mirror of
https://github.com/cahirwpz/libnix.git
synced 2025-12-08 14:58:56 +00:00
126 lines
2.9 KiB
C
126 lines
2.9 KiB
C
#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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//
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#include "socket.h"
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#define MAXALIASES 35
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#define TCP_PATH_NETWORKS "AmiTCP:db/networks"
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void setnetent(int stayopen)
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{ struct SocketSettings *lss;
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switch (lss=_lx_get_socket_settings(),lss->lx_network_type) {
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case LX_AS225:
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SOCK_setnetent(stayopen);
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break;
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case LX_AMITCP:
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if (!lss->lx_net_fp)
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lss->lx_net_fp = fopen(TCP_PATH_NETWORKS, "r");
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else
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rewind(lss->lx_net_fp);
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lss->lx_net_stayopen = stayopen;
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break;
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default:
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/* silence compiler */
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break;
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}
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}
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void endnetent(void)
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{ struct SocketSettings *lss;
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switch (lss=_lx_get_socket_settings(),lss->lx_network_type) {
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case LX_AS225:
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SOCK_endnetent();
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break;
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default:
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lss->lx_net_stayopen = 0;
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if (lss->lx_net_fp) {
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fclose(lss->lx_net_fp); lss->lx_net_fp = NULL;
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}
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#if 0
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if (lss->lx_net_aliases) {
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free(lss->lx_net_aliases); lss->lx_net_aliases = NULL;
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}
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if (lss->lx_net_line) {
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free(lss->lx_net_line); lss->lx_net_line = NULL;
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}
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#endif
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break;
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}
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}
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struct netent *getnetent(void)
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{ struct SocketSettings *lss;
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switch(lss=_lx_get_socket_settings(),lss->lx_network_type) {
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case LX_AS225:
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return SOCK_getnetent();
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break;
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case LX_AMITCP:
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if (!lss->lx_net_line)
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lss->lx_net_line = malloc(BUFSIZ + 1);
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if (!lss->lx_net_aliases)
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lss->lx_net_aliases = malloc(MAXALIASES * sizeof(char *));
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if (!lss->lx_net_line || !lss->lx_net_aliases) {
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errno = ENOMEM; return NULL;
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}
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if (lss->lx_net_fp || (lss->lx_net_fp=fopen(TCP_PATH_NETWORKS, "r"))) {
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for(;;) {
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char *s, *cp, **q;
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if ((s=fgets(lss->lx_net_line, BUFSIZ, lss->lx_net_fp)) == NULL)
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break;
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if ((*s == '#') || ((cp=strpbrk(s, "#\n")) == NULL))
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continue;
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*cp = '\0';
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lss->lx_net.n_name = s;
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if ((cp=strpbrk(s, " \t")) == NULL)
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continue;
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*cp++ = '\0';
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while (*cp == ' ' || *cp == '\t')
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cp++;
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if ((s=strpbrk(cp, " \t")))
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*s++ = '\0';
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lss->lx_net.n_net = inet_network(cp);
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lss->lx_net.n_addrtype = AF_INET;
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q = lss->lx_net.n_aliases = lss->lx_net_aliases;
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if ((cp=s)) {
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while (cp && *cp) {
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if (*cp == ' ' || *cp == '\t') {
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cp++; continue;
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}
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if (q < &lss->lx_net_aliases[MAXALIASES - 1])
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*q++ = cp;
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if ((cp=strpbrk(cp, " \t")))
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*cp++ = '\0';
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}
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}
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*q = NULL; return &lss->lx_net;
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}
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}
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/* fall through */
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default:
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return NULL;
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break;
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}
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}
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