63 |
/* Default socket timeout. */ |
/* Default socket timeout. */ |
64 |
static int default_socket_timeout = 6; |
static int default_socket_timeout = 6; |
65 |
|
|
66 |
|
|
67 |
|
/* Wrapper for safe memory allocation. */ |
68 |
|
static char* |
69 |
|
safe_alloc (DWORD n) |
70 |
|
{ |
71 |
|
char *p; |
72 |
|
|
73 |
|
p = new char[n+1]; |
74 |
|
if (!p) |
75 |
|
BUG (0); |
76 |
|
memset (p, 0, n); |
77 |
|
return p; |
78 |
|
} |
79 |
|
|
80 |
/* Basic64 encode the input @inbuf to @outbuf. */ |
/* Basic64 encode the input @inbuf to @outbuf. */ |
81 |
static void |
static void |
82 |
base64_encode (const char *inbuf, char *outbuf) |
base64_encode (const char *inbuf, char *outbuf) |
485 |
|
|
486 |
n = 4*strlen (proxy_user) / 3 + 32 + strlen (proxy_pass) + 2; |
n = 4*strlen (proxy_user) / 3 + 32 + strlen (proxy_pass) + 2; |
487 |
free_if_alloc (proxy.base64_user); |
free_if_alloc (proxy.base64_user); |
488 |
proxy.base64_user = new char[n]; |
proxy.base64_user = safe_alloc (n+1); |
|
if (!proxy.base64_user) |
|
|
BUG (0); |
|
489 |
_snprintf (t, sizeof (t)-1, "%s:%s", proxy_user, proxy_pass); |
_snprintf (t, sizeof (t)-1, "%s:%s", proxy_user, proxy_pass); |
490 |
base64_encode (t, proxy.base64_user); |
base64_encode (t, proxy.base64_user); |
491 |
free_if_alloc (proxy.user); |
free_if_alloc (proxy.user); |
515 |
port_from_proto (int proto) |
port_from_proto (int proto) |
516 |
{ |
{ |
517 |
switch (proto) { |
switch (proto) { |
518 |
case KSPROTO_LDAP: return 0; |
case KSPROTO_LDAP: return 0; |
519 |
case KSPROTO_FINGER: return FINGER_PORT; |
case KSPROTO_FINGER: return FINGER_PORT; |
520 |
case KSPROTO_HTTP: return HKP_PORT; |
case KSPROTO_HTTP: return HKP_PORT; |
521 |
} |
} |
522 |
return 0; |
return 0; |
523 |
} |
} |
527 |
static int |
static int |
528 |
proto_from_URL (const char *buf) |
proto_from_URL (const char *buf) |
529 |
{ |
{ |
530 |
if (strstr( buf, "ldap")) |
if (strstr (buf, "ldap")) |
531 |
return KSPROTO_LDAP; |
return KSPROTO_LDAP; |
532 |
else if (strstr( buf, "finger")) |
else if (strstr( buf, "finger")) |
533 |
return KSPROTO_FINGER; |
return KSPROTO_FINGER; |
671 |
server[pos].port = atol (p+1); |
server[pos].port = atol (p+1); |
672 |
if (server[pos].port < 0 || server[pos].port > 65536) |
if (server[pos].port < 0 || server[pos].port > 65536) |
673 |
server[pos].port = HKP_PORT; |
server[pos].port = HKP_PORT; |
674 |
server[pos].name = new char [(p-s)+2]; |
server[pos].name = safe_alloc ((p-s)+2); |
|
if (!server[pos].name) |
|
|
BUG (0); |
|
675 |
memset (server[pos].name, 0, (p-s)+2); |
memset (server[pos].name, 0, (p-s)+2); |
676 |
memcpy (server[pos].name, s, (p-s)); |
memcpy (server[pos].name, s, (p-s)); |
677 |
} |
} |
774 |
|
|
775 |
/* Perform URL encoding of the given data. */ |
/* Perform URL encoding of the given data. */ |
776 |
static char* |
static char* |
777 |
URL_encode (const char *url, size_t ulen, size_t *ret_nlen) |
URL_encode (const char *url, DWORD ulen, DWORD *ret_nlen) |
778 |
{ |
{ |
779 |
gpgme_data_t hd; |
gpgme_data_t hd; |
780 |
char numbuf[5], *p; |
char numbuf[5], *p; |
804 |
/* Format a request for the given keyid (send). */ |
/* Format a request for the given keyid (send). */ |
805 |
static char* |
static char* |
806 |
kserver_send_request (const char *hostname, WORD port, |
kserver_send_request (const char *hostname, WORD port, |
807 |
const char *pubkey, int octets) |
const char *pubkey, DWORD octets) |
808 |
{ |
{ |
809 |
char *request = NULL; |
const char *fmt; |
810 |
char *enc_pubkey = NULL; |
char *request; |
811 |
size_t enc_octets; |
char *enc_pubkey; |
812 |
|
DWORD enc_octets; |
813 |
int reqlen; |
int reqlen; |
814 |
|
|
815 |
log_debug ("kserver_send_request: %s:%d\r\n", hostname, port); |
log_debug ("kserver_send_request: %s:%d\r\n", hostname, port); |
816 |
|
|
817 |
if (!port) |
if (!port) |
818 |
port = HKP_PORT; |
port = HKP_PORT; |
|
reqlen = 512 + strlen (hostname) + 2*strlen (pubkey); |
|
|
if (proxy.proto == PROXY_PROTO_HTTP && proxy.base64_user) |
|
|
reqlen += strlen (proxy.base64_user) + 1; |
|
|
request = new char[reqlen]; |
|
|
if (!request) |
|
|
BUG (0); |
|
819 |
enc_pubkey = URL_encode (pubkey, octets, &enc_octets); |
enc_pubkey = URL_encode (pubkey, octets, &enc_octets); |
820 |
if (!enc_pubkey || !enc_octets) { |
reqlen = 2*strlen (hostname) + 2*32/*port*/ + enc_octets + 32 /*len*/ + 1; |
|
free_if_alloc (request); |
|
|
return NULL; |
|
|
} |
|
821 |
|
|
822 |
if (proxy.user && proxy.proto == PROXY_PROTO_HTTP) { |
if (proxy.user && proxy.proto == PROXY_PROTO_HTTP) { |
823 |
_snprintf (request, reqlen-1, |
fmt = "POST http://%s:%d/pks/add HTTP/1.0\r\n" |
824 |
"POST http://%s:%d/pks/add HTTP/1.0\r\n" |
"Referer: \r\n" |
825 |
"Referer: \r\n" |
"User-Agent: WinPT/W32\r\n" |
826 |
"User-Agent: WinPT/W32\r\n" |
"Host: %s:%d\r\n" |
827 |
"Host: %s:%d\r\n" |
"Proxy-Authorization: Basic %s\r\n" |
828 |
"Proxy-Authorization: Basic %s\r\n" |
"Content-type: application/x-www-form-urlencoded\r\n" |
829 |
"Content-type: application/x-www-form-urlencoded\r\n" |
"Content-length: %d\r\n" |
830 |
"Content-length: %d\r\n" |
"\r\n" |
831 |
"\r\n" |
"keytext=%s" |
832 |
"keytext=%s" |
"\r\n"; |
833 |
"\r\n", |
reqlen += strlen (fmt) + strlen (proxy.base64_user) + 1; |
834 |
skip_type_prefix (hostname), port, hostname, port, |
request = safe_alloc (reqlen+1); |
835 |
|
_snprintf (request, reqlen, fmt, |
836 |
|
skip_type_prefix (hostname), port, hostname, port, |
837 |
proxy.base64_user, enc_octets+9, enc_pubkey); |
proxy.base64_user, enc_octets+9, enc_pubkey); |
838 |
} |
} |
839 |
else { |
else { |
840 |
_snprintf (request, reqlen-1, |
fmt = "POST /pks/add HTTP/1.0\r\n" |
841 |
"POST /pks/add HTTP/1.0\r\n" |
"Referer: \r\n" |
842 |
"Referer: \r\n" |
"User-Agent: WinPT/W32\r\n" |
843 |
"User-Agent: WinPT/W32\r\n" |
"Host: %s:%d\r\n" |
844 |
"Host: %s:%d\r\n" |
"Content-type: application/x-www-form-urlencoded\r\n" |
845 |
"Content-type: application/x-www-form-urlencoded\r\n" |
"Content-length: %d\r\n" |
846 |
"Content-length: %d\r\n" |
"\r\n" |
847 |
"\r\n" |
"keytext=%s" |
848 |
"keytext=%s" |
"\r\n"; |
849 |
"\r\n", |
reqlen += strlen (fmt)+1; |
850 |
skip_type_prefix (hostname), port, |
request = safe_alloc (reqlen+1); |
851 |
|
_snprintf (request, reqlen, fmt, |
852 |
|
skip_type_prefix (hostname), port, |
853 |
enc_octets+9, enc_pubkey); |
enc_octets+9, enc_pubkey); |
854 |
} |
} |
|
free_if_alloc (enc_pubkey); |
|
855 |
|
|
856 |
|
free_if_alloc (enc_pubkey); |
857 |
log_debug ("%s\r\n", request); |
log_debug ("%s\r\n", request); |
858 |
return request; |
return request; |
859 |
} |
} |
864 |
kserver_recvkey (const char *hostname, WORD port, const char *keyid, |
kserver_recvkey (const char *hostname, WORD port, const char *keyid, |
865 |
char **r_key, int *r_keylen) |
char **r_key, int *r_keylen) |
866 |
{ |
{ |
867 |
|
const char *fmt; |
868 |
char *request = NULL; |
char *request = NULL; |
869 |
int conn_fd; |
int conn_fd; |
870 |
int rc; |
int rc, reqlen; |
871 |
|
|
872 |
if (!port) |
if (!port) |
873 |
port = HKP_PORT; |
port = HKP_PORT; |
874 |
hkp_err = 0; /* reset */ |
hkp_err = 0; /* reset */ |
875 |
rc = kserver_connect (hostname, port, &conn_fd); |
rc = kserver_connect (hostname, port, &conn_fd); |
876 |
if (rc) |
if (rc) |
877 |
goto leave; |
goto leave; |
878 |
|
|
879 |
request = new char[300+1]; |
reqlen = strlen (hostname)+32+strlen (keyid)+1; |
|
if (!request) |
|
|
BUG (0); |
|
|
|
|
880 |
if (proxy.host && proxy.user && proxy.proto == PROXY_PROTO_HTTP) { |
if (proxy.host && proxy.user && proxy.proto == PROXY_PROTO_HTTP) { |
881 |
_snprintf (request, 300, |
fmt = "GET http://%s:%d/pks/lookup?op=get&search=%s HTTP/1.0\r\n" |
882 |
"GET http://%s:%d/pks/lookup?op=get&search=%s HTTP/1.0\r\n" |
"Proxy-Authorization: Basic %s\r\n\r\n"; |
883 |
"Proxy-Authorization: Basic %s\r\n\r\n", |
reqlen =+ strlen (fmt) + strlen (proxy.base64_user)+1; |
884 |
skip_type_prefix (hostname), port, keyid, proxy.base64_user); |
request = safe_alloc (reqlen+1); |
885 |
|
_snprintf (request, reqlen, fmt, skip_type_prefix (hostname), port, |
886 |
|
keyid, proxy.base64_user); |
887 |
} |
} |
888 |
else if (proxy.host && proxy.proto == PROXY_PROTO_HTTP) { |
else if (proxy.host && proxy.proto == PROXY_PROTO_HTTP) { |
889 |
_snprintf (request, 300, |
fmt = "GET http://%s:%d/pks/lookup?op=get&search=%s HTTP/1.0\r\n\r\n"; |
890 |
"GET http://%s:%d/pks/lookup?op=get&search=%s HTTP/1.0\r\n\r\n", |
reqlen += strlen (fmt)+1; |
891 |
skip_type_prefix (hostname), port, keyid); |
request = safe_alloc (reqlen+1); |
892 |
} |
_snprintf (request, reqlen, fmt, skip_type_prefix (hostname), |
893 |
|
port, keyid); |
894 |
|
} |
895 |
else { |
else { |
896 |
_snprintf (request, 300, |
fmt = "GET /pks/lookup?op=get&search=%s HTTP/1.0\r\n\r\n"; |
897 |
"GET /pks/lookup?op=get&search=%s HTTP/1.0\r\n\r\n", keyid); |
reqlen += strlen (fmt)+1; |
898 |
|
request = safe_alloc (reqlen+1); |
899 |
|
_snprintf (request, reqlen, fmt, keyid); |
900 |
} |
} |
901 |
|
|
902 |
log_debug ("%s\r\n", request); |
log_debug ("%s\r\n", request); |
981 |
int n=0; |
int n=0; |
982 |
|
|
983 |
/* parse response 'HTTP/1.0 500 OK' */ |
/* parse response 'HTTP/1.0 500 OK' */ |
984 |
if (sock_getline (fd, buf, 127, &n)) |
if (sock_getline (fd, buf, sizeof (buf)-1, &n)) |
985 |
return WPTERR_KEYSERVER_NOTFOUND; |
return WPTERR_KEYSERVER_NOTFOUND; |
986 |
|
|
987 |
log_debug ("kserver_search_chkpresp: %s\r\n", buf); |
log_debug ("kserver_search_chkpresp: %s\r\n", buf); |
1002 |
} |
} |
1003 |
|
|
1004 |
|
|
1005 |
/* Begin keyserver search procedure. */ |
/* Extract the amount of keys from the info record. */ |
1006 |
|
static int |
1007 |
|
count_keys_in_response (char *buf) |
1008 |
|
{ |
1009 |
|
char *p; |
1010 |
|
int recno = 0; |
1011 |
|
int n = 0; |
1012 |
|
|
1013 |
|
/* info:1:4 */ |
1014 |
|
if (strncmp (buf, "info", 4)) |
1015 |
|
return 0; |
1016 |
|
p = strtok (buf, ":"); |
1017 |
|
while (p != NULL) { |
1018 |
|
recno++; |
1019 |
|
if (recno == 3) |
1020 |
|
n = atoi (p); |
1021 |
|
p = strtok (NULL, ":"); |
1022 |
|
} |
1023 |
|
return n; |
1024 |
|
} |
1025 |
|
|
1026 |
|
|
1027 |
|
/* Start the keyserver search. |
1028 |
|
Connect to host @hostname and port @port. |
1029 |
|
The pattern are given in @pattern. |
1030 |
|
The socket is returned in @conn_fd and @nkeys contains |
1031 |
|
the amount of keys which were found. */ |
1032 |
int |
int |
1033 |
kserver_search_begin (const char *hostname, WORD port, |
kserver_search_begin (const char *hostname, WORD port, |
1034 |
const char *pattern, int *conn_fd) |
const char *pattern, int *conn_fd, int *nkeys) |
1035 |
{ |
{ |
1036 |
|
const char *fmt; |
1037 |
char *request = NULL; |
char *request = NULL; |
1038 |
char *enc_patt = NULL; |
char *enc_patt = NULL; |
1039 |
int n; |
char status[128]; |
1040 |
int rc, sock_fd; |
int rc, sock_fd; |
1041 |
|
int reqlen; |
1042 |
|
|
1043 |
|
*conn_fd = 0; |
1044 |
|
|
1045 |
rc = kserver_connect (hostname, port, &sock_fd); |
rc = kserver_connect (hostname, port, &sock_fd); |
1046 |
if (rc) { |
if (rc) |
|
*conn_fd = 0; |
|
1047 |
goto leave; |
goto leave; |
|
} |
|
1048 |
|
|
1049 |
enc_patt = URL_encode (pattern, strlen (pattern), NULL); |
enc_patt = URL_encode (pattern, strlen (pattern), NULL); |
1050 |
n = 140 + strlen (enc_patt) + strlen (hostname) + 32 + 2; |
reqlen = strlen (enc_patt) + strlen (hostname) + 32 + 1; |
1051 |
if (proxy.base64_user) |
|
|
n += strlen (proxy.base64_user) + 1; |
|
|
request = new char[n+1]; |
|
|
if (!request) |
|
|
BUG (0); |
|
|
|
|
1052 |
if (proxy.host && proxy.user && proxy.proto == PROXY_PROTO_HTTP) { |
if (proxy.host && proxy.user && proxy.proto == PROXY_PROTO_HTTP) { |
1053 |
_snprintf (request, n, |
fmt = "GET http://%s:%d/pks/lookup?options=mr&op=index&search=%s HTTP/1.0\r\n" |
1054 |
"GET http://%s:%d/pks/lookup?op=index&search=%s HTTP/1.0\r\n" |
"Proxy-Authorization: Basic %s\r\n\r\n"; |
1055 |
"Proxy-Authorization: Basic %s\r\n\r\n", |
reqlen += strlen (proxy.base64_user) + strlen (fmt) + 1; |
1056 |
skip_type_prefix (hostname), port, enc_patt, proxy.base64_user); |
request = safe_alloc (reqlen+1); |
1057 |
|
_snprintf (request, reqlen, fmt, skip_type_prefix (hostname), port, |
1058 |
|
enc_patt, proxy.base64_user); |
1059 |
} |
} |
1060 |
else if (proxy.host && proxy.proto == PROXY_PROTO_HTTP) { |
else if (proxy.host && proxy.proto == PROXY_PROTO_HTTP) { |
1061 |
_snprintf (request, n, |
fmt = "GET http://%s:%d/pks/lookup?options=mr&op=index&search=%s HTTP/1.0\r\n\r\n"; |
1062 |
"GET http://%s:%d/pks/lookup?op=index&search=%s HTTP/1.0\r\n\r\n", |
reqlen += strlen (fmt)+1; |
1063 |
skip_type_prefix (hostname), port, enc_patt); |
request = safe_alloc (reqlen+1); |
1064 |
|
_snprintf (request, reqlen, skip_type_prefix (hostname), port, |
1065 |
|
enc_patt); |
1066 |
} |
} |
1067 |
else { |
else { |
1068 |
_snprintf (request, n, |
fmt = "GET /pks/lookup?options=mr&op=index&search=%s HTTP/1.0\r\n\r\n"; |
1069 |
"GET /pks/lookup?op=index&search=%s HTTP/1.0\r\n\r\n", |
reqlen += strlen (fmt)+1; |
1070 |
enc_patt); |
request = safe_alloc (reqlen+1); |
1071 |
|
_snprintf (request, reqlen, fmt, enc_patt); |
1072 |
} |
} |
1073 |
|
|
1074 |
log_debug ("kserver_search_begin:\r\n%s\r\n", request); |
log_debug ("kserver_search_begin:\r\n%s\r\n", request); |
|
|
|
1075 |
if (sock_write (sock_fd, request, strlen (request)) == SOCKET_ERROR) { |
if (sock_write (sock_fd, request, strlen (request)) == SOCKET_ERROR) { |
1076 |
rc = WPTERR_GENERAL; |
rc = WPTERR_GENERAL; |
1077 |
goto leave; |
goto leave; |
1081 |
if (rc) { |
if (rc) { |
1082 |
closesocket (sock_fd); |
closesocket (sock_fd); |
1083 |
sock_fd = 0; |
sock_fd = 0; |
1084 |
|
goto leave; |
1085 |
|
} |
1086 |
|
|
1087 |
|
/* Skip all lines until we reach the "info:" record. */ |
1088 |
|
for (;;) { |
1089 |
|
if (sock_getline (sock_fd, status, sizeof (status)-1, &reqlen)) { |
1090 |
|
log_debug ("kserver_search_begin: retrieving status line failed.\r\n"); |
1091 |
|
closesocket (sock_fd); |
1092 |
|
sock_fd = 0; |
1093 |
|
rc = WPTERR_GENERAL; |
1094 |
|
break; |
1095 |
|
} |
1096 |
|
if (!strncmp (status, "info:", 5)) |
1097 |
|
break; |
1098 |
} |
} |
1099 |
|
|
1100 |
|
if (!rc) |
1101 |
|
*nkeys = count_keys_in_response (status); |
1102 |
*conn_fd = sock_fd; |
*conn_fd = sock_fd; |
1103 |
|
|
1104 |
leave: |
leave: |
1108 |
} |
} |
1109 |
|
|
1110 |
|
|
1111 |
|
/* Parse a single pub record returned by the keyserver. */ |
1112 |
|
static void |
1113 |
|
parse_pub_record (keyserver_key_s *key, char *buf) |
1114 |
|
{ |
1115 |
|
enum pub_rec_t {ID=1, KEYID, ALGO, SIZE, CREATE, EXPIRE}; |
1116 |
|
char *p; |
1117 |
|
int recno = 0; |
1118 |
|
|
1119 |
|
/* pub:BF3DF9B4:17:1024:925411133:: */ |
1120 |
|
p = strtok (buf, ":"); |
1121 |
|
while (p != NULL) { |
1122 |
|
recno++; |
1123 |
|
switch (recno) { |
1124 |
|
case ID: |
1125 |
|
break; |
1126 |
|
|
1127 |
/* Convert an iso date @iso_date (YYYY-MM-DD) into the locale |
case KEYID: |
1128 |
representation and store it into @loc_date. |
free_if_alloc (key->keyid); |
1129 |
Return value: 0 on success. */ |
key->keyid = m_strdup (p); |
1130 |
static int |
break; |
1131 |
parse_iso_date (const char *iso_date, char *loc_date, size_t loclen) |
|
1132 |
|
case ALGO: |
1133 |
|
key->algo = atoi (p); |
1134 |
|
break; |
1135 |
|
|
1136 |
|
case SIZE: |
1137 |
|
key->bits = atoi (p); |
1138 |
|
break; |
1139 |
|
|
1140 |
|
case CREATE: |
1141 |
|
key->creation = strtoul (p, NULL, 10); |
1142 |
|
break; |
1143 |
|
|
1144 |
|
case EXPIRE: |
1145 |
|
key->expires = strtoul (p, NULL, 10); |
1146 |
|
break; |
1147 |
|
} |
1148 |
|
p = strtok (NULL, ":"); |
1149 |
|
} |
1150 |
|
|
1151 |
|
} |
1152 |
|
|
1153 |
|
|
1154 |
|
/* Parse a single user id returned by the keyserver. */ |
1155 |
|
static void |
1156 |
|
parse_uid_record (keyserver_key_s *key, char *buf) |
1157 |
{ |
{ |
1158 |
SYSTEMTIME st; |
enum uid_rec_t {ID=1, UID, CREATE, EXPIRE}; |
1159 |
char buf[16] = {0}, *p; |
keyserver_uid_s *u, *n; |
1160 |
int pos=0; |
char *p; |
1161 |
|
int recno = 0; |
1162 |
|
|
1163 |
|
/* uid:Timo Schulz <[email protected]>:1138440360:: */ |
1164 |
|
u = new keyserver_uid_s; |
1165 |
|
memset (u, 0, sizeof *u); |
1166 |
|
|
1167 |
strncpy (buf, iso_date, sizeof (buf)-1); |
p = strtok (buf, ":"); |
|
p = strtok (buf, "-"); |
|
1168 |
while (p != NULL) { |
while (p != NULL) { |
1169 |
switch (pos) { |
recno++; |
1170 |
case 0: st.wYear = (WORD)atoi (p); pos++; break; |
|
1171 |
case 1: st.wMonth = (WORD)atoi (p); pos++; break; |
switch (recno) { |
1172 |
case 2: st.wDay = (WORD)atoi (p); pos++; break; |
case ID: |
1173 |
default: break; |
break; |
1174 |
|
|
1175 |
|
case UID: |
1176 |
|
/* XXX: search for %3A and decode it back to ':' */ |
1177 |
|
u->uid = m_strdup (p); |
1178 |
|
break; |
1179 |
|
|
1180 |
|
case CREATE: |
1181 |
|
u->creation = strtoul (p, NULL, 10); |
1182 |
|
break; |
1183 |
|
|
1184 |
|
case EXPIRE: |
1185 |
|
u->expires = strtoul (p, NULL, 10); |
1186 |
|
break; |
1187 |
} |
} |
1188 |
p = strtok (NULL, "-"); |
|
1189 |
|
p = strtok (NULL, ":"); |
1190 |
|
} |
1191 |
|
if (!key->uids) |
1192 |
|
key->uids = u; |
1193 |
|
else { |
1194 |
|
for (n = key->uids; n->next; n=n->next) |
1195 |
|
; |
1196 |
|
n->next = u; |
1197 |
} |
} |
|
if (pos != 3) |
|
|
return -1; |
|
|
|
|
|
if (!GetDateFormat (LOCALE_USER_DEFAULT, DATE_SHORTDATE, &st, |
|
|
NULL, loc_date, loclen)) |
|
|
return -1; |
|
|
return 0; |
|
1198 |
} |
} |
1199 |
|
|
1200 |
|
|
1201 |
|
/* Peek the next 3 bytes to check if the next line |
1202 |
|
would be a new "pub" record. In this case, return |
1203 |
|
-1 as an EOF indication, 0 otherwise. */ |
1204 |
|
static int |
1205 |
|
is_key_eof (int fd) |
1206 |
|
{ |
1207 |
|
char buf[64]; |
1208 |
|
int n; |
1209 |
|
|
1210 |
|
n = recv (fd, buf, 3, MSG_PEEK); |
1211 |
|
if (n < 3 || strncmp (buf, "pub", 3)) |
1212 |
|
return 0; |
1213 |
|
return -1; |
1214 |
|
} |
1215 |
|
|
1216 |
|
|
1217 |
|
/* Return the next key from the search response. */ |
1218 |
int |
int |
1219 |
kserver_search_next (int fd, keyserver_key *key) |
kserver_search_next (int fd, keyserver_key_s **r_key) |
1220 |
{ |
{ |
1221 |
char buf[1024], *p; |
keyserver_uid_s *uid, *u = NULL; |
1222 |
int uidlen, nbytes, pos = 0; |
keyserver_key_s *key; |
1223 |
|
char buf[512]; |
1224 |
|
int n = 0; |
1225 |
|
long max = 0; |
1226 |
|
|
1227 |
log_debug ("keyserver_search_next:\r\n"); |
log_debug ("keyserver_search_next:\r\n"); |
1228 |
|
*r_key = NULL; |
|
if (sock_getline (fd, buf, sizeof (buf) - 1, &nbytes)) |
|
|
return WPTERR_GENERAL; |
|
1229 |
|
|
1230 |
/* XXX: use maschine readable option. */ |
key = new keyserver_key_s; |
1231 |
log_debug ("%s\r\n", buf); |
memset (key, 0, sizeof *key); |
1232 |
|
for (;;) { |
1233 |
if (!strncmp (buf, "pub", 3)) { |
if (sock_getline (fd, buf, sizeof (buf)-1, &n)) |
1234 |
int revoked = strstr (buf, "KEY REVOKED") != NULL? 1 : 0; |
break; |
1235 |
key->bits = atol (buf+3); |
if (!strncmp (buf, "pub", 3)) |
1236 |
p = strchr (buf, '>'); |
parse_pub_record (key, buf); |
1237 |
if (!p) |
else |
1238 |
goto fail; |
parse_uid_record (key, buf); |
1239 |
pos = p - buf + 1; |
if (is_key_eof (fd)) |
1240 |
memcpy (key->keyid, buf + pos, 8); |
break; |
1241 |
key->keyid[8] = '\0'; |
} |
|
p = strstr (buf, "</a>"); |
|
|
if (!p) |
|
|
goto fail; |
|
|
pos = p - buf + 5; |
|
|
memcpy (key->date, buf + pos, 10); |
|
|
key->date[10] = '\0'; |
|
|
parse_iso_date (key->date, key->date, sizeof (key->date)-1); |
|
|
if (revoked) { |
|
|
strcpy (key->uid, "KEY REVOKED: not checked"); |
|
|
return 0; |
|
|
} |
|
|
pos += 10; |
|
|
p = buf + pos + 1; |
|
|
while (p && *p != '>') |
|
|
p++; |
|
|
p++; |
|
|
uidlen = strlen (p) - 10; |
|
|
if (!strstr (p, "<") && !strstr (p, ">")) { |
|
|
pos=0; |
|
|
while (p && *p && pos < sizeof (key->uid)-1) { |
|
|
if (*p == '<') |
|
|
break; |
|
|
key->uid[pos++] = *p++; |
|
|
} |
|
|
key->uid[pos] ='\0'; |
|
|
return 0; |
|
|
} |
|
1242 |
|
|
1243 |
if (uidlen > sizeof (key->uid)-1) |
/* the uid with the newest self sig is used as the |
1244 |
uidlen = sizeof (key->uid)-1; |
primary user id. */ |
1245 |
memcpy (key->uid, p, uidlen); |
for (uid = key->uids; uid; uid = uid->next) { |
1246 |
key->uid[uidlen] = '\0'; |
if (uid->creation > max) { |
1247 |
strcat (key->uid, ">"); |
max = uid->creation; |
1248 |
p = strchr (key->uid, '&'); |
u = uid; |
|
if (p) { |
|
|
key->uid[(p-key->uid)] = '<'; |
|
|
memmove (key->uid+(p-key->uid)+1, key->uid+(p-key->uid)+4, |
|
|
strlen (key->uid)-3); |
|
1249 |
} |
} |
|
return 0; |
|
1250 |
} |
} |
1251 |
|
|
1252 |
fail: |
key->main_uid = u? u : key->uids; |
1253 |
key->bits = 0; |
*r_key = key; |
|
memset (key, 0, sizeof *key); |
|
1254 |
return 0; |
return 0; |
1255 |
} |
} |
1256 |
|
|
1257 |
|
|
1258 |
|
/* Release the keyserver key @key and all its elements. */ |
1259 |
|
void |
1260 |
|
kserver_release_key (keyserver_key_s *key) |
1261 |
|
{ |
1262 |
|
keyserver_uid_s *u; |
1263 |
|
|
1264 |
|
while (key->uids) { |
1265 |
|
u = key->uids->next; |
1266 |
|
free_if_alloc (key->uids->uid); |
1267 |
|
free_if_alloc (key->uids); |
1268 |
|
key->uids = u; |
1269 |
|
} |
1270 |
|
free_if_alloc (key->keyid); |
1271 |
|
free_if_alloc (key); |
1272 |
|
} |
1273 |
|
|
1274 |
|
|
1275 |
/* Release mbmers in the proxy context @ctx. */ |
/* Release mbmers in the proxy context @ctx. */ |
1276 |
void |
void |
1277 |
kserver_proxy_release (keyserver_proxy_t ctx) |
kserver_proxy_release (keyserver_proxy_t ctx) |
1321 |
|
|
1322 |
p = get_gnupg_prog (); |
p = get_gnupg_prog (); |
1323 |
n = strlen (p) + 1 + 128; |
n = strlen (p) + 1 + 128; |
1324 |
ksprg = new char[n+1]; |
ksprg = safe_alloc (n+1); |
1325 |
if (!ksprg) |
if (!ksprg) |
1326 |
BUG (0); |
BUG (0); |
1327 |
sep = strrchr (p, '\\'); |
sep = strrchr (p, '\\'); |
1355 |
host? skip_type_prefix (host): "64.94.85.200", keyid); |
host? skip_type_prefix (host): "64.94.85.200", keyid); |
1356 |
fclose (fp); |
fclose (fp); |
1357 |
|
|
1358 |
p = new char[strlen (ksprg) + strlen (inf) + strlen (outf) + 32]; |
p = safe_alloc (strlen (ksprg) + strlen (inf) + strlen (outf) + 32); |
|
if (!p) |
|
|
BUG (NULL); |
|
1359 |
sprintf (p, "%s -o %s %s", ksprg, outf, inf); |
sprintf (p, "%s -o %s %s", ksprg, outf, inf); |
1360 |
if (spawn_application (p)) { |
if (spawn_application (p)) { |
1361 |
fp = NULL; |
fp = NULL; |
1482 |
} |
} |
1483 |
return 0; |
return 0; |
1484 |
} |
} |
1485 |
|
|
1486 |
|
|
1487 |
|
/* Split the URL @r_keyserver into the host and the port |
1488 |
|
part if possible. */ |
1489 |
|
gpgme_error_t |
1490 |
|
parse_keyserver_url (char **r_keyserver, unsigned short *r_port) |
1491 |
|
{ |
1492 |
|
char *p; |
1493 |
|
char *url = *r_keyserver; |
1494 |
|
|
1495 |
|
/* no port is given so use the default port. */ |
1496 |
|
p = strrchr (url, ':'); |
1497 |
|
if (p == strchr (url, ':')) { |
1498 |
|
int port = port_from_proto (proto_from_URL (url)); |
1499 |
|
if (!port) |
1500 |
|
port = HKP_PORT; |
1501 |
|
*r_port = port; |
1502 |
|
return 0; |
1503 |
|
} |
1504 |
|
/* XXX: remove / in .de/:11371 */ |
1505 |
|
*r_keyserver = substr (url, 0, (p-url)); |
1506 |
|
*r_port = atoi (url+(p-url)+1); |
1507 |
|
safe_free (url); |
1508 |
|
return 0; |
1509 |
|
} |