Modify eu-strip option to perform strip in post script of rpm package & add option...
[platform/upstream/rpm.git] / lib / rpmlead.c
index 1c82f02..8e56bfc 100644 (file)
@@ -4,18 +4,20 @@
 
 #include "system.h"
 
+#include <errno.h>
 #include <netinet/in.h>
 
 #include <rpm/rpmlib.h>                /* rpmGetOs/ArchInfo() */
 #include <rpm/rpmlog.h>
+#include <rpm/rpmstring.h>
 
 #include "lib/signature.h"
+#include "lib/header_internal.h"       /* Freadall() */
 #include "lib/rpmlead.h"
-#include "lib/legacy.h"
 
 #include "debug.h"
 
-static unsigned char lead_magic[] = {
+static unsigned char const lead_magic[] = {
     RPMLEAD_MAGIC0, RPMLEAD_MAGIC1, RPMLEAD_MAGIC2, RPMLEAD_MAGIC3
 };
 
@@ -37,39 +39,37 @@ struct rpmlead_s {
     char reserved[16];      /*!< Pad to 96 bytes -- 8 byte aligned! */
 };
 
-rpmlead rpmLeadNew(void)
+rpmlead rpmLeadFromHeader(Header h)
 {
-    int archnum, osnum;
-    rpmlead l = calloc(1, sizeof(*l));
+    rpmlead l = NULL;
 
-    rpmGetArchInfo(NULL, &archnum);
-    rpmGetOsInfo(NULL, &osnum);
+    if (h != NULL) {
+       int archnum, osnum;
+       char * nevr = headerGetAsString(h, RPMTAG_NEVR);
 
-    l->major = (_noDirTokens ? 4: 3);
-    l->minor = 0;
-    l->archnum = archnum;
-    l->osnum = osnum;
-    l->signature_type = RPMSIGTYPE_HEADERSIG;
-    return l;
-}
+       /* FIXME: should grab these from header instead (RhBug:717898) */
+       rpmGetArchInfo(NULL, &archnum);
+       rpmGetOsInfo(NULL, &osnum);
 
-rpmlead rpmLeadFromHeader(Header h)
-{
-    char * nevr;
-    assert(h != NULL);
-    rpmlead l = rpmLeadNew();
+       l = xcalloc(1, sizeof(*l));
+       l->major = 3;
+       l->minor = 0;
+       l->archnum = archnum;
+       l->osnum = osnum;
+       l->signature_type = RPMSIGTYPE_HEADERSIG;
+       l->type = (headerIsSource(h) ? 1 : 0);
 
-    l->type = (headerIsSource(h) ? 1 : 0);
-    nevr = headerGetNEVR(h, NULL);
-    strncpy(l->name, nevr, sizeof(l->name));
-    free(nevr);
+       memcpy(l->magic, lead_magic, sizeof(l->magic));
+       rstrlcpy(l->name, nevr, sizeof(l->name));
+
+       free(nevr);
+    }
 
     return l;
 }
 
 rpmlead rpmLeadFree(rpmlead lead)
 {
-    assert(lead != NULL);
     free(lead);
     return NULL;
 }
@@ -77,57 +77,76 @@ rpmlead rpmLeadFree(rpmlead lead)
 /* The lead needs to be 8 byte aligned */
 rpmRC rpmLeadWrite(FD_t fd, rpmlead lead)
 {
-    struct rpmlead_s l;
-    assert(lead != NULL);
-
-    memcpy(&l, lead, sizeof(l));
-    
-    memcpy(&l.magic, lead_magic, sizeof(l.magic));
-    l.type = htons(lead->type);
-    l.archnum = htons(lead->archnum);
-    l.osnum = htons(lead->osnum);
-    l.signature_type = htons(lead->signature_type);
-       
-    if (Fwrite(&l, 1, sizeof(l), fd) != sizeof(l))
-       return RPMRC_FAIL;
+    rpmRC rc = RPMRC_FAIL;
 
-    return RPMRC_OK;
+    if (lead != NULL) {
+       struct rpmlead_s l;
+       memcpy(&l, lead, sizeof(l));
+       
+       l.type = htons(lead->type);
+       l.archnum = htons(lead->archnum);
+       l.osnum = htons(lead->osnum);
+       l.signature_type = htons(lead->signature_type);
+           
+       if (Fwrite(&l, 1, sizeof(l), fd) == sizeof(l))
+           rc = RPMRC_OK;
+    }
+    return rc;
 }
 
-rpmRC rpmLeadCheck(rpmlead lead, const char* fn)
+static rpmRC rpmLeadCheck(rpmlead lead, char **msg)
 {
     if (memcmp(lead->magic, lead_magic, sizeof(lead_magic))) {
-       rpmlog(RPMLOG_ERR, _("%s: not an rpm package\n"), fn);
+       *msg = xstrdup(_("not an rpm package"));
        return RPMRC_NOTFOUND;
     }
     if (lead->signature_type != RPMSIGTYPE_HEADERSIG) {
-       rpmlog(RPMLOG_ERR, _("%s: illegal signature type\n"), fn);
+       *msg = xstrdup(_("illegal signature type"));
        return RPMRC_FAIL;
     }
     if (lead->major < 3 || lead->major > 4) {
-       rpmlog(RPMLOG_ERR, _("%s: unsupported RPM package (version %d)\n"), fn, lead->major);
+       *msg = xstrdup(_("unsupported RPM package version"));
        return RPMRC_FAIL;
     }
     return RPMRC_OK;
 }
 
-rpmRC rpmLeadRead(FD_t fd, rpmlead lead)
+rpmRC rpmLeadRead(FD_t fd, rpmlead *lead, int *type, char **emsg)
 {
-    assert(lead != NULL);
-    memset(lead, 0, sizeof(*lead));
-    /* FIX: remove timed read */
-    if (timedRead(fd, (char *)lead, sizeof(*lead)) != sizeof(*lead)) {
+    rpmRC rc = RPMRC_OK;
+    struct rpmlead_s l;
+    char *err = NULL;
+
+    memset(&l, 0, sizeof(l));
+    if (Freadall(fd, &l, sizeof(l)) != sizeof(l)) {
        if (Ferror(fd)) {
-           rpmlog(RPMLOG_ERR, _("read failed: %s (%d)\n"),
-                       Fstrerror(fd), errno);
-           return RPMRC_FAIL;
+           rasprintf(&err, _("read failed: %s (%d)\n"), Fstrerror(fd), errno);
+           rc = RPMRC_FAIL;
+       } else {
+           err = xstrdup(_("not an rpm package\n"));
+           rc = RPMRC_NOTFOUND;
        }
-       return RPMRC_NOTFOUND;
+    } else {
+       l.type = ntohs(l.type);
+       l.archnum = ntohs(l.archnum);
+       l.osnum = ntohs(l.osnum);
+       l.signature_type = ntohs(l.signature_type);
+       rc = rpmLeadCheck(&l, &err);
     }
-    lead->type = ntohs(lead->type);
-    lead->archnum = ntohs(lead->archnum);
-    lead->osnum = ntohs(lead->osnum);
-    lead->signature_type = ntohs(lead->signature_type);
 
-    return RPMRC_OK;
+    if (rc == RPMRC_OK) {
+       if (lead != NULL) {
+           *lead = xmalloc(sizeof(l));
+           memcpy(*lead, &l, sizeof(l));
+       }
+       if (type != NULL)
+           *type = l.type;
+    } else {
+       if (emsg != NULL)
+           *emsg = err;
+       else
+           free(err);
+    }
+
+    return rc;
 }