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libsolv/ext/repo_arch.c
2025-08-05 11:57:14 +02:00

570 lines
15 KiB
C

/*
* Copyright (c) 2012, Novell Inc.
*
* This program is licensed under the BSD license, read LICENSE.BSD
* for further information
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <dirent.h>
#include "pool.h"
#include "repo.h"
#include "util.h"
#include "chksum.h"
#include "solv_xfopen.h"
#include "tarhead.h"
#include "repo_arch.h"
#define MAX_ENTRY_SIZE 0x1000000
static Offset
adddep(Repo *repo, Offset olddeps, char *line)
{
Pool *pool = repo->pool;
char *p;
Id id;
while (*line == ' ' || *line == '\t')
line++;
p = line;
while (*p && *p != ' ' && *p != '\t' && *p != '<' && *p != '=' && *p != '>')
p++;
id = pool_strn2id(pool, line, p - line, 1);
while (*p == ' ' || *p == '\t')
p++;
if (*p == '<' || *p == '=' || *p == '>')
{
int flags = 0;
for (;; p++)
{
if (*p == '<')
flags |= REL_LT;
else if (*p == '=')
flags |= REL_EQ;
else if (*p == '>')
flags |= REL_GT;
else
break;
}
while (*p == ' ' || *p == '\t')
p++;
line = p;
while (*p && *p != ' ' && *p != '\t')
p++;
id = pool_rel2id(pool, id, pool_strn2id(pool, line, p - line, 1), flags, 1);
}
return repo_addid_dep(repo, olddeps, id, 0);
}
Id
repo_add_arch_pkg(Repo *repo, const char *fn, int flags)
{
Pool *pool = repo->pool;
Repodata *data;
FILE *fp;
struct tarhead th;
char *line = 0;
size_t line_alloc = 0, l;
Solvable *s;
int fd;
struct stat stb;
Chksum *pkgidchk = 0;
data = repo_add_repodata(repo, flags);
if ((fd = open(flags & REPO_USE_ROOTDIR ? pool_prepend_rootdir_tmp(pool, fn) : fn, O_RDONLY, 0)) < 0)
{
pool_error(pool, -1, "%s: %s", fn, strerror(errno));
return 0;
}
if (fstat(fd, &stb))
{
pool_error(pool, -1, "%s: fstat: %s", fn, strerror(errno));
close(fd);
return 0;
}
if (!(fp = solv_xfopen_fd(fn, fd, "r")))
{
pool_error(pool, -1, "%s: fdopen failed", fn);
close(fd);
return 0;
}
s = 0;
tarhead_init(&th, fp);
while (tarhead_next(&th) > 0)
{
if (th.type != 1 || strcmp(th.path, ".PKGINFO") != 0 || th.length > MAX_ENTRY_SIZE)
{
tarhead_skip(&th);
continue;
}
s = pool_id2solvable(pool, repo_add_solvable(repo));
if (flags & ARCH_ADD_WITH_PKGID)
pkgidchk = solv_chksum_create(REPOKEY_TYPE_MD5);
while ((l = tarhead_gets(&th, &line, &line_alloc)) > 0)
{
if (pkgidchk)
solv_chksum_add(pkgidchk, line, l);
l = strlen(line); /* no NULs please */
if (l && line[l - 1] == '\n')
line[--l] = 0;
if (l == 0 || line[0] == '#')
continue;
if (!strncmp(line, "pkgname = ", 10))
s->name = pool_str2id(pool, line + 10, 1);
else if (!strncmp(line, "pkgver = ", 9))
s->evr = pool_str2id(pool, line + 9, 1);
else if (!strncmp(line, "pkgdesc = ", 10))
{
repodata_set_str(data, s - pool->solvables, SOLVABLE_SUMMARY, line + 10);
repodata_set_str(data, s - pool->solvables, SOLVABLE_DESCRIPTION, line + 10);
}
else if (!strncmp(line, "url = ", 6))
repodata_set_str(data, s - pool->solvables, SOLVABLE_URL, line + 6);
else if (!strncmp(line, "builddate = ", 12))
repodata_set_num(data, s - pool->solvables, SOLVABLE_BUILDTIME, strtoull(line + 12, 0, 10));
else if (!strncmp(line, "packager = ", 11))
repodata_set_poolstr(data, s - pool->solvables, SOLVABLE_PACKAGER, line + 11);
else if (!strncmp(line, "size = ", 7))
repodata_set_num(data, s - pool->solvables, SOLVABLE_INSTALLSIZE, strtoull(line + 7, 0, 10));
else if (!strncmp(line, "arch = ", 7))
s->arch = pool_str2id(pool, line + 7, 1);
else if (!strncmp(line, "license = ", 10))
repodata_add_poolstr_array(data, s - pool->solvables, SOLVABLE_LICENSE, line + 10);
else if (!strncmp(line, "replaces = ", 11))
s->obsoletes = adddep(repo, s->obsoletes, line + 11);
else if (!strncmp(line, "group = ", 8))
repodata_add_poolstr_array(data, s - pool->solvables, SOLVABLE_GROUP, line + 8);
else if (!strncmp(line, "depend = ", 9))
s->requires = adddep(repo, s->requires, line + 9);
else if (!strncmp(line, "optdepend = ", 12))
{
char *p = strchr(line, ':');
if (p)
*p = 0;
s->suggests = adddep(repo, s->suggests, line + 12);
}
else if (!strncmp(line, "conflict = ", 11))
s->conflicts = adddep(repo, s->conflicts, line + 11);
else if (!strncmp(line, "provides = ", 11))
s->provides = adddep(repo, s->provides, line + 11);
}
break;
}
solv_free(line);
tarhead_free(&th);
fclose(fp);
if (!s)
{
pool_error(pool, -1, "%s: not an arch package", fn);
if (pkgidchk)
solv_chksum_free(pkgidchk, 0);
return 0;
}
if (s && !s->name)
{
pool_error(pool, -1, "%s: package has no name", fn);
s = solvable_free(s, 1);
}
if (s)
{
if (!s->arch)
s->arch = ARCH_ANY;
if (!s->evr)
s->evr = ID_EMPTY;
s->provides = repo_addid_dep(repo, s->provides, pool_rel2id(pool, s->name, s->evr, REL_EQ, 1), 0);
if (!(flags & REPO_NO_LOCATION))
repodata_set_location(data, s - pool->solvables, 0, 0, fn);
if (S_ISREG(stb.st_mode))
repodata_set_num(data, s - pool->solvables, SOLVABLE_DOWNLOADSIZE, (unsigned long long)stb.st_size);
if (pkgidchk)
{
unsigned char pkgid[16];
solv_chksum_free(pkgidchk, pkgid);
repodata_set_bin_checksum(data, s - pool->solvables, SOLVABLE_PKGID, REPOKEY_TYPE_MD5, pkgid);
pkgidchk = 0;
}
}
if (pkgidchk)
solv_chksum_free(pkgidchk, 0);
if (!(flags & REPO_NO_INTERNALIZE))
repodata_internalize(data);
return s ? s - pool->solvables : 0;
}
static Hashtable
joinhash_init(Repo *repo, Hashval *hmp)
{
Hashval hm = mkmask(repo->nsolvables);
Hashtable ht = solv_calloc(hm + 1, sizeof(*ht));
Hashval h, hh;
Solvable *s;
int i;
FOR_REPO_SOLVABLES(repo, i, s)
{
hh = HASHCHAIN_START;
h = s->name & hm;
while (ht[h])
h = HASHCHAIN_NEXT(h, hh, hm);
ht[h] = i;
}
*hmp = hm;
return ht;
}
static Solvable *
joinhash_lookup(Repo *repo, Hashtable ht, Hashval hm, const char *fn)
{
const char *p;
Id name, evr;
Hashval h, hh;
if ((p = strrchr(fn, '/')) != 0)
fn = p + 1;
/* here we assume that the dirname is name-evr */
if (!*fn)
return 0;
for (p = fn + strlen(fn) - 1; p > fn; p--)
{
while (p > fn && *p != '-')
p--;
if (p == fn)
return 0;
name = pool_strn2id(repo->pool, fn, p - fn, 0);
if (!name)
continue;
evr = pool_str2id(repo->pool, p + 1, 0);
if (!evr)
continue;
/* found valid name/evr combination, check hash */
hh = HASHCHAIN_START;
h = name & hm;
while (ht[h])
{
Solvable *s = repo->pool->solvables + ht[h];
if (s->name == name && s->evr == evr)
return s;
h = HASHCHAIN_NEXT(h, hh, hm);
}
}
return 0;
}
static int getsentrynl(struct tarhead *th, char **linep, size_t *line_allocp)
{
size_t l = tarhead_gets(th, linep, line_allocp);
if (l)
l = strlen(*linep);
if (l && (*linep)[l - 1] == '\n')
(*linep)[--l] = 0;
return l ? 1 : 0;
}
static void
adddata(Repodata *data, Solvable *s, struct tarhead *th)
{
Repo *repo = data->repo;
Pool *pool = repo->pool;
char *line = 0;
size_t l, line_alloc = 0;
int havesha256 = 0;
while ((l = tarhead_gets(th, &line, &line_alloc)) > 0)
{
l = strlen(line);
if (l && line[l - 1] == '\n')
line[--l] = 0;
if (l <= 2 || line[0] != '%' || line[l - 1] != '%')
continue;
if (!strcmp(line, "%FILENAME%"))
{
if (getsentrynl(th, &line, &line_alloc))
repodata_set_location(data, s - pool->solvables, 0, 0, line);
}
else if (!strcmp(line, "%NAME%"))
{
if (getsentrynl(th, &line, &line_alloc))
s->name = pool_str2id(pool, line, 1);
}
else if (!strcmp(line, "%VERSION%"))
{
if (getsentrynl(th, &line, &line_alloc))
s->evr = pool_str2id(pool, line, 1);
}
else if (!strcmp(line, "%DESC%"))
{
if (getsentrynl(th, &line, &line_alloc))
{
repodata_set_str(data, s - pool->solvables, SOLVABLE_SUMMARY, line);
repodata_set_str(data, s - pool->solvables, SOLVABLE_DESCRIPTION, line);
}
}
else if (!strcmp(line, "%GROUPS%"))
{
if (getsentrynl(th, &line, &line_alloc))
repodata_add_poolstr_array(data, s - pool->solvables, SOLVABLE_GROUP, line);
}
else if (!strcmp(line, "%CSIZE%"))
{
if (getsentrynl(th, &line, &line_alloc))
repodata_set_num(data, s - pool->solvables, SOLVABLE_DOWNLOADSIZE, strtoull(line, 0, 10));
}
else if (!strcmp(line, "%ISIZE%"))
{
if (getsentrynl(th, &line, &line_alloc))
repodata_set_num(data, s - pool->solvables, SOLVABLE_INSTALLSIZE, strtoull(line, 0, 10));
}
else if (!strcmp(line, "%MD5SUM%"))
{
if (getsentrynl(th, &line, &line_alloc) && !havesha256)
repodata_set_checksum(data, s - pool->solvables, SOLVABLE_CHECKSUM, REPOKEY_TYPE_MD5, line);
}
else if (!strcmp(line, "%SHA256SUM%"))
{
if (getsentrynl(th, &line, &line_alloc))
{
repodata_set_checksum(data, s - pool->solvables, SOLVABLE_CHECKSUM, REPOKEY_TYPE_SHA256, line);
havesha256 = 1;
}
}
else if (!strcmp(line, "%URL%"))
{
if (getsentrynl(th, &line, &line_alloc))
repodata_set_str(data, s - pool->solvables, SOLVABLE_URL, line);
}
else if (!strcmp(line, "%LICENSE%"))
{
if (getsentrynl(th, &line, &line_alloc))
repodata_add_poolstr_array(data, s - pool->solvables, SOLVABLE_LICENSE, line);
}
else if (!strcmp(line, "%ARCH%"))
{
if (getsentrynl(th, &line, &line_alloc))
s->arch = pool_str2id(pool, line, 1);
}
else if (!strcmp(line, "%BUILDDATE%"))
{
if (getsentrynl(th, &line, &line_alloc))
repodata_set_num(data, s - pool->solvables, SOLVABLE_BUILDTIME, strtoull(line, 0, 10));
}
else if (!strcmp(line, "%PACKAGER%"))
{
if (getsentrynl(th, &line, &line_alloc))
repodata_set_poolstr(data, s - pool->solvables, SOLVABLE_PACKAGER, line);
}
else if (!strcmp(line, "%REPLACES%"))
{
while (getsentrynl(th, &line, &line_alloc) && *line)
s->obsoletes = adddep(repo, s->obsoletes, line);
}
else if (!strcmp(line, "%DEPENDS%"))
{
while (getsentrynl(th, &line, &line_alloc) && *line)
s->requires = adddep(repo, s->requires, line);
}
else if (!strcmp(line, "%CONFLICTS%"))
{
while (getsentrynl(th, &line, &line_alloc) && *line)
s->conflicts = adddep(repo, s->conflicts, line);
}
else if (!strcmp(line, "%PROVIDES%"))
{
while (getsentrynl(th, &line, &line_alloc) && *line)
s->provides = adddep(repo, s->provides, line);
}
else if (!strcmp(line, "%OPTDEPENDS%"))
{
while (getsentrynl(th, &line, &line_alloc) && *line)
{
char *p = strchr(line, ':');
if (p && p > line)
*p = 0;
s->suggests = adddep(repo, s->suggests, line);
}
}
else if (!strcmp(line, "%FILES%"))
{
while (getsentrynl(th, &line, &line_alloc) && *line)
{
char *p;
Id id;
l = strlen(line);
if (l > 1 && line[l - 1] == '/')
line[--l] = 0; /* remove trailing slashes */
if ((p = strrchr(line , '/')) != 0)
{
*p++ = 0;
if (line[0] != '/') /* anchor */
{
char tmp = *p;
memmove(line + 1, line, p - 1 - line);
*line = '/';
*p = 0;
id = repodata_str2dir(data, line, 1);
*p = tmp;
}
else
id = repodata_str2dir(data, line, 1);
}
else
{
p = line;
id = 0;
}
if (!id)
id = repodata_str2dir(data, "/", 1);
repodata_add_dirstr(data, s - pool->solvables, SOLVABLE_FILELIST, id, p);
}
}
while (*line && getsentrynl(th, &line, &line_alloc))
;
}
solv_free(line);
}
static void
finishsolvable(Repo *repo, Solvable *s)
{
Pool *pool = repo->pool;
if (!s)
return;
if (!s->name)
{
solvable_free(s, 1);
return;
}
if (!s->arch)
s->arch = ARCH_ANY;
if (!s->evr)
s->evr = ID_EMPTY;
s->provides = repo_addid_dep(repo, s->provides, pool_rel2id(pool, s->name, s->evr, REL_EQ, 1), 0);
}
int
repo_add_arch_repo(Repo *repo, FILE *fp, int flags)
{
Pool *pool = repo->pool;
Repodata *data;
struct tarhead th;
char *lastdn = 0;
int lastdnlen = 0;
Solvable *s = 0;
Hashtable joinhash = 0;
Hashval joinhashmask = 0;
data = repo_add_repodata(repo, flags);
if (flags & REPO_EXTEND_SOLVABLES)
joinhash = joinhash_init(repo, &joinhashmask);
tarhead_init(&th, fp);
while (tarhead_next(&th) > 0)
{
char *bn;
if (th.type != 1 || th.length > MAX_ENTRY_SIZE)
{
tarhead_skip(&th);
continue;
}
bn = strrchr(th.path, '/');
if (!bn || (strcmp(bn + 1, "desc") != 0 && strcmp(bn + 1, "depends") != 0 && strcmp(bn + 1, "files") != 0))
{
tarhead_skip(&th);
continue;
}
if ((flags & REPO_EXTEND_SOLVABLES) != 0 && (!strcmp(bn + 1, "desc") || !strcmp(bn + 1, "depends")))
{
tarhead_skip(&th);
continue; /* skip those when we're extending */
}
if (!lastdn || (bn - th.path) != lastdnlen || strncmp(lastdn, th.path, lastdnlen) != 0)
{
finishsolvable(repo, s);
solv_free(lastdn);
lastdn = solv_strdup(th.path);
lastdnlen = bn - th.path;
lastdn[lastdnlen] = 0;
if (flags & REPO_EXTEND_SOLVABLES)
{
s = joinhash_lookup(repo, joinhash, joinhashmask, lastdn);
if (!s)
{
tarhead_skip(&th);
continue;
}
}
else
s = pool_id2solvable(pool, repo_add_solvable(repo));
}
adddata(data, s, &th);
}
finishsolvable(repo, s);
solv_free(joinhash);
solv_free(lastdn);
if (!(flags & REPO_NO_INTERNALIZE))
repodata_internalize(data);
return 0;
}
int
repo_add_arch_local(Repo *repo, const char *dir, int flags)
{
Pool *pool = repo->pool;
Repodata *data;
DIR *dp;
struct dirent *de;
char *entrydir, *file;
FILE *fp;
Solvable *s;
data = repo_add_repodata(repo, flags);
if (flags & REPO_USE_ROOTDIR)
dir = pool_prepend_rootdir(pool, dir);
dp = opendir(dir);
if (dp)
{
while ((de = readdir(dp)) != 0)
{
if (!de->d_name[0] || de->d_name[0] == '.')
continue;
entrydir = solv_dupjoin(dir, "/", de->d_name);
file = pool_tmpjoin(repo->pool, entrydir, "/desc", 0);
s = 0;
if ((fp = fopen(file, "r")) != 0)
{
struct tarhead th;
tarhead_init(&th, fp);
s = pool_id2solvable(pool, repo_add_solvable(repo));
adddata(data, s, &th);
tarhead_free(&th);
fclose(fp);
file = pool_tmpjoin(repo->pool, entrydir, "/files", 0);
if ((fp = fopen(file, "r")) != 0)
{
tarhead_init(&th, fp);
adddata(data, s, &th);
tarhead_free(&th);
fclose(fp);
}
}
solv_free(entrydir);
}
closedir(dp);
}
if (!(flags & REPO_NO_INTERNALIZE))
repodata_internalize(data);
if (flags & REPO_USE_ROOTDIR)
solv_free((char *)dir);
return 0;
}