diff options
Diffstat (limited to 'src/libstrongswan/utils/integrity_checker.c')
| -rw-r--r-- | src/libstrongswan/utils/integrity_checker.c | 37 |
1 files changed, 6 insertions, 31 deletions
diff --git a/src/libstrongswan/utils/integrity_checker.c b/src/libstrongswan/utils/integrity_checker.c index d59a76232..b66df02e7 100644 --- a/src/libstrongswan/utils/integrity_checker.c +++ b/src/libstrongswan/utils/integrity_checker.c @@ -22,7 +22,6 @@ #include <fcntl.h> #include <errno.h> #include <unistd.h> -#include <sys/mman.h> #include <sys/stat.h> #include <sys/types.h> @@ -61,40 +60,17 @@ METHOD(integrity_checker_t, build_file, u_int32_t, 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; } @@ -318,4 +294,3 @@ integrity_checker_t *integrity_checker_create(char *checksum_library) } return &this->public; } - |