void _parse_options(int argc, char* argv[], options_t* options_ptr) {
if (argc <= 0) return;
char* arg = argv[0];
if (!strcmp(arg, "-p") || !strcmp(arg, "--phone-file")) {
strcpy(options_ptr->phoneFile, argv[1]);
argc--;
argv++;
} else if (!strcmp(arg, "-w") || !strcmp(arg, "--words-file")) {
strcpy(options_ptr->wordsFile, argv[1]);
argc--;
argv++;
} else if (!strcmp(arg, "-r") || !strcmp(arg, "--reverse")) {
options_ptr->reverse = 1;
}
_parse_options(argc-1, argv+1, options_ptr);
}
static int _parse_directive(const char *file, int linenum, const char *name,
char *key, char *value, void *data)
{
struct section_t *section = data;
if(!name && !key && !value) {
pm_printf(ALPM_LOG_ERROR, _("config file %s could not be read: %s\n"),
file, strerror(errno));
return 1;
} else if(!key && !value) {
section->name = name;
pm_printf(ALPM_LOG_DEBUG, "config: new section '%s'\n", name);
if(strcmp(name, "options") == 0) {
section->repo = NULL;
} else {
section->repo = calloc(sizeof(config_repo_t), 1);
section->repo->name = strdup(name);
section->repo->siglevel = ALPM_SIG_USE_DEFAULT;
section->repo->usage = 0;
config->repos = alpm_list_add(config->repos, section->repo);
}
return 0;
}
if(strcmp(key, "Include") == 0) {
return process_include(value, data, file, linenum);
}
if(section->name == NULL) {
pm_printf(ALPM_LOG_ERROR, _("config file %s, line %d: All directives must belong to a section.\n"),
file, linenum);
return 1;
}
if(!section->repo) {
/* we are either in options ... */
return _parse_options(key, value, file, linenum);
} else {
/* ... or in a repo section */
return _parse_repo(key, value, file, linenum, section);
}
}
void gnrc_rpl_recv_DIO(gnrc_rpl_dio_t *dio, kernel_pid_t iface, ipv6_addr_t *src, uint16_t len)
{
gnrc_rpl_instance_t *inst = NULL;
gnrc_rpl_dodag_t *dodag = NULL;
if (!_gnrc_rpl_check_DIO_validity(dio, len)) {
return;
}
len -= (sizeof(gnrc_rpl_dio_t) + sizeof(icmpv6_hdr_t));
if (gnrc_rpl_instance_add(dio->instance_id, &inst)) {
/* new instance and DODAG */
if (byteorder_ntohs(dio->rank) == GNRC_RPL_INFINITE_RANK) {
DEBUG("RPL: ignore INFINITE_RANK DIO when we are not yet part of this DODAG\n");
gnrc_rpl_instance_remove(inst);
return;
}
inst->mop = (dio->g_mop_prf >> GNRC_RPL_MOP_SHIFT) & GNRC_RPL_SHIFTED_MOP_MASK;
inst->of = gnrc_rpl_get_of_for_ocp(GNRC_RPL_DEFAULT_OCP);
if (iface == KERNEL_PID_UNDEF) {
iface = gnrc_ipv6_netif_find_by_addr(NULL, &ipv6_addr_all_rpl_nodes);
assert(iface != KERNEL_PID_UNDEF);
}
gnrc_rpl_dodag_init(inst, &dio->dodag_id, iface, NULL);
dodag = &inst->dodag;
DEBUG("RPL: Joined DODAG (%s).\n",
ipv6_addr_to_str(addr_str, &dio->dodag_id, sizeof(addr_str)));
gnrc_rpl_parent_t *parent = NULL;
if (!gnrc_rpl_parent_add_by_addr(dodag, src, &parent) && (parent == NULL)) {
DEBUG("RPL: Could not allocate new parent.\n");
gnrc_rpl_instance_remove(inst);
return;
}
dodag->version = dio->version_number;
dodag->grounded = dio->g_mop_prf >> GNRC_RPL_GROUNDED_SHIFT;
dodag->prf = dio->g_mop_prf & GNRC_RPL_PRF_MASK;
parent->rank = byteorder_ntohs(dio->rank);
uint32_t included_opts = 0;
if(!_parse_options(GNRC_RPL_ICMPV6_CODE_DIO, inst, (gnrc_rpl_opt_t *)(dio + 1), len,
src, &included_opts)) {
DEBUG("RPL: Error encountered during DIO option parsing - remove DODAG\n");
gnrc_rpl_instance_remove(inst);
return;
}
if (!(included_opts & (((uint32_t) 1) << GNRC_RPL_OPT_DODAG_CONF))) {
#ifndef GNRC_RPL_DODAG_CONF_OPTIONAL_ON_JOIN
DEBUG("RPL: DIO without DODAG_CONF option - remove DODAG and request new DIO\n");
gnrc_rpl_instance_remove(inst);
gnrc_rpl_send_DIS(NULL, src);
return;
#else
DEBUG("RPL: DIO without DODAG_CONF option - use default trickle parameters\n");
gnrc_rpl_send_DIS(NULL, src);
#endif
}
/* if there was no netif_addr created manually or by a PIO, then leave this DODAG */
if (!dodag->netif_addr) {
ipv6_addr_t *configured_addr;
if (!(configured_addr = gnrc_ipv6_netif_match_prefix(dodag->iface, &dodag->dodag_id))) {
DEBUG("RPL: no IPv6 address configured to match the given dodag id: %s\n",
ipv6_addr_to_str(addr_str, &(dodag->dodag_id), sizeof(addr_str)));
gnrc_rpl_instance_remove(inst);
return;
}
if (!(dodag->netif_addr = gnrc_ipv6_netif_addr_get(configured_addr))) {
DEBUG("RPL: no netif address found for %s\n",
ipv6_addr_to_str(addr_str, configured_addr, sizeof(addr_str)));
gnrc_rpl_instance_remove(inst);
return;
}
}
gnrc_rpl_delay_dao(dodag);
trickle_start(gnrc_rpl_pid, &dodag->trickle, GNRC_RPL_MSG_TYPE_TRICKLE_INTERVAL,
GNRC_RPL_MSG_TYPE_TRICKLE_CALLBACK, (1 << dodag->dio_min),
dodag->dio_interval_doubl, dodag->dio_redun);
gnrc_rpl_parent_update(dodag, parent);
return;
}
else if (inst == NULL) {
/** The "real" parseconfig. Each "Include" directive will recall this method so
* recursion and stack depth are limited to 10 levels. The publicly visible
* parseconfig calls this with a NULL section argument so we can recall from
* within ourself on an include.
* @param file path to the config file
* @param section the current active section
* @param parse_options whether to parse and call methods for the options
* section; if 0, parse and call methods for the repos sections
* @param depth the current recursion depth
* @return 0 on success, 1 on failure
*/
static int _parseconfig(const char *file, struct section_t *section,
int parse_options, int depth)
{
FILE *fp = NULL;
char line[PATH_MAX];
int linenum = 0;
int ret = 0;
const int max_depth = 10;
if(depth >= max_depth) {
pm_printf(ALPM_LOG_ERROR,
_("config parsing exceeded max recursion depth of %d.\n"), max_depth);
ret = 1;
goto cleanup;
}
pm_printf(ALPM_LOG_DEBUG, "config: attempting to read file %s\n", file);
fp = fopen(file, "r");
if(fp == NULL) {
pm_printf(ALPM_LOG_ERROR, _("config file %s could not be read: %s\n"),
file, strerror(errno));
ret = 1;
goto cleanup;
}
while(fgets(line, PATH_MAX, fp)) {
char *key, *value, *ptr;
size_t line_len;
linenum++;
/* ignore whole line and end of line comments */
if((ptr = strchr(line, '#'))) {
*ptr = '\0';
}
line_len = strtrim(line);
if(line_len == 0) {
continue;
}
if(line[0] == '[' && line[line_len - 1] == ']') {
char *name;
/* only possibility here is a line == '[]' */
if(line_len <= 2) {
pm_printf(ALPM_LOG_ERROR, _("config file %s, line %d: bad section name.\n"),
file, linenum);
ret = 1;
goto cleanup;
}
/* new config section, skip the '[' */
name = strdup(line + 1);
name[line_len - 2] = '\0';
/* we're at a new section; perform any post-actions for the prior */
if(finish_section(section, parse_options)) {
ret = 1;
goto cleanup;
}
pm_printf(ALPM_LOG_DEBUG, "config: new section '%s'\n", name);
section->name = name;
section->is_options = (strcmp(name, "options") == 0);
continue;
}
/* directive */
/* strsep modifies the 'line' string: 'key \0 value' */
key = line;
value = line;
strsep(&value, "=");
strtrim(key);
strtrim(value);
if(key == NULL) {
pm_printf(ALPM_LOG_ERROR, _("config file %s, line %d: syntax error in config file- missing key.\n"),
file, linenum);
ret = 1;
goto cleanup;
}
/* For each directive, compare to the camelcase string. */
if(section->name == NULL) {
pm_printf(ALPM_LOG_ERROR, _("config file %s, line %d: All directives must belong to a section.\n"),
file, linenum);
ret = 1;
goto cleanup;
}
/* Include is allowed in both options and repo sections */
if(strcmp(key, "Include") == 0) {
glob_t globbuf;
int globret;
size_t gindex;
if(value == NULL) {
pm_printf(ALPM_LOG_ERROR, _("config file %s, line %d: directive '%s' needs a value\n"),
file, linenum, key);
ret = 1;
goto cleanup;
}
/* Ignore include failures... assume non-critical */
globret = glob(value, GLOB_NOCHECK, NULL, &globbuf);
switch(globret) {
case GLOB_NOSPACE:
pm_printf(ALPM_LOG_DEBUG,
"config file %s, line %d: include globbing out of space\n",
file, linenum);
break;
case GLOB_ABORTED:
pm_printf(ALPM_LOG_DEBUG,
"config file %s, line %d: include globbing read error for %s\n",
file, linenum, value);
break;
case GLOB_NOMATCH:
pm_printf(ALPM_LOG_DEBUG,
"config file %s, line %d: no include found for %s\n",
file, linenum, value);
break;
default:
for(gindex = 0; gindex < globbuf.gl_pathc; gindex++) {
pm_printf(ALPM_LOG_DEBUG, "config file %s, line %d: including %s\n",
file, linenum, globbuf.gl_pathv[gindex]);
_parseconfig(globbuf.gl_pathv[gindex], section, parse_options, depth + 1);
}
break;
}
globfree(&globbuf);
continue;
}
if(parse_options && section->is_options) {
/* we are either in options ... */
if((ret = _parse_options(key, value, file, linenum)) != 0) {
goto cleanup;
}
} else if(!parse_options && !section->is_options) {
/* ... or in a repo section */
if(strcmp(key, "Server") == 0) {
if(value == NULL) {
pm_printf(ALPM_LOG_ERROR, _("config file %s, line %d: directive '%s' needs a value\n"),
file, linenum, key);
ret = 1;
goto cleanup;
}
section->servers = alpm_list_add(section->servers, strdup(value));
} else if(strcmp(key, "SigLevel") == 0) {
alpm_list_t *values = NULL;
setrepeatingoption(value, "SigLevel", &values);
if(values) {
if(section->siglevel == ALPM_SIG_USE_DEFAULT) {
section->siglevel = config->siglevel;
}
if(process_siglevel(values, §ion->siglevel, file, linenum)) {
FREELIST(values);
ret = 1;
goto cleanup;
}
FREELIST(values);
}
} else {
pm_printf(ALPM_LOG_WARNING,
_("config file %s, line %d: directive '%s' in section '%s' not recognized.\n"),
file, linenum, key, section->name);
}
}
}
if(depth == 0) {
ret = finish_section(section, parse_options);
}
cleanup:
if(fp) {
fclose(fp);
}
pm_printf(ALPM_LOG_DEBUG, "config: finished parsing %s\n", file);
return ret;
}
options_t parse_options(int argc, char* argv[]) {
options_t options = DEFAULT_OPTIONS;
_parse_options(argc, argv, &options);
return options;
}