+/*
+ * cmdline.c - command-line parsing shared between many of the
+ * PuTTY applications
+ */
+
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
if (need_save) { cmdline_save_param(p, value, pri); return ret; } \
} while (0)
-char *cmdline_password = NULL;
+static char *cmdline_password = NULL;
+
+/*
+ * Similar interface to get_userpass_input(), except that here a -1
+ * return means that we aren't capable of processing the prompt and
+ * someone else should do it.
+ */
+int cmdline_get_passwd_input(prompts_t *p, unsigned char *in, int inlen) {
-static int cmdline_get_line(const char *prompt, char *str,
- int maxlen, int is_pw)
-{
static int tried_once = 0;
- assert(is_pw && cmdline_password);
+ /*
+ * We only handle prompts which don't echo (which we assume to be
+ * passwords), and (currently) we only cope with a password prompt
+ * that comes in a prompt-set on its own.
+ */
+ if (!cmdline_password || in || p->n_prompts != 1 || p->prompts[0]->echo) {
+ return -1;
+ }
- if (tried_once) {
+ /*
+ * If we've tried once, return utter failure (no more passwords left
+ * to try).
+ */
+ if (tried_once)
return 0;
- } else {
- strncpy(str, cmdline_password, maxlen);
- str[maxlen - 1] = '\0';
- tried_once = 1;
- return 1;
- }
+
+ strncpy(p->prompts[0]->result, cmdline_password,
+ p->prompts[0]->result_len);
+ p->prompts[0]->result[p->prompts[0]->result_len-1] = '\0';
+ memset(cmdline_password, 0, strlen(cmdline_password));
+ tried_once = 1;
+ return 1;
+
}
/*
SAVEABLE(0);
default_protocol = cfg->protocol = PROT_RAW;
}
+ if (!strcmp(p, "-serial")) {
+ RETURN(1);
+ /* Serial is not NONNETWORK in an odd sense of the word */
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
+ SAVEABLE(0);
+ default_protocol = cfg->protocol = PROT_SERIAL;
+ /* The host parameter will already be loaded into cfg->host, so copy it across */
+ strncpy(cfg->serline, cfg->host, sizeof(cfg->serline) - 1);
+ cfg->serline[sizeof(cfg->serline) - 1] = '\0';
+ }
if (!strcmp(p, "-v")) {
RETURN(1);
flags |= FLAG_VERBOSE;
strncpy(cfg->username, value, sizeof(cfg->username));
cfg->username[sizeof(cfg->username) - 1] = '\0';
}
+ if (!strcmp(p, "-loghost")) {
+ RETURN(2);
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
+ SAVEABLE(0);
+ strncpy(cfg->loghost, value, sizeof(cfg->loghost));
+ cfg->loghost[sizeof(cfg->loghost) - 1] = '\0';
+ }
if ((!strcmp(p, "-L") || !strcmp(p, "-R") || !strcmp(p, "-D"))) {
char *fwd, *ptr, *q, *qq;
int dynamic, i=0;
dynamic = !strcmp(p, "-D");
fwd = value;
ptr = cfg->portfwd;
- /* if multiple forwards, find end of list */
- if (ptr[0]=='R' || ptr[0]=='L' || ptr[0] == 'D') {
- for (i = 0; i < sizeof(cfg->portfwd) - 2; i++)
- if (ptr[i]=='\000' && ptr[i+1]=='\000')
- break;
- ptr = ptr + i + 1; /* point to next forward slot */
+ /* if existing forwards, find end of list */
+ while (*ptr) {
+ while (*ptr)
+ ptr++;
+ ptr++;
}
+ i = ptr - cfg->portfwd;
ptr[0] = p[1]; /* insert a 'L', 'R' or 'D' at the start */
- if (strlen(fwd) > sizeof(cfg->portfwd) - i - 2) {
+ ptr++;
+ if (1 + strlen(fwd) + 2 > sizeof(cfg->portfwd) - i) {
cmdline_error("out of space for port forwardings");
return ret;
}
- strncpy(ptr+1, fwd, sizeof(cfg->portfwd) - i);
+ strncpy(ptr, fwd, sizeof(cfg->portfwd) - i - 2);
if (!dynamic) {
/*
* We expect _at least_ two colons in this string. The
}
cfg->portfwd[sizeof(cfg->portfwd) - 1] = '\0';
cfg->portfwd[sizeof(cfg->portfwd) - 2] = '\0';
- ptr[strlen(ptr)+1] = '\000'; /* append two '\000' */
+ ptr[strlen(ptr)+1] = '\000'; /* append 2nd '\000' */
+ }
+ if ((!strcmp(p, "-nc"))) {
+ char *host, *portp;
+
+ RETURN(2);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
+ SAVEABLE(0);
+
+ host = portp = value;
+ while (*portp && *portp != ':')
+ portp++;
+ if (*portp) {
+ unsigned len = portp - host;
+ if (len >= sizeof(cfg->ssh_nc_host))
+ len = sizeof(cfg->ssh_nc_host) - 1;
+ memcpy(cfg->ssh_nc_host, value, len);
+ cfg->ssh_nc_host[len] = '\0';
+ cfg->ssh_nc_port = atoi(portp+1);
+ } else {
+ cmdline_error("-nc expects argument of form 'host:port'");
+ return ret;
+ }
}
if (!strcmp(p, "-m")) {
char *filename, *command;
if (!strcmp(p, "-pw")) {
RETURN(2);
UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
- cmdline_password = value;
- ssh_get_line = cmdline_get_line;
- ssh_getline_pw_only = TRUE;
+ SAVEABLE(1);
+ /* We delay evaluating this until after the protocol is decided,
+ * so that we can warn if it's of no use with the selected protocol */
+ if (cfg->protocol != PROT_SSH)
+ cmdline_error("the -pw option can only be used with the "
+ "SSH protocol");
+ else {
+ cmdline_password = dupstr(value);
+ /* Assuming that `value' is directly from argv, make a good faith
+ * attempt to trample it, to stop it showing up in `ps' output
+ * on Unix-like systems. Not guaranteed, of course. */
+ memset(value, 0, strlen(value));
+ }
+ }
+
+ if (!strcmp(p, "-agent") || !strcmp(p, "-pagent") ||
+ !strcmp(p, "-pageant")) {
+ RETURN(1);
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
+ SAVEABLE(0);
+ cfg->tryagent = TRUE;
+ }
+ if (!strcmp(p, "-noagent") || !strcmp(p, "-nopagent") ||
+ !strcmp(p, "-nopageant")) {
+ RETURN(1);
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
+ SAVEABLE(0);
+ cfg->tryagent = FALSE;
}
if (!strcmp(p, "-A")) {
if (!strcmp(p, "-t")) {
RETURN(1);
UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
- SAVEABLE(0);
+ SAVEABLE(1); /* lower priority than -m */
cfg->nopty = 0;
}
if (!strcmp(p, "-T")) {
RETURN(1);
UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
- SAVEABLE(0);
+ SAVEABLE(1);
cfg->nopty = 1;
}
cfg->keyfile = filename_from_str(value);
}
+ if (!strcmp(p, "-4") || !strcmp(p, "-ipv4")) {
+ RETURN(1);
+ SAVEABLE(1);
+ cfg->addressfamily = ADDRTYPE_IPV4;
+ }
+ if (!strcmp(p, "-6") || !strcmp(p, "-ipv6")) {
+ RETURN(1);
+ SAVEABLE(1);
+ cfg->addressfamily = ADDRTYPE_IPV6;
+ }
+ if (!strcmp(p, "-sercfg")) {
+ char* nextitem;
+ RETURN(2);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
+ SAVEABLE(1);
+ if (cfg->protocol != PROT_SERIAL)
+ cmdline_error("the -sercfg option can only be used with the "
+ "serial protocol");
+ /* Value[0] contains one or more , separated values, like 19200,8,n,1,X */
+ nextitem = value;
+ while (nextitem[0] != '\0') {
+ int length, skip;
+ char *end = strchr(nextitem, ',');
+ if (!end) {
+ length = strlen(nextitem);
+ skip = 0;
+ } else {
+ length = end - nextitem;
+ nextitem[length] = '\0';
+ skip = 1;
+ }
+ if (length == 1) {
+ switch (*nextitem) {
+ case '1':
+ cfg->serstopbits = 2;
+ break;
+ case '2':
+ cfg->serstopbits = 4;
+ break;
+
+ case '5':
+ cfg->serdatabits = 5;
+ break;
+ case '6':
+ cfg->serdatabits = 6;
+ break;
+ case '7':
+ cfg->serdatabits = 7;
+ break;
+ case '8':
+ cfg->serdatabits = 8;
+ break;
+ case '9':
+ cfg->serdatabits = 9;
+ break;
+
+ case 'n':
+ cfg->serparity = SER_PAR_NONE;
+ break;
+ case 'o':
+ cfg->serparity = SER_PAR_ODD;
+ break;
+ case 'e':
+ cfg->serparity = SER_PAR_EVEN;
+ break;
+ case 'm':
+ cfg->serparity = SER_PAR_MARK;
+ break;
+ case 's':
+ cfg->serparity = SER_PAR_SPACE;
+ break;
+
+ case 'N':
+ cfg->serflow = SER_FLOW_NONE;
+ break;
+ case 'X':
+ cfg->serflow = SER_FLOW_XONXOFF;
+ break;
+ case 'R':
+ cfg->serflow = SER_FLOW_RTSCTS;
+ break;
+ case 'D':
+ cfg->serflow = SER_FLOW_DSRDTR;
+ break;
+
+ default:
+ cmdline_error("Unrecognised suboption \"-sercfg %c\"",
+ *nextitem);
+ }
+ } else if (length == 3 && !strncmp(nextitem,"1.5",3)) {
+ /* Messy special case */
+ cfg->serstopbits = 3;
+ } else {
+ int serspeed = atoi(nextitem);
+ if (serspeed != 0) {
+ cfg->serspeed = serspeed;
+ } else {
+ cmdline_error("Unrecognised suboption \"-sercfg %s\"",
+ nextitem);
+ }
+ }
+ nextitem += length + skip;
+ }
+ }
return ret; /* unrecognised */
}
projects / u / mdw / putty / blobdiff