#include <stddef.h>
#include <fcntl.h>
#include <sys/types.h>
-#include <sys/mman.h>
#include <sys/stat.h>
#include <utils/debug.h>
static void *load_from_file(char *file, credential_type_t type, int subtype,
identification_t *subject, x509_flag_t flags)
{
- void *cred = NULL;
- struct stat sb;
- void *addr;
- int fd;
+ void *cred;
+ chunk_t *chunk;
- fd = open(file, O_RDONLY);
- if (fd == -1)
+ chunk = chunk_map(file, FALSE);
+ if (!chunk)
{
DBG1(DBG_LIB, " opening '%s' failed: %s", file, strerror(errno));
return NULL;
}
-
- if (fstat(fd, &sb) == -1)
- {
- DBG1(DBG_LIB, " getting file size of '%s' failed: %s", file,
- strerror(errno));
- close(fd);
- return NULL;
- }
-
- 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 NULL;
- }
-
- cred = load_from_blob(chunk_create(addr, sb.st_size), type, subtype,
- subject, flags);
-
- munmap(addr, sb.st_size);
- close(fd);
+ cred = load_from_blob(*chunk, type, subtype, subject, flags);
+ chunk_unmap(chunk);
return cred;
}