version 1.120, 2020/10/16 13:26:13 |
version 1.121, 2020/10/18 11:32:01 |
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size_t len; |
size_t len; |
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if (mon->m_log_sendfd == -1) |
if (mon->m_log_sendfd == -1) |
fatal("%s: no log channel", __func__); |
fatal_f("no log channel"); |
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if ((log_msg = sshbuf_new()) == NULL) |
if ((log_msg = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
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if ((r = sshbuf_put_u32(log_msg, 0)) != 0 || /* length; filled below */ |
if ((r = sshbuf_put_u32(log_msg, 0)) != 0 || /* length; filled below */ |
(r = sshbuf_put_cstring(log_msg, file)) != 0 || |
(r = sshbuf_put_cstring(log_msg, file)) != 0 || |
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(r = sshbuf_put_u32(log_msg, (u_int)line)) != 0 || |
(r = sshbuf_put_u32(log_msg, (u_int)line)) != 0 || |
(r = sshbuf_put_u32(log_msg, level)) != 0 || |
(r = sshbuf_put_u32(log_msg, level)) != 0 || |
(r = sshbuf_put_cstring(log_msg, msg)) != 0) |
(r = sshbuf_put_cstring(log_msg, msg)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assemble"); |
if ((len = sshbuf_len(log_msg)) < 4 || len > 0xffffffff) |
if ((len = sshbuf_len(log_msg)) < 4 || len > 0xffffffff) |
fatal("%s: bad length %zu", __func__, len); |
fatal_f("bad length %zu", len); |
POKE_U32(sshbuf_mutable_ptr(log_msg), len - 4); |
POKE_U32(sshbuf_mutable_ptr(log_msg), len - 4); |
if (atomicio(vwrite, mon->m_log_sendfd, |
if (atomicio(vwrite, mon->m_log_sendfd, |
sshbuf_mutable_ptr(log_msg), len) != len) |
sshbuf_mutable_ptr(log_msg), len) != len) |
fatal("%s: write: %s", __func__, strerror(errno)); |
fatal_f("write: %s", strerror(errno)); |
sshbuf_free(log_msg); |
sshbuf_free(log_msg); |
} |
} |
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size_t mlen = sshbuf_len(m); |
size_t mlen = sshbuf_len(m); |
u_char buf[5]; |
u_char buf[5]; |
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debug3("%s entering: type %d", __func__, type); |
debug3_f("entering, type %d", type); |
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if (mlen >= 0xffffffff) |
if (mlen >= 0xffffffff) |
fatal("%s: bad length %zu", __func__, mlen); |
fatal_f("bad length %zu", mlen); |
POKE_U32(buf, mlen + 1); |
POKE_U32(buf, mlen + 1); |
buf[4] = (u_char) type; /* 1st byte of payload is mesg-type */ |
buf[4] = (u_char) type; /* 1st byte of payload is mesg-type */ |
if (atomicio(vwrite, sock, buf, sizeof(buf)) != sizeof(buf)) |
if (atomicio(vwrite, sock, buf, sizeof(buf)) != sizeof(buf)) |
fatal("%s: write: %s", __func__, strerror(errno)); |
fatal_f("write: %s", strerror(errno)); |
if (atomicio(vwrite, sock, sshbuf_mutable_ptr(m), mlen) != mlen) |
if (atomicio(vwrite, sock, sshbuf_mutable_ptr(m), mlen) != mlen) |
fatal("%s: write: %s", __func__, strerror(errno)); |
fatal_f("write: %s", strerror(errno)); |
} |
} |
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void |
void |
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u_int msg_len; |
u_int msg_len; |
int r; |
int r; |
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debug3("%s entering", __func__); |
debug3_f("entering"); |
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if (atomicio(read, sock, buf, sizeof(buf)) != sizeof(buf)) { |
if (atomicio(read, sock, buf, sizeof(buf)) != sizeof(buf)) { |
if (errno == EPIPE) |
if (errno == EPIPE) |
cleanup_exit(255); |
cleanup_exit(255); |
fatal("%s: read: %s", __func__, strerror(errno)); |
fatal_f("read: %s", strerror(errno)); |
} |
} |
msg_len = PEEK_U32(buf); |
msg_len = PEEK_U32(buf); |
if (msg_len > 256 * 1024) |
if (msg_len > 256 * 1024) |
fatal("%s: read: bad msg_len %d", __func__, msg_len); |
fatal_f("read: bad msg_len %d", msg_len); |
sshbuf_reset(m); |
sshbuf_reset(m); |
if ((r = sshbuf_reserve(m, msg_len, &p)) != 0) |
if ((r = sshbuf_reserve(m, msg_len, &p)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "reserve"); |
if (atomicio(read, sock, p, msg_len) != msg_len) |
if (atomicio(read, sock, p, msg_len) != msg_len) |
fatal("%s: read: %s", __func__, strerror(errno)); |
fatal_f("read: %s", strerror(errno)); |
} |
} |
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void |
void |
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u_char rtype; |
u_char rtype; |
int r; |
int r; |
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debug3("%s entering: type %d", __func__, type); |
debug3_f("entering, type %d", type); |
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mm_request_receive(sock, m); |
mm_request_receive(sock, m); |
if ((r = sshbuf_get_u8(m, &rtype)) != 0) |
if ((r = sshbuf_get_u8(m, &rtype)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
if (rtype != type) |
if (rtype != type) |
fatal("%s: read: rtype %d != type %d", __func__, |
fatal_f("read: rtype %d != type %d", rtype, type); |
rtype, type); |
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} |
} |
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#ifdef WITH_OPENSSL |
#ifdef WITH_OPENSSL |
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struct sshbuf *m; |
struct sshbuf *m; |
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if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = sshbuf_put_u32(m, min)) != 0 || |
if ((r = sshbuf_put_u32(m, min)) != 0 || |
(r = sshbuf_put_u32(m, nbits)) != 0 || |
(r = sshbuf_put_u32(m, nbits)) != 0 || |
(r = sshbuf_put_u32(m, max)) != 0) |
(r = sshbuf_put_u32(m, max)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assemble"); |
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mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_MODULI, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_MODULI, m); |
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debug3("%s: waiting for MONITOR_ANS_MODULI", __func__); |
debug3_f("waiting for MONITOR_ANS_MODULI"); |
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_MODULI, m); |
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_MODULI, m); |
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if ((r = sshbuf_get_u8(m, &success)) != 0) |
if ((r = sshbuf_get_u8(m, &success)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse success"); |
if (success == 0) |
if (success == 0) |
fatal("%s: MONITOR_ANS_MODULI failed", __func__); |
fatal_f("MONITOR_ANS_MODULI failed"); |
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if ((r = sshbuf_get_bignum2(m, &p)) != 0 || |
if ((r = sshbuf_get_bignum2(m, &p)) != 0 || |
(r = sshbuf_get_bignum2(m, &g)) != 0) |
(r = sshbuf_get_bignum2(m, &g)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse group"); |
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debug3("%s: remaining %zu", __func__, sshbuf_len(m)); |
debug3_f("remaining %zu", sshbuf_len(m)); |
sshbuf_free(m); |
sshbuf_free(m); |
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return (dh_new_group(g, p)); |
return (dh_new_group(g, p)); |
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u_int ndx = kex->host_key_index(key, 0, ssh); |
u_int ndx = kex->host_key_index(key, 0, ssh); |
int r; |
int r; |
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debug3("%s entering", __func__); |
debug3_f("entering"); |
if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = sshbuf_put_u32(m, ndx)) != 0 || |
if ((r = sshbuf_put_u32(m, ndx)) != 0 || |
(r = sshbuf_put_string(m, data, datalen)) != 0 || |
(r = sshbuf_put_string(m, data, datalen)) != 0 || |
(r = sshbuf_put_cstring(m, hostkey_alg)) != 0 || |
(r = sshbuf_put_cstring(m, hostkey_alg)) != 0 || |
(r = sshbuf_put_u32(m, compat)) != 0) |
(r = sshbuf_put_u32(m, compat)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assemble"); |
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mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SIGN, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_SIGN, m); |
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debug3("%s: waiting for MONITOR_ANS_SIGN", __func__); |
debug3_f("waiting for MONITOR_ANS_SIGN"); |
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_SIGN, m); |
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_SIGN, m); |
if ((r = sshbuf_get_string(m, sigp, lenp)) != 0) |
if ((r = sshbuf_get_string(m, sigp, lenp)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
sshbuf_free(m); |
sshbuf_free(m); |
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return (0); |
return (0); |
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u_char ok; |
u_char ok; |
const u_char *p; |
const u_char *p; |
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debug3("%s entering", __func__); |
debug3_f("entering"); |
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if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = sshbuf_put_cstring(m, username)) != 0) |
if ((r = sshbuf_put_cstring(m, username)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assemble"); |
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mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PWNAM, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PWNAM, m); |
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debug3("%s: waiting for MONITOR_ANS_PWNAM", __func__); |
debug3_f("waiting for MONITOR_ANS_PWNAM"); |
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PWNAM, m); |
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PWNAM, m); |
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if ((r = sshbuf_get_u8(m, &ok)) != 0) |
if ((r = sshbuf_get_u8(m, &ok)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse success"); |
if (ok == 0) { |
if (ok == 0) { |
pw = NULL; |
pw = NULL; |
goto out; |
goto out; |
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/* XXX don't like passing struct passwd like this */ |
/* XXX don't like passing struct passwd like this */ |
pw = xcalloc(sizeof(*pw), 1); |
pw = xcalloc(sizeof(*pw), 1); |
if ((r = sshbuf_get_string_direct(m, &p, &len)) != 0) |
if ((r = sshbuf_get_string_direct(m, &p, &len)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
if (len != sizeof(*pw)) |
if (len != sizeof(*pw)) |
fatal("%s: struct passwd size mismatch", __func__); |
fatal_f("struct passwd size mismatch"); |
memcpy(pw, p, sizeof(*pw)); |
memcpy(pw, p, sizeof(*pw)); |
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if ((r = sshbuf_get_cstring(m, &pw->pw_name, NULL)) != 0 || |
if ((r = sshbuf_get_cstring(m, &pw->pw_name, NULL)) != 0 || |
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(r = sshbuf_get_cstring(m, &pw->pw_class, NULL)) != 0 || |
(r = sshbuf_get_cstring(m, &pw->pw_class, NULL)) != 0 || |
(r = sshbuf_get_cstring(m, &pw->pw_dir, NULL)) != 0 || |
(r = sshbuf_get_cstring(m, &pw->pw_dir, NULL)) != 0 || |
(r = sshbuf_get_cstring(m, &pw->pw_shell, NULL)) != 0) |
(r = sshbuf_get_cstring(m, &pw->pw_shell, NULL)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse pw"); |
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out: |
out: |
/* copy options block as a Match directive may have changed some */ |
/* copy options block as a Match directive may have changed some */ |
if ((r = sshbuf_get_string_direct(m, &p, &len)) != 0) |
if ((r = sshbuf_get_string_direct(m, &p, &len)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse opts"); |
if (len != sizeof(*newopts)) |
if (len != sizeof(*newopts)) |
fatal("%s: option block size mismatch", __func__); |
fatal_f("option block size mismatch"); |
newopts = xcalloc(sizeof(*newopts), 1); |
newopts = xcalloc(sizeof(*newopts), 1); |
memcpy(newopts, p, sizeof(*newopts)); |
memcpy(newopts, p, sizeof(*newopts)); |
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#define M_CP_STROPT(x) do { \ |
#define M_CP_STROPT(x) do { \ |
if (newopts->x != NULL) { \ |
if (newopts->x != NULL && \ |
if ((r = sshbuf_get_cstring(m, \ |
(r = sshbuf_get_cstring(m, &newopts->x, NULL)) != 0) \ |
&newopts->x, NULL)) != 0) \ |
fatal_fr(r, "parse %s", #x); \ |
fatal("%s: buffer error: %s", \ |
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__func__, ssh_err(r)); \ |
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} \ |
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} while (0) |
} while (0) |
#define M_CP_STRARRAYOPT(x, nx) do { \ |
#define M_CP_STRARRAYOPT(x, nx) do { \ |
newopts->x = newopts->nx == 0 ? \ |
newopts->x = newopts->nx == 0 ? \ |
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for (i = 0; i < newopts->nx; i++) { \ |
for (i = 0; i < newopts->nx; i++) { \ |
if ((r = sshbuf_get_cstring(m, \ |
if ((r = sshbuf_get_cstring(m, \ |
&newopts->x[i], NULL)) != 0) \ |
&newopts->x[i], NULL)) != 0) \ |
fatal("%s: buffer error: %s", \ |
fatal_fr(r, "parse %s", #x); \ |
__func__, ssh_err(r)); \ |
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} \ |
} \ |
} while (0) |
} while (0) |
/* See comment in servconf.h */ |
/* See comment in servconf.h */ |
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char *banner; |
char *banner; |
int r; |
int r; |
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debug3("%s entering", __func__); |
debug3_f("entering"); |
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if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTH2_READ_BANNER, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTH2_READ_BANNER, m); |
sshbuf_reset(m); |
sshbuf_reset(m); |
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mm_request_receive_expect(pmonitor->m_recvfd, |
mm_request_receive_expect(pmonitor->m_recvfd, |
MONITOR_ANS_AUTH2_READ_BANNER, m); |
MONITOR_ANS_AUTH2_READ_BANNER, m); |
if ((r = sshbuf_get_cstring(m, &banner, NULL)) != 0) |
if ((r = sshbuf_get_cstring(m, &banner, NULL)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
sshbuf_free(m); |
sshbuf_free(m); |
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/* treat empty banner as missing banner */ |
/* treat empty banner as missing banner */ |
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struct sshbuf *m; |
struct sshbuf *m; |
int r; |
int r; |
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debug3("%s entering", __func__); |
debug3_f("entering"); |
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if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = sshbuf_put_cstring(m, service)) != 0 || |
if ((r = sshbuf_put_cstring(m, service)) != 0 || |
(r = sshbuf_put_cstring(m, style ? style : "")) != 0) |
(r = sshbuf_put_cstring(m, style ? style : "")) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assemble"); |
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mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTHSERV, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTHSERV, m); |
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struct sshbuf *m; |
struct sshbuf *m; |
int r, authenticated = 0; |
int r, authenticated = 0; |
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debug3("%s entering", __func__); |
debug3_f("entering"); |
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if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = sshbuf_put_cstring(m, password)) != 0) |
if ((r = sshbuf_put_cstring(m, password)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assemble"); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTHPASSWORD, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_AUTHPASSWORD, m); |
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debug3("%s: waiting for MONITOR_ANS_AUTHPASSWORD", __func__); |
debug3_f("waiting for MONITOR_ANS_AUTHPASSWORD"); |
mm_request_receive_expect(pmonitor->m_recvfd, |
mm_request_receive_expect(pmonitor->m_recvfd, |
MONITOR_ANS_AUTHPASSWORD, m); |
MONITOR_ANS_AUTHPASSWORD, m); |
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if ((r = sshbuf_get_u32(m, &authenticated)) != 0) |
if ((r = sshbuf_get_u32(m, &authenticated)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
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sshbuf_free(m); |
sshbuf_free(m); |
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debug3("%s: user %sauthenticated", |
debug3_f("user %sauthenticated", authenticated ? "" : "not "); |
__func__, authenticated ? "" : "not "); |
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return (authenticated); |
return (authenticated); |
} |
} |
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int r, allowed = 0; |
int r, allowed = 0; |
struct sshauthopt *opts = NULL; |
struct sshauthopt *opts = NULL; |
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debug3("%s entering", __func__); |
debug3_f("entering"); |
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if (authoptp != NULL) |
if (authoptp != NULL) |
*authoptp = NULL; |
*authoptp = NULL; |
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if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = sshbuf_put_u32(m, type)) != 0 || |
if ((r = sshbuf_put_u32(m, type)) != 0 || |
(r = sshbuf_put_cstring(m, user ? user : "")) != 0 || |
(r = sshbuf_put_cstring(m, user ? user : "")) != 0 || |
(r = sshbuf_put_cstring(m, host ? host : "")) != 0 || |
(r = sshbuf_put_cstring(m, host ? host : "")) != 0 || |
(r = sshkey_puts(key, m)) != 0 || |
(r = sshkey_puts(key, m)) != 0 || |
(r = sshbuf_put_u32(m, pubkey_auth_attempt)) != 0) |
(r = sshbuf_put_u32(m, pubkey_auth_attempt)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assemble"); |
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mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYALLOWED, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYALLOWED, m); |
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debug3("%s: waiting for MONITOR_ANS_KEYALLOWED", __func__); |
debug3_f("waiting for MONITOR_ANS_KEYALLOWED"); |
mm_request_receive_expect(pmonitor->m_recvfd, |
mm_request_receive_expect(pmonitor->m_recvfd, |
MONITOR_ANS_KEYALLOWED, m); |
MONITOR_ANS_KEYALLOWED, m); |
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if ((r = sshbuf_get_u32(m, &allowed)) != 0) |
if ((r = sshbuf_get_u32(m, &allowed)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
if (allowed && type == MM_USERKEY) { |
if (allowed && type == MM_USERKEY && |
if ((r = sshauthopt_deserialise(m, &opts)) != 0) |
(r = sshauthopt_deserialise(m, &opts)) != 0) |
fatal("%s: sshauthopt_deserialise: %s", |
fatal_fr(r, "sshauthopt_deserialise"); |
__func__, ssh_err(r)); |
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} |
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sshbuf_free(m); |
sshbuf_free(m); |
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if (authoptp != NULL) { |
if (authoptp != NULL) { |
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u_char sig_details_present, flags; |
u_char sig_details_present, flags; |
u_int counter; |
u_int counter; |
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debug3("%s entering", __func__); |
debug3_f("entering"); |
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if (sig_detailsp != NULL) |
if (sig_detailsp != NULL) |
*sig_detailsp = NULL; |
*sig_detailsp = NULL; |
if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = sshkey_puts(key, m)) != 0 || |
if ((r = sshkey_puts(key, m)) != 0 || |
(r = sshbuf_put_string(m, sig, siglen)) != 0 || |
(r = sshbuf_put_string(m, sig, siglen)) != 0 || |
(r = sshbuf_put_string(m, data, datalen)) != 0 || |
(r = sshbuf_put_string(m, data, datalen)) != 0 || |
(r = sshbuf_put_cstring(m, sigalg == NULL ? "" : sigalg)) != 0) |
(r = sshbuf_put_cstring(m, sigalg == NULL ? "" : sigalg)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assemble"); |
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mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYVERIFY, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_KEYVERIFY, m); |
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debug3("%s: waiting for MONITOR_ANS_KEYVERIFY", __func__); |
debug3_f("waiting for MONITOR_ANS_KEYVERIFY"); |
mm_request_receive_expect(pmonitor->m_recvfd, |
mm_request_receive_expect(pmonitor->m_recvfd, |
MONITOR_ANS_KEYVERIFY, m); |
MONITOR_ANS_KEYVERIFY, m); |
|
|
if ((r = sshbuf_get_u32(m, &encoded_ret)) != 0 || |
if ((r = sshbuf_get_u32(m, &encoded_ret)) != 0 || |
(r = sshbuf_get_u8(m, &sig_details_present)) != 0) |
(r = sshbuf_get_u8(m, &sig_details_present)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
if (sig_details_present && encoded_ret == 0) { |
if (sig_details_present && encoded_ret == 0) { |
if ((r = sshbuf_get_u32(m, &counter)) != 0 || |
if ((r = sshbuf_get_u32(m, &counter)) != 0 || |
(r = sshbuf_get_u8(m, &flags)) != 0) |
(r = sshbuf_get_u8(m, &flags)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse sig_details"); |
if (sig_detailsp != NULL) { |
if (sig_detailsp != NULL) { |
*sig_detailsp = xcalloc(1, sizeof(**sig_detailsp)); |
*sig_detailsp = xcalloc(1, sizeof(**sig_detailsp)); |
(*sig_detailsp)->sk_counter = counter; |
(*sig_detailsp)->sk_counter = counter; |
|
|
int r; |
int r; |
|
|
if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = ssh_packet_get_state(ssh, m)) != 0) |
if ((r = ssh_packet_get_state(ssh, m)) != 0) |
fatal("%s: get_state failed: %s", |
fatal_fr(r, "ssh_packet_get_state"); |
__func__, ssh_err(r)); |
|
mm_request_send(monitor->m_recvfd, MONITOR_REQ_KEYEXPORT, m); |
mm_request_send(monitor->m_recvfd, MONITOR_REQ_KEYEXPORT, m); |
debug3("%s: Finished sending state", __func__); |
debug3_f("Finished sending state"); |
sshbuf_free(m); |
sshbuf_free(m); |
} |
} |
|
|
|
|
/* Kludge: ensure there are fds free to receive the pty/tty */ |
/* Kludge: ensure there are fds free to receive the pty/tty */ |
if ((tmp1 = dup(pmonitor->m_recvfd)) == -1 || |
if ((tmp1 = dup(pmonitor->m_recvfd)) == -1 || |
(tmp2 = dup(pmonitor->m_recvfd)) == -1) { |
(tmp2 = dup(pmonitor->m_recvfd)) == -1) { |
error("%s: cannot allocate fds for pty", __func__); |
error_f("cannot allocate fds for pty"); |
if (tmp1 > 0) |
if (tmp1 > 0) |
close(tmp1); |
close(tmp1); |
if (tmp2 > 0) |
if (tmp2 > 0) |
|
|
close(tmp2); |
close(tmp2); |
|
|
if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTY, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTY, m); |
|
|
debug3("%s: waiting for MONITOR_ANS_PTY", __func__); |
debug3_f("waiting for MONITOR_ANS_PTY"); |
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PTY, m); |
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_PTY, m); |
|
|
if ((r = sshbuf_get_u32(m, &success)) != 0) |
if ((r = sshbuf_get_u32(m, &success)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse success"); |
if (success == 0) { |
if (success == 0) { |
debug3("%s: pty alloc failed", __func__); |
debug3_f("pty alloc failed"); |
sshbuf_free(m); |
sshbuf_free(m); |
return (0); |
return (0); |
} |
} |
if ((r = sshbuf_get_cstring(m, &p, NULL)) != 0 || |
if ((r = sshbuf_get_cstring(m, &p, NULL)) != 0 || |
(r = sshbuf_get_cstring(m, &msg, NULL)) != 0) |
(r = sshbuf_get_cstring(m, &msg, NULL)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
sshbuf_free(m); |
sshbuf_free(m); |
|
|
strlcpy(namebuf, p, namebuflen); /* Possible truncation */ |
strlcpy(namebuf, p, namebuflen); /* Possible truncation */ |
free(p); |
free(p); |
|
|
if ((r = sshbuf_put(loginmsg, msg, strlen(msg))) != 0) |
if ((r = sshbuf_put(loginmsg, msg, strlen(msg))) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "put loginmsg"); |
free(msg); |
free(msg); |
|
|
if ((*ptyfd = mm_receive_fd(pmonitor->m_recvfd)) == -1 || |
if ((*ptyfd = mm_receive_fd(pmonitor->m_recvfd)) == -1 || |
(*ttyfd = mm_receive_fd(pmonitor->m_recvfd)) == -1) |
(*ttyfd = mm_receive_fd(pmonitor->m_recvfd)) == -1) |
fatal("%s: receive fds failed", __func__); |
fatal_f("receive fds failed"); |
|
|
/* Success */ |
/* Success */ |
return (1); |
return (1); |
|
|
if (s->ttyfd == -1) |
if (s->ttyfd == -1) |
return; |
return; |
if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = sshbuf_put_cstring(m, s->tty)) != 0) |
if ((r = sshbuf_put_cstring(m, s->tty)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assmble"); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTYCLEANUP, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_PTYCLEANUP, m); |
sshbuf_free(m); |
sshbuf_free(m); |
|
|
|
|
struct sshbuf *m; |
struct sshbuf *m; |
|
|
if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_TERM, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_TERM, m); |
sshbuf_free(m); |
sshbuf_free(m); |
} |
} |
|
|
char *challenge; |
char *challenge; |
int r; |
int r; |
|
|
debug3("%s: entering", __func__); |
debug3_f("entering"); |
|
|
if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_BSDAUTHQUERY, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_BSDAUTHQUERY, m); |
|
|
mm_request_receive_expect(pmonitor->m_recvfd, |
mm_request_receive_expect(pmonitor->m_recvfd, |
MONITOR_ANS_BSDAUTHQUERY, m); |
MONITOR_ANS_BSDAUTHQUERY, m); |
if ((r = sshbuf_get_u32(m, &success)) != 0) |
if ((r = sshbuf_get_u32(m, &success)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse success"); |
if (success == 0) { |
if (success == 0) { |
debug3("%s: no challenge", __func__); |
debug3_f("no challenge"); |
sshbuf_free(m); |
sshbuf_free(m); |
return (-1); |
return (-1); |
} |
} |
|
|
/* Get the challenge, and format the response */ |
/* Get the challenge, and format the response */ |
if ((r = sshbuf_get_cstring(m, &challenge, NULL)) != 0) |
if ((r = sshbuf_get_cstring(m, &challenge, NULL)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse challenge"); |
sshbuf_free(m); |
sshbuf_free(m); |
|
|
mm_chall_setup(name, infotxt, numprompts, prompts, echo_on); |
mm_chall_setup(name, infotxt, numprompts, prompts, echo_on); |
(*prompts)[0] = challenge; |
(*prompts)[0] = challenge; |
|
|
debug3("%s: received challenge: %s", __func__, challenge); |
debug3_f("received challenge: %s", challenge); |
|
|
return (0); |
return (0); |
} |
} |
|
|
struct sshbuf *m; |
struct sshbuf *m; |
int r, authok; |
int r, authok; |
|
|
debug3("%s: entering", __func__); |
debug3_f("entering"); |
if (numresponses != 1) |
if (numresponses != 1) |
return (-1); |
return (-1); |
|
|
if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = sshbuf_put_cstring(m, responses[0])) != 0) |
if ((r = sshbuf_put_cstring(m, responses[0])) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assemble"); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_BSDAUTHRESPOND, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_BSDAUTHRESPOND, m); |
|
|
mm_request_receive_expect(pmonitor->m_recvfd, |
mm_request_receive_expect(pmonitor->m_recvfd, |
MONITOR_ANS_BSDAUTHRESPOND, m); |
MONITOR_ANS_BSDAUTHRESPOND, m); |
|
|
if ((r = sshbuf_get_u32(m, &authok)) != 0) |
if ((r = sshbuf_get_u32(m, &authok)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
sshbuf_free(m); |
sshbuf_free(m); |
|
|
return ((authok == 0) ? -1 : 0); |
return ((authok == 0) ? -1 : 0); |
|
|
*ctx = NULL; |
*ctx = NULL; |
|
|
if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = sshbuf_put_string(m, goid->elements, goid->length)) != 0) |
if ((r = sshbuf_put_string(m, goid->elements, goid->length)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assemble"); |
|
|
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSETUP, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSETUP, m); |
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSETUP, m); |
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSETUP, m); |
|
|
if ((r = sshbuf_get_u32(m, &major)) != 0) |
if ((r = sshbuf_get_u32(m, &major)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
|
|
sshbuf_free(m); |
sshbuf_free(m); |
return (major); |
return (major); |
|
|
int r; |
int r; |
|
|
if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = sshbuf_put_string(m, in->value, in->length)) != 0) |
if ((r = sshbuf_put_string(m, in->value, in->length)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assemble"); |
|
|
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSTEP, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSSTEP, m); |
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSTEP, m); |
mm_request_receive_expect(pmonitor->m_recvfd, MONITOR_ANS_GSSSTEP, m); |
|
|
if ((r = sshbuf_get_u32(m, &major)) != 0 || |
if ((r = sshbuf_get_u32(m, &major)) != 0 || |
(r = ssh_gssapi_get_buffer_desc(m, out)) != 0) |
(r = ssh_gssapi_get_buffer_desc(m, out)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
if (flagsp != NULL) { |
if (flagsp != NULL) { |
if ((r = sshbuf_get_u32(m, &flags)) != 0) |
if ((r = sshbuf_get_u32(m, &flags)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse flags"); |
*flagsp = flags; |
*flagsp = flags; |
} |
} |
|
|
|
|
int r; |
int r; |
|
|
if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
if ((r = sshbuf_put_string(m, gssbuf->value, gssbuf->length)) != 0 || |
if ((r = sshbuf_put_string(m, gssbuf->value, gssbuf->length)) != 0 || |
(r = sshbuf_put_string(m, gssmic->value, gssmic->length)) != 0) |
(r = sshbuf_put_string(m, gssmic->value, gssmic->length)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "assemble"); |
|
|
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSCHECKMIC, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSCHECKMIC, m); |
mm_request_receive_expect(pmonitor->m_recvfd, |
mm_request_receive_expect(pmonitor->m_recvfd, |
MONITOR_ANS_GSSCHECKMIC, m); |
MONITOR_ANS_GSSCHECKMIC, m); |
|
|
if ((r = sshbuf_get_u32(m, &major)) != 0) |
if ((r = sshbuf_get_u32(m, &major)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
sshbuf_free(m); |
sshbuf_free(m); |
return(major); |
return(major); |
} |
} |
|
|
int r, authenticated = 0; |
int r, authenticated = 0; |
|
|
if ((m = sshbuf_new()) == NULL) |
if ((m = sshbuf_new()) == NULL) |
fatal("%s: sshbuf_new failed", __func__); |
fatal_f("sshbuf_new failed"); |
|
|
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSUSEROK, m); |
mm_request_send(pmonitor->m_recvfd, MONITOR_REQ_GSSUSEROK, m); |
mm_request_receive_expect(pmonitor->m_recvfd, |
mm_request_receive_expect(pmonitor->m_recvfd, |
MONITOR_ANS_GSSUSEROK, m); |
MONITOR_ANS_GSSUSEROK, m); |
|
|
if ((r = sshbuf_get_u32(m, &authenticated)) != 0) |
if ((r = sshbuf_get_u32(m, &authenticated)) != 0) |
fatal("%s: buffer error: %s", __func__, ssh_err(r)); |
fatal_fr(r, "parse"); |
|
|
sshbuf_free(m); |
sshbuf_free(m); |
debug3("%s: user %sauthenticated",__func__, authenticated ? "" : "not "); |
debug3_f("user %sauthenticated", authenticated ? "" : "not "); |
return (authenticated); |
return (authenticated); |
} |
} |
#endif /* GSSAPI */ |
#endif /* GSSAPI */ |