version 1.179, 2010/02/26 20:29:54 |
version 1.190, 2010/05/20 23:46:02 |
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/* Flag indicating that we want to delete a host from a known_hosts file */ |
/* Flag indicating that we want to delete a host from a known_hosts file */ |
int delete_host = 0; |
int delete_host = 0; |
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/* Flag indicating that we want to show the contents of a certificate */ |
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int show_cert = 0; |
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/* Flag indicating that we just want to see the key fingerprint */ |
/* Flag indicating that we just want to see the key fingerprint */ |
int print_fingerprint = 0; |
int print_fingerprint = 0; |
int print_bubblebabble = 0; |
int print_bubblebabble = 0; |
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/* Path to CA key when certifying keys. */ |
/* Path to CA key when certifying keys. */ |
char *ca_key_path = NULL; |
char *ca_key_path = NULL; |
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/* Certificate serial number */ |
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long long cert_serial = 0; |
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/* Key type when certifying */ |
/* Key type when certifying */ |
u_int cert_key_type = SSH2_CERT_TYPE_USER; |
u_int cert_key_type = SSH2_CERT_TYPE_USER; |
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u_int64_t cert_valid_from = 0; |
u_int64_t cert_valid_from = 0; |
u_int64_t cert_valid_to = ~0ULL; |
u_int64_t cert_valid_to = ~0ULL; |
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/* Certificate constraints */ |
/* Certificate options */ |
#define CONSTRAINT_X_FWD (1) |
#define CERTOPT_X_FWD (1) |
#define CONSTRAINT_AGENT_FWD (1<<1) |
#define CERTOPT_AGENT_FWD (1<<1) |
#define CONSTRAINT_PORT_FWD (1<<2) |
#define CERTOPT_PORT_FWD (1<<2) |
#define CONSTRAINT_PTY (1<<3) |
#define CERTOPT_PTY (1<<3) |
#define CONSTRAINT_USER_RC (1<<4) |
#define CERTOPT_USER_RC (1<<4) |
#define CONSTRAINT_DEFAULT (CONSTRAINT_X_FWD|CONSTRAINT_AGENT_FWD| \ |
#define CERTOPT_DEFAULT (CERTOPT_X_FWD|CERTOPT_AGENT_FWD| \ |
CONSTRAINT_PORT_FWD|CONSTRAINT_PTY| \ |
CERTOPT_PORT_FWD|CERTOPT_PTY|CERTOPT_USER_RC) |
CONSTRAINT_USER_RC) |
u_int32_t certflags_flags = CERTOPT_DEFAULT; |
u_int32_t constraint_flags = CONSTRAINT_DEFAULT; |
char *certflags_command = NULL; |
char *constraint_command = NULL; |
char *certflags_src_addr = NULL; |
char *constraint_src_addr = NULL; |
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/* Dump public key file in format used by real and the original SSH 2 */ |
/* Dump public key file in format used by real and the original SSH 2 */ |
int convert_to_ssh2 = 0; |
int convert_to_ssh2 = 0; |
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case KEY_RSA1: |
case KEY_RSA1: |
name = _PATH_SSH_CLIENT_IDENTITY; |
name = _PATH_SSH_CLIENT_IDENTITY; |
break; |
break; |
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case KEY_DSA_CERT: |
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case KEY_DSA_CERT_V00: |
case KEY_DSA: |
case KEY_DSA: |
name = _PATH_SSH_CLIENT_ID_DSA; |
name = _PATH_SSH_CLIENT_ID_DSA; |
break; |
break; |
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case KEY_RSA_CERT: |
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case KEY_RSA_CERT_V00: |
case KEY_RSA: |
case KEY_RSA: |
name = _PATH_SSH_CLIENT_ID_RSA; |
name = _PATH_SSH_CLIENT_ID_RSA; |
break; |
break; |
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} |
} |
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static const char * |
static const char * |
fmt_validity(void) |
fmt_validity(u_int64_t valid_from, u_int64_t valid_to) |
{ |
{ |
char from[32], to[32]; |
char from[32], to[32]; |
static char ret[64]; |
static char ret[64]; |
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struct tm *tm; |
struct tm *tm; |
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*from = *to = '\0'; |
*from = *to = '\0'; |
if (cert_valid_from == 0 && |
if (valid_from == 0 && valid_to == 0xffffffffffffffffULL) |
cert_valid_to == 0xffffffffffffffffULL) |
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return "forever"; |
return "forever"; |
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if (cert_valid_from != 0) { |
if (valid_from != 0) { |
/* XXX revisit INT_MAX in 2038 :) */ |
/* XXX revisit INT_MAX in 2038 :) */ |
tt = cert_valid_from > INT_MAX ? INT_MAX : cert_valid_from; |
tt = valid_from > INT_MAX ? INT_MAX : valid_from; |
tm = localtime(&tt); |
tm = localtime(&tt); |
strftime(from, sizeof(from), "%Y-%m-%dT%H:%M:%S", tm); |
strftime(from, sizeof(from), "%Y-%m-%dT%H:%M:%S", tm); |
} |
} |
if (cert_valid_to != 0xffffffffffffffffULL) { |
if (valid_to != 0xffffffffffffffffULL) { |
/* XXX revisit INT_MAX in 2038 :) */ |
/* XXX revisit INT_MAX in 2038 :) */ |
tt = cert_valid_to > INT_MAX ? INT_MAX : cert_valid_to; |
tt = valid_to > INT_MAX ? INT_MAX : valid_to; |
tm = localtime(&tt); |
tm = localtime(&tt); |
strftime(to, sizeof(to), "%Y-%m-%dT%H:%M:%S", tm); |
strftime(to, sizeof(to), "%Y-%m-%dT%H:%M:%S", tm); |
} |
} |
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if (cert_valid_from == 0) { |
if (valid_from == 0) { |
snprintf(ret, sizeof(ret), "before %s", to); |
snprintf(ret, sizeof(ret), "before %s", to); |
return ret; |
return ret; |
} |
} |
if (cert_valid_to == 0xffffffffffffffffULL) { |
if (valid_to == 0xffffffffffffffffULL) { |
snprintf(ret, sizeof(ret), "after %s", from); |
snprintf(ret, sizeof(ret), "after %s", from); |
return ret; |
return ret; |
} |
} |
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} |
} |
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static void |
static void |
add_flag_constraint(Buffer *c, const char *name) |
add_flag_option(Buffer *c, const char *name) |
{ |
{ |
debug3("%s: %s", __func__, name); |
debug3("%s: %s", __func__, name); |
buffer_put_cstring(c, name); |
buffer_put_cstring(c, name); |
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} |
} |
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static void |
static void |
add_string_constraint(Buffer *c, const char *name, const char *value) |
add_string_option(Buffer *c, const char *name, const char *value) |
{ |
{ |
Buffer b; |
Buffer b; |
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buffer_free(&b); |
buffer_free(&b); |
} |
} |
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#define OPTIONS_CRITICAL 1 |
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#define OPTIONS_EXTENSIONS 2 |
static void |
static void |
prepare_constraint_buf(Buffer *c) |
prepare_options_buf(Buffer *c, int which) |
{ |
{ |
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buffer_clear(c); |
buffer_clear(c); |
if ((constraint_flags & CONSTRAINT_X_FWD) != 0) |
if ((which & OPTIONS_EXTENSIONS) != 0 && |
add_flag_constraint(c, "permit-X11-forwarding"); |
(certflags_flags & CERTOPT_X_FWD) != 0) |
if ((constraint_flags & CONSTRAINT_AGENT_FWD) != 0) |
add_flag_option(c, "permit-X11-forwarding"); |
add_flag_constraint(c, "permit-agent-forwarding"); |
if ((which & OPTIONS_EXTENSIONS) != 0 && |
if ((constraint_flags & CONSTRAINT_PORT_FWD) != 0) |
(certflags_flags & CERTOPT_AGENT_FWD) != 0) |
add_flag_constraint(c, "permit-port-forwarding"); |
add_flag_option(c, "permit-agent-forwarding"); |
if ((constraint_flags & CONSTRAINT_PTY) != 0) |
if ((which & OPTIONS_EXTENSIONS) != 0 && |
add_flag_constraint(c, "permit-pty"); |
(certflags_flags & CERTOPT_PORT_FWD) != 0) |
if ((constraint_flags & CONSTRAINT_USER_RC) != 0) |
add_flag_option(c, "permit-port-forwarding"); |
add_flag_constraint(c, "permit-user-rc"); |
if ((which & OPTIONS_EXTENSIONS) != 0 && |
if (constraint_command != NULL) |
(certflags_flags & CERTOPT_PTY) != 0) |
add_string_constraint(c, "forced-command", constraint_command); |
add_flag_option(c, "permit-pty"); |
if (constraint_src_addr != NULL) |
if ((which & OPTIONS_EXTENSIONS) != 0 && |
add_string_constraint(c, "source-address", constraint_src_addr); |
(certflags_flags & CERTOPT_USER_RC) != 0) |
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add_flag_option(c, "permit-user-rc"); |
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if ((which & OPTIONS_CRITICAL) != 0 && |
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certflags_command != NULL) |
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add_string_option(c, "force-command", certflags_command); |
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if ((which & OPTIONS_CRITICAL) != 0 && |
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certflags_src_addr != NULL) |
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add_string_option(c, "source-address", certflags_src_addr); |
} |
} |
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static void |
static void |
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Key *ca, *public; |
Key *ca, *public; |
char *otmp, *tmp, *cp, *out, *comment, **plist = NULL; |
char *otmp, *tmp, *cp, *out, *comment, **plist = NULL; |
FILE *f; |
FILE *f; |
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int v00 = 0; /* legacy keys */ |
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tmp = tilde_expand_filename(ca_key_path, pw->pw_uid); |
tmp = tilde_expand_filename(ca_key_path, pw->pw_uid); |
if ((ca = load_identity(tmp)) == NULL) |
if ((ca = load_identity(tmp)) == NULL) |
fatal("Couldn't load CA key \"%s\"", tmp); |
fatal("Couldn't load CA key \"%s\"", tmp); |
xfree(tmp); |
xfree(tmp); |
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if (key_type_name != NULL) { |
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switch (key_type_from_name(key_type_name)) { |
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case KEY_RSA_CERT_V00: |
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case KEY_DSA_CERT_V00: |
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v00 = 1; |
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break; |
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case KEY_UNSPEC: |
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if (strcasecmp(key_type_name, "v00") == 0) { |
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v00 = 1; |
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break; |
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} else if (strcasecmp(key_type_name, "v01") == 0) |
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break; |
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/* FALLTHROUGH */ |
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default: |
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fprintf(stderr, "unknown key type %s\n", key_type_name); |
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exit(1); |
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} |
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} |
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for (i = 0; i < argc; i++) { |
for (i = 0; i < argc; i++) { |
/* Split list of principals */ |
/* Split list of principals */ |
n = 0; |
n = 0; |
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__func__, tmp, key_type(public)); |
__func__, tmp, key_type(public)); |
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/* Prepare certificate to sign */ |
/* Prepare certificate to sign */ |
if (key_to_certified(public) != 0) |
if (key_to_certified(public, v00) != 0) |
fatal("Could not upgrade key %s to certificate", tmp); |
fatal("Could not upgrade key %s to certificate", tmp); |
public->cert->type = cert_key_type; |
public->cert->type = cert_key_type; |
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public->cert->serial = (u_int64_t)cert_serial; |
public->cert->key_id = xstrdup(cert_key_id); |
public->cert->key_id = xstrdup(cert_key_id); |
public->cert->nprincipals = n; |
public->cert->nprincipals = n; |
public->cert->principals = plist; |
public->cert->principals = plist; |
public->cert->valid_after = cert_valid_from; |
public->cert->valid_after = cert_valid_from; |
public->cert->valid_before = cert_valid_to; |
public->cert->valid_before = cert_valid_to; |
prepare_constraint_buf(&public->cert->constraints); |
if (v00) { |
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prepare_options_buf(&public->cert->critical, |
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OPTIONS_CRITICAL|OPTIONS_EXTENSIONS); |
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} else { |
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prepare_options_buf(&public->cert->critical, |
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OPTIONS_CRITICAL); |
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prepare_options_buf(&public->cert->extensions, |
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OPTIONS_EXTENSIONS); |
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} |
public->cert->signature_key = key_from_private(ca); |
public->cert->signature_key = key_from_private(ca); |
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if (key_certify(public, ca) != 0) |
if (key_certify(public, ca) != 0) |
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fprintf(f, " %s\n", comment); |
fprintf(f, " %s\n", comment); |
fclose(f); |
fclose(f); |
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if (!quiet) |
if (!quiet) { |
logit("Signed %s key %s: id \"%s\"%s%s valid %s", |
logit("Signed %s key %s: id \"%s\" serial %llu%s%s " |
cert_key_type == SSH2_CERT_TYPE_USER?"user":"host", |
"valid %s", key_cert_type(public), |
out, cert_key_id, |
out, public->cert->key_id, public->cert->serial, |
cert_principals != NULL ? " for " : "", |
cert_principals != NULL ? " for " : "", |
cert_principals != NULL ? cert_principals : "", |
cert_principals != NULL ? cert_principals : "", |
fmt_validity()); |
fmt_validity(cert_valid_from, cert_valid_to)); |
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} |
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key_free(public); |
key_free(public); |
xfree(out); |
xfree(out); |
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{ |
{ |
struct tm tm; |
struct tm tm; |
time_t tt; |
time_t tt; |
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char buf[32], *fmt; |
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if (strlen(s) != 8 && strlen(s) != 14) |
/* |
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* POSIX strptime says "The application shall ensure that there |
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* is white-space or other non-alphanumeric characters between |
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* any two conversion specifications" so arrange things this way. |
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*/ |
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switch (strlen(s)) { |
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case 8: |
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fmt = "%Y-%m-%d"; |
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snprintf(buf, sizeof(buf), "%.4s-%.2s-%.2s", s, s + 4, s + 6); |
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break; |
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case 14: |
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fmt = "%Y-%m-%dT%H:%M:%S"; |
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snprintf(buf, sizeof(buf), "%.4s-%.2s-%.2sT%.2s:%.2s:%.2s", |
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s, s + 4, s + 6, s + 8, s + 10, s + 12); |
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break; |
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default: |
fatal("Invalid certificate time format %s", s); |
fatal("Invalid certificate time format %s", s); |
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} |
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bzero(&tm, sizeof(tm)); |
bzero(&tm, sizeof(tm)); |
if (strptime(s, |
if (strptime(buf, fmt, &tm) == NULL) |
strlen(s) == 8 ? "%Y%m%d" : "%Y%m%d%H%M%S", &tm) == NULL) |
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fatal("Invalid certificate time %s", s); |
fatal("Invalid certificate time %s", s); |
if ((tt = mktime(&tm)) < 0) |
if ((tt = mktime(&tm)) < 0) |
fatal("Certificate time %s cannot be represented", s); |
fatal("Certificate time %s cannot be represented", s); |
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from = xstrdup(timespec); |
from = xstrdup(timespec); |
to = strchr(from, ':'); |
to = strchr(from, ':'); |
if (to == NULL || from == to || *(to + 1) == '\0') |
if (to == NULL || from == to || *(to + 1) == '\0') |
fatal("Invalid certificate life specification %s", optarg); |
fatal("Invalid certificate life specification %s", timespec); |
*to++ = '\0'; |
*to++ = '\0'; |
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if (*from == '-' || *from == '+') |
if (*from == '-' || *from == '+') |
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} |
} |
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static void |
static void |
add_cert_constraint(char *opt) |
add_cert_option(char *opt) |
{ |
{ |
char *val; |
char *val; |
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if (strcmp(opt, "clear") == 0) |
if (strcmp(opt, "clear") == 0) |
constraint_flags = 0; |
certflags_flags = 0; |
else if (strcasecmp(opt, "no-x11-forwarding") == 0) |
else if (strcasecmp(opt, "no-x11-forwarding") == 0) |
constraint_flags &= ~CONSTRAINT_X_FWD; |
certflags_flags &= ~CERTOPT_X_FWD; |
else if (strcasecmp(opt, "permit-x11-forwarding") == 0) |
else if (strcasecmp(opt, "permit-x11-forwarding") == 0) |
constraint_flags |= CONSTRAINT_X_FWD; |
certflags_flags |= CERTOPT_X_FWD; |
else if (strcasecmp(opt, "no-agent-forwarding") == 0) |
else if (strcasecmp(opt, "no-agent-forwarding") == 0) |
constraint_flags &= ~CONSTRAINT_AGENT_FWD; |
certflags_flags &= ~CERTOPT_AGENT_FWD; |
else if (strcasecmp(opt, "permit-agent-forwarding") == 0) |
else if (strcasecmp(opt, "permit-agent-forwarding") == 0) |
constraint_flags |= CONSTRAINT_AGENT_FWD; |
certflags_flags |= CERTOPT_AGENT_FWD; |
else if (strcasecmp(opt, "no-port-forwarding") == 0) |
else if (strcasecmp(opt, "no-port-forwarding") == 0) |
constraint_flags &= ~CONSTRAINT_PORT_FWD; |
certflags_flags &= ~CERTOPT_PORT_FWD; |
else if (strcasecmp(opt, "permit-port-forwarding") == 0) |
else if (strcasecmp(opt, "permit-port-forwarding") == 0) |
constraint_flags |= CONSTRAINT_PORT_FWD; |
certflags_flags |= CERTOPT_PORT_FWD; |
else if (strcasecmp(opt, "no-pty") == 0) |
else if (strcasecmp(opt, "no-pty") == 0) |
constraint_flags &= ~CONSTRAINT_PTY; |
certflags_flags &= ~CERTOPT_PTY; |
else if (strcasecmp(opt, "permit-pty") == 0) |
else if (strcasecmp(opt, "permit-pty") == 0) |
constraint_flags |= CONSTRAINT_PTY; |
certflags_flags |= CERTOPT_PTY; |
else if (strcasecmp(opt, "no-user-rc") == 0) |
else if (strcasecmp(opt, "no-user-rc") == 0) |
constraint_flags &= ~CONSTRAINT_USER_RC; |
certflags_flags &= ~CERTOPT_USER_RC; |
else if (strcasecmp(opt, "permit-user-rc") == 0) |
else if (strcasecmp(opt, "permit-user-rc") == 0) |
constraint_flags |= CONSTRAINT_USER_RC; |
certflags_flags |= CERTOPT_USER_RC; |
else if (strncasecmp(opt, "force-command=", 14) == 0) { |
else if (strncasecmp(opt, "force-command=", 14) == 0) { |
val = opt + 14; |
val = opt + 14; |
if (*val == '\0') |
if (*val == '\0') |
fatal("Empty force-command constraint"); |
fatal("Empty force-command option"); |
if (constraint_command != NULL) |
if (certflags_command != NULL) |
fatal("force-command already specified"); |
fatal("force-command already specified"); |
constraint_command = xstrdup(val); |
certflags_command = xstrdup(val); |
} else if (strncasecmp(opt, "source-address=", 15) == 0) { |
} else if (strncasecmp(opt, "source-address=", 15) == 0) { |
val = opt + 15; |
val = opt + 15; |
if (*val == '\0') |
if (*val == '\0') |
fatal("Empty source-address constraint"); |
fatal("Empty source-address option"); |
if (constraint_src_addr != NULL) |
if (certflags_src_addr != NULL) |
fatal("source-address already specified"); |
fatal("source-address already specified"); |
if (addr_match_cidr_list(NULL, val) != 0) |
if (addr_match_cidr_list(NULL, val) != 0) |
fatal("Invalid source-address list"); |
fatal("Invalid source-address list"); |
constraint_src_addr = xstrdup(val); |
certflags_src_addr = xstrdup(val); |
} else |
} else |
fatal("Unsupported certificate constraint \"%s\"", opt); |
fatal("Unsupported certificate option \"%s\"", opt); |
} |
} |
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static void |
static void |
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do_show_cert(struct passwd *pw) |
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{ |
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Key *key; |
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struct stat st; |
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char *key_fp, *ca_fp; |
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Buffer options, option; |
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u_char *name, *data; |
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u_int i, dlen, v00; |
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if (!have_identity) |
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ask_filename(pw, "Enter file in which the key is"); |
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if (stat(identity_file, &st) < 0) { |
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perror(identity_file); |
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exit(1); |
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} |
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if ((key = key_load_public(identity_file, NULL)) == NULL) |
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fatal("%s is not a public key", identity_file); |
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if (!key_is_cert(key)) |
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fatal("%s is not a certificate", identity_file); |
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v00 = key->type == KEY_RSA_CERT_V00 || key->type == KEY_DSA_CERT_V00; |
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key_fp = key_fingerprint(key, SSH_FP_MD5, SSH_FP_HEX); |
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ca_fp = key_fingerprint(key->cert->signature_key, |
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SSH_FP_MD5, SSH_FP_HEX); |
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printf("%s:\n", identity_file); |
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printf(" Type: %s %s certificate\n", key_ssh_name(key), |
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key_cert_type(key)); |
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printf(" Public key: %s %s\n", key_type(key), key_fp); |
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printf(" Signing CA: %s %s\n", |
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key_type(key->cert->signature_key), ca_fp); |
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printf(" Key ID: \"%s\"\n", key->cert->key_id); |
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if (!v00) |
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printf(" Serial: %llu\n", key->cert->serial); |
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printf(" Valid: %s\n", |
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fmt_validity(key->cert->valid_after, key->cert->valid_before)); |
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printf(" Principals: "); |
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if (key->cert->nprincipals == 0) |
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printf("(none)\n"); |
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else { |
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for (i = 0; i < key->cert->nprincipals; i++) |
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printf("\n %s", |
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key->cert->principals[i]); |
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printf("\n"); |
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} |
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printf(" Critical Options: "); |
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if (buffer_len(&key->cert->critical) == 0) |
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printf("(none)\n"); |
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else { |
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printf("\n"); |
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buffer_init(&options); |
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buffer_append(&options, |
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buffer_ptr(&key->cert->critical), |
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buffer_len(&key->cert->critical)); |
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buffer_init(&option); |
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while (buffer_len(&options) != 0) { |
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name = buffer_get_string(&options, NULL); |
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data = buffer_get_string_ptr(&options, &dlen); |
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buffer_append(&option, data, dlen); |
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printf(" %s", name); |
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if (strcmp(name, "permit-X11-forwarding") == 0 || |
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strcmp(name, "permit-agent-forwarding") == 0 || |
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strcmp(name, "permit-port-forwarding") == 0 || |
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strcmp(name, "permit-pty") == 0 || |
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strcmp(name, "permit-user-rc") == 0) |
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printf("\n"); |
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else if (strcmp(name, "force-command") == 0 || |
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strcmp(name, "source-address") == 0) { |
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data = buffer_get_string(&option, NULL); |
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printf(" %s\n", data); |
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xfree(data); |
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} else { |
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printf(" UNKNOWN OPTION (len %u)\n", |
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buffer_len(&option)); |
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buffer_clear(&option); |
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} |
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xfree(name); |
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if (buffer_len(&option) != 0) |
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fatal("Option corrupt: extra data at end"); |
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} |
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buffer_free(&option); |
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buffer_free(&options); |
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} |
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if (!v00) { |
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printf(" Extensions: "); |
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if (buffer_len(&key->cert->extensions) == 0) |
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printf("(none)\n"); |
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else { |
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printf("\n"); |
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buffer_init(&options); |
|
buffer_append(&options, |
|
buffer_ptr(&key->cert->extensions), |
|
buffer_len(&key->cert->extensions)); |
|
buffer_init(&option); |
|
while (buffer_len(&options) != 0) { |
|
name = buffer_get_string(&options, NULL); |
|
(void)buffer_get_string_ptr(&options, &dlen); |
|
printf(" %s UNKNOWN OPTION " |
|
"(len %u)\n", name, dlen); |
|
xfree(name); |
|
} |
|
buffer_free(&option); |
|
buffer_free(&options); |
|
} |
|
} |
|
exit(0); |
|
} |
|
|
|
static void |
usage(void) |
usage(void) |
{ |
{ |
fprintf(stderr, "usage: %s [options]\n", __progname); |
fprintf(stderr, "usage: %s [options]\n", __progname); |
|
|
fprintf(stderr, " -h Generate host certificate instead of a user certificate.\n"); |
fprintf(stderr, " -h Generate host certificate instead of a user certificate.\n"); |
fprintf(stderr, " -I key_id Key identifier to include in certificate.\n"); |
fprintf(stderr, " -I key_id Key identifier to include in certificate.\n"); |
fprintf(stderr, " -i Convert RFC 4716 to OpenSSH key file.\n"); |
fprintf(stderr, " -i Convert RFC 4716 to OpenSSH key file.\n"); |
|
fprintf(stderr, " -L Print the contents of a certificate.\n"); |
fprintf(stderr, " -l Show fingerprint of key file.\n"); |
fprintf(stderr, " -l Show fingerprint of key file.\n"); |
fprintf(stderr, " -M memory Amount of memory (MB) to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -M memory Amount of memory (MB) to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -n name,... User/host principal names to include in certificate\n"); |
fprintf(stderr, " -n name,... User/host principal names to include in certificate\n"); |
fprintf(stderr, " -N phrase Provide new passphrase.\n"); |
fprintf(stderr, " -N phrase Provide new passphrase.\n"); |
fprintf(stderr, " -O cnstr Specify a certificate constraint.\n"); |
fprintf(stderr, " -O option Specify a certificate option.\n"); |
fprintf(stderr, " -P phrase Provide old passphrase.\n"); |
fprintf(stderr, " -P phrase Provide old passphrase.\n"); |
fprintf(stderr, " -p Change passphrase of private key file.\n"); |
fprintf(stderr, " -p Change passphrase of private key file.\n"); |
fprintf(stderr, " -q Quiet.\n"); |
fprintf(stderr, " -q Quiet.\n"); |
|
|
fprintf(stderr, " -v Verbose.\n"); |
fprintf(stderr, " -v Verbose.\n"); |
fprintf(stderr, " -W gen Generator to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -W gen Generator to use for generating DH-GEX moduli.\n"); |
fprintf(stderr, " -y Read private key file and print public key.\n"); |
fprintf(stderr, " -y Read private key file and print public key.\n"); |
|
fprintf(stderr, " -z serial Specify a serial number.\n"); |
|
|
exit(1); |
exit(1); |
} |
} |
|
|
struct passwd *pw; |
struct passwd *pw; |
struct stat st; |
struct stat st; |
int opt, type, fd; |
int opt, type, fd; |
|
u_int maxbits; |
u_int32_t memory = 0, generator_wanted = 0, trials = 100; |
u_int32_t memory = 0, generator_wanted = 0, trials = 100; |
int do_gen_candidates = 0, do_screen_candidates = 0; |
int do_gen_candidates = 0, do_screen_candidates = 0; |
BIGNUM *start = NULL; |
BIGNUM *start = NULL; |
|
|
exit(1); |
exit(1); |
} |
} |
|
|
while ((opt = getopt(argc, argv, "degiqpclBHhvxXyF:b:f:t:D:I:P:N:n:" |
while ((opt = getopt(argc, argv, "degiqpclBHLhvxXyF:b:f:t:D:I:P:N:n:" |
"O:C:r:g:R:T:G:M:S:s:a:V:W:")) != -1) { |
"O:C:r:g:R:T:G:M:S:s:a:V:W:z:")) != -1) { |
switch (opt) { |
switch (opt) { |
case 'b': |
case 'b': |
bits = (u_int32_t)strtonum(optarg, 768, 32768, &errstr); |
bits = (u_int32_t)strtonum(optarg, 768, 32768, &errstr); |
|
|
delete_host = 1; |
delete_host = 1; |
rr_hostname = optarg; |
rr_hostname = optarg; |
break; |
break; |
|
case 'L': |
|
show_cert = 1; |
|
break; |
case 'l': |
case 'l': |
print_fingerprint = 1; |
print_fingerprint = 1; |
break; |
break; |
|
|
identity_new_passphrase = optarg; |
identity_new_passphrase = optarg; |
break; |
break; |
case 'O': |
case 'O': |
add_cert_constraint(optarg); |
add_cert_option(optarg); |
break; |
break; |
case 'C': |
case 'C': |
identity_comment = optarg; |
identity_comment = optarg; |
|
|
break; |
break; |
case 'h': |
case 'h': |
cert_key_type = SSH2_CERT_TYPE_HOST; |
cert_key_type = SSH2_CERT_TYPE_HOST; |
constraint_flags = 0; |
certflags_flags = 0; |
break; |
break; |
case 'i': |
case 'i': |
case 'X': |
case 'X': |
|
|
break; |
break; |
case 'M': |
case 'M': |
memory = (u_int32_t)strtonum(optarg, 1, UINT_MAX, &errstr); |
memory = (u_int32_t)strtonum(optarg, 1, UINT_MAX, &errstr); |
if (errstr) { |
if (errstr) |
fatal("Memory limit is %s: %s", errstr, optarg); |
fatal("Memory limit is %s: %s", errstr, optarg); |
} |
|
break; |
break; |
case 'G': |
case 'G': |
do_gen_candidates = 1; |
do_gen_candidates = 1; |
|
|
case 'V': |
case 'V': |
parse_cert_times(optarg); |
parse_cert_times(optarg); |
break; |
break; |
|
case 'z': |
|
cert_serial = strtonum(optarg, 0, LLONG_MAX, &errstr); |
|
if (errstr) |
|
fatal("Invalid serial number: %s", errstr); |
|
break; |
case '?': |
case '?': |
default: |
default: |
usage(); |
usage(); |
|
|
fatal("Must specify key id (-I) when certifying"); |
fatal("Must specify key id (-I) when certifying"); |
do_ca_sign(pw, argc, argv); |
do_ca_sign(pw, argc, argv); |
} |
} |
|
if (show_cert) |
|
do_show_cert(pw); |
if (delete_host || hash_hosts || find_host) |
if (delete_host || hash_hosts || find_host) |
do_known_hosts(pw, rr_hostname); |
do_known_hosts(pw, rr_hostname); |
if (print_fingerprint || print_bubblebabble) |
if (print_fingerprint || print_bubblebabble) |
|
|
} |
} |
if (bits == 0) |
if (bits == 0) |
bits = (type == KEY_DSA) ? DEFAULT_BITS_DSA : DEFAULT_BITS; |
bits = (type == KEY_DSA) ? DEFAULT_BITS_DSA : DEFAULT_BITS; |
|
maxbits = (type == KEY_DSA) ? |
|
OPENSSL_DSA_MAX_MODULUS_BITS : OPENSSL_RSA_MAX_MODULUS_BITS; |
|
if (bits > maxbits) { |
|
fprintf(stderr, "key bits exceeds maximum %d\n", maxbits); |
|
exit(1); |
|
} |
if (type == KEY_DSA && bits != 1024) |
if (type == KEY_DSA && bits != 1024) |
fatal("DSA keys must be 1024 bits"); |
fatal("DSA keys must be 1024 bits"); |
if (!quiet) |
if (!quiet) |
|
|
ask_filename(pw, "Enter file in which to save the key"); |
ask_filename(pw, "Enter file in which to save the key"); |
|
|
/* Create ~/.ssh directory if it doesn't already exist. */ |
/* Create ~/.ssh directory if it doesn't already exist. */ |
snprintf(dotsshdir, sizeof dotsshdir, "%s/%s", pw->pw_dir, _PATH_SSH_USER_DIR); |
snprintf(dotsshdir, sizeof dotsshdir, "%s/%s", |
if (strstr(identity_file, dotsshdir) != NULL && |
pw->pw_dir, _PATH_SSH_USER_DIR); |
stat(dotsshdir, &st) < 0) { |
if (strstr(identity_file, dotsshdir) != NULL) { |
if (mkdir(dotsshdir, 0700) < 0) |
if (stat(dotsshdir, &st) < 0) { |
error("Could not create directory '%s'.", dotsshdir); |
if (errno != ENOENT) { |
else if (!quiet) |
error("Could not stat %s: %s", dotsshdir, |
printf("Created directory '%s'.\n", dotsshdir); |
strerror(errno)); |
|
} else if (mkdir(dotsshdir, 0700) < 0) { |
|
error("Could not create directory '%s': %s", |
|
dotsshdir, strerror(errno)); |
|
} else if (!quiet) |
|
printf("Created directory '%s'.\n", dotsshdir); |
|
} |
} |
} |
/* If the file already exists, ask the user to confirm. */ |
/* If the file already exists, ask the user to confirm. */ |
if (stat(identity_file, &st) >= 0) { |
if (stat(identity_file, &st) >= 0) { |