diff options
Diffstat (limited to 'netwerk/streamconv/converters/ParseFTPList.cpp')
-rw-r--r-- | netwerk/streamconv/converters/ParseFTPList.cpp | 1888 |
1 files changed, 1888 insertions, 0 deletions
diff --git a/netwerk/streamconv/converters/ParseFTPList.cpp b/netwerk/streamconv/converters/ParseFTPList.cpp new file mode 100644 index 000000000..2ca16166c --- /dev/null +++ b/netwerk/streamconv/converters/ParseFTPList.cpp @@ -0,0 +1,1888 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "ParseFTPList.h" +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include "plstr.h" +#include "nsDebug.h" +#include "prprf.h" +#include "mozilla/IntegerPrintfMacros.h" +#include "mozilla/Sprintf.h" + +/* ==================================================================== */ + +static inline int ParsingFailed(struct list_state *state) +{ + if (state->parsed_one || state->lstyle) /* junk if we fail to parse */ + return '?'; /* this time but had previously parsed successfully */ + return '"'; /* its part of a comment or error message */ +} + +int ParseFTPList(const char *line, struct list_state *state, + struct list_result *result ) +{ + unsigned int carry_buf_len; /* copy of state->carry_buf_len */ + unsigned int pos; + const char *p; + + if (!line || !state || !result) + return 0; + + memset( result, 0, sizeof(*result) ); + state->numlines++; + + /* carry buffer is only valid from one line to the next */ + carry_buf_len = state->carry_buf_len; + state->carry_buf_len = 0; + + /* strip leading whitespace */ + while (*line == ' ' || *line == '\t') + line++; + + /* line is terminated at first '\0' or '\n' */ + p = line; + while (*p && *p != '\n') + p++; + unsigned int linelen = p - line; + + if (linelen > 0 && *p == '\n' && *(p-1) == '\r') + linelen--; + + /* DON'T strip trailing whitespace. */ + + if (linelen > 0) + { + static const char *month_names = "JanFebMarAprMayJunJulAugSepOctNovDec"; + const char *tokens[16]; /* 16 is more than enough */ + unsigned int toklen[(sizeof(tokens)/sizeof(tokens[0]))]; + unsigned int linelen_sans_wsp; // line length sans whitespace + unsigned int numtoks = 0; + unsigned int tokmarker = 0; /* extra info for lstyle handler */ + unsigned int month_num = 0; + char tbuf[4]; + int lstyle = 0; + + if (carry_buf_len) /* VMS long filename carryover buffer */ + { + tokens[0] = state->carry_buf; + toklen[0] = carry_buf_len; + numtoks++; + } + + pos = 0; + while (pos < linelen && numtoks < (sizeof(tokens)/sizeof(tokens[0])) ) + { + while (pos < linelen && + (line[pos] == ' ' || line[pos] == '\t' || line[pos] == '\r')) + pos++; + if (pos < linelen) + { + tokens[numtoks] = &line[pos]; + while (pos < linelen && + (line[pos] != ' ' && line[pos] != '\t' && line[pos] != '\r')) + pos++; + if (tokens[numtoks] != &line[pos]) + { + toklen[numtoks] = (&line[pos] - tokens[numtoks]); + numtoks++; + } + } + } + + if (!numtoks) + return ParsingFailed(state); + + linelen_sans_wsp = &(tokens[numtoks-1][toklen[numtoks-1]]) - tokens[0]; + if (numtoks == (sizeof(tokens)/sizeof(tokens[0])) ) + { + pos = linelen; + while (pos > 0 && (line[pos-1] == ' ' || line[pos-1] == '\t')) + pos--; + linelen_sans_wsp = pos; + } + + /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ + +#if defined(SUPPORT_EPLF) + /* EPLF handling must come somewhere before /bin/dls handling. */ + if (!lstyle && (!state->lstyle || state->lstyle == 'E')) + { + if (*line == '+' && linelen > 4 && numtoks >= 2) + { + pos = 1; + while (pos < (linelen-1)) + { + p = &line[pos++]; + if (*p == '/') + result->fe_type = 'd'; /* its a dir */ + else if (*p == 'r') + result->fe_type = 'f'; /* its a file */ + else if (*p == 'm') + { + if (isdigit(line[pos])) + { + while (pos < linelen && isdigit(line[pos])) + pos++; + if (pos < linelen && line[pos] == ',') + { + PRTime t; + PRTime seconds; + PR_sscanf(p+1, "%llu", &seconds); + t = seconds * PR_USEC_PER_SEC; + PR_ExplodeTime(t, PR_LocalTimeParameters, &(result->fe_time) ); + } + } + } + else if (*p == 's') + { + if (isdigit(line[pos])) + { + while (pos < linelen && isdigit(line[pos])) + pos++; + if (pos < linelen && line[pos] == ',' && + ((&line[pos]) - (p+1)) < int(sizeof(result->fe_size)-1) ) + { + memcpy( result->fe_size, p+1, (unsigned)(&line[pos] - (p+1)) ); + result->fe_size[(&line[pos] - (p+1))] = '\0'; + } + } + } + else if (isalpha(*p)) /* 'i'/'up' or unknown "fact" (property) */ + { + while (pos < linelen && *++p != ',') + pos++; + } + else if (*p != '\t' || (p+1) != tokens[1]) + { + break; /* its not EPLF after all */ + } + else + { + state->parsed_one = 1; + state->lstyle = lstyle = 'E'; + + p = &(line[linelen_sans_wsp]); + result->fe_fname = tokens[1]; + result->fe_fnlen = p - tokens[1]; + + if (!result->fe_type) /* access denied */ + { + result->fe_type = 'f'; /* is assuming 'f'ile correct? */ + return '?'; /* NO! junk it. */ + } + return result->fe_type; + } + if (pos >= (linelen-1) || line[pos] != ',') + break; + pos++; + } /* while (pos < linelen) */ + memset( result, 0, sizeof(*result) ); + } /* if (*line == '+' && linelen > 4 && numtoks >= 2) */ + } /* if (!lstyle && (!state->lstyle || state->lstyle == 'E')) */ +#endif /* SUPPORT_EPLF */ + + /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ + +#if defined(SUPPORT_VMS) + if (!lstyle && (!state->lstyle || state->lstyle == 'V')) + { /* try VMS Multinet/UCX/CMS server */ + /* + * Legal characters in a VMS file/dir spec are [A-Z0-9$.-_~]. + * '$' cannot begin a filename and `-' cannot be used as the first + * or last character. '.' is only valid as a directory separator + * and <file>.<type> separator. A canonical filename spec might look + * like this: DISK$VOL:[DIR1.DIR2.DIR3]FILE.TYPE;123 + * All VMS FTP servers LIST in uppercase. + * + * We need to be picky about this in order to support + * multi-line listings correctly. + */ + if (!state->parsed_one && + (numtoks == 1 || (numtoks == 2 && toklen[0] == 9 && + memcmp(tokens[0], "Directory", 9)==0 ))) + { + /* If no dirstyle has been detected yet, and this line is a + * VMS list's dirname, then turn on VMS dirstyle. + * eg "ACA:[ANONYMOUS]", "DISK$FTP:[ANONYMOUS]", "SYS$ANONFTP:" + */ + p = tokens[0]; + pos = toklen[0]; + if (numtoks == 2) + { + p = tokens[1]; + pos = toklen[1]; + } + pos--; + if (pos >= 3) + { + while (pos > 0 && p[pos] != '[') + { + pos--; + if (p[pos] == '-' || p[pos] == '$') + { + if (pos == 0 || p[pos-1] == '[' || p[pos-1] == '.' || + (p[pos] == '-' && (p[pos+1] == ']' || p[pos+1] == '.'))) + break; + } + else if (p[pos] != '.' && p[pos] != '~' && + !isdigit(p[pos]) && !isalpha(p[pos])) + break; + else if (isalpha(p[pos]) && p[pos] != toupper(p[pos])) + break; + } + if (pos > 0) + { + pos--; + if (p[pos] != ':' || p[pos+1] != '[') + pos = 0; + } + } + if (pos > 0 && p[pos] == ':') + { + while (pos > 0) + { + pos--; + if (p[pos] != '$' && p[pos] != '_' && p[pos] != '-' && + p[pos] != '~' && !isdigit(p[pos]) && !isalpha(p[pos])) + break; + else if (isalpha(p[pos]) && p[pos] != toupper(p[pos])) + break; + } + if (pos == 0) + { + state->lstyle = 'V'; + return '?'; /* its junk */ + } + } + /* fallthrough */ + } + else if ((tokens[0][toklen[0]-1]) != ';') + { + if (numtoks == 1 && (state->lstyle == 'V' && !carry_buf_len)) + lstyle = 'V'; + else if (numtoks < 4) + ; + else if (toklen[1] >= 10 && memcmp(tokens[1], "%RMS-E-PRV", 10) == 0) + lstyle = 'V'; + else if ((&line[linelen] - tokens[1]) >= 22 && + memcmp(tokens[1], "insufficient privilege", 22) == 0) + lstyle = 'V'; + else if (numtoks != 4 && numtoks != 6) + ; + else if (numtoks == 6 && ( + toklen[5] < 4 || *tokens[5] != '(' || /* perms */ + (tokens[5][toklen[5]-1]) != ')' )) + ; + else if ( (toklen[2] == 10 || toklen[2] == 11) && + (tokens[2][toklen[2]-5]) == '-' && + (tokens[2][toklen[2]-9]) == '-' && + (((toklen[3]==4 || toklen[3]==5 || toklen[3]==7 || toklen[3]==8) && + (tokens[3][toklen[3]-3]) == ':' ) || + ((toklen[3]==10 || toklen[3]==11 ) && + (tokens[3][toklen[3]-3]) == '.' ) + ) && /* time in [H]H:MM[:SS[.CC]] format */ + isdigit(*tokens[1]) && /* size */ + isdigit(*tokens[2]) && /* date */ + isdigit(*tokens[3]) /* time */ + ) + { + lstyle = 'V'; + } + if (lstyle == 'V') + { + /* + * MultiNet FTP: + * LOGIN.COM;2 1 4-NOV-1994 04:09 [ANONYMOUS] (RWE,RWE,,) + * PUB.DIR;1 1 27-JAN-1994 14:46 [ANONYMOUS] (RWE,RWE,RE,RWE) + * README.FTP;1 %RMS-E-PRV, insufficient privilege or file protection violation + * ROUSSOS.DIR;1 1 27-JAN-1994 14:48 [CS,ROUSSOS] (RWE,RWE,RE,R) + * S67-50903.JPG;1 328 22-SEP-1998 16:19 [ANONYMOUS] (RWED,RWED,,) + * UCX FTP: + * CII-MANUAL.TEX;1 213/216 29-JAN-1996 03:33:12 [ANONYMOU,ANONYMOUS] (RWED,RWED,,) + * CMU/VMS-IP FTP + * [VMSSERV.FILES]ALARM.DIR;1 1/3 5-MAR-1993 18:09 + * TCPware FTP + * FOO.BAR;1 4 5-MAR-1993 18:09:01.12 + * Long filename example: + * THIS-IS-A-LONG-VMS-FILENAME.AND-THIS-IS-A-LONG-VMS-FILETYPE\r\n + * 213[/nnn] 29-JAN-1996 03:33[:nn] [ANONYMOU,ANONYMOUS] (RWED,RWED,,) + */ + tokmarker = 0; + p = tokens[0]; + pos = 0; + if (*p == '[' && toklen[0] >= 4) /* CMU style */ + { + if (p[1] != ']') + { + p++; + pos++; + } + while (lstyle && pos < toklen[0] && *p != ']') + { + if (*p != '$' && *p != '.' && *p != '_' && *p != '-' && + *p != '~' && !isdigit(*p) && !isalpha(*p)) + lstyle = 0; + pos++; + p++; + } + if (lstyle && pos < (toklen[0]-1)) + { + /* ']' was found and there is at least one character after it */ + NS_ASSERTION(*p == ']', "unexpected state"); + pos++; + p++; + tokmarker = pos; /* length of leading "[DIR1.DIR2.etc]" */ + } else { + /* not a CMU style listing */ + lstyle = 0; + } + } + while (lstyle && pos < toklen[0] && *p != ';') + { + if (*p != '$' && *p != '.' && *p != '_' && *p != '-' && + *p != '~' && !isdigit(*p) && !isalpha(*p)) + lstyle = 0; + else if (isalpha(*p) && *p != toupper(*p)) + lstyle = 0; + p++; + pos++; + } + if (lstyle && *p == ';') + { + if (pos == 0 || pos == (toklen[0]-1)) + lstyle = 0; + for (pos++;lstyle && pos < toklen[0];pos++) + { + if (!isdigit(tokens[0][pos])) + lstyle = 0; + } + } + pos = (p - tokens[0]); /* => fnlength sans ";####" */ + pos -= tokmarker; /* => fnlength sans "[DIR1.DIR2.etc]" */ + p = &(tokens[0][tokmarker]); /* offset of basename */ + + if (!lstyle || pos == 0 || pos > 80) /* VMS filenames can't be longer than that */ + { + lstyle = 0; + } + else if (numtoks == 1) + { + /* if VMS has been detected and there is only one token and that + * token was a VMS filename then this is a multiline VMS LIST entry. + */ + if (pos >= (sizeof(state->carry_buf)-1)) + pos = (sizeof(state->carry_buf)-1); /* shouldn't happen */ + memcpy( state->carry_buf, p, pos ); + state->carry_buf_len = pos; + return '?'; /* tell caller to treat as junk */ + } + else if (isdigit(*tokens[1])) /* not no-privs message */ + { + for (pos = 0; lstyle && pos < (toklen[1]); pos++) + { + if (!isdigit((tokens[1][pos])) && (tokens[1][pos]) != '/') + lstyle = 0; + } + if (lstyle && numtoks > 4) /* Multinet or UCX but not CMU */ + { + for (pos = 1; lstyle && pos < (toklen[5]-1); pos++) + { + p = &(tokens[5][pos]); + if (*p!='R' && *p!='W' && *p!='E' && *p!='D' && *p!=',') + lstyle = 0; + } + } + } + } /* passed initial tests */ + } /* else if ((tokens[0][toklen[0]-1]) != ';') */ + + if (lstyle == 'V') + { + state->parsed_one = 1; + state->lstyle = lstyle; + + if (isdigit(*tokens[1])) /* not permission denied etc */ + { + /* strip leading directory name */ + if (*tokens[0] == '[') /* CMU server */ + { + pos = toklen[0]-1; + p = tokens[0]+1; + while (*p != ']') + { + p++; + pos--; + } + toklen[0] = --pos; + tokens[0] = ++p; + } + pos = 0; + while (pos < toklen[0] && (tokens[0][pos]) != ';') + pos++; + + result->fe_cinfs = 1; + result->fe_type = 'f'; + result->fe_fname = tokens[0]; + result->fe_fnlen = pos; + + if (pos > 4) + { + p = &(tokens[0][pos-4]); + if (p[0] == '.' && p[1] == 'D' && p[2] == 'I' && p[3] == 'R') + { + result->fe_fnlen -= 4; + result->fe_type = 'd'; + } + } + + if (result->fe_type != 'd') + { + /* #### or used/allocated form. If used/allocated form, then + * 'used' is the size in bytes if and only if 'used'<=allocated. + * If 'used' is size in bytes then it can be > 2^32 + * If 'used' is not size in bytes then it is size in blocks. + */ + pos = 0; + while (pos < toklen[1] && (tokens[1][pos]) != '/') + pos++; + +/* + * I've never seen size come back in bytes, its always in blocks, and + * the following test fails. So, always perform the "size in blocks". + * I'm leaving the "size in bytes" code if'd out in case we ever need + * to re-instate it. +*/ +#if 0 + if (pos < toklen[1] && ( (pos<<1) > (toklen[1]-1) || + (strtoul(tokens[1], (char **)0, 10) > + strtoul(tokens[1]+pos+1, (char **)0, 10)) )) + { /* size is in bytes */ + if (pos > (sizeof(result->fe_size)-1)) + pos = sizeof(result->fe_size)-1; + memcpy( result->fe_size, tokens[1], pos ); + result->fe_size[pos] = '\0'; + } + else /* size is in blocks */ +#endif + { + /* size requires multiplication by blocksize. + * + * We could assume blocksize is 512 (like Lynx does) and + * shift by 9, but that might not be right. Even if it + * were, doing that wouldn't reflect what the file's + * real size was. The sanest thing to do is not use the + * LISTing's filesize, so we won't (like ftpmirror). + * + * ulltoa(((unsigned long long)fsz)<<9, result->fe_size, 10); + * + * A block is always 512 bytes on OpenVMS, compute size. + * So its rounded up to the next block, so what, its better + * than not showing the size at all. + * A block is always 512 bytes on OpenVMS, compute size. + * So its rounded up to the next block, so what, its better + * than not showing the size at all. + */ + uint64_t fsz = uint64_t(strtoul(tokens[1], (char **)0, 10) * 512); + SprintfLiteral(result->fe_size, "%" PRId64, fsz); + } + + } /* if (result->fe_type != 'd') */ + + p = tokens[2] + 2; + if (*p == '-') + p++; + tbuf[0] = p[0]; + tbuf[1] = tolower(p[1]); + tbuf[2] = tolower(p[2]); + month_num = 0; + for (pos = 0; pos < (12*3); pos+=3) + { + if (tbuf[0] == month_names[pos+0] && + tbuf[1] == month_names[pos+1] && + tbuf[2] == month_names[pos+2]) + break; + month_num++; + } + if (month_num >= 12) + month_num = 0; + result->fe_time.tm_month = month_num; + result->fe_time.tm_mday = atoi(tokens[2]); + result->fe_time.tm_year = atoi(p+4); // NSPR wants year as XXXX + + p = tokens[3] + 2; + if (*p == ':') + p++; + if (p[2] == ':') + result->fe_time.tm_sec = atoi(p+3); + result->fe_time.tm_hour = atoi(tokens[3]); + result->fe_time.tm_min = atoi(p); + + return result->fe_type; + + } /* if (isdigit(*tokens[1])) */ + + return '?'; /* junk */ + + } /* if (lstyle == 'V') */ + } /* if (!lstyle && (!state->lstyle || state->lstyle == 'V')) */ +#endif + + /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ + +#if defined(SUPPORT_CMS) + /* Virtual Machine/Conversational Monitor System (IBM Mainframe) */ + if (!lstyle && (!state->lstyle || state->lstyle == 'C')) /* VM/CMS */ + { + /* LISTing according to mirror.pl + * Filename FileType Fm Format Lrecl Records Blocks Date Time + * LASTING GLOBALV A1 V 41 21 1 9/16/91 15:10:32 + * J43401 NETLOG A0 V 77 1 1 9/12/91 12:36:04 + * PROFILE EXEC A1 V 17 3 1 9/12/91 12:39:07 + * DIRUNIX SCRIPT A1 V 77 1216 17 1/04/93 20:30:47 + * MAIL PROFILE A2 F 80 1 1 10/14/92 16:12:27 + * BADY2K TEXT A0 V 1 1 1 1/03/102 10:11:12 + * AUTHORS A1 DIR - - - 9/20/99 10:31:11 + * + * LISTing from vm.marist.edu and vm.sc.edu + * 220-FTPSERVE IBM VM Level 420 at VM.MARIST.EDU, 04:58:12 EDT WEDNESDAY 2002-07-10 + * AUTHORS DIR - - - 1999-09-20 10:31:11 - + * HARRINGTON DIR - - - 1997-02-12 15:33:28 - + * PICS DIR - - - 2000-10-12 15:43:23 - + * SYSFILE DIR - - - 2000-07-20 17:48:01 - + * WELCNVT EXEC V 72 9 1 1999-09-20 17:16:18 - + * WELCOME EREADME F 80 21 1 1999-12-27 16:19:00 - + * WELCOME README V 82 21 1 1999-12-27 16:19:04 - + * README ANONYMOU V 71 26 1 1997-04-02 12:33:20 TCP291 + * README ANONYOLD V 71 15 1 1995-08-25 16:04:27 TCP291 + */ + if (numtoks >= 7 && (toklen[0]+toklen[1]) <= 16) + { + for (pos = 1; !lstyle && (pos+5) < numtoks; pos++) + { + p = tokens[pos]; + if ((toklen[pos] == 1 && (*p == 'F' || *p == 'V')) || + (toklen[pos] == 3 && *p == 'D' && p[1] == 'I' && p[2] == 'R')) + { + if (toklen[pos+5] == 8 && (tokens[pos+5][2]) == ':' && + (tokens[pos+5][5]) == ':' ) + { + p = tokens[pos+4]; + if ((toklen[pos+4] == 10 && p[4] == '-' && p[7] == '-') || + (toklen[pos+4] >= 7 && toklen[pos+4] <= 9 && + p[((p[1]!='/')?(2):(1))] == '/' && + p[((p[1]!='/')?(5):(4))] == '/')) + /* Y2K bugs possible ("7/06/102" or "13/02/101") */ + { + if ( (*tokens[pos+1] == '-' && + *tokens[pos+2] == '-' && + *tokens[pos+3] == '-') || + (isdigit(*tokens[pos+1]) && + isdigit(*tokens[pos+2]) && + isdigit(*tokens[pos+3])) ) + { + lstyle = 'C'; + tokmarker = pos; + } + } + } + } + } /* for (pos = 1; !lstyle && (pos+5) < numtoks; pos++) */ + } /* if (numtoks >= 7) */ + + /* extra checking if first pass */ + if (lstyle && !state->lstyle) + { + for (pos = 0, p = tokens[0]; lstyle && pos < toklen[0]; pos++, p++) + { + if (isalpha(*p) && toupper(*p) != *p) + lstyle = 0; + } + for (pos = tokmarker+1; pos <= tokmarker+3; pos++) + { + if (!(toklen[pos] == 1 && *tokens[pos] == '-')) + { + for (p = tokens[pos]; lstyle && p<(tokens[pos]+toklen[pos]); p++) + { + if (!isdigit(*p)) + lstyle = 0; + } + } + } + for (pos = 0, p = tokens[tokmarker+4]; + lstyle && pos < toklen[tokmarker+4]; pos++, p++) + { + if (*p == '/') + { + /* There may be Y2K bugs in the date. Don't simplify to + * pos != (len-3) && pos != (len-6) like time is done. + */ + if ((tokens[tokmarker+4][1]) == '/') + { + if (pos != 1 && pos != 4) + lstyle = 0; + } + else if (pos != 2 && pos != 5) + lstyle = 0; + } + else if (*p != '-' && !isdigit(*p)) + lstyle = 0; + else if (*p == '-' && pos != 4 && pos != 7) + lstyle = 0; + } + for (pos = 0, p = tokens[tokmarker+5]; + lstyle && pos < toklen[tokmarker+5]; pos++, p++) + { + if (*p != ':' && !isdigit(*p)) + lstyle = 0; + else if (*p == ':' && pos != (toklen[tokmarker+5]-3) + && pos != (toklen[tokmarker+5]-6)) + lstyle = 0; + } + } /* initial if() */ + + if (lstyle == 'C') + { + state->parsed_one = 1; + state->lstyle = lstyle; + + p = tokens[tokmarker+4]; + if (toklen[tokmarker+4] == 10) /* newstyle: YYYY-MM-DD format */ + { + result->fe_time.tm_year = atoi(p+0) - 1900; + result->fe_time.tm_month = atoi(p+5) - 1; + result->fe_time.tm_mday = atoi(p+8); + } + else /* oldstyle: [M]M/DD/YY format */ + { + pos = toklen[tokmarker+4]; + result->fe_time.tm_month = atoi(p) - 1; + result->fe_time.tm_mday = atoi((p+pos)-5); + result->fe_time.tm_year = atoi((p+pos)-2); + if (result->fe_time.tm_year < 70) + result->fe_time.tm_year += 100; + } + + p = tokens[tokmarker+5]; + pos = toklen[tokmarker+5]; + result->fe_time.tm_hour = atoi(p); + result->fe_time.tm_min = atoi((p+pos)-5); + result->fe_time.tm_sec = atoi((p+pos)-2); + + result->fe_cinfs = 1; + result->fe_fname = tokens[0]; + result->fe_fnlen = toklen[0]; + result->fe_type = 'f'; + + p = tokens[tokmarker]; + if (toklen[tokmarker] == 3 && *p=='D' && p[1]=='I' && p[2]=='R') + result->fe_type = 'd'; + + if ((/*newstyle*/ toklen[tokmarker+4] == 10 && tokmarker > 1) || + (/*oldstyle*/ toklen[tokmarker+4] != 10 && tokmarker > 2)) + { /* have a filetype column */ + char *dot; + p = &(tokens[0][toklen[0]]); + memcpy( &dot, &p, sizeof(dot) ); /* NASTY! */ + *dot++ = '.'; + p = tokens[1]; + for (pos = 0; pos < toklen[1]; pos++) + *dot++ = *p++; + result->fe_fnlen += 1 + toklen[1]; + } + + /* oldstyle LISTING: + * files/dirs not on the 'A' minidisk are not RETRievable/CHDIRable + if (toklen[tokmarker+4] != 10 && *tokens[tokmarker-1] != 'A') + return '?'; + */ + + /* VM/CMS LISTings have no usable filesize field. + * Have to use the 'SIZE' command for that. + */ + return result->fe_type; + + } /* if (lstyle == 'C' && (!state->lstyle || state->lstyle == lstyle)) */ + } /* VM/CMS */ +#endif + + /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ + +#if defined(SUPPORT_DOS) /* WinNT DOS dirstyle */ + if (!lstyle && (!state->lstyle || state->lstyle == 'W')) + { + /* + * "10-23-00 01:27PM <DIR> veronist" + * "06-15-00 07:37AM <DIR> zoe" + * "07-14-00 01:35PM 2094926 canprankdesk.tif" + * "07-21-00 01:19PM 95077 Jon Kauffman Enjoys the Good Life.jpg" + * "07-21-00 01:19PM 52275 Name Plate.jpg" + * "07-14-00 01:38PM 2250540 Valentineoffprank-HiRes.jpg" + */ + // Microsoft FTP server with FtpDirBrowseShowLongDate set returns year + // in 4-digit format: + // "10-10-2014 10:10AM <DIR> FTP" + // Windows CE FTP server returns time in 24-hour format: + // "05-03-13 22:01 <DIR> APPS" + if ((numtoks >= 4) && (toklen[0] == 8 || toklen[0] == 10) && + (toklen[1] == 5 || toklen[1] == 7) && + (*tokens[2] == '<' || isdigit(*tokens[2])) ) + { + p = tokens[0]; + if ( isdigit(p[0]) && isdigit(p[1]) && p[2]=='-' && + isdigit(p[3]) && isdigit(p[4]) && p[5]=='-' && + isdigit(p[6]) && isdigit(p[7]) ) + { + p = tokens[1]; + if ( isdigit(p[0]) && isdigit(p[1]) && p[2]==':' && + isdigit(p[3]) && isdigit(p[4]) && + (toklen[1] == 5 || (toklen[1] == 7 && + (p[5]=='A' || p[5]=='P') && p[6]=='M'))) + { + lstyle = 'W'; + if (!state->lstyle) + { + p = tokens[2]; + /* <DIR> or <JUNCTION> */ + if (*p != '<' || p[toklen[2]-1] != '>') + { + for (pos = 1; (lstyle && pos < toklen[2]); pos++) + { + if (!isdigit(*++p)) + lstyle = 0; + } + } + } + } + } + } + + if (lstyle == 'W') + { + state->parsed_one = 1; + state->lstyle = lstyle; + + p = &(line[linelen]); /* line end */ + result->fe_cinfs = 1; + result->fe_fname = tokens[3]; + result->fe_fnlen = p - tokens[3]; + result->fe_type = 'd'; + + if (*tokens[2] != '<') /* not <DIR> or <JUNCTION> */ + { + // try to handle correctly spaces at the beginning of the filename + // filesize (token[2]) must end at offset 38 + if (tokens[2] + toklen[2] - line == 38) { + result->fe_fname = &(line[39]); + result->fe_fnlen = p - result->fe_fname; + } + result->fe_type = 'f'; + pos = toklen[2]; + while (pos > (sizeof(result->fe_size)-1)) + pos = (sizeof(result->fe_size)-1); + memcpy( result->fe_size, tokens[2], pos ); + result->fe_size[pos] = '\0'; + } + else { + // try to handle correctly spaces at the beginning of the filename + // token[2] must begin at offset 24, the length is 5 or 10 + // token[3] must begin at offset 39 or higher + if (tokens[2] - line == 24 && (toklen[2] == 5 || toklen[2] == 10) && + tokens[3] - line >= 39) { + result->fe_fname = &(line[39]); + result->fe_fnlen = p - result->fe_fname; + } + + if ((tokens[2][1]) != 'D') /* not <DIR> */ + { + result->fe_type = '?'; /* unknown until junc for sure */ + if (result->fe_fnlen > 4) + { + p = result->fe_fname; + for (pos = result->fe_fnlen - 4; pos > 0; pos--) + { + if (p[0] == ' ' && p[3] == ' ' && p[2] == '>' && + (p[1] == '=' || p[1] == '-')) + { + result->fe_type = 'l'; + result->fe_fnlen = p - result->fe_fname; + result->fe_lname = p + 4; + result->fe_lnlen = &(line[linelen]) + - result->fe_lname; + break; + } + p++; + } + } + } + } + + result->fe_time.tm_month = atoi(tokens[0]+0); + if (result->fe_time.tm_month != 0) + { + result->fe_time.tm_month--; + result->fe_time.tm_mday = atoi(tokens[0]+3); + result->fe_time.tm_year = atoi(tokens[0]+6); + /* if year has only two digits then assume that + 00-79 is 2000-2079 + 80-99 is 1980-1999 */ + if (result->fe_time.tm_year < 80) + result->fe_time.tm_year += 2000; + else if (result->fe_time.tm_year < 100) + result->fe_time.tm_year += 1900; + } + + result->fe_time.tm_hour = atoi(tokens[1]+0); + result->fe_time.tm_min = atoi(tokens[1]+3); + if (toklen[1] == 7) + { + if ((tokens[1][5]) == 'P' && result->fe_time.tm_hour < 12) + result->fe_time.tm_hour += 12; + else if ((tokens[1][5]) == 'A' && result->fe_time.tm_hour == 12) + result->fe_time.tm_hour = 0; + } + + /* the caller should do this (if dropping "." and ".." is desired) + if (result->fe_type == 'd' && result->fe_fname[0] == '.' && + (result->fe_fnlen == 1 || (result->fe_fnlen == 2 && + result->fe_fname[1] == '.'))) + return '?'; + */ + + return result->fe_type; + } /* if (lstyle == 'W' && (!state->lstyle || state->lstyle == lstyle)) */ + } /* if (!lstyle && (!state->lstyle || state->lstyle == 'W')) */ +#endif + + /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ + +#if defined(SUPPORT_OS2) + if (!lstyle && (!state->lstyle || state->lstyle == 'O')) /* OS/2 test */ + { + /* 220 server IBM TCP/IP for OS/2 - FTP Server ver 23:04:36 on Jan 15 1997 ready. + * fixed position, space padded columns. I have only a vague idea + * of what the contents between col 18 and 34 might be: All I can infer + * is that there may be attribute flags in there and there may be + * a " DIR" in there. + * + * 1 2 3 4 5 6 + *0123456789012345678901234567890123456789012345678901234567890123456789 + *----- size -------|??????????????? MM-DD-YY| HH:MM| nnnnnnnnn.... + * 0 DIR 04-11-95 16:26 . + * 0 DIR 04-11-95 16:26 .. + * 0 DIR 04-11-95 16:26 ADDRESS + * 612 RHSA 07-28-95 16:45 air_tra1.bag + * 195 A 08-09-95 10:23 Alfa1.bag + * 0 RHS DIR 04-11-95 16:26 ATTACH + * 372 A 08-09-95 10:26 Aussie_1.bag + * 310992 06-28-94 09:56 INSTALL.EXE + * 1 2 3 4 + * 01234567890123456789012345678901234567890123456789 + * dirlist from the mirror.pl project, col positions from Mozilla. + */ + p = &(line[toklen[0]]); + /* \s(\d\d-\d\d-\d\d)\s+(\d\d:\d\d)\s */ + if (numtoks >= 4 && toklen[0] <= 18 && isdigit(*tokens[0]) && + (linelen - toklen[0]) >= (53-18) && + p[18-18] == ' ' && p[34-18] == ' ' && + p[37-18] == '-' && p[40-18] == '-' && p[43-18] == ' ' && + p[45-18] == ' ' && p[48-18] == ':' && p[51-18] == ' ' && + isdigit(p[35-18]) && isdigit(p[36-18]) && + isdigit(p[38-18]) && isdigit(p[39-18]) && + isdigit(p[41-18]) && isdigit(p[42-18]) && + isdigit(p[46-18]) && isdigit(p[47-18]) && + isdigit(p[49-18]) && isdigit(p[50-18]) + ) + { + lstyle = 'O'; /* OS/2 */ + if (!state->lstyle) + { + for (pos = 1; lstyle && pos < toklen[0]; pos++) + { + if (!isdigit(tokens[0][pos])) + lstyle = 0; + } + } + } + + if (lstyle == 'O') + { + state->parsed_one = 1; + state->lstyle = lstyle; + + p = &(line[toklen[0]]); + + result->fe_cinfs = 1; + result->fe_fname = &p[53-18]; + result->fe_fnlen = (&(line[linelen_sans_wsp])) + - (result->fe_fname); + result->fe_type = 'f'; + + /* I don't have a real listing to determine exact pos, so scan. */ + for (pos = (18-18); pos < ((35-18)-4); pos++) + { + if (p[pos+0] == ' ' && p[pos+1] == 'D' && + p[pos+2] == 'I' && p[pos+3] == 'R') + { + result->fe_type = 'd'; + break; + } + } + + if (result->fe_type != 'd') + { + pos = toklen[0]; + if (pos > (sizeof(result->fe_size)-1)) + pos = (sizeof(result->fe_size)-1); + memcpy( result->fe_size, tokens[0], pos ); + result->fe_size[pos] = '\0'; + } + + result->fe_time.tm_month = atoi(&p[35-18]) - 1; + result->fe_time.tm_mday = atoi(&p[38-18]); + result->fe_time.tm_year = atoi(&p[41-18]); + if (result->fe_time.tm_year < 80) + result->fe_time.tm_year += 100; + result->fe_time.tm_hour = atoi(&p[46-18]); + result->fe_time.tm_min = atoi(&p[49-18]); + + /* the caller should do this (if dropping "." and ".." is desired) + if (result->fe_type == 'd' && result->fe_fname[0] == '.' && + (result->fe_fnlen == 1 || (result->fe_fnlen == 2 && + result->fe_fname[1] == '.'))) + return '?'; + */ + + return result->fe_type; + } /* if (lstyle == 'O') */ + + } /* if (!lstyle && (!state->lstyle || state->lstyle == 'O')) */ +#endif + + /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ + +#if defined(SUPPORT_LSL) + if (!lstyle && (!state->lstyle || state->lstyle == 'U')) /* /bin/ls & co. */ + { + /* UNIX-style listing, without inum and without blocks + * "-rw-r--r-- 1 root other 531 Jan 29 03:26 README" + * "dr-xr-xr-x 2 root other 512 Apr 8 1994 etc" + * "dr-xr-xr-x 2 root 512 Apr 8 1994 etc" + * "lrwxrwxrwx 1 root other 7 Jan 25 00:17 bin -> usr/bin" + * Also produced by Microsoft's FTP servers for Windows: + * "---------- 1 owner group 1803128 Jul 10 10:18 ls-lR.Z" + * "d--------- 1 owner group 0 May 9 19:45 Softlib" + * Also WFTPD for MSDOS: + * "-rwxrwxrwx 1 noone nogroup 322 Aug 19 1996 message.ftp" + * Hellsoft for NetWare: + * "d[RWCEMFA] supervisor 512 Jan 16 18:53 login" + * "-[RWCEMFA] rhesus 214059 Oct 20 15:27 cx.exe" + * Newer Hellsoft for NetWare: (netlab2.usu.edu) + * - [RWCEAFMS] NFAUUser 192 Apr 27 15:21 HEADER.html + * d [RWCEAFMS] jrd 512 Jul 11 03:01 allupdates + * Also NetPresenz for the Mac: + * "-------r-- 326 1391972 1392298 Nov 22 1995 MegaPhone.sit" + * "drwxrwxr-x folder 2 May 10 1996 network" + * Protected directory: + * "drwx-wx-wt 2 root wheel 512 Jul 1 02:15 incoming" + * uid/gid instead of username/groupname: + * "drwxr-xr-x 2 0 0 512 May 28 22:17 etc" + */ + + bool is_old_Hellsoft = false; + + if (numtoks >= 6) + { + /* there are two perm formats (Hellsoft/NetWare and *IX strmode(3)). + * Scan for size column only if the perm format is one or the other. + */ + if (toklen[0] == 1 || (tokens[0][1]) == '[') + { + if (*tokens[0] == 'd' || *tokens[0] == '-') + { + pos = toklen[0]-1; + p = tokens[0] + 1; + if (pos == 0) + { + p = tokens[1]; + pos = toklen[1]; + } + if ((pos == 9 || pos == 10) && + (*p == '[' && p[pos-1] == ']') && + (p[1] == 'R' || p[1] == '-') && + (p[2] == 'W' || p[2] == '-') && + (p[3] == 'C' || p[3] == '-') && + (p[4] == 'E' || p[4] == '-')) + { + /* rest is FMA[S] or AFM[S] */ + lstyle = 'U'; /* very likely one of the NetWare servers */ + if (toklen[0] == 10) + is_old_Hellsoft = true; + } + } + } + else if ((toklen[0] == 10 || toklen[0] == 11) + && strchr("-bcdlpsw?DFam", *tokens[0])) + { + p = &(tokens[0][1]); + if ((p[0] == 'r' || p[0] == '-') && + (p[1] == 'w' || p[1] == '-') && + (p[3] == 'r' || p[3] == '-') && + (p[4] == 'w' || p[4] == '-') && + (p[6] == 'r' || p[6] == '-') && + (p[7] == 'w' || p[7] == '-')) + /* 'x'/p[9] can be S|s|x|-|T|t or implementation specific */ + { + lstyle = 'U'; /* very likely /bin/ls */ + } + } + } + if (lstyle == 'U') /* first token checks out */ + { + lstyle = 0; + for (pos = (numtoks-5); !lstyle && pos > 1; pos--) + { + /* scan for: (\d+)\s+([A-Z][a-z][a-z])\s+ + * (\d\d\d\d|\d\:\d\d|\d\d\:\d\d|\d\:\d\d\:\d\d|\d\d\:\d\d\:\d\d) + * \s+(.+)$ + */ + if (isdigit(*tokens[pos]) /* size */ + /* (\w\w\w) */ + && toklen[pos+1] == 3 && isalpha(*tokens[pos+1]) && + isalpha(tokens[pos+1][1]) && isalpha(tokens[pos+1][2]) + /* (\d|\d\d) */ + && isdigit(*tokens[pos+2]) && + (toklen[pos+2] == 1 || + (toklen[pos+2] == 2 && isdigit(tokens[pos+2][1]))) + && toklen[pos+3] >= 4 && isdigit(*tokens[pos+3]) + /* (\d\:\d\d\:\d\d|\d\d\:\d\d\:\d\d) */ + && (toklen[pos+3] <= 5 || ( + (toklen[pos+3] == 7 || toklen[pos+3] == 8) && + (tokens[pos+3][toklen[pos+3]-3]) == ':')) + && isdigit(tokens[pos+3][toklen[pos+3]-2]) + && isdigit(tokens[pos+3][toklen[pos+3]-1]) + && ( + /* (\d\d\d\d) */ + ((toklen[pos+3] == 4 || toklen[pos+3] == 5) && + isdigit(tokens[pos+3][1]) && + isdigit(tokens[pos+3][2]) ) + /* (\d\:\d\d|\d\:\d\d\:\d\d) */ + || ((toklen[pos+3] == 4 || toklen[pos+3] == 7) && + (tokens[pos+3][1]) == ':' && + isdigit(tokens[pos+3][2]) && isdigit(tokens[pos+3][3])) + /* (\d\d\:\d\d|\d\d\:\d\d\:\d\d) */ + || ((toklen[pos+3] == 5 || toklen[pos+3] == 8) && + isdigit(tokens[pos+3][1]) && (tokens[pos+3][2]) == ':' && + isdigit(tokens[pos+3][3]) && isdigit(tokens[pos+3][4])) + ) + ) + { + lstyle = 'U'; /* assume /bin/ls or variant format */ + tokmarker = pos; + + /* check that size is numeric */ + p = tokens[tokmarker]; + unsigned int i; + for (i = 0; i < toklen[tokmarker]; i++) + { + if (!isdigit(*p++)) + { + lstyle = 0; + break; + } + } + if (lstyle) + { + month_num = 0; + p = tokens[tokmarker+1]; + for (i = 0; i < (12*3); i+=3) + { + if (p[0] == month_names[i+0] && + p[1] == month_names[i+1] && + p[2] == month_names[i+2]) + break; + month_num++; + } + if (month_num >= 12) + lstyle = 0; + } + } /* relative position test */ + } /* for (pos = (numtoks-5); !lstyle && pos > 1; pos--) */ + } /* if (lstyle == 'U') */ + + if (lstyle == 'U') + { + state->parsed_one = 1; + state->lstyle = lstyle; + + result->fe_cinfs = 0; + result->fe_type = '?'; + if (*tokens[0] == 'd' || *tokens[0] == 'l') + result->fe_type = *tokens[0]; + else if (*tokens[0] == 'D') + result->fe_type = 'd'; + else if (*tokens[0] == '-' || *tokens[0] == 'F') + result->fe_type = 'f'; /* (hopefully a regular file) */ + + if (result->fe_type != 'd') + { + pos = toklen[tokmarker]; + if (pos > (sizeof(result->fe_size)-1)) + pos = (sizeof(result->fe_size)-1); + memcpy( result->fe_size, tokens[tokmarker], pos ); + result->fe_size[pos] = '\0'; + } + + result->fe_time.tm_month = month_num; + result->fe_time.tm_mday = atoi(tokens[tokmarker+2]); + if (result->fe_time.tm_mday == 0) + result->fe_time.tm_mday++; + + p = tokens[tokmarker+3]; + pos = (unsigned int)atoi(p); + if (p[1] == ':') /* one digit hour */ + p--; + if (p[2] != ':') /* year */ + { + result->fe_time.tm_year = pos; + } + else + { + result->fe_time.tm_hour = pos; + result->fe_time.tm_min = atoi(p+3); + if (p[5] == ':') + result->fe_time.tm_sec = atoi(p+6); + + if (!state->now_time) + { + state->now_time = PR_Now(); + PR_ExplodeTime((state->now_time), PR_LocalTimeParameters, &(state->now_tm) ); + } + + result->fe_time.tm_year = state->now_tm.tm_year; + if ( (( state->now_tm.tm_month << 5) + state->now_tm.tm_mday) < + ((result->fe_time.tm_month << 5) + result->fe_time.tm_mday) ) + result->fe_time.tm_year--; + + } /* time/year */ + + // The length of the whole date string should be 12. On AIX the length + // is only 11 when the year is present in the date string and there is + // 1 padding space at the end of the string. In both cases the filename + // starts at offset 13 from the start of the date string. + // Don't care about leading spaces when the date string has different + // format or when old Hellsoft output was detected. + { + const char *date_start = tokens[tokmarker+1]; + const char *date_end = tokens[tokmarker+3] + toklen[tokmarker+3]; + if (!is_old_Hellsoft && ((date_end - date_start) == 12 || + ((date_end - date_start) == 11 && date_end[1] == ' '))) + result->fe_fname = date_start + 13; + else + result->fe_fname = tokens[tokmarker+4]; + } + + result->fe_fnlen = (&(line[linelen])) + - (result->fe_fname); + + if (result->fe_type == 'l' && result->fe_fnlen > 4) + { + /* First try to use result->fe_size to find " -> " sequence. + This can give proper result for cases like "aaa -> bbb -> ccc". */ + uint32_t fe_size = atoi(result->fe_size); + + if (result->fe_fnlen > (fe_size + 4) && + PL_strncmp(result->fe_fname + result->fe_fnlen - fe_size - 4 , " -> ", 4) == 0) + { + result->fe_lname = result->fe_fname + (result->fe_fnlen - fe_size); + result->fe_lnlen = (&(line[linelen])) - (result->fe_lname); + result->fe_fnlen -= fe_size + 4; + } + else + { + /* Search for sequence " -> " from the end for case when there are + more occurrences. F.e. if ftpd returns "a -> b -> c" assume + "a -> b" as a name. Powerusers can remove unnecessary parts + manually but there is no way to follow the link when some + essential part is missing. */ + p = result->fe_fname + (result->fe_fnlen - 5); + for (pos = (result->fe_fnlen - 5); pos > 0; pos--) + { + if (PL_strncmp(p, " -> ", 4) == 0) + { + result->fe_lname = p + 4; + result->fe_lnlen = (&(line[linelen])) + - (result->fe_lname); + result->fe_fnlen = pos; + break; + } + p--; + } + } + } + +#if defined(SUPPORT_LSLF) /* some (very rare) servers return ls -lF */ + if (result->fe_fnlen > 1) + { + p = result->fe_fname[result->fe_fnlen-1]; + pos = result->fe_type; + if (pos == 'd') { + if (*p == '/') result->fe_fnlen--; /* directory */ + } else if (pos == 'l') { + if (*p == '@') result->fe_fnlen--; /* symlink */ + } else if (pos == 'f') { + if (*p == '*') result->fe_fnlen--; /* executable */ + } else if (*p == '=' || *p == '%' || *p == '|') { + result->fe_fnlen--; /* socket, whiteout, fifo */ + } + } +#endif + + /* the caller should do this (if dropping "." and ".." is desired) + if (result->fe_type == 'd' && result->fe_fname[0] == '.' && + (result->fe_fnlen == 1 || (result->fe_fnlen == 2 && + result->fe_fname[1] == '.'))) + return '?'; + */ + + return result->fe_type; + + } /* if (lstyle == 'U') */ + + } /* if (!lstyle && (!state->lstyle || state->lstyle == 'U')) */ +#endif + + /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ + +#if defined(SUPPORT_W16) /* 16bit Windows */ + if (!lstyle && (!state->lstyle || state->lstyle == 'w')) + { /* old SuperTCP suite FTP server for Win3.1 */ + /* old NetManage Chameleon TCP/IP suite FTP server for Win3.1 */ + /* + * SuperTCP dirlist from the mirror.pl project + * mon/day/year separator may be '/' or '-'. + * . <DIR> 11-16-94 17:16 + * .. <DIR> 11-16-94 17:16 + * INSTALL <DIR> 11-16-94 17:17 + * CMT <DIR> 11-21-94 10:17 + * DESIGN1.DOC 11264 05-11-95 14:20 + * README.TXT 1045 05-10-95 11:01 + * WPKIT1.EXE 960338 06-21-95 17:01 + * CMT.CSV 0 07-06-95 14:56 + * + * Chameleon dirlist guessed from lynx + * . <DIR> Nov 16 1994 17:16 + * .. <DIR> Nov 16 1994 17:16 + * INSTALL <DIR> Nov 16 1994 17:17 + * CMT <DIR> Nov 21 1994 10:17 + * DESIGN1.DOC 11264 May 11 1995 14:20 A + * README.TXT 1045 May 10 1995 11:01 + * WPKIT1.EXE 960338 Jun 21 1995 17:01 R + * CMT.CSV 0 Jul 06 1995 14:56 RHA + */ + if (numtoks >= 4 && toklen[0] < 13 && + ((toklen[1] == 5 && *tokens[1] == '<') || isdigit(*tokens[1])) ) + { + if (numtoks == 4 + && (toklen[2] == 8 || toklen[2] == 9) + && (((tokens[2][2]) == '/' && (tokens[2][5]) == '/') || + ((tokens[2][2]) == '-' && (tokens[2][5]) == '-')) + && (toklen[3] == 4 || toklen[3] == 5) + && (tokens[3][toklen[3]-3]) == ':' + && isdigit(tokens[2][0]) && isdigit(tokens[2][1]) + && isdigit(tokens[2][3]) && isdigit(tokens[2][4]) + && isdigit(tokens[2][6]) && isdigit(tokens[2][7]) + && (toklen[2] < 9 || isdigit(tokens[2][8])) + && isdigit(tokens[3][toklen[3]-1]) && isdigit(tokens[3][toklen[3]-2]) + && isdigit(tokens[3][toklen[3]-4]) && isdigit(*tokens[3]) + ) + { + lstyle = 'w'; + } + else if ((numtoks == 6 || numtoks == 7) + && toklen[2] == 3 && toklen[3] == 2 + && toklen[4] == 4 && toklen[5] == 5 + && (tokens[5][2]) == ':' + && isalpha(tokens[2][0]) && isalpha(tokens[2][1]) + && isalpha(tokens[2][2]) + && isdigit(tokens[3][0]) && isdigit(tokens[3][1]) + && isdigit(tokens[4][0]) && isdigit(tokens[4][1]) + && isdigit(tokens[4][2]) && isdigit(tokens[4][3]) + && isdigit(tokens[5][0]) && isdigit(tokens[5][1]) + && isdigit(tokens[5][3]) && isdigit(tokens[5][4]) + /* could also check that (&(tokens[5][5]) - tokens[2]) == 17 */ + ) + { + lstyle = 'w'; + } + if (lstyle && state->lstyle != lstyle) /* first time */ + { + p = tokens[1]; + if (toklen[1] != 5 || p[0] != '<' || p[1] != 'D' || + p[2] != 'I' || p[3] != 'R' || p[4] != '>') + { + for (pos = 0; lstyle && pos < toklen[1]; pos++) + { + if (!isdigit(*p++)) + lstyle = 0; + } + } /* not <DIR> */ + } /* if (first time) */ + } /* if (numtoks == ...) */ + + if (lstyle == 'w') + { + state->parsed_one = 1; + state->lstyle = lstyle; + + result->fe_cinfs = 1; + result->fe_fname = tokens[0]; + result->fe_fnlen = toklen[0]; + result->fe_type = 'd'; + + p = tokens[1]; + if (isdigit(*p)) + { + result->fe_type = 'f'; + pos = toklen[1]; + if (pos > (sizeof(result->fe_size)-1)) + pos = sizeof(result->fe_size)-1; + memcpy( result->fe_size, p, pos ); + result->fe_size[pos] = '\0'; + } + + p = tokens[2]; + if (toklen[2] == 3) /* Chameleon */ + { + tbuf[0] = toupper(p[0]); + tbuf[1] = tolower(p[1]); + tbuf[2] = tolower(p[2]); + for (pos = 0; pos < (12*3); pos+=3) + { + if (tbuf[0] == month_names[pos+0] && + tbuf[1] == month_names[pos+1] && + tbuf[2] == month_names[pos+2]) + { + result->fe_time.tm_month = pos/3; + result->fe_time.tm_mday = atoi(tokens[3]); + result->fe_time.tm_year = atoi(tokens[4]) - 1900; + break; + } + } + pos = 5; /* Chameleon toknum of date field */ + } + else + { + result->fe_time.tm_month = atoi(p+0)-1; + result->fe_time.tm_mday = atoi(p+3); + result->fe_time.tm_year = atoi(p+6); + if (result->fe_time.tm_year < 80) /* SuperTCP */ + result->fe_time.tm_year += 100; + + pos = 3; /* SuperTCP toknum of date field */ + } + + result->fe_time.tm_hour = atoi(tokens[pos]); + result->fe_time.tm_min = atoi(&(tokens[pos][toklen[pos]-2])); + + /* the caller should do this (if dropping "." and ".." is desired) + if (result->fe_type == 'd' && result->fe_fname[0] == '.' && + (result->fe_fnlen == 1 || (result->fe_fnlen == 2 && + result->fe_fname[1] == '.'))) + return '?'; + */ + + return result->fe_type; + } /* (lstyle == 'w') */ + + } /* if (!lstyle && (!state->lstyle || state->lstyle == 'w')) */ +#endif + + /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ + +#if defined(SUPPORT_DLS) /* dls -dtR */ + if (!lstyle && + (state->lstyle == 'D' || (!state->lstyle && state->numlines == 1))) + /* /bin/dls lines have to be immediately recognizable (first line) */ + { + /* I haven't seen an FTP server that delivers a /bin/dls listing, + * but can infer the format from the lynx and mirror.pl projects. + * Both formats are supported. + * + * Lynx says: + * README 763 Information about this server\0 + * bin/ - \0 + * etc/ = \0 + * ls-lR 0 \0 + * ls-lR.Z 3 \0 + * pub/ = Public area\0 + * usr/ - \0 + * morgan 14 -> ../real/morgan\0 + * TIMIT.mostlikely.Z\0 + * 79215 \0 + * + * mirror.pl says: + * filename: ^(\S*)\s+ + * size: (\-|\=|\d+)\s+ + * month/day: ((\w\w\w\s+\d+|\d+\s+\w\w\w)\s+ + * time/year: (\d+:\d+|\d\d\d\d))\s+ + * rest: (.+) + * + * README 763 Jul 11 21:05 Information about this server + * bin/ - Apr 28 1994 + * etc/ = 11 Jul 21:04 + * ls-lR 0 6 Aug 17:14 + * ls-lR.Z 3 05 Sep 1994 + * pub/ = Jul 11 21:04 Public area + * usr/ - Sep 7 09:39 + * morgan 14 Apr 18 09:39 -> ../real/morgan + * TIMIT.mostlikely.Z + * 79215 Jul 11 21:04 + */ + if (!state->lstyle && line[linelen-1] == ':' && + linelen >= 2 && toklen[numtoks-1] != 1) + { + /* code in mirror.pl suggests that a listing may be preceded + * by a PWD line in the form "/some/dir/names/here:" + * but does not necessarily begin with '/'. *sigh* + */ + pos = 0; + p = line; + while (pos < (linelen-1)) + { + /* illegal (or extremely unusual) chars in a dirspec */ + if (*p == '<' || *p == '|' || *p == '>' || + *p == '?' || *p == '*' || *p == '\\') + break; + if (*p == '/' && pos < (linelen-2) && p[1] == '/') + break; + pos++; + p++; + } + if (pos == (linelen-1)) + { + state->lstyle = 'D'; + return '?'; + } + } + + if (!lstyle && numtoks >= 2) + { + pos = 22; /* pos of (\d+|-|=) if this is not part of a multiline */ + if (state->lstyle && carry_buf_len) /* first is from previous line */ + pos = toklen[1]-1; /* and is 'as-is' (may contain whitespace) */ + + if (linelen > pos) + { + p = &line[pos]; + if ((*p == '-' || *p == '=' || isdigit(*p)) && + ((linelen == (pos+1)) || + (linelen >= (pos+3) && p[1] == ' ' && p[2] == ' ')) ) + { + tokmarker = 1; + if (!carry_buf_len) + { + pos = 1; + while (pos < numtoks && (tokens[pos]+toklen[pos]) < (&line[23])) + pos++; + tokmarker = 0; + if ((tokens[pos]+toklen[pos]) == (&line[23])) + tokmarker = pos; + } + if (tokmarker) + { + lstyle = 'D'; + if (*tokens[tokmarker] == '-' || *tokens[tokmarker] == '=') + { + if (toklen[tokmarker] != 1 || + (tokens[tokmarker-1][toklen[tokmarker-1]-1]) != '/') + lstyle = 0; + } + else + { + for (pos = 0; lstyle && pos < toklen[tokmarker]; pos++) + { + if (!isdigit(tokens[tokmarker][pos])) + lstyle = 0; + } + } + if (lstyle && !state->lstyle) /* first time */ + { + /* scan for illegal (or incredibly unusual) chars in fname */ + for (p = tokens[0]; lstyle && + p < &(tokens[tokmarker-1][toklen[tokmarker-1]]); p++) + { + if (*p == '<' || *p == '|' || *p == '>' || + *p == '?' || *p == '*' || *p == '/' || *p == '\\') + lstyle = 0; + } + } + + } /* size token found */ + } /* expected chars behind expected size token */ + } /* if (linelen > pos) */ + } /* if (!lstyle && numtoks >= 2) */ + + if (!lstyle && state->lstyle == 'D' && !carry_buf_len) + { + /* the filename of a multi-line entry can be identified + * correctly only if dls format had been previously established. + * This should always be true because there should be entries + * for '.' and/or '..' and/or CWD that precede the rest of the + * listing. + */ + pos = linelen; + if (pos > (sizeof(state->carry_buf)-1)) + pos = sizeof(state->carry_buf)-1; + memcpy( state->carry_buf, line, pos ); + state->carry_buf_len = pos; + return '?'; + } + + if (lstyle == 'D') + { + state->parsed_one = 1; + state->lstyle = lstyle; + + p = &(tokens[tokmarker-1][toklen[tokmarker-1]]); + result->fe_fname = tokens[0]; + result->fe_fnlen = p - tokens[0]; + result->fe_type = 'f'; + + if (result->fe_fname[result->fe_fnlen-1] == '/') + { + if (result->fe_lnlen == 1) + result->fe_type = '?'; + else + { + result->fe_fnlen--; + result->fe_type = 'd'; + } + } + else if (isdigit(*tokens[tokmarker])) + { + pos = toklen[tokmarker]; + if (pos > (sizeof(result->fe_size)-1)) + pos = sizeof(result->fe_size)-1; + memcpy( result->fe_size, tokens[tokmarker], pos ); + result->fe_size[pos] = '\0'; + } + + if ((tokmarker+3) < numtoks && + (&(tokens[numtoks-1][toklen[numtoks-1]]) - + tokens[tokmarker+1]) >= (1+1+3+1+4) ) + { + pos = (tokmarker+3); + p = tokens[pos]; + pos = toklen[pos]; + + if ((pos == 4 || pos == 5) + && isdigit(*p) && isdigit(p[pos-1]) && isdigit(p[pos-2]) + && ((pos == 5 && p[2] == ':') || + (pos == 4 && (isdigit(p[1]) || p[1] == ':'))) + ) + { + month_num = tokmarker+1; /* assumed position of month field */ + pos = tokmarker+2; /* assumed position of mday field */ + if (isdigit(*tokens[month_num])) /* positions are reversed */ + { + month_num++; + pos--; + } + p = tokens[month_num]; + if (isdigit(*tokens[pos]) + && (toklen[pos] == 1 || + (toklen[pos] == 2 && isdigit(tokens[pos][1]))) + && toklen[month_num] == 3 + && isalpha(*p) && isalpha(p[1]) && isalpha(p[2]) ) + { + pos = atoi(tokens[pos]); + if (pos > 0 && pos <= 31) + { + result->fe_time.tm_mday = pos; + month_num = 1; + for (pos = 0; pos < (12*3); pos+=3) + { + if (p[0] == month_names[pos+0] && + p[1] == month_names[pos+1] && + p[2] == month_names[pos+2]) + break; + month_num++; + } + if (month_num > 12) + result->fe_time.tm_mday = 0; + else + result->fe_time.tm_month = month_num - 1; + } + } + if (result->fe_time.tm_mday) + { + tokmarker += 3; /* skip mday/mon/yrtime (to find " -> ") */ + p = tokens[tokmarker]; + + pos = atoi(p); + if (pos > 24) + result->fe_time.tm_year = pos-1900; + else + { + if (p[1] == ':') + p--; + result->fe_time.tm_hour = pos; + result->fe_time.tm_min = atoi(p+3); + if (!state->now_time) + { + state->now_time = PR_Now(); + PR_ExplodeTime((state->now_time), PR_LocalTimeParameters, &(state->now_tm) ); + } + result->fe_time.tm_year = state->now_tm.tm_year; + if ( (( state->now_tm.tm_month << 4) + state->now_tm.tm_mday) < + ((result->fe_time.tm_month << 4) + result->fe_time.tm_mday) ) + result->fe_time.tm_year--; + } /* got year or time */ + } /* got month/mday */ + } /* may have year or time */ + } /* enough remaining to possibly have date/time */ + + if (numtoks > (tokmarker+2)) + { + pos = tokmarker+1; + p = tokens[pos]; + if (toklen[pos] == 2 && *p == '-' && p[1] == '>') + { + p = &(tokens[numtoks-1][toklen[numtoks-1]]); + result->fe_type = 'l'; + result->fe_lname = tokens[pos+1]; + result->fe_lnlen = p - result->fe_lname; + if (result->fe_lnlen > 1 && + result->fe_lname[result->fe_lnlen-1] == '/') + result->fe_lnlen--; + } + } /* if (numtoks > (tokmarker+2)) */ + + /* the caller should do this (if dropping "." and ".." is desired) + if (result->fe_type == 'd' && result->fe_fname[0] == '.' && + (result->fe_fnlen == 1 || (result->fe_fnlen == 2 && + result->fe_fname[1] == '.'))) + return '?'; + */ + + return result->fe_type; + + } /* if (lstyle == 'D') */ + } /* if (!lstyle && (!state->lstyle || state->lstyle == 'D')) */ +#endif + + /* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */ + + } /* if (linelen > 0) */ + + return ParsingFailed(state); +} + +/* ==================================================================== */ +/* standalone testing */ +/* ==================================================================== */ +#if 0 + +#include <stdio.h> + +static int do_it(FILE *outfile, + char *line, size_t linelen, struct list_state *state, + char **cmnt_buf, unsigned int *cmnt_buf_sz, + char **list_buf, unsigned int *list_buf_sz ) +{ + struct list_result result; + char *p; + int rc; + + rc = ParseFTPList( line, state, &result ); + + if (!outfile) + { + outfile = stdout; + if (rc == '?') + fprintf(outfile, "junk: %.*s\n", (int)linelen, line ); + else if (rc == '"') + fprintf(outfile, "cmnt: %.*s\n", (int)linelen, line ); + else + fprintf(outfile, + "list: %02u-%02u-%02u %02u:%02u%cM %20s %.*s%s%.*s\n", + (result.fe_time.tm_mday ? (result.fe_time.tm_month + 1) : 0), + result.fe_time.tm_mday, + (result.fe_time.tm_mday ? (result.fe_time.tm_year % 100) : 0), + result.fe_time.tm_hour - + ((result.fe_time.tm_hour > 12)?(12):(0)), + result.fe_time.tm_min, + ((result.fe_time.tm_hour >= 12) ? 'P' : 'A'), + (rc == 'd' ? "<DIR> " : + (rc == 'l' ? "<JUNCTION> " : result.fe_size)), + (int)result.fe_fnlen, result.fe_fname, + ((rc == 'l' && result.fe_lnlen) ? " -> " : ""), + (int)((rc == 'l' && result.fe_lnlen) ? result.fe_lnlen : 0), + ((rc == 'l' && result.fe_lnlen) ? result.fe_lname : "") ); + } + else if (rc != '?') /* NOT junk */ + { + char **bufp = list_buf; + unsigned int *bufz = list_buf_sz; + + if (rc == '"') /* comment - make it a 'result' */ + { + memset( &result, 0, sizeof(result)); + result.fe_fname = line; + result.fe_fnlen = linelen; + result.fe_type = 'f'; + if (line[linelen-1] == '/') + { + result.fe_type = 'd'; + result.fe_fnlen--; + } + bufp = cmnt_buf; + bufz = cmnt_buf_sz; + rc = result.fe_type; + } + + linelen = 80 + result.fe_fnlen + result.fe_lnlen; + p = (char *)realloc( *bufp, *bufz + linelen ); + if (!p) + return -1; + sprintf( &p[*bufz], + "%02u-%02u-%04u %02u:%02u:%02u %20s %.*s%s%.*s\n", + (result.fe_time.tm_mday ? (result.fe_time.tm_month + 1) : 0), + result.fe_time.tm_mday, + (result.fe_time.tm_mday ? (result.fe_time.tm_year + 1900) : 0), + result.fe_time.tm_hour, + result.fe_time.tm_min, + result.fe_time.tm_sec, + (rc == 'd' ? "<DIR> " : + (rc == 'l' ? "<JUNCTION> " : result.fe_size)), + (int)result.fe_fnlen, result.fe_fname, + ((rc == 'l' && result.fe_lnlen) ? " -> " : ""), + (int)((rc == 'l' && result.fe_lnlen) ? result.fe_lnlen : 0), + ((rc == 'l' && result.fe_lnlen) ? result.fe_lname : "") ); + linelen = strlen(&p[*bufz]); + *bufp = p; + *bufz = *bufz + linelen; + } + return 0; +} + +int main(int argc, char *argv[]) +{ + FILE *infile = (FILE *)0; + FILE *outfile = (FILE *)0; + int need_close_in = 0; + int need_close_out = 0; + + if (argc > 1) + { + infile = stdin; + if (strcmp(argv[1], "-") == 0) + need_close_in = 0; + else if ((infile = fopen(argv[1], "r")) != ((FILE *)0)) + need_close_in = 1; + else + fprintf(stderr, "Unable to open input file '%s'\n", argv[1]); + } + if (infile && argc > 2) + { + outfile = stdout; + if (strcmp(argv[2], "-") == 0) + need_close_out = 0; + else if ((outfile = fopen(argv[2], "w")) != ((FILE *)0)) + need_close_out = 1; + else + { + fprintf(stderr, "Unable to open output file '%s'\n", argv[2]); + fclose(infile); + infile = (FILE *)0; + } + } + + if (!infile) + { + char *appname = &(argv[0][strlen(argv[0])]); + while (appname > argv[0]) + { + appname--; + if (*appname == '/' || *appname == '\\' || *appname == ':') + { + appname++; + break; + } + } + fprintf(stderr, + "Usage: %s <inputfilename> [<outputfilename>]\n" + "\nIf an outout file is specified the results will be" + "\nbe post-processed, and only the file entries will appear" + "\n(or all comments if there are no file entries)." + "\nNot specifying an output file causes %s to run in \"debug\"" + "\nmode, ie results are printed as lines are parsed." + "\nIf a filename is a single dash ('-'), stdin/stdout is used." + "\n", appname, appname ); + } + else + { + char *cmnt_buf = (char *)0; + unsigned int cmnt_buf_sz = 0; + char *list_buf = (char *)0; + unsigned int list_buf_sz = 0; + + struct list_state state; + char line[512]; + + memset( &state, 0, sizeof(state) ); + while (fgets(line, sizeof(line), infile)) + { + size_t linelen = strlen(line); + if (linelen < (sizeof(line)-1)) + { + if (linelen > 0 && line[linelen-1] == '\n') + linelen--; + if (do_it( outfile, line, linelen, &state, + &cmnt_buf, &cmnt_buf_sz, &list_buf, &list_buf_sz) != 0) + { + fprintf(stderr, "Insufficient memory. Listing may be incomplete.\n"); + break; + } + } + else + { + /* no '\n' found. drop this and everything up to the next '\n' */ + fprintf(stderr, "drop: %.*s", (int)linelen, line ); + while (linelen == sizeof(line)) + { + if (!fgets(line, sizeof(line), infile)) + break; + linelen = 0; + while (linelen < sizeof(line) && line[linelen] != '\n') + linelen++; + fprintf(stderr, "%.*s", (int)linelen, line ); + } + fprintf(stderr, "\n"); + } + } + if (outfile) + { + if (list_buf) + fwrite( list_buf, 1, list_buf_sz, outfile ); + else if (cmnt_buf) + fwrite( cmnt_buf, 1, cmnt_buf_sz, outfile ); + } + if (list_buf) + free(list_buf); + if (cmnt_buf) + free(cmnt_buf); + + if (need_close_in) + fclose(infile); + if (outfile && need_close_out) + fclose(outfile); + } + + return 0; +} +#endif |