+/*
+ * cmdline.c - command-line parsing shared between many of the
+ * PuTTY applications
+ */
+
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
{
if (saves[pri].nsaved >= saves[pri].savesize) {
saves[pri].savesize = saves[pri].nsaved + 32;
- saves[pri].params =
- srealloc(saves[pri].params,
- saves[pri].savesize*sizeof(*saves[pri].params));
+ saves[pri].params = sresize(saves[pri].params, saves[pri].savesize,
+ struct cmdline_saved_param);
}
saves[pri].params[saves[pri].nsaved].p = p;
saves[pri].params[saves[pri].nsaved].value = value;
saves[pri].nsaved++;
}
+static char *cmdline_password = NULL;
+
+void cmdline_cleanup(void)
+{
+ int pri;
+
+ if (cmdline_password) {
+ smemclr(cmdline_password, strlen(cmdline_password));
+ sfree(cmdline_password);
+ cmdline_password = NULL;
+ }
+
+ for (pri = 0; pri < NPRIORITIES; pri++) {
+ sfree(saves[pri].params);
+ saves[pri].params = NULL;
+ saves[pri].savesize = 0;
+ saves[pri].nsaved = 0;
+ }
+}
+
#define SAVEABLE(pri) do { \
if (need_save) { cmdline_save_param(p, value, pri); return ret; } \
} while (0)
-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;
- }
+
+ prompt_set_result(p->prompts[0], cmdline_password);
+ smemclr(cmdline_password, strlen(cmdline_password));
+ sfree(cmdline_password);
+ cmdline_password = NULL;
+ tried_once = 1;
+ return 1;
}
/*
* Process a standard command-line parameter. `p' is the parameter
* in question; `value' is the subsequent element of argv, which
* may or may not be required as an operand to the parameter.
+ * If `need_save' is 1, arguments which need to be saved as
+ * described at this top of this file are, for later execution;
+ * if 0, they are processed normally. (-1 is a special value used
+ * by pterm to count arguments for a preliminary pass through the
+ * argument list; it causes immediate return with an appropriate
+ * value with no action taken.)
* Return value is 2 if both arguments were used; 1 if only p was
* used; 0 if the parameter wasn't one we recognised; -2 if it
* should have been 2 but value was NULL.
#define RETURN(x) do { \
if ((x) == 2 && !value) return -2; \
ret = x; \
+ if (need_save < 0) return x; \
} while (0)
-int cmdline_process_param(char *p, char *value, int need_save, Config *cfg)
+int cmdline_process_param(char *p, char *value, int need_save, Conf *conf)
{
int ret = 0;
RETURN(2);
/* This parameter must be processed immediately rather than being
* saved. */
- do_defaults(value, cfg);
+ do_defaults(value, conf);
+ loaded_session = TRUE;
+ cmdline_session_name = dupstr(value);
return 2;
}
if (!strcmp(p, "-ssh")) {
RETURN(1);
- UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- default_protocol = cfg->protocol = PROT_SSH;
- default_port = cfg->port = 22;
+ default_protocol = PROT_SSH;
+ default_port = 22;
+ conf_set_int(conf, CONF_protocol, default_protocol);
+ conf_set_int(conf, CONF_port, default_port);
return 1;
}
if (!strcmp(p, "-telnet")) {
RETURN(1);
- UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- default_protocol = cfg->protocol = PROT_TELNET;
- default_port = cfg->port = 23;
+ default_protocol = PROT_TELNET;
+ default_port = 23;
+ conf_set_int(conf, CONF_protocol, default_protocol);
+ conf_set_int(conf, CONF_port, default_port);
return 1;
}
if (!strcmp(p, "-rlogin")) {
RETURN(1);
- UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- default_protocol = cfg->protocol = PROT_RLOGIN;
- default_port = cfg->port = 513;
+ default_protocol = PROT_RLOGIN;
+ default_port = 513;
+ conf_set_int(conf, CONF_protocol, default_protocol);
+ conf_set_int(conf, CONF_port, default_port);
return 1;
}
if (!strcmp(p, "-raw")) {
RETURN(1);
- UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- default_protocol = cfg->protocol = PROT_RAW;
+ default_protocol = PROT_RAW;
+ conf_set_int(conf, CONF_protocol, default_protocol);
+ }
+ 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 = PROT_SERIAL;
+ conf_set_int(conf, CONF_protocol, default_protocol);
+ /* The host parameter will already be loaded into CONF_host,
+ * so copy it across */
+ conf_set_str(conf, CONF_serline, conf_get_str(conf, CONF_host));
}
if (!strcmp(p, "-v")) {
RETURN(1);
}
if (!strcmp(p, "-l")) {
RETURN(2);
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- strncpy(cfg->username, value, sizeof(cfg->username));
- cfg->username[sizeof(cfg->username) - 1] = '\0';
+ conf_set_str(conf, CONF_username, value);
}
- if ((!strcmp(p, "-L") || !strcmp(p, "-R"))) {
- char *fwd, *ptr, *q, *qq;
- int i=0;
+ if (!strcmp(p, "-loghost")) {
RETURN(2);
- UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER);
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- fwd = value;
- ptr = cfg->portfwd;
- /* if multiple forwards, find end of list */
- if (ptr[0]=='R' || ptr[0]=='L') {
- 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 */
+ conf_set_str(conf, CONF_loghost, value);
+ }
+ if ((!strcmp(p, "-L") || !strcmp(p, "-R") || !strcmp(p, "-D"))) {
+ char type, *q, *qq, *key, *val;
+ RETURN(2);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
+ SAVEABLE(0);
+ if (strcmp(p, "-D")) {
+ /*
+ * For -L or -R forwarding types:
+ *
+ * We expect _at least_ two colons in this string. The
+ * possible formats are `sourceport:desthost:destport',
+ * or `sourceip:sourceport:desthost:destport' if you're
+ * specifying a particular loopback address. We need to
+ * replace the one between source and dest with a \t;
+ * this means we must find the second-to-last colon in
+ * the string.
+ *
+ * (This looks like a foolish way of doing it given the
+ * existence of strrchr, but it's more efficient than
+ * two strrchrs - not to mention that the second strrchr
+ * would require us to modify the input string!)
+ */
+
+ type = p[1]; /* 'L' or 'R' */
+
+ q = qq = strchr(value, ':');
+ while (qq) {
+ char *qqq = strchr(qq+1, ':');
+ if (qqq)
+ q = qq;
+ qq = qqq;
+ }
+
+ if (!q) {
+ cmdline_error("-%c expects at least two colons in its"
+ " argument", type);
+ return ret;
+ }
+
+ key = dupprintf("%c%.*s", type, q - value, value);
+ val = dupstr(q+1);
+ } else {
+ /*
+ * Dynamic port forwardings are entered under the same key
+ * as if they were local (because they occupy the same
+ * port space - a local and a dynamic forwarding on the
+ * same local port are mutually exclusive), with the
+ * special value "D" (which can be distinguished from
+ * anything in the ordinary -L case by containing no
+ * colon).
+ */
+ key = dupprintf("L%s", value);
+ val = dupstr("D");
}
- ptr[0] = p[1]; /* insert a 'L' or 'R' at the start */
- if (strlen(fwd) > sizeof(cfg->portfwd) - i - 2) {
- cmdline_error("out of space for port forwardings");
+ conf_set_str_str(conf, CONF_portfwd, key, val);
+ sfree(key);
+ sfree(val);
+ }
+ if ((!strcmp(p, "-nc"))) {
+ char *host, *portp;
+
+ RETURN(2);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
+ SAVEABLE(0);
+
+ portp = strchr(value, ':');
+ if (!portp) {
+ cmdline_error("-nc expects argument of form 'host:port'");
return ret;
}
- strncpy(ptr+1, fwd, sizeof(cfg->portfwd) - i);
- /*
- * We expect _at least_ two colons in this string. The
- * possible formats are `sourceport:desthost:destport', or
- * `sourceip:sourceport:desthost:destport' if you're
- * specifying a particular loopback address. We need to
- * replace the one between source and dest with a \t; this
- * means we must find the second-to-last colon in the
- * string.
- */
- q = qq = strchr(ptr, ':');
- while (qq) {
- char *qqq = strchr(qq+1, ':');
- if (qqq)
- q = qq;
- qq = qqq;
- }
- if (q) *q = '\t'; /* replace second-last colon with \t */
- cfg->portfwd[sizeof(cfg->portfwd) - 1] = '\0';
- cfg->portfwd[sizeof(cfg->portfwd) - 2] = '\0';
- ptr[strlen(ptr)+1] = '\000'; /* append two '\000' */
+
+ host = dupprintf("%.*s", portp - value, value);
+ conf_set_str(conf, CONF_ssh_nc_host, host);
+ conf_set_int(conf, CONF_ssh_nc_port, atoi(portp + 1));
+ sfree(host);
}
if (!strcmp(p, "-m")) {
char *filename, *command;
int c, d;
RETURN(2);
- UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
SAVEABLE(0);
filename = value;
command = NULL;
fp = fopen(filename, "r");
if (!fp) {
- cmdline_error("unable to open command "
- "file \"%s\"", filename);
+ cmdline_error("unable to open command file \"%s\"", filename);
return ret;
}
do {
d = 0;
if (cmdlen >= cmdsize) {
cmdsize = cmdlen + 512;
- command = srealloc(command, cmdsize);
+ command = sresize(command, cmdsize, char);
}
command[cmdlen++] = d;
} while (c != EOF);
- cfg->remote_cmd_ptr = command;
- cfg->remote_cmd_ptr2 = NULL;
- cfg->nopty = TRUE; /* command => no terminal */
+ fclose(fp);
+ conf_set_str(conf, CONF_remote_cmd, command);
+ conf_set_str(conf, CONF_remote_cmd2, "");
+ conf_set_int(conf, CONF_nopty, TRUE); /* command => no terminal */
+ sfree(command);
}
if (!strcmp(p, "-P")) {
RETURN(2);
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
SAVEABLE(1); /* lower priority than -ssh,-telnet */
- cfg->port = atoi(value);
+ conf_set_int(conf, CONF_port, atoi(value));
}
if (!strcmp(p, "-pw")) {
RETURN(2);
- cmdline_password = value;
- ssh_get_line = cmdline_get_line;
- ssh_getline_pw_only = TRUE;
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
+ 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 (conf_get_int(conf, CONF_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. */
+ smemclr(value, strlen(value));
+ }
+ }
+
+ if (!strcmp(p, "-agent") || !strcmp(p, "-pagent") ||
+ !strcmp(p, "-pageant")) {
+ RETURN(1);
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
+ SAVEABLE(0);
+ conf_set_int(conf, CONF_tryagent, TRUE);
+ }
+ if (!strcmp(p, "-noagent") || !strcmp(p, "-nopagent") ||
+ !strcmp(p, "-nopageant")) {
+ RETURN(1);
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
+ SAVEABLE(0);
+ conf_set_int(conf, CONF_tryagent, FALSE);
}
if (!strcmp(p, "-A")) {
RETURN(1);
- UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- cfg->agentfwd = 1;
+ conf_set_int(conf, CONF_agentfwd, 1);
}
if (!strcmp(p, "-a")) {
RETURN(1);
- UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- cfg->agentfwd = 0;
+ conf_set_int(conf, CONF_agentfwd, 0);
}
if (!strcmp(p, "-X")) {
RETURN(1);
- UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- cfg->x11_forward = 1;
+ conf_set_int(conf, CONF_x11_forward, 1);
}
if (!strcmp(p, "-x")) {
RETURN(1);
- UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- cfg->x11_forward = 0;
+ conf_set_int(conf, CONF_x11_forward, 0);
}
if (!strcmp(p, "-t")) {
RETURN(1);
- UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER);
- SAVEABLE(0);
- cfg->nopty = 0;
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
+ SAVEABLE(1); /* lower priority than -m */
+ conf_set_int(conf, CONF_nopty, 0);
}
if (!strcmp(p, "-T")) {
RETURN(1);
- UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
+ SAVEABLE(1);
+ conf_set_int(conf, CONF_nopty, 1);
+ }
+
+ if (!strcmp(p, "-N")) {
+ RETURN(1);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- cfg->nopty = 1;
+ conf_set_int(conf, CONF_ssh_no_shell, 1);
}
if (!strcmp(p, "-C")) {
RETURN(1);
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- cfg->compression = 1;
+ conf_set_int(conf, CONF_compression, 1);
}
if (!strcmp(p, "-1")) {
RETURN(1);
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- cfg->sshprot = 0; /* ssh protocol 1 only */
+ conf_set_int(conf, CONF_sshprot, 0); /* ssh protocol 1 only */
}
if (!strcmp(p, "-2")) {
RETURN(1);
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- cfg->sshprot = 3; /* ssh protocol 2 only */
+ conf_set_int(conf, CONF_sshprot, 3); /* ssh protocol 2 only */
}
if (!strcmp(p, "-i")) {
+ Filename *fn;
RETURN(2);
+ UNAVAILABLE_IN(TOOLTYPE_NONNETWORK);
SAVEABLE(0);
- cfg->keyfile = filename_from_str(value);
+ fn = filename_from_str(value);
+ conf_set_filename(conf, CONF_keyfile, fn);
+ filename_free(fn);
}
+ if (!strcmp(p, "-4") || !strcmp(p, "-ipv4")) {
+ RETURN(1);
+ SAVEABLE(1);
+ conf_set_int(conf, CONF_addressfamily, ADDRTYPE_IPV4);
+ }
+ if (!strcmp(p, "-6") || !strcmp(p, "-ipv6")) {
+ RETURN(1);
+ SAVEABLE(1);
+ conf_set_int(conf, CONF_addressfamily, ADDRTYPE_IPV6);
+ }
+ if (!strcmp(p, "-sercfg")) {
+ char* nextitem;
+ RETURN(2);
+ UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK);
+ SAVEABLE(1);
+ if (conf_get_int(conf, CONF_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':
+ case '2':
+ conf_set_int(conf, CONF_serstopbits, 2 * (*nextitem-'0'));
+ break;
+
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ conf_set_int(conf, CONF_serdatabits, *nextitem-'0');
+ break;
+
+ case 'n':
+ conf_set_int(conf, CONF_serparity, SER_PAR_NONE);
+ break;
+ case 'o':
+ conf_set_int(conf, CONF_serparity, SER_PAR_ODD);
+ break;
+ case 'e':
+ conf_set_int(conf, CONF_serparity, SER_PAR_EVEN);
+ break;
+ case 'm':
+ conf_set_int(conf, CONF_serparity, SER_PAR_MARK);
+ break;
+ case 's':
+ conf_set_int(conf, CONF_serparity, SER_PAR_SPACE);
+ break;
+
+ case 'N':
+ conf_set_int(conf, CONF_serflow, SER_FLOW_NONE);
+ break;
+ case 'X':
+ conf_set_int(conf, CONF_serflow, SER_FLOW_XONXOFF);
+ break;
+ case 'R':
+ conf_set_int(conf, CONF_serflow, SER_FLOW_RTSCTS);
+ break;
+ case 'D':
+ conf_set_int(conf, CONF_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 */
+ conf_set_int(conf, CONF_serstopbits, 3);
+ } else {
+ int serspeed = atoi(nextitem);
+ if (serspeed != 0) {
+ conf_set_int(conf, CONF_serspeed, serspeed);
+ } else {
+ cmdline_error("Unrecognised suboption \"-sercfg %s\"",
+ nextitem);
+ }
+ }
+ nextitem += length + skip;
+ }
+ }
return ret; /* unrecognised */
}
-void cmdline_run_saved(Config *cfg)
+void cmdline_run_saved(Conf *conf)
{
int pri, i;
for (pri = 0; pri < NPRIORITIES; pri++)
for (i = 0; i < saves[pri].nsaved; i++)
cmdline_process_param(saves[pri].params[i].p,
- saves[pri].params[i].value, 0, cfg);
+ saves[pri].params[i].value, 0, conf);
}
projects / u / mdw / putty / blobdiff