/* 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 "pkg_depends.h"
#include "libbb/libbb.h"
-static int isGenericFieldType(char * type, const char * line)
-{
- if(!strncmp(line, type, strlen(type)))
- return 1;
- return 0;
-}
-
-static char * parseGenericFieldType(char * type, const char * raw)
-{
- const char * field_value = raw + (strlen(type) + 1);
- return trim_alloc(field_value);
-}
+#include "file_util.h"
+#include "parse_util.h"
-static void parseStatus(pkg_t *pkg, const char * raw)
+static void parse_status(pkg_t * pkg, const char *sstr)
{
- char sw_str[64], sf_str[64], ss_str[64];
+ char sw_str[64], sf_str[64], ss_str[64];
- sscanf(raw, "Status: %s %s %s", sw_str, sf_str, ss_str);
- pkg->state_want = pkg_state_want_from_str(sw_str);
- pkg->state_flag = pkg_state_flag_from_str(sf_str);
- pkg->state_status = pkg_state_status_from_str(ss_str);
-}
+ if (sscanf(sstr, "Status: %63s %63s %63s", sw_str, sf_str, ss_str) != 3) {
+ opkg_msg(ERROR, "Failed to parse Status line for %s\n",
+ pkg->name);
+ return;
+ }
-static char ** parseDependsString(const char * raw, int * depends_count)
-{
- char ** depends = NULL;
- int line_count = 0;
- char buff[2048], * dest;
-
- while(raw && *raw && !isspace(*raw)) {
- raw++;
- }
-
- if(line_is_blank(raw)){
- *depends_count = line_count;
- return NULL;
- }
- while(raw && *raw){
- depends = xrealloc(depends, sizeof(char *) * (line_count + 1));
-
- while(isspace(*raw)) raw++;
-
- dest = buff;
- while((*raw != ',') && *raw)
- *dest++ = *raw++;
-
- *dest = '\0';
- depends[line_count] = trim_alloc(buff);
- if(depends[line_count] ==NULL)
- return NULL;
- line_count++;
- if(*raw == ',')
- raw++;
- }
- *depends_count = line_count;
- return depends;
+ pkg->state_want = pkg_state_want_from_str(sw_str);
+ pkg->state_flag = pkg_state_flag_from_str(sf_str);
+ pkg->state_status = pkg_state_status_from_str(ss_str);
}
-static void
-parseConffiles(pkg_t *pkg, const char *cstr)
+static void parse_conffiles(pkg_t * pkg, const char *cstr)
{
- char file_name[1024], md5sum[35];
+ conffile_list_t *cl;
+ 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;
}
- conffile_list_append(&pkg->conffiles, file_name, md5sum);
+ cl = pkg_get_ptr(pkg, PKG_CONFFILES);
+
+ if (cl)
+ conffile_list_append(cl, file_name, md5sum);
}
-int
-parseVersion(pkg_t *pkg, const char *vstr)
+int parse_version(pkg_t * pkg, const char *vstr)
{
- char *colon;
+ char *colon, *rev;
if (strncmp(vstr, "Version:", 8) == 0)
vstr += 8;
colon = strchr(vstr, ':');
if (colon) {
errno = 0;
- pkg->epoch = strtoul(vstr, NULL, 10);
+ pkg_set_int(pkg, 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->revision = strrchr(pkg->version,'-');
+ rev = strrchr(vstr, '-');
+
+ if (rev) {
+ *rev++ = '\0';
+ pkg_set_string(pkg, PKG_REVISION, rev);
+ }
- if (pkg->revision)
- *pkg->revision++ = '\0';
+ pkg_set_string(pkg, PKG_VERSION, vstr);
return 0;
}
-static int
-pkg_parse_line(pkg_t *pkg, const char *line, uint mask)
+static char *parse_architecture(pkg_t *pkg, const char *str)
{
+ const char *s = str;
+ const char *e;
+
+ while (isspace(*s))
+ s++;
+
+ e = s + strlen(s);
+
+ while (e > s && isspace(*e))
+ e--;
+
+ return pkg_set_architecture(pkg, s, e - s);
+}
+
+int pkg_parse_line(void *ptr, const char *line, uint mask)
+{
+ pkg_t *pkg = (pkg_t *) ptr;
+ abstract_pkg_t *ab_pkg = NULL;
+
/* these flags are a bit hackish... */
static int reading_conffiles = 0, reading_description = 0;
+ static char *description = NULL;
+ char *s;
+ 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 ) && isGenericFieldType("Architecture:", line))
- pkg->architecture = parseGenericFieldType("Architecture", line);
- else if((mask & PFM_AUTO_INSTALLED) && isGenericFieldType("Auto-Installed:", line)) {
- char *auto_installed_value;
- auto_installed_value = parseGenericFieldType("Auto-Installed:", line);
- if (strcmp(auto_installed_value, "yes") == 0) {
- pkg->auto_installed = 1;
+ if ((mask & PFM_ARCHITECTURE) && is_field("Architecture", line))
+ parse_architecture(pkg, line + strlen("Architecture") + 1);
+ 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;
+ free(tmp);
}
- free(auto_installed_value);
- }
- break;
+ break;
case 'C':
- if((mask & PFM_CONFFILES) && isGenericFieldType("Conffiles", line)){
- reading_conffiles = 1;
- reading_description = 0;
- goto dont_reset_flags;
- }
- else if((mask & PFM_CONFLICTS) && isGenericFieldType("Conflicts", line))
- pkg->conflicts_str = parseDependsString(line, &pkg->conflicts_count);
- break;
+ if ((mask & PFM_CONFFILES) && is_field("Conffiles", line)) {
+ reading_conffiles = 1;
+ reading_description = 0;
+ goto dont_reset_flags;
+ } else if ((mask & PFM_CONFLICTS)
+ && is_field("Conflicts", line))
+ parse_deplist(pkg, CONFLICTS, line + strlen("Conflicts") + 1);
+ break;
case 'D':
- if((mask & PFM_DESCRIPTION) && isGenericFieldType("Description", line)) {
- pkg->description = parseGenericFieldType("Description", line);
- reading_conffiles = 0;
- reading_description = 1;
- goto dont_reset_flags;
- }
- else if((mask & PFM_DEPENDS) && isGenericFieldType("Depends", line))
- pkg->depends_str = parseDependsString(line, &pkg->depends_count);
- break;
+ if ((mask & PFM_DESCRIPTION) && is_field("Description", line)) {
+ description = parse_simple("Description", line);
+ reading_conffiles = 0;
+ reading_description = 1;
+ goto dont_reset_flags;
+ } else if ((mask & PFM_DEPENDS) && is_field("Depends", line))
+ parse_deplist(pkg, DEPEND, line + strlen("Depends") + 1);
+ break;
case 'E':
- if((mask & PFM_ESSENTIAL) && isGenericFieldType("Essential:", line)) {
- char *essential_value;
- essential_value = parseGenericFieldType("Essential", line);
- if (strcmp(essential_value, "yes") == 0) {
- pkg->essential = 1;
+ if ((mask & PFM_ESSENTIAL) && is_field("Essential", line)) {
+ char *tmp = parse_simple("Essential", line);
+ if (strcmp(tmp, "yes") == 0)
+ pkg->essential = 1;
+ free(tmp);
}
- free(essential_value);
- }
- break;
+ break;
case 'F':
- if((mask & PFM_FILENAME) && isGenericFieldType("Filename:", line))
- pkg->filename = parseGenericFieldType("Filename", line);
- break;
+ if ((mask & PFM_FILENAME) && is_field("Filename", line))
+ pkg_set_string(pkg, PKG_FILENAME, line + strlen("Filename") + 1);
+ break;
case 'I':
- if((mask && PFM_INSTALLED_SIZE) && isGenericFieldType("Installed-Size:", line))
- pkg->installed_size = parseGenericFieldType("Installed-Size", line);
- else if((mask && PFM_INSTALLED_TIME) && isGenericFieldType("Installed-Time:", line)) {
- char *time_str = parseGenericFieldType("Installed-Time", line);
- pkg->installed_time = strtoul(time_str, NULL, 0);
- free (time_str);
- }
- break;
+ if ((mask & PFM_INSTALLED_SIZE)
+ && is_field("Installed-Size", line)) {
+ pkg_set_int(pkg, PKG_INSTALLED_SIZE, strtoul(line + strlen("Installed-Size") + 1, NULL, 0));
+ } else if ((mask & PFM_INSTALLED_TIME)
+ && is_field("Installed-Time", line)) {
+ pkg_set_int(pkg, PKG_INSTALLED_TIME, strtoul(line + strlen("Installed-Time") + 1, NULL, 0));
+ }
+ break;
case 'M':
- if(mask && PFM_MD5SUM) {
- if (isGenericFieldType("MD5sum:", line))
- pkg->md5sum = parseGenericFieldType("MD5sum", line);
- /* The old opkg wrote out status files with the wrong
- * case for MD5sum, let's parse it either way */
- else if(isGenericFieldType("MD5Sum:", line))
- pkg->md5sum = parseGenericFieldType("MD5Sum", line);
- } else if((mask & PFM_MAINTAINER) && isGenericFieldType("Maintainer", line))
- pkg->maintainer = parseGenericFieldType("Maintainer", line);
- break;
+ if ((mask & PFM_MD5SUM) && (is_field("MD5sum:", line) || is_field("MD5Sum:", line)))
+ pkg_set_md5(pkg, line + strlen("MD5sum") + 1);
+ else if ((mask & PFM_MAINTAINER)
+ && is_field("Maintainer", line))
+ pkg_set_string(pkg, PKG_MAINTAINER, line + strlen("Maintainer") + 1);
+ break;
case 'P':
- if((mask & PFM_PACKAGE) && isGenericFieldType("Package:", line))
- pkg->name = parseGenericFieldType("Package", line);
- else if((mask & PFM_PRIORITY) && isGenericFieldType("Priority:", line))
- pkg->priority = parseGenericFieldType("Priority", line);
- else if((mask & PFM_PROVIDES) && isGenericFieldType("Provides", line)){
- pkg->provides_str = parseDependsString(line, &pkg->provides_count);
- }
- else if((mask & PFM_PRE_DEPENDS) && isGenericFieldType("Pre-Depends", line))
- pkg->pre_depends_str = parseDependsString(line, &pkg->pre_depends_count);
- break;
+ if ((mask & PFM_PACKAGE) && is_field("Package", line))
+ pkg->name = parse_simple("Package", line);
+ else if ((mask & PFM_PRIORITY) && is_field("Priority", line))
+ pkg_set_string(pkg, PKG_PRIORITY, line + strlen("Priority") + 1);
+ else if ((mask & PFM_PROVIDES) && is_field("Provides", line))
+ parse_providelist(pkg, line + strlen("Provides") + 1);
+ else if ((mask & PFM_PRE_DEPENDS)
+ && is_field("Pre-Depends", line))
+ parse_deplist(pkg, PREDEPEND, line + strlen("Pre-Depends") + 1);
+ break;
case 'R':
- if((mask & PFM_RECOMMENDS) && isGenericFieldType("Recommends", line))
- pkg->recommends_str = parseDependsString(line, &pkg->recommends_count);
- else if((mask & PFM_REPLACES) && isGenericFieldType("Replaces", line))
- pkg->replaces_str = parseDependsString(line, &pkg->replaces_count);
-
- break;
+ if ((mask & PFM_RECOMMENDS) && is_field("Recommends", line))
+ parse_deplist(pkg, RECOMMEND, line + strlen("Recommends") + 1);
+ else if ((mask & PFM_REPLACES) && is_field("Replaces", line))
+ parse_replacelist(pkg, line + strlen("Replaces") + 1);
+ break;
case 'S':
- if((mask & PFM_SECTION) && isGenericFieldType("Section:", line))
- pkg->section = parseGenericFieldType("Section", line);
+ if ((mask & PFM_SECTION) && is_field("Section", line))
+ pkg_set_string(pkg, PKG_SECTION, line + strlen("Section") + 1);
#ifdef HAVE_SHA256
- else if((mask & PFM_SHA256SUM) && isGenericFieldType("SHA256sum:", line))
- pkg->sha256sum = parseGenericFieldType("SHA256sum", line);
+ else if ((mask & PFM_SHA256SUM) && is_field("SHA256sum", line))
+ pkg_set_sha256(pkg, line + strlen("SHA256sum") + 1);
#endif
- else if((mask & PFM_SIZE) && isGenericFieldType("Size:", line))
- pkg->size = parseGenericFieldType("Size", line);
- else if((mask & PFM_SOURCE) && isGenericFieldType("Source:", line))
- pkg->source = parseGenericFieldType("Source", line);
- else if((mask & PFM_STATUS) && isGenericFieldType("Status", line))
- parseStatus(pkg, line);
- else if((mask & PFM_SUGGESTS) && isGenericFieldType("Suggests", line))
- pkg->suggests_str = parseDependsString(line, &pkg->suggests_count);
- break;
+ else if ((mask & PFM_SIZE) && is_field("Size", line)) {
+ pkg_set_int(pkg, PKG_SIZE, strtoul(line + strlen("Size") + 1, NULL, 0));
+ } else if ((mask & PFM_SOURCE) && is_field("Source", line))
+ pkg_set_string(pkg, PKG_SOURCE, line + strlen("Source") + 1);
+ else if ((mask & PFM_STATUS) && is_field("Status", line))
+ parse_status(pkg, line);
+ else if ((mask & PFM_SUGGESTS) && is_field("Suggests", line))
+ parse_deplist(pkg, SUGGEST, line + strlen("Suggests") + 1);
+ break;
case 'T':
- if((mask & PFM_TAGS) && isGenericFieldType("Tags:", line))
- pkg->tags = parseGenericFieldType("Tags", line);
- break;
+ if ((mask & PFM_TAGS) && is_field("Tags", line))
+ pkg_set_string(pkg, PKG_TAGS, line + strlen("Tags") + 1);
+ break;
case 'V':
- if((mask & PFM_VERSION) && isGenericFieldType("Version", line))
- parseVersion(pkg, line);
- break;
+ if ((mask & PFM_VERSION) && is_field("Version", line))
+ parse_version(pkg, line);
+ break;
case ' ':
- if((mask & PFM_DESCRIPTION) && reading_description) {
- /* we already know it's not blank, so the rest of description */
- pkg->description = xrealloc(pkg->description,
- strlen(pkg->description)
- + 1 + strlen(line) + 1);
- strcat(pkg->description, "\n");
- strcat(pkg->description, (line));
- goto dont_reset_flags;
- }
- else if((mask && PFM_CONFFILES) && reading_conffiles) {
- parseConffiles(pkg, line);
- goto dont_reset_flags;
- }
- break;
-
- default:
- /* For package lists, signifies end of package. */
- if(line_is_blank(line)) {
- return 1;
- }
- }
-
- reading_description = 0;
- reading_conffiles = 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);
+ if ((mask & PFM_DESCRIPTION) && reading_description) {
+ if (isatty(1)) {
+ description = xrealloc(description,
+ strlen(description)
+ + 1 + strlen(line) +
+ 1);
+ strcat(description, "\n");
+ } else {
+ description = xrealloc(description,
+ strlen(description)
+ + 1 + strlen(line));
}
- break;
+ strcat(description, (line));
+ goto dont_reset_flags;
+ } else if ((mask & PFM_CONFFILES) && reading_conffiles) {
+ parse_conffiles(pkg, line);
+ goto dont_reset_flags;
}
- 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;
+ /* FALLTHROUGH */
+ default:
+ /* For package lists, signifies end of package. */
+ if (line_is_blank(line)) {
+ ret = 1;
+ break;
}
+ }
- *nl = '\0';
-
- lineno++;
-
- if (pkg_parse_line(pkg, *buf0, mask))
- break;
+ if (reading_description && description) {
+ pkg_set_string(pkg, PKG_DESCRIPTION, description);
+ free(description);
+ reading_description = 0;
+ description = NULL;
+ }
- buf = *buf0;
- buflen = buf0len;
- buf[0] = '\0';
- };
+ reading_conffiles = 0;
- if (pkg->name == NULL) {
- /* probably just a blank line */
- ret = EINVAL;
- }
+dont_reset_flags:
return ret;
}
-int
-pkg_parse_from_stream(pkg_t *pkg, FILE *fp, uint mask)
+int pkg_parse_from_stream(pkg_t * pkg, FILE * fp, uint mask)
{
int ret;
char *buf;
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 / oweals / opkg-lede.git / blobdiff