version 1.2, 2014/02/05 15:44:06
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version 1.7, 2014/02/06 15:32:11
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Line 44 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF TH
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Line 44 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF TH
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SUCH DAMAGE. |
SUCH DAMAGE. |
*/ |
*/ |
#include "global.h" |
#include "global.h" |
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#include "imgupd.h" |
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char imgName[PATH_MAX], imgFile[PATH_MAX]; |
char imgName[PATH_MAX], imgFile[PATH_MAX]; |
off_t imgSize, iSize; | off_t imgSize, iSize, fromBegin; |
int Verbose; | int Verbose, nameFlg, fileFlg, bufSize = IMGBUF_SIZE; |
extern char compiled[], compiledby[], compilehost[]; |
extern char compiled[], compiledby[], compilehost[]; |
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static void |
static void |
Line 57 Usage()
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Line 58 Usage()
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printf( "IMGUPD is tool for management of images\n" |
printf( "IMGUPD is tool for management of images\n" |
"=== %s === %s@%s ===\n\n" |
"=== %s === %s@%s ===\n\n" |
" Syntax: imgupd [options] <image_file>\n\n" | " Syntax: imgupd [options] [image_file]\n\n" |
"\t-v\t\tVerbose ...\n" |
"\t-v\t\tVerbose ...\n" |
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"\t-R\t\tReboot system after complete\n" |
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"\t-i\t\tStart fill storage from begin\n" |
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"\t-g\t\tGet image from Storage\n" |
"\t-t\t\tTruncate Storage file name\n" |
"\t-t\t\tTruncate Storage file name\n" |
"\t-s <size>\tStorage size (required for stdin)\n" |
"\t-s <size>\tStorage size (required for stdin)\n" |
"\t-f <devfile>\tStorage file name\n" |
"\t-f <devfile>\tStorage file name\n" |
Line 66 Usage()
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Line 70 Usage()
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} |
} |
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static int |
static int |
EmptyStore(int img) | getFDtype(int fd) |
{ |
{ |
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int type, flg = 0; |
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struct stat sb; |
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if (fstat(fd, &sb) == -1) { |
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ESYSERR(0); |
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return -1; |
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} |
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if (S_ISREG(sb.st_mode)) |
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flg |= FD_TRUNC; |
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if (S_ISCHR(sb.st_mode) || S_ISBLK(sb.st_mode)) { |
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if (ioctl(fd, FIODTYPE, &type) == -1) { |
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ESYSERR(0); |
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return -1; |
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} |
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if (type & D_TAPE) |
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flg |= FD_TAPE; |
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else if (type & (D_DISK | D_MEM)) |
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flg |= FD_SEEK; |
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if (S_ISCHR(sb.st_mode) && !(type & D_TAPE)) |
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flg |= FD_CHR; |
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goto end; |
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} |
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errno ^= errno; |
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if (lseek(fd, 0, SEEK_CUR) == -1 && errno == ESPIPE) |
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flg |= FD_PIPE; |
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else |
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flg |= FD_SEEK; |
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end: |
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return flg; |
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} |
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static int |
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EmptyStore(int img, int flg) |
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{ |
register int i; |
register int i; |
u_char buf[IMGBUF_SIZE]; | u_char buf[bufSize]; |
ssize_t wlen; |
ssize_t wlen; |
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VERB(1) printf("Erase store %s\n", imgName); |
VERB(1) printf("Erase store %s\n", imgName); |
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iSize = lseek(img, 0, SEEK_END); | if (!fromBegin && flg & FD_SEEK) { |
if (iSize == -1) { | iSize = lseek(img, 0, SEEK_END); |
ESYSERR(0); | if (iSize == -1) { |
return -1; | ESYSERR(0); |
| return -1; |
| } else |
| imgSize += E_ALIGN(iSize, bufSize); |
} else |
} else |
imgSize += E_ALIGN(iSize, IMGBUF_SIZE); | iSize ^= iSize; |
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memset(buf, 0, sizeof buf); |
memset(buf, 0, sizeof buf); |
for (i = howmany(iSize, IMGBUF_SIZE); i < howmany(imgSize, IMGBUF_SIZE); i++) | for (i = howmany(iSize, bufSize); i < howmany(imgSize, bufSize); i++) |
if ((wlen = write(img, buf, sizeof buf)) == -1 || | if ((wlen = write(img, buf, bufSize)) == -1 || |
wlen != sizeof buf) { | (wlen && wlen != bufSize)) { |
EERROR(EIO, "Error at chunk %d init %d bytes, should be %u\n", | if (wlen == -1) |
i, wlen, sizeof buf); | ESYSERR(0); |
| else |
| EERROR(EIO, "Error at chunk %d init %d bytes, " |
| "should be %u\n", i, wlen, bufSize); |
return -1; |
return -1; |
} else |
} else |
VERB(1) printf("+Written chunk #%d\n", i); |
VERB(1) printf("+Written chunk #%d\n", i); |
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iSize = lseek(img, iSize, SEEK_SET); | if (flg & FD_SEEK) |
| iSize = lseek(img, iSize, SEEK_SET); |
return iSize; |
return iSize; |
} |
} |
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static int |
static int |
FillStore(int img, int fd) | FillStore(int img, int iflg, int fd, int fflg) |
{ |
{ |
register int i, j; |
register int i, j; |
u_char buf[IMGBUF_SIZE]; | u_char *pos, buf[bufSize]; |
ssize_t rlen, wlen; | ssize_t rlen, wlen, len; |
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VERB(1) printf("Fill store %s from image file %s\n", imgName, imgFile); |
VERB(1) printf("Fill store %s from image file %s\n", imgName, imgFile); |
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for (j = 0, i = howmany(iSize, IMGBUF_SIZE); i < howmany(imgSize, IMGBUF_SIZE); | for (j = 0, i = howmany(iSize, bufSize); i < howmany(imgSize, bufSize); |
i++, j++) { |
i++, j++) { |
memset(buf, 0, sizeof buf); |
memset(buf, 0, sizeof buf); |
rlen = read(fd, buf, sizeof buf); | for (len = bufSize, pos = buf; len > 0; len -= rlen, pos += rlen) { |
if (rlen == -1) { | rlen = read(fd, pos, len); |
ESYSERR(0); | if (rlen == -1) { |
return -1; | ESYSERR(0); |
} else if (!rlen) | return -1; |
break; | } else if (!rlen) |
else | break; |
VERB(1) printf("+Readed %d bytes for chunk #%d\n", rlen, j); | else |
| VERB(1) printf("+Readed %d bytes for chunk #%d\n", rlen, j); |
| } |
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wlen = write(img, buf, rlen); | wlen = write(img, buf, bufSize); |
if (wlen == -1) { |
if (wlen == -1) { |
ESYSERR(0); |
ESYSERR(0); |
return -1; |
return -1; |
} else if (!wlen || wlen != rlen) { | } else if (wlen && wlen != bufSize) { |
EERROR(EIO, "Readed %d bytes are not equal to written %d bytes\n", | EERROR(EIO, "Error at chunk %d written %d bytes, " |
rlen, wlen); | "should be %u\n", i, wlen, bufSize); |
} else |
} else |
VERB(1) printf("+Written %d bytes at chunk #%d\n", wlen, i); |
VERB(1) printf("+Written %d bytes at chunk #%d\n", wlen, i); |
} |
} |
Line 133 FillStore(int img, int fd)
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Line 180 FillStore(int img, int fd)
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int |
int |
main(int argc, char **argv) |
main(int argc, char **argv) |
{ |
{ |
char ch; | char ch, m = 0, R = 0; |
int fd, img, tr = 0; |
int fd, img, tr = 0; |
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while ((ch = getopt(argc, argv, "hvts:f:")) != -1) | while ((ch = getopt(argc, argv, "hvRigts:f:")) != -1) |
switch (ch) { |
switch (ch) { |
case 'f': |
case 'f': |
strlcpy(imgName, optarg, sizeof imgName); |
strlcpy(imgName, optarg, sizeof imgName); |
Line 151 main(int argc, char **argv)
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Line 198 main(int argc, char **argv)
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case 't': |
case 't': |
tr = O_TRUNC; |
tr = O_TRUNC; |
break; |
break; |
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case 'g': |
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m = 1; |
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case 'i': |
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fromBegin = 1; |
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break; |
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case 'R': |
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R = 1; |
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break; |
case 'v': |
case 'v': |
Verbose++; |
Verbose++; |
break; |
break; |
Line 162 main(int argc, char **argv)
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Line 217 main(int argc, char **argv)
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argc -= optind; |
argc -= optind; |
argv += optind; |
argv += optind; |
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if (argc) { | if (!m) { |
strlcpy(imgFile, *argv, sizeof imgFile); | if (argc) { |
/* open image file */ | strlcpy(imgFile, *argv, sizeof imgFile); |
fd = open(imgFile, O_RDONLY); | /* open image file */ |
if (fd == -1) { | fd = open(imgFile, O_RDONLY); |
| if (fd == -1) { |
| ESYSERR(0); |
| return 2; |
| } else |
| fileFlg = getFDtype(fd); |
| |
| if (fileFlg & FD_SEEK) { |
| iSize = lseek(fd, 0, SEEK_END); |
| if (!imgSize) |
| imgSize = E_ALIGN(iSize, bufSize); |
| if (iSize == -1 || iSize > imgSize) { |
| close(fd); |
| EERROR(ENOSPC, "Error:: file size %llu is " |
| "greater from storage size %llu\n", |
| iSize, imgSize); |
| return 2; |
| } else |
| lseek(fd, 0, SEEK_SET); |
| } |
| } else { |
| fd = STDIN_FILENO; |
| fileFlg = getFDtype(fd); |
| } |
| |
| if (!imgSize) { |
| if (fd > 2) |
| close(fd); |
| Usage(); |
| return 1; |
| } |
| } else { /* GET */ |
| if (argc) { |
| strlcpy(imgFile, *argv, sizeof imgFile); |
| /* open image file */ |
| fd = open(imgFile, O_WRONLY | O_TRUNC | O_CREAT, 0644); |
| if (fd == -1) { |
| ESYSERR(0); |
| return 2; |
| } else |
| fileFlg = getFDtype(fd); |
| } else { |
| fd = STDOUT_FILENO; |
| fileFlg = getFDtype(fd); |
| } |
| } |
| |
| VERB(1) printf("imgSize=%llu imgName=%s imgFile=%s\n", |
| imgSize, imgName, argc ? imgFile : "<stdin>"); |
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| if (!m) { |
| /* open storage device */ |
| img = open(imgName, O_RDWR | O_CREAT | tr, 0644); |
| if (img == -1) { |
ESYSERR(0); |
ESYSERR(0); |
return 2; | if (fd > 2) |
| close(fd); |
| return 3; |
} else |
} else |
iSize = lseek(fd, 0, SEEK_END); | nameFlg = getFDtype(img); |
if (!imgSize) | } else { /* GET */ |
imgSize = E_ALIGN(iSize, IMGBUF_SIZE); | /* open storage device */ |
if (iSize == -1 || iSize > imgSize) { | img = open(imgName, O_RDONLY); |
close(fd); | if (img == -1) { |
EERROR(ENOSPC, "Error:: file size %llu is greater from storage size %llu\n", | ESYSERR(0); |
iSize, imgSize); | if (fd > 2) |
return 2; | close(fd); |
| return 3; |
} else |
} else |
lseek(fd, 0, SEEK_SET); | nameFlg = getFDtype(img); |
} else if (!imgSize) { | |
Usage(); | |
return 1; | |
} else | |
fd = STDIN_FILENO; | |
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VERB(1) printf("imgSize=%llu imgName=%s imgFile=%s\n", | if (nameFlg & FD_SEEK) { |
imgSize, imgName, argc ? imgFile : "<stdin>"); | iSize = lseek(img, 0, SEEK_END); |
| if (!imgSize) |
| imgSize = E_ALIGN(iSize, bufSize); |
| if (iSize == -1 || iSize > imgSize) { |
| if (fd > 2) |
| close(fd); |
| close(img); |
| EERROR(ENOSPC, "Error:: storage size %llu is " |
| "greater from file size %llu\n", |
| iSize, imgSize); |
| return 3; |
| } else |
| lseek(img, 0, SEEK_SET); |
| } |
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/* open storage device */ | if (!imgSize) { |
img = open(imgName, O_RDWR | O_CREAT | tr, 0644); | if (fd > 2) |
if (img == -1) { | close(fd); |
ESYSERR(0); | Usage(); |
if (fd > 2) | return 1; |
close(fd); | } |
return 3; | |
} |
} |
if (EmptyStore(img) == -1) { |
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if (fd > 2) |
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close(fd); |
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close(img); |
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unlink(imgName); |
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return 3; |
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} |
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if (FillStore(img, fd) == -1) { | if (!m) { |
if (fd > 2) | if (EmptyStore(img, nameFlg) == -1) { |
close(fd); | if (fd > 2) |
close(img); | close(fd); |
unlink(imgName); | close(img); |
return 4; | return 3; |
| } |
| if (FillStore(img, nameFlg, fd, fileFlg) == -1) { |
| if (fd > 2) |
| close(fd); |
| close(img); |
| return 4; |
| } |
| } else { /* GET */ |
| iSize ^= iSize; |
| if (!(fileFlg & FD_PIPE)) |
| if (EmptyStore(fd, fileFlg) == -1) { |
| if (fd > 2) |
| close(fd); |
| close(img); |
| return 3; |
| } |
| if (FillStore(fd, fileFlg, img, nameFlg) == -1) { |
| if (fd > 2) |
| close(fd); |
| close(img); |
| return 4; |
| } |
} |
} |
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close(img); |
close(img); |
if (fd > 2) |
if (fd > 2) |
close(fd); |
close(fd); |
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if (R) |
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reboot(RB_AUTOBOOT); |
return 0; |
return 0; |
} |
} |