+/*
+ * Copyright (c) 1985 Regents of the University of California.
+ * All rights reserved. The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)ruserpass.c 1.1 (Berkeley) %G%";
+#endif not lint
+
+
+struct macel {
+ char mac_name[9]; /* macro name */
+ char *mac_start; /* start of macro in macbuf */
+ char *mac_end; /* end of macro in macbuf */
+};
+
+extern int macnum, proxy; /* number of defined macros */
+extern struct macel macros[16], *macpt;
+extern char macbuf[4096];
+
+#include <stdio.h>
+#include <utmp.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+char *renvlook(), *malloc(), *index(), *getenv(), *getpass(), *getlogin();
+struct utmp *getutmp();
+static FILE *cfile;
+
+ruserpass(host, aname, apass, aacct)
+ char *host, **aname, **apass, **aacct;
+{
+
+ /* renv(host, aname, apass, aacct);
+ if (*aname == 0 || *apass == 0) */
+ return(rnetrc(host, aname, apass, aacct));
+}
+
+#define DEFAULT 1
+#define LOGIN 2
+#define PASSWD 3
+#define ACCOUNT 4
+#define MACDEF 5
+#define ID 10
+#define MACHINE 11
+
+static char tokval[100];
+
+static struct toktab {
+ char *tokstr;
+ int tval;
+} toktab[]= {
+ "default", DEFAULT,
+ "login", LOGIN,
+ "password", PASSWD,
+ "account", ACCOUNT,
+ "machine", MACHINE,
+ "macdef", MACDEF,
+ 0, 0
+};
+
+static
+rnetrc(host, aname, apass, aacct)
+ char *host, **aname, **apass, **aacct;
+{
+ char *hdir, buf[BUFSIZ], *tmp, c;
+ int t, i;
+ struct stat stb;
+ extern int errno;
+
+ hdir = getenv("HOME");
+ if (hdir == NULL)
+ hdir = ".";
+ sprintf(buf, "%s/.ftprc", hdir);
+ cfile = fopen(buf, "r");
+ if (cfile == NULL) {
+ if (errno != ENOENT)
+ perror(buf);
+ return(0);
+ }
+next:
+ while ((t = token())) switch(t) {
+
+ case DEFAULT:
+ (void) token();
+ continue;
+
+ case MACHINE:
+ if (token() != ID || strcmp(host, tokval))
+ continue;
+ while ((t = token()) && t != MACHINE) switch(t) {
+
+ case LOGIN:
+ if (token())
+ if (*aname == 0) {
+ *aname = malloc(strlen(tokval) + 1);
+ strcpy(*aname, tokval);
+ } else {
+ if (strcmp(*aname, tokval))
+ goto next;
+ }
+ break;
+ case PASSWD:
+ if (fstat(fileno(cfile), &stb) >= 0
+ && (stb.st_mode & 077) != 0) {
+ fprintf(stderr, "Error - .ftprc file not correct mode.\n");
+ fprintf(stderr, "Remove password or correct mode.\n");
+ return(-1);
+ }
+ if (token() && *apass == 0) {
+ *apass = malloc(strlen(tokval) + 1);
+ strcpy(*apass, tokval);
+ }
+ break;
+ case ACCOUNT:
+ if (fstat(fileno(cfile), &stb) >= 0
+ && (stb.st_mode & 077) != 0) {
+ fprintf(stderr, "Error - .ftprc file not correct mode.\n");
+ fprintf(stderr, "Remove account or correct mode.\n");
+ return(-1);
+ }
+ if (token() && *aacct == 0) {
+ *aacct = malloc(strlen(tokval) + 1);
+ strcpy(*aacct, tokval);
+ }
+ break;
+ case MACDEF:
+ if (proxy) {
+ return(0);
+ }
+ while ((c=getc(cfile)) != EOF && c == ' ' || c == '\t');
+ if (c == EOF || c == '\n') {
+ printf("Missing macdef name argument.\n");
+ return(-1);
+ }
+ if (macnum == 16) {
+ printf("Limit of 16 macros have already been defined\n");
+ return(-1);
+ }
+ tmp = macros[macnum].mac_name;
+ *tmp++ = c;
+ for (i=0; i < 8 && (c=getc(cfile)) != EOF &&
+ !isspace(c); ++i) {
+ *tmp++ = c;
+ }
+ if (c == EOF) {
+ printf("Macro definition missing null line terminator.\n");
+ return(-1);
+ }
+ *tmp = '\0';
+ if (c != '\n') {
+ while ((c=getc(cfile)) != EOF && c != '\n');
+ }
+ if (c == EOF) {
+ printf("Macro definition missing null line terminator.\n");
+ return(-1);
+ }
+ if (macnum == 0) {
+ macros[macnum].mac_start = macbuf;
+ }
+ else {
+ macros[macnum].mac_start = macros[macnum-1].mac_end + 1;
+ }
+ tmp = macros[macnum].mac_start;
+ while (tmp != macbuf + 4096) {
+ if ((c=getc(cfile)) == EOF) {
+ printf("Macro definition missing null line terminator.\n");
+ return(-1);
+ }
+ *tmp = c;
+ if (*tmp == '\n') {
+ if (*(tmp-1) == '\0') {
+ macros[macnum++].mac_end = tmp - 1;
+ break;
+ }
+ *tmp = '\0';
+ }
+ tmp++;
+ }
+ if (tmp == macbuf + 4096) {
+ printf("4K macro buffer exceeded\n");
+ return(-1);
+ }
+ break;
+ default:
+ fprintf(stderr, "Unknown .ftprc keyword %s\n", tokval);
+ break;
+ }
+ goto done;
+ }
+done:
+ fclose(cfile);
+}
+
+static
+token()
+{
+ char *cp;
+ int c;
+ struct toktab *t;
+
+ if (feof(cfile))
+ return (0);
+ while ((c = getc(cfile)) != EOF &&
+ (c == '\n' || c == '\t' || c == ' ' || c == ','))
+ continue;
+ if (c == EOF)
+ return (0);
+ cp = tokval;
+ if (c == '"') {
+ while ((c = getc(cfile)) != EOF && c != '"') {
+ if (c == '\\')
+ c = getc(cfile);
+ *cp++ = c;
+ }
+ } else {
+ *cp++ = c;
+ while ((c = getc(cfile)) != EOF
+ && c != '\n' && c != '\t' && c != ' ' && c != ',') {
+ if (c == '\\')
+ c = getc(cfile);
+ *cp++ = c;
+ }
+ }
+ *cp = 0;
+ if (tokval[0] == 0)
+ return (0);
+ for (t = toktab; t->tokstr; t++)
+ if (!strcmp(t->tokstr, tokval))
+ return (t->tval);
+ return (ID);
+}
projects / unix-history / commitdiff