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Commit | Line | Data |
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de56407f | 1 | /* |
2 | * $Source$ | |
3 | * $Header$ | |
4 | */ | |
546bc43b | 5 | /* (c) Copyright 1988 by the Massachusetts Institute of Technology. */ |
6 | /* For copying and distribution information, please see the file */ | |
7 | /* <mit-copyright.h>. */ | |
de56407f | 8 | |
9 | #ifndef lint | |
10 | static char *rcsid_send_file_c = "$Header$"; | |
11 | #endif lint | |
12 | ||
546bc43b | 13 | #include <mit-copyright.h> |
de56407f | 14 | #include <stdio.h> |
7100d074 | 15 | #include <com_err.h> |
16 | #include <gdb.h> | |
17 | #include <dcm.h> | |
2ad0a777 | 18 | #include <moira.h> |
de56407f | 19 | #include <sys/file.h> |
7100d074 | 20 | #include <sys/stat.h> |
d599d457 | 21 | #include <des.h> |
22 | #include <krb.h> | |
7100d074 | 23 | #include <update.h> |
f9cccf91 | 24 | #ifdef POSIX |
25 | #include <sys/fcntl.h> | |
26 | #endif | |
de56407f | 27 | |
28 | extern CONNECTION conn; | |
29 | extern int errno; | |
30 | char buf[BUFSIZ]; | |
d599d457 | 31 | extern C_Block session; |
de56407f | 32 | |
33 | /* | |
34 | * syntax: | |
35 | * (already sent) pathname file_size checksum | |
36 | * <<< (int)code can we send it? | |
37 | * >>> data | |
38 | * <<< 0 | |
39 | * >>> data | |
40 | * <<< 0 | |
41 | * .... | |
42 | * >>> data (last block) | |
43 | * <<< 0 (on final write, close, sync, checksum) | |
44 | * | |
45 | * returns: | |
46 | * 0 on success | |
47 | * 1 on error (file not found, etc) | |
48 | */ | |
49 | ||
50 | int | |
d599d457 | 51 | send_file(pathname, target_path, encrypt) |
7100d074 | 52 | char *pathname; |
53 | char *target_path; | |
d599d457 | 54 | int encrypt; |
de56407f | 55 | { |
d599d457 | 56 | int n, fd, code, n_to_send, i; |
de56407f | 57 | STRING data; |
d599d457 | 58 | unsigned char dst[UPDATE_BUFSIZ + 8], *src; |
7100d074 | 59 | struct stat statb; |
d599d457 | 60 | des_key_schedule sched; |
61 | des_cblock ivec; | |
de56407f | 62 | |
7100d074 | 63 | /* send file over */ |
de56407f | 64 | fd = open(pathname, O_RDONLY, 0); |
7100d074 | 65 | if (fd < 0) { |
66 | com_err(whoami, errno, "unable to open %s for read", pathname); | |
2ad0a777 | 67 | return(MR_OCONFIG); |
7100d074 | 68 | } |
69 | if (fstat(fd, &statb)) { | |
70 | com_err(whoami, errno, "unable to stat %s", pathname); | |
71 | close(fd); | |
2ad0a777 | 72 | return(MR_OCONFIG); |
7100d074 | 73 | } |
74 | n_to_send = statb.st_size; | |
75 | ||
d599d457 | 76 | string_alloc(&data, UPDATE_BUFSIZ); |
77 | sprintf(STRING_DATA(data), "XFER_00%c %d %d %s", | |
78 | (encrypt ? '3' : '2'), n_to_send, | |
79 | checksum_file(pathname), target_path); | |
7100d074 | 80 | code = send_object(conn, (char *)&data, STRING_T); |
81 | if (code) { | |
d599d457 | 82 | com_err(whoami, code, " sending XFER request"); |
7100d074 | 83 | close(fd); |
84 | return(code); | |
de56407f | 85 | } |
7100d074 | 86 | code = receive_object(conn, (char *)&n, INTEGER_T); |
87 | if (code) { | |
d599d457 | 88 | com_err(whoami, code, " getting reply from XFER request"); |
7100d074 | 89 | close(fd); |
90 | return(code); | |
91 | } | |
92 | if (n) { | |
d599d457 | 93 | com_err(whoami, n, " transfer request (XFER) rejected"); |
7100d074 | 94 | close(fd); |
95 | return(n); | |
96 | } | |
97 | ||
de56407f | 98 | code = receive_object(conn, (char *)&n, INTEGER_T); |
99 | if (code) { | |
100 | com_err(whoami, connection_errno(conn), ": lost connection"); | |
de56407f | 101 | close(fd); |
7100d074 | 102 | return(code); |
de56407f | 103 | } |
104 | if (n) { | |
7100d074 | 105 | com_err(whoami, n, " from remote server: can't update %s", |
de56407f | 106 | pathname); |
de56407f | 107 | close(fd); |
7100d074 | 108 | return(n); |
de56407f | 109 | } |
77ac78dc | 110 | |
d599d457 | 111 | if (encrypt) { |
112 | #ifdef DEBUG | |
113 | printf("Session key %02x %02x %02x %02x %02x %02x %02x %02x\n", | |
114 | session[0], session[1], session[2], session[3], | |
115 | session[4], session[5], session[6], session[7]); | |
116 | #endif /* DEBUG */ | |
117 | des_key_sched(session, sched); | |
f9cccf91 | 118 | #ifdef POSIX |
119 | memmove(ivec, session, sizeof(ivec)); | |
120 | #else | |
d599d457 | 121 | bcopy(session, ivec, sizeof(ivec)); |
f9cccf91 | 122 | #endif |
d599d457 | 123 | } |
124 | ||
de56407f | 125 | while (n_to_send > 0) { |
126 | #ifdef DEBUG | |
127 | printf("n_to_send = %d\n", n_to_send); | |
128 | #endif /* DEBUG */ | |
129 | n = read(fd, STRING_DATA(data), UPDATE_BUFSIZ); | |
130 | if (n < 0) { | |
7100d074 | 131 | com_err(whoami, errno, " reading %s for transmission", pathname); |
de56407f | 132 | close(fd); |
2ad0a777 | 133 | return(MR_ABORTED); |
de56407f | 134 | } |
135 | MAX_STRING_SIZE(data) = n; | |
d599d457 | 136 | if (encrypt) { |
137 | src = (unsigned char *)STRING_DATA(data); | |
f9cccf91 | 138 | #ifdef POSIX |
139 | memmove(dst, src, n); | |
140 | #else | |
d599d457 | 141 | bcopy(src, dst, n); |
f9cccf91 | 142 | #endif |
143 | memset(dst + n, 0, 7); | |
d599d457 | 144 | /* encrypt! */ |
145 | des_pcbc_encrypt(dst, src, n, sched, ivec, 0); | |
146 | /* save vector to continue chaining */ | |
147 | for (i = 0; i < 8; i++) | |
148 | ivec[i] = dst[n - 8 + i] ^ src[n - 8 + i]; | |
149 | /* round up to multiple of 8 */ | |
150 | data.length = (data.length + 7) & 0xfffffff8; | |
151 | } | |
de56407f | 152 | code = send_object(conn, (char *)&data, STRING_T); |
153 | if (code) { | |
7100d074 | 154 | com_err(whoami, connection_errno(conn), " transmitting file %s", |
155 | pathname); | |
de56407f | 156 | close(fd); |
7100d074 | 157 | return(code); |
de56407f | 158 | } |
159 | n_to_send -= n; | |
160 | code = receive_object(conn, (char *)&n, INTEGER_T); | |
161 | if (code) { | |
7100d074 | 162 | com_err(whoami, connection_errno(conn), |
163 | " awaiting ACK remote server during transmission of %s", | |
164 | pathname); | |
de56407f | 165 | close(fd); |
7100d074 | 166 | return(code); |
de56407f | 167 | } |
168 | if (n) { | |
7100d074 | 169 | com_err(whoami, n, " from remote server during transmission of %s", |
170 | pathname); | |
de56407f | 171 | close(fd); |
7100d074 | 172 | return(n); |
de56407f | 173 | } |
174 | } | |
77ac78dc | 175 | if (statb.st_size == 0) { |
176 | code = receive_object(conn, (char *)&n, INTEGER_T); | |
177 | if (code) { | |
178 | com_err(whoami, connection_errno(conn), | |
179 | " awaiting ACK remote server after transmission of %s", | |
180 | pathname); | |
181 | close(fd); | |
182 | return(code); | |
183 | } | |
184 | if (n) { | |
185 | com_err(whoami, n, " from remote server after transmission of %s", | |
186 | pathname); | |
187 | close(fd); | |
188 | return(n); | |
189 | } | |
190 | } | |
de56407f | 191 | close(fd); |
2ad0a777 | 192 | return(MR_SUCCESS); |
de56407f | 193 | } |