G'day all,

I run a Cobalt RAQ 3 with the default Apache v1.3.6 installed. Up until
recently, Apache would authorise users off the /etc/password and /etc/shadow
files via PAM without a problem. However, I recently had to re-install PAM,
so I went for the latest version (v0.74). Now Apache fails to authorise
users. I then reinstalled the original version of PAM (v0.68), and the
problem didn't go away. The strange thing is I have one instance of httpd
running on port 81 as an admin server (this is part of the RAQ), which DOES
authenticate properly, and the normal web server on port 80 which
WON'T authenticate. I can't for the life of me work out why.

Does anyone have any ideas? How can I track down exactly where the problem
lies?

FWIW, other programs such as proftpd etc work without a problem.

I've included a partial trace below, which may shed some light on the
problem.

[pid 18118] open("/etc/pwdb.conf", O_RDONLY) = 6
[pid 18118] recvmsg(6, 0xbffffc6c, 0x4014fd40) = -1 ENOSYS (Function not
impleme
nted)
[pid 18118] fstat(6, {st_mode=0, st_size=0, ...}) = 0
[pid 18118] mmap(0, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0
) = 0x40015000
[pid 18118] read(6, "#\n# This is the configuration f"..., 4096) = 134
[pid 18118] read(6, "", 4096) = 0
[pid 18118] close(6) = 0
[pid 18118] munmap(0x40015000, 4096) = 0
[pid 18118] getrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=RLIM_INFINITY}) = 0
[pid 18118] setrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=RLIM_INFINITY}) = 0
[pid 18118] getuid() = 15
[pid 18118] open("/etc/passwd", O_RDONLY) = 6
[pid 18118] fstat(6, {st_mode=0, st_size=0, ...}) = 0
[pid 18118] mmap(0, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0
) = 0x40015000
[pid 18118] read(6, "root:x:0:0:Root:/root:/bin/sh\nb"..., 4096) = 4096
[pid 18118] close(6) = 0
[pid 18118] munmap(0x40015000, 4096) = 0
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] open("/etc/shadow", O_RDONLY) = 6
[pid 18118] fstat(6, {st_mode=0, st_size=0, ...}) = 0
[pid 18118] mmap(0, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0
) = 0x40015000
[pid 18118] read(6, "root:$1$Efk53l18$aYqlRO.UxoEZ7WB"..., 4096) = 4096
[pid 18118] close(6) = 0
[pid 18118] munmap(0x40015000, 4096) = 0
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] time(NULL) = 982579145
[pid 18118] read(0, "mypassword\0", 200) = 8
[pid 18118] time(NULL) = 982579145
[pid 18118] brk(0x8051000) = 0x8051000
[pid 18118] time([982579145]) = 982579145
[pid 18118] open("/etc/localtime", O_RDONLY) = 6
[pid 18118] read(6, "TZif\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 44) = 44
[pid 18118] read(6, "\236\246H\240\237\273\25\220\240"..., 920) = 920
[pid 18118] fstat(6, {st_mode=0, st_size=0, ...}) = 0
[pid 18118] mmap(0, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0
) = 0x40015000
[pid 18118] read(6, "\377\377\235\220\1\0\377\377\217"..., 4096) = 36
[pid 18118] close(6) = 0
[pid 18118] munmap(0x40015000, 4096) = 0
[pid 18118] getpid() = 18118
[pid 18118] SYS_174(0xd, 0xbffffba0, 0xbffffb14, 0x8, 0xd) = 0
[pid 18118] socket(PF_UNIX, SOCK_DGRAM, 0) = 6
[pid 18118] fcntl(6, F_SETFD, FD_CLOEXEC) = 0
[pid 18118] connect(6, {sun_family=AF_UNIX, sun_path="/dev/log"}, 16) = 0
[pid 18118] send(6, "<36>Feb 19 02:39:05 pwdb_chkpwd["..., 58, 0) = 58
[pid 18118] SYS_174(0xd, 0xbffffba4, 0, 0x8, 0xd) = 0
[pid 18118] close(6) = 0
[pid 18118] getrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=RLIM_INFINITY}) = 0
[pid 18118] setrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=RLIM_INFINITY}) = 0
[pid 18118] _exit(1) = ?
<... wait4 resumed> [WIFEXITED(s) && WEXITSTATUS(s) == 1], 0, NULL) = 18118
--- SIGCHLD (Child exited) ---
getrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=RLIM_INFINITY}) = 0
setrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=RLIM_INFINITY}) = 0
open("/etc/nologin", O_RDONLY) = -1 ENOENT (No such file or
directory)
select(0, NULL, NULL, NULL, {0, 844565}) = 0 (Timeout)
socket(PF_UNIX, SOCK_STREAM, 0) = 5
connect(5, {sun_family=AF_UNIX, sun_path="/var/run/.nscd_socket"}, 110) = -1
ECO
NNREFUSED (Connection refused)
close(5) = 0
open("/etc/hosts", O_RDONLY) = 5
fcntl(5, F_GETFD) = 0
fcntl(5, F_SETFD, FD_CLOEXEC) = 0
fstat(5, {st_mode=0, st_size=0, ...}) = 0
mmap(0, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x400160
00
read(5, "127.0.0.1\tlocalhost\n64.19.11.1"..., 4096) = 64
read(5, "", 4096) = 0
close(5) = 0
munmap(0x40016000, 4096) = 0
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 5
connect(5, {sin_family=AF_INET, sin_port=htons(53),
sin_addr=inet_addr("64.29.16
.107")}, 16) = 0
send(5, "\311\343\1\0\0\1\0\0\0\0\0\0\003"..., 44, 0) = 44
time(NULL) = 982579146
SYS_168(0xbfffeba4, 0x1, 0x1388, 0x1388, 0xbfffeba4) = 1
recvfrom(5, "\311\343\201\200\0\1\0\1\0\2\0\2"..., 1024, 0,
{sin_family=AF_INET,
 sin_port=htons(53), sin_addr=inet_addr("64.29.16.107")}, [16]) = 171
close(5) = 0
time(NULL) = 982579146
write(17, "[Mon Feb 19 02:39:06 2001] [erro"..., 127) = 127
munmap(0x4043e000, 43204) = 0
munmap(0x40449000, 288060) = 0
munmap(0x40345000, 7060) = 0
munmap(0x403ac000, 32416) = 0
munmap(0x40493000, 44224) = 0
munmap(0x40490000, 7148) = 0
munmap(0x4049e000, 6152) = 0
stat("/home/sites/home/web", {st_mode=0, st_size=0, ...}) = 0
stat("/usr/admserv/html/.cobalt/error/authorizationRequired.html",
{st_mode=0, s
t_size=0, ...}) = 0
lstat("/usr", {st_mode=0, st_size=0, ...}) = 0
lstat("/usr/admserv", {st_mode=0, st_size=0, ...}) = 0
lstat("/usr/admserv/html", {st_mode=0, st_size=0, ...}) = 0
lstat("/usr/admserv/html/.cobalt", {st_mode=0, st_size=0, ...}) = 0
lstat("/usr/admserv/html/.cobalt/error", {st_mode=0, st_size=0, ...}) = 0
lstat("/usr/admserv/html/.cobalt/error/authorizationRequired.html",
{st_mode=0,
st_size=0, ...}) = 0
SYS_174(0xe, 0, 0xbffff8a8, 0x8, 0xe) = 0
dup2(17, 2) = 2
SYS_175(0, 0, 0xbffff980, 0x8, 0) = 0
stat("/etc/cobalt/locale", {st_mode=0, st_size=0, ...}) = 0
pipe([5, 7]) = 0
fork() = 18119
[pid 16899] close(7) = 0
[pid 16899] fcntl(5, F_GETFL) = 0 (flags O_RDONLY)
[pid 16899] fstat(5, {st_mode=0, st_size=0, ...}) = 0
[pid 16899] mmap(0, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0
) = 0x40016000
[pid 16899] _llseek(0x5, 0, 0, 0xbffff698, 0x1) = -1 ESPIPE (Illegal seek)
[pid 16899] read(5, <unfinished ...>
[pid 18119] close(5) = 0
[pid 18119] dup2(7, 1) = 1
[pid 18119] close(7) = 0
[pid 18119] execve("min/cat", ["cat", "/etc/cobalt/locale"], [/* 54 vars
*/]) =
-1 ENOENT (No such file or directory)
[pid 18119] execve("/usr/sbin/cat", ["cat", "/etc/cobalt/locale"], [/* 54
vars *
/]) = -1 ENOENT (No such file or directory)
[pid 18119] execve("/bin/cat", ["cat", "/etc/cobalt/locale"], [/* 54 vars
*/]) =
 0
[pid 18119] brk(0) = 0x804ad3c
[pid 18119] mmap(0, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0
) = 0x40014000
[pid 18119] open("/etc/ld.so.preload", O_RDONLY) = -1 ENOENT (No such file
or di
rectory)
[pid 18119] open("/etc/ld.so.cache", O_RDONLY) = 5
[pid 18119] fstat(5, {st_mode=0, st_size=0, ...}) = 0
[pid 18119] mmap(0, 9922, PROT_READ, MAP_PRIVATE, 5, 0) = 0x40015000
[pid 18119] close(5) = 0
[pid 18119] open("/lib/libc.so.6", O_RDONLY) = 5
[pid 18119] fstat(5, {st_mode=0, st_size=0, ...}) = 0
[pid 18119] read(5, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3"..., 4096) = 4096
[pid 18119] mmap(0, 1001532, PROT_READ|PROT_EXEC, MAP_PRIVATE, 5, 0) =
0x4001800
0
[pid 18119] mprotect(0x40105000, 30780, PROT_NONE) = 0
[pid 18119] mmap(0x40105000, 16384, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED,
 5, 0xec000) = 0x40105000
[pid 18119] mmap(0x40109000, 14396, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|
MAP_ANONYMOUS, -1, 0) = 0x40109000
[pid 18119] close(5) = 0
[pid 18119] mprotect(0x40018000, 970752, PROT_READ|PROT_WRITE) = 0
[pid 18119] mprotect(0x40018000, 970752, PROT_READ|PROT_EXEC) = 0
[pid 18119] munmap(0x40015000, 9922) = 0
[pid 18119] personality(PER_LINUX) = 0
[pid 18119] getpid() = 18119
[pid 18119] brk(0) = 0x804ad3c
[pid 18119] brk(0x804ad74) = 0x804ad74
[pid 18119] brk(0x804b000) = 0x804b000
[pid 18119] fstat(1, {st_mode=0, st_size=0, ...}) = 0
[pid 18119] open("/etc/cobalt/locale", O_RDONLY) = 5
[pid 18119] fstat(5, {st_mode=0, st_size=0, ...}) = 0
[pid 18119] brk(0x804d000) = 0x804d000
[pid 18119] read(5, "en_US\n", 4096) = 6
[pid 18119] write(1, "en_US\n", 6) = 6
[pid 18119] read(5, "", 4096) = 0
[pid 18119] close(5) = 0
[pid 18119] close(1) = 0
[pid 18119] _exit(0) = ?
<... read resumed> "en_US\n", 4096) = 6
--- SIGCHLD (Child exited) ---
read(5, "", 4096) = 0
close(5) = 0
munmap(0x40016000, 4096) = 0
SYS_174(0x1, 0xbffff4d4, 0xbffff448, 0x8, 0x1) = 0
SYS_174(0x2, 0xbffff4c8, 0xbffff43c, 0x8, 0x2) = 0
SYS_174(0x3, 0xbffff4bc, 0xbffff430, 0x8, 0x3) = 0
wait4(18119, [WIFEXITED(s) && WEXITSTATUS(s) == 0], 0, NULL) = 18119
SYS_174(0x1, 0xbffff574, 0, 0x8, 0x1) = 0
SYS_174(0x2, 0xbffff56c, 0, 0x8, 0x2) = 0
SYS_174(0x3, 0xbffff564, 0, 0x8, 0x3) = 0
stat("/etc/sysconfig/i18n", 0xbffff8cc) = -1 ENOENT (No such file or
directory)
stat("/usr/admserv/html/.cobalt/error/authorizationRequired.html",
{st_mode=0, s
t_size=0, ...}) = 0
stat("/usr/admserv/html/.cobalt/error/authorizationRequired.html",
{st_mode=0, s
t_size=0, ...}) = 0
getgroups(32, [1074921483]) = 1
stat("/usr/admserv/html/.cobalt/error/authorizationRequired.html",
{st_mode=0, s
t_size=0, ...}) = 0
open("/usr/admserv/html/.cobalt/error/authorizationRequired.html", O_RDONLY)
= 5
fstat(5, {st_mode=0, st_size=0, ...}) = 0
fcntl(5, F_SETFD, FD_CLOEXEC) = 0
fstat(5, {st_mode=0, st_size=0, ...}) = 0
mmap(0, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x400160
00
read(5, "<HTML>\n\n<HEAD><TITLE>[str.auth"..., 4096) = 653
read(5, "", 4096) = 0
SYS_175(0, 0, 0xbffff934, 0x8, 0) = 0
close(5) = 0
munmap(0x40016000, 4096) = 0
select(4, [3], NULL, NULL, {0, 0}) = 0 (Timeout)
write(3, "HTTP/1.1 401 Authorization Requi"..., 1103) = 1103

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