Code: Select all
decrypt_spm.c:(.text+0x7e): undefined reference to `appdrm_load_license'
decrypt_spm.c:(.text+0xc3): undefined reference to `appdrm_decrypt_spm'
decrypt_spm.c:(.text+0xec): undefined reference to `appdrm_release_license'
collect2: error: ld returned 1 exit status
/usr/bin/ld: cannot find -lappdrm
collect2: error: ld returned 1 exit statusCode: Select all
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
int appdrm_load_license(const char *license_file, void **license_handle);
int appdrm_release_license(void **license_handle);
int appdrm_decrypt_spm(void **license_handle, const char *filename, unsigned char **outbuf, int *outlen);
int main(int argc, char **argv)
{
if(argc < 3)
{
printf("usage: %s <license_file> <spm_file>\n", argv[0]);
exit(1);
}
unsigned char* outbuf;
int32_t outlen = 0;
char outfile[256];
void *license_handle;
if( appdrm_load_license(argv[1], &license_handle) < 0 )
{
printf("error reading license_file\n");
return -1;
}
if( appdrm_decrypt_spm(&license_handle, argv[2], &outbuf, &outlen) < 0 )
{
printf("error decrypting spm file\n");
return -1;
}
if( appdrm_release_license(&license_handle) < 0 )
{
printf("error releasing license_handle\n");
return -1;
}
sprintf( outfile, "%s", argv[2] );
outfile[strlen(argv[2]) - 4] = 0;
printf("writing to %s\n", outfile);
FILE *write_ptr = fopen(outfile,"wb");
if( write_ptr == NULL )
{
printf("error opening output file\n");
return -1;
}
fwrite( outbuf, outlen, 1, write_ptr );
fclose( write_ptr );
return 0;
}