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Always close file dscriptor on error.

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git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@157 36d66b0a-2a48-0410-832c-cd162a569da5
This commit is contained in:
Milan Broz
2009-12-30 16:39:03 +00:00
parent 8802e42ab3
commit 1c91890aac
1 changed files with 5 additions and 3 deletions
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8
lib/utils.c
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@@ -396,7 +396,7 @@ void get_key(char *prompt, char **key, unsigned int *passLen, int key_size,
const char *key_file, int timeout, int how2verify,
struct crypt_device *cd)
{
int fd;
int fd = -1;
const int verify = how2verify & CRYPT_FLAG_VERIFY;
const int verify_if_possible = how2verify & CRYPT_FLAG_VERIFY_IF_POSSIBLE;
char *pass = NULL;
@@ -498,8 +498,6 @@ void get_key(char *prompt, char **key, unsigned int *passLen, int key_size,
if(r == 0 || (newline_stop && pass[i] == '\n'))
break;
}
if(key_file)
close(fd);
/* Fail if piped input dies reading nothing */
if(!i && !regular_file) {
log_dbg("Error reading passphrase.");
@@ -509,9 +507,13 @@ void get_key(char *prompt, char **key, unsigned int *passLen, int key_size,
*key = pass;
*passLen = i;
}
if(fd != STDIN_FILENO)
close(fd);
return;
out_err:
if(fd >= 0 && fd != STDIN_FILENO)
close(fd);
if(pass)
safe_free(pass);
*key = NULL;