Re: authentication failure

Jayadevan M <maymala(dot)jayadevan(at)gmail(dot)com> writes:
> I am able to login as postgres with password from the same machine. So it
> is not an expiry issue (as you too concluded). Output from strace is about
> 500 lines. I am pasting what I feel may be relevant. I hope this will be
> useful.

Well, this is pretty interesting:

> open("/dev/tty", O_RDONLY) = 3
> open("/dev/tty", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 4
> ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fffc631e550) = -1 ENOTTY
> (Inappropriate ioctl for device)
> ioctl(3, SNDCTL_TMR_CONTINUE or TCSETSF, {B0 -opost -isig icanon -echo
> ...}) = -1 ENOTTY (Inappropriate ioctl for device)
> fstat(4, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fb252e41000
> write(4, "Password: ", 10) = 10
> fstat(3, {st_mode=S_IFREG|0644, st_size=10, ...}) = 0
> mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
> 0x7fb252e40000
> read(3, "Password: ", 4096) = 10
> read(3, "", 4096) = 0
> read(3, "", 4096) = 0
> ioctl(3, SNDCTL_TMR_CONTINUE or TCSETSF, {B0 -opost -isig icanon -echo
> ...}) = -1 ENOTTY (Inappropriate ioctl for device)
> write(4, "\n", 1) = 1
> close(3) = 0
> munmap(0x7fb252e40000, 4096) = 0
> close(4) = 0

It *is* prompting for a password, or so it thinks. Apparently /dev/tty
is connected to the bit bucket in your environment?

regards, tom lane