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pacman/src/pacman/pacman.c

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/*
* pacman.c
*
* Copyright (c) 2002-2005 by Judd Vinet <jvinet@zeroflux.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <getopt.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <signal.h>
#include <stdarg.h>
#include <mcheck.h> /* debug */
#include <alpm.h>
/* pacman */
#include "list.h"
#include "util.h"
#include "download.h"
#include "conf.h"
#include "package.h"
#include "add.h"
#include "remove.h"
#include "upgrade.h"
#include "query.h"
#include "sync.h"
#include "pacman.h"
/* command line options */
char *pmo_root = NULL;
char *pmo_dbpath = NULL;
char *pmo_configfile = NULL;
unsigned short pmo_op = PM_OP_MAIN;
unsigned short pmo_verbose = 0;
unsigned short pmo_version = 0;
unsigned short pmo_help = 0;
unsigned short pmo_upgrade = 0;
unsigned short pmo_nosave = 0;
unsigned short pmo_noconfirm = 0;
unsigned short pmo_d_vertest = 0;
unsigned short pmo_d_resolve = 0;
unsigned short pmo_q_isfile = 0;
unsigned short pmo_q_info = 0;
unsigned short pmo_q_list = 0;
unsigned short pmo_q_orphans = 0;
unsigned short pmo_q_owns = 0;
unsigned short pmo_q_search = 0;
unsigned short pmo_s_upgrade = 0;
unsigned short pmo_s_downloadonly = 0;
unsigned short pmo_s_printuris = 0;
unsigned short pmo_s_sync = 0;
unsigned short pmo_s_search = 0;
unsigned short pmo_s_clean = 0;
unsigned short pmo_group = 0;
unsigned char pmo_flags = 0;
/* configuration file option */
list_t *pmo_holdpkg = NULL;
char *pmo_proxyhost = NULL;
unsigned short pmo_proxyport = 0;
char *pmo_xfercommand = NULL;
unsigned short pmo_nopassiveftp = 0;
PM_DB *db_local;
/* list of (sync_t *) structs for sync locations */
list_t *pmc_syncs = NULL;
/* list of targets specified on command line */
list_t *pm_targets = NULL;
int maxcols = 80;
int neednl = 0; /* for cleaner message output */
int main(int argc, char *argv[])
{
int ret = 0;
char *cenv = NULL;
/* debug */
mtrace();
cenv = getenv("COLUMNS");
if(cenv != NULL) {
maxcols = atoi(cenv);
}
if(argc < 2) {
usage(PM_OP_MAIN, basename(argv[0]));
return(0);
}
/* set signal handlers */
signal(SIGINT, cleanup);
signal(SIGTERM, cleanup);
/* parse the command line */
ret = parseargs(argc, argv);
if(ret != 0) {
exit(ret);
}
if(pmo_root == NULL) {
pmo_root = strdup("/");
}
/* initialize pm library */
if(alpm_initialize(pmo_root) == -1) {
ERR(NL, "failed to initilize alpm library (%s)\n", alpm_strerror(pm_errno));
cleanup(1);
}
/* add a trailing '/' if there isn't one */
if(pmo_root[strlen(pmo_root)-1] != '/') {
char *ptr;
MALLOC(ptr, strlen(pmo_root)+2);
strcpy(ptr, pmo_root);
strcat(ptr, "/");
FREE(pmo_root);
pmo_root = ptr;
}
if(pmo_configfile == NULL) {
pmo_configfile = strdup(PACCONF);
}
if(parseconfig(pmo_configfile) == -1) {
cleanup(1);
}
if(pmo_dbpath == NULL) {
pmo_dbpath = strdup("var/lib/pacman");
}
/* set library parameters */
if(pmo_verbose == 1) {
if(alpm_set_option(PM_OPT_LOGMASK, (long)0xFF) == -1) {
ERR(NL, "failed to set option LOGMASK (%s)\n", alpm_strerror(pm_errno));
cleanup(1);
}
if(alpm_set_option(PM_OPT_LOGCB, (long)cb_log) == -1) {
ERR(NL, "failed to set option LOGCB (%s)\n", alpm_strerror(pm_errno));
cleanup(1);
}
}
if(alpm_set_option(PM_OPT_DBPATH, (long)pmo_dbpath) == -1) {
ERR(NL, "failed to set option DBPATH (%s)\n", alpm_strerror(pm_errno));
cleanup(1);
}
if(pmo_verbose > 1) {
printf("Root : %s\n", pmo_root);
printf("DBPath: %s\n", pmo_dbpath);
list_display("Targets:", pm_targets);
}
/* Opening local database */
if(alpm_db_register("local", &db_local) == -1) {
ERR(NL, "could not register 'local' database (%s)\n", alpm_strerror(pm_errno));
cleanup(1);
}
/* start the requested operation */
switch(pmo_op) {
case PM_OP_ADD: ret = pacman_add(pm_targets); break;
case PM_OP_REMOVE: ret = pacman_remove(pm_targets); break;
case PM_OP_UPGRADE: ret = pacman_upgrade(pm_targets); break;
case PM_OP_QUERY: ret = pacman_query(pm_targets); break;
case PM_OP_SYNC: ret = pacman_sync(pm_targets); break;
case PM_OP_DEPTEST: ret = pacman_deptest(pm_targets); break;
case PM_OP_MAIN: ret = 0; break;
default:
ERR(NL, "no operation specified (use -h for help)\n\n");
ret = 1;
}
cleanup(ret);
/* not reached */
return(0);
}
void cleanup(int signum)
{
list_t *lp;
/* free pm library resources */
if(alpm_release() == -1) {
ERR(NL, "%s\n", alpm_strerror(pm_errno));
}
/* free memory */
for(lp = pmc_syncs; lp; lp = lp->next) {
sync_t *sync = lp->data;
list_t *i;
for(i = sync->servers; i; i = i->next) {
server_t *server = i->data;
FREE(server->protocol);
FREE(server->server);
FREE(server->path);
}
FREELIST(sync->servers);
FREE(sync->treename);
}
FREELIST(pmc_syncs);
FREE(pmo_root);
FREE(pmo_dbpath);
FREE(pmo_configfile);
FREE(pmo_proxyhost);
FREE(pmo_xfercommand);
FREELIST(pm_targets);
/* debug */
muntrace();
fflush(stdout);
exit(signum);
}
/* Callback to handle notifications from the library
*/
void cb_log(unsigned short level, char *msg)
{
char str[8] = "";
switch(level) {
case PM_LOG_DEBUG:
sprintf(str, "DEBUG");
break;
case PM_LOG_ERROR:
sprintf(str, "ERROR");
break;
case PM_LOG_WARNING:
sprintf(str, "WARNING");
break;
case PM_LOG_FLOW1:
sprintf(str, "FLOW1");
break;
case PM_LOG_FLOW2:
sprintf(str, "FLOW2");
break;
case PM_LOG_FUNCTION:
sprintf(str, "FUNCTION");
break;
default:
sprintf(str, "???");
break;
}
if(strlen(str) > 0) {
MSG(NL, "%s: %s\n", str, msg);
}
}
/* Callback to handle transaction events
*/
void cb_trans(unsigned short event, void *data1, void *data2)
{
char str[256] = "";
switch(event) {
case PM_TRANS_EVT_DEPS_START:
MSG(NL, "checking dependencies... ");
break;
case PM_TRANS_EVT_CONFLICTS_START:
MSG(NL, "checking for file conflicts... ");
break;
case PM_TRANS_EVT_DEPS_DONE:
case PM_TRANS_EVT_CONFLICTS_DONE:
MSG(CL, "done.\n");
break;
case PM_TRANS_EVT_ADD_START:
MSG(NL, "installing %s... ", (char *)alpm_pkg_getinfo(data1, PM_PKG_NAME));
break;
case PM_TRANS_EVT_ADD_DONE:
MSG(CL, "done.\n");
snprintf(str, 256, "installed %s (%s)",
(char *)alpm_pkg_getinfo(data1, PM_PKG_NAME),
(char *)alpm_pkg_getinfo(data1, PM_PKG_VERSION));
alpm_logaction(str);
break;
case PM_TRANS_EVT_REMOVE_START:
MSG(NL, "removing %s... ", (char *)alpm_pkg_getinfo(data1, PM_PKG_NAME));
break;
case PM_TRANS_EVT_REMOVE_DONE:
MSG(CL, "done.\n");
snprintf(str, 256, "removed %s (%s)",
(char *)alpm_pkg_getinfo(data1, PM_PKG_NAME),
(char *)alpm_pkg_getinfo(data1, PM_PKG_VERSION));
alpm_logaction(str);
break;
case PM_TRANS_EVT_UPGRADE_START:
MSG(NL, "upgrading %s... ", (char *)alpm_pkg_getinfo(data1, PM_PKG_NAME));
break;
case PM_TRANS_EVT_UPGRADE_DONE:
MSG(CL, "done.\n");
snprintf(str, 256, "upgraded %s (%s -> %s)",
(char *)alpm_pkg_getinfo(data1, PM_PKG_NAME),
(char *)alpm_pkg_getinfo(data1, PM_PKG_VERSION),
(char *)alpm_pkg_getinfo(data2, PM_PKG_VERSION));
alpm_logaction(str);
break;
}
}
int pacman_deptest(list_t *targets)
{
PM_LIST *lp, *data;
PM_PKG *dummy;
if(pmo_d_vertest) {
/* ORE
if(targets && targets->data && targets->next && targets->next->data) {
int ret = rpmvercmp(targets->data, targets->next->data);
printf("%d\n", ret);
return(ret);
}*/
return(0);
}
/* we create a transaction to hold a dummy package to be able to use
* pm_trans_prepare() */
/* ORE
trans = alpm_trans_new(PM_TRANS_ADD, 0);
if(trans == NULL) {
FREEPKG(dummy);
ERR(NL, "error: can't allocate %d bytes\n", sizeof(pm_pkginfo_t));
exit(1);
}
dummy = (pm_pkginfo_t *)malloc(sizeof(pm_pkginfo_t));
if(dummy == NULL) {
ERR(NL, "error: can't allocate %d bytes\n", sizeof(pm_pkginfo_t));
exit(1);
}
sprintf(dummy->name, "_dummy_");
sprintf(dummy->version, "1.0-1");
for(i = targets; i; i = i->next) {
if(i->data == NULL) continue;
dummy->depends = list_add(dummy->depends, strdup(i->data)));
}
trans->targets = list_add(trans->targets, strdup(dummy->name));*/
if(alpm_trans_prepare(&data) == -1) {
int ret = 126;
list_t *synctargs = NULL;
switch(pm_errno) {
case PM_ERR_UNSATISFIED_DEPS:
for(lp = alpm_list_first(data); lp; lp = alpm_list_next(lp)) {
pmdepmissing_t *miss = alpm_list_getdata(lp);
if(!pmo_d_resolve) {
MSG(NL, "requires: %s", miss->depend.name);
switch(miss->depend.mod) {
case PM_DEP_EQ: MSG(CL, "=%s", miss->depend.version); break;
case PM_DEP_GE: MSG(CL, ">=%s", miss->depend.version); break;
case PM_DEP_LE: MSG(CL, "<=%s", miss->depend.version); break;
}
MSG(CL, "\n");
}
synctargs = list_add(synctargs, strdup(miss->depend.name));
}
alpm_list_free(data);
break;
case PM_ERR_CONFLICTING_DEPS:
/* we can't auto-resolve conflicts */
for(lp = alpm_list_first(data); lp; lp = alpm_list_next(lp)) {
pmdepmissing_t *miss = alpm_list_getdata(lp);
MSG(NL, "conflict: %s", miss->depend.name);
}
ret = 127;
alpm_list_free(data);
break;
default:
ret = 127;
break;
}
/* attempt to resolve missing dependencies */
/* TODO: handle version comparators (eg, glibc>=2.2.5) */
if(ret == 126 && synctargs != NULL) {
if(!pmo_d_resolve || pacman_sync(synctargs) != 0) {
/* error (or -D not used) */
ret = 127;
}
}
FREELIST(synctargs);
FREEPKG(dummy);
return(ret);
}
FREEPKG(dummy);
return(0);
}
/* Parse command-line arguments for each operation
* argc: argc
* argv: argv
*
* Returns: 0 on success, 1 on error
*/
int parseargs(int argc, char **argv)
{
int opt;
int option_index = 0;
static struct option opts[] =
{
{"add", no_argument, 0, 'A'},
{"remove", no_argument, 0, 'R'},
{"upgrade", no_argument, 0, 'U'},
{"freshen", no_argument, 0, 'F'},
{"query", no_argument, 0, 'Q'},
{"sync", no_argument, 0, 'S'},
{"deptest", no_argument, 0, 'T'},
{"vertest", no_argument, 0, 'Y'},
{"resolve", no_argument, 0, 'D'},
{"root", required_argument, 0, 'r'},
{"dbpath", required_argument, 0, 'b'},
{"verbose", no_argument, 0, 'v'},
{"version", no_argument, 0, 'V'},
{"help", no_argument, 0, 'h'},
{"search", no_argument, 0, 's'},
{"clean", no_argument, 0, 'c'},
{"force", no_argument, 0, 'f'},
{"nodeps", no_argument, 0, 'd'},
{"orphans", no_argument, 0, 'e'},
{"nosave", no_argument, 0, 'n'},
{"owns", no_argument, 0, 'o'},
{"list", no_argument, 0, 'l'},
{"file", no_argument, 0, 'p'},
{"info", no_argument, 0, 'i'},
{"sysupgrade", no_argument, 0, 'u'},
{"downloadonly", no_argument, 0, 'w'},
{"refresh", no_argument, 0, 'y'},
{"dbonly", no_argument, 0, 'k'},
{"cascade", no_argument, 0, 'c'},
{"recursive", no_argument, 0, 's'},
{"groups", no_argument, 0, 'g'},
{"noconfirm", no_argument, 0, 1000},
{"config", required_argument, 0, 1001},
{0, 0, 0, 0}
};
char root[256];
while((opt = getopt_long(argc, argv, "ARUFQSTDYr:b:vkhscVfnoldepiuwyg", opts, &option_index))) {
if(opt < 0) {
break;
}
switch(opt) {
case 0: break;
case 1000: pmo_noconfirm = 1; break;
case 1001: pmo_configfile = strndup(optarg, PATH_MAX); break;
case 'A': pmo_op = (pmo_op != PM_OP_MAIN ? 0 : PM_OP_ADD); break;
case 'R': pmo_op = (pmo_op != PM_OP_MAIN ? 0 : PM_OP_REMOVE); break;
case 'U': pmo_op = (pmo_op != PM_OP_MAIN ? 0 : PM_OP_UPGRADE); break;
case 'F': pmo_op = (pmo_op != PM_OP_MAIN ? 0 : PM_OP_UPGRADE); pmo_flags |= PM_TRANS_FLAG_FRESHEN; break;
case 'Q': pmo_op = (pmo_op != PM_OP_MAIN ? 0 : PM_OP_QUERY); break;
case 'S': pmo_op = (pmo_op != PM_OP_MAIN ? 0 : PM_OP_SYNC); break;
case 'T': pmo_op = (pmo_op != PM_OP_MAIN ? 0 : PM_OP_DEPTEST); break;
case 'Y': pmo_op = (pmo_op != PM_OP_MAIN ? 0 : PM_OP_DEPTEST); pmo_d_vertest = 1; break;
case 'D': pmo_op = (pmo_op != PM_OP_MAIN ? 0 : PM_OP_DEPTEST); pmo_d_resolve = 1; break;
case 'h': pmo_help = 1; break;
case 'V': pmo_version = 1; break;
case 'b': pmo_dbpath = strdup(optarg); break;
case 'c': pmo_s_clean++; pmo_flags |= PM_TRANS_FLAG_CASCADE; break;
case 'd': pmo_flags |= PM_TRANS_FLAG_NODEPS; break;
case 'e': pmo_q_orphans = 1; break;
case 'f': pmo_flags |= PM_TRANS_FLAG_FORCE; break;
case 'g': pmo_group = 1; break;
case 'i': pmo_q_info++; break;
case 'k': pmo_flags |= PM_TRANS_FLAG_DBONLY; break;
case 'l': pmo_q_list = 1; break;
case 'n': pmo_flags |= PM_TRANS_FLAG_NOSAVE; break;
case 'p': pmo_q_isfile = 1; break;
case 'o': pmo_q_owns = 1; break;
case 'r':
if(realpath(optarg, root) == NULL) {
perror("bad root path");
return(1);
}
pmo_root = strdup(root);
break;
case 's': pmo_s_search = 1; pmo_q_search = 1; pmo_flags |= PM_TRANS_FLAG_RECURSE; break;
case 'u': pmo_s_upgrade = 1; break;
case 'v': pmo_verbose++; break;
case 'w': pmo_s_downloadonly = 1; break;
case 'y': pmo_s_sync = 1; break;
case '?': return(1);
default: return(1);
}
}
if(pmo_op == 0) {
ERR(NL, "only one operation may be used at a time\n\n");
return(1);
}
if(pmo_help) {
usage(pmo_op, basename(argv[0]));
return(2);
}
if(pmo_version) {
version();
return(2);
}
while(optind < argc) {
/* add the target to our target array */
char *s = strdup(argv[optind]);
pm_targets = list_add(pm_targets, s);
optind++;
}
return(0);
}
/* Display usage/syntax for the specified operation.
* op: the operation code requested
* myname: basename(argv[0])
*/
void usage(int op, char *myname)
{
if(op == PM_OP_MAIN) {
printf("usage: %s {-h --help}\n", myname);
printf(" %s {-V --version}\n", myname);
printf(" %s {-A --add} [options] <file>\n", myname);
printf(" %s {-R --remove} [options] <package>\n", myname);
printf(" %s {-U --upgrade} [options] <file>\n", myname);
printf(" %s {-F --freshen} [options] <file>\n", myname);
printf(" %s {-Q --query} [options] [package]\n", myname);
printf(" %s {-S --sync} [options] [package]\n", myname);
printf("\nuse '%s --help' with other options for more syntax\n\n", myname);
} else {
if(op == PM_OP_ADD) {
printf("usage: %s {-A --add} [options] <file>\n", myname);
printf("options:\n");
printf(" -d, --nodeps skip dependency checks\n");
printf(" -f, --force force install, overwrite conflicting files\n");
} else if(op == PM_OP_REMOVE) {
printf("usage: %s {-R --remove} [options] <package>\n", myname);
printf("options:\n");
printf(" -c, --cascade remove packages and all packages that depend on them\n");
printf(" -d, --nodeps skip dependency checks\n");
printf(" -k, --dbonly only remove database entry, do not remove files\n");
printf(" -n, --nosave remove configuration files as well\n");
printf(" -s, --recursive remove dependencies also (that won't break packages)\n");
} else if(op == PM_OP_UPGRADE) {
if(pmo_flags & PM_TRANS_FLAG_FRESHEN) {
printf("usage: %s {-F --freshen} [options] <file>\n", myname);
} else {
printf("usage: %s {-U --upgrade} [options] <file>\n", myname);
}
printf("options:\n");
printf(" -d, --nodeps skip dependency checks\n");
printf(" -f, --force force install, overwrite conflicting files\n");
} else if(op == PM_OP_QUERY) {
printf("usage: %s {-Q --query} [options] [package]\n", myname);
printf("options:\n");
printf(" -e, --orphans list all packages that were explicitly installed\n");
printf(" and are not required by any other packages\n");
printf(" -g, --groups view all members of a package group\n");
printf(" -i, --info view package information\n");
printf(" -l, --list list the contents of the queried package\n");
printf(" -o, --owns <file> query the package that owns <file>\n");
printf(" -p, --file pacman will query the package file [package] instead of\n");
printf(" looking in the database\n");
printf(" -s, --search search locally-installed packages for matching strings\n");
} else if(op == PM_OP_SYNC) {
printf("usage: %s {-S --sync} [options] [package]\n", myname);
printf("options:\n");
printf(" -c, --clean remove old packages from cache directory (use -cc for all)\n");
printf(" -d, --nodeps skip dependency checks\n");
printf(" -f, --force force install, overwrite conflicting files\n");
printf(" -g, --groups view all members of a package group\n");
printf(" -s, --search search remote repositories for matching strings\n");
printf(" -u, --sysupgrade upgrade all packages that are out of date\n");
printf(" -w, --downloadonly download packages but do not install/upgrade anything\n");
printf(" -y, --refresh download fresh package databases from the server\n");
}
printf(" --config <path> set an alternate configuration file\n");
printf(" --noconfirm do not ask for anything confirmation\n");
printf(" -v, --verbose be verbose\n");
printf(" -r, --root <path> set an alternate installation root\n");
printf(" -b, --dbpath <path> set an alternate database location\n");
}
}
/* Version
*/
void version()
{
printf("\n");
printf(" .--. Pacman v%s\n", ALPM_VERSION);
printf("/ _.-' .-. .-. .-. Copyright (C) 2002-2003 Judd Vinet <jvinet@zeroflux.org>\n");
printf("\\ '-. '-' '-' '-' \n");
printf(" '--' This program may be freely redistributed under\n");
printf(" the terms of the GNU General Public License\n\n");
}
/*
* Misc functions
*/
/* Condense a list of strings into one long (space-delimited) string
*/
char *buildstring(list_t *strlist)
{
char *str;
int size = 1;
list_t *lp;
for(lp = strlist; lp; lp = lp->next) {
size += strlen(lp->data) + 1;
}
str = (char *)malloc(size);
if(str == NULL) {
ERR(NL, "failed to allocated %d bytes\n", size);
}
str[0] = '\0';
for(lp = strlist; lp; lp = lp->next) {
strcat(str, lp->data);
strcat(str, " ");
}
/* shave off the last space */
str[strlen(str)-1] = '\0';
return(str);
}
/* Check verbosity option and, if set, print the
* string to stdout
*/
void vprint(char *fmt, ...)
{
va_list args;
if(pmo_verbose > 1) {
if(neednl == 1) {
fprintf(stdout, "\n");
neednl = 0;
}
va_start(args, fmt);
pm_fprintf(stdout, NL, fmt, args);
va_end(args);
}
}
void pm_fprintf(FILE *file, unsigned short line, char *fmt, ...)
{
va_list args;
char str[256];
if(neednl == 1 && line == NL) {
fprintf(stdout, "\n");
neednl = 0;
}
va_start(args, fmt);
vsnprintf(str, 256, fmt, args);
va_end(args);
fprintf(file, str);
fflush(file);
neednl = (str[strlen(str)-1] == 10) ? 0 : 1;
}
/* vim: set ts=2 sw=2 noet: */
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