/* pkg_parse.c - the opkg package management system
+ Copyright (C) 2009 Ubiq Technologies <graham.gower@gmail.com>
+
Steven M. Ayer
-
Copyright (C) 2002 Compaq Computer Corporation
This program is free software; you can redistribute it and/or
General Public License for more details.
*/
-#include "includes.h"
-#include <errno.h>
+#include "config.h"
+
+#include <stdio.h>
#include <ctype.h>
-
+#include <unistd.h>
+
#include "pkg.h"
#include "opkg_utils.h"
#include "pkg_parse.h"
#include "libbb/libbb.h"
-static int
-is_field(char *type, const char *line)
-{
- if (!strncmp(line, type, strlen(type)))
- return 1;
- return 0;
-}
-
-static char *
-parse_simple(char *type, const char *line)
-{
- return trim_xstrdup(line + strlen(type) + 1);
-}
-
-/*
- * Parse a comma separated string into an array.
- */
-static char **
-parse_comma_separated(const char *raw, int *count)
-{
- char **depends = NULL;
- const char *start, *end;
- int line_count = 0;
-
- /* skip past the "Field:" marker */
- while (*raw && *raw != ':')
- raw++;
- raw++;
-
- if (line_is_blank(raw)) {
- *count = line_count;
- return NULL;
- }
-
- while (*raw) {
- depends = xrealloc(depends, sizeof(char *) * (line_count + 1));
-
- while (isspace(*raw))
- raw++;
-
- start = raw;
- while (*raw != ',' && *raw)
- raw++;
- end = raw;
-
- while (end > start && isspace(*end))
- end--;
-
- depends[line_count] = xstrndup(start, end-start);
-
- line_count++;
- if (*raw == ',')
- raw++;
- }
-
- *count = line_count;
- return depends;
-}
+#include "parse_util.h"
static void
parse_status(pkg_t *pkg, const char *sstr)
if (sscanf(sstr, "Status: %63s %63s %63s",
sw_str, sf_str, ss_str) != 3) {
- fprintf(stderr, "%s: failed to parse Conffiles line for %s\n",
- __FUNCTION__, pkg->name);
+ opkg_msg(ERROR, "Failed to parse Status line for %s\n",
+ pkg->name);
return;
}
static void
parse_conffiles(pkg_t *pkg, const char *cstr)
{
- char file_name[1024], md5sum[35];
+ char file_name[1024], md5sum[85];
- if (sscanf(cstr, "%1023s %34s", file_name, md5sum) != 2) {
- fprintf(stderr, "%s: failed to parse Conffiles line for %s\n",
- __FUNCTION__, pkg->name);
+ if (sscanf(cstr, "%1023s %84s", file_name, md5sum) != 2) {
+ opkg_msg(ERROR, "Failed to parse Conffiles line for %s\n",
+ pkg->name);
return;
}
errno = 0;
pkg->epoch = strtoul(vstr, NULL, 10);
if (errno) {
- fprintf(stderr, "%s: %s: invalid epoch: %s\n",
- __FUNCTION__, pkg->name, strerror(errno));
+ opkg_perror(ERROR, "%s: invalid epoch", pkg->name);
}
vstr = ++colon;
} else {
pkg->epoch= 0;
}
- pkg->version= xstrdup(vstr);
+ pkg->version = xstrdup(vstr);
pkg->revision = strrchr(pkg->version,'-');
if (pkg->revision)
}
static int
-pkg_parse_line(pkg_t *pkg, const char *line, uint mask)
+get_arch_priority(const char *arch)
+{
+ nv_pair_list_elt_t *l;
+
+ list_for_each_entry(l , &conf->arch_list.head, node) {
+ nv_pair_t *nv = (nv_pair_t *)l->data;
+ if (strcmp(nv->name, arch) == 0)
+ return strtol(nv->value, NULL, 0);
+ }
+ return 0;
+}
+
+int
+pkg_parse_line(void *ptr, const char *line, uint mask)
{
+ pkg_t *pkg = (pkg_t *) ptr;
+
/* these flags are a bit hackish... */
static int reading_conffiles = 0, reading_description = 0;
+ int ret = 0;
+
+ /* Exclude globally masked fields. */
+ mask |= conf->pfm;
+
+ /* Flip the semantics of the mask. */
+ mask ^= PFM_ALL;
switch (*line) {
case 'A':
- if ((mask & PFM_ARCHITECTURE ) && is_field("Architecture", line))
+ if ((mask & PFM_ARCHITECTURE ) && is_field("Architecture", line)) {
pkg->architecture = parse_simple("Architecture", line);
- else if ((mask & PFM_AUTO_INSTALLED) && is_field("Auto-Installed", line)) {
+ pkg->arch_priority = get_arch_priority(pkg->architecture);
+ } else if ((mask & PFM_AUTO_INSTALLED) && is_field("Auto-Installed", line)) {
char *tmp = parse_simple("Auto-Installed", line);
if (strcmp(tmp, "yes") == 0)
pkg->auto_installed = 1;
goto dont_reset_flags;
}
else if ((mask & PFM_CONFLICTS) && is_field("Conflicts", line))
- pkg->conflicts_str = parse_comma_separated(line, &pkg->conflicts_count);
+ pkg->conflicts_str = parse_list(line, &pkg->conflicts_count, ',', 0);
break;
case 'D':
reading_description = 1;
goto dont_reset_flags;
} else if ((mask & PFM_DEPENDS) && is_field("Depends", line))
- pkg->depends_str = parse_comma_separated(line, &pkg->depends_count);
+ pkg->depends_str = parse_list(line, &pkg->depends_count, ',', 0);
break;
case 'E':
break;
case 'I':
- if ((mask && PFM_INSTALLED_SIZE) && is_field("Installed-Size", line))
- pkg->installed_size = parse_simple("Installed-Size", line);
- else if ((mask && PFM_INSTALLED_TIME) && is_field("Installed-Time", line)) {
+ if ((mask & PFM_INSTALLED_SIZE) && is_field("Installed-Size", line)) {
+ char *tmp = parse_simple("Installed-Size", line);
+ pkg->installed_size = strtoul(tmp, NULL, 0);
+ free (tmp);
+ } else if ((mask & PFM_INSTALLED_TIME) && is_field("Installed-Time", line)) {
char *tmp = parse_simple("Installed-Time", line);
pkg->installed_time = strtoul(tmp, NULL, 0);
free (tmp);
- }
+ }
break;
case 'M':
- if (mask && PFM_MD5SUM) {
- if (is_field("MD5sum:", line))
- pkg->md5sum = parse_simple("MD5sum", line);
+ if ((mask & PFM_MD5SUM) && is_field("MD5sum:", line))
+ pkg->md5sum = parse_simple("MD5sum", line);
/* The old opkg wrote out status files with the wrong
* case for MD5sum, let's parse it either way */
- else if (is_field("MD5Sum:", line))
- pkg->md5sum = parse_simple("MD5Sum", line);
- } else if((mask & PFM_MAINTAINER) && is_field("Maintainer", line))
+ else if ((mask & PFM_MD5SUM) && is_field("MD5Sum:", line))
+ pkg->md5sum = parse_simple("MD5Sum", line);
+ else if((mask & PFM_MAINTAINER) && is_field("Maintainer", line))
pkg->maintainer = parse_simple("Maintainer", line);
break;
case 'P':
- if ((mask & PFM_PACKAGE) && is_field("Package", line))
+ if ((mask & PFM_PACKAGE) && is_field("Package", line))
pkg->name = parse_simple("Package", line);
else if ((mask & PFM_PRIORITY) && is_field("Priority", line))
pkg->priority = parse_simple("Priority", line);
else if ((mask & PFM_PROVIDES) && is_field("Provides", line))
- pkg->provides_str = parse_comma_separated(line, &pkg->provides_count);
+ pkg->provides_str = parse_list(line, &pkg->provides_count, ',', 0);
else if ((mask & PFM_PRE_DEPENDS) && is_field("Pre-Depends", line))
- pkg->pre_depends_str = parse_comma_separated(line, &pkg->pre_depends_count);
+ pkg->pre_depends_str = parse_list(line, &pkg->pre_depends_count, ',', 0);
break;
case 'R':
if ((mask & PFM_RECOMMENDS) && is_field("Recommends", line))
- pkg->recommends_str = parse_comma_separated(line, &pkg->recommends_count);
+ pkg->recommends_str = parse_list(line, &pkg->recommends_count, ',', 0);
else if ((mask & PFM_REPLACES) && is_field("Replaces", line))
- pkg->replaces_str = parse_comma_separated(line, &pkg->replaces_count);
+ pkg->replaces_str = parse_list(line, &pkg->replaces_count, ',', 0);
break;
else if ((mask & PFM_SHA256SUM) && is_field("SHA256sum", line))
pkg->sha256sum = parse_simple("SHA256sum", line);
#endif
- else if ((mask & PFM_SIZE) && is_field("Size", line))
- pkg->size = parse_simple("Size", line);
- else if ((mask & PFM_SOURCE) && is_field("Source", line))
+ else if ((mask & PFM_SIZE) && is_field("Size", line)) {
+ char *tmp = parse_simple("Size", line);
+ pkg->size = strtoul(tmp, NULL, 0);
+ free (tmp);
+ } else if ((mask & PFM_SOURCE) && is_field("Source", line))
pkg->source = parse_simple("Source", line);
else if ((mask & PFM_STATUS) && is_field("Status", line))
parse_status(pkg, line);
else if ((mask & PFM_SUGGESTS) && is_field("Suggests", line))
- pkg->suggests_str = parse_comma_separated(line, &pkg->suggests_count);
+ pkg->suggests_str = parse_list(line, &pkg->suggests_count, ',', 0);
break;
case 'T':
case ' ':
if ((mask & PFM_DESCRIPTION) && reading_description) {
- pkg->description = xrealloc(pkg->description,
- strlen(pkg->description)
- + 1 + strlen(line) + 1);
- strcat(pkg->description, "\n");
+ if (isatty(1)) {
+ pkg->description = xrealloc(pkg->description,
+ strlen(pkg->description)
+ + 1 + strlen(line) + 1);
+ strcat(pkg->description, "\n");
+ } else {
+ pkg->description = xrealloc(pkg->description,
+ strlen(pkg->description)
+ + 1 + strlen(line));
+ }
strcat(pkg->description, (line));
goto dont_reset_flags;
- } else if ((mask && PFM_CONFFILES) && reading_conffiles) {
+ } else if ((mask & PFM_CONFFILES) && reading_conffiles) {
parse_conffiles(pkg, line);
goto dont_reset_flags;
}
- break;
+ /* FALLTHROUGH */
default:
/* For package lists, signifies end of package. */
- if(line_is_blank(line))
- return 1;
+ if(line_is_blank(line)) {
+ ret = 1;
+ break;
+ }
}
reading_description = 0;
dont_reset_flags:
- return 0;
-}
-
-int
-pkg_parse_from_stream_nomalloc(pkg_t *pkg, FILE *fp, uint mask,
- char **buf0, size_t buf0len)
-{
- int ret, lineno;
- char *buf, *nl;
- size_t buflen;
-
- lineno = 1;
- ret = 0;
-
- buflen = buf0len;
- buf = *buf0;
- buf[0] = '\0';
-
- while (1) {
- if (fgets(buf, buflen, fp) == NULL) {
- if (ferror(fp)) {
- fprintf(stderr, "%s: fgets: %s\n",
- __FUNCTION__, strerror(errno));
- ret = -1;
- } else if (strlen(*buf0) == buflen-1) {
- fprintf(stderr, "%s: missing new line character"
- " at end of file!\n",
- __FUNCTION__);
- pkg_parse_line(pkg, *buf0, mask);
- }
- break;
- }
-
- nl = strchr(buf, '\n');
- if (nl == NULL) {
- if (strlen(buf) < buflen-1) {
- /*
- * Line could be exactly buflen-1 long and
- * missing a newline, but we won't know until
- * fgets fails to read more data.
- */
- fprintf(stderr, "%s: missing new line character"
- " at end of file!\n",
- __FUNCTION__);
- pkg_parse_line(pkg, *buf0, mask);
- break;
- }
- if (buf0len >= EXCESSIVE_LINE_LEN) {
- fprintf(stderr, "%s: excessively long line at "
- "%d. Corrupt file?\n",
- __FUNCTION__, lineno);
- ret = -1;
- break;
- }
-
- /*
- * Realloc and move buf past the data already read.
- * |<--------------- buf0len ----------------->|
- * | |<------- buflen ---->|
- * |---------------------|---------------------|
- * buf0 buf
- */
- buflen = buf0len;
- buf0len *= 2;
- *buf0 = xrealloc(*buf0, buf0len);
- buf = *buf0 + buflen -1;
-
- continue;
- }
-
- *nl = '\0';
-
- lineno++;
-
- if (pkg_parse_line(pkg, *buf0, mask))
- break;
-
- buf = *buf0;
- buflen = buf0len;
- buf[0] = '\0';
- };
-
- if (pkg->name == NULL) {
- /* probably just a blank line */
- ret = EINVAL;
- }
-
return ret;
}
const size_t len = 4096;
buf = xmalloc(len);
- ret = pkg_parse_from_stream_nomalloc(pkg, fp, mask, &buf, len);
+ ret = parse_from_stream_nomalloc(pkg_parse_line, pkg, fp, mask, &buf, len);
free(buf);
+ if (pkg->name == NULL) {
+ /* probably just a blank line */
+ ret = 1;
+ }
+
return ret;
}
projects / project / opkg-lede.git / blobdiff