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ask-password: properly handle multiple pending passwords when writing wall msg

This commit is contained in:
Lennart Poettering 2010-10-26 04:45:27 +02:00
parent e0e1580aae
commit 0ddf1d3aa5
1 changed files with 16 additions and 7 deletions
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23
src/tty-ask-password-agent.c
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@ -200,7 +200,7 @@ finish:
return r;
}
static int parse_password(const char *filename) {
static int parse_password(const char *filename, char **wall) {
char *socket_name = NULL, *message = NULL, *packet = NULL;
uint64_t not_after = 0;
unsigned pid = 0;
@ -248,11 +248,13 @@ static int parse_password(const char *filename) {
if (arg_action == ACTION_LIST)
printf("'%s' (PID %u)\n", message, pid);
else if (arg_action == ACTION_WALL) {
char *wall;
char *_wall;
if (asprintf(&wall,
"Password entry required for \'%s\' (PID %u).\r\n"
if (asprintf(&_wall,
"%s%sPassword entry required for \'%s\' (PID %u).\r\n"
"Please enter password with the systemd-tty-password-agent tool!",
*wall ? *wall : "",
*wall ? "\r\n\r\n" : "",
message,
pid) < 0) {
log_error("Out of memory");
@ -260,8 +262,8 @@ static int parse_password(const char *filename) {
goto finish;
}
r = utmp_wall(wall);
free(wall);
free(*wall);
*wall = _wall;
} else {
union {
struct sockaddr sa;
@ -346,6 +348,7 @@ static int show_passwords(void) {
while ((de = readdir(d))) {
char *p;
int q;
char *wall;
if (de->d_type != DT_REG)
continue;
@ -362,10 +365,16 @@ static int show_passwords(void) {
goto finish;
}
if ((q = parse_password(p)) < 0)
wall = NULL;
if ((q = parse_password(p, &wall)) < 0)
r = q;
free(p);
if (wall) {
utmp_wall(wall);
free(wall);
}
}
finish: