X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/b72bdf1132e50a6bb5d1d11d4ed239a34866e5e1..HEAD:/cmdline.c diff --git a/cmdline.c b/cmdline.c index 73c6f734..a4c91601 100644 --- a/cmdline.c +++ b/cmdline.c @@ -63,7 +63,7 @@ void cmdline_cleanup(void) int pri; if (cmdline_password) { - memset(cmdline_password, 0, strlen(cmdline_password)); + smemclr(cmdline_password, strlen(cmdline_password)); sfree(cmdline_password); cmdline_password = NULL; } @@ -105,15 +105,12 @@ int cmdline_get_passwd_input(prompts_t *p, unsigned char *in, int inlen) { if (tried_once) return 0; - 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)); + 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; - } /* @@ -162,7 +159,7 @@ static int cmdline_check_unavailable(int flag, char *p) 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; @@ -170,49 +167,58 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg) 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 | 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 | 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 | 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 | 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 = 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'; + 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); @@ -222,41 +228,23 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg) 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, "-loghost")) { RETURN(2); UNAVAILABLE_IN(TOOLTYPE_NONNETWORK); SAVEABLE(0); - strncpy(cfg->loghost, value, sizeof(cfg->loghost)); - cfg->loghost[sizeof(cfg->loghost) - 1] = '\0'; + conf_set_str(conf, CONF_loghost, value); } if ((!strcmp(p, "-L") || !strcmp(p, "-R") || !strcmp(p, "-D"))) { - char *fwd, *ptr, *q, *qq; - int dynamic, i=0; + char type, *q, *qq, *key, *val; RETURN(2); UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK); SAVEABLE(0); - dynamic = !strcmp(p, "-D"); - fwd = value; - ptr = cfg->portfwd; - /* 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 */ - ptr++; - if (1 + strlen(fwd) + 2 > sizeof(cfg->portfwd) - i) { - cmdline_error("out of space for port forwardings"); - return ret; - } - strncpy(ptr, fwd, sizeof(cfg->portfwd) - i - 2); - if (!dynamic) { + 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 @@ -264,19 +252,47 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg) * 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!) */ - q = qq = strchr(ptr, ':'); + + 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) *q = '\t'; /* replace second-last colon with \t */ + + 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"); } - cfg->portfwd[sizeof(cfg->portfwd) - 1] = '\0'; - cfg->portfwd[sizeof(cfg->portfwd) - 2] = '\0'; - ptr[strlen(ptr)+1] = '\000'; /* append 2nd '\000' */ + conf_set_str_str(conf, CONF_portfwd, key, val); + sfree(key); + sfree(val); } if ((!strcmp(p, "-nc"))) { char *host, *portp; @@ -285,20 +301,16 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg) 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 { + portp = strchr(value, ':'); + if (!portp) { cmdline_error("-nc expects argument of form 'host:port'"); return ret; } + + 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; @@ -316,8 +328,7 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg) 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 { @@ -331,16 +342,17 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg) } 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); @@ -348,7 +360,7 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg) 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) + if (conf_get_int(conf, CONF_protocol) != PROT_SSH) cmdline_error("the -pw option can only be used with the " "SSH protocol"); else { @@ -356,7 +368,7 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg) /* 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)); + smemclr(value, strlen(value)); } } @@ -365,105 +377,108 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg) RETURN(1); UNAVAILABLE_IN(TOOLTYPE_NONNETWORK); SAVEABLE(0); - cfg->tryagent = TRUE; + 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); - cfg->tryagent = FALSE; + conf_set_int(conf, CONF_tryagent, FALSE); } if (!strcmp(p, "-A")) { RETURN(1); 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 | TOOLTYPE_NONNETWORK); SAVEABLE(0); - cfg->agentfwd = 0; + conf_set_int(conf, CONF_agentfwd, 0); } if (!strcmp(p, "-X")) { RETURN(1); 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 | 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 | TOOLTYPE_NONNETWORK); SAVEABLE(1); /* lower priority than -m */ - cfg->nopty = 0; + conf_set_int(conf, CONF_nopty, 0); } if (!strcmp(p, "-T")) { RETURN(1); UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK); SAVEABLE(1); - cfg->nopty = 1; + conf_set_int(conf, CONF_nopty, 1); } if (!strcmp(p, "-N")) { RETURN(1); UNAVAILABLE_IN(TOOLTYPE_FILETRANSFER | TOOLTYPE_NONNETWORK); SAVEABLE(0); - cfg->ssh_no_shell = 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); - cfg->addressfamily = ADDRTYPE_IPV4; + conf_set_int(conf, CONF_addressfamily, ADDRTYPE_IPV4); } if (!strcmp(p, "-6") || !strcmp(p, "-ipv6")) { RETURN(1); SAVEABLE(1); - cfg->addressfamily = ADDRTYPE_IPV6; + 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 (cfg->protocol != PROT_SERIAL) + 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 */ @@ -482,55 +497,45 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg) if (length == 1) { switch (*nextitem) { case '1': - cfg->serstopbits = 2; - break; case '2': - cfg->serstopbits = 4; + conf_set_int(conf, CONF_serstopbits, 2 * (*nextitem-'0')); 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; + conf_set_int(conf, CONF_serdatabits, *nextitem-'0'); break; case 'n': - cfg->serparity = SER_PAR_NONE; + conf_set_int(conf, CONF_serparity, SER_PAR_NONE); break; case 'o': - cfg->serparity = SER_PAR_ODD; + conf_set_int(conf, CONF_serparity, SER_PAR_ODD); break; case 'e': - cfg->serparity = SER_PAR_EVEN; + conf_set_int(conf, CONF_serparity, SER_PAR_EVEN); break; case 'm': - cfg->serparity = SER_PAR_MARK; + conf_set_int(conf, CONF_serparity, SER_PAR_MARK); break; case 's': - cfg->serparity = SER_PAR_SPACE; + conf_set_int(conf, CONF_serparity, SER_PAR_SPACE); break; case 'N': - cfg->serflow = SER_FLOW_NONE; + conf_set_int(conf, CONF_serflow, SER_FLOW_NONE); break; case 'X': - cfg->serflow = SER_FLOW_XONXOFF; + conf_set_int(conf, CONF_serflow, SER_FLOW_XONXOFF); break; case 'R': - cfg->serflow = SER_FLOW_RTSCTS; + conf_set_int(conf, CONF_serflow, SER_FLOW_RTSCTS); break; case 'D': - cfg->serflow = SER_FLOW_DSRDTR; + conf_set_int(conf, CONF_serflow, SER_FLOW_DSRDTR); break; default: @@ -539,11 +544,11 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg) } } else if (length == 3 && !strncmp(nextitem,"1.5",3)) { /* Messy special case */ - cfg->serstopbits = 3; + conf_set_int(conf, CONF_serstopbits, 3); } else { int serspeed = atoi(nextitem); if (serspeed != 0) { - cfg->serspeed = serspeed; + conf_set_int(conf, CONF_serspeed, serspeed); } else { cmdline_error("Unrecognised suboption \"-sercfg %s\"", nextitem); @@ -555,11 +560,11 @@ int cmdline_process_param(char *p, char *value, int need_save, Config *cfg) 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); }