mirror of
https://github.com/sheumann/hush.git
synced 2024-08-22 17:29:34 +00:00
Size reductions, mostly switching things to use libbb functions.
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parent
bba7f08d27
commit
a6e131dab3
@ -41,7 +41,7 @@ int strings_main(int argc, char **argv)
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argv += optind;
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n = bb_xgetlarg(n_arg, 10, 1, INT_MAX);
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string = xcalloc(n + 1, 1);
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string = xzalloc(n + 1);
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n--;
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if (argc == 0) {
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@ -82,8 +82,7 @@ static uint32_t ttl = DEFAULT_TTL;
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/*
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* Convert host name from C-string to dns length/string.
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*/
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static void
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convname(char *a, uint8_t *q)
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static void convname(char *a, uint8_t *q)
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{
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int i = (q[0] == '.') ? 0 : 1;
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for(; i < MAX_HOST_LEN-1 && *q; i++, q++)
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@ -95,8 +94,7 @@ convname(char *a, uint8_t *q)
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/*
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* Insert length of substrings insetad of dots
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*/
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static void
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undot(uint8_t * rip)
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static void undot(uint8_t * rip)
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{
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int i = 0, s = 0;
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while(rip[i]) i++;
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@ -111,8 +109,7 @@ undot(uint8_t * rip)
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/*
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* Append message to log file
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*/
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static void
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log_message(char *filename, char *message)
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static void log_message(char *filename, char *message)
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{
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FILE *logfile;
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if (!daemonmode)
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@ -133,8 +130,7 @@ log_message(char *filename, char *message)
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* converting to a length/string substring for that label.
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*/
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static int
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getfileentry(FILE * fp, struct dns_entry *s, int verb)
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static int getfileentry(FILE * fp, struct dns_entry *s, int verb)
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{
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unsigned int a,b,c,d;
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char *r, *name;
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@ -168,19 +164,16 @@ restart:
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/*
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* Read hostname/IP records from file
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*/
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static void
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dnsentryinit(int verb)
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static void dnsentryinit(int verb)
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{
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FILE *fp;
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struct dns_entry *m, *prev;
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prev = dnsentry = NULL;
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if(!(fp = fopen(fileconf, "r")))
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bb_perror_msg_and_die("open %s",fileconf);
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fp = bb_xfopen(fileconf, "r");
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while (1) {
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if(!(m = (struct dns_entry *)malloc(sizeof(struct dns_entry))))
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bb_perror_msg_and_die("malloc dns_entry");
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m = xmalloc(sizeof(struct dns_entry));
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m->next = NULL;
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if (getfileentry(fp, m, verb))
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@ -199,8 +192,7 @@ dnsentryinit(int verb)
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/*
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* Set up UDP socket
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*/
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static int
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listen_socket(char *iface_addr, int listen_port)
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static int listen_socket(char *iface_addr, int listen_port)
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{
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struct sockaddr_in a;
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char msg[100];
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@ -228,8 +220,7 @@ listen_socket(char *iface_addr, int listen_port)
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* Look query up in dns records and return answer if found
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* qs is the query string, first byte the string length
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*/
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static int
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table_lookup(uint16_t type, uint8_t * as, uint8_t * qs)
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static int table_lookup(uint16_t type, uint8_t * as, uint8_t * qs)
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{
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int i;
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struct dns_entry *d=dnsentry;
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@ -269,8 +260,7 @@ table_lookup(uint16_t type, uint8_t * as, uint8_t * qs)
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* Decode message and generate answer
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*/
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#define eret(s) do { fprintf (stderr, "%s\n", s); return -1; } while (0)
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static int
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process_packet(uint8_t * buf)
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static int process_packet(uint8_t * buf)
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{
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struct dns_head *head;
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struct dns_prop *qprop;
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@ -367,8 +357,7 @@ process_packet(uint8_t * buf)
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/*
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* Exit on signal
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*/
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static void
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interrupt(int x)
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static void interrupt(int x)
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{
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unlink(LOCK_FILE);
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write(2, "interrupt exiting\n", 18);
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@ -629,10 +629,7 @@ static struct interfaces_file_t *read_interfaces(const char *filename)
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enum { NONE, IFACE, MAPPING } currently_processing = NONE;
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defn = xmalloc(sizeof(struct interfaces_file_t));
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defn->autointerfaces = NULL;
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defn->mappings = NULL;
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defn->ifaces = NULL;
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defn = xzalloc(sizeof(struct interfaces_file_t));
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f = bb_xfopen(filename, "r");
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@ -647,10 +644,7 @@ static struct interfaces_file_t *read_interfaces(const char *filename)
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if (strcmp(firstword, "mapping") == 0) {
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#ifdef CONFIG_FEATURE_IFUPDOWN_MAPPING
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currmap = xmalloc(sizeof(struct mapping_defn_t));
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currmap->max_matches = 0;
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currmap->n_matches = 0;
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currmap->match = NULL;
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currmap = xzalloc(sizeof(struct mapping_defn_t));
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while ((firstword = next_word(&buf_ptr)) != NULL) {
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if (currmap->max_matches == currmap->n_matches) {
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@ -690,7 +684,7 @@ static struct interfaces_file_t *read_interfaces(const char *filename)
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NULL
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};
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currif = xmalloc(sizeof(struct interface_defn_t));
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currif = xzalloc(sizeof(struct interface_defn_t));
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iface_name = next_word(&buf_ptr);
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address_family_name = next_word(&buf_ptr);
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method_name = next_word(&buf_ptr);
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@ -724,9 +718,6 @@ static struct interfaces_file_t *read_interfaces(const char *filename)
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return NULL;
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}
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currif->max_options = 0;
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currif->n_options = 0;
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currif->option = NULL;
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{
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llist_t *iface_list;
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@ -845,9 +836,7 @@ static char *setlocalenv(char *format, const char *name, const char *value)
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char *here;
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char *there;
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result = xmalloc(strlen(format) + strlen(name) + strlen(value) + 1);
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sprintf(result, format, name, value);
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result = bb_xasprintf(format, name, value);
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for (here = there = result; *there != '=' && *there; there++) {
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if (*there == '-')
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@ -878,11 +867,9 @@ static void set_environ(struct interface_defn_t *iface, const char *mode)
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*ppch = NULL;
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}
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free(__myenviron);
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__myenviron = NULL;
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}
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__myenviron = xmalloc(sizeof(char *) * (n_env_entries + 1 /* for final NULL */ ));
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__myenviron = xzalloc(sizeof(char *) * (n_env_entries + 1 /* for final NULL */ ));
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environend = __myenviron;
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*environend = NULL;
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for (i = 0; i < iface->n_options; i++) {
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if (strcmp(iface->option[i].name, "up") == 0
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@ -892,19 +879,13 @@ static void set_environ(struct interface_defn_t *iface, const char *mode)
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continue;
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}
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*(environend++) = setlocalenv("IF_%s=%s", iface->option[i].name, iface->option[i].value);
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*environend = NULL;
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}
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*(environend++) = setlocalenv("%s=%s", "IFACE", iface->iface);
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*environend = NULL;
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*(environend++) = setlocalenv("%s=%s", "ADDRFAM", iface->address_family->name);
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*environend = NULL;
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*(environend++) = setlocalenv("%s=%s", "METHOD", iface->method->name);
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*environend = NULL;
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*(environend++) = setlocalenv("%s=%s", "MODE", mode);
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*environend = NULL;
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*(environend++) = setlocalenv("%s=%s", "PATH", "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin");
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*environend = NULL;
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}
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static int doit(char *str)
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@ -1069,7 +1050,7 @@ static char *run_mapping(char *physical, struct mapping_defn_t * map)
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free(logical);
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logical = new_logical;
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} else {
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/* If we are UNABLE to read a line of output, discard are
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/* If we are UNABLE to read a line of output, discard our
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* freshly allocated memory. */
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free(new_logical);
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}
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@ -1177,28 +1158,6 @@ int ifupdown_main(int argc, char **argv)
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if (cmds == iface_up) {
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target_list = defn->autointerfaces;
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} else {
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#if 0
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/* iface_down */
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llist_t *new_item;
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const llist_t *list = state_list;
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while (list) {
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new_item = xmalloc(sizeof(llist_t));
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new_item->data = bb_xstrdup(list->data);
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new_item->link = NULL;
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list = target_list;
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if (list == NULL)
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target_list = new_item;
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else {
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while (list->link) {
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list = list->link;
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}
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list = new_item;
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}
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list = list->link;
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}
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target_list = defn->autointerfaces;
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#else
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/* iface_down */
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const llist_t *list = state_list;
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while (list) {
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@ -1206,7 +1165,6 @@ int ifupdown_main(int argc, char **argv)
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list = list->link;
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}
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target_list = defn->autointerfaces;
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#endif
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}
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} else {
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llist_add_to_end(&target_list, argv[optind]);
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@ -1308,8 +1266,7 @@ int ifupdown_main(int argc, char **argv)
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llist_t *iface_state = find_iface_state(state_list, iface);
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if (cmds == iface_up) {
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char *newiface = xmalloc(strlen(iface) + 1 + strlen(liface) + 1);
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sprintf(newiface, "%s=%s", iface, liface);
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char *newiface = bb_xasprintf("%s=%s", iface, liface);
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if (iface_state == NULL) {
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llist_add_to_end(&state_list, newiface);
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} else {
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@ -1318,17 +1275,7 @@ int ifupdown_main(int argc, char **argv)
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}
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} else {
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/* Remove an interface from the linked list */
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if (iface_state) {
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llist_t *l = iface_state->link;
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free(iface_state->data);
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iface_state->data = NULL;
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iface_state->link = NULL;
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if (l) {
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iface_state->data = l->data;
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iface_state->link = l->link;
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}
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free(l);
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}
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free(llist_pop(&iface_state));
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}
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}
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}
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@ -76,7 +76,6 @@
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#define _PATH_PROCNET_DEV "/proc/net/dev"
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#define _PATH_PROCNET_IFINET6 "/proc/net/if_inet6"
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#define new(p) ((p) = xcalloc(1,sizeof(*(p))))
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#if HAVE_AFINET6
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@ -789,7 +788,8 @@ static struct interface *add_interface(char *name)
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if (n < 0)
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break;
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}
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new(new);
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new = xzalloc(sizeof(*new));
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safe_strncpy(new->name, name, IFNAMSIZ);
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nextp = ife ? &ife->next : &int_list;
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new->prev = ife;
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@ -17,6 +17,7 @@
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#include "libnetlink.h"
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#include "ll_map.h"
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#include "libbb.h"
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struct idxmap
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{
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@ -57,9 +58,7 @@ int ll_remember_index(struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
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break;
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if (im == NULL) {
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im = malloc(sizeof(*im));
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if (im == NULL)
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return 0;
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im = xmalloc(sizeof(*im));
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im->next = *imp;
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im->index = ifi->ifi_index;
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*imp = im;
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@ -105,7 +105,7 @@ int nameif_main(int argc, char **argv)
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if (strlen(*a) > IF_NAMESIZE)
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serror("interface name `%s' too long", *a);
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ch = xcalloc(1, sizeof(mactable_t));
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ch = xzalloc(sizeof(mactable_t));
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ch->ifname = bb_xstrdup(*a++);
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ch->mac = cc_macaddr(*a++);
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if (clist)
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@ -126,7 +126,7 @@ int nameif_main(int argc, char **argv)
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continue;
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}
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name_length = strcspn(line_ptr, " \t");
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ch = xcalloc(1, sizeof(mactable_t));
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ch = xzalloc(sizeof(mactable_t));
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ch->ifname = bb_xstrndup(line_ptr, name_length);
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if (name_length > IF_NAMESIZE)
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serror("interface name `%s' too long", ch->ifname);
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