diff options
Diffstat (limited to 'libpam_misc/misc_conv.c')
| -rw-r--r-- | libpam_misc/misc_conv.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/libpam_misc/misc_conv.c b/libpam_misc/misc_conv.c index f6397af1..908ee890 100644 --- a/libpam_misc/misc_conv.c +++ b/libpam_misc/misc_conv.c @@ -18,7 +18,7 @@ #include <security/pam_appl.h> #include <security/pam_misc.h> -#define INPUTSIZE PAM_MAX_RESP_SIZE /* maximum length of input+1 */ +#define INPUTSIZE PAM_MISC_CONV_BUFSIZE /* maximum length of input+1 */ #define CONV_ECHO_ON 1 /* types of echo state */ #define CONV_ECHO_OFF 0 @@ -184,15 +184,17 @@ static int read_string(int echo, const char *prompt, char **retstr) nc++) { int rv; if ((rv=read(STDIN_FILENO, line+nc, 1)) != 1) { - if (rv < 0) + if (rv < 0) { + _pam_overwrite_n(line, (unsigned int) nc); nc = rv; + } break; } } if (have_term) { (void) tcsetattr(STDIN_FILENO, TCSADRAIN, &term_before); if (!echo || expired) /* do we need a newline? */ - fprintf(stderr,"\n"); + fprintf(stderr, "\n"); } if ( delay > 0 ) { reset_alarm(&old_sig); @@ -202,7 +204,7 @@ static int read_string(int echo, const char *prompt, char **retstr) } else if (nc > 0) { /* we got some user input */ D(("we got some user input")); - if (nc > 0 && line[nc-1] == '\n') { /* <NUL> terminate */ + if (line[nc-1] == '\n') { /* <NUL> terminate */ line[--nc] = '\0'; } else { if (echo) { @@ -244,13 +246,13 @@ static int read_string(int echo, const char *prompt, char **retstr) D(("the timer appears to have expired")); *retstr = NULL; - _pam_overwrite(line); + _pam_overwrite_n(line, sizeof(line)); cleanexit: if (have_term) { (void) sigprocmask(SIG_SETMASK, &oset, NULL); - (void) tcsetattr(STDIN_FILENO, TCSADRAIN, &term_before); + (void) tcsetattr(STDIN_FILENO, TCSAFLUSH, &term_before); } return nc; |