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secilc: better error handling

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Fix a situation where the secilc command line tool could return success
even though the compilation failed.

  $ secilc /dev/null -o /dev/null -f /dev/null
  Failure reading file: /dev/null
  $ echo $?
  0

Signed-off-by: Nick Kralevich <nnk@google.com>
This commit is contained in:
Nick Kralevich via Selinux 2018-09-24 11:10:52 -07:00 committed by William Roberts
parent 0a71c5f3eb
commit 2896967775
1 changed files with 4 additions and 0 deletions
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4
secilc/secilc.c
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@ -257,6 +257,7 @@ int main(int argc, char *argv[])
rc = stat(argv[i], &filedata);
if (rc == -1) {
fprintf(stderr, "Could not stat file: %s\n", argv[i]);
rc = SEPOL_ERR;
goto exit;
}
file_size = filedata.st_size;
@ -265,6 +266,7 @@ int main(int argc, char *argv[])
rc = fread(buffer, file_size, 1, file);
if (rc != 1) {
fprintf(stderr, "Failure reading file: %s\n", argv[i]);
rc = SEPOL_ERR;
goto exit;
}
fclose(file);
@ -345,11 +347,13 @@ int main(int argc, char *argv[])
if (file_contexts == NULL) {
fprintf(stderr, "Failed to open file_contexts file\n");
rc = SEPOL_ERR;
goto exit;
}
if (fwrite(fc_buf, sizeof(char), fc_size, file_contexts) != fc_size) {
fprintf(stderr, "Failed to write file_contexts file\n");
rc = SEPOL_ERR;
goto exit;
}