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/* upsct - simple "client" to test read/write variable access
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Copyright (C) 1999 Russell Kroll <rkroll@exploits.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include <netinet/in.h>
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#include <sys/socket.h>
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void do_enum(char *varname)
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char out[SMALLBUF], temp[SMALLBUF];
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snprintf(out, sizeof(out), "ENUM %s\n", varname);
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if (upssendraw(fd, out) < 0) {
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printf("Enumerate %s failed: %s\n",
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varname, upsstrerror(upserror));
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if (upsreadraw(fd, temp, sizeof(temp)) < 0) {
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printf("Enumerate %s failed: %s\n",
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varname, upsstrerror(upserror));
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if (strncmp(temp, "ENUM", 4) != 0) {
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printf("Bogus reply from server for %s\n", varname);
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if (upsreadraw(fd, temp, sizeof(temp)) < 0) {
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printf("Can't get next ENUM value: %s\n",
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upsstrerror(upserror));
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while (strcmp(temp, "END") != 0) {
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printf("Option: %s\n", strstr(temp, "\""));
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if (upsreadraw(fd, temp, sizeof(temp)) < 0) {
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printf("Can't get next ENUM value: %s\n",
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upsstrerror(upserror));
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void usage(char *prog)
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printf("Network UPS Tools upsct2 %s\n\n", UPS_VERSION);
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printf("usage: %s [-h]\n", prog);
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printf(" %s [-s <variable>] [-u <username>] [-p <password>] <ups>\n\n", prog);
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printf("Demo program to set variables within UPS hardware.\n");
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printf(" -h display this help text\n");
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printf(" -s <variable> specify variable to be changed\n");
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printf(" use -s VAR=VALUE to avoid prompting for value\n");
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printf(" -u <username> set username for command authentication\n");
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printf(" -p <password> set password for command authentication\n");
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printf(" <ups> UPS identifier - myups@localhost, etc.\n");
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printf("Call without -s to show all possible read/write variables.\n");
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void do_setvar(char *varname, int fd, char *upsname, char *user, char *pass)
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char newval[SMALLBUF], temp[SMALLBUF], *ptr;
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user = xmalloc(SMALLBUF);
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fgets(user, SMALLBUF, stdin);
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/* deal with that pesky newline */
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user[strlen(user) - 1] = '\0';
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pass = getpass("Password: " );
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/* Check if varname is in VAR=VALUE form */
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if ((ptr = strchr(varname, '=')) != NULL) {
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strlcpy(newval, ptr, sizeof(newval));
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printf("Enter new value for %s: ", varname);
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fgets(newval, sizeof(newval), stdin);
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newval[strlen(newval) - 1] = '\0';
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snprintf(temp, sizeof(temp), "USERNAME %s\n", user);
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if (upssendraw(fd, temp) < 0) {
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printf("Can't set username: %s\n", upsstrerror(upserror));
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if (upsreadraw(fd, temp, sizeof(temp)) < 0) {
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if (upserror == UPSF_UNKNOWNCMD) {
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printf("Set username failed due to an unknown command.\n");
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printf("You probably need to upgrade upsd.\n");
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printf("Set username failed: %s\n", upsstrerror(upserror));
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snprintf(temp, sizeof(temp), "PASSWORD %s\n", pass);
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if (upssendraw(fd, temp) < 0) {
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printf("Can't set password: %s\n", upsstrerror(upserror));
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if (upsreadraw(fd, temp, sizeof(temp)) < 0) {
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printf("Set password failed: %s\n", upsstrerror(upserror));
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snprintf(temp, sizeof(temp), "SET %s %s\n", varname, newval);
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if (upssendraw(fd, temp) < 0) {
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printf("Can't set variable: %s\n", upsstrerror(upserror));
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if (upsreadraw(fd, temp, sizeof(temp)) < 0) {
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printf("Set variable failed: %s\n", upsstrerror(upserror));
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int main(int argc, char **argv)
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char *upsname, *ptr, *host, vars[SMALLBUF], temp[SMALLBUF], out[SMALLBUF], *v,
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type[16], *setvar, *prog, *password = NULL, *username = NULL;
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while ((i = getopt(argc, argv, "+s:p:u:")) != EOF) {
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setvar = xstrdup(optarg);
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/* handle upsname@hostname syntax and split up parts */
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ptr = strstr(argv[0], "@");
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fd = upsconnect(host);
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printf("Unable to connect to %s - %s\n", host,
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upsstrerror(upserror));
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/* setting a variable? */
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do_setvar(setvar, fd, upsname, username, password);
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/* if not, get the list of supported read/write variables */
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printf("host: %s\n", host);
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snprintf(buf, sizeof(buf), "LISTRW %s\n", upsname);
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ret = upssendraw(fd, buf);
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ret = upssendraw(fd, "LISTRW\n");
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printf("Can't list read/write variables: %s\n",
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upsstrerror(upserror));
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if (upsreadraw(fd, vars, sizeof(vars)) < 0) {
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printf("Unable to get variable list - %s\n",
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upsstrerror(upserror));
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ptr = strchr(v, ' ');
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printf("Broken string from server: %s\n", vars);
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/* possibly skip '@ups' */
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ptr = strchr(ptr, ' ');
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printf("No R/W variables available on this UPS.\n");
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ptr = strchr(v, ' ');
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/* get description */
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snprintf(out, sizeof(out), "VARDESC %s\n", v);
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if (upssendraw(fd, out) < 0) {
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printf("Can't get description of %s: %s\n",
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v, upsstrerror(upserror));
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if (upsreadraw(fd, temp, sizeof(temp)) < 0) {
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printf("Can't get description of %s: %s\n",
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v, upsstrerror(upserror));
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printf("[%s] %s ", v, strstr(temp, "\""));
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snprintf(out, sizeof(out), "VARTYPE %s\n", v);
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if (upssendraw(fd, out) < 0) {
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printf("Can't get type of %s: %s\n",
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v, upsstrerror(upserror));
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if (upsreadraw(fd, temp, sizeof(temp)) < 0) {
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printf("Can't get type of %s: %s\n",
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v, upsstrerror(upserror));
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sscanf(temp, "%*s %s %i", type, &typelen);
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printf("(%s:%i)\n", type, typelen);
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if (!strcmp(type, "ENUM"))
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if (!strcmp(type, "STRING")) {
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if (getupsvarfd(fd, upsname, v, temp,
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printf("Can't get value of %s: %s\n",
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temp, upsstrerror(upserror));
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printf("Value: %s\n", temp);
added
removed
clients/upsct2.c
