#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
-#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/types.h>
private_integrity_checker_t *this, char *file, size_t *len)
{
u_int32_t checksum;
- chunk_t contents;
- struct stat sb;
- void *addr;
- int fd;
+ chunk_t *contents;
- fd = open(file, O_RDONLY);
- if (fd == -1)
+ contents = chunk_map(file, FALSE);
+ if (!contents)
{
DBG1(DBG_LIB, " opening '%s' failed: %s", file, strerror(errno));
return 0;
}
-
- if (fstat(fd, &sb) == -1)
- {
- DBG1(DBG_LIB, " getting file size of '%s' failed: %s", file,
- strerror(errno));
- close(fd);
- return 0;
- }
-
- addr = mmap(NULL, sb.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
- if (addr == MAP_FAILED)
- {
- DBG1(DBG_LIB, " mapping '%s' failed: %s", file, strerror(errno));
- close(fd);
- return 0;
- }
-
- *len = sb.st_size;
- contents = chunk_create(addr, sb.st_size);
- checksum = chunk_hash_static(contents);
-
- munmap(addr, sb.st_size);
- close(fd);
+ *len = contents->len;
+ checksum = chunk_hash_static(*contents);
+ chunk_unmap(contents);
return checksum;
}
}
return &this->public;
}
-