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1.1 ! root 1: /* ! 2: * $Header: /newbits/usr/lib/uucp/dcp/RCS/dcpxf2.c,v 1.4 91/08/15 13:24:56 bin Exp Locker: bin $ ! 3: * $Log: dcpxf2.c,v $ ! 4: * Revision 1.4 91/08/15 13:24:56 bin ! 5: * changes by epstein for 7bit sites ! 6: * ! 7: * Revision 1.6 90/03/29 10:54:13 wgl ! 8: * Add check of the -d option and fail to create directory if option absent. ! 9: * ! 10: * Revision 1.5 90/03/26 13:45:37 wgl ! 11: * Add routine 'rebuildfn' to rebuild file name as needed on receive. ! 12: * ! 13: * Revision 1.4 90/03/23 09:30:39 wgl ! 14: * Add routines for cheking read and write permissions. ! 15: * ! 16: * Revision 1.3 90/03/22 12:11:08 wgl ! 17: * Add 'canwrite'. ! 18: * ! 19: * Revision 1.2 90/03/22 08:59:23 wgl ! 20: * Fixed error in from/to file reporting in status mail message. ! 21: * ! 22: */ ! 23: ! 24: #include "dcp.h" ! 25: #include <signal.h> ! 26: #include <ctype.h> ! 27: #include <sys/timeb.h> ! 28: #include <sys/stat.h> ! 29: #include <access.h> ! 30: #include <pwd.h> ! 31: #include "perm.h" ! 32: ! 33: static char uuxbuf [64]; ! 34: static char allowed [80]; ! 35: static char disallowed[80]; ! 36: static char *successmsg [2] = { ! 37: "FAILED", ! 38: "Successfully" ! 39: }; ! 40: ! 41: static char tmpfilename[BUFSIZ]; /* Holds the converted file name */ ! 42: extern char reason[]; ! 43: extern char *strtok(); ! 44: ! 45: notifystatus(fromfilep, xtofile, sending, success, cdotctl) ! 46: char *fromfilep, *xtofile; ! 47: int success, cdotctl, sending; ! 48: { ! 49: if (cdotctl) { ! 50: if (index(optionp, 'm') != NULL) ! 51: l3statmail(fromfilep, xtofile, sending, success); ! 52: } else { ! 53: if (index(optionp, 'n') != NULL) ! 54: notify2mail(fromfilep, xtofile, success); ! 55: } ! 56: } ! 57: ! 58: l3statmail(from, to, sending, success) ! 59: char *from; ! 60: char *to; ! 61: int sending; ! 62: int success; ! 63: { ! 64: FILE *fmp; ! 65: ! 66: (void) signal(SIGPIPE, SIG_IGN); ! 67: sprintf(uuxbuf, "mail -auucp %s", usernamep); ! 68: plog(M_TRANSFER, "Posting local status mail to user \"%s\"", usernamep); ! 69: if ((fmp = popen(uuxbuf, "w")) == NULL) ! 70: plog(M_TRANSFER, "Cannot send status mail"); ! 71: else { ! 72: static char *succp; ! 73: fprintf(fmp, "From: UUCP V%s\n", version); ! 74: fprintf(fmp, "Subject: UUCP file transfer status\n\n"); ! 75: succp = successmsg [success]; ! 76: if (sending) { ! 77: fprintf (fmp, "Sent file:\t%s\n", from); ! 78: fprintf (fmp, " to:\t%s!%s\n%s\n", ! 79: rmtname, to, succp); ! 80: } else { ! 81: fprintf (fmp,"Received file:\t%s\n", to); ! 82: fprintf (fmp, " from:\t%s!%s\n%s\n", ! 83: rmtname, from, succp); ! 84: } ! 85: if (!success) ! 86: fprintf(fmp, "Reason: %s\n", reason); ! 87: if (pclose(fmp) != 0) ! 88: plog(M_TRANSFER, "Status mail failed."); ! 89: } ! 90: } ! 91: ! 92: notify2mail(from, to, success) ! 93: char *from; ! 94: char *to; ! 95: int success; ! 96: { ! 97: FILE *fmp; ! 98: int status; ! 99: ! 100: (void) signal(SIGPIPE, SIG_IGN); ! 101: sprintf(uuxbuf, "mail -auucp %s", notifyp); ! 102: plog(M_TRANSFER, "Notifying user \"%s\".", notifyp); ! 103: if ((fmp = popen(uuxbuf, "w")) == NULL) ! 104: plog(M_TRANSFER, "Cannot send notify mail (popen)"); ! 105: else { ! 106: fprintf(fmp, "From: UUCP V%s\n", version); ! 107: fprintf(fmp, "\nThe file:\t%s\nReceived from:\t%s!%s\n", ! 108: to, rmtname, from); ! 109: fprintf(fmp, "%s\n", successmsg [success]); ! 110: if (!success) ! 111: fprintf(fmp, "Reason: %s\n", reason); ! 112: if ((status = pclose(fmp)) != 0) { ! 113: plog(M_TRANSFER, ! 114: "Notify mail fails (pclose), code %d", status); ! 115: } ! 116: } ! 117: } ! 118: ! 119: getoct(s) ! 120: char *s; ! 121: { ! 122: char *cp; ! 123: char c; ! 124: int n; ! 125: ! 126: cp = s; ! 127: n = 0; ! 128: while ((c = *cp) != '\0') { ! 129: n = (n * 8) + *cp++ -'0'; ! 130: } ! 131: return n; ! 132: } ! 133: ! 134: int ! 135: cantsend() ! 136: { ! 137: plog(M_TRANSFER, "Cannot send packet"); ! 138: printmsg(M_TRANSFER, "Cannot send packet (cantsend)"); ! 139: terminatelevel++; ! 140: return 'Y'; ! 141: } ! 142: ! 143: int ! 144: cantread() ! 145: { ! 146: plog(M_TRANSFER, "Cannot read packet"); ! 147: printmsg(M_TRANSFER, "Cannot read packet (cantread)"); ! 148: terminatelevel++; ! 149: return 'Y'; ! 150: } ! 151: ! 152: int ! 153: canwrite(fn) ! 154: char *fn; ! 155: { ! 156: static dirname [120]; ! 157: struct stat statbuf; ! 158: char *cp; ! 159: ! 160: strcpy(dirname, fn); ! 161: if ((cp = rindex(dirname, '/')) != NULL) { ! 162: *cp = '\0'; ! 163: if (index(optionp, 'd') != NULL) { ! 164: if (!ckdir(dirname)) { ! 165: plog(M_SPOOL, "unable to create directory %s", ! 166: dirname); ! 167: return 0; ! 168: } ! 169: } ! 170: } ! 171: if (stat(fn, &statbuf) == -1) ! 172: return 1; ! 173: if (access(fn, 0) == 0) ! 174: return 1; ! 175: return 0; ! 176: } ! 177: ! 178: perm_write(fn) ! 179: char *fn; ! 180: { ! 181: strcpy(allowed, perm_value(write_e)); ! 182: strcpy(disallowed, perm_value(nowrite_e)); ! 183: return allowed_or_not(fn); ! 184: } ! 185: ! 186: perm_read(fn) ! 187: char *fn; ! 188: { ! 189: strcpy(allowed, perm_value(read_e)); ! 190: strcpy(disallowed, perm_value(noread_e)); ! 191: return allowed_or_not(fn); ! 192: } ! 193: ! 194: static int ! 195: allowed_or_not(fn) ! 196: char *fn; ! 197: { ! 198: char *sp, *cp; ! 199: ! 200: strcat(allowed, ":/usr/spool/uucp"); ! 201: sp = disallowed; ! 202: while ((cp = strtok(sp, ":")) != NULL) { ! 203: sp = NULL; ! 204: if (strncmp(fn, cp, strlen(cp)) == 0) ! 205: return 0; ! 206: } ! 207: sp = allowed; ! 208: while ((cp = strtok(sp, ":")) != NULL) { ! 209: sp = NULL; ! 210: if (strncmp(fn, cp, strlen(cp)) == 0) ! 211: return 1; ! 212: } ! 213: return 0; ! 214: } ! 215: ! 216: /* ! 217: * rebuildfn ! 218: * rebuild the destination file name for a transfer, handling ! 219: * directories and so on. ! 220: */ ! 221: char * ! 222: rebuildfn(destfile) ! 223: char *destfile; ! 224: { ! 225: struct passwd *pwp; ! 226: struct stat statbuf; ! 227: char *cp; ! 228: ! 229: if (*destfile == '~') { ! 230: if (*(destfile + 1) == '/') ! 231: sprintf(tmpfilename, "%s/%s", PUBDIR, destfile + 2); ! 232: else { ! 233: static char user [20]; ! 234: strcpy(tmpfilename, destfile + 1); ! 235: if ((cp = strtok(tmpfilename, "/\n")) == NULL) ! 236: cp = tmpfilename; ! 237: strcpy(user, tmpfilename); ! 238: if ((pwp = getpwnam(user)) == NULL) ! 239: return NULL; ! 240: if ((cp = index(destfile, "/")) == NULL) ! 241: cp = ""; ! 242: sprintf(tmpfilename, "%s/%s", pwp->pw_dir, cp); ! 243: } ! 244: } else if (*destfile == '/') ! 245: sprintf(tmpfilename, "%s", destfile); ! 246: else ! 247: sprintf(tmpfilename, "%s/%s/%s", SPOOLDIR, rmtname, destfile); ! 248: if ((cp = index(tmpfilename, '\n')) != NULL) ! 249: *cp = '\0'; ! 250: if (((stat(tmpfilename, &statbuf) != -1) && ! 251: ((statbuf.st_mode & S_IFDIR) != 0)) || ! 252: (tmpfilename[strlen(tmpfilename) - 1] == '/')) { ! 253: if ((cp = rindex(fromfilep, '/')) == NULL) ! 254: cp = fromfilep; ! 255: else ! 256: cp++; ! 257: if (tmpfilename[strlen(tmpfilename) - 1] != '/') ! 258: strcat(tmpfilename, "/"); ! 259: strcat(tmpfilename, cp); ! 260: } ! 261: return tmpfilename; ! 262: }
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