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-rw-r--r--src/eyetil.cc9
1 files changed, 0 insertions, 9 deletions
diff --git a/src/eyetil.cc b/src/eyetil.cc
index 5bceec7..5489d7b 100644
--- a/src/eyetil.cc
+++ b/src/eyetil.cc
@@ -1,203 +1,194 @@
1#include <stdlib.h> 1#include <stdlib.h>
2#include <sys/stat.h> 2#include <sys/stat.h>
3#include <syslog.h> 3#include <syslog.h>
4#include <iostream> 4#include <iostream>
5#include <cassert> 5#include <cassert>
6#include <stdexcept> 6#include <stdexcept>
7#include <algorithm> 7#include <algorithm>
8#include <numeric> 8#include <numeric>
9#include <openssl/md5.h> 9#include <openssl/md5.h>
10#include "eyetil.h" 10#include "eyetil.h"
11 11
12#include "config.h" 12#include "config.h"
13#ifdef HAVE_LIBUUID 13#ifdef HAVE_LIBUUID
14# include <uuid/uuid.h> 14# include <uuid/uuid.h>
15#endif 15#endif
16 16
17binary_t& binary_t::from_hex(const std::string& h) { 17binary_t& binary_t::from_hex(const std::string& h) {
18 std::string::size_type hs = h.length(); 18 std::string::size_type hs = h.length();
19 if(hs&1) 19 if(hs&1)
20 throw std::runtime_error("odd number of characters in hexadecimal number"); 20 throw std::runtime_error("odd number of characters in hexadecimal number");
21 size_t rvs = hs>>1; 21 size_t rvs = hs>>1;
22 resize(rvs); 22 resize(rvs);
23 const unsigned char *hp = (const unsigned char*)h.data(); 23 const unsigned char *hp = (const unsigned char*)h.data();
24 iterator oi=begin(); 24 iterator oi=begin();
25 char t[3] = { 0,0,0 }; 25 char t[3] = { 0,0,0 };
26 for(size_t i=0;i<rvs;++i) { 26 for(size_t i=0;i<rvs;++i) {
27 t[0]=*(hp++); t[1]=*(hp++); 27 t[0]=*(hp++); t[1]=*(hp++);
28 *(oi++) = static_cast<binary_t::value_type>(0xff&strtol(t,0,16)); 28 *(oi++) = static_cast<binary_t::value_type>(0xff&strtol(t,0,16));
29 } 29 }
30 return *this; 30 return *this;
31} 31}
32 32
33binary_t& binary_t::from_data(const void *d,size_t s) { 33binary_t& binary_t::from_data(const void *d,size_t s) {
34 resize(s); 34 resize(s);
35 std::copy((const unsigned char*)d,(const unsigned char *)d+s, 35 std::copy((const unsigned char*)d,(const unsigned char *)d+s,
36 begin() ); 36 begin() );
37 return *this; 37 return *this;
38} 38}
39 39
40binary_t& binary_t::make_nonce() { 40binary_t& binary_t::make_nonce() {
41#ifdef HAVE_LIBUUID 41#ifdef HAVE_LIBUUID
42 uuid_t uuid; 42 uuid_t uuid;
43 uuid_generate(uuid); 43 uuid_generate(uuid);
44 from_data((unsigned char*)uuid,sizeof(uuid)); 44 from_data((unsigned char*)uuid,sizeof(uuid));
45#else 45#else
46 resize(16); 46 resize(16);
47 std::generate_n(begin(),16,rand); 47 std::generate_n(begin(),16,rand);
48#endif /* HAVE_LIBUUID */ 48#endif /* HAVE_LIBUUID */
49 return *this; 49 return *this;
50} 50}
51 51
52std::string binary_t::hex() const { 52std::string binary_t::hex() const {
53 std::string rv; 53 std::string rv;
54 rv.reserve((size()<<1)+1); 54 rv.reserve((size()<<1)+1);
55 char t[3] = {0,0,0}; 55 char t[3] = {0,0,0};
56 for(const_iterator i=begin(),ie=end();i!=ie;++i) { 56 for(const_iterator i=begin(),ie=end();i!=ie;++i) {
57 size_t rc = snprintf(t,sizeof(t),"%02x",*i); 57 size_t rc = snprintf(t,sizeof(t),"%02x",*i);
58 assert(rc<sizeof(t)); 58 assert(rc<sizeof(t));
59 rv += t; 59 rv += t;
60 } 60 }
61 return rv; 61 return rv;
62} 62}
63 63
64binary_t binary_t::md5() const { 64binary_t binary_t::md5() const {
65 binary_t rv(MD5_DIGEST_LENGTH); 65 binary_t rv(MD5_DIGEST_LENGTH);
66 if(!MD5( 66 if(!MD5(
67 (const unsigned char*)&(front()),size(), 67 (const unsigned char*)&(front()),size(),
68 (unsigned char*)&(rv.front()) )) 68 (unsigned char*)&(rv.front()) ))
69 throw std::runtime_error("failed to md5()"); 69 throw std::runtime_error("failed to md5()");
70 return rv; 70 return rv;
71} 71}
72 72
73void md5_digester::init() { 73void md5_digester::init() {
74 if(!MD5_Init(&ctx)) throw std::runtime_error("failed to MD5_Init()"); 74 if(!MD5_Init(&ctx)) throw std::runtime_error("failed to MD5_Init()");
75} 75}
76void md5_digester::update(const void *d,size_t l) { 76void md5_digester::update(const void *d,size_t l) {
77 if(!MD5_Update(&ctx,d,l)) throw std::runtime_error("failed to MD5_Update()"); 77 if(!MD5_Update(&ctx,d,l)) throw std::runtime_error("failed to MD5_Update()");
78} 78}
79binary_t md5_digester::final() { 79binary_t md5_digester::final() {
80 binary_t rv(MD5_DIGEST_LENGTH); 80 binary_t rv(MD5_DIGEST_LENGTH);
81 if(!MD5_Final((unsigned char*)&(rv.front()), &ctx)) 81 if(!MD5_Final((unsigned char*)&(rv.front()), &ctx))
82 throw std::runtime_error("failed to MD5_Final()"); 82 throw std::runtime_error("failed to MD5_Final()");
83 return rv; 83 return rv;
84} 84}
85 85
86uint16_t block512_t::tcpcksum(block512_t& data) { 86uint16_t block512_t::tcpcksum(block512_t& data) {
87 uint32_t sum = std::accumulate(data.data,data.data+words,0); 87 uint32_t sum = std::accumulate(data.data,data.data+words,0);
88 while(uint32_t hw = sum>>16) sum = (sum&0xffff)+hw; 88 while(uint32_t hw = sum>>16) sum = (sum&0xffff)+hw;
89 return 0xffff&~sum; 89 return 0xffff&~sum;
90} 90}
91 91
92void integrity_digester::update(const void *d_,size_t s) { 92void integrity_digester::update(const void *d_,size_t s) {
93 uint8_t *d=(uint8_t*)d_; 93 uint8_t *d=(uint8_t*)d_;
94 if(data_size) { 94 if(data_size) {
95 int l = sizeof(data)-data_size; 95 int l = sizeof(data)-data_size;
96 if(l>s) { 96 if(l>s) {
97 memmove(data.dptr(data_size),d,s); data_size+=s; return; 97 memmove(data.dptr(data_size),d,s); data_size+=s; return;
98 } 98 }
99 memmove(data.dptr(data_size),d,l); d+=l; s-=l; 99 memmove(data.dptr(data_size),d,l); d+=l; s-=l;
100 md5.update<uint16_t>( data.tcpcksum(data) ); 100 md5.update<uint16_t>( data.tcpcksum(data) );
101 } 101 }
102 if(s<sizeof(data)) { 102 if(s<sizeof(data)) {
103 memmove(data.dptr(0),d,s); data_size=s; return; 103 memmove(data.dptr(0),d,s); data_size=s; return;
104 } 104 }
105 size_t bb=s/sizeof(block512_t); 105 size_t bb=s/sizeof(block512_t);
106 std::transform((block512_t*)d,((block512_t*)d)+bb, 106 std::transform((block512_t*)d,((block512_t*)d)+bb,
107 md5.updater<uint16_t>(),block512_t::tcpcksum); 107 md5.updater<uint16_t>(),block512_t::tcpcksum);
108 size_t ss=bb*sizeof(block512_t); 108 size_t ss=bb*sizeof(block512_t);
109 d+=ss; s-=ss; 109 d+=ss; s-=ss;
110 assert(s<sizeof(block512_t)); 110 assert(s<sizeof(block512_t));
111 if(s) memmove(data.dptr(0),d,data_size=s); 111 if(s) memmove(data.dptr(0),d,data_size=s);
112} 112}
113 113
114binary_t integrity_digester::final(const std::string& ukey) { 114binary_t integrity_digester::final(const std::string& ukey) {
115 assert(!data_size); 115 assert(!data_size);
116 md5.update( binary_t(ukey) ); 116 md5.update( binary_t(ukey) );
117 return md5.final(); 117 return md5.final();
118} 118}
119 119
120static void make_path_for_template(const std::string& p,mode_t m) { 120static void make_path_for_template(const std::string& p,mode_t m) {
121 struct stat st; 121 struct stat st;
122 std::string pp; 122 std::string pp;
123 for(std::string::size_type sl=p.find('/',1); 123 for(std::string::size_type sl=p.find('/',1);
124 sl!=std::string::npos; 124 sl!=std::string::npos;
125 sl=p.find('/',sl+1)) { 125 sl=p.find('/',sl+1)) {
126 if(stat( (pp=p.substr(0,sl)).c_str() ,&st) 126 if(stat( (pp=p.substr(0,sl)).c_str() ,&st)
127 || !S_ISDIR(st.st_mode)) { 127 || !S_ISDIR(st.st_mode)) {
128 if(mkdir(pp.c_str(),m)) 128 if(mkdir(pp.c_str(),m))
129 throw std::runtime_error("failed to mkdir()"); 129 throw std::runtime_error("failed to mkdir()");
130 } 130 }
131 } 131 }
132} 132}
133 133
134tmpdir_t::tmpdir_t(const std::string& dt) : dir(dt) { 134tmpdir_t::tmpdir_t(const std::string& dt) : dir(dt) {
135 make_path_for_template(dt,0777); 135 make_path_for_template(dt,0777);
136 if(!mkdtemp((char*)dir.data())) 136 if(!mkdtemp((char*)dir.data()))
137 throw std::runtime_error("failed to mkdtmp()"); 137 throw std::runtime_error("failed to mkdtmp()");
138} 138}
139tmpdir_t::~tmpdir_t() { 139tmpdir_t::~tmpdir_t() {
140 assert(!dir.empty()); 140 assert(!dir.empty());
141 if(rmdir(dir.c_str())) { 141 if(rmdir(dir.c_str())) {
142 syslog(LOG_WARNING,"Failed to remove '%s' directory",dir.c_str()); 142 syslog(LOG_WARNING,"Failed to remove '%s' directory",dir.c_str());
143 } 143 }
144} 144}
145 145
146std::string tmpdir_t::get_file(const std::string& f) { 146std::string tmpdir_t::get_file(const std::string& f) {
147 std::string::size_type ls = f.rfind('/'); 147 std::string::size_type ls = f.rfind('/');
148 return dir+'/'+( 148 return dir+'/'+(
149 (ls==std::string::npos) 149 (ls==std::string::npos)
150 ? f 150 ? f
151 : f.substr(ls+1) 151 : f.substr(ls+1)
152 ); 152 );
153} 153}
154 154
155tarchive_t::tarchive_t(const char *fn) : a(archive_read_new()), e(0) { 155tarchive_t::tarchive_t(const char *fn) : a(archive_read_new()), e(0) {
156 if(!a) throw std::runtime_error("failed to archive_read_new()"); 156 if(!a) throw std::runtime_error("failed to archive_read_new()");
157 if(archive_read_support_format_tar(a)) { 157 if(archive_read_support_format_tar(a)) {
158 archive_read_finish(a); 158 archive_read_finish(a);
159 throw std::runtime_error("failed to archive_read_support_format_tar()"); 159 throw std::runtime_error("failed to archive_read_support_format_tar()");
160 } 160 }
161 if(archive_read_open_filename(a,fn,16384)) { 161 if(archive_read_open_filename(a,fn,16384)) {
162 archive_read_finish(a); 162 archive_read_finish(a);
163 throw std::runtime_error("failed to archive_read_open_memory()"); 163 throw std::runtime_error("failed to archive_read_open_memory()");
164 } 164 }
165} 165}
166tarchive_t::~tarchive_t() { 166tarchive_t::~tarchive_t() {
167 assert(a); 167 assert(a);
168 archive_read_finish(a); 168 archive_read_finish(a);
169} 169}
170 170
171bool tarchive_t::read_next_header() { 171bool tarchive_t::read_next_header() {
172 assert(a); 172 assert(a);
173 return archive_read_next_header(a,&e)==ARCHIVE_OK; 173 return archive_read_next_header(a,&e)==ARCHIVE_OK;
174} 174}
175 175
176std::string tarchive_t::entry_pathname() { 176std::string tarchive_t::entry_pathname() {
177 assert(a); assert(e); 177 assert(a); assert(e);
178 return archive_entry_pathname(e); 178 return archive_entry_pathname(e);
179} 179}
180 180
181bool tarchive_t::read_data_into_fd(int fd) { 181bool tarchive_t::read_data_into_fd(int fd) {
182 assert(a); 182 assert(a);
183 return archive_read_data_into_fd(a,fd)==ARCHIVE_OK; 183 return archive_read_data_into_fd(a,fd)==ARCHIVE_OK;
184} 184}
185 185
186
187binary_t integrity_digest(const void *ptr,size_t size,const std::string& ukey) {
188 md5_digester rv;
189 std::transform( (block512_t*)ptr, ((block512_t*)ptr)+size/sizeof(block512_t),
190 rv.updater<uint16_t>(), block512_t::tcpcksum );
191 rv.update( binary_t(ukey) );
192 return rv.final();
193}
194
195mimewrite_tarfile::mimewrite_tarfile(tmpdir_t& d) { 186mimewrite_tarfile::mimewrite_tarfile(tmpdir_t& d) {
196 f.open((fn=d.get_file("the-tarfile.tar")).c_str(),std::ios_base::in|std::ios_base::out|std::ios_base::trunc|std::ios_base::binary); 187 f.open((fn=d.get_file("the-tarfile.tar")).c_str(),std::ios_base::in|std::ios_base::out|std::ios_base::trunc|std::ios_base::binary);
197} 188}
198mimewrite_tarfile::~mimewrite_tarfile() { 189mimewrite_tarfile::~mimewrite_tarfile() {
199 unlink(fn.c_str()); 190 unlink(fn.c_str());
200} 191}
201int mimewrite_tarfile::write(const char *buf,size_t len) { 192int mimewrite_tarfile::write(const char *buf,size_t len) {
202 return f.write(buf,len) ? (idigest.update(buf,len),SOAP_OK) : SOAP_ERR; 193 return f.write(buf,len) ? (idigest.update(buf,len),SOAP_OK) : SOAP_ERR;
203} 194}