author | Michael Krelin <hacker@klever.net> | 2007-01-15 00:29:53 (UTC) |
---|---|---|
committer | Michael Krelin <hacker@klever.net> | 2007-01-15 00:29:53 (UTC) |
commit | 74abfae8077569260298a67eca0847e90111b13c (patch) (unidiff) | |
tree | 2e7dbd06110683737cfcca2c2030c07772d4f35e /lib | |
parent | 6c7a4fbf0c0e68a500a6b5834a1f3877b160bf77 (diff) | |
download | libopkele-74abfae8077569260298a67eca0847e90111b13c.zip libopkele-74abfae8077569260298a67eca0847e90111b13c.tar.gz libopkele-74abfae8077569260298a67eca0847e90111b13c.tar.bz2 |
fixed a typo
-rw-r--r-- | lib/consumer.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/consumer.cc b/lib/consumer.cc index dc49405..30a5507 100644 --- a/lib/consumer.cc +++ b/lib/consumer.cc | |||
@@ -1,172 +1,172 @@ | |||
1 | #include <algorithm> | 1 | #include <algorithm> |
2 | #include <cassert> | 2 | #include <cassert> |
3 | #include <opkele/util.h> | 3 | #include <opkele/util.h> |
4 | #include <opkele/exception.h> | 4 | #include <opkele/exception.h> |
5 | #include <opkele/data.h> | 5 | #include <opkele/data.h> |
6 | #include <opkele/consumer.h> | 6 | #include <opkele/consumer.h> |
7 | #include <openssl/sha.h> | 7 | #include <openssl/sha.h> |
8 | #include <openssl/hmac.h> | 8 | #include <openssl/hmac.h> |
9 | #include <curl/curl.h> | 9 | #include <curl/curl.h> |
10 | #include <pcre++.h> | 10 | #include <pcre++.h> |
11 | 11 | ||
12 | #include <iostream> | 12 | #include <iostream> |
13 | 13 | ||
14 | #include "config.h" | 14 | #include "config.h" |
15 | 15 | ||
16 | namespace opkele { | 16 | namespace opkele { |
17 | using namespace std; | 17 | using namespace std; |
18 | 18 | ||
19 | class curl_t { | 19 | class curl_t { |
20 | public: | 20 | public: |
21 | CURL *_c; | 21 | CURL *_c; |
22 | 22 | ||
23 | curl_t() : _c(0) { } | 23 | curl_t() : _c(0) { } |
24 | curl_t(CURL *c) : _c(c) { } | 24 | curl_t(CURL *c) : _c(c) { } |
25 | ~curl_t() throw() { if(_c) curl_easy_cleanup(_c); } | 25 | ~curl_t() throw() { if(_c) curl_easy_cleanup(_c); } |
26 | 26 | ||
27 | curl_t& operator=(CURL *c) { if(_c) curl_easy_cleanup(_c); _c=c; return *this; } | 27 | curl_t& operator=(CURL *c) { if(_c) curl_easy_cleanup(_c); _c=c; return *this; } |
28 | 28 | ||
29 | operator const CURL*(void) const { return _c; } | 29 | operator const CURL*(void) const { return _c; } |
30 | operator CURL*(void) { return _c; } | 30 | operator CURL*(void) { return _c; } |
31 | }; | 31 | }; |
32 | 32 | ||
33 | static CURLcode curl_misc_sets(CURL* c) { | 33 | static CURLcode curl_misc_sets(CURL* c) { |
34 | CURLcode r; | 34 | CURLcode r; |
35 | (r=curl_easy_setopt(c,CURLOPT_FOLLOWLOCATION,1)) | 35 | (r=curl_easy_setopt(c,CURLOPT_FOLLOWLOCATION,1)) |
36 | || (r=curl_easy_setopt(c,CURLOPT_MAXREDIRS,5)) | 36 | || (r=curl_easy_setopt(c,CURLOPT_MAXREDIRS,5)) |
37 | || (r=curl_easy_setopt(c,CURLOPT_DNS_CACHE_TIMEOUT,120)) | 37 | || (r=curl_easy_setopt(c,CURLOPT_DNS_CACHE_TIMEOUT,120)) |
38 | || (r=curl_easy_setopt(c,CURLOPT_DNS_USE_GLOBAL_CACHE,1)) | 38 | || (r=curl_easy_setopt(c,CURLOPT_DNS_USE_GLOBAL_CACHE,1)) |
39 | || (r=curl_easy_setopt(c,CURLOPT_USERAGENT,PACKAGE_NAME"/"PACKAGE_VERSION)) | 39 | || (r=curl_easy_setopt(c,CURLOPT_USERAGENT,PACKAGE_NAME"/"PACKAGE_VERSION)) |
40 | || (r=curl_easy_setopt(c,CURLOPT_TIMEOUT,20)) | 40 | || (r=curl_easy_setopt(c,CURLOPT_TIMEOUT,20)) |
41 | #ifdefDISABLE_CURL_SSL_VERIFYHOST | 41 | #ifdefDISABLE_CURL_SSL_VERIFYHOST |
42 | || (r=curl_easy_setopt(c,CURLOPT_SSL_VERIFYHOST,0)) | 42 | || (r=curl_easy_setopt(c,CURLOPT_SSL_VERIFYHOST,0)) |
43 | #endif | 43 | #endif |
44 | #ifdefDISABLE_CURL_SSL_VERYPEER | 44 | #ifdefDISABLE_CURL_SSL_VERIFYPEER |
45 | || (r=curl_easy_setopt(c,CURLOPT_SSL_VERIFYPEER,0)) | 45 | || (r=curl_easy_setopt(c,CURLOPT_SSL_VERIFYPEER,0)) |
46 | #endif | 46 | #endif |
47 | ; | 47 | ; |
48 | return r; | 48 | return r; |
49 | } | 49 | } |
50 | 50 | ||
51 | static size_t _curl_tostring(void *ptr,size_t size,size_t nmemb,void *stream) { | 51 | static size_t _curl_tostring(void *ptr,size_t size,size_t nmemb,void *stream) { |
52 | string *str = (string*)stream; | 52 | string *str = (string*)stream; |
53 | size_t bytes = size*nmemb; | 53 | size_t bytes = size*nmemb; |
54 | size_t get = min(16384-str->length(),bytes); | 54 | size_t get = min(16384-str->length(),bytes); |
55 | str->append((const char*)ptr,get); | 55 | str->append((const char*)ptr,get); |
56 | return get; | 56 | return get; |
57 | } | 57 | } |
58 | 58 | ||
59 | assoc_t consumer_t::associate(const string& server) { | 59 | assoc_t consumer_t::associate(const string& server) { |
60 | util::dh_t dh = DH_new(); | 60 | util::dh_t dh = DH_new(); |
61 | if(!dh) | 61 | if(!dh) |
62 | throw exception_openssl(OPKELE_CP_ "failed to DH_new()"); | 62 | throw exception_openssl(OPKELE_CP_ "failed to DH_new()"); |
63 | dh->p = util::dec_to_bignum(data::_default_p); | 63 | dh->p = util::dec_to_bignum(data::_default_p); |
64 | dh->g = util::dec_to_bignum(data::_default_g); | 64 | dh->g = util::dec_to_bignum(data::_default_g); |
65 | if(!DH_generate_key(dh)) | 65 | if(!DH_generate_key(dh)) |
66 | throw exception_openssl(OPKELE_CP_ "failed to DH_generate_key()"); | 66 | throw exception_openssl(OPKELE_CP_ "failed to DH_generate_key()"); |
67 | string request = | 67 | string request = |
68 | "openid.mode=associate" | 68 | "openid.mode=associate" |
69 | "&openid.assoc_type=HMAC-SHA1" | 69 | "&openid.assoc_type=HMAC-SHA1" |
70 | "&openid.session_type=DH-SHA1" | 70 | "&openid.session_type=DH-SHA1" |
71 | "&openid.dh_consumer_public="; | 71 | "&openid.dh_consumer_public="; |
72 | request += util::url_encode(util::bignum_to_base64(dh->pub_key)); | 72 | request += util::url_encode(util::bignum_to_base64(dh->pub_key)); |
73 | curl_t curl = curl_easy_init(); | 73 | curl_t curl = curl_easy_init(); |
74 | if(!curl) | 74 | if(!curl) |
75 | throw exception_curl(OPKELE_CP_ "failed to curl_easy_init()"); | 75 | throw exception_curl(OPKELE_CP_ "failed to curl_easy_init()"); |
76 | string response; | 76 | string response; |
77 | CURLcode r; | 77 | CURLcode r; |
78 | (r=curl_misc_sets(curl)) | 78 | (r=curl_misc_sets(curl)) |
79 | || (r=curl_easy_setopt(curl,CURLOPT_URL,server.c_str())) | 79 | || (r=curl_easy_setopt(curl,CURLOPT_URL,server.c_str())) |
80 | || (r=curl_easy_setopt(curl,CURLOPT_POST,1)) | 80 | || (r=curl_easy_setopt(curl,CURLOPT_POST,1)) |
81 | || (r=curl_easy_setopt(curl,CURLOPT_POSTFIELDS,request.data())) | 81 | || (r=curl_easy_setopt(curl,CURLOPT_POSTFIELDS,request.data())) |
82 | || (r=curl_easy_setopt(curl,CURLOPT_POSTFIELDSIZE,request.length())) | 82 | || (r=curl_easy_setopt(curl,CURLOPT_POSTFIELDSIZE,request.length())) |
83 | || (r=curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION,_curl_tostring)) | 83 | || (r=curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION,_curl_tostring)) |
84 | || (r=curl_easy_setopt(curl,CURLOPT_WRITEDATA,&response)) | 84 | || (r=curl_easy_setopt(curl,CURLOPT_WRITEDATA,&response)) |
85 | ; | 85 | ; |
86 | if(r) | 86 | if(r) |
87 | throw exception_curl(OPKELE_CP_ "failed to curl_easy_setopt()",r); | 87 | throw exception_curl(OPKELE_CP_ "failed to curl_easy_setopt()",r); |
88 | if(r=curl_easy_perform(curl)) | 88 | if(r=curl_easy_perform(curl)) |
89 | throw exception_curl(OPKELE_CP_ "failed to curl_easy_perform()",r); | 89 | throw exception_curl(OPKELE_CP_ "failed to curl_easy_perform()",r); |
90 | params_t p; p.parse_keyvalues(response); | 90 | params_t p; p.parse_keyvalues(response); |
91 | if(p.has_param("assoc_type") && p.get_param("assoc_type")!="HMAC-SHA1") | 91 | if(p.has_param("assoc_type") && p.get_param("assoc_type")!="HMAC-SHA1") |
92 | throw bad_input(OPKELE_CP_ "unsupported assoc_type"); | 92 | throw bad_input(OPKELE_CP_ "unsupported assoc_type"); |
93 | string st; | 93 | string st; |
94 | if(p.has_param("session_type")) st = p.get_param("session_type"); | 94 | if(p.has_param("session_type")) st = p.get_param("session_type"); |
95 | if((!st.empty()) && st!="DH-SHA1") | 95 | if((!st.empty()) && st!="DH-SHA1") |
96 | throw bad_input(OPKELE_CP_ "unsupported session_type"); | 96 | throw bad_input(OPKELE_CP_ "unsupported session_type"); |
97 | secret_t secret; | 97 | secret_t secret; |
98 | if(st.empty()) { | 98 | if(st.empty()) { |
99 | secret.from_base64(p.get_param("mac_key")); | 99 | secret.from_base64(p.get_param("mac_key")); |
100 | }else{ | 100 | }else{ |
101 | util::bignum_t s_pub = util::base64_to_bignum(p.get_param("dh_server_public")); | 101 | util::bignum_t s_pub = util::base64_to_bignum(p.get_param("dh_server_public")); |
102 | vector<unsigned char> ck(DH_size(dh)); | 102 | vector<unsigned char> ck(DH_size(dh)); |
103 | int cklen = DH_compute_key(&(ck.front()),s_pub,dh); | 103 | int cklen = DH_compute_key(&(ck.front()),s_pub,dh); |
104 | if(cklen<0) | 104 | if(cklen<0) |
105 | throw exception_openssl(OPKELE_CP_ "failed to DH_compute_key()"); | 105 | throw exception_openssl(OPKELE_CP_ "failed to DH_compute_key()"); |
106 | ck.resize(cklen); | 106 | ck.resize(cklen); |
107 | // OpenID algorithm requires extra zero in case of set bit here | 107 | // OpenID algorithm requires extra zero in case of set bit here |
108 | if(ck[0]&0x80) ck.insert(ck.begin(),1,0); | 108 | if(ck[0]&0x80) ck.insert(ck.begin(),1,0); |
109 | unsigned char key_sha1[SHA_DIGEST_LENGTH]; | 109 | unsigned char key_sha1[SHA_DIGEST_LENGTH]; |
110 | SHA1(&(ck.front()),ck.size(),key_sha1); | 110 | SHA1(&(ck.front()),ck.size(),key_sha1); |
111 | secret.enxor_from_base64(key_sha1,p.get_param("enc_mac_key")); | 111 | secret.enxor_from_base64(key_sha1,p.get_param("enc_mac_key")); |
112 | } | 112 | } |
113 | int expires_in = 0; | 113 | int expires_in = 0; |
114 | if(p.has_param("expires_in")) { | 114 | if(p.has_param("expires_in")) { |
115 | expires_in = util::string_to_long(p.get_param("expires_in")); | 115 | expires_in = util::string_to_long(p.get_param("expires_in")); |
116 | }else if(p.has_param("issued") && p.has_param("expiry")) { | 116 | }else if(p.has_param("issued") && p.has_param("expiry")) { |
117 | expires_in = util::w3c_to_time(p.get_param("expiry"))-util::w3c_to_time(p.get_param("issued")); | 117 | expires_in = util::w3c_to_time(p.get_param("expiry"))-util::w3c_to_time(p.get_param("issued")); |
118 | }else | 118 | }else |
119 | throw bad_input(OPKELE_CP_ "no expiration information"); | 119 | throw bad_input(OPKELE_CP_ "no expiration information"); |
120 | return store_assoc(server,p.get_param("assoc_handle"),secret,expires_in); | 120 | return store_assoc(server,p.get_param("assoc_handle"),secret,expires_in); |
121 | } | 121 | } |
122 | 122 | ||
123 | string consumer_t::checkid_immediate(const string& identity,const string& return_to,const string& trust_root,extension_t *ext) { | 123 | string consumer_t::checkid_immediate(const string& identity,const string& return_to,const string& trust_root,extension_t *ext) { |
124 | return checkid_(mode_checkid_immediate,identity,return_to,trust_root,ext); | 124 | return checkid_(mode_checkid_immediate,identity,return_to,trust_root,ext); |
125 | } | 125 | } |
126 | string consumer_t::checkid_setup(const string& identity,const string& return_to,const string& trust_root,extension_t *ext) { | 126 | string consumer_t::checkid_setup(const string& identity,const string& return_to,const string& trust_root,extension_t *ext) { |
127 | return checkid_(mode_checkid_setup,identity,return_to,trust_root,ext); | 127 | return checkid_(mode_checkid_setup,identity,return_to,trust_root,ext); |
128 | } | 128 | } |
129 | string consumer_t::checkid_(mode_t mode,const string& identity,const string& return_to,const string& trust_root,extension_t *ext) { | 129 | string consumer_t::checkid_(mode_t mode,const string& identity,const string& return_to,const string& trust_root,extension_t *ext) { |
130 | params_t p; | 130 | params_t p; |
131 | if(mode==mode_checkid_immediate) | 131 | if(mode==mode_checkid_immediate) |
132 | p["mode"]="checkid_immediate"; | 132 | p["mode"]="checkid_immediate"; |
133 | else if(mode==mode_checkid_setup) | 133 | else if(mode==mode_checkid_setup) |
134 | p["mode"]="checkid_setup"; | 134 | p["mode"]="checkid_setup"; |
135 | else | 135 | else |
136 | throw bad_input(OPKELE_CP_ "unknown checkid_* mode"); | 136 | throw bad_input(OPKELE_CP_ "unknown checkid_* mode"); |
137 | string iurl = canonicalize(identity); | 137 | string iurl = canonicalize(identity); |
138 | string server, delegate; | 138 | string server, delegate; |
139 | retrieve_links(iurl,server,delegate); | 139 | retrieve_links(iurl,server,delegate); |
140 | p["identity"] = delegate.empty()?iurl:delegate; | 140 | p["identity"] = delegate.empty()?iurl:delegate; |
141 | if(!trust_root.empty()) | 141 | if(!trust_root.empty()) |
142 | p["trust_root"] = trust_root; | 142 | p["trust_root"] = trust_root; |
143 | p["return_to"] = return_to; | 143 | p["return_to"] = return_to; |
144 | try { | 144 | try { |
145 | try { | 145 | try { |
146 | string ah = find_assoc(server)->handle(); | 146 | string ah = find_assoc(server)->handle(); |
147 | p["assoc_handle"] = ah; | 147 | p["assoc_handle"] = ah; |
148 | }catch(failed_lookup& fl) { | 148 | }catch(failed_lookup& fl) { |
149 | string ah = associate(server)->handle(); | 149 | string ah = associate(server)->handle(); |
150 | p["assoc_handle"] = ah; | 150 | p["assoc_handle"] = ah; |
151 | } | 151 | } |
152 | }catch(exception& e) { } | 152 | }catch(exception& e) { } |
153 | if(ext) ext->checkid_hook(p,identity); | 153 | if(ext) ext->checkid_hook(p,identity); |
154 | return p.append_query(server); | 154 | return p.append_query(server); |
155 | } | 155 | } |
156 | 156 | ||
157 | void consumer_t::id_res(const params_t& pin,const string& identity,extension_t *ext) { | 157 | void consumer_t::id_res(const params_t& pin,const string& identity,extension_t *ext) { |
158 | if(pin.has_param("openid.user_setup_url")) | 158 | if(pin.has_param("openid.user_setup_url")) |
159 | throw id_res_setup(OPKELE_CP_ "assertion failed, setup url provided",pin.get_param("openid.user_setup_url")); | 159 | throw id_res_setup(OPKELE_CP_ "assertion failed, setup url provided",pin.get_param("openid.user_setup_url")); |
160 | string server,delegate; | 160 | string server,delegate; |
161 | retrieve_links(identity.empty()?pin.get_param("openid.identity"):canonicalize(identity),server,delegate); | 161 | retrieve_links(identity.empty()?pin.get_param("openid.identity"):canonicalize(identity),server,delegate); |
162 | params_t ps; | 162 | params_t ps; |
163 | try { | 163 | try { |
164 | assoc_t assoc = retrieve_assoc(server,pin.get_param("openid.assoc_handle")); | 164 | assoc_t assoc = retrieve_assoc(server,pin.get_param("openid.assoc_handle")); |
165 | const string& sigenc = pin.get_param("openid.sig"); | 165 | const string& sigenc = pin.get_param("openid.sig"); |
166 | vector<unsigned char> sig; | 166 | vector<unsigned char> sig; |
167 | util::decode_base64(sigenc,sig); | 167 | util::decode_base64(sigenc,sig); |
168 | const string& slist = pin.get_param("openid.signed"); | 168 | const string& slist = pin.get_param("openid.signed"); |
169 | string kv; | 169 | string kv; |
170 | string::size_type p = 0; | 170 | string::size_type p = 0; |
171 | while(true) { | 171 | while(true) { |
172 | string::size_type co = slist.find(',',p); | 172 | string::size_type co = slist.find(',',p); |