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-rw-r--r--agents/virt/client/options.c1000
1 files changed, 1000 insertions, 0 deletions
diff --git a/agents/virt/client/options.c b/agents/virt/client/options.c
new file mode 100644
index 0000000..ddd6bc4
--- /dev/null
+++ b/agents/virt/client/options.c
@@ -0,0 +1,1000 @@
+/*
+ Copyright Red Hat, Inc. 2006
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published by the
+ Free Software Foundation; either version 2, or (at your option) any
+ later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
+ MA 02139, USA.
+*/
+
+#include "config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <sys/un.h>
+#include <sys/socket.h>
+#include <sys/select.h>
+#include <sys/ioctl.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <sys/time.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <libgen.h>
+
+/* Local includes */
+#include "xvm.h"
+#include "simple_auth.h"
+#include "mcast.h"
+#include "tcp_listener.h"
+#include "options.h"
+
+#define SCHEMA_COMPAT '\xfe'
+
+
+/* Assignment functions */
+
+static inline void
+assign_debug(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ if (!value) {
+ /* GNU getopt sets optarg to NULL for options w/o a param
+ We rely on this here... */
+ args->debug++;
+ return;
+ }
+
+ args->debug = atoi(value);
+ if (args->debug < 0) {
+ args->debug = 1;
+ }
+}
+
+
+static inline void
+assign_family(fence_virt_args_t *args, struct arg_info *arg,
+ char *value)
+{
+ if (!value)
+ return;
+
+ if (!strcasecmp(value, "ipv4")) {
+ args->net.family = PF_INET;
+ } else if (!strcasecmp(value, "ipv6")) {
+ args->net.family = PF_INET6;
+ } else if (!strcasecmp(value, "auto")) {
+ args->net.family = 0;
+ } else {
+ printf("Unsupported family: '%s'\n", value);
+ args->flags |= F_ERR;
+ }
+}
+
+
+static inline void
+assign_address(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ if (!value)
+ return;
+
+ if (args->net.addr)
+ free(args->net.addr);
+ args->net.addr = strdup(value);
+}
+
+static inline void
+assign_ip_address(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ if (!value)
+ return;
+
+ if (args->net.ipaddr)
+ free(args->net.ipaddr);
+ args->net.ipaddr = strdup(value);
+}
+
+static inline void
+assign_channel_address(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ if (!value)
+ return;
+
+ if (args->serial.address)
+ free(args->serial.address);
+ args->serial.address = strdup(value);
+}
+
+
+static inline void
+assign_port(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ char *p;
+ int ret;
+
+ if (!value)
+ return;
+
+ ret = strtol(value, &p, 0);
+ if (ret <= 0 || ret >= 65536 || *p != '\0') {
+ printf("Invalid port: '%s'\n", value);
+ args->flags |= F_ERR;
+ } else
+ args->net.port = ret;
+}
+
+static inline void
+assign_cid(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ char *p;
+ unsigned long ret;
+
+ if (!value) {
+ args->net.cid = 2;
+ return;
+ }
+
+ ret = strtoul(value, &p, 0);
+ if (!p || *p != '\0' || ret < 2 || ret >= 0xffffffff) {
+ printf("Invalid CID: '%s'\n", value);
+ args->flags |= F_ERR;
+ } else
+ args->net.cid = ret;
+}
+
+static inline void
+assign_interface(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ int ret;
+
+ if (!value)
+ return;
+
+ ret = if_nametoindex(value);
+ if (ret <= 0) {
+ printf("Invalid interface: %s: %s\n", value, strerror(errno));
+ args->net.ifindex = 0;
+ }
+
+ args->net.ifindex = ret;
+}
+
+
+static inline void
+assign_retrans(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ char *p;
+ int ret;
+
+ if (!value)
+ return;
+
+ ret = strtol(value, &p, 0);
+ if (ret <= 0 || *p != '\0') {
+ printf("Invalid retransmit time: '%s'\n", value);
+ args->flags |= F_ERR;
+ } else
+ args->retr_time = ret;
+}
+
+static inline void
+assign_hash(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ if (!value)
+ return;
+
+ if (!strcasecmp(value, "none")) {
+ args->net.hash = HASH_NONE;
+ } else if (!strcasecmp(value, "sha1")) {
+ args->net.hash = HASH_SHA1;
+ } else if (!strcasecmp(value, "sha256")) {
+ args->net.hash = HASH_SHA256;
+ } else if (!strcasecmp(value, "sha512")) {
+ args->net.hash = HASH_SHA512;
+ } else {
+ printf("Unsupported hash: %s\n", value);
+ args->flags |= F_ERR;
+ }
+}
+
+
+static inline void
+assign_auth(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ if (!value)
+ return;
+
+ if (!strcasecmp(value, "none")) {
+ args->net.auth = AUTH_NONE;
+ } else if (!strcasecmp(value, "sha1")) {
+ args->net.auth = AUTH_SHA1;
+ } else if (!strcasecmp(value, "sha256")) {
+ args->net.auth = AUTH_SHA256;
+ } else if (!strcasecmp(value, "sha512")) {
+ args->net.auth = AUTH_SHA512;
+ } else {
+ printf("Unsupported auth type: %s\n", value);
+ args->flags |= F_ERR;
+ }
+}
+
+static inline void
+assign_key(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ struct stat st;
+
+ if (!value)
+ return;
+
+ if (args->net.key_file)
+ free(args->net.key_file);
+ args->net.key_file = strdup(value);
+
+ if (stat(value, &st) == -1) {
+ printf("Invalid key file: '%s' (%s)\n", value,
+ strerror(errno));
+ args->flags |= F_ERR;
+ }
+}
+
+
+static inline void
+assign_op(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ if (!value)
+ return;
+
+ if (!strcasecmp(value, "null")) {
+ args->op = FENCE_NULL;
+ } else if (!strcasecmp(value, "on")) {
+ args->op = FENCE_ON;
+ } else if (!strcasecmp(value, "off")) {
+ args->op = FENCE_OFF;
+ } else if (!strcasecmp(value, "reboot")) {
+ args->op = FENCE_REBOOT;
+ } else if (!strcasecmp(value, "status")) {
+ args->op = FENCE_STATUS;
+ } else if (!strcasecmp(value, "monitor")) {
+ args->op = FENCE_DEVSTATUS;
+ } else if (!strcasecmp(value, "list") || !strcasecmp(value, "list-status")) {
+ args->op = FENCE_HOSTLIST;
+ } else if (!strcasecmp(value, "metadata")) {
+ args->op = FENCE_METADATA;
+ } else if (!strcasecmp(value, "validate-all")) {
+ args->op = FENCE_VALIDATEALL;
+ } else {
+ printf("Unsupported operation: %s\n", value);
+ args->flags |= F_ERR;
+ }
+}
+
+
+static inline void
+assign_device(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ if (!value)
+ return;
+
+ args->serial.device = strdup(value);
+}
+
+
+static inline void
+assign_params(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ if (!value)
+ return;
+
+ args->serial.speed = strdup(value);
+}
+
+
+static inline void
+assign_domain(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ if (args->domain) {
+ printf("Domain/UUID may not be specified more than once\n");
+ args->flags |= F_ERR;
+ return;
+ }
+
+ if (!value)
+ return;
+
+ args->domain = strdup(value);
+
+ if (strlen(value) <= 0) {
+ printf("Invalid domain name\n");
+ args->flags |= F_ERR;
+ }
+
+ if (strlen(value) >= MAX_DOMAINNAME_LENGTH) {
+ errno = ENAMETOOLONG;
+ printf("Invalid domain name: '%s' (%s)\n",
+ value, strerror(errno));
+ args->flags |= F_ERR;
+ }
+}
+
+
+static inline void
+assign_uuid_lookup(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ if (!value) {
+ /* GNU getopt sets optarg to NULL for options w/o a param
+ We rely on this here... */
+ args->flags |= F_USE_UUID;
+ return;
+ }
+
+ args->flags |= ( !!atoi(value) ? F_USE_UUID : 0);
+}
+
+
+static inline void
+assign_timeout(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ char *p;
+ int ret;
+
+ if (!value)
+ return;
+
+ ret = strtol(value, &p, 0);
+ if (ret <= 0 || *p != '\0') {
+ printf("Invalid timeout: '%s'\n", value);
+ args->flags |= F_ERR;
+ } else
+ args->timeout = ret;
+}
+
+static inline void
+assign_delay(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ char *p;
+ int ret;
+
+ if (!value)
+ return;
+
+ ret = strtol(value, &p, 0);
+ if (ret < 0 || *p != '\0') {
+ printf("Invalid delay: '%s'\n", value);
+ args->flags |= F_ERR;
+ } else
+ args->delay = ret;
+}
+
+static inline void
+assign_help(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ args->flags |= F_HELP;
+}
+
+
+static inline void
+assign_version(fence_virt_args_t *args, struct arg_info *arg, char *value)
+{
+ args->flags |= F_VERSION;
+}
+
+
+static void
+print_desc_xml(const char *desc)
+{
+ const char *d;
+
+ for (d = desc; *d; d++) {
+ switch (*d) {
+ case '<':
+ printf("&lt;");
+ break;
+ case '>':
+ printf("&gt;");
+ break;
+ default:
+ printf("%c", *d);
+ }
+ }
+}
+
+
+/** ALL valid command line and stdin arguments for this fencing agent */
+static struct arg_info _arg_info[] = {
+ { '\xff', NULL, "agent",
+ NULL, 0, 0, "string", NULL,
+ "Not user serviceable",
+ NULL },
+
+ { '\xff', NULL, "self",
+ NULL, 0, 0, "string", NULL,
+ "Not user serviceable",
+ NULL },
+
+ { '\xff', NULL, "nodename",
+ NULL, 0, 0, "string", NULL,
+ "Not user serviceable",
+ NULL },
+
+ { 'd', "-d", "debug",
+ NULL, 0, 0, "boolean", NULL,
+ "Specify (stdin) or increment (command line) debug level",
+ assign_debug },
+
+ { 'i', "-i <family>", "ip_family",
+ NULL, 0, 0, "string", "auto",
+ "IP Family ([auto], ipv4, ipv6)",
+ assign_family },
+
+ { 'a', "-a <address>", "multicast_address",
+ NULL, 0, 0, "string", NULL,
+ "Multicast address (default=" IPV4_MCAST_DEFAULT " / " IPV6_MCAST_DEFAULT ")",
+ assign_address },
+
+ { 'T', "-T <address>", "ipaddr",
+ NULL, 0, 0, "string", "127.0.0.1",
+ "IP address to connect to in TCP mode (default=" IPV4_TCP_ADDR_DEFAULT " / " IPV6_TCP_ADDR_DEFAULT ")",
+ assign_ip_address },
+
+ { 'S', "-S <cid>", "vsock",
+ NULL, 0, 0, "integer", "2",
+ "vm socket CID to connect to in vsock mode",
+ assign_cid },
+
+ { 'A', "-A <address>", "channel_address",
+ NULL, 0, 0, "string", "10.0.2.179",
+ "VM Channel IP address (default=" DEFAULT_CHANNEL_IP ")",
+ assign_channel_address },
+
+ { 'p', "-p <port>", "ipport",
+ NULL, 0, 0, "string", "1229",
+ "TCP, Multicast, VMChannel, or VM socket port (default=1229)",
+ assign_port },
+
+ { 'I', "-I <interface>", "interface",
+ NULL, 0, 0, "string", NULL,
+ "Network interface name to listen on",
+ assign_interface },
+
+ { 'r', "-r <retrans>", "retrans",
+ NULL, 0, 0, "string", "20",
+ "Multicast retransmit time (in 1/10sec; default=20)",
+ assign_retrans },
+
+ { 'c', "-c <hash>", "hash",
+ NULL, 0, 0, "string", "sha256",
+ "Packet hash strength (none, sha1, [sha256], sha512)",
+ assign_hash },
+
+ { 'C', "-C <auth>", "auth",
+ NULL, 0, 0, "string", "sha256",
+ "Authentication (none, sha1, [sha256], sha512)",
+ assign_auth },
+
+ { 'k', "-k <file>", "key_file",
+ NULL, 0, 0, "string", DEFAULT_KEY_FILE,
+ "Shared key file (default=" DEFAULT_KEY_FILE ")",
+ assign_key },
+
+ { 'D', "-D <device>", "serial_device",
+ NULL, 0, 0, "string", DEFAULT_SERIAL_DEVICE,
+ "Serial device (default=" DEFAULT_SERIAL_DEVICE ")",
+ assign_device },
+
+ { 'P', "-P <param>", "serial_params",
+ NULL, 0, 0, "string", DEFAULT_SERIAL_SPEED,
+ "Serial Parameters (default=" DEFAULT_SERIAL_SPEED ")",
+ assign_params },
+
+ { '\xff', NULL, "option",
+ /* Deprecated */
+ NULL, 0, 0, "string", "reboot",
+ "Fencing option (null, off, on, [reboot], status, list, list-status, monitor, validate-all, metadata)",
+ assign_op },
+
+ { 'o', "-o <operation>", "action",
+ NULL, 0, 0, "string", "reboot",
+ "Fencing action (null, off, on, [reboot], status, list, list-status, monitor, validate-all, metadata)",
+ assign_op },
+
+ { 'n', "-n <domain>", "plug",
+ "port", 0, 0, "string", NULL,
+ "Virtual Machine (domain name) to fence",
+ assign_domain },
+
+ { 'H', "-H <domain>", "port",
+ NULL, 1, 0, "string", NULL,
+ "Virtual Machine (domain name) to fence",
+ assign_domain },
+
+ { SCHEMA_COMPAT, NULL, "domain",
+ NULL, 0, 0, "string", NULL,
+ "Virtual Machine (domain name) to fence (deprecated; use port)",
+ assign_domain },
+
+ { 'u', "-u", "use_uuid",
+ NULL, 0, 0, "string", "0",
+ "Treat [domain] as UUID instead of domain name. This is provided for compatibility with older fence_xvmd installations.",
+ assign_uuid_lookup },
+
+ { 't', "-t <timeout>", "timeout",
+ NULL, 0, 0, "string", "30",
+ "Fencing timeout (in seconds; default=30)",
+ assign_timeout },
+
+ { 'h', "-h", NULL,
+ NULL, 0, 0, "boolean", "0",
+ "Help",
+ assign_help },
+
+ { '?', "-?", NULL,
+ NULL, 0, 0, "boolean", "0",
+ "Help (alternate)",
+ assign_help },
+
+ { 'w', "-w <delay>", "delay",
+ NULL, 0, 0, "string", "0",
+ "Fencing delay (in seconds; default=0)",
+ assign_delay },
+
+ { 'V', "-V", NULL,
+ NULL, 0, 0, "boolean", "0",
+ "Display version and exit",
+ assign_version },
+
+ /* Terminator */
+ { 0, NULL, NULL, NULL, 0, 0, NULL, NULL, NULL, NULL }
+};
+
+
+static struct arg_info *
+find_arg_by_char(char arg)
+{
+ int x = 0;
+
+ for (x = 0; _arg_info[x].opt != 0; x++) {
+ if (_arg_info[x].opt == arg)
+ return &_arg_info[x];
+ }
+
+ return NULL;
+}
+
+
+static struct arg_info *
+find_arg_by_string(char *arg)
+{
+ int x = 0;
+
+ for (x = 0; _arg_info[x].opt != 0; x++) {
+ if (!_arg_info[x].stdin_opt)
+ continue;
+ if (!strcasecmp(_arg_info[x].stdin_opt, arg))
+ return &_arg_info[x];
+ }
+
+ return NULL;
+}
+
+
+/* ============================================================= */
+
+/**
+ Initialize an args structure.
+
+ @param args Pointer to args structure to initialize.
+ */
+void
+args_init(fence_virt_args_t *args)
+{
+ args->domain = NULL;
+ //args->uri = NULL;
+ args->op = FENCE_REBOOT;
+ args->net.key_file = strdup(DEFAULT_KEY_FILE);
+ args->net.hash = DEFAULT_HASH;
+ args->net.auth = DEFAULT_AUTH;
+ args->net.addr = NULL;
+ args->net.ipaddr = NULL;
+ args->net.cid = 0;
+ args->net.port = DEFAULT_MCAST_PORT;
+ args->net.ifindex = 0;
+ args->net.family = 0; /* auto */
+ args->serial.device = NULL;
+ args->serial.speed = strdup(DEFAULT_SERIAL_SPEED);
+ args->serial.address = strdup(DEFAULT_CHANNEL_IP);
+ args->timeout = 30;
+ args->retr_time = 20;
+ args->flags = 0;
+ args->debug = 0;
+ args->delay = 0;
+}
+
+
+#define _pr_int(piece) printf(" %s = %d\n", #piece, piece)
+#define _pr_str(piece) printf(" %s = %s\n", #piece, piece)
+
+
+/**
+ Prints out the contents of an args structure for debugging.
+
+ @param args Pointer to args structure to print out.
+ */
+void
+args_print(fence_virt_args_t *args)
+{
+ printf("-- args @ %p --\n", args);
+ _pr_str(args->domain);
+ _pr_int(args->op);
+ _pr_int(args->mode);
+ _pr_int(args->debug);
+ _pr_int(args->timeout);
+ _pr_int(args->delay);
+ _pr_int(args->retr_time);
+ _pr_int(args->flags);
+
+ _pr_str(args->net.addr);
+ _pr_str(args->net.ipaddr);
+ _pr_int(args->net.cid);
+ _pr_str(args->net.key_file);
+ _pr_int(args->net.port);
+ _pr_int(args->net.hash);
+ _pr_int(args->net.auth);
+ _pr_int(args->net.family);
+ _pr_int(args->net.ifindex);
+
+ _pr_str(args->serial.device);
+ _pr_str(args->serial.speed);
+ _pr_str(args->serial.address);
+ printf("-- end args --\n");
+}
+
+
+/**
+ Print out arguments and help information based on what is allowed in
+ the getopt string optstr.
+
+ @param progname Program name.
+ @param optstr Getopt(3) style options string
+ @param print_stdin 0 = print command line options + description,
+ 1 = print fence-style stdin args + description
+ */
+static char *
+find_rev(const char *start, char *curr, char c)
+{
+
+ while (curr > start) {
+ if (*curr == c)
+ return curr;
+ --curr;
+ }
+
+ return NULL;
+}
+
+
+static void
+output_help_text(int arg_width, int help_width, const char *arg, const char *desc)
+{
+ char out_buf[4096];
+ char *p, *start;
+ const char *arg_print = arg;
+ int len;
+
+ memset(out_buf, 0, sizeof(out_buf));
+ strncpy(out_buf, desc, sizeof(out_buf) - 1);
+ start = out_buf;
+
+ do {
+ p = NULL;
+ len = strlen(start);
+ if (len > help_width) {
+ p = start + help_width;
+ p = find_rev(start, p, ' ');
+ if (p) {
+ *p = 0;
+ p++;
+ }
+ }
+ printf(" %*.*s %*.*s\n",
+ -arg_width, arg_width,
+ arg_print,
+ -help_width, help_width,
+ start);
+ if (!p)
+ return;
+ if (arg == arg_print)
+ arg_print = " ";
+ start = p;
+ } while(1);
+}
+
+
+void
+args_usage(char *progname, const char *optstr, int print_stdin)
+{
+ int x;
+ struct arg_info *arg;
+
+ if (!print_stdin) {
+ if (progname) {
+ printf("usage: %s [args]\n\nNOTE: reboot-action does not power on nodes that are powered off.\n\n", progname);
+ } else {
+ printf("usage: fence_virt [args]\n\nNOTE: reboot-action does not power on nodes that are powered off.\n\n");
+ }
+ }
+
+ for (x = 0; x < strlen(optstr); x++) {
+ arg = find_arg_by_char(optstr[x]);
+ if (!arg || arg->deprecated)
+ continue;
+
+ if (print_stdin) {
+ if (arg && arg->stdin_opt)
+ output_help_text(20, 55, arg->stdin_opt, arg->desc);
+ } else {
+ output_help_text(20, 55, arg->opt_desc, arg->desc);
+ }
+ }
+
+ printf("\n");
+}
+
+
+void
+args_metadata(char *progname, const char *optstr)
+{
+ int x;
+ struct arg_info *arg;
+
+ printf("<?xml version=\"1.0\" ?>\n");
+ printf("<resource-agent name=\"%s\" shortdesc=\"Fence agent for virtual machines\">\n", basename(progname));
+ printf("<longdesc>%s is an I/O Fencing agent which can be used with "
+ "virtual machines.\n\nNOTE: reboot-action does not power on nodes that are powered off."
+ "</longdesc>\n", basename(progname));
+ printf("<vendor-url>https://libvirt.org</vendor-url>\n");
+ printf("<parameters>\n");
+
+ for (x = 0; x < strlen(optstr); x++) {
+ arg = find_arg_by_char(optstr[x]);
+ if (!arg)
+ continue;
+ if (!arg->stdin_opt)
+ continue;
+
+ if (arg->obsoletes)
+ printf("\t<parameter name=\"%s\" unique=\"0\" required=\"%d\" obsoletes=\"%s\">\n", arg->stdin_opt, (!strcmp(arg->content_type, "boolean") || arg->default_value) ? 0 : 1, arg->obsoletes);
+ else if (arg->deprecated)
+ printf("\t<parameter name=\"%s\" unique=\"0\" required=\"%d\" deprecated=\"%d\">\n", arg->stdin_opt, (!strcmp(arg->content_type, "boolean") || arg->default_value) ? 0 : 1, arg->deprecated);
+ else
+ printf("\t<parameter name=\"%s\" unique=\"0\" required=\"%d\">\n", arg->stdin_opt, (!strcmp(arg->content_type, "boolean") || arg->default_value || !strcmp(arg->stdin_opt, "multicast_address")) ? 0 : 1);
+
+ printf("\t\t<getopt mixed=\"-%c\" />\n",arg->opt);
+ if (arg->default_value) {
+ printf("\t\t<content type=\"%s\" default=\"%s\" />\n", arg->content_type, arg->default_value);
+ } else {
+ printf("\t\t<content type=\"%s\" />\n", arg->content_type);
+ }
+ printf("\t\t<shortdesc lang=\"en\">");
+ print_desc_xml(arg->desc);
+ printf("</shortdesc>\n");
+ printf("\t</parameter>\n");
+ }
+
+ for (x = 0; _arg_info[x].opt != 0; x++) {
+ if (_arg_info[x].opt != SCHEMA_COMPAT)
+ continue;
+
+ arg = &_arg_info[x];
+
+ printf("\t<parameter name=\"%s\" unique=\"0\" required=\"%d\" deprecated=\"1\">\n", arg->stdin_opt,
+ (!strcmp(arg->content_type, "boolean") || arg->default_value || !strcmp(arg->stdin_opt, "domain")) ? 0 : 1);
+ printf("\t\t<getopt mixed=\"\" />\n");
+ if (arg->default_value) {
+ printf("\t\t<content type=\"%s\" default=\"%s\" />\n", arg->content_type, arg->default_value);
+ } else {
+ printf("\t\t<content type=\"%s\" />\n", arg->content_type);
+ }
+ printf("\t\t<shortdesc lang=\"en\">");
+ print_desc_xml(arg->desc);
+ printf("</shortdesc>\n");
+ printf("\t</parameter>\n");
+ }
+
+ printf("</parameters>\n");
+ printf("<actions>\n");
+ printf("\t<action name=\"null\" />\n");
+ printf("\t<action name=\"on\" />\n");
+ printf("\t<action name=\"off\" />\n");
+ printf("\t<action name=\"reboot\" />\n");
+ printf("\t<action name=\"metadata\" />\n");
+ printf("\t<action name=\"status\" />\n");
+ printf("\t<action name=\"monitor\" />\n");
+ printf("\t<action name=\"list\" />\n");
+ printf("\t<action name=\"list-status\" />\n");
+ printf("\t<action name=\"validate-all\" />\n");
+ printf("</actions>\n");
+ printf("</resource-agent>\n");
+}
+
+
+/**
+ Remove leading and trailing whitespace from a line of text.
+
+ @param line Line to clean up
+ @param linelen Max size of line
+ @return 0 on success, -1 on failure
+ */
+static int
+cleanup(char *line, size_t linelen)
+{
+ char *p;
+ int x;
+
+ /* Remove leading whitespace. */
+ p = line;
+ for (x = 0; x < linelen; x++) {
+ switch (line[x]) {
+ case '\t':
+ case ' ':
+ break;
+ case '\n':
+ case '\r':
+ return -1;
+ default:
+ goto eol;
+ }
+ }
+eol:
+ /* Move the remainder down by as many whitespace chars as we
+ chewed up */
+ if (x)
+ memmove(p, &line[x], linelen-x);
+
+ /* Remove trailing whitespace. */
+ for (x=0; x < linelen; x++) {
+ switch(line[x]) {
+ case '\t':
+ case ' ':
+ case '\r':
+ case '\n':
+ line[x] = 0;
+ case 0:
+ /* End of line */
+ return 0;
+ }
+ }
+
+ return -1;
+}
+
+
+/**
+ Parse args from stdin and assign to the specified args structure.
+
+ @param optstr Command line option string in getopt(3) format
+ @param args Args structure to fill in.
+ */
+void
+args_get_stdin(const char *optstr, fence_virt_args_t *args)
+{
+ char in[256];
+ char *name, *val;
+ struct arg_info *arg;
+
+ while (fgets(in, sizeof(in), stdin)) {
+
+ if (in[0] == '#')
+ continue;
+
+ if (cleanup(in, sizeof(in)) == -1)
+ continue;
+
+ name = in;
+ if ((val = strchr(in, '='))) {
+ *val = 0;
+ ++val;
+ }
+
+ arg = find_arg_by_string(name);
+ if (!arg || (arg->opt != '\xff' &&
+ arg->opt != SCHEMA_COMPAT &&
+ !strchr(optstr, arg->opt))) {
+ fprintf(stderr,
+ "Parse error: Ignoring unknown option '%s'\n",
+ name);
+ continue;
+ }
+
+ if (arg->assign)
+ arg->assign(args, arg, val);
+ }
+}
+
+
+/**
+ Parse args from stdin and assign to the specified args structure.
+
+ @param optstr Command line option string in getopt(3) format
+ @param args Args structure to fill in.
+ */
+void
+args_get_getopt(int argc, char **argv, const char *optstr, fence_virt_args_t *args)
+{
+ int opt;
+ struct arg_info *arg;
+
+ while ((opt = getopt(argc, argv, optstr)) != EOF) {
+
+ arg = find_arg_by_char(opt);
+
+ if (!arg) {
+ args->flags |= F_ERR;
+ continue;
+ }
+
+ if (arg->assign)
+ arg->assign(args, arg, optarg);
+ }
+}
+
+
+void
+args_finalize(fence_virt_args_t *args)
+{
+ char *addr = NULL;
+
+ if (!args->net.addr) {
+ switch(args->net.family) {
+ case 0:
+ case PF_INET:
+ addr = (char *)IPV4_MCAST_DEFAULT;
+ break;
+ case PF_INET6:
+ addr = (char *)IPV6_MCAST_DEFAULT;
+ break;
+ default:
+ args->flags |= F_ERR;
+ break;
+ }
+ }
+
+ if (!args->net.addr)
+ args->net.addr = addr;
+
+ if (!args->net.addr) {
+ printf("No multicast address available\n");
+ args->flags |= F_ERR;
+ }
+
+ if (!args->net.addr)
+ return;
+ if (args->net.family)
+ return;
+
+ /* Set family */
+ if (strchr(args->net.addr, ':'))
+ args->net.family = PF_INET6;
+ if (strchr(args->net.addr, '.'))
+ args->net.family = PF_INET;
+ if (!args->net.family) {
+ printf("Could not determine address family\n");
+ args->flags |= F_ERR;
+ }
+}