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/* This file is part of "reprepro"
* Copyright (C) 2003,2004,2005,2006,2008 Bernhard R. Link
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include <config.h>
#include <errno.h>
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include "error.h"
#include "names.h"
#include "uncompression.h"
#include "checksums.h"
#include "changes.h"
retvalue changes_parsefileline(const char *fileline, /*@out@*/filetype *result_type, /*@out@*/char **result_basename, /*@out@*/struct hash_data *hash_p, /*@out@*/struct hash_data *size_p, /*@out@*/char **result_section, /*@out@*/char **result_priority, /*@out@*/architecture_t *result_architecture, /*@out@*/char **result_name) {
const char *p, *md5start, *md5end;
const char *sizestart, *sizeend;
const char *sectionstart, *sectionend;
const char *priostart, *prioend;
const char *filestart, *nameend, *fileend;
const char *archstart, *archend;
const char *versionstart;
filetype type;
char *section, *priority, *basefilename, *name;
architecture_t architecture;
size_t l;
bool checkfilename = false;
p = fileline;
while (*p !='\0' && xisspace(*p))
p++;
md5start = p;
while ((*p >= '0' && *p <= '9') || (*p >= 'a' && *p <= 'f'))
p++;
if (*p == '\0') {
fprintf(stderr, "Missing md5sum in '%s'!\n", fileline);
return RET_ERROR;
}
if (!xisspace(*p)) {
fprintf(stderr, "Malformed md5 hash in '%s'!\n", fileline);
return RET_ERROR;
}
md5end = p;
while (*p !='\0' && xisspace(*p))
p++;
while (*p == '0' && p[1] >= '0' && p[1] <= '9')
p++;
sizestart = p;
while (*p >= '0' && *p <= '9')
p++;
if (*p == '\0') {
fprintf(stderr,
"Missing size (second argument) in '%s'!\n", fileline);
return RET_ERROR;
}
if (!xisspace(*p)) {
fprintf(stderr,
"Malformed size (second argument) in '%s'!\n", fileline);
return RET_ERROR;
}
sizeend = p;
while (*p !='\0' && xisspace(*p))
p++;
sectionstart = p;
while (*p !='\0' && !xisspace(*p))
p++;
sectionend = p;
while (*p !='\0' && xisspace(*p))
p++;
priostart = p;
while (*p !='\0' && !xisspace(*p))
p++;
prioend = p;
while (*p !='\0' && xisspace(*p))
p++;
filestart = p;
while (*p !='\0' && !xisspace(*p))
p++;
fileend = p;
while (*p !='\0' && xisspace(*p))
p++;
if (*p != '\0') {
fprintf(stderr,
"Unexpected sixth argument in '%s'!\n", fileline);
return RET_ERROR;
}
if (*md5start == '\0' || *sizestart == '\0' || *sectionstart == '\0'
|| *priostart == '\0' || *filestart == '\0') {
fprintf(stderr,
"Wrong number of arguments in '%s' (5 expected)!\n",
fileline);
return RET_ERROR;
}
if ((sectionend - sectionstart == 6 &&
strncmp(sectionstart, "byhand", 6) == 0) ||
(sectionend - sectionstart > 4 &&
strncmp(sectionstart, "raw-", 4) == 0)) {
section = strndup(sectionstart, sectionend - sectionstart);
priority = strndup(priostart, prioend - priostart);
basefilename = strndup(filestart, fileend - filestart);
if (FAILEDTOALLOC(section) || FAILEDTOALLOC(priority) ||
FAILEDTOALLOC(basefilename)) {
free(section); free(priority);
free(basefilename);
return RET_ERROR_OOM;
}
hash_p->start = md5start;
hash_p->len = md5end - md5start;
size_p->start = sizestart;
size_p->len = sizeend - sizestart;
*result_section = section;
*result_priority = priority;
*result_basename = basefilename;
*result_architecture = atom_unknown;
*result_name = NULL;
*result_type = fe_BYHAND;
return RET_OK;
}
p = filestart;
while (*p != '\0' && *p != '_' && !xisspace(*p))
p++;
if (*p != '_') {
if (*p == '\0')
fprintf(stderr,
"No underscore found in file name in '%s'!\n",
fileline);
else
fprintf(stderr,
"Unexpected character '%c' in file name in '%s'!\n",
*p, fileline);
return RET_ERROR;
}
nameend = p;
p++;
versionstart = p;
/* changing 3.0 format to now also allow _ in source files
* makes this parsing quite more ugly... */
while (*p !='\0' && !xisspace(*p))
p++;
l = p - versionstart;
/* identify the binary types (they have no compression
* and will need a _ */
if (l >= 4 && memcmp(p-4, ".deb", 4) == 0)
type = fe_DEB;
else if (l >= 5 && memcmp(p-5, ".udeb", 5) == 0)
type = fe_UDEB;
else
type = fe_UNKNOWN;
if (type != fe_UNKNOWN) {
/* a _ should separate the version from the rest */
p = versionstart;
names_overversion(&p, true);
if (*p != '\0' && *p != '_') {
fprintf(stderr,
"Unexpected character '%c' in file name within '%s'!\n", *p, fileline);
return RET_ERROR;
}
if (*p != '_') {
fprintf(stderr,
"Cannot cope with .[u]deb filename not containing an underscore (in '%s')!",
fileline);
return RET_ERROR;
}
p++;
archstart = p;
if (type == fe_DEB)
archend = versionstart + l - 4;
else {
assert (type == fe_UDEB);
archend = versionstart + l - 5;
}
if (archend - archstart == 6 &&
strncmp(archstart, "source", 6) == 0) {
fprintf(stderr,
"Architecture 'source' not allowed for .[u]debs ('%s')!\n", filestart);
return RET_ERROR;
}
} else {
enum compression c;
const char *eoi;
bool issignature = false;
/* without those, it gets more complicated.
* It's not .deb or .udeb, so most likely a
* source file (or perhaps a log (reprepro extension)) */
/* if it uses a known compression, things are easy,
* so try this first: */
if (l > 4 && memcmp(versionstart + l - 4, ".asc", 4) == 0 ) {
issignature = true;
l -= 4;
}
c = compression_by_suffix(versionstart, &l);
p = versionstart + l;
archstart = "source";
archend = archstart + 6;
if (l > 9 && strncmp(p-9, ".orig.tar", 9) == 0) {
type = fe_ORIG;
eoi = p - 9;
} else if (l > 4 && strncmp(p-4, ".tar", 4) == 0) {
type = fe_TAR;
eoi = p - 4;
} else if (issignature) {
/* only .tar.* files are allowed to have .asc files: */
issignature = false;
} else if (l > 5 && strncmp(p-5, ".diff", 5) == 0) {
type = fe_DIFF;
eoi = p - 5;
} else if (l > 4 && strncmp(p-4, ".dsc", 4) == 0
&& c == c_none) {
type = fe_DSC;
eoi = p - 4;
} else if (l > 4 && strncmp(p-4, ".git", 4) == 0
&& c == c_none) {
type = fe_ALTSRC;
eoi = p - 4;
} else if (l > 4 && strncmp(p-4, ".log", 4) == 0) {
type = fe_LOG;
eoi = p - 4;
} else if (l > 6 && strncmp(p-6, ".build", 6) == 0) {
type = fe_LOG;
eoi = p - 6;
} else if (l > 10 && strncmp(p-10, ".buildinfo", 10) == 0) {
type = fe_BUILDINFO;
eoi = p - 10;
}
if (type != fe_UNKNOWN) {
/* check for a proper version */
p = versionstart;
names_overversion(&p, true);
if (p >= eoi) {
/* all well */
} else if (type == fe_TAR) {
/* a tar might be a component with ugly
* data between .orig- and the .tar.c */
const char *o = strstr(versionstart, ".orig-");
if (o == NULL || o > eoi) {
fprintf(stderr,
"Unexpected character '%c' in file name within '%s'!\n",
*p, fileline);
return RET_ERROR;
}
checkfilename = true;
} else if (type == fe_LOG || type == fe_BUILDINFO) {
if (*p == '_') {
archstart = p + 1;
archend = eoi;
checkfilename = true;
} else {
fprintf(stderr,
"Unexpected character '%c' in file name within '%s'!\n",
*p, fileline);
}
} else {
fprintf(stderr,
"Unexpected character '%c' in file name within '%s'!\n",
*p, fileline);
return RET_ERROR;
}
if (issignature)
type = fe_SIG;
} else {
/* everything else is assumed to be source */
checkfilename = true;
fprintf(stderr,
"Unknown file type: '%s', assuming source format...\n", fileline);
}
}
section = strndup(sectionstart, sectionend - sectionstart);
priority = strndup(priostart, prioend - priostart);
basefilename = strndup(filestart, fileend - filestart);
// TODO: this does not make much sense for log files, as they might
// list multiple..
architecture = architecture_find_l(archstart, archend - archstart);
name = strndup(filestart, nameend - filestart);
if (FAILEDTOALLOC(section) || FAILEDTOALLOC(priority) ||
FAILEDTOALLOC(basefilename) || FAILEDTOALLOC(name)) {
free(section); free(priority);
free(basefilename); free(name);
return RET_ERROR_OOM;
}
if (checkfilename || !atom_defined(architecture)) {
retvalue r;
/* as we no longer run properversion over the whole
* rest of the string, at least make sure nothing evil
* is in this name */
r = properfilename(basefilename);
if (!RET_IS_OK(r)) {
assert (r != RET_NOTHING);
free(section); free(priority);
free(basefilename); free(name);
return r;
}
}
hash_p->start = md5start;
hash_p->len = md5end - md5start;
size_p->start = sizestart;
size_p->len = sizeend - sizestart;
*result_section = section;
*result_priority = priority;
*result_basename = basefilename;
*result_architecture = architecture;
*result_name = name;
*result_type = type;
return RET_OK;
}
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