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actions.c
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actions.c
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/* $Id: actions.c,v 1.56 2013/01/31 19:49:34 stacktic Exp $ */
/*
* Copyright (c) 2009-2015 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Emile "iMil" Heitor <[email protected]> .
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include "pkgin.h"
#include <time.h>
#ifndef LOCALBASE
#define LOCALBASE "/usr/pkg" /* see DISCLAIMER below */
#endif
const char *pkgin_cache = PKGIN_CACHE;
static int upgrade_type = UPGRADE_NONE, warn_count = 0, err_count = 0;
static uint8_t said = 0;
FILE *err_fp = NULL;
long int rm_filepos = -1, in_filepos = -1;
char pkgtools_flags[5];
#ifndef DEBUG
static char *
verb_flag(const char *flags)
{
strcpy(pkgtools_flags, flags);
if (verbosity)
strlcat(pkgtools_flags, "v", 1);
return pkgtools_flags;
}
#endif
static int
pkg_download(Plisthead *installhead)
{
FILE *fp;
Pkglist *pinstall;
struct stat st;
char pkg_fs[BUFSIZ], pkg_url[BUFSIZ], query[BUFSIZ];
ssize_t size;
int rc = EXIT_SUCCESS;
printf(MSG_DOWNLOAD_PKGS);
SLIST_FOREACH(pinstall, installhead, next) {
snprintf(pkg_fs, BUFSIZ,
"%s/%s%s", pkgin_cache, pinstall->depend, PKG_EXT);
/* pkg_info -X -a produces pkg_summary with empty FILE_SIZE,
* people could spend some time blaming on pkgin before finding
* what's really going on.
*/
if (pinstall->file_size == 0)
printf(MSG_EMPTY_FILE_SIZE, pinstall->depend);
/* already fully downloaded */
if (stat(pkg_fs, &st) == 0 &&
st.st_size == pinstall->file_size &&
pinstall->file_size != 0 )
continue;
snprintf(query, BUFSIZ, PKG_URL, pinstall->depend);
/* retrieve repository for package */
if (pkgindb_doquery(query, pdb_get_value, pkg_url) != 0)
errx(EXIT_FAILURE, MSG_PKG_NO_REPO, pinstall->depend);
strlcat(pkg_url, "/", sizeof(pkg_url));
strlcat(pkg_url, pinstall->depend, sizeof(pkg_url));
strlcat(pkg_url, PKG_EXT, sizeof(pkg_url));
/* if pkg's repo URL is file://, just symlink */
if (strncmp(pkg_url, SCHEME_FILE, strlen(SCHEME_FILE)) == 0) {
(void)unlink(pkg_fs);
if (symlink(&pkg_url[strlen(SCHEME_FILE) + 3],
pkg_fs) < 0)
errx(EXIT_FAILURE, MSG_SYMLINK_FAILED, pkg_fs);
printf(MSG_SYMLINKING_PKG, pkg_url);
continue;
}
umask(DEF_UMASK);
if ((fp = fopen(pkg_fs, "w")) == NULL)
err(EXIT_FAILURE, MSG_ERR_OPEN, pkg_fs);
if ((size = download_pkg(pkg_url, fp)) == -1) {
fprintf(stderr, MSG_PKG_NOT_AVAIL, pinstall->depend);
rc = EXIT_FAILURE;
if (!check_yesno(DEFAULT_NO))
errx(EXIT_FAILURE, MSG_PKG_NOT_AVAIL,
pinstall->depend);
pinstall->file_size = -1;
fclose(fp);
continue;
}
fclose(fp);
if (size != pinstall->file_size) {
(void)unlink(pkg_fs);
errx(EXIT_FAILURE, "download mismatch: %s", pkg_fs);
}
} /* download loop */
return rc;
}
/**
* \brief Analyse PKG_INSTALL_ERR_LOG for warnings
*/
static void
analyse_pkglog(long int filepos)
{
FILE *err_ro;
char err_line[BUFSIZ];
if (filepos < 0)
return;
err_ro = fopen(PKG_INSTALL_ERR_LOG, "r");
(void)fseek(err_ro, filepos, SEEK_SET);
while (fgets(err_line, BUFSIZ, err_ro) != NULL) {
/* Warning: [...] was built for a platform */
if (strstr(err_line, "Warning") != NULL)
warn_count++;
/* 1 package addition failed */
if (strstr(err_line, "addition failed") != NULL)
err_count++;
/* Can't install dependency */
if (strstr(err_line, "an\'t install") != NULL)
err_count++;
/* unable to verify signature */
if (strstr(err_line, "unable to verify signature") != NULL)
err_count++;
}
fclose(err_ro);
}
/**
* \brief Tags PKG_INSTALL_ERR_LOG with date
*/
#define DATELEN 64
#ifndef DEBUG
static void
log_tag(const char *fmt, ...)
{
va_list ap;
char log_action[BUFSIZ], now_date[DATELEN];
struct tm tim;
time_t now;
now = time(NULL);
tim = *(localtime(&now));
va_start(ap, fmt);
vsnprintf(log_action, BUFSIZ, fmt, ap);
va_end(ap);
(void)strftime(now_date, DATELEN, "%b %d %H:%M:%S", &tim);
fprintf(err_fp, "---%s: %s", now_date, log_action);
fflush(err_fp);
}
#endif
static void
open_pi_log(void)
{
if (!verbosity && !said) {
if ((err_fp = fopen(PKG_INSTALL_ERR_LOG, "a")) == NULL) {
fprintf(stderr, MSG_CANT_OPEN_WRITE,
PKG_INSTALL_ERR_LOG);
exit(EXIT_FAILURE);
}
dup2(fileno(err_fp), STDERR_FILENO);
rm_filepos = ftell(err_fp);
said = 1;
}
}
static void
close_pi_log(void)
{
if (!verbosity) {
analyse_pkglog(rm_filepos);
printf(MSG_WARNS_ERRS, warn_count, err_count);
if (warn_count > 0 || err_count > 0)
printf(MSG_PKG_INSTALL_LOGGING_TO, PKG_INSTALL_ERR_LOG);
}
}
/* package removal */
void
do_pkg_remove(Plisthead *removehead)
{
Pkglist *premove;
/* send pkg_delete stderr to logfile */
open_pi_log();
SLIST_FOREACH(premove, removehead, next) {
/* file not available in the repository */
if (premove->file_size == -1)
continue;
if (premove->depend == NULL)
/* SLIST corruption, badly installed package */
continue;
/* pkg_install cannot be deleted */
if (strcmp(premove->depend, PKG_INSTALL) == 0) {
printf(MSG_NOT_REMOVING, PKG_INSTALL);
continue;
}
printf(MSG_REMOVING, premove->depend);
#ifndef DEBUG
if (!verbosity)
log_tag(MSG_REMOVING, premove->depend);
if (fexec(PKG_DELETE, verb_flag("-f"), premove->depend, NULL)
!= EXIT_SUCCESS)
err_count++;
#endif
}
close_pi_log();
}
/**
* \fn do_pkg_install
*
* package installation. Don't rely on pkg_add's ability to fetch and
* install as we want to keep control on packages installation order.
* Besides, pkg_add cannot be used to install an "older" package remotely
* i.e. apache 1.3
*/
static int
do_pkg_install(Plisthead *installhead)
{
int rc = EXIT_SUCCESS;
Pkglist *pinstall;
char pkgpath[BUFSIZ], preserve[BUFSIZ];
#ifndef DEBUG
char *pflags;
#endif
/* send pkg_add stderr to logfile */
open_pi_log();
printf(MSG_INSTALL_PKG);
SLIST_FOREACH(pinstall, installhead, next) {
/* file not available in the repository */
if (pinstall->file_size == -1)
continue;
printf(MSG_INSTALLING, pinstall->depend);
snprintf(pkgpath, BUFSIZ,
"%s/%s%s", pkgin_cache, pinstall->depend, PKG_EXT);
#ifndef DEBUG
if (!verbosity)
log_tag(MSG_INSTALLING, pinstall->depend);
#endif
/* there was a previous version, record +PRESERVE path */
if (pinstall->old != NULL)
snprintf(preserve, BUFSIZ, "%s/%s/%s",
PKG_DBDIR, pinstall->old, PRESERVE_FNAME);
/* are we upgrading pkg_install ? */
if (pi_upgrade) { /* set in order.c */
/* 1st item on the list, reset the flag */
pi_upgrade = 0;
printf(MSG_UPGRADE_PKG_INSTALL, PKG_INSTALL);
if (!check_yesno(DEFAULT_YES))
continue;
}
#ifndef DEBUG
/* is the package marked as +PRESERVE ? */
if (pinstall->old != NULL && access(preserve, F_OK) != -1)
/* set temporary force flags */
/* append verbosity if requested */
pflags = verb_flag("-ffu");
else
/* every other package */
pflags = verb_flag("-D");
if (fexec(PKG_ADD, pflags, pkgpath, NULL) == EXIT_FAILURE)
rc = EXIT_FAILURE;
#endif
} /* installation loop */
close_pi_log();
return rc;
}
/* build the output line */
char *
action_list(char *flatlist, char *str)
{
int newsize;
char *newlist = NULL;
if (flatlist == NULL) {
newsize = strlen(str) + 2;
XMALLOC(newlist, newsize * sizeof(char));
snprintf(newlist, newsize, "\n%s", str);
} else {
if (str == NULL)
return flatlist;
newsize = strlen(str) + strlen(flatlist) + 2;
newlist = realloc(flatlist, newsize * sizeof(char));
strlcat(newlist, noflag ? "\n" : " ", newsize);
strlcat(newlist, str, newsize);
}
return newlist;
}
#define H_BUF 6
int
pkgin_install(char **opkgargs, uint8_t do_inst)
{
int installnum = 0, upgradenum = 0, removenum = 0;
int rc = EXIT_SUCCESS;
uint64_t file_size = 0, free_space;
int64_t size_pkg = 0;
Pkglist *premove, *pinstall;
Pkglist *pimpact;
Plisthead *impacthead; /* impact head */
Plisthead *removehead = NULL, *installhead = NULL;
char **pkgargs;
char *toinstall = NULL, *toupgrade = NULL, *toremove = NULL;
char *unmet_reqs = NULL;
char pkgpath[BUFSIZ], pkgurl[BUFSIZ], query[BUFSIZ];
char h_psize[H_BUF], h_fsize[H_BUF], h_free[H_BUF];
struct stat st;
/* transform command line globs into pkgnames */
if ((pkgargs = glob_to_pkgarg(opkgargs, &rc)) == NULL) {
printf(MSG_NOTHING_TO_DO);
return rc;
}
/* full impact list */
if ((impacthead = pkg_impact(pkgargs, &rc)) == NULL) {
printf(MSG_NOTHING_TO_DO);
free_list(pkgargs);
return rc;
}
/* check for required files */
if (!pkg_met_reqs(impacthead))
SLIST_FOREACH(pimpact, impacthead, next)
if (pimpact->action == UNMET_REQ)
unmet_reqs =
action_list(unmet_reqs, pimpact->full);
/* browse impact tree */
SLIST_FOREACH(pimpact, impacthead, next) {
/* check for conflicts */
if (pkg_has_conflicts(pimpact))
if (!check_yesno(DEFAULT_NO))
goto installend;
snprintf(pkgpath, BUFSIZ, "%s/%s%s",
pkgin_cache, pimpact->full, PKG_EXT);
snprintf(query, BUFSIZ, PKG_URL, pimpact->full);
/* retrieve repository for package */
if (pkgindb_doquery(query, pdb_get_value, pkgurl) != 0)
errx(EXIT_FAILURE, MSG_PKG_NO_REPO, pimpact->full);
/*
* if package is not already downloaded or size mismatch,
* d/l it
*/
if ((stat(pkgpath, &st) < 0 ||
st.st_size != pimpact->file_size) &&
/* don't update file_size if repo is file:// */
strncmp(pkgurl, SCHEME_FILE, strlen(SCHEME_FILE)) != 0)
file_size += pimpact->file_size;
if (pimpact->old_size_pkg > 0)
pimpact->size_pkg -= pimpact->old_size_pkg;
size_pkg += pimpact->size_pkg;
switch (pimpact->action) {
case TOUPGRADE:
upgradenum++;
installnum++;
break;
case TOINSTALL:
installnum++;
break;
case TOREMOVE:
removenum++;
break;
}
}
(void)humanize_number(h_fsize, H_BUF, (int64_t)file_size, "",
HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
(void)humanize_number(h_psize, H_BUF, size_pkg, "",
HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
/* check disk space */
free_space = fs_room(pkgin_cache);
if (free_space < file_size) {
(void)humanize_number(h_free, H_BUF, (int64_t)free_space, "",
HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
errx(EXIT_FAILURE, MSG_NO_CACHE_SPACE,
pkgin_cache, h_fsize, h_free);
}
free_space = fs_room(LOCALBASE);
if (size_pkg > 0 && free_space < (uint64_t)size_pkg) {
(void)humanize_number(h_free, H_BUF, (int64_t)free_space, "",
HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
errx(EXIT_FAILURE, MSG_NO_INSTALL_SPACE,
LOCALBASE, h_psize, h_free);
}
printf("\n");
if (upgradenum > 0) {
/* record ordered remove list before upgrade */
removehead = order_upgrade_remove(impacthead);
SLIST_FOREACH(premove, removehead, next) {
if (premove->computed == TOUPGRADE) {
toupgrade = action_list(toupgrade,
premove->depend);
#ifdef DEBUG
printf("package: %s - level: %d\n",
premove->depend, premove->level);
#endif
}
}
printf(MSG_PKGS_TO_UPGRADE, upgradenum, toupgrade);
printf("\n");
if (removenum > 0) {
SLIST_FOREACH(premove, removehead, next) {
if (premove->computed == TOREMOVE) {
toremove = action_list(toremove,
premove->depend);
#ifdef DEBUG
printf("package: %s - level: %d\n",
premove->depend,
premove->level);
#endif
}
}
/*
* some packages may have been marked as TOREMOVE, then
* discovered as TOUPGRADE
*/
if (toremove != NULL) {
printf(MSG_PKGS_TO_REMOVE, removenum, toremove);
printf("\n");
}
}
} else
printf(MSG_NOTHING_TO_UPGRADE);
if (installnum > 0) {
/* record ordered install list */
installhead = order_install(impacthead);
SLIST_FOREACH(pinstall, installhead, next) {
toinstall = action_list(toinstall, pinstall->depend);
#ifdef DEBUG
printf("package: %s - level: %d\n",
pinstall->depend, pinstall->level);
#endif
}
printf(MSG_PKGS_TO_INSTALL, installnum, h_fsize, h_psize,
toinstall);
printf("\n");
if (unmet_reqs != NULL)/* there were unmet requirements */
printf(MSG_REQT_MISSING, unmet_reqs);
if (check_yesno(DEFAULT_YES) == ANSW_NO)
exit(rc);
/*
* before erasing anything, download packages
* If there was an error while downloading, record it
*/
if (pkg_download(installhead) == EXIT_FAILURE)
rc = EXIT_FAILURE;
if (do_inst) {
/* real install, not a simple download
*
* if there was upgrades, first remove
* old packages
*/
if (upgradenum > 0) {
printf(MSG_RM_UPGRADE_PKGS);
do_pkg_remove(removehead);
}
/*
* then pass ordered install list
* If there was an error while installing,
* record it
*/
if (do_pkg_install(installhead) == EXIT_FAILURE)
rc = EXIT_FAILURE;
/* pure install, not called by pkgin_upgrade */
if (upgrade_type == UPGRADE_NONE)
(void)update_db(LOCAL_SUMMARY, pkgargs);
}
} else
printf(MSG_NOTHING_TO_INSTALL);
installend:
XFREE(toinstall);
XFREE(toupgrade);
XFREE(toremove);
XFREE(unmet_reqs);
free_pkglist(&impacthead, IMPACT);
free_pkglist(&removehead, DEPTREE);
free_pkglist(&installhead, DEPTREE);
free_list(pkgargs);
return rc;
}
int
pkgin_remove(char **pkgargs)
{
int deletenum = 0, exists, rc = EXIT_SUCCESS;
Plisthead *pdphead, *removehead;
Pkglist *pdp;
char *todelete = NULL, **ppkgargs, *pkgname, *ppkg;
pdphead = init_head();
if (SLIST_EMPTY(&l_plisthead))
errx(EXIT_FAILURE, MSG_EMPTY_LOCAL_PKGLIST);
/* act on every package passed to the command line */
for (ppkgargs = pkgargs; *ppkgargs != NULL; ppkgargs++) {
if ((pkgname =
find_exact_pkg(&l_plisthead, *ppkgargs)) == NULL) {
printf(MSG_PKG_NOT_INSTALLED, *ppkgargs);
rc = EXIT_FAILURE;
continue;
}
XSTRDUP(ppkg, pkgname);
trunc_str(ppkg, '-', STR_BACKWARD);
/* record full reverse dependency list for package */
full_dep_tree(ppkg, LOCAL_REVERSE_DEPS, pdphead);
XFREE(ppkg);
exists = 0;
/* check if package have already been recorded */
SLIST_FOREACH(pdp, pdphead, next) {
if (strncmp(pdp->depend, pkgname,
strlen(pdp->depend)) == 0) {
exists = 1;
break;
}
}
if (exists) {
XFREE(pkgname);
continue; /* next pkgarg */
}
/* add package itself */
pdp = malloc_pkglist(DEPTREE);
pdp->depend = pkgname;
if (SLIST_EMPTY(pdphead))
/*
* identify unique package,
* don't cut it when ordering
*/
pdp->level = -1;
else
pdp->level = 0;
XSTRDUP(pdp->name, pdp->depend);
trunc_str(pdp->name, '-', STR_BACKWARD);
SLIST_INSERT_HEAD(pdphead, pdp, next);
} /* for pkgargs */
/* order remove list */
removehead = order_remove(pdphead);
SLIST_FOREACH(pdp, removehead, next) {
deletenum++;
todelete = action_list(todelete, pdp->depend);
}
if (todelete != NULL) {
printf(MSG_PKGS_TO_DELETE, deletenum, todelete);
printf("\n");
if (check_yesno(DEFAULT_YES)) {
do_pkg_remove(removehead);
(void)update_db(LOCAL_SUMMARY, NULL);
}
analyse_pkglog(rm_filepos);
} else
printf(MSG_NO_PKGS_TO_DELETE);
free_pkglist(&removehead, DEPTREE);
free_pkglist(&pdphead, DEPTREE);
XFREE(todelete);
return rc;
}
/*
* find closest match for packages to be upgraded
* if we have mysql-5.1.10 installed prefer mysql-5.1.20 over
* mysql-5.5.20 when upgrading
*/
static char *
narrow_match(Pkglist *opkg)
{
Pkglist *pkglist;
char *best_match;
/* for now, best match is old package itself */
XSTRDUP(best_match, opkg->full);
SLIST_FOREACH(pkglist, &r_plisthead, next) {
/* not the same pkgname, next */
if (safe_strcmp(opkg->name, pkglist->name) != 0)
continue;
/* some bad packages have their PKG_PATH set to NULL */
if (opkg->pkgpath != NULL && pkglist->pkgpath != NULL)
/*
* if PKGPATH does not match, do not try to update
* (mysql 5.1/5.5)
*/
if (strcmp(opkg->pkgpath, pkglist->pkgpath) != 0)
continue;
/* same package version, next */
if (safe_strcmp(opkg->full, pkglist->full) == 0)
continue;
/* second package is greater */
if (version_check(best_match, pkglist->full) == 2) {
XFREE(best_match);
XSTRDUP(best_match, pkglist->full);
}
} /* SLIST_FOREACH remoteplisthead */
/* there was no upgrade candidate */
if (strcmp(best_match, opkg->full) == 0)
XFREE(best_match);
return best_match;
}
static char **
record_upgrades(Plisthead *plisthead)
{
Pkglist *pkglist;
int count = 0;
char **pkgargs;
SLIST_FOREACH(pkglist, plisthead, next)
count++;
XMALLOC(pkgargs, (count + 2) * sizeof(char *));
count = 0;
SLIST_FOREACH(pkglist, plisthead, next) {
pkgargs[count] = narrow_match(pkglist);
if (pkgargs[count] == NULL)
continue;
count++;
}
pkgargs[count] = NULL;
return pkgargs;
}
int
pkgin_upgrade(int uptype)
{
Plistnumbered *keeplisthead;
Plisthead *localplisthead;
char **pkgargs;
int rc;
/* used for pkgin_install not to update database, this is done below */
upgrade_type = uptype;
/* record keepable packages */
if ((keeplisthead = rec_pkglist(KEEP_LOCAL_PKGS)) == NULL)
errx(EXIT_FAILURE, MSG_EMPTY_KEEP_LIST);
/* upgrade all packages, not only keepables */
if (uptype == UPGRADE_ALL) {
if (SLIST_EMPTY(&l_plisthead))
errx(EXIT_FAILURE, MSG_EMPTY_LOCAL_PKGLIST);
localplisthead = &l_plisthead;
} else
/* upgrade only keepables packages */
localplisthead = keeplisthead->P_Plisthead;
pkgargs = record_upgrades(localplisthead);
rc = pkgin_install(pkgargs, DO_INST);
/*
* full upgrade, we need to record keep-packages
* in order to restore them
*/
if (uptype == UPGRADE_ALL) {
free_list(pkgargs);
/* record keep list */
pkgargs = record_upgrades(keeplisthead->P_Plisthead);
}
(void)update_db(LOCAL_SUMMARY, pkgargs);
free_list(pkgargs);
free_pkglist(&keeplisthead->P_Plisthead, LIST);
free(keeplisthead);
return rc;
}