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Overwriting an existing file is not supported

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olszomal 2023-11-08 15:44:17 +01:00 committed by Michał Trojnara
parent ef5047038e
commit 8ab8a133f7
1 changed files with 14 additions and 0 deletions
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14
osslsigncode.c
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@ -3651,6 +3651,16 @@ static int use_legacy(void)
} }
#endif /* OPENSSL_VERSION_NUMBER>=0x30000000L */ #endif /* OPENSSL_VERSION_NUMBER>=0x30000000L */
static int file_exists(const char *filename)
{
FILE *file = fopen(filename, "rb");
if (file) {
fclose(file);
return 1; /* File exists */
}
return 0; /* File does not exist */
}
/* /*
* [in] argc, argv * [in] argc, argv
* [in, out] options: structure holds the input data * [in, out] options: structure holds the input data
@ -3981,6 +3991,10 @@ static int main_configure(int argc, char **argv, GLOBAL_OPTIONS *options)
argc--; argc--;
} }
} }
if (cmd != CMD_VERIFY && file_exists(options->outfile)) {
printf("Overwriting an existing file is not supported.\n");
return 0; /* FAILED */
}
if (argc > 0 || if (argc > 0 ||
#ifdef ENABLE_CURL #ifdef ENABLE_CURL
(options->nturl && options->ntsurl) || (options->nturl && options->ntsurl) ||