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options: Reformat ssh_options_getopt()

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Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Andreas Schneider
2018-08-23 09:20:11 +02:00
parent f8435e261c
commit 3f17154367
1 changed files with 141 additions and 137 deletions
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278
src/options.c
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@@ -1070,164 +1070,168 @@ int ssh_options_get(ssh_session session, enum ssh_options_e type, char** value)
* *
* @see ssh_session_new() * @see ssh_session_new()
*/ */
int ssh_options_getopt(ssh_session session, int *argcptr, char **argv) { int ssh_options_getopt(ssh_session session, int *argcptr, char **argv)
char *user = NULL; {
char *cipher = NULL;
char *identity = NULL;
char *port = NULL;
char **save = NULL;
char **tmp = NULL;
size_t i = 0;
int argc = *argcptr;
int debuglevel = 0;
int usersa = 0;
int usedss = 0;
int compress = 0;
int cont = 1;
int current = 0;
#ifdef _MSC_VER #ifdef _MSC_VER
(void)session;
(void)argcptr;
(void)argv;
/* Not supported with a Microsoft compiler */ /* Not supported with a Microsoft compiler */
return -1; return -1;
#else #else
int saveoptind = optind; /* need to save 'em */ char *user = NULL;
int saveopterr = opterr; char *cipher = NULL;
char *identity = NULL;
char *port = NULL;
char **save = NULL;
char **tmp = NULL;
size_t i = 0;
int argc = *argcptr;
int debuglevel = 0;
int usersa = 0;
int usedss = 0;
int compress = 0;
int cont = 1;
int current = 0;
int saveoptind = optind; /* need to save 'em */
int saveopterr = opterr;
opterr = 0; /* shut up getopt */ opterr = 0; /* shut up getopt */
while(cont && ((i = getopt(argc, argv, "c:i:Cl:p:vb:rd12")) != -1)) { while(cont && ((i = getopt(argc, argv, "c:i:Cl:p:vb:rd12")) != -1)) {
switch(i) { switch(i) {
case 'l': case 'l':
user = optarg; user = optarg;
break; break;
case 'p': case 'p':
port = optarg; port = optarg;
break; break;
case 'v': case 'v':
debuglevel++; debuglevel++;
break; break;
case 'r': case 'r':
usersa++; usersa++;
break; break;
case 'd': case 'd':
usedss++; usedss++;
break; break;
case 'c': case 'c':
cipher = optarg; cipher = optarg;
break; break;
case 'i': case 'i':
identity = optarg; identity = optarg;
break; break;
case 'C': case 'C':
compress++; compress++;
break; break;
case '2': case '2':
break; break;
case '1': case '1':
break; break;
default: default:
{ {
char opt[3]="- "; char opt[3]="- ";
opt[1] = optopt; opt[1] = optopt;
tmp = realloc(save, (current + 1) * sizeof(char*)); tmp = realloc(save, (current + 1) * sizeof(char*));
if (tmp == NULL) { if (tmp == NULL) {
SAFE_FREE(save);
ssh_set_error_oom(session);
return -1;
}
save = tmp;
save[current] = strdup(opt);
if (save[current] == NULL) {
SAFE_FREE(save);
ssh_set_error_oom(session);
return -1;
}
current++;
if (optarg) {
save[current++] = argv[optind + 1];
}
}
} /* switch */
} /* while */
opterr = saveopterr;
tmp = realloc(save, (current + (argc - optind)) * sizeof(char*));
if (tmp == NULL) {
SAFE_FREE(save);
ssh_set_error_oom(session);
return -1;
}
save = tmp;
while (optind < argc) {
tmp = realloc(save, (current + 1) * sizeof(char*));
if (tmp == NULL) {
SAFE_FREE(save); SAFE_FREE(save);
ssh_set_error_oom(session); ssh_set_error_oom(session);
return -1; return -1;
}
save = tmp;
save[current] = strdup(opt);
if (save[current] == NULL) {
SAFE_FREE(save);
ssh_set_error_oom(session);
return -1;
}
current++;
if (optarg) {
save[current++] = argv[optind + 1];
}
} }
} /* switch */ save = tmp;
} /* while */ save[current] = argv[optind];
opterr = saveopterr; current++;
tmp = realloc(save, (current + (argc - optind)) * sizeof(char*)); optind++;
if (tmp == NULL) { }
if (usersa && usedss) {
ssh_set_error(session, SSH_FATAL, "Either RSA or DSS must be chosen");
cont = 0;
}
ssh_set_log_level(debuglevel);
optind = saveoptind;
if(!cont) {
SAFE_FREE(save);
return -1;
}
/* first recopy the save vector into the original's */
for (i = 0; i < current; i++) {
/* don't erase argv[0] */
argv[ i + 1] = save[i];
}
argv[current + 1] = NULL;
*argcptr = current + 1;
SAFE_FREE(save); SAFE_FREE(save);
ssh_set_error_oom(session);
return -1;
}
save = tmp;
while (optind < argc) {
tmp = realloc(save, (current + 1) * sizeof(char*));
if (tmp == NULL) {
SAFE_FREE(save);
ssh_set_error_oom(session);
return -1;
}
save = tmp;
save[current] = argv[optind];
current++;
optind++;
}
if (usersa && usedss) { /* set a new option struct */
ssh_set_error(session, SSH_FATAL, "Either RSA or DSS must be chosen"); if (compress) {
cont = 0; if (ssh_options_set(session, SSH_OPTIONS_COMPRESSION, "yes") < 0) {
} cont = 0;
}
ssh_set_log_level(debuglevel);
optind = saveoptind;
if(!cont) {
SAFE_FREE(save);
return -1;
}
/* first recopy the save vector into the original's */
for (i = 0; i < current; i++) {
/* don't erase argv[0] */
argv[ i + 1] = save[i];
}
argv[current + 1] = NULL;
*argcptr = current + 1;
SAFE_FREE(save);
/* set a new option struct */
if (compress) {
if (ssh_options_set(session, SSH_OPTIONS_COMPRESSION, "yes") < 0) {
cont = 0;
} }
}
if (cont && cipher) { if (cont && cipher) {
if (ssh_options_set(session, SSH_OPTIONS_CIPHERS_C_S, cipher) < 0) { if (ssh_options_set(session, SSH_OPTIONS_CIPHERS_C_S, cipher) < 0) {
cont = 0; cont = 0;
}
if (cont && ssh_options_set(session, SSH_OPTIONS_CIPHERS_S_C, cipher) < 0) {
cont = 0;
}
} }
if (cont && ssh_options_set(session, SSH_OPTIONS_CIPHERS_S_C, cipher) < 0) {
cont = 0; if (cont && user) {
if (ssh_options_set(session, SSH_OPTIONS_USER, user) < 0) {
cont = 0;
}
} }
}
if (cont && user) { if (cont && identity) {
if (ssh_options_set(session, SSH_OPTIONS_USER, user) < 0) { if (ssh_options_set(session, SSH_OPTIONS_IDENTITY, identity) < 0) {
cont = 0; cont = 0;
}
} }
}
if (cont && identity) { if (port != NULL) {
if (ssh_options_set(session, SSH_OPTIONS_IDENTITY, identity) < 0) { ssh_options_set(session, SSH_OPTIONS_PORT_STR, port);
cont = 0;
} }
}
if (port != NULL) { if (!cont) {
ssh_options_set(session, SSH_OPTIONS_PORT_STR, port); return SSH_ERROR;
} }
if (!cont) { return SSH_OK;
return SSH_ERROR;
}
return SSH_OK;
#endif #endif
} }