annotate mupdf-source/thirdparty/curl/lib/curl_gssapi.c @ 7:5ab937c03c27

Apply full RELRO to all generated binaries. Also strip the generated binaries.
author Franz Glasner <fzglas.hg@dom66.de>
date Tue, 16 Sep 2025 12:37:32 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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) 2011 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 *
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10 * This software is licensed as described in the file COPYING, which
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11 * you should have received as part of this distribution. The terms
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12 * are also available at https://curl.haxx.se/docs/copyright.html.
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13 *
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14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 * copies of the Software, and permit persons to whom the Software is
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16 * furnished to do so, under the terms of the COPYING file.
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17 *
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18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 * KIND, either express or implied.
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20 *
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21 ***************************************************************************/
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23 #include "curl_setup.h"
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25 #ifdef HAVE_GSSAPI
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27 #include "curl_gssapi.h"
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28 #include "sendf.h"
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30 /* The last 3 #include files should be in this order */
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31 #include "curl_printf.h"
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32 #include "curl_memory.h"
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33 #include "memdebug.h"
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35 static char spnego_oid_bytes[] = "\x2b\x06\x01\x05\x05\x02";
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36 gss_OID_desc Curl_spnego_mech_oid = { 6, &spnego_oid_bytes };
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37 static char krb5_oid_bytes[] = "\x2a\x86\x48\x86\xf7\x12\x01\x02\x02";
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38 gss_OID_desc Curl_krb5_mech_oid = { 9, &krb5_oid_bytes };
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39
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40 OM_uint32 Curl_gss_init_sec_context(
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41 struct Curl_easy *data,
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42 OM_uint32 *minor_status,
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43 gss_ctx_id_t *context,
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44 gss_name_t target_name,
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45 gss_OID mech_type,
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46 gss_channel_bindings_t input_chan_bindings,
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47 gss_buffer_t input_token,
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48 gss_buffer_t output_token,
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49 const bool mutual_auth,
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50 OM_uint32 *ret_flags)
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51 {
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52 OM_uint32 req_flags = GSS_C_REPLAY_FLAG;
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53
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54 if(mutual_auth)
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55 req_flags |= GSS_C_MUTUAL_FLAG;
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56
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57 if(data->set.gssapi_delegation & CURLGSSAPI_DELEGATION_POLICY_FLAG) {
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58 #ifdef GSS_C_DELEG_POLICY_FLAG
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59 req_flags |= GSS_C_DELEG_POLICY_FLAG;
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60 #else
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61 infof(data, "warning: support for CURLGSSAPI_DELEGATION_POLICY_FLAG not "
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62 "compiled in\n");
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63 #endif
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64 }
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65
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66 if(data->set.gssapi_delegation & CURLGSSAPI_DELEGATION_FLAG)
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67 req_flags |= GSS_C_DELEG_FLAG;
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68
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69 return gss_init_sec_context(minor_status,
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70 GSS_C_NO_CREDENTIAL, /* cred_handle */
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71 context,
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72 target_name,
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73 mech_type,
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74 req_flags,
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75 0, /* time_req */
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76 input_chan_bindings,
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77 input_token,
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78 NULL, /* actual_mech_type */
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79 output_token,
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80 ret_flags,
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81 NULL /* time_rec */);
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82 }
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83
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84 #define GSS_LOG_BUFFER_LEN 1024
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85 static size_t display_gss_error(OM_uint32 status, int type,
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86 char *buf, size_t len) {
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87 OM_uint32 maj_stat;
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88 OM_uint32 min_stat;
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89 OM_uint32 msg_ctx = 0;
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90 gss_buffer_desc status_string;
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91
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92 do {
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93 maj_stat = gss_display_status(&min_stat,
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94 status,
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95 type,
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96 GSS_C_NO_OID,
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97 &msg_ctx,
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98 &status_string);
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99 if(GSS_LOG_BUFFER_LEN > len + status_string.length + 3) {
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100 len += msnprintf(buf + len, GSS_LOG_BUFFER_LEN - len,
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101 "%.*s. ", (int)status_string.length,
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102 (char *)status_string.value);
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103 }
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104 gss_release_buffer(&min_stat, &status_string);
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105 } while(!GSS_ERROR(maj_stat) && msg_ctx != 0);
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106
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107 return len;
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108 }
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109
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110 /*
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111 * Curl_gss_log_error()
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112 *
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113 * This is used to log a GSS-API error status.
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114 *
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115 * Parameters:
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116 *
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117 * data [in] - The session handle.
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118 * prefix [in] - The prefix of the log message.
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119 * major [in] - The major status code.
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120 * minor [in] - The minor status code.
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121 */
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122 void Curl_gss_log_error(struct Curl_easy *data, const char *prefix,
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123 OM_uint32 major, OM_uint32 minor)
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124 {
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125 char buf[GSS_LOG_BUFFER_LEN];
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126 size_t len = 0;
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127
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128 if(major != GSS_S_FAILURE)
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129 len = display_gss_error(major, GSS_C_GSS_CODE, buf, len);
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130
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131 display_gss_error(minor, GSS_C_MECH_CODE, buf, len);
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132
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133 infof(data, "%s%s\n", prefix, buf);
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134 }
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135
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136 #endif /* HAVE_GSSAPI */