1*c5c4113dSnw141292 2*c5c4113dSnw141292 #pragma ident "%Z%%M% %I% %E% SMI" 3*c5c4113dSnw141292 4*c5c4113dSnw141292 /* 5*c5c4113dSnw141292 ** A utility for printing an SQLite database journal. 6*c5c4113dSnw141292 */ 7*c5c4113dSnw141292 #include <stdio.h> 8*c5c4113dSnw141292 #include <ctype.h> 9*c5c4113dSnw141292 #include <sys/types.h> 10*c5c4113dSnw141292 #include <sys/stat.h> 11*c5c4113dSnw141292 #include <fcntl.h> 12*c5c4113dSnw141292 #include <unistd.h> 13*c5c4113dSnw141292 #include <stdlib.h> 14*c5c4113dSnw141292 15*c5c4113dSnw141292 16*c5c4113dSnw141292 static int pagesize = 1024; 17*c5c4113dSnw141292 static int db = -1; 18*c5c4113dSnw141292 static int mxPage = 0; 19*c5c4113dSnw141292 20*c5c4113dSnw141292 static void out_of_memory(void){ 21*c5c4113dSnw141292 fprintf(stderr,"Out of memory...\n"); 22*c5c4113dSnw141292 exit(1); 23*c5c4113dSnw141292 } 24*c5c4113dSnw141292 25*c5c4113dSnw141292 static print_page(int iPg){ 26*c5c4113dSnw141292 unsigned char *aData; 27*c5c4113dSnw141292 int i, j; 28*c5c4113dSnw141292 aData = malloc(pagesize); 29*c5c4113dSnw141292 if( aData==0 ) out_of_memory(); 30*c5c4113dSnw141292 read(db, aData, pagesize); 31*c5c4113dSnw141292 fprintf(stdout, "Page %d:\n", iPg); 32*c5c4113dSnw141292 for(i=0; i<pagesize; i += 16){ 33*c5c4113dSnw141292 fprintf(stdout, " %03x: ",i); 34*c5c4113dSnw141292 for(j=0; j<16; j++){ 35*c5c4113dSnw141292 fprintf(stdout,"%02x ", aData[i+j]); 36*c5c4113dSnw141292 } 37*c5c4113dSnw141292 for(j=0; j<16; j++){ 38*c5c4113dSnw141292 fprintf(stdout,"%c", isprint(aData[i+j]) ? aData[i+j] : '.'); 39*c5c4113dSnw141292 } 40*c5c4113dSnw141292 fprintf(stdout,"\n"); 41*c5c4113dSnw141292 } 42*c5c4113dSnw141292 free(aData); 43*c5c4113dSnw141292 } 44*c5c4113dSnw141292 45*c5c4113dSnw141292 int main(int argc, char **argv){ 46*c5c4113dSnw141292 struct stat sbuf; 47*c5c4113dSnw141292 unsigned int u; 48*c5c4113dSnw141292 int rc; 49*c5c4113dSnw141292 unsigned char zBuf[10]; 50*c5c4113dSnw141292 unsigned char zBuf2[sizeof(u)]; 51*c5c4113dSnw141292 if( argc!=2 ){ 52*c5c4113dSnw141292 fprintf(stderr,"Usage: %s FILENAME\n", argv[0]); 53*c5c4113dSnw141292 exit(1); 54*c5c4113dSnw141292 } 55*c5c4113dSnw141292 db = open(argv[1], O_RDONLY); 56*c5c4113dSnw141292 if( db<0 ){ 57*c5c4113dSnw141292 fprintf(stderr,"%s: can't open %s\n", argv[0], argv[1]); 58*c5c4113dSnw141292 exit(1); 59*c5c4113dSnw141292 } 60*c5c4113dSnw141292 read(db, zBuf, 8); 61*c5c4113dSnw141292 if( zBuf[7]==0xd6 ){ 62*c5c4113dSnw141292 read(db, &u, sizeof(u)); 63*c5c4113dSnw141292 printf("Records in Journal: %u\n", u); 64*c5c4113dSnw141292 read(db, &u, sizeof(u)); 65*c5c4113dSnw141292 printf("Magic Number: 0x%08x\n", u); 66*c5c4113dSnw141292 } 67*c5c4113dSnw141292 read(db, zBuf2, sizeof(zBuf2)); 68*c5c4113dSnw141292 u = zBuf2[0]<<24 | zBuf2[1]<<16 | zBuf2[2]<<8 | zBuf2[3]; 69*c5c4113dSnw141292 printf("Database Size: %u\n", u); 70*c5c4113dSnw141292 while( read(db, zBuf2, sizeof(zBuf2))==sizeof(zBuf2) ){ 71*c5c4113dSnw141292 u = zBuf2[0]<<24 | zBuf2[1]<<16 | zBuf2[2]<<8 | zBuf2[3]; 72*c5c4113dSnw141292 print_page(u); 73*c5c4113dSnw141292 if( zBuf[7]==0xd6 ){ 74*c5c4113dSnw141292 read(db, &u, sizeof(u)); 75*c5c4113dSnw141292 printf("Checksum: 0x%08x\n", u); 76*c5c4113dSnw141292 } 77*c5c4113dSnw141292 } 78*c5c4113dSnw141292 close(db); 79*c5c4113dSnw141292 } 80