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Remove support for DSA Keys

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Solving issue #110. The original work is at !231
Some changes were needed because the newly added features in master through time

Signed-off-by: Mohammad Shehar Yaar Tausif <sheharyaar48@gmail.com>
Signed-off-by: Norbert Pocs <npocs@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
This commit is contained in:
Mohammad Shehar Yaar Tausif
2022-03-11 22:00:20 +05:30
committed by Jakub Jelen
parent 486df37a84
commit a3a13eb3a8
60 changed files with 80 additions and 2912 deletions
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28
examples/ssh_server.c
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@ -58,16 +58,11 @@ The goal is to show the API in action.
static void set_default_keys(ssh_bind sshbind,
int rsa_already_set,
int dsa_already_set,
int ecdsa_already_set) {
if (!rsa_already_set) {
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_RSAKEY,
KEYS_FOLDER "ssh_host_rsa_key");
}
if (!dsa_already_set) {
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_DSAKEY,
KEYS_FOLDER "ssh_host_dsa_key");
}
if (!ecdsa_already_set) {
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_ECDSAKEY,
KEYS_FOLDER "ssh_host_ecdsa_key");
@ -109,14 +104,6 @@ static struct argp_option options[] = {
"Implies no default keys.",
.group = 0
},
{
.name = "dsakey",
.key = 'd',
.arg = "FILE",
.flags = 0,
.doc = "Set the dsa key.",
.group = 0
},
{
.name = "rsakey",
.key = 'r',
@ -182,7 +169,7 @@ static error_t parse_opt (int key, char *arg, struct argp_state *state) {
* know is a pointer to our arguments structure. */
ssh_bind sshbind = state->input;
static int no_default_keys = 0;
static int rsa_already_set = 0, dsa_already_set = 0, ecdsa_already_set = 0;
static int rsa_already_set = 0, ecdsa_already_set = 0;
switch (key) {
case 'n':
@ -191,10 +178,6 @@ static error_t parse_opt (int key, char *arg, struct argp_state *state) {
case 'p':
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_BINDPORT_STR, arg);
break;
case 'd':
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_DSAKEY, arg);
dsa_already_set = 1;
break;
case 'k':
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HOSTKEY, arg);
/* We can't track the types of keys being added with this
@ -239,7 +222,6 @@ static error_t parse_opt (int key, char *arg, struct argp_state *state) {
if (!no_default_keys) {
set_default_keys(sshbind,
rsa_already_set,
dsa_already_set,
ecdsa_already_set);
}
@ -256,18 +238,14 @@ static struct argp argp = {options, parse_opt, args_doc, doc, NULL, NULL, NULL};
static int parse_opt(int argc, char **argv, ssh_bind sshbind) {
int no_default_keys = 0;
int rsa_already_set = 0;
int dsa_already_set = 0;
int ecdsa_already_set = 0;
int key;
while((key = getopt(argc, argv, "a:d:e:k:np:P:r:u:v")) != -1) {
while((key = getopt(argc, argv, "a:e:k:np:P:r:u:v")) != -1) {
if (key == 'n') {
no_default_keys = 1;
} else if (key == 'p') {
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_BINDPORT_STR, optarg);
} else if (key == 'd') {
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_DSAKEY, optarg);
dsa_already_set = 1;
} else if (key == 'k') {
ssh_bind_options_set(sshbind, SSH_BIND_OPTIONS_HOSTKEY, optarg);
/* We can't track the types of keys being added with this
@ -299,7 +277,6 @@ static int parse_opt(int argc, char **argv, ssh_bind sshbind) {
"libssh %s -- a Secure Shell protocol implementation\n"
"\n"
" -a, --authorizedkeys=FILE Set the authorized keys file.\n"
" -d, --dsakey=FILE Set the dsa key.\n"
" -e, --ecdsakey=FILE Set the ecdsa key.\n"
" -k, --hostkey=FILE Set a host key. Can be used multiple times.\n"
" Implies no default keys.\n"
@ -329,7 +306,6 @@ static int parse_opt(int argc, char **argv, ssh_bind sshbind) {
if (!no_default_keys) {
set_default_keys(sshbind,
rsa_already_set,
dsa_already_set,
ecdsa_already_set);
}