ |
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118 | |
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119 | request = ippNew(); |
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120 | |
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121 | request->request.op.operation_id = CUPS_GET_PRINTERS; |
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122 | request->request.op.request_id = 1; |
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123 | |
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124 | language = cupsLangDefault(); |
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125 | |
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126 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
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127 | "attributes-charset", NULL, cupsLangEncoding(language)); |
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128 | |
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129 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
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130 | "attributes-natural-language", NULL, language->language); |
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131 | |
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132 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME, |
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133 | "requested-attributes", |
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134 | (sizeof(requested) / sizeof(requested[0])), |
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135 | NULL, requested); |
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136 | |
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137 | /* |
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138 | * Do the request and get back a response... |
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139 | */ |
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140 | |
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141 | if ((response = cupsDoRequest(http, request, "/")) == NULL) { |
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142 | DEBUG(0,("Unable to get printer list - %s\n", |
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143 | ippErrorString(cupsLastError()))); |
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144 | goto out; |
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145 | } |
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146 | |
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147 | for (attr = response->attrs; attr != NULL;) { |
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148 | /* |
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149 | * Skip leading attributes until we hit a printer... |
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150 | */ |
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151 | |
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152 | while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER) |
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153 | attr = attr->next; |
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154 | |
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155 | if (attr == NULL) |
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156 | break; |
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157 | |
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158 | /* |
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159 | * Pull the needed attributes from this printer... |
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160 | */ |
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161 | |
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162 | name = NULL; |
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163 | info = NULL; |
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164 | |
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165 | while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER) { |
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166 | if (strcmp(attr->name, "printer-name") == 0 && |
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167 | attr->value_tag == IPP_TAG_NAME) |
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168 | name = attr->values[0].string.text; |
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169 | |
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170 | if (strcmp(attr->name, "printer-info") == 0 && |
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171 | attr->value_tag == IPP_TAG_TEXT) |
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172 | info = attr->values[0].string.text; |
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173 | |
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174 | attr = attr->next; |
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175 | } |
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176 | |
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177 | /* |
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178 | * See if we have everything needed... |
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179 | */ |
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180 | |
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181 | if (name == NULL) |
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182 | break; |
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183 | |
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184 | if (!pcap_cache_add(name, info)) { |
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185 | goto out; |
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186 | } |
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187 | } |
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188 | |
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189 | ippDelete(response); |
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190 | response = NULL; |
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191 | |
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192 | /* |
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193 | * Build a CUPS_GET_CLASSES request, which requires the following |
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194 | * attributes: |
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195 | * |
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196 | * attributes-charset |
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197 | * attributes-natural-language |
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198 | * requested-attributes |
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199 | */ |
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200 | |
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201 | request = ippNew(); |
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202 | |
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203 | request->request.op.operation_id = CUPS_GET_CLASSES; |
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204 | request->request.op.request_id = 1; |
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205 | |
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206 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
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207 | "attributes-charset", NULL, cupsLangEncoding(language)); |
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208 | |
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209 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
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210 | "attributes-natural-language", NULL, language->language); |
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211 | |
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212 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME, |
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213 | "requested-attributes", |
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214 | (sizeof(requested) / sizeof(requested[0])), |
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215 | NULL, requested); |
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216 | |
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217 | /* |
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218 | * Do the request and get back a response... |
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219 | */ |
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220 | |
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221 | if ((response = cupsDoRequest(http, request, "/")) == NULL) { |
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222 | DEBUG(0,("Unable to get printer list - %s\n", |
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223 | ippErrorString(cupsLastError()))); |
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224 | goto out; |
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225 | } |
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226 | |
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227 | for (attr = response->attrs; attr != NULL;) { |
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228 | /* |
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229 | * Skip leading attributes until we hit a printer... |
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230 | */ |
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231 | |
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232 | while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER) |
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233 | attr = attr->next; |
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234 | |
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235 | if (attr == NULL) |
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236 | break; |
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237 | |
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238 | /* |
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239 | * Pull the needed attributes from this printer... |
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240 | */ |
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241 | |
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242 | name = NULL; |
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243 | info = NULL; |
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244 | |
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245 | while (attr != NULL && attr->group_tag == IPP_TAG_PRINTER) { |
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246 | if (strcmp(attr->name, "printer-name") == 0 && |
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247 | attr->value_tag == IPP_TAG_NAME) |
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248 | name = attr->values[0].string.text; |
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249 | |
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250 | if (strcmp(attr->name, "printer-info") == 0 && |
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251 | attr->value_tag == IPP_TAG_TEXT) |
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252 | info = attr->values[0].string.text; |
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253 | |
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254 | attr = attr->next; |
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255 | } |
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256 | |
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257 | /* |
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258 | * See if we have everything needed... |
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259 | */ |
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260 | |
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261 | if (name == NULL) |
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262 | break; |
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263 | |
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264 | if (!pcap_cache_add(name, info)) { |
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265 | goto out; |
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266 | } |
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267 | } |
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268 | |
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269 | ret = True; |
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270 | |
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271 | out: |
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272 | if (response) |
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273 | ippDelete(response); |
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274 | |
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275 | if (language) |
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276 | cupsLangFree(language); |
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277 | |
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278 | if (http) |
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279 | httpClose(http); |
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280 | |
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281 | return ret; |
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282 | } |
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283 | |
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284 | |
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285 | /* |
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286 | * 'cups_job_delete()' - Delete a job. |
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287 | */ |
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288 | |
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289 | static int cups_job_delete(const char *sharename, const char *lprm_command, struct printjob *pjob) |
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290 | { |
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291 | int ret = 1; /* Return value */ |
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292 | http_t *http = NULL; /* HTTP connection to server */ |
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293 | ipp_t *request = NULL, /* IPP Request */ |
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294 | *response = NULL; /* IPP Response */ |
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295 | cups_lang_t *language = NULL; /* Default language */ |
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296 | char uri[HTTP_MAX_URI]; /* printer-uri attribute */ |
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297 | |
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298 | |
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299 | DEBUG(5,("cups_job_delete(%s, %p (%d))\n", sharename, pjob, pjob->sysjob)); |
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300 | |
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301 | /* |
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302 | * Make sure we don't ask for passwords... |
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303 | */ |
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304 | |
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305 | cupsSetPasswordCB(cups_passwd_cb); |
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306 | |
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307 | /* |
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308 | * Try to connect to the server... |
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309 | */ |
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310 | |
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311 | if ((http = cups_connect()) == NULL) { |
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312 | goto out; |
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313 | } |
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314 | |
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315 | /* |
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316 | * Build an IPP_CANCEL_JOB request, which requires the following |
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317 | * attributes: |
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318 | * |
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319 | * attributes-charset |
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320 | * attributes-natural-language |
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321 | * job-uri |
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322 | * requesting-user-name |
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323 | */ |
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324 | |
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325 | request = ippNew(); |
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326 | |
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327 | request->request.op.operation_id = IPP_CANCEL_JOB; |
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328 | request->request.op.request_id = 1; |
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329 | |
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330 | language = cupsLangDefault(); |
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331 | |
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332 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
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333 | "attributes-charset", NULL, cupsLangEncoding(language)); |
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334 | |
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335 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
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336 | "attributes-natural-language", NULL, language->language); |
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337 | |
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338 | slprintf(uri, sizeof(uri) - 1, "ipp://localhost/jobs/%d", pjob->sysjob); |
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339 | |
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340 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri); |
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341 | |
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342 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", |
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343 | NULL, pjob->user); |
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344 | |
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345 | /* |
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346 | * Do the request and get back a response... |
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347 | */ |
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348 | |
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349 | if ((response = cupsDoRequest(http, request, "/jobs")) != NULL) { |
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350 | if (response->request.status.status_code >= IPP_OK_CONFLICT) { |
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351 | DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob, |
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352 | ippErrorString(cupsLastError()))); |
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353 | } else { |
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354 | ret = 0; |
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355 | } |
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356 | } else { |
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357 | DEBUG(0,("Unable to cancel job %d - %s\n", pjob->sysjob, |
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358 | ippErrorString(cupsLastError()))); |
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359 | } |
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360 | |
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361 | out: |
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362 | if (response) |
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363 | ippDelete(response); |
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364 | |
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365 | if (language) |
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366 | cupsLangFree(language); |
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367 | |
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368 | if (http) |
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369 | httpClose(http); |
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370 | |
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371 | return ret; |
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372 | } |
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373 | |
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374 | |
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375 | /* |
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376 | * 'cups_job_pause()' - Pause a job. |
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377 | */ |
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378 | |
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379 | static int cups_job_pause(int snum, struct printjob *pjob) |
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380 | { |
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381 | int ret = 1; /* Return value */ |
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382 | http_t *http = NULL; /* HTTP connection to server */ |
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383 | ipp_t *request = NULL, /* IPP Request */ |
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384 | *response = NULL; /* IPP Response */ |
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385 | cups_lang_t *language = NULL; /* Default language */ |
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386 | char uri[HTTP_MAX_URI]; /* printer-uri attribute */ |
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387 | |
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388 | |
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389 | DEBUG(5,("cups_job_pause(%d, %p (%d))\n", snum, pjob, pjob->sysjob)); |
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390 | |
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391 | /* |
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392 | * Make sure we don't ask for passwords... |
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393 | */ |
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394 | |
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395 | cupsSetPasswordCB(cups_passwd_cb); |
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396 | |
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397 | /* |
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398 | * Try to connect to the server... |
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399 | */ |
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400 | |
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401 | if ((http = cups_connect()) == NULL) { |
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402 | goto out; |
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403 | } |
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404 | |
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405 | /* |
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406 | * Build an IPP_HOLD_JOB request, which requires the following |
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407 | * attributes: |
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408 | * |
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409 | * attributes-charset |
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410 | * attributes-natural-language |
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411 | * job-uri |
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412 | * requesting-user-name |
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413 | */ |
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414 | |
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415 | request = ippNew(); |
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416 | |
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417 | request->request.op.operation_id = IPP_HOLD_JOB; |
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418 | request->request.op.request_id = 1; |
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419 | |
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420 | language = cupsLangDefault(); |
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421 | |
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422 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
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423 | "attributes-charset", NULL, cupsLangEncoding(language)); |
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424 | |
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425 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
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426 | "attributes-natural-language", NULL, language->language); |
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427 | |
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428 | slprintf(uri, sizeof(uri) - 1, "ipp://localhost/jobs/%d", pjob->sysjob); |
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429 | |
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430 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri); |
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431 | |
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432 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", |
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433 | NULL, pjob->user); |
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434 | |
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435 | /* |
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436 | * Do the request and get back a response... |
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437 | */ |
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438 | |
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439 | if ((response = cupsDoRequest(http, request, "/jobs")) != NULL) { |
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440 | if (response->request.status.status_code >= IPP_OK_CONFLICT) { |
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441 | DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob, |
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442 | ippErrorString(cupsLastError()))); |
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443 | } else { |
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444 | ret = 0; |
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445 | } |
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446 | } else { |
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447 | DEBUG(0,("Unable to hold job %d - %s\n", pjob->sysjob, |
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448 | ippErrorString(cupsLastError()))); |
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449 | } |
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450 | |
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451 | out: |
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452 | if (response) |
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453 | ippDelete(response); |
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454 | |
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455 | if (language) |
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456 | cupsLangFree(language); |
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457 | |
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458 | if (http) |
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459 | httpClose(http); |
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460 | |
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461 | return ret; |
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462 | } |
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463 | |
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464 | |
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465 | /* |
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466 | * 'cups_job_resume()' - Resume a paused job. |
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467 | */ |
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468 | |
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469 | static int cups_job_resume(int snum, struct printjob *pjob) |
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470 | { |
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471 | int ret = 1; /* Return value */ |
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472 | http_t *http = NULL; /* HTTP connection to server */ |
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473 | ipp_t *request = NULL, /* IPP Request */ |
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474 | *response = NULL; /* IPP Response */ |
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475 | cups_lang_t *language = NULL; /* Default language */ |
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476 | char uri[HTTP_MAX_URI]; /* printer-uri attribute */ |
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477 | |
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478 | |
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479 | DEBUG(5,("cups_job_resume(%d, %p (%d))\n", snum, pjob, pjob->sysjob)); |
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480 | |
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481 | /* |
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482 | * Make sure we don't ask for passwords... |
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483 | */ |
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484 | |
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485 | cupsSetPasswordCB(cups_passwd_cb); |
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486 | |
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487 | /* |
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488 | * Try to connect to the server... |
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489 | */ |
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490 | |
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491 | if ((http = cups_connect()) == NULL) { |
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492 | goto out; |
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493 | } |
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494 | |
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495 | /* |
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496 | * Build an IPP_RELEASE_JOB request, which requires the following |
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497 | * attributes: |
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498 | * |
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499 | * attributes-charset |
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500 | * attributes-natural-language |
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501 | * job-uri |
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502 | * requesting-user-name |
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503 | */ |
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504 | |
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505 | request = ippNew(); |
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506 | |
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507 | request->request.op.operation_id = IPP_RELEASE_JOB; |
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508 | request->request.op.request_id = 1; |
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509 | |
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510 | language = cupsLangDefault(); |
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511 | |
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512 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
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513 | "attributes-charset", NULL, cupsLangEncoding(language)); |
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514 | |
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515 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
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516 | "attributes-natural-language", NULL, language->language); |
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517 | |
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518 | slprintf(uri, sizeof(uri) - 1, "ipp://localhost/jobs/%d", pjob->sysjob); |
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519 | |
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520 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "job-uri", NULL, uri); |
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521 | |
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522 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", |
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523 | NULL, pjob->user); |
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524 | |
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525 | /* |
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526 | * Do the request and get back a response... |
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527 | */ |
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528 | |
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529 | if ((response = cupsDoRequest(http, request, "/jobs")) != NULL) { |
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530 | if (response->request.status.status_code >= IPP_OK_CONFLICT) { |
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531 | DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob, |
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532 | ippErrorString(cupsLastError()))); |
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533 | } else { |
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534 | ret = 0; |
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535 | } |
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536 | } else { |
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537 | DEBUG(0,("Unable to release job %d - %s\n", pjob->sysjob, |
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538 | ippErrorString(cupsLastError()))); |
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539 | } |
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540 | |
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541 | out: |
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542 | if (response) |
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543 | ippDelete(response); |
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544 | |
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545 | if (language) |
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546 | cupsLangFree(language); |
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547 | |
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548 | if (http) |
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549 | httpClose(http); |
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550 | |
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551 | return ret; |
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552 | } |
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553 | |
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554 | |
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555 | /* |
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556 | * 'cups_job_submit()' - Submit a job for printing. |
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557 | */ |
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558 | |
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559 | static int cups_job_submit(int snum, struct printjob *pjob) |
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560 | { |
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561 | int ret = 1; /* Return value */ |
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562 | http_t *http = NULL; /* HTTP connection to server */ |
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563 | ipp_t *request = NULL, /* IPP Request */ |
---|
564 | *response = NULL; /* IPP Response */ |
---|
565 | cups_lang_t *language = NULL; /* Default language */ |
---|
566 | char uri[HTTP_MAX_URI]; /* printer-uri attribute */ |
---|
567 | char *clientname = NULL; /* hostname of client for job-originating-host attribute */ |
---|
568 | pstring new_jobname; |
---|
569 | int num_options = 0; |
---|
570 | cups_option_t *options = NULL; |
---|
571 | |
---|
572 | DEBUG(5,("cups_job_submit(%d, %p (%d))\n", snum, pjob, pjob->sysjob)); |
---|
573 | |
---|
574 | /* |
---|
575 | * Make sure we don't ask for passwords... |
---|
576 | */ |
---|
577 | |
---|
578 | cupsSetPasswordCB(cups_passwd_cb); |
---|
579 | |
---|
580 | /* |
---|
581 | * Try to connect to the server... |
---|
582 | */ |
---|
583 | |
---|
584 | if ((http = cups_connect()) == NULL) { |
---|
585 | goto out; |
---|
586 | } |
---|
587 | |
---|
588 | /* |
---|
589 | * Build an IPP_PRINT_JOB request, which requires the following |
---|
590 | * attributes: |
---|
591 | * |
---|
592 | * attributes-charset |
---|
593 | * attributes-natural-language |
---|
594 | * printer-uri |
---|
595 | * requesting-user-name |
---|
596 | * [document-data] |
---|
597 | */ |
---|
598 | |
---|
599 | request = ippNew(); |
---|
600 | |
---|
601 | request->request.op.operation_id = IPP_PRINT_JOB; |
---|
602 | request->request.op.request_id = 1; |
---|
603 | |
---|
604 | language = cupsLangDefault(); |
---|
605 | |
---|
606 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
---|
607 | "attributes-charset", NULL, cupsLangEncoding(language)); |
---|
608 | |
---|
609 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
---|
610 | "attributes-natural-language", NULL, language->language); |
---|
611 | |
---|
612 | slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s", |
---|
613 | PRINTERNAME(snum)); |
---|
614 | |
---|
615 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, |
---|
616 | "printer-uri", NULL, uri); |
---|
617 | |
---|
618 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", |
---|
619 | NULL, pjob->user); |
---|
620 | |
---|
621 | clientname = client_name(); |
---|
622 | if (strcmp(clientname, "UNKNOWN") == 0) { |
---|
623 | clientname = client_addr(); |
---|
624 | } |
---|
625 | |
---|
626 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, |
---|
627 | "job-originating-host-name", NULL, |
---|
628 | clientname); |
---|
629 | |
---|
630 | pstr_sprintf(new_jobname,"%s%.8u %s", PRINT_SPOOL_PREFIX, |
---|
631 | (unsigned int)pjob->smbjob, pjob->jobname); |
---|
632 | |
---|
633 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "job-name", NULL, |
---|
634 | new_jobname); |
---|
635 | |
---|
636 | /* |
---|
637 | * add any options defined in smb.conf |
---|
638 | */ |
---|
639 | |
---|
640 | num_options = 0; |
---|
641 | options = NULL; |
---|
642 | num_options = cupsParseOptions(lp_cups_options(snum), num_options, &options); |
---|
643 | |
---|
644 | if ( num_options ) |
---|
645 | cupsEncodeOptions(request, num_options, options); |
---|
646 | |
---|
647 | /* |
---|
648 | * Do the request and get back a response... |
---|
649 | */ |
---|
650 | |
---|
651 | slprintf(uri, sizeof(uri) - 1, "/printers/%s", PRINTERNAME(snum)); |
---|
652 | |
---|
653 | if ((response = cupsDoFileRequest(http, request, uri, pjob->filename)) != NULL) { |
---|
654 | if (response->request.status.status_code >= IPP_OK_CONFLICT) { |
---|
655 | DEBUG(0,("Unable to print file to %s - %s\n", PRINTERNAME(snum), |
---|
656 | ippErrorString(cupsLastError()))); |
---|
657 | } else { |
---|
658 | ret = 0; |
---|
659 | } |
---|
660 | } else { |
---|
661 | DEBUG(0,("Unable to print file to `%s' - %s\n", PRINTERNAME(snum), |
---|
662 | ippErrorString(cupsLastError()))); |
---|
663 | } |
---|
664 | |
---|
665 | if ( ret == 0 ) |
---|
666 | unlink(pjob->filename); |
---|
667 | /* else print_job_end will do it for us */ |
---|
668 | |
---|
669 | out: |
---|
670 | if (response) |
---|
671 | ippDelete(response); |
---|
672 | |
---|
673 | if (language) |
---|
674 | cupsLangFree(language); |
---|
675 | |
---|
676 | if (http) |
---|
677 | httpClose(http); |
---|
678 | |
---|
679 | return ret; |
---|
680 | } |
---|
681 | |
---|
682 | /* |
---|
683 | * 'cups_queue_get()' - Get all the jobs in the print queue. |
---|
684 | */ |
---|
685 | |
---|
686 | static int cups_queue_get(const char *sharename, |
---|
687 | enum printing_types printing_type, |
---|
688 | char *lpq_command, |
---|
689 | print_queue_struct **q, |
---|
690 | print_status_struct *status) |
---|
691 | { |
---|
692 | fstring printername; |
---|
693 | http_t *http = NULL; /* HTTP connection to server */ |
---|
694 | ipp_t *request = NULL, /* IPP Request */ |
---|
695 | *response = NULL; /* IPP Response */ |
---|
696 | ipp_attribute_t *attr = NULL; /* Current attribute */ |
---|
697 | cups_lang_t *language = NULL; /* Default language */ |
---|
698 | char uri[HTTP_MAX_URI]; /* printer-uri attribute */ |
---|
699 | int qcount = 0, /* Number of active queue entries */ |
---|
700 | qalloc = 0; /* Number of queue entries allocated */ |
---|
701 | print_queue_struct *queue = NULL, /* Queue entries */ |
---|
702 | *temp; /* Temporary pointer for queue */ |
---|
703 | const char *user_name, /* job-originating-user-name attribute */ |
---|
704 | *job_name; /* job-name attribute */ |
---|
705 | int job_id; /* job-id attribute */ |
---|
706 | int job_k_octets; /* job-k-octets attribute */ |
---|
707 | time_t job_time; /* time-at-creation attribute */ |
---|
708 | ipp_jstate_t job_status; /* job-status attribute */ |
---|
709 | int job_priority; /* job-priority attribute */ |
---|
710 | static const char *jattrs[] = /* Requested job attributes */ |
---|
711 | { |
---|
712 | "job-id", |
---|
713 | "job-k-octets", |
---|
714 | "job-name", |
---|
715 | "job-originating-user-name", |
---|
716 | "job-priority", |
---|
717 | "job-state", |
---|
718 | "time-at-creation", |
---|
719 | }; |
---|
720 | static const char *pattrs[] = /* Requested printer attributes */ |
---|
721 | { |
---|
722 | "printer-state", |
---|
723 | "printer-state-message" |
---|
724 | }; |
---|
725 | |
---|
726 | *q = NULL; |
---|
727 | |
---|
728 | /* HACK ALERT!!! The problem with support the 'printer name' |
---|
729 | option is that we key the tdb off the sharename. So we will |
---|
730 | overload the lpq_command string to pass in the printername |
---|
731 | (which is basically what we do for non-cups printers ... using |
---|
732 | the lpq_command to get the queue listing). */ |
---|
733 | |
---|
734 | fstrcpy( printername, lpq_command ); |
---|
735 | |
---|
736 | DEBUG(5,("cups_queue_get(%s, %p, %p)\n", printername, q, status)); |
---|
737 | |
---|
738 | /* |
---|
739 | * Make sure we don't ask for passwords... |
---|
740 | */ |
---|
741 | |
---|
742 | cupsSetPasswordCB(cups_passwd_cb); |
---|
743 | |
---|
744 | /* |
---|
745 | * Try to connect to the server... |
---|
746 | */ |
---|
747 | |
---|
748 | if ((http = cups_connect()) == NULL) { |
---|
749 | goto out; |
---|
750 | } |
---|
751 | |
---|
752 | /* |
---|
753 | * Generate the printer URI... |
---|
754 | */ |
---|
755 | |
---|
756 | slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s", printername); |
---|
757 | |
---|
758 | /* |
---|
759 | * Build an IPP_GET_JOBS request, which requires the following |
---|
760 | * attributes: |
---|
761 | * |
---|
762 | * attributes-charset |
---|
763 | * attributes-natural-language |
---|
764 | * requested-attributes |
---|
765 | * printer-uri |
---|
766 | */ |
---|
767 | |
---|
768 | request = ippNew(); |
---|
769 | |
---|
770 | request->request.op.operation_id = IPP_GET_JOBS; |
---|
771 | request->request.op.request_id = 1; |
---|
772 | |
---|
773 | language = cupsLangDefault(); |
---|
774 | |
---|
775 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
---|
776 | "attributes-charset", NULL, cupsLangEncoding(language)); |
---|
777 | |
---|
778 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
---|
779 | "attributes-natural-language", NULL, language->language); |
---|
780 | |
---|
781 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME, |
---|
782 | "requested-attributes", |
---|
783 | (sizeof(jattrs) / sizeof(jattrs[0])), |
---|
784 | NULL, jattrs); |
---|
785 | |
---|
786 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, |
---|
787 | "printer-uri", NULL, uri); |
---|
788 | |
---|
789 | /* |
---|
790 | * Do the request and get back a response... |
---|
791 | */ |
---|
792 | |
---|
793 | if ((response = cupsDoRequest(http, request, "/")) == NULL) { |
---|
794 | DEBUG(0,("Unable to get jobs for %s - %s\n", uri, |
---|
795 | ippErrorString(cupsLastError()))); |
---|
796 | goto out; |
---|
797 | } |
---|
798 | |
---|
799 | if (response->request.status.status_code >= IPP_OK_CONFLICT) { |
---|
800 | DEBUG(0,("Unable to get jobs for %s - %s\n", uri, |
---|
801 | ippErrorString(response->request.status.status_code))); |
---|
802 | goto out; |
---|
803 | } |
---|
804 | |
---|
805 | /* |
---|
806 | * Process the jobs... |
---|
807 | */ |
---|
808 | |
---|
809 | qcount = 0; |
---|
810 | qalloc = 0; |
---|
811 | queue = NULL; |
---|
812 | |
---|
813 | for (attr = response->attrs; attr != NULL; attr = attr->next) { |
---|
814 | /* |
---|
815 | * Skip leading attributes until we hit a job... |
---|
816 | */ |
---|
817 | |
---|
818 | while (attr != NULL && attr->group_tag != IPP_TAG_JOB) |
---|
819 | attr = attr->next; |
---|
820 | |
---|
821 | if (attr == NULL) |
---|
822 | break; |
---|
823 | |
---|
824 | /* |
---|
825 | * Allocate memory as needed... |
---|
826 | */ |
---|
827 | if (qcount >= qalloc) { |
---|
828 | qalloc += 16; |
---|
829 | |
---|
830 | queue = SMB_REALLOC_ARRAY(queue, print_queue_struct, qalloc); |
---|
831 | |
---|
832 | if (queue == NULL) { |
---|
833 | DEBUG(0,("cups_queue_get: Not enough memory!")); |
---|
834 | qcount = 0; |
---|
835 | goto out; |
---|
836 | } |
---|
837 | } |
---|
838 | |
---|
839 | temp = queue + qcount; |
---|
840 | memset(temp, 0, sizeof(print_queue_struct)); |
---|
841 | |
---|
842 | /* |
---|
843 | * Pull the needed attributes from this job... |
---|
844 | */ |
---|
845 | |
---|
846 | job_id = 0; |
---|
847 | job_priority = 50; |
---|
848 | job_status = IPP_JOB_PENDING; |
---|
849 | job_time = 0; |
---|
850 | job_k_octets = 0; |
---|
851 | user_name = NULL; |
---|
852 | job_name = NULL; |
---|
853 | |
---|
854 | while (attr != NULL && attr->group_tag == IPP_TAG_JOB) { |
---|
855 | if (attr->name == NULL) { |
---|
856 | attr = attr->next; |
---|
857 | break; |
---|
858 | } |
---|
859 | |
---|
860 | if (strcmp(attr->name, "job-id") == 0 && |
---|
861 | attr->value_tag == IPP_TAG_INTEGER) |
---|
862 | job_id = attr->values[0].integer; |
---|
863 | |
---|
864 | if (strcmp(attr->name, "job-k-octets") == 0 && |
---|
865 | attr->value_tag == IPP_TAG_INTEGER) |
---|
866 | job_k_octets = attr->values[0].integer; |
---|
867 | |
---|
868 | if (strcmp(attr->name, "job-priority") == 0 && |
---|
869 | attr->value_tag == IPP_TAG_INTEGER) |
---|
870 | job_priority = attr->values[0].integer; |
---|
871 | |
---|
872 | if (strcmp(attr->name, "job-state") == 0 && |
---|
873 | attr->value_tag == IPP_TAG_ENUM) |
---|
874 | job_status = (ipp_jstate_t)(attr->values[0].integer); |
---|
875 | |
---|
876 | if (strcmp(attr->name, "time-at-creation") == 0 && |
---|
877 | attr->value_tag == IPP_TAG_INTEGER) |
---|
878 | job_time = attr->values[0].integer; |
---|
879 | |
---|
880 | if (strcmp(attr->name, "job-name") == 0 && |
---|
881 | attr->value_tag == IPP_TAG_NAME) |
---|
882 | job_name = attr->values[0].string.text; |
---|
883 | |
---|
884 | if (strcmp(attr->name, "job-originating-user-name") == 0 && |
---|
885 | attr->value_tag == IPP_TAG_NAME) |
---|
886 | user_name = attr->values[0].string.text; |
---|
887 | |
---|
888 | attr = attr->next; |
---|
889 | } |
---|
890 | |
---|
891 | /* |
---|
892 | * See if we have everything needed... |
---|
893 | */ |
---|
894 | |
---|
895 | if (user_name == NULL || job_name == NULL || job_id == 0) { |
---|
896 | if (attr == NULL) |
---|
897 | break; |
---|
898 | else |
---|
899 | continue; |
---|
900 | } |
---|
901 | |
---|
902 | temp->job = job_id; |
---|
903 | temp->size = job_k_octets * 1024; |
---|
904 | temp->status = job_status == IPP_JOB_PENDING ? LPQ_QUEUED : |
---|
905 | job_status == IPP_JOB_STOPPED ? LPQ_PAUSED : |
---|
906 | job_status == IPP_JOB_HELD ? LPQ_PAUSED : |
---|
907 | LPQ_PRINTING; |
---|
908 | temp->priority = job_priority; |
---|
909 | temp->time = job_time; |
---|
910 | strncpy(temp->fs_user, user_name, sizeof(temp->fs_user) - 1); |
---|
911 | strncpy(temp->fs_file, job_name, sizeof(temp->fs_file) - 1); |
---|
912 | |
---|
913 | qcount ++; |
---|
914 | |
---|
915 | if (attr == NULL) |
---|
916 | break; |
---|
917 | } |
---|
918 | |
---|
919 | ippDelete(response); |
---|
920 | response = NULL; |
---|
921 | |
---|
922 | /* |
---|
923 | * Build an IPP_GET_PRINTER_ATTRIBUTES request, which requires the |
---|
924 | * following attributes: |
---|
925 | * |
---|
926 | * attributes-charset |
---|
927 | * attributes-natural-language |
---|
928 | * requested-attributes |
---|
929 | * printer-uri |
---|
930 | */ |
---|
931 | |
---|
932 | request = ippNew(); |
---|
933 | |
---|
934 | request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES; |
---|
935 | request->request.op.request_id = 1; |
---|
936 | |
---|
937 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
---|
938 | "attributes-charset", NULL, cupsLangEncoding(language)); |
---|
939 | |
---|
940 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
---|
941 | "attributes-natural-language", NULL, language->language); |
---|
942 | |
---|
943 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME, |
---|
944 | "requested-attributes", |
---|
945 | (sizeof(pattrs) / sizeof(pattrs[0])), |
---|
946 | NULL, pattrs); |
---|
947 | |
---|
948 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, |
---|
949 | "printer-uri", NULL, uri); |
---|
950 | |
---|
951 | /* |
---|
952 | * Do the request and get back a response... |
---|
953 | */ |
---|
954 | |
---|
955 | if ((response = cupsDoRequest(http, request, "/")) == NULL) { |
---|
956 | DEBUG(0,("Unable to get printer status for %s - %s\n", printername, |
---|
957 | ippErrorString(cupsLastError()))); |
---|
958 | *q = queue; |
---|
959 | goto out; |
---|
960 | } |
---|
961 | |
---|
962 | if (response->request.status.status_code >= IPP_OK_CONFLICT) { |
---|
963 | DEBUG(0,("Unable to get printer status for %s - %s\n", printername, |
---|
964 | ippErrorString(response->request.status.status_code))); |
---|
965 | *q = queue; |
---|
966 | goto out; |
---|
967 | } |
---|
968 | |
---|
969 | /* |
---|
970 | * Get the current printer status and convert it to the SAMBA values. |
---|
971 | */ |
---|
972 | |
---|
973 | if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL) { |
---|
974 | if (attr->values[0].integer == IPP_PRINTER_STOPPED) |
---|
975 | status->status = LPSTAT_STOPPED; |
---|
976 | else |
---|
977 | status->status = LPSTAT_OK; |
---|
978 | } |
---|
979 | |
---|
980 | if ((attr = ippFindAttribute(response, "printer-state-message", |
---|
981 | IPP_TAG_TEXT)) != NULL) |
---|
982 | fstrcpy(status->message, attr->values[0].string.text); |
---|
983 | |
---|
984 | /* |
---|
985 | * Return the job queue... |
---|
986 | */ |
---|
987 | |
---|
988 | *q = queue; |
---|
989 | |
---|
990 | out: |
---|
991 | if (response) |
---|
992 | ippDelete(response); |
---|
993 | |
---|
994 | if (language) |
---|
995 | cupsLangFree(language); |
---|
996 | |
---|
997 | if (http) |
---|
998 | httpClose(http); |
---|
999 | |
---|
1000 | return qcount; |
---|
1001 | } |
---|
1002 | |
---|
1003 | |
---|
1004 | /* |
---|
1005 | * 'cups_queue_pause()' - Pause a print queue. |
---|
1006 | */ |
---|
1007 | |
---|
1008 | static int cups_queue_pause(int snum) |
---|
1009 | { |
---|
1010 | int ret = 1; /* Return value */ |
---|
1011 | http_t *http = NULL; /* HTTP connection to server */ |
---|
1012 | ipp_t *request = NULL, /* IPP Request */ |
---|
1013 | *response = NULL; /* IPP Response */ |
---|
1014 | cups_lang_t *language = NULL; /* Default language */ |
---|
1015 | char uri[HTTP_MAX_URI]; /* printer-uri attribute */ |
---|
1016 | |
---|
1017 | |
---|
1018 | DEBUG(5,("cups_queue_pause(%d)\n", snum)); |
---|
1019 | |
---|
1020 | /* |
---|
1021 | * Make sure we don't ask for passwords... |
---|
1022 | */ |
---|
1023 | |
---|
1024 | cupsSetPasswordCB(cups_passwd_cb); |
---|
1025 | |
---|
1026 | /* |
---|
1027 | * Try to connect to the server... |
---|
1028 | */ |
---|
1029 | |
---|
1030 | if ((http = cups_connect()) == NULL) { |
---|
1031 | goto out; |
---|
1032 | } |
---|
1033 | |
---|
1034 | /* |
---|
1035 | * Build an IPP_PAUSE_PRINTER request, which requires the following |
---|
1036 | * attributes: |
---|
1037 | * |
---|
1038 | * attributes-charset |
---|
1039 | * attributes-natural-language |
---|
1040 | * printer-uri |
---|
1041 | * requesting-user-name |
---|
1042 | */ |
---|
1043 | |
---|
1044 | request = ippNew(); |
---|
1045 | |
---|
1046 | request->request.op.operation_id = IPP_PAUSE_PRINTER; |
---|
1047 | request->request.op.request_id = 1; |
---|
1048 | |
---|
1049 | language = cupsLangDefault(); |
---|
1050 | |
---|
1051 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
---|
1052 | "attributes-charset", NULL, cupsLangEncoding(language)); |
---|
1053 | |
---|
1054 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
---|
1055 | "attributes-natural-language", NULL, language->language); |
---|
1056 | |
---|
1057 | slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s", |
---|
1058 | PRINTERNAME(snum)); |
---|
1059 | |
---|
1060 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri); |
---|
1061 | |
---|
1062 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", |
---|
1063 | NULL, current_user_info.unix_name); |
---|
1064 | |
---|
1065 | /* |
---|
1066 | * Do the request and get back a response... |
---|
1067 | */ |
---|
1068 | |
---|
1069 | if ((response = cupsDoRequest(http, request, "/admin/")) != NULL) { |
---|
1070 | if (response->request.status.status_code >= IPP_OK_CONFLICT) { |
---|
1071 | DEBUG(0,("Unable to pause printer %s - %s\n", PRINTERNAME(snum), |
---|
1072 | ippErrorString(cupsLastError()))); |
---|
1073 | } else { |
---|
1074 | ret = 0; |
---|
1075 | } |
---|
1076 | } else { |
---|
1077 | DEBUG(0,("Unable to pause printer %s - %s\n", PRINTERNAME(snum), |
---|
1078 | ippErrorString(cupsLastError()))); |
---|
1079 | } |
---|
1080 | |
---|
1081 | out: |
---|
1082 | if (response) |
---|
1083 | ippDelete(response); |
---|
1084 | |
---|
1085 | if (language) |
---|
1086 | cupsLangFree(language); |
---|
1087 | |
---|
1088 | if (http) |
---|
1089 | httpClose(http); |
---|
1090 | |
---|
1091 | return ret; |
---|
1092 | } |
---|
1093 | |
---|
1094 | |
---|
1095 | /* |
---|
1096 | * 'cups_queue_resume()' - Restart a print queue. |
---|
1097 | */ |
---|
1098 | |
---|
1099 | static int cups_queue_resume(int snum) |
---|
1100 | { |
---|
1101 | int ret = 1; /* Return value */ |
---|
1102 | http_t *http = NULL; /* HTTP connection to server */ |
---|
1103 | ipp_t *request = NULL, /* IPP Request */ |
---|
1104 | *response = NULL; /* IPP Response */ |
---|
1105 | cups_lang_t *language = NULL; /* Default language */ |
---|
1106 | char uri[HTTP_MAX_URI]; /* printer-uri attribute */ |
---|
1107 | |
---|
1108 | |
---|
1109 | DEBUG(5,("cups_queue_resume(%d)\n", snum)); |
---|
1110 | |
---|
1111 | /* |
---|
1112 | * Make sure we don't ask for passwords... |
---|
1113 | */ |
---|
1114 | |
---|
1115 | cupsSetPasswordCB(cups_passwd_cb); |
---|
1116 | |
---|
1117 | /* |
---|
1118 | * Try to connect to the server... |
---|
1119 | */ |
---|
1120 | |
---|
1121 | if ((http = cups_connect()) == NULL) { |
---|
1122 | goto out; |
---|
1123 | } |
---|
1124 | |
---|
1125 | /* |
---|
1126 | * Build an IPP_RESUME_PRINTER request, which requires the following |
---|
1127 | * attributes: |
---|
1128 | * |
---|
1129 | * attributes-charset |
---|
1130 | * attributes-natural-language |
---|
1131 | * printer-uri |
---|
1132 | * requesting-user-name |
---|
1133 | */ |
---|
1134 | |
---|
1135 | request = ippNew(); |
---|
1136 | |
---|
1137 | request->request.op.operation_id = IPP_RESUME_PRINTER; |
---|
1138 | request->request.op.request_id = 1; |
---|
1139 | |
---|
1140 | language = cupsLangDefault(); |
---|
1141 | |
---|
1142 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
---|
1143 | "attributes-charset", NULL, cupsLangEncoding(language)); |
---|
1144 | |
---|
1145 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
---|
1146 | "attributes-natural-language", NULL, language->language); |
---|
1147 | |
---|
1148 | slprintf(uri, sizeof(uri) - 1, "ipp://localhost/printers/%s", |
---|
1149 | PRINTERNAME(snum)); |
---|
1150 | |
---|
1151 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri); |
---|
1152 | |
---|
1153 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", |
---|
1154 | NULL, current_user_info.unix_name); |
---|
1155 | |
---|
1156 | /* |
---|
1157 | * Do the request and get back a response... |
---|
1158 | */ |
---|
1159 | |
---|
1160 | if ((response = cupsDoRequest(http, request, "/admin/")) != NULL) { |
---|
1161 | if (response->request.status.status_code >= IPP_OK_CONFLICT) { |
---|
1162 | DEBUG(0,("Unable to resume printer %s - %s\n", PRINTERNAME(snum), |
---|
1163 | ippErrorString(cupsLastError()))); |
---|
1164 | } else { |
---|
1165 | ret = 0; |
---|
1166 | } |
---|
1167 | } else { |
---|
1168 | DEBUG(0,("Unable to resume printer %s - %s\n", PRINTERNAME(snum), |
---|
1169 | ippErrorString(cupsLastError()))); |
---|
1170 | } |
---|
1171 | |
---|
1172 | out: |
---|
1173 | if (response) |
---|
1174 | ippDelete(response); |
---|
1175 | |
---|
1176 | if (language) |
---|
1177 | cupsLangFree(language); |
---|
1178 | |
---|
1179 | if (http) |
---|
1180 | httpClose(http); |
---|
1181 | |
---|
1182 | return ret; |
---|
1183 | } |
---|
1184 | |
---|
1185 | /******************************************************************* |
---|
1186 | * CUPS printing interface definitions... |
---|
1187 | ******************************************************************/ |
---|
1188 | |
---|
1189 | struct printif cups_printif = |
---|
1190 | { |
---|
1191 | PRINT_CUPS, |
---|
1192 | cups_queue_get, |
---|
1193 | cups_queue_pause, |
---|
1194 | cups_queue_resume, |
---|
1195 | cups_job_delete, |
---|
1196 | cups_job_pause, |
---|
1197 | cups_job_resume, |
---|
1198 | cups_job_submit, |
---|
1199 | }; |
---|
1200 | |
---|
1201 | BOOL cups_pull_comment_location(NT_PRINTER_INFO_LEVEL_2 *printer) |
---|
1202 | { |
---|
1203 | http_t *http = NULL; /* HTTP connection to server */ |
---|
1204 | ipp_t *request = NULL, /* IPP Request */ |
---|
1205 | *response = NULL; /* IPP Response */ |
---|
1206 | ipp_attribute_t *attr; /* Current attribute */ |
---|
1207 | cups_lang_t *language = NULL; /* Default language */ |
---|
1208 | char *name, /* printer-name attribute */ |
---|
1209 | *info, /* printer-info attribute */ |
---|
1210 | *location; /* printer-location attribute */ |
---|
1211 | char uri[HTTP_MAX_URI]; |
---|
1212 | static const char *requested[] =/* Requested attributes */ |
---|
1213 | { |
---|
1214 | "printer-name", |
---|
1215 | "printer-info", |
---|
1216 | "printer-location" |
---|
1217 | }; |
---|
1218 | BOOL ret = False; |
---|
1219 | |
---|
1220 | DEBUG(5, ("pulling %s location\n", printer->sharename)); |
---|
1221 | |
---|
1222 | /* |
---|
1223 | * Make sure we don't ask for passwords... |
---|
1224 | */ |
---|
1225 | |
---|
1226 | cupsSetPasswordCB(cups_passwd_cb); |
---|
1227 | |
---|
1228 | /* |
---|
1229 | * Try to connect to the server... |
---|
1230 | */ |
---|
1231 | |
---|
1232 | if ((http = cups_connect()) == NULL) { |
---|
1233 | goto out; |
---|
1234 | } |
---|
1235 | |
---|
1236 | request = ippNew(); |
---|
1237 | |
---|
1238 | request->request.op.operation_id = IPP_GET_PRINTER_ATTRIBUTES; |
---|
1239 | request->request.op.request_id = 1; |
---|
1240 | |
---|
1241 | language = cupsLangDefault(); |
---|
1242 | |
---|
1243 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
---|
1244 | "attributes-charset", NULL, cupsLangEncoding(language)); |
---|
1245 | |
---|
1246 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
---|
1247 | "attributes-natural-language", NULL, language->language); |
---|
1248 | |
---|
1249 | slprintf(uri, sizeof(uri) - 1, "ipp://%s/printers/%s", |
---|
1250 | lp_cups_server(), printer->sharename); |
---|
1251 | |
---|
1252 | ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, |
---|
1253 | "printer-uri", NULL, uri); |
---|
1254 | |
---|
1255 | ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_NAME, |
---|
1256 | "requested-attributes", |
---|
1257 | (sizeof(requested) / sizeof(requested[0])), |
---|
1258 | NULL, requested); |
---|
1259 | |
---|
1260 | /* |
---|
1261 | * Do the request and get back a response... |
---|
1262 | */ |
---|
1263 | |
---|
1264 | if ((response = cupsDoRequest(http, request, "/")) == NULL) { |
---|
1265 | DEBUG(0,("Unable to get printer attributes - %s\n", |
---|
1266 | ippErrorString(cupsLastError()))); |
---|
1267 | goto out; |
---|
1268 | } |
---|
1269 | |
---|
1270 | for (attr = response->attrs; attr != NULL;) { |
---|
1271 | /* |
---|
1272 | * Skip leading attributes until we hit a printer... |
---|
1273 | */ |
---|
1274 | |
---|
1275 | while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER) |
---|
1276 | attr = attr->next; |
---|
1277 | |
---|
1278 | if (attr == NULL) |
---|
1279 | break; |
---|
1280 | |
---|
1281 | /* |
---|
1282 | * Pull the needed attributes from this printer... |
---|
1283 | */ |
---|
1284 | |
---|
1285 | name = NULL; |
---|
1286 | info = NULL; |
---|
1287 | location = NULL; |
---|
1288 | |
---|
1289 | while ( attr && (attr->group_tag == IPP_TAG_PRINTER) ) { |
---|
1290 | /* Grab the comment if we don't have one */ |
---|
1291 | if ( (strcmp(attr->name, "printer-info") == 0) |
---|
1292 | && (attr->value_tag == IPP_TAG_TEXT) |
---|
1293 | && !strlen(printer->comment) ) |
---|
1294 | { |
---|
1295 | DEBUG(5,("cups_pull_comment_location: Using cups comment: %s\n", |
---|
1296 | attr->values[0].string.text)); |
---|
1297 | pstrcpy(printer->comment,attr->values[0].string.text); |
---|
1298 | } |
---|
1299 | |
---|
1300 | /* Grab the location if we don't have one */ |
---|
1301 | if ( (strcmp(attr->name, "printer-location") == 0) |
---|
1302 | && (attr->value_tag == IPP_TAG_TEXT) |
---|
1303 | && !strlen(printer->location) ) |
---|
1304 | { |
---|
1305 | DEBUG(5,("cups_pull_comment_location: Using cups location: %s\n", |
---|
1306 | attr->values[0].string.text)); |
---|
1307 | fstrcpy(printer->location,attr->values[0].string.text); |
---|
1308 | } |
---|
1309 | |
---|
1310 | attr = attr->next; |
---|
1311 | } |
---|
1312 | |
---|
1313 | /* |
---|
1314 | * See if we have everything needed... |
---|
1315 | */ |
---|
1316 | |
---|
1317 | if (name == NULL) |
---|
1318 | break; |
---|
1319 | |
---|
1320 | } |
---|
1321 | |
---|
1322 | ippDelete(response); |
---|
1323 | response = NULL; |
---|
1324 | |
---|
1325 | ret = True; |
---|
1326 | |
---|
1327 | out: |
---|
1328 | if (response) |
---|
1329 | ippDelete(response); |
---|
1330 | |
---|
1331 | if (language) |
---|
1332 | cupsLangFree(language); |
---|
1333 | |
---|
1334 | if (http) |
---|
1335 | httpClose(http); |
---|
1336 | |
---|
1337 | return ret; |
---|
1338 | } |
---|
1339 | |
---|
1340 | #else |
---|
1341 | /* this keeps fussy compilers happy */ |
---|
1342 | void print_cups_dummy(void); |
---|
1343 | void print_cups_dummy(void) {} |
---|
1344 | #endif /* HAVE_CUPS */ |
---|