1 | /***************************************************************************
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2 | * _ _ ____ _
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3 | * Project ___| | | | _ \| |
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4 | * / __| | | | |_) | |
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5 | * | (__| |_| | _ <| |___
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6 | * \___|\___/|_| \_\_____|
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7 | *
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8 | * Copyright (C) 2010, 2017, Howard Chu, <hyc@openldap.org>
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9 | * Copyright (C) 2011 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
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10 | *
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11 | * This software is licensed as described in the file COPYING, which
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12 | * you should have received as part of this distribution. The terms
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13 | * are also available at https://curl.haxx.se/docs/copyright.html.
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14 | *
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15 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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16 | * copies of the Software, and permit persons to whom the Software is
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17 | * furnished to do so, under the terms of the COPYING file.
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18 | *
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19 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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20 | * KIND, either express or implied.
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21 | *
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22 | ***************************************************************************/
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23 |
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24 | #include "curl_setup.h"
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25 |
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26 | #if !defined(CURL_DISABLE_LDAP) && defined(USE_OPENLDAP)
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27 |
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28 | /*
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29 | * Notice that USE_OPENLDAP is only a source code selection switch. When
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30 | * libcurl is built with USE_OPENLDAP defined the libcurl source code that
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31 | * gets compiled is the code from openldap.c, otherwise the code that gets
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32 | * compiled is the code from ldap.c.
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33 | *
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34 | * When USE_OPENLDAP is defined a recent version of the OpenLDAP library
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35 | * might be required for compilation and runtime. In order to use ancient
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36 | * OpenLDAP library versions, USE_OPENLDAP shall not be defined.
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37 | */
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38 |
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39 | #include <ldap.h>
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40 |
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41 | #include "urldata.h"
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42 | #include <curl/curl.h>
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43 | #include "sendf.h"
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44 | #include "vtls/vtls.h"
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45 | #include "transfer.h"
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46 | #include "curl_ldap.h"
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47 | #include "curl_base64.h"
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48 | #include "connect.h"
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49 | /* The last 3 #include files should be in this order */
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50 | #include "curl_printf.h"
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51 | #include "curl_memory.h"
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52 | #include "memdebug.h"
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53 |
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54 | #ifndef _LDAP_PVT_H
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55 | extern int ldap_pvt_url_scheme2proto(const char *);
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56 | extern int ldap_init_fd(ber_socket_t fd, int proto, const char *url,
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57 | LDAP **ld);
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58 | #endif
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59 |
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60 | static CURLcode ldap_setup_connection(struct connectdata *conn);
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61 | static CURLcode ldap_do(struct connectdata *conn, bool *done);
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62 | static CURLcode ldap_done(struct connectdata *conn, CURLcode, bool);
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63 | static CURLcode ldap_connect(struct connectdata *conn, bool *done);
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64 | static CURLcode ldap_connecting(struct connectdata *conn, bool *done);
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65 | static CURLcode ldap_disconnect(struct connectdata *conn, bool dead);
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66 |
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67 | static Curl_recv ldap_recv;
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68 |
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69 | /*
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70 | * LDAP protocol handler.
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71 | */
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72 |
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73 | const struct Curl_handler Curl_handler_ldap = {
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74 | "LDAP", /* scheme */
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75 | ldap_setup_connection, /* setup_connection */
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76 | ldap_do, /* do_it */
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77 | ldap_done, /* done */
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78 | ZERO_NULL, /* do_more */
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79 | ldap_connect, /* connect_it */
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80 | ldap_connecting, /* connecting */
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81 | ZERO_NULL, /* doing */
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82 | ZERO_NULL, /* proto_getsock */
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83 | ZERO_NULL, /* doing_getsock */
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84 | ZERO_NULL, /* domore_getsock */
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85 | ZERO_NULL, /* perform_getsock */
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86 | ldap_disconnect, /* disconnect */
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87 | ZERO_NULL, /* readwrite */
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88 | ZERO_NULL, /* connection_check */
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89 | PORT_LDAP, /* defport */
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90 | CURLPROTO_LDAP, /* protocol */
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91 | PROTOPT_NONE /* flags */
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92 | };
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93 |
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94 | #ifdef USE_SSL
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95 | /*
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96 | * LDAPS protocol handler.
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97 | */
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98 |
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99 | const struct Curl_handler Curl_handler_ldaps = {
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100 | "LDAPS", /* scheme */
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101 | ldap_setup_connection, /* setup_connection */
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102 | ldap_do, /* do_it */
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103 | ldap_done, /* done */
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104 | ZERO_NULL, /* do_more */
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105 | ldap_connect, /* connect_it */
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106 | ldap_connecting, /* connecting */
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107 | ZERO_NULL, /* doing */
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108 | ZERO_NULL, /* proto_getsock */
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109 | ZERO_NULL, /* doing_getsock */
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110 | ZERO_NULL, /* domore_getsock */
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111 | ZERO_NULL, /* perform_getsock */
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112 | ldap_disconnect, /* disconnect */
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113 | ZERO_NULL, /* readwrite */
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114 | ZERO_NULL, /* connection_check */
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115 | PORT_LDAPS, /* defport */
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116 | CURLPROTO_LDAP, /* protocol */
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117 | PROTOPT_SSL /* flags */
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118 | };
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119 | #endif
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120 |
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121 | static const char *url_errs[] = {
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122 | "success",
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123 | "out of memory",
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124 | "bad parameter",
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125 | "unrecognized scheme",
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126 | "unbalanced delimiter",
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127 | "bad URL",
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128 | "bad host or port",
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129 | "bad or missing attributes",
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130 | "bad or missing scope",
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131 | "bad or missing filter",
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132 | "bad or missing extensions"
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133 | };
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134 |
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135 | typedef struct ldapconninfo {
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136 | LDAP *ld;
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137 | Curl_recv *recv; /* for stacking SSL handler */
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138 | Curl_send *send;
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139 | int proto;
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140 | int msgid;
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141 | bool ssldone;
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142 | bool sslinst;
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143 | bool didbind;
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144 | } ldapconninfo;
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145 |
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146 | typedef struct ldapreqinfo {
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147 | int msgid;
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148 | int nument;
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149 | } ldapreqinfo;
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150 |
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151 | static CURLcode ldap_setup_connection(struct connectdata *conn)
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152 | {
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153 | ldapconninfo *li;
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154 | LDAPURLDesc *lud;
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155 | struct Curl_easy *data = conn->data;
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156 | int rc, proto;
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157 | CURLcode status;
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158 |
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159 | rc = ldap_url_parse(data->change.url, &lud);
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160 | if(rc != LDAP_URL_SUCCESS) {
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161 | const char *msg = "url parsing problem";
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162 | status = CURLE_URL_MALFORMAT;
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163 | if(rc > LDAP_URL_SUCCESS && rc <= LDAP_URL_ERR_BADEXTS) {
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164 | if(rc == LDAP_URL_ERR_MEM)
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165 | status = CURLE_OUT_OF_MEMORY;
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166 | msg = url_errs[rc];
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167 | }
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168 | failf(conn->data, "LDAP local: %s", msg);
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169 | return status;
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170 | }
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171 | proto = ldap_pvt_url_scheme2proto(lud->lud_scheme);
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172 | ldap_free_urldesc(lud);
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173 |
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174 | li = calloc(1, sizeof(ldapconninfo));
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175 | if(!li)
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176 | return CURLE_OUT_OF_MEMORY;
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177 | li->proto = proto;
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178 | conn->proto.generic = li;
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179 | connkeep(conn, "OpenLDAP default");
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180 | /* TODO:
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181 | * - provide option to choose SASL Binds instead of Simple
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182 | */
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183 | return CURLE_OK;
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184 | }
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185 |
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186 | #ifdef USE_SSL
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187 | static Sockbuf_IO ldapsb_tls;
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188 | #endif
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189 |
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190 | static CURLcode ldap_connect(struct connectdata *conn, bool *done)
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191 | {
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192 | ldapconninfo *li = conn->proto.generic;
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193 | struct Curl_easy *data = conn->data;
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194 | int rc, proto = LDAP_VERSION3;
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195 | char hosturl[1024];
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196 | char *ptr;
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197 |
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198 | (void)done;
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199 |
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200 | strcpy(hosturl, "ldap");
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201 | ptr = hosturl + 4;
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202 | if(conn->handler->flags & PROTOPT_SSL)
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203 | *ptr++ = 's';
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204 | snprintf(ptr, sizeof(hosturl)-(ptr-hosturl), "://%s:%d",
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205 | conn->host.name, conn->remote_port);
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206 |
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207 | rc = ldap_init_fd(conn->sock[FIRSTSOCKET], li->proto, hosturl, &li->ld);
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208 | if(rc) {
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209 | failf(data, "LDAP local: Cannot connect to %s, %s",
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210 | hosturl, ldap_err2string(rc));
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211 | return CURLE_COULDNT_CONNECT;
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212 | }
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213 |
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214 | ldap_set_option(li->ld, LDAP_OPT_PROTOCOL_VERSION, &proto);
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215 |
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216 | #ifdef USE_SSL
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217 | if(conn->handler->flags & PROTOPT_SSL) {
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218 | CURLcode result;
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219 | result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET, &li->ssldone);
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220 | if(result)
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221 | return result;
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222 | }
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223 | #endif
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224 |
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225 | return CURLE_OK;
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226 | }
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227 |
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228 | static CURLcode ldap_connecting(struct connectdata *conn, bool *done)
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229 | {
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230 | ldapconninfo *li = conn->proto.generic;
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231 | struct Curl_easy *data = conn->data;
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232 | LDAPMessage *msg = NULL;
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233 | struct timeval tv = {0, 1}, *tvp;
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234 | int rc, err;
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235 | char *info = NULL;
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236 |
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237 | #ifdef USE_SSL
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238 | if(conn->handler->flags & PROTOPT_SSL) {
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239 | /* Is the SSL handshake complete yet? */
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240 | if(!li->ssldone) {
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241 | CURLcode result = Curl_ssl_connect_nonblocking(conn, FIRSTSOCKET,
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242 | &li->ssldone);
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243 | if(result || !li->ssldone)
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244 | return result;
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245 | }
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246 |
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247 | /* Have we installed the libcurl SSL handlers into the sockbuf yet? */
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248 | if(!li->sslinst) {
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249 | Sockbuf *sb;
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250 | ldap_get_option(li->ld, LDAP_OPT_SOCKBUF, &sb);
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251 | ber_sockbuf_add_io(sb, &ldapsb_tls, LBER_SBIOD_LEVEL_TRANSPORT, conn);
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252 | li->sslinst = TRUE;
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253 | li->recv = conn->recv[FIRSTSOCKET];
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254 | li->send = conn->send[FIRSTSOCKET];
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255 | }
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256 | }
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257 | #endif
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258 |
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259 | tvp = &tv;
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260 |
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261 | retry:
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262 | if(!li->didbind) {
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263 | char *binddn;
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264 | struct berval passwd;
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265 |
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266 | if(conn->bits.user_passwd) {
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267 | binddn = conn->user;
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268 | passwd.bv_val = conn->passwd;
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269 | passwd.bv_len = strlen(passwd.bv_val);
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270 | }
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271 | else {
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272 | binddn = NULL;
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273 | passwd.bv_val = NULL;
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274 | passwd.bv_len = 0;
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275 | }
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276 | rc = ldap_sasl_bind(li->ld, binddn, LDAP_SASL_SIMPLE, &passwd,
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277 | NULL, NULL, &li->msgid);
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278 | if(rc)
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279 | return CURLE_LDAP_CANNOT_BIND;
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280 | li->didbind = TRUE;
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281 | if(tvp)
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282 | return CURLE_OK;
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283 | }
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284 |
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285 | rc = ldap_result(li->ld, li->msgid, LDAP_MSG_ONE, tvp, &msg);
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286 | if(rc < 0) {
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287 | failf(data, "LDAP local: bind ldap_result %s", ldap_err2string(rc));
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288 | return CURLE_LDAP_CANNOT_BIND;
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289 | }
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290 | if(rc == 0) {
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291 | /* timed out */
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292 | return CURLE_OK;
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293 | }
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294 |
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295 | rc = ldap_parse_result(li->ld, msg, &err, NULL, &info, NULL, NULL, 1);
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296 | if(rc) {
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297 | failf(data, "LDAP local: bind ldap_parse_result %s", ldap_err2string(rc));
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298 | return CURLE_LDAP_CANNOT_BIND;
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299 | }
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300 |
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301 | /* Try to fallback to LDAPv2? */
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302 | if(err == LDAP_PROTOCOL_ERROR) {
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303 | int proto;
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304 | ldap_get_option(li->ld, LDAP_OPT_PROTOCOL_VERSION, &proto);
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305 | if(proto == LDAP_VERSION3) {
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306 | if(info) {
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307 | ldap_memfree(info);
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308 | info = NULL;
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309 | }
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310 | proto = LDAP_VERSION2;
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311 | ldap_set_option(li->ld, LDAP_OPT_PROTOCOL_VERSION, &proto);
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312 | li->didbind = FALSE;
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313 | goto retry;
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314 | }
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315 | }
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316 |
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317 | if(err) {
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318 | failf(data, "LDAP remote: bind failed %s %s", ldap_err2string(rc),
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319 | info ? info : "");
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320 | if(info)
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321 | ldap_memfree(info);
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322 | return CURLE_LOGIN_DENIED;
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323 | }
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324 |
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325 | if(info)
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326 | ldap_memfree(info);
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327 | conn->recv[FIRSTSOCKET] = ldap_recv;
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328 | *done = TRUE;
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329 |
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330 | return CURLE_OK;
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331 | }
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332 |
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333 | static CURLcode ldap_disconnect(struct connectdata *conn, bool dead_connection)
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334 | {
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335 | ldapconninfo *li = conn->proto.generic;
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336 | (void) dead_connection;
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337 |
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338 | if(li) {
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339 | if(li->ld) {
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340 | ldap_unbind_ext(li->ld, NULL, NULL);
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341 | li->ld = NULL;
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342 | }
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343 | conn->proto.generic = NULL;
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344 | free(li);
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345 | }
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346 | return CURLE_OK;
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347 | }
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348 |
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349 | static CURLcode ldap_do(struct connectdata *conn, bool *done)
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350 | {
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351 | ldapconninfo *li = conn->proto.generic;
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352 | ldapreqinfo *lr;
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353 | CURLcode status = CURLE_OK;
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354 | int rc = 0;
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355 | LDAPURLDesc *ludp = NULL;
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356 | int msgid;
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357 | struct Curl_easy *data = conn->data;
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358 |
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359 | connkeep(conn, "OpenLDAP do");
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360 |
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361 | infof(data, "LDAP local: %s\n", data->change.url);
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362 |
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363 | rc = ldap_url_parse(data->change.url, &ludp);
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364 | if(rc != LDAP_URL_SUCCESS) {
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365 | const char *msg = "url parsing problem";
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366 | status = CURLE_URL_MALFORMAT;
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367 | if(rc > LDAP_URL_SUCCESS && rc <= LDAP_URL_ERR_BADEXTS) {
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368 | if(rc == LDAP_URL_ERR_MEM)
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369 | status = CURLE_OUT_OF_MEMORY;
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370 | msg = url_errs[rc];
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371 | }
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372 | failf(conn->data, "LDAP local: %s", msg);
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373 | return status;
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374 | }
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375 |
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376 | rc = ldap_search_ext(li->ld, ludp->lud_dn, ludp->lud_scope,
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377 | ludp->lud_filter, ludp->lud_attrs, 0,
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378 | NULL, NULL, NULL, 0, &msgid);
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379 | ldap_free_urldesc(ludp);
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380 | if(rc != LDAP_SUCCESS) {
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381 | failf(data, "LDAP local: ldap_search_ext %s", ldap_err2string(rc));
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382 | return CURLE_LDAP_SEARCH_FAILED;
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383 | }
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384 | lr = calloc(1, sizeof(ldapreqinfo));
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385 | if(!lr)
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386 | return CURLE_OUT_OF_MEMORY;
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387 | lr->msgid = msgid;
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388 | data->req.protop = lr;
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389 | Curl_setup_transfer(conn, FIRSTSOCKET, -1, FALSE, NULL, -1, NULL);
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390 | *done = TRUE;
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391 | return CURLE_OK;
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392 | }
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393 |
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394 | static CURLcode ldap_done(struct connectdata *conn, CURLcode res,
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395 | bool premature)
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396 | {
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397 | ldapreqinfo *lr = conn->data->req.protop;
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398 |
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399 | (void)res;
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400 | (void)premature;
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401 |
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402 | if(lr) {
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403 | /* if there was a search in progress, abandon it */
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404 | if(lr->msgid) {
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405 | ldapconninfo *li = conn->proto.generic;
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406 | ldap_abandon_ext(li->ld, lr->msgid, NULL, NULL);
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407 | lr->msgid = 0;
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408 | }
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409 | conn->data->req.protop = NULL;
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410 | free(lr);
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411 | }
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412 |
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413 | return CURLE_OK;
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414 | }
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415 |
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416 | static ssize_t ldap_recv(struct connectdata *conn, int sockindex, char *buf,
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417 | size_t len, CURLcode *err)
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418 | {
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419 | ldapconninfo *li = conn->proto.generic;
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420 | struct Curl_easy *data = conn->data;
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421 | ldapreqinfo *lr = data->req.protop;
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422 | int rc, ret;
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423 | LDAPMessage *msg = NULL;
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424 | LDAPMessage *ent;
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425 | BerElement *ber = NULL;
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426 | struct timeval tv = {0, 1};
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427 |
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428 | (void)len;
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429 | (void)buf;
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430 | (void)sockindex;
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431 |
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432 | rc = ldap_result(li->ld, lr->msgid, LDAP_MSG_RECEIVED, &tv, &msg);
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433 | if(rc < 0) {
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434 | failf(data, "LDAP local: search ldap_result %s", ldap_err2string(rc));
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435 | *err = CURLE_RECV_ERROR;
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436 | return -1;
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437 | }
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438 |
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439 | *err = CURLE_AGAIN;
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440 | ret = -1;
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441 |
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442 | /* timed out */
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443 | if(!msg)
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444 | return ret;
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445 |
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446 | for(ent = ldap_first_message(li->ld, msg); ent;
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447 | ent = ldap_next_message(li->ld, ent)) {
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448 | struct berval bv, *bvals, **bvp = &bvals;
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449 | int binary = 0, msgtype;
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---|
450 | CURLcode writeerr;
|
---|
451 |
|
---|
452 | msgtype = ldap_msgtype(ent);
|
---|
453 | if(msgtype == LDAP_RES_SEARCH_RESULT) {
|
---|
454 | int code;
|
---|
455 | char *info = NULL;
|
---|
456 | rc = ldap_parse_result(li->ld, ent, &code, NULL, &info, NULL, NULL, 0);
|
---|
457 | if(rc) {
|
---|
458 | failf(data, "LDAP local: search ldap_parse_result %s",
|
---|
459 | ldap_err2string(rc));
|
---|
460 | *err = CURLE_LDAP_SEARCH_FAILED;
|
---|
461 | }
|
---|
462 | else if(code && code != LDAP_SIZELIMIT_EXCEEDED) {
|
---|
463 | failf(data, "LDAP remote: search failed %s %s", ldap_err2string(rc),
|
---|
464 | info ? info : "");
|
---|
465 | *err = CURLE_LDAP_SEARCH_FAILED;
|
---|
466 | }
|
---|
467 | else {
|
---|
468 | /* successful */
|
---|
469 | if(code == LDAP_SIZELIMIT_EXCEEDED)
|
---|
470 | infof(data, "There are more than %d entries\n", lr->nument);
|
---|
471 | data->req.size = data->req.bytecount;
|
---|
472 | *err = CURLE_OK;
|
---|
473 | ret = 0;
|
---|
474 | }
|
---|
475 | lr->msgid = 0;
|
---|
476 | ldap_memfree(info);
|
---|
477 | break;
|
---|
478 | }
|
---|
479 | else if(msgtype != LDAP_RES_SEARCH_ENTRY)
|
---|
480 | continue;
|
---|
481 |
|
---|
482 | lr->nument++;
|
---|
483 | rc = ldap_get_dn_ber(li->ld, ent, &ber, &bv);
|
---|
484 | if(rc < 0) {
|
---|
485 | /* TODO: verify that this is really how this return code should be
|
---|
486 | handled */
|
---|
487 | *err = CURLE_RECV_ERROR;
|
---|
488 | return -1;
|
---|
489 | }
|
---|
490 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"DN: ", 4);
|
---|
491 | if(writeerr) {
|
---|
492 | *err = writeerr;
|
---|
493 | return -1;
|
---|
494 | }
|
---|
495 |
|
---|
496 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)bv.bv_val,
|
---|
497 | bv.bv_len);
|
---|
498 | if(writeerr) {
|
---|
499 | *err = writeerr;
|
---|
500 | return -1;
|
---|
501 | }
|
---|
502 |
|
---|
503 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 1);
|
---|
504 | if(writeerr) {
|
---|
505 | *err = writeerr;
|
---|
506 | return -1;
|
---|
507 | }
|
---|
508 | data->req.bytecount += bv.bv_len + 5;
|
---|
509 |
|
---|
510 | for(rc = ldap_get_attribute_ber(li->ld, ent, ber, &bv, bvp);
|
---|
511 | rc == LDAP_SUCCESS;
|
---|
512 | rc = ldap_get_attribute_ber(li->ld, ent, ber, &bv, bvp)) {
|
---|
513 | int i;
|
---|
514 |
|
---|
515 | if(bv.bv_val == NULL) break;
|
---|
516 |
|
---|
517 | if(bv.bv_len > 7 && !strncmp(bv.bv_val + bv.bv_len - 7, ";binary", 7))
|
---|
518 | binary = 1;
|
---|
519 | else
|
---|
520 | binary = 0;
|
---|
521 |
|
---|
522 | for(i = 0; bvals[i].bv_val != NULL; i++) {
|
---|
523 | int binval = 0;
|
---|
524 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\t", 1);
|
---|
525 | if(writeerr) {
|
---|
526 | *err = writeerr;
|
---|
527 | return -1;
|
---|
528 | }
|
---|
529 |
|
---|
530 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)bv.bv_val,
|
---|
531 | bv.bv_len);
|
---|
532 | if(writeerr) {
|
---|
533 | *err = writeerr;
|
---|
534 | return -1;
|
---|
535 | }
|
---|
536 |
|
---|
537 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)":", 1);
|
---|
538 | if(writeerr) {
|
---|
539 | *err = writeerr;
|
---|
540 | return -1;
|
---|
541 | }
|
---|
542 | data->req.bytecount += bv.bv_len + 2;
|
---|
543 |
|
---|
544 | if(!binary) {
|
---|
545 | /* check for leading or trailing whitespace */
|
---|
546 | if(ISSPACE(bvals[i].bv_val[0]) ||
|
---|
547 | ISSPACE(bvals[i].bv_val[bvals[i].bv_len-1]))
|
---|
548 | binval = 1;
|
---|
549 | else {
|
---|
550 | /* check for unprintable characters */
|
---|
551 | unsigned int j;
|
---|
552 | for(j = 0; j<bvals[i].bv_len; j++)
|
---|
553 | if(!ISPRINT(bvals[i].bv_val[j])) {
|
---|
554 | binval = 1;
|
---|
555 | break;
|
---|
556 | }
|
---|
557 | }
|
---|
558 | }
|
---|
559 | if(binary || binval) {
|
---|
560 | char *val_b64 = NULL;
|
---|
561 | size_t val_b64_sz = 0;
|
---|
562 | /* Binary value, encode to base64. */
|
---|
563 | CURLcode error = Curl_base64_encode(data,
|
---|
564 | bvals[i].bv_val,
|
---|
565 | bvals[i].bv_len,
|
---|
566 | &val_b64,
|
---|
567 | &val_b64_sz);
|
---|
568 | if(error) {
|
---|
569 | ber_memfree(bvals);
|
---|
570 | ber_free(ber, 0);
|
---|
571 | ldap_msgfree(msg);
|
---|
572 | *err = error;
|
---|
573 | return -1;
|
---|
574 | }
|
---|
575 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY,
|
---|
576 | (char *)": ", 2);
|
---|
577 | if(writeerr) {
|
---|
578 | *err = writeerr;
|
---|
579 | return -1;
|
---|
580 | }
|
---|
581 |
|
---|
582 | data->req.bytecount += 2;
|
---|
583 | if(val_b64_sz > 0) {
|
---|
584 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, val_b64,
|
---|
585 | val_b64_sz);
|
---|
586 | if(writeerr) {
|
---|
587 | *err = writeerr;
|
---|
588 | return -1;
|
---|
589 | }
|
---|
590 | free(val_b64);
|
---|
591 | data->req.bytecount += val_b64_sz;
|
---|
592 | }
|
---|
593 | }
|
---|
594 | else {
|
---|
595 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)" ", 1);
|
---|
596 | if(writeerr) {
|
---|
597 | *err = writeerr;
|
---|
598 | return -1;
|
---|
599 | }
|
---|
600 |
|
---|
601 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, bvals[i].bv_val,
|
---|
602 | bvals[i].bv_len);
|
---|
603 | if(writeerr) {
|
---|
604 | *err = writeerr;
|
---|
605 | return -1;
|
---|
606 | }
|
---|
607 |
|
---|
608 | data->req.bytecount += bvals[i].bv_len + 1;
|
---|
609 | }
|
---|
610 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 0);
|
---|
611 | if(writeerr) {
|
---|
612 | *err = writeerr;
|
---|
613 | return -1;
|
---|
614 | }
|
---|
615 |
|
---|
616 | data->req.bytecount++;
|
---|
617 | }
|
---|
618 | ber_memfree(bvals);
|
---|
619 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 0);
|
---|
620 | if(writeerr) {
|
---|
621 | *err = writeerr;
|
---|
622 | return -1;
|
---|
623 | }
|
---|
624 | data->req.bytecount++;
|
---|
625 | }
|
---|
626 | writeerr = Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 0);
|
---|
627 | if(writeerr) {
|
---|
628 | *err = writeerr;
|
---|
629 | return -1;
|
---|
630 | }
|
---|
631 | data->req.bytecount++;
|
---|
632 | ber_free(ber, 0);
|
---|
633 | }
|
---|
634 | ldap_msgfree(msg);
|
---|
635 | return ret;
|
---|
636 | }
|
---|
637 |
|
---|
638 | #ifdef USE_SSL
|
---|
639 | static int
|
---|
640 | ldapsb_tls_setup(Sockbuf_IO_Desc *sbiod, void *arg)
|
---|
641 | {
|
---|
642 | sbiod->sbiod_pvt = arg;
|
---|
643 | return 0;
|
---|
644 | }
|
---|
645 |
|
---|
646 | static int
|
---|
647 | ldapsb_tls_remove(Sockbuf_IO_Desc *sbiod)
|
---|
648 | {
|
---|
649 | sbiod->sbiod_pvt = NULL;
|
---|
650 | return 0;
|
---|
651 | }
|
---|
652 |
|
---|
653 | /* We don't need to do anything because libcurl does it already */
|
---|
654 | static int
|
---|
655 | ldapsb_tls_close(Sockbuf_IO_Desc *sbiod)
|
---|
656 | {
|
---|
657 | (void)sbiod;
|
---|
658 | return 0;
|
---|
659 | }
|
---|
660 |
|
---|
661 | static int
|
---|
662 | ldapsb_tls_ctrl(Sockbuf_IO_Desc *sbiod, int opt, void *arg)
|
---|
663 | {
|
---|
664 | (void)arg;
|
---|
665 | if(opt == LBER_SB_OPT_DATA_READY) {
|
---|
666 | struct connectdata *conn = sbiod->sbiod_pvt;
|
---|
667 | return Curl_ssl_data_pending(conn, FIRSTSOCKET);
|
---|
668 | }
|
---|
669 | return 0;
|
---|
670 | }
|
---|
671 |
|
---|
672 | static ber_slen_t
|
---|
673 | ldapsb_tls_read(Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
|
---|
674 | {
|
---|
675 | struct connectdata *conn = sbiod->sbiod_pvt;
|
---|
676 | ldapconninfo *li = conn->proto.generic;
|
---|
677 | ber_slen_t ret;
|
---|
678 | CURLcode err = CURLE_RECV_ERROR;
|
---|
679 |
|
---|
680 | ret = (li->recv)(conn, FIRSTSOCKET, buf, len, &err);
|
---|
681 | if(ret < 0 && err == CURLE_AGAIN) {
|
---|
682 | SET_SOCKERRNO(EWOULDBLOCK);
|
---|
683 | }
|
---|
684 | return ret;
|
---|
685 | }
|
---|
686 |
|
---|
687 | static ber_slen_t
|
---|
688 | ldapsb_tls_write(Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
|
---|
689 | {
|
---|
690 | struct connectdata *conn = sbiod->sbiod_pvt;
|
---|
691 | ldapconninfo *li = conn->proto.generic;
|
---|
692 | ber_slen_t ret;
|
---|
693 | CURLcode err = CURLE_SEND_ERROR;
|
---|
694 |
|
---|
695 | ret = (li->send)(conn, FIRSTSOCKET, buf, len, &err);
|
---|
696 | if(ret < 0 && err == CURLE_AGAIN) {
|
---|
697 | SET_SOCKERRNO(EWOULDBLOCK);
|
---|
698 | }
|
---|
699 | return ret;
|
---|
700 | }
|
---|
701 |
|
---|
702 | static Sockbuf_IO ldapsb_tls =
|
---|
703 | {
|
---|
704 | ldapsb_tls_setup,
|
---|
705 | ldapsb_tls_remove,
|
---|
706 | ldapsb_tls_ctrl,
|
---|
707 | ldapsb_tls_read,
|
---|
708 | ldapsb_tls_write,
|
---|
709 | ldapsb_tls_close
|
---|
710 | };
|
---|
711 | #endif /* USE_SSL */
|
---|
712 |
|
---|
713 | #endif /* !CURL_DISABLE_LDAP && USE_OPENLDAP */
|
---|