skylab/MasterPassword
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Minor cleanup of askpass code.

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This commit is contained in:
Maarten Billemont
2018-11-20 11:58:38 -05:00
parent 554c0129a2
commit ef2494118b
1 changed files with 10 additions and 9 deletions
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15
platform-independent/c/cli/src/mpw-cli-util.c
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@@ -51,13 +51,13 @@ const char *mpw_askpass(const char *prompt) {
int pipes[2];
if (pipe( pipes ) == ERR) {
wrn( "Couldn't pipe: %s", strerror( errno ) );
wrn( "Couldn't create pipes for askpass: %s", strerror( errno ) );
return NULL;
}
pid_t pid = fork();
if (pid == ERR) {
wrn( "Couldn't fork for askpass:\n %s: %s", askpass, strerror( errno ) );
wrn( "Couldn't fork for askpass: %s", askpass, strerror( errno ) );
return NULL;
}
@@ -83,17 +83,18 @@ const char *mpw_askpass(const char *prompt) {
return NULL;
}
if (WIFEXITED( status ) && WEXITSTATUS( status ) == EXIT_SUCCESS && answer && strlen( answer )) {
if (!WIFEXITED( status ) || WEXITSTATUS( status ) != EXIT_SUCCESS || !answer || !strlen( answer )) {
// askpass failed.
mpw_free_string( &answer );
return NULL;
}
// Remove trailing newline.
if (answer[strlen( answer ) - 1] == '\n')
mpw_replace_string( answer, mpw_strndup( answer, strlen( answer ) - 1 ) );
return answer;
}
mpw_free_string( &answer );
return NULL;
}
static const char *_mpw_getline(const char *prompt, bool silent) {
// Get answer from askpass.