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-rw-r--r--networking/ifupdown.c526
1 files changed, 260 insertions, 266 deletions
diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index 88bdc521f..9841b5903 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -15,8 +15,6 @@
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*/
-/* TODO: standardise execute() return codes to return 0 for success and 1 for failure */
-
#include "busybox.h"
#include <sys/utsname.h>
#include <fnmatch.h>
@@ -49,7 +47,7 @@ struct address_family_t
{
char *name;
int n_methods;
- struct method_t *method;
+ const struct method_t *method;
};
struct mapping_defn_t
@@ -75,8 +73,8 @@ struct variable_t
struct interface_defn_t
{
- struct address_family_t *address_family;
- struct method_t *method;
+ const struct address_family_t *address_family;
+ const struct method_t *method;
char *iface;
int max_options;
@@ -106,7 +104,7 @@ enum {
#define FORCE (option_mask & OPT_force)
#define NO_MAPPINGS (option_mask & OPT_no_mappings)
-static char **__myenviron = NULL;
+static char **__myenviron;
#if ENABLE_FEATURE_IFUPDOWN_IPV4 || ENABLE_FEATURE_IFUPDOWN_IPV6
@@ -117,7 +115,7 @@ static unsigned int count_bits(unsigned int a)
unsigned int result;
result = (a & 0x55) + ((a >> 1) & 0x55);
result = (result & 0x33) + ((result >> 2) & 0x33);
- return((result & 0x0F) + ((result >> 4) & 0x0F));
+ return ((result & 0x0F) + ((result >> 4) & 0x0F));
}
static int count_netmask_bits(char *dotted_quad)
@@ -130,7 +128,7 @@ static int count_netmask_bits(char *dotted_quad)
result += count_bits(b);
result += count_bits(c);
result += count_bits(d);
- return ((int)result);
+ return (int)result;
}
#endif
@@ -156,9 +154,9 @@ static int strncmpz(char *l, char *r, size_t llen)
int i = strncmp(l, r, llen);
if (i == 0) {
- return(-r[llen]);
+ return -r[llen];
} else {
- return(i);
+ return i;
}
}
@@ -175,18 +173,18 @@ static char *get_var(char *id, size_t idlen, struct interface_defn_t *ifd)
if (result) {
*result=0;
}
- return( label_buf);
+ return label_buf;
} else if (strncmpz(id, "label", idlen) == 0) {
- return (ifd->iface);
+ return ifd->iface;
} else {
for (i = 0; i < ifd->n_options; i++) {
if (strncmpz(id, ifd->option[i].name, idlen) == 0) {
- return (ifd->option[i].value);
+ return ifd->option[i].value;
}
}
}
- return(NULL);
+ return NULL;
}
static char *parse(char *command, struct interface_defn_t *ifd)
@@ -200,101 +198,101 @@ static char *parse(char *command, struct interface_defn_t *ifd)
while (*command) {
switch (*command) {
-
- default:
+ default:
+ addstr(&result, &len, &pos, command, 1);
+ command++;
+ break;
+ case '\\':
+ if (command[1]) {
+ addstr(&result, &len, &pos, command + 1, 1);
+ command += 2;
+ } else {
addstr(&result, &len, &pos, command, 1);
command++;
- break;
- case '\\':
- if (command[1]) {
- addstr(&result, &len, &pos, command + 1, 1);
- command += 2;
- } else {
- addstr(&result, &len, &pos, command, 1);
- command++;
- }
- break;
- case '[':
- if (command[1] == '[' && opt_depth < MAX_OPT_DEPTH) {
- old_pos[opt_depth] = pos;
- okay[opt_depth] = 1;
- opt_depth++;
- command += 2;
- } else {
- addstr(&result, &len, &pos, "[", 1);
- command++;
+ }
+ break;
+ case '[':
+ if (command[1] == '[' && opt_depth < MAX_OPT_DEPTH) {
+ old_pos[opt_depth] = pos;
+ okay[opt_depth] = 1;
+ opt_depth++;
+ command += 2;
+ } else {
+ addstr(&result, &len, &pos, "[", 1);
+ command++;
+ }
+ break;
+ case ']':
+ if (command[1] == ']' && opt_depth > 1) {
+ opt_depth--;
+ if (!okay[opt_depth]) {
+ pos = old_pos[opt_depth];
+ result[pos] = '\0';
}
- break;
- case ']':
- if (command[1] == ']' && opt_depth > 1) {
- opt_depth--;
- if (!okay[opt_depth]) {
- pos = old_pos[opt_depth];
- result[pos] = '\0';
- }
- command += 2;
- } else {
- addstr(&result, &len, &pos, "]", 1);
- command++;
+ command += 2;
+ } else {
+ addstr(&result, &len, &pos, "]", 1);
+ command++;
+ }
+ break;
+ case '%':
+ {
+ char *nextpercent;
+ char *varvalue;
+
+ command++;
+ nextpercent = strchr(command, '%');
+ if (!nextpercent) {
+ errno = EUNBALPER;
+ free(result);
+ return NULL;
}
- break;
- case '%':
- {
- char *nextpercent;
- char *varvalue;
-
- command++;
- nextpercent = strchr(command, '%');
- if (!nextpercent) {
- errno = EUNBALPER;
- free(result);
- return (NULL);
- }
- varvalue = get_var(command, nextpercent - command, ifd);
+ varvalue = get_var(command, nextpercent - command, ifd);
- if (varvalue) {
- addstr(&result, &len, &pos, varvalue, strlen(varvalue));
- } else {
+ if (varvalue) {
+ addstr(&result, &len, &pos, varvalue, strlen(varvalue));
+ } else {
#ifdef CONFIG_FEATURE_IFUPDOWN_IP
- /* Sigh... Add a special case for 'ip' to convert from
- * dotted quad to bit count style netmasks. */
- if (strncmp(command, "bnmask", 6)==0) {
- int res;
- varvalue = get_var("netmask", 7, ifd);
- if (varvalue && (res=count_netmask_bits(varvalue)) > 0) {
- char argument[255];
- sprintf(argument, "%d", res);
- addstr(&result, &len, &pos, argument, strlen(argument));
- command = nextpercent + 1;
- break;
- }
+ /* Sigh... Add a special case for 'ip' to convert from
+ * dotted quad to bit count style netmasks. */
+ if (strncmp(command, "bnmask", 6)==0) {
+ int res;
+ varvalue = get_var("netmask", 7, ifd);
+ if (varvalue && (res=count_netmask_bits(varvalue)) > 0) {
+ char argument[255];
+ sprintf(argument, "%d", res);
+ addstr(&result, &len, &pos, argument, strlen(argument));
+ command = nextpercent + 1;
+ break;
}
-#endif
- okay[opt_depth - 1] = 0;
}
-
- command = nextpercent + 1;
+#endif
+ okay[opt_depth - 1] = 0;
}
- break;
+
+ command = nextpercent + 1;
+ }
+ break;
}
}
if (opt_depth > 1) {
errno = EUNBALBRACK;
free(result);
- return(NULL);
+ return NULL;
}
if (!okay[0]) {
errno = EUNDEFVAR;
free(result);
- return(NULL);
+ return NULL;
}
- return(result);
+ return result;
}
+/* execute() returns 1 for success and 0 for failure */
static int execute(char *command, struct interface_defn_t *ifd, execfn *exec)
{
char *out;
@@ -302,15 +300,15 @@ static int execute(char *command, struct interface_defn_t *ifd, execfn *exec)
out = parse(command, ifd);
if (!out) {
- return(0);
+ return 0;
}
- ret = (*exec) (out);
+ ret = (*exec)(out);
free(out);
if (ret != 1) {
- return(0);
+ return 0;
}
- return(1);
+ return 1;
}
#endif
@@ -319,20 +317,20 @@ static int loopback_up6(struct interface_defn_t *ifd, execfn *exec)
{
#ifdef CONFIG_FEATURE_IFUPDOWN_IP
int result;
- result =execute("ip addr add ::1 dev %iface%", ifd, exec);
+ result = execute("ip addr add ::1 dev %iface%", ifd, exec);
result += execute("ip link set %iface% up", ifd, exec);
return ((result == 2) ? 2 : 0);
#else
- return( execute("ifconfig %iface% add ::1", ifd, exec));
+ return execute("ifconfig %iface% add ::1", ifd, exec);
#endif
}
static int loopback_down6(struct interface_defn_t *ifd, execfn *exec)
{
#ifdef CONFIG_FEATURE_IFUPDOWN_IP
- return(execute("ip link set %iface% down", ifd, exec));
+ return execute("ip link set %iface% down", ifd, exec);
#else
- return(execute("ifconfig %iface% del ::1", ifd, exec));
+ return execute("ifconfig %iface% del ::1", ifd, exec);
#endif
}
@@ -354,9 +352,9 @@ static int static_up6(struct interface_defn_t *ifd, execfn *exec)
static int static_down6(struct interface_defn_t *ifd, execfn *exec)
{
#ifdef CONFIG_FEATURE_IFUPDOWN_IP
- return(execute("ip link set %iface% down", ifd, exec));
+ return execute("ip link set %iface% down", ifd, exec);
#else
- return(execute("ifconfig %iface% down", ifd, exec));
+ return execute("ifconfig %iface% down", ifd, exec);
#endif
}
@@ -365,7 +363,7 @@ static int v4tunnel_up(struct interface_defn_t *ifd, execfn *exec)
{
int result;
result = execute("ip tunnel add %iface% mode sit remote "
- "%endpoint% [[local %local%]] [[ttl %ttl%]]", ifd, exec);
+ "%endpoint% [[local %local%]] [[ttl %ttl%]]", ifd, exec);
result += execute("ip link set %iface% up", ifd, exec);
result += execute("ip addr add %address%/%netmask% dev %iface%", ifd, exec);
result += execute("[[ ip route add ::/0 via %gateway% ]]", ifd, exec);
@@ -374,11 +372,11 @@ static int v4tunnel_up(struct interface_defn_t *ifd, execfn *exec)
static int v4tunnel_down(struct interface_defn_t * ifd, execfn * exec)
{
- return( execute("ip tunnel del %iface%", ifd, exec));
+ return execute("ip tunnel del %iface%", ifd, exec);
}
#endif
-static struct method_t methods6[] = {
+static const struct method_t methods6[] = {
#ifdef CONFIG_FEATURE_IFUPDOWN_IP
{ "v4tunnel", v4tunnel_up, v4tunnel_down, },
#endif
@@ -386,7 +384,7 @@ static struct method_t methods6[] = {
{ "loopback", loopback_up6, loopback_down6, },
};
-static struct address_family_t addr_inet6 = {
+static const struct address_family_t addr_inet6 = {
"inet6",
sizeof(methods6) / sizeof(struct method_t),
methods6
@@ -402,7 +400,7 @@ static int loopback_up(struct interface_defn_t *ifd, execfn *exec)
result += execute("ip link set %iface% up", ifd, exec);
return ((result == 2) ? 2 : 0);
#else
- return( execute("ifconfig %iface% 127.0.0.1 up", ifd, exec));
+ return execute("ifconfig %iface% 127.0.0.1 up", ifd, exec);
#endif
}
@@ -414,7 +412,7 @@ static int loopback_down(struct interface_defn_t *ifd, execfn *exec)
result += execute("ip link set %iface% down", ifd, exec);
return ((result == 2) ? 2 : 0);
#else
- return( execute("ifconfig %iface% 127.0.0.1 down", ifd, exec));
+ return execute("ifconfig %iface% 127.0.0.1 down", ifd, exec);
#endif
}
@@ -429,9 +427,9 @@ static int static_up(struct interface_defn_t *ifd, execfn *exec)
return ((result == 3) ? 3 : 0);
#else
result = execute("ifconfig %iface% %address% netmask %netmask% "
- "[[broadcast %broadcast%]] [[pointopoint %pointopoint%]] "
- "[[media %media%]] [[mtu %mtu%]] [[hw %hwaddress%]] up",
- ifd, exec);
+ "[[broadcast %broadcast%]] [[pointopoint %pointopoint%]] "
+ "[[media %media%]] [[mtu %mtu%]] [[hw %hwaddress%]] up",
+ ifd, exec);
result += execute("[[ route add default gw %gateway% %iface% ]]", ifd, exec);
return ((result == 2) ? 2 : 0);
#endif
@@ -498,35 +496,34 @@ static int dhcp_down(struct interface_defn_t *ifd, execfn *exec)
static int bootp_up(struct interface_defn_t *ifd, execfn *exec)
{
- return( execute("bootpc [[--bootfile %bootfile%]] --dev %iface% "
- "[[--server %server%]] [[--hwaddr %hwaddr%]] "
- "--returniffail --serverbcast", ifd, exec));
+ return execute("bootpc [[--bootfile %bootfile%]] --dev %iface% "
+ "[[--server %server%]] [[--hwaddr %hwaddr%]] "
+ "--returniffail --serverbcast", ifd, exec);
}
static int ppp_up(struct interface_defn_t *ifd, execfn *exec)
{
- return( execute("pon [[%provider%]]", ifd, exec));
+ return execute("pon [[%provider%]]", ifd, exec);
}
static int ppp_down(struct interface_defn_t *ifd, execfn *exec)
{
- return( execute("poff [[%provider%]]", ifd, exec));
+ return execute("poff [[%provider%]]", ifd, exec);
}
static int wvdial_up(struct interface_defn_t *ifd, execfn *exec)
{
- return( execute("/sbin/start-stop-daemon --start -x /usr/bin/wvdial "
- "-p /var/run/wvdial.%iface% -b -m -- [[ %provider% ]]", ifd, exec));
+ return execute("/sbin/start-stop-daemon --start -x /usr/bin/wvdial "
+ "-p /var/run/wvdial.%iface% -b -m -- [[ %provider% ]]", ifd, exec);
}
static int wvdial_down(struct interface_defn_t *ifd, execfn *exec)
{
- return( execute("/sbin/start-stop-daemon --stop -x /usr/bin/wvdial "
- "-p /var/run/wvdial.%iface% -s 2", ifd, exec));
+ return execute("/sbin/start-stop-daemon --stop -x /usr/bin/wvdial "
+ "-p /var/run/wvdial.%iface% -s 2", ifd, exec);
}
-static struct method_t methods[] =
-{
+static const struct method_t methods[] = {
{ "wvdial", wvdial_up, wvdial_down, },
{ "ppp", ppp_up, ppp_down, },
{ "static", static_up, static_down, },
@@ -535,8 +532,7 @@ static struct method_t methods[] =
{ "loopback", loopback_up, loopback_down, },
};
-static struct address_family_t addr_inet =
-{
+static const struct address_family_t addr_inet = {
"inet",
sizeof(methods) / sizeof(struct method_t),
methods
@@ -561,13 +557,13 @@ static char *next_word(char **buf)
/* Skip over comments */
if (*word == '#') {
- return(NULL);
+ return NULL;
}
/* Find the length of this word */
length = strcspn(word, " \t\n");
if (length == 0) {
- return(NULL);
+ return NULL;
}
*buf = word + length;
/*DBU:[dave@cray.com] if we are already at EOL dont't increment beyond it */
@@ -579,7 +575,7 @@ static char *next_word(char **buf)
return word;
}
-static struct address_family_t *get_address_family(struct address_family_t *af[], char *name)
+static const struct address_family_t *get_address_family(const struct address_family_t *const af[], char *name)
{
int i;
@@ -591,7 +587,7 @@ static struct address_family_t *get_address_family(struct address_family_t *af[]
return NULL;
}
-static struct method_t *get_method(struct address_family_t *af, char *name)
+static const struct method_t *get_method(const struct address_family_t *af, char *name)
{
int i;
@@ -600,18 +596,18 @@ static struct method_t *get_method(struct address_family_t *af, char *name)
return &af->method[i];
}
}
- return(NULL);
+ return NULL;
}
static const llist_t *find_list_string(const llist_t *list, const char *string)
{
while (list) {
if (strcmp(list->data, string) == 0) {
- return(list);
+ return list;
}
list = list->link;
}
- return(NULL);
+ return NULL;
}
static struct interfaces_file_t *read_interfaces(const char *filename)
@@ -668,70 +664,66 @@ static struct interfaces_file_t *read_interfaces(const char *filename)
#endif
currently_processing = MAPPING;
} else if (strcmp(firstword, "iface") == 0) {
- {
- char *iface_name;
- char *address_family_name;
- char *method_name;
- struct address_family_t *addr_fams[] = {
+ static const struct address_family_t *const addr_fams[] = {
#ifdef CONFIG_FEATURE_IFUPDOWN_IPV4
- &addr_inet,
+ &addr_inet,
#endif
#ifdef CONFIG_FEATURE_IFUPDOWN_IPV6
- &addr_inet6,
+ &addr_inet6,
#endif
- NULL
- };
+ NULL
+ };
+
+ char *iface_name;
+ char *address_family_name;
+ char *method_name;
+ llist_t *iface_list;
+
+ currif = xzalloc(sizeof(struct interface_defn_t));
+ iface_name = next_word(&buf_ptr);
+ address_family_name = next_word(&buf_ptr);
+ method_name = next_word(&buf_ptr);
+
+ if (buf_ptr == NULL) {
+ bb_error_msg("too few parameters for line \"%s\"", buf);
+ return NULL;
+ }
- currif = xzalloc(sizeof(struct interface_defn_t));
- iface_name = next_word(&buf_ptr);
- address_family_name = next_word(&buf_ptr);
- method_name = next_word(&buf_ptr);
+ /* ship any trailing whitespace */
+ while (isspace(*buf_ptr)) {
+ ++buf_ptr;
+ }
- if (buf_ptr == NULL) {
- bb_error_msg("too few parameters for line \"%s\"", buf);
- return NULL;
- }
+ if (buf_ptr[0] != '\0') {
+ bb_error_msg("too many parameters \"%s\"", buf);
+ return NULL;
+ }
- /* ship any trailing whitespace */
- while (isspace(*buf_ptr)) {
- ++buf_ptr;
- }
+ currif->iface = xstrdup(iface_name);
- if (buf_ptr[0] != '\0') {
- bb_error_msg("too many parameters \"%s\"", buf);
- return NULL;
- }
-
- currif->iface = xstrdup(iface_name);
+ currif->address_family = get_address_family(addr_fams, address_family_name);
+ if (!currif->address_family) {
+ bb_error_msg("unknown address type \"%s\"", address_family_name);
+ return NULL;
+ }
- currif->address_family = get_address_family(addr_fams, address_family_name);
- if (!currif->address_family) {
- bb_error_msg("unknown address type \"%s\"", address_family_name);
- return NULL;
- }
+ currif->method = get_method(currif->address_family, method_name);
+ if (!currif->method) {
+ bb_error_msg("unknown method \"%s\"", method_name);
+ return NULL;
+ }
- currif->method = get_method(currif->address_family, method_name);
- if (!currif->method) {
- bb_error_msg("unknown method \"%s\"", method_name);
+ for (iface_list = defn->ifaces; iface_list; iface_list = iface_list->link) {
+ struct interface_defn_t *tmp = (struct interface_defn_t *) iface_list->data;
+ if ((strcmp(tmp->iface, currif->iface) == 0) &&
+ (tmp->address_family == currif->address_family)) {
+ bb_error_msg("duplicate interface \"%s\"", tmp->iface);
return NULL;
}
-
-
- {
- llist_t *iface_list;
- for (iface_list = defn->ifaces; iface_list; iface_list = iface_list->link) {
- struct interface_defn_t *tmp = (struct interface_defn_t *) iface_list->data;
- if ((strcmp(tmp->iface, currif->iface) == 0) &&
- (tmp->address_family == currif->address_family)) {
- bb_error_msg("duplicate interface \"%s\"", tmp->iface);
- return NULL;
- }
- }
-
- llist_add_to_end(&(defn->ifaces), (char*)currif);
- }
- debug_noise("iface %s %s %s\n", currif->iface, address_family_name, method_name);
}
+ llist_add_to_end(&(defn->ifaces), (char*)currif);
+
+ debug_noise("iface %s %s %s\n", currif->iface, address_family_name, method_name);
currently_processing = IFACE;
} else if (strcmp(firstword, "auto") == 0) {
while ((firstword = next_word(&buf_ptr)) != NULL) {
@@ -748,74 +740,74 @@ static struct interfaces_file_t *read_interfaces(const char *filename)
currently_processing = NONE;
} else {
switch (currently_processing) {
- case IFACE:
- {
- int i;
+ case IFACE:
+ {
+ int i;
- if (strlen(buf_ptr) == 0) {
- bb_error_msg("option with empty value \"%s\"", buf);
- return NULL;
- }
+ if (strlen(buf_ptr) == 0) {
+ bb_error_msg("option with empty value \"%s\"", buf);
+ return NULL;
+ }
- if (strcmp(firstword, "up") != 0
- && strcmp(firstword, "down") != 0
- && strcmp(firstword, "pre-up") != 0
- && strcmp(firstword, "post-down") != 0) {
- for (i = 0; i < currif->n_options; i++) {
- if (strcmp(currif->option[i].name, firstword) == 0) {
- bb_error_msg("duplicate option \"%s\"", buf);
- return NULL;
- }
+ if (strcmp(firstword, "up") != 0
+ && strcmp(firstword, "down") != 0
+ && strcmp(firstword, "pre-up") != 0
+ && strcmp(firstword, "post-down") != 0) {
+ for (i = 0; i < currif->n_options; i++) {
+ if (strcmp(currif->option[i].name, firstword) == 0) {
+ bb_error_msg("duplicate option \"%s\"", buf);
+ return NULL;
}
}
}
- if (currif->n_options >= currif->max_options) {
- struct variable_t *opt;
+ }
+ if (currif->n_options >= currif->max_options) {
+ struct variable_t *opt;
- currif->max_options = currif->max_options + 10;
- opt = xrealloc(currif->option, sizeof(*opt) * currif->max_options);
- currif->option = opt;
- }
- currif->option[currif->n_options].name = xstrdup(firstword);
- currif->option[currif->n_options].value = xstrdup(buf_ptr);
- if (!currif->option[currif->n_options].name) {
- perror(filename);
- return NULL;
- }
- if (!currif->option[currif->n_options].value) {
- perror(filename);
- return NULL;
- }
- debug_noise("\t%s=%s\n", currif->option[currif->n_options].name,
- currif->option[currif->n_options].value);
- currif->n_options++;
- break;
- case MAPPING:
+ currif->max_options = currif->max_options + 10;
+ opt = xrealloc(currif->option, sizeof(*opt) * currif->max_options);
+ currif->option = opt;
+ }
+ currif->option[currif->n_options].name = xstrdup(firstword);
+ currif->option[currif->n_options].value = xstrdup(buf_ptr);
+ if (!currif->option[currif->n_options].name) {
+ perror(filename);
+ return NULL;
+ }
+ if (!currif->option[currif->n_options].value) {
+ perror(filename);
+ return NULL;
+ }
+ debug_noise("\t%s=%s\n", currif->option[currif->n_options].name,
+ currif->option[currif->n_options].value);
+ currif->n_options++;
+ break;
+ case MAPPING:
#ifdef CONFIG_FEATURE_IFUPDOWN_MAPPING
- if (strcmp(firstword, "script") == 0) {
- if (currmap->script != NULL) {
- bb_error_msg("duplicate script in mapping \"%s\"", buf);
- return NULL;
- } else {
- currmap->script = xstrdup(next_word(&buf_ptr));
- }
- } else if (strcmp(firstword, "map") == 0) {
- if (currmap->max_mappings == currmap->n_mappings) {
- currmap->max_mappings = currmap->max_mappings * 2 + 1;
- currmap->mapping = xrealloc(currmap->mapping, sizeof(char *) * currmap->max_mappings);
- }
- currmap->mapping[currmap->n_mappings] = xstrdup(next_word(&buf_ptr));
- currmap->n_mappings++;
- } else {
- bb_error_msg("misplaced option \"%s\"", buf);
+ if (strcmp(firstword, "script") == 0) {
+ if (currmap->script != NULL) {
+ bb_error_msg("duplicate script in mapping \"%s\"", buf);
return NULL;
+ } else {
+ currmap->script = xstrdup(next_word(&buf_ptr));
}
-#endif
- break;
- case NONE:
- default:
+ } else if (strcmp(firstword, "map") == 0) {
+ if (currmap->max_mappings == currmap->n_mappings) {
+ currmap->max_mappings = currmap->max_mappings * 2 + 1;
+ currmap->mapping = xrealloc(currmap->mapping, sizeof(char *) * currmap->max_mappings);
+ }
+ currmap->mapping[currmap->n_mappings] = xstrdup(next_word(&buf_ptr));
+ currmap->n_mappings++;
+ } else {
bb_error_msg("misplaced option \"%s\"", buf);
return NULL;
+ }
+#endif
+ break;
+ case NONE:
+ default:
+ bb_error_msg("misplaced option \"%s\"", buf);
+ return NULL;
}
}
free(buf);
@@ -883,13 +875,15 @@ static void set_environ(struct interface_defn_t *iface, const char *mode)
*(environend++) = setlocalenv("%s=%s", "ADDRFAM", iface->address_family->name);
*(environend++) = setlocalenv("%s=%s", "METHOD", iface->method->name);
*(environend++) = setlocalenv("%s=%s", "MODE", mode);
+ /* FIXME: we must not impose our own PATH, it is admin's job!
+ Use PATH from parent env */
*(environend++) = setlocalenv("%s=%s", "PATH", "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin");
}
static int doit(char *str)
{
if (option_mask & (OPT_no_act|OPT_verbose)) {
- printf("%s\n", str);
+ puts(str);
}
if (!(option_mask & OPT_no_act)) {
pid_t child;
@@ -897,11 +891,11 @@ static int doit(char *str)
fflush(NULL);
switch (child = fork()) {
- case -1: /* failure */
- return 0;
- case 0: /* child */
- execle(DEFAULT_SHELL, DEFAULT_SHELL, "-c", str, NULL, __myenviron);
- exit(127);
+ case -1: /* failure */
+ return 0;
+ case 0: /* child */
+ execle(DEFAULT_SHELL, DEFAULT_SHELL, "-c", str, NULL, __myenviron);
+ exit(127);
}
waitpid(child, &status, 0);
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
@@ -983,27 +977,27 @@ static int popen2(FILE **in, FILE **out, char *command, ...)
fflush(NULL);
switch (pid = fork()) {
- case -1: /* failure */
- close(infd[0]);
- close(infd[1]);
- close(outfd[0]);
- close(outfd[1]);
- return 0;
- case 0: /* child */
- dup2(infd[0], 0);
- dup2(outfd[1], 1);
- close(infd[0]);
- close(infd[1]);
- close(outfd[0]);
- close(outfd[1]);
- execvp(command, argv);
- exit(127);
- default: /* parent */
- *in = fdopen(infd[1], "w");
- *out = fdopen(outfd[0], "r");
- close(infd[0]);
- close(outfd[1]);
- return pid;
+ case -1: /* failure */
+ close(infd[0]);
+ close(infd[1]);
+ close(outfd[0]);
+ close(outfd[1]);
+ return 0;
+ case 0: /* child */
+ dup2(infd[0], 0);
+ dup2(outfd[1], 1);
+ close(infd[0]);
+ close(infd[1]);
+ close(outfd[0]);
+ close(outfd[1]);
+ execvp(command, argv);
+ exit(127);
+ default: /* parent */
+ *in = fdopen(infd[1], "w");
+ *out = fdopen(outfd[0], "r");
+ close(infd[0]);
+ close(outfd[1]);
+ return pid;
}
/* unreached */
}
@@ -1068,21 +1062,22 @@ static llist_t *find_iface_state(llist_t *state_list, const char *iface)
while (search) {
if ((strncmp(search->data, iface, iface_len) == 0) &&
(search->data[iface_len] == '=')) {
- return(search);
+ return search;
}
search = search->link;
}
- return(NULL);
+ return NULL;
}
int ifupdown_main(int argc, char **argv)
{
- int (*cmds) (struct interface_defn_t *) = NULL;
+ static const char statefile[] = "/var/run/ifstate";
+
+ int (*cmds)(struct interface_defn_t *) = NULL;
struct interfaces_file_t *defn;
llist_t *state_list = NULL;
llist_t *target_list = NULL;
const char *interfaces = "/etc/network/interfaces";
- const char *statefile = "/var/run/ifstate";
int any_failures = 0;
int i;
@@ -1170,7 +1165,6 @@ int ifupdown_main(int argc, char **argv)
struct mapping_defn_t *currmap;
for (currmap = defn->mappings; currmap; currmap = currmap->next) {
-
for (i = 0; i < currmap->n_matches; i++) {
if (fnmatch(currmap->match[i], liface, 0) != 0)
continue;
@@ -1199,7 +1193,7 @@ int ifupdown_main(int argc, char **argv)
/* Call the cmds function pointer, does either iface_up() or iface_down() */
cmds_ret = cmds(currif);
if (cmds_ret == -1) {
- bb_error_msg("Don't seem to have all the variables for %s/%s.",
+ bb_error_msg("don't seem to have all the variables for %s/%s",
liface, currif->address_family->name);
any_failures += 1;
} else if (cmds_ret == 0) {
@@ -1211,11 +1205,11 @@ int ifupdown_main(int argc, char **argv)
iface_list = iface_list->link;
}
if (VERBOSE) {
- printf("\n");
+ puts("");
}
if (!okay && !FORCE) {
- bb_error_msg("Ignoring unknown interface %s", liface);
+ bb_error_msg("ignoring unknown interface %s", liface);
any_failures += 1;
} else {
llist_t *iface_state = find_iface_state(state_list, iface);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 06:44:52 +0000