/* This file copied with some minimal changes from mozilla.org */ /* 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 #include #include #include #include "ParseFTPList.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 linelen, pos; const char *p; if (!line || !state || !result) return 0; memset( result, 0, sizeof(*result) ); if (state->magic != ((void *)ParseFTPList)) { memset( state, 0, sizeof(*state) ); state->magic = ((void *)ParseFTPList); } 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; linelen = 0; /* strip leading whitespace */ while (*line == ' ' || *line == '\t') line++; /* line is terminated at first '\0' or '\n' */ p = line; while (*p && *p != '\n') p++; 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] == ',') { guint64 seconds; time_t t; sscanf(p+1, "%"G_GUINT64_FORMAT, &seconds); t = seconds; result->fe_time = *localtime (&t); } } } 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 . 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 */ g_assert (*p == ']'); 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. */ guint64 fsz; fsz = g_ascii_strtoull (tokens[1], (char **)0, 10); fsz *= 512; g_snprintf(result->fe_size, sizeof(result->fe_size), "%"G_GUINT64_FORMAT, 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_mon = 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_mon = 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_mon = 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 veronist" * "06-15-00 07:37AM 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" */ if ((numtoks >= 4) && (toklen[0] == 8 || toklen[0] == 10) && 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]) && (p[5]=='A' || p[5]=='P') && p[6]=='M') { lstyle = 'W'; if (!state->lstyle) { p = tokens[2]; /* or */ 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 or */ { // 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 */ { 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_mon = atoi(tokens[0]+0); if (result->fe_time.tm_mon != 0) { result->fe_time.tm_mon--; 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 ((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_mon = 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" */ gboolean 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])) ) ) { unsigned int i; lstyle = 'U'; /* assume /bin/ls or variant format */ tokmarker = pos; /* check that size is numeric */ p = tokens[tokmarker]; 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_mon = 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 = time (NULL); state->now_tm = *localtime (&state->now_time); } result->fe_time.tm_year = state->now_tm.tm_year; if ( (( state->now_tm.tm_mon << 5) + state->now_tm.tm_mday) < ((result->fe_time.tm_mon << 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". */ guint32 fe_size = atoi(result->fe_size); if (result->fe_fnlen > (fe_size + 4) && 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 (p && g_str_has_prefix(p, " -> ")) { 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 '-'. * . 11-16-94 17:16 * .. 11-16-94 17:16 * INSTALL 11-16-94 17:17 * CMT 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 * . Nov 16 1994 17:16 * .. Nov 16 1994 17:16 * INSTALL Nov 16 1994 17:17 * CMT 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 */ } /* 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_mon = 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_mon = 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_mon = 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 = time (NULL); state->now_tm = *localtime (&state->now_time); } result->fe_time.tm_year = state->now_tm.tm_year; if ( (( state->now_tm.tm_mon << 4) + state->now_tm.tm_mday) < ((result->fe_time.tm_mon << 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 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_mon + 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' ? " " : (rc == 'l' ? " " : 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_mon + 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' ? " " : (rc == 'l' ? " " : 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 []\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