freebsd-skq/usr.sbin/pkg_install/version/perform.c
2011-12-30 10:58:14 +00:00

422 lines
11 KiB
C

/*
* FreeBSD install - a package for the installation and maintenance
* of non-core utilities.
*
* 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.
*
* Jeremy D. Lea.
* 11 May 2002
*
* This is the version module. Based on pkg_version.pl by Bruce A. Mah.
*
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "lib.h"
#include "version.h"
#include <err.h>
#include <fetch.h>
#include <signal.h>
FILE *IndexFile;
char IndexPath[PATH_MAX] = "";
struct index_head Index = SLIST_HEAD_INITIALIZER(Index);
static int pkg_do(char *);
static void show_version(Package, const char *, const char *);
/*
* This is the traditional pkg_perform, except that the argument is _not_ a
* list of packages. It is the index file from the command line.
*
* We loop over the installed packages, matching them with the -s flag if
* needed and calling pkg_do(). Beforehand we set up a few things, and after
* we tear them down...
*
* Returns 0 on success, non-zero on failure, corresponding to the number of
* failed attempts to access the INDEX.
*/
int
pkg_perform(char **indexarg)
{
char **pkgs, *pat[2], **patterns;
struct index_entry *ie;
int i, err_cnt = 0, rel_major_ver;
int MatchType;
struct utsname u;
if (uname(&u) == -1) {
warn("%s(): failed to determine uname information", __func__);
return 1;
} else if ((rel_major_ver = (int) strtol(u.release, NULL, 10)) <= 0) {
}
/*
* Try to find and open the INDEX. We only check IndexFile != NULL
* later, if we actually need the INDEX.
*/
if (*indexarg == NULL) {
snprintf(IndexPath, sizeof(IndexPath), "%s/INDEX-%d", PORTS_DIR,
rel_major_ver);
} else
strlcpy(IndexPath, *indexarg, sizeof(IndexPath));
if (isURL(IndexPath))
IndexFile = fetchGetURL(IndexPath, "");
else
IndexFile = fopen(IndexPath, "r");
/* Get either a list of matching or all packages */
if (MatchName != NULL) {
pat[0] = MatchName;
pat[1] = NULL;
MatchType = RegexExtended ? MATCH_EREGEX : MATCH_REGEX;
patterns = pat;
} else {
MatchType = MATCH_ALL;
patterns = NULL;
}
if (LookUpOrigin != NULL)
pkgs = matchbyorigin(LookUpOrigin, &err_cnt);
else
pkgs = matchinstalled(MatchType, patterns, &err_cnt);
if (err_cnt != 0)
errx(2, "Unable to find package database directory!");
if (pkgs == NULL) {
if (LookUpOrigin != NULL) {
warnx("no packages recorded with this origin");
return (1);
} else {
switch (MatchType) {
case MATCH_ALL:
warnx("no packages installed");
return (0);
case MATCH_EREGEX:
case MATCH_REGEX:
warnx("no packages match pattern");
return (1);
default:
break;
}
}
}
for (i = 0; pkgs[i] != NULL; i++)
err_cnt += pkg_do(pkgs[i]);
/* If we opened the INDEX in pkg_do(), clean up. */
while (!SLIST_EMPTY(&Index)) {
ie = SLIST_FIRST(&Index);
SLIST_REMOVE_HEAD(&Index, next);
if (ie->name != NULL)
free(ie->name);
if (ie->origin != NULL)
free(ie->origin);
free(ie);
}
if (IndexFile != NULL)
fclose(IndexFile);
return err_cnt;
}
/*
* Traditional pkg_do(). We take the package name we are passed and
* first slurp in the CONTENTS file, getting name and origin, then
* we look for it's corresponding Makefile. If that fails we pull in
* the INDEX, and check there.
*/
static int
pkg_do(char *pkg)
{
char *ch, tmp[PATH_MAX], tmp2[PATH_MAX], *latest = NULL;
Package plist;
struct index_entry *ie;
FILE *fp;
size_t len;
/* Suck in the contents list. */
plist.head = plist.tail = NULL;
plist.name = plist.origin = NULL;
snprintf(tmp, PATH_MAX, "%s/%s/%s", LOG_DIR, pkg, CONTENTS_FNAME);
fp = fopen(tmp, "r");
if (!fp) {
warnx("the package info for package '%s' is corrupt", pkg);
return 1;
}
read_plist(&plist, fp);
fclose(fp);
if (plist.name == NULL) {
warnx("%s does not appear to be a valid package!", pkg);
return 1;
}
/*
* First we check if the installed package has an origin, and try
* looking for it's Makefile. If we find the Makefile we get the
* latest version from there. If we fail, we start looking in the
* INDEX, first matching the origin and then the package name.
*/
if (plist.origin != NULL && !UseINDEXOnly) {
snprintf(tmp, PATH_MAX, "%s/%s", PORTS_DIR, plist.origin);
if (isdir(tmp) && chdir(tmp) != FAIL && isfile("Makefile")) {
if ((latest = vpipe("/usr/bin/make -V PKGNAME", tmp)) == NULL)
warnx("Failed to get PKGNAME from %s/Makefile!", tmp);
else
show_version(plist, latest, "port");
}
}
if (latest == NULL) {
/* Report package as not found in INDEX if the INDEX is not required. */
if (IndexFile == NULL && !UseINDEXOnly)
show_version(plist, NULL, plist.origin);
else {
/* We only pull in the INDEX once, if needed. */
if (SLIST_EMPTY(&Index)) {
if (!IndexFile)
errx(2, "Unable to open %s in %s.", IndexPath, __func__);
while ((ch = fgetln(IndexFile, &len)) != NULL) {
/*
* Don't use strlcpy() because fgetln() doesn't
* return a valid C string.
*/
strncpy(tmp, ch, MIN(len, PATH_MAX));
tmp[PATH_MAX-1] = '\0';
/* The INDEX has pkgname|portdir|... */
if ((ch = strchr(tmp, '|')) != NULL)
ch[0] = '\0';
if (ch != NULL && (ch = strchr(&ch[1], '|')) != NULL)
ch[0] = '\0';
/* Look backwards for the last two dirs = origin */
while (ch != NULL && *--ch != '/')
if (ch[0] == '\0')
ch = NULL;
while (ch != NULL && *--ch != '/')
if (ch[0] == '\0')
ch = NULL;
if (ch == NULL)
errx(2, "The INDEX does not appear to be valid!");
if ((ie = malloc(sizeof(struct index_entry))) == NULL)
errx(2, "Unable to allocate memory in %s.", __func__);
bzero(ie, sizeof(struct index_entry));
ie->name = strdup(tmp);
ie->origin = strdup(&ch[1]);
/* Who really cares if we reverse the index... */
SLIST_INSERT_HEAD(&Index, ie, next);
}
}
/* Now that we've slurped in the INDEX... */
SLIST_FOREACH(ie, &Index, next) {
if (plist.origin != NULL) {
if (strcmp(plist.origin, ie->origin) == 0)
latest = strdup(ie->name);
} else {
strlcpy(tmp, ie->name, PATH_MAX);
strlcpy(tmp2, plist.name, PATH_MAX);
/* Chop off the versions and compare. */
if ((ch = strrchr(tmp, '-')) == NULL)
errx(2, "The INDEX does not appear to be valid!");
ch[0] = '\0';
if ((ch = strrchr(tmp2, '-')) == NULL)
warnx("%s is not a valid package!", plist.name);
else
ch[0] = '\0';
if (strcmp(tmp2, tmp) == 0) {
if (latest != NULL) {
/* Multiple matches */
snprintf(tmp, PATH_MAX, "%s|%s", latest, ie->name);
free(latest);
latest = strdup(tmp);
} else
latest = strdup(ie->name);
}
}
}
if (latest == NULL)
show_version(plist, NULL, NULL);
else
show_version(plist, latest, "index");
}
}
if (latest != NULL)
free(latest);
free_plist(&plist);
return 0;
}
#define OUTPUT(c) ((PreventChars != NULL && !strchr(PreventChars, (c))) || \
(LimitChars != NULL && strchr(LimitChars, (c))) || \
(PreventChars == NULL && LimitChars == NULL))
/*
* Do the work of comparing and outputing. Ugly, but well that's what
* You get when you try to match perl output in C ;-).
*/
void
show_version(Package plist, const char *latest, const char *source)
{
char *ch, tmp[PATH_MAX];
const char *ver;
int cmp = 0;
if (!plist.name || strlen(plist.name) == 0)
return;
if (ShowOrigin != FALSE && plist.origin != NULL)
strlcpy(tmp, plist.origin, PATH_MAX);
else {
strlcpy(tmp, plist.name, PATH_MAX);
if (!Verbose) {
if ((ch = strrchr(tmp, '-')) != NULL)
ch[0] = '\0';
}
}
if (latest == NULL) {
if (source == NULL && OUTPUT('!')) {
printf("%-34s !", tmp);
if (Verbose)
printf(" Comparison failed");
printf("\n");
} else if (OUTPUT('?')) {
printf("%-34s ?", tmp);
if (Verbose)
printf(" orphaned: %s", plist.origin);
printf("\n");
}
} else if (strchr(latest,'|') != NULL) {
if (OUTPUT('*')) {
printf("%-34s *", tmp);
if (Verbose) {
strlcpy(tmp, latest, PATH_MAX);
ch = strchr(tmp, '|');
ch[0] = '\0';
ver = strrchr(tmp, '-');
ver = ver ? &ver[1] : tmp;
printf(" multiple versions (index has %s", ver);
do {
ver = strrchr(&ch[1], '-');
ver = ver ? &ver[1] : &ch[1];
if ((ch = strchr(&ch[1], '|')) != NULL)
ch[0] = '\0';
printf(", %s", ver);
} while (ch != NULL);
printf(")");
}
printf("\n");
}
} else {
cmp = version_cmp(plist.name, latest);
ver = strrchr(latest, '-');
ver = ver ? &ver[1] : latest;
if (cmp < 0 && OUTPUT('<')) {
printf("%-34s %c", tmp, Quiet ? '\0' : '<');
if (Verbose)
printf(" needs updating (%s has %s)", source, ver);
printf("\n");
} else if (cmp == 0 && OUTPUT('=')) {
printf("%-34s %c", tmp, Quiet ? '\0' : '=');
if (Verbose)
printf(" up-to-date with %s", source);
printf("\n");
} else if (cmp > 0 && OUTPUT('>')) {
printf("%-34s %c", tmp, Quiet ? '\0' : '>');
if (Verbose)
printf(" succeeds %s (%s has %s)", source, source, ver);
printf("\n");
}
}
}
int
version_match(char *pattern, const char *pkgname)
{
int ret = 0;
int matchstream = 0;
FILE *fp = NULL;
Boolean isTMP = FALSE;
if (isURL(pkgname)) {
fp = fetchGetURL(pkgname, "");
isTMP = TRUE;
matchstream = 1;
if (fp == NULL)
errx(2, "Unable to open %s.", pkgname);
} else if (pkgname[0] == '/') {
fp = fopen(pkgname, "r");
isTMP = TRUE;
matchstream = 1;
if (fp == NULL)
errx(2, "Unable to open %s.", pkgname);
} else if (strcmp(pkgname, "-") == 0) {
fp = stdin;
matchstream = 1;
} else if (isURL(pattern)) {
fp = fetchGetURL(pattern, "");
isTMP = TRUE;
matchstream = -1;
if (fp == NULL)
errx(2, "Unable to open %s.", pattern);
} else if (pattern[0] == '/') {
fp = fopen(pattern, "r");
isTMP = TRUE;
matchstream = -1;
if (fp == NULL)
errx(2, "Unable to open %s.", pattern);
} else if (strcmp(pattern, "-") == 0) {
fp = stdin;
matchstream = -1;
} else {
ret = pattern_match(MATCH_GLOB, pattern, pkgname);
}
if (fp != NULL) {
size_t len;
char *line;
while ((line = fgetln(fp, &len)) != NULL) {
int match;
char *ch, ln[2048];
size_t lnlen;
if (len > 0 && line[len-1] == '\n')
len --;
lnlen = len;
if (lnlen > sizeof(ln)-1)
lnlen = sizeof(ln)-1;
memcpy(ln, line, lnlen);
ln[lnlen] = '\0';
if ((ch = strchr(ln, '|')) != NULL)
ch[0] = '\0';
if (matchstream > 0)
match = pattern_match(MATCH_GLOB, pattern, ln);
else
match = pattern_match(MATCH_GLOB, ln, pkgname);
if (match == 1) {
ret = 1;
printf("%.*s\n", (int)len, line);
}
}
if (isTMP)
fclose(fp);
}
return ret;
}
void
cleanup(int sig)
{
if (sig)
exit(1);
}